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android / platform / packages / apps / Calendar / 328417f / . / src / com / android / calendar / DayView.java
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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.calendar;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.app.AlertDialog;
import android.app.Service;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.content.DialogInterface;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.database.Cursor;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Align;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Handler;
import android.provider.CalendarContract.Attendees;
import android.provider.CalendarContract.Calendars;
import android.provider.CalendarContract.Events;
import android.text.Layout.Alignment;
import android.text.SpannableStringBuilder;
import android.text.StaticLayout;
import android.text.TextPaint;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.text.format.DateUtils;
import android.text.format.Time;
import android.text.style.StyleSpan;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.GestureDetector;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.ScaleGestureDetector;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.view.animation.Animation;
import android.view.animation.Interpolator;
import android.view.animation.TranslateAnimation;
import android.widget.EdgeEffect;
import android.widget.ImageView;
import android.widget.OverScroller;
import android.widget.PopupWindow;
import android.widget.TextView;
import android.widget.ViewSwitcher;
import com.android.calendar.CalendarController.EventType;
import com.android.calendar.CalendarController.ViewType;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Formatter;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* View for multi-day view. So far only 1 and 7 day have been tested.
*/
public class DayView extends View implements View.OnCreateContextMenuListener,
ScaleGestureDetector.OnScaleGestureListener, View.OnClickListener, View.OnLongClickListener
{
private static String TAG = "DayView";
private static boolean DEBUG = false;
private static boolean DEBUG_SCALING = false;
private static final String PERIOD_SPACE = ". ";
private static float mScale = 0; // Used for supporting different screen densities
private static final long INVALID_EVENT_ID = -1; //This is used for remembering a null event
// Duration of the allday expansion
private static final long ANIMATION_DURATION = 400;
// duration of the more allday event text fade
private static final long ANIMATION_SECONDARY_DURATION = 200;
// duration of the scroll to go to a specified time
private static final int GOTO_SCROLL_DURATION = 200;
// duration for events' cross-fade animation
private static final int EVENTS_CROSS_FADE_DURATION = 400;
// duration to show the event clicked
private static final int CLICK_DISPLAY_DURATION = 50;
private static final int MENU_AGENDA = 2;
private static final int MENU_DAY = 3;
private static final int MENU_EVENT_VIEW = 5;
private static final int MENU_EVENT_CREATE = 6;
private static final int MENU_EVENT_EDIT = 7;
private static final int MENU_EVENT_DELETE = 8;
private static int DEFAULT_CELL_HEIGHT = 64;
private static int MAX_CELL_HEIGHT = 150;
private static int MIN_Y_SPAN = 100;
private boolean mOnFlingCalled;
private boolean mStartingScroll = false;
protected boolean mPaused = true;
private Handler mHandler;
/**
* ID of the last event which was displayed with the toast popup.
*
* This is used to prevent popping up multiple quick views for the same event, especially
* during calendar syncs. This becomes valid when an event is selected, either by default
* on starting calendar or by scrolling to an event. It becomes invalid when the user
* explicitly scrolls to an empty time slot, changes views, or deletes the event.
*/
private long mLastPopupEventID;
protected Context mContext;
private static final String[] CALENDARS_PROJECTION = new String[] {
Calendars._ID, // 0
Calendars.CALENDAR_ACCESS_LEVEL, // 1
Calendars.OWNER_ACCOUNT, // 2
};
private static final int CALENDARS_INDEX_ACCESS_LEVEL = 1;
private static final int CALENDARS_INDEX_OWNER_ACCOUNT = 2;
private static final String CALENDARS_WHERE = Calendars._ID + "=%d";
private static final int FROM_NONE = 0;
private static final int FROM_ABOVE = 1;
private static final int FROM_BELOW = 2;
private static final int FROM_LEFT = 4;
private static final int FROM_RIGHT = 8;
private static final int ACCESS_LEVEL_NONE = 0;
private static final int ACCESS_LEVEL_DELETE = 1;
private static final int ACCESS_LEVEL_EDIT = 2;
private static int mHorizontalSnapBackThreshold = 128;
private final ContinueScroll mContinueScroll = new ContinueScroll();
// Make this visible within the package for more informative debugging
Time mBaseDate;
private Time mCurrentTime;
//Update the current time line every five minutes if the window is left open that long
private static final int UPDATE_CURRENT_TIME_DELAY = 300000;
private final UpdateCurrentTime mUpdateCurrentTime = new UpdateCurrentTime();
private int mTodayJulianDay;
private final Typeface mBold = Typeface.DEFAULT_BOLD;
private int mFirstJulianDay;
private int mLoadedFirstJulianDay = -1;
private int mLastJulianDay;
private int mMonthLength;
private int mFirstVisibleDate;
private int mFirstVisibleDayOfWeek;
private int[] mEarliestStartHour; // indexed by the week day offset
private boolean[] mHasAllDayEvent; // indexed by the week day offset
private String mEventCountTemplate;
private final CharSequence[] mLongPressItems;
private String mLongPressTitle;
private Event mClickedEvent; // The event the user clicked on
private Event mSavedClickedEvent;
private static int mOnDownDelay;
private int mClickedYLocation;
private long mDownTouchTime;
private int mEventsAlpha = 255;
private ObjectAnimator mEventsCrossFadeAnimation;
protected static StringBuilder mStringBuilder = new StringBuilder(50);
// TODO recreate formatter when locale changes
protected static Formatter mFormatter = new Formatter(mStringBuilder, Locale.getDefault());
private final Runnable mTZUpdater = new Runnable() {
@Override
public void run() {
String tz = Utils.getTimeZone(mContext, this);
mBaseDate.timezone = tz;
mBaseDate.normalize(true);
mCurrentTime.switchTimezone(tz);
invalidate();
}
};
// Sets the "clicked" color from the clicked event
private final Runnable mSetClick = new Runnable() {
@Override
public void run() {
mClickedEvent = mSavedClickedEvent;
mSavedClickedEvent = null;
DayView.this.invalidate();
}
};
// Clears the "clicked" color from the clicked event and launch the event
private final Runnable mClearClick = new Runnable() {
@Override
public void run() {
if (mClickedEvent != null) {
mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT, mClickedEvent.id,
mClickedEvent.startMillis, mClickedEvent.endMillis,
DayView.this.getWidth() / 2, mClickedYLocation,
getSelectedTimeInMillis());
}
mClickedEvent = null;
DayView.this.invalidate();
}
};
private final TodayAnimatorListener mTodayAnimatorListener = new TodayAnimatorListener();
class TodayAnimatorListener extends AnimatorListenerAdapter {
private volatile Animator mAnimator = null;
private volatile boolean mFadingIn = false;
@Override
public void onAnimationEnd(Animator animation) {
synchronized (this) {
if (mAnimator != animation) {
animation.removeAllListeners();
animation.cancel();
return;
}
if (mFadingIn) {
if (mTodayAnimator != null) {
mTodayAnimator.removeAllListeners();
mTodayAnimator.cancel();
}
mTodayAnimator = ObjectAnimator
.ofInt(DayView.this, "animateTodayAlpha", 255, 0);
mAnimator = mTodayAnimator;
mFadingIn = false;
mTodayAnimator.addListener(this);
mTodayAnimator.setDuration(600);
mTodayAnimator.start();
} else {
mAnimateToday = false;
mAnimateTodayAlpha = 0;
mAnimator.removeAllListeners();
mAnimator = null;
mTodayAnimator = null;
invalidate();
}
}
}
public void setAnimator(Animator animation) {
mAnimator = animation;
}
public void setFadingIn(boolean fadingIn) {
mFadingIn = fadingIn;
}
}
AnimatorListenerAdapter mAnimatorListener = new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
mScrolling = true;
}
@Override
public void onAnimationCancel(Animator animation) {
mScrolling = false;
}
@Override
public void onAnimationEnd(Animator animation) {
mScrolling = false;
resetSelectedHour();
invalidate();
}
};
/**
* This variable helps to avoid unnecessarily reloading events by keeping
* track of the start millis parameter used for the most recent loading
* of events. If the next reload matches this, then the events are not
* reloaded. To force a reload, set this to zero (this is set to zero
* in the method clearCachedEvents()).
*/
private long mLastReloadMillis;
private ArrayList<Event> mEvents = new ArrayList<Event>();
private ArrayList<Event> mAllDayEvents = new ArrayList<Event>();
private StaticLayout[] mLayouts = null;
private StaticLayout[] mAllDayLayouts = null;
private int mSelectionDay; // Julian day
private int mSelectionHour;
boolean mSelectionAllday;
// Current selection info for accessibility
private int mSelectionDayForAccessibility; // Julian day
private int mSelectionHourForAccessibility;
private Event mSelectedEventForAccessibility;
// Last selection info for accessibility
private int mLastSelectionDayForAccessibility;
private int mLastSelectionHourForAccessibility;
private Event mLastSelectedEventForAccessibility;
/** Width of a day or non-conflicting event */
private int mCellWidth;
// Pre-allocate these objects and re-use them
private final Rect mRect = new Rect();
private final Rect mDestRect = new Rect();
private final Rect mSelectionRect = new Rect();
// This encloses the more allDay events icon
private final Rect mExpandAllDayRect = new Rect();
// TODO Clean up paint usage
private final Paint mPaint = new Paint();
private final Paint mEventTextPaint = new Paint();
private final Paint mSelectionPaint = new Paint();
private float[] mLines;
private int mFirstDayOfWeek; // First day of the week
private PopupWindow mPopup;
private View mPopupView;
// The number of milliseconds to show the popup window
private static final int POPUP_DISMISS_DELAY = 3000;
private final DismissPopup mDismissPopup = new DismissPopup();
private boolean mRemeasure = true;
private final EventLoader mEventLoader;
protected final EventGeometry mEventGeometry;
private static float GRID_LINE_LEFT_MARGIN = 0;
private static final float GRID_LINE_INNER_WIDTH = 1;
private static final int DAY_GAP = 1;
private static final int HOUR_GAP = 1;
// This is the standard height of an allday event with no restrictions
private static int SINGLE_ALLDAY_HEIGHT = 34;
/**
* This is the minimum desired height of a allday event.
* When unexpanded, allday events will use this height.
* When expanded allDay events will attempt to grow to fit all
* events at this height.
*/
private static float MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT = 28.0F; // in pixels
/**
* This is how big the unexpanded allday height is allowed to be.
* It will get adjusted based on screen size
*/
private static int MAX_UNEXPANDED_ALLDAY_HEIGHT =
(int) (MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT * 4);
/**
* This is the minimum size reserved for displaying regular events.
* The expanded allDay region can't expand into this.
*/
private static int MIN_HOURS_HEIGHT = 180;
private static int ALLDAY_TOP_MARGIN = 1;
// The largest a single allDay event will become.
private static int MAX_HEIGHT_OF_ONE_ALLDAY_EVENT = 34;
private static int HOURS_TOP_MARGIN = 2;
private static int HOURS_LEFT_MARGIN = 2;
private static int HOURS_RIGHT_MARGIN = 4;
private static int HOURS_MARGIN = HOURS_LEFT_MARGIN + HOURS_RIGHT_MARGIN;
private static int NEW_EVENT_MARGIN = 4;
private static int NEW_EVENT_WIDTH = 2;
private static int NEW_EVENT_MAX_LENGTH = 16;
private static int CURRENT_TIME_LINE_SIDE_BUFFER = 4;
private static int CURRENT_TIME_LINE_TOP_OFFSET = 2;
/* package */ static final int MINUTES_PER_HOUR = 60;
/* package */ static final int MINUTES_PER_DAY = MINUTES_PER_HOUR * 24;
/* package */ static final int MILLIS_PER_MINUTE = 60 * 1000;
/* package */ static final int MILLIS_PER_HOUR = (3600 * 1000);
/* package */ static final int MILLIS_PER_DAY = MILLIS_PER_HOUR * 24;
// More events text will transition between invisible and this alpha
private static final int MORE_EVENTS_MAX_ALPHA = 0x4C;
private static int DAY_HEADER_ONE_DAY_LEFT_MARGIN = 0;
private static int DAY_HEADER_ONE_DAY_RIGHT_MARGIN = 5;
private static int DAY_HEADER_ONE_DAY_BOTTOM_MARGIN = 6;
private static int DAY_HEADER_RIGHT_MARGIN = 4;
private static int DAY_HEADER_BOTTOM_MARGIN = 3;
private static float DAY_HEADER_FONT_SIZE = 14;
private static float DATE_HEADER_FONT_SIZE = 32;
private static float NORMAL_FONT_SIZE = 12;
private static float EVENT_TEXT_FONT_SIZE = 12;
private static float HOURS_TEXT_SIZE = 12;
private static float AMPM_TEXT_SIZE = 9;
private static int MIN_HOURS_WIDTH = 96;
private static int MIN_CELL_WIDTH_FOR_TEXT = 20;
private static final int MAX_EVENT_TEXT_LEN = 500;
// smallest height to draw an event with
private static float MIN_EVENT_HEIGHT = 24.0F; // in pixels
private static int CALENDAR_COLOR_SQUARE_SIZE = 10;
private static int EVENT_RECT_TOP_MARGIN = 1;
private static int EVENT_RECT_BOTTOM_MARGIN = 0;
private static int EVENT_RECT_LEFT_MARGIN = 1;
private static int EVENT_RECT_RIGHT_MARGIN = 0;
private static int EVENT_RECT_STROKE_WIDTH = 2;
private static int EVENT_TEXT_TOP_MARGIN = 2;
private static int EVENT_TEXT_BOTTOM_MARGIN = 2;
private static int EVENT_TEXT_LEFT_MARGIN = 6;
private static int EVENT_TEXT_RIGHT_MARGIN = 6;
private static int ALL_DAY_EVENT_RECT_BOTTOM_MARGIN = 1;
private static int EVENT_ALL_DAY_TEXT_TOP_MARGIN = EVENT_TEXT_TOP_MARGIN;
private static int EVENT_ALL_DAY_TEXT_BOTTOM_MARGIN = EVENT_TEXT_BOTTOM_MARGIN;
private static int EVENT_ALL_DAY_TEXT_LEFT_MARGIN = EVENT_TEXT_LEFT_MARGIN;
private static int EVENT_ALL_DAY_TEXT_RIGHT_MARGIN = EVENT_TEXT_RIGHT_MARGIN;
// margins and sizing for the expand allday icon
private static int EXPAND_ALL_DAY_BOTTOM_MARGIN = 10;
// sizing for "box +n" in allDay events
private static int EVENT_SQUARE_WIDTH = 10;
private static int EVENT_LINE_PADDING = 4;
private static int NEW_EVENT_HINT_FONT_SIZE = 12;
private static int mPressedColor;
private static int mClickedColor;
private static int mEventTextColor;
private static int mMoreEventsTextColor;
private static int mWeek_saturdayColor;
private static int mWeek_sundayColor;
private static int mCalendarDateBannerTextColor;
private static int mCalendarAmPmLabel;
private static int mCalendarGridAreaSelected;
private static int mCalendarGridLineInnerHorizontalColor;
private static int mCalendarGridLineInnerVerticalColor;
private static int mFutureBgColor;
private static int mFutureBgColorRes;
private static int mBgColor;
private static int mNewEventHintColor;
private static int mCalendarHourLabelColor;
private static int mMoreAlldayEventsTextAlpha = MORE_EVENTS_MAX_ALPHA;
private float mAnimationDistance = 0;
private int mViewStartX;
private int mViewStartY;
private int mMaxViewStartY;
private int mViewHeight;
private int mViewWidth;
private int mGridAreaHeight = -1;
private static int mCellHeight = 0; // shared among all DayViews
private static int mMinCellHeight = 32;
private int mScrollStartY;
private int mPreviousDirection;
private static int mScaledPagingTouchSlop = 0;
/**
* Vertical distance or span between the two touch points at the start of a
* scaling gesture
*/
private float mStartingSpanY = 0;
/** Height of 1 hour in pixels at the start of a scaling gesture */
private int mCellHeightBeforeScaleGesture;
/** The hour at the center two touch points */
private float mGestureCenterHour = 0;
private boolean mRecalCenterHour = false;
/**
* Flag to decide whether to handle the up event. Cases where up events
* should be ignored are 1) right after a scale gesture and 2) finger was
* down before app launch
*/
private boolean mHandleActionUp = true;
private int mHoursTextHeight;
/**
* The height of the area used for allday events
*/
private int mAlldayHeight;
/**
* The height of the allday event area used during animation
*/
private int mAnimateDayHeight = 0;
/**
* The height of an individual allday event during animation
*/
private int mAnimateDayEventHeight = (int) MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT;
/**
* Whether to use the expand or collapse icon.
*/
private static boolean mUseExpandIcon = true;
/**
* The height of the day names/numbers
*/
private static int DAY_HEADER_HEIGHT = 45;
/**
* The height of the day names/numbers for multi-day views
*/
private static int MULTI_DAY_HEADER_HEIGHT = DAY_HEADER_HEIGHT;
/**
* The height of the day names/numbers when viewing a single day
*/
private static int ONE_DAY_HEADER_HEIGHT = DAY_HEADER_HEIGHT;
/**
* Max of all day events in a given day in this view.
*/
private int mMaxAlldayEvents;
/**
* A count of the number of allday events that were not drawn for each day
*/
private int[] mSkippedAlldayEvents;
/**
* The number of allDay events at which point we start hiding allDay events.
*/
private int mMaxUnexpandedAlldayEventCount = 4;
/**
* Whether or not to expand the allDay area to fill the screen
*/
private static boolean mShowAllAllDayEvents = false;
protected int mNumDays = 7;
private int mNumHours = 10;
/** Width of the time line (list of hours) to the left. */
private int mHoursWidth;
private int mDateStrWidth;
/** Top of the scrollable region i.e. below date labels and all day events */
private int mFirstCell;
/** First fully visibile hour */
private int mFirstHour = -1;
/** Distance between the mFirstCell and the top of first fully visible hour. */
private int mFirstHourOffset;
private String[] mHourStrs;
private String[] mDayStrs;
private String[] mDayStrs2Letter;
private boolean mIs24HourFormat;
private final ArrayList<Event> mSelectedEvents = new ArrayList<Event>();
private boolean mComputeSelectedEvents;
private boolean mUpdateToast;
private Event mSelectedEvent;
private Event mPrevSelectedEvent;
private final Rect mPrevBox = new Rect();
protected final Resources mResources;
protected final Drawable mCurrentTimeLine;
protected final Drawable mCurrentTimeAnimateLine;
protected final Drawable mTodayHeaderDrawable;
protected final Drawable mExpandAlldayDrawable;
protected final Drawable mCollapseAlldayDrawable;
protected Drawable mAcceptedOrTentativeEventBoxDrawable;
private String mAmString;
private String mPmString;
private final DeleteEventHelper mDeleteEventHelper;
private static int sCounter = 0;
private final ContextMenuHandler mContextMenuHandler = new ContextMenuHandler();
ScaleGestureDetector mScaleGestureDetector;
/**
* The initial state of the touch mode when we enter this view.
*/
private static final int TOUCH_MODE_INITIAL_STATE = 0;
/**
* Indicates we just received the touch event and we are waiting to see if
* it is a tap or a scroll gesture.
*/
private static final int TOUCH_MODE_DOWN = 1;
/**
* Indicates the touch gesture is a vertical scroll
*/
private static final int TOUCH_MODE_VSCROLL = 0x20;
/**
* Indicates the touch gesture is a horizontal scroll
*/
private static final int TOUCH_MODE_HSCROLL = 0x40;
private int mTouchMode = TOUCH_MODE_INITIAL_STATE;
/**
* The selection modes are HIDDEN, PRESSED, SELECTED, and LONGPRESS.
*/
private static final int SELECTION_HIDDEN = 0;
private static final int SELECTION_PRESSED = 1; // D-pad down but not up yet
private static final int SELECTION_SELECTED = 2;
private static final int SELECTION_LONGPRESS = 3;
private int mSelectionMode = SELECTION_HIDDEN;
private boolean mScrolling = false;
// Pixels scrolled
private float mInitialScrollX;
private float mInitialScrollY;
private boolean mAnimateToday = false;
private int mAnimateTodayAlpha = 0;
// Animates the height of the allday region
ObjectAnimator mAlldayAnimator;
// Animates the height of events in the allday region
ObjectAnimator mAlldayEventAnimator;
// Animates the transparency of the more events text
ObjectAnimator mMoreAlldayEventsAnimator;
// Animates the current time marker when Today is pressed
ObjectAnimator mTodayAnimator;
// whether or not an event is stopping because it was cancelled
private boolean mCancellingAnimations = false;
// tracks whether a touch originated in the allday area
private boolean mTouchStartedInAlldayArea = false;
private final CalendarController mController;
private final ViewSwitcher mViewSwitcher;
private final GestureDetector mGestureDetector;
private final OverScroller mScroller;
private final EdgeEffect mEdgeEffectTop;
private final EdgeEffect mEdgeEffectBottom;
private boolean mCallEdgeEffectOnAbsorb;
private final int OVERFLING_DISTANCE;
private float mLastVelocity;
private final ScrollInterpolator mHScrollInterpolator;
private AccessibilityManager mAccessibilityMgr = null;
private boolean mIsAccessibilityEnabled = false;
private boolean mTouchExplorationEnabled = false;
private final String mCreateNewEventString;
private final String mNewEventHintString;
public DayView(Context context, CalendarController controller,
ViewSwitcher viewSwitcher, EventLoader eventLoader, int numDays) {
super(context);
mContext = context;
initAccessibilityVariables();
mResources = context.getResources();
mCreateNewEventString = mResources.getString(R.string.event_create);
mNewEventHintString = mResources.getString(R.string.day_view_new_event_hint);
mNumDays = numDays;
DATE_HEADER_FONT_SIZE = (int) mResources.getDimension(R.dimen.date_header_text_size);
DAY_HEADER_FONT_SIZE = (int) mResources.getDimension(R.dimen.day_label_text_size);
ONE_DAY_HEADER_HEIGHT = (int) mResources.getDimension(R.dimen.one_day_header_height);
DAY_HEADER_BOTTOM_MARGIN = (int) mResources.getDimension(R.dimen.day_header_bottom_margin);
EXPAND_ALL_DAY_BOTTOM_MARGIN = (int) mResources.getDimension(R.dimen.all_day_bottom_margin);
HOURS_TEXT_SIZE = (int) mResources.getDimension(R.dimen.hours_text_size);
AMPM_TEXT_SIZE = (int) mResources.getDimension(R.dimen.ampm_text_size);
MIN_HOURS_WIDTH = (int) mResources.getDimension(R.dimen.min_hours_width);
HOURS_LEFT_MARGIN = (int) mResources.getDimension(R.dimen.hours_left_margin);
HOURS_RIGHT_MARGIN = (int) mResources.getDimension(R.dimen.hours_right_margin);
MULTI_DAY_HEADER_HEIGHT = (int) mResources.getDimension(R.dimen.day_header_height);
int eventTextSizeId;
if (mNumDays == 1) {
eventTextSizeId = R.dimen.day_view_event_text_size;
} else {
eventTextSizeId = R.dimen.week_view_event_text_size;
}
EVENT_TEXT_FONT_SIZE = (int) mResources.getDimension(eventTextSizeId);
NEW_EVENT_HINT_FONT_SIZE = (int) mResources.getDimension(R.dimen.new_event_hint_text_size);
MIN_EVENT_HEIGHT = mResources.getDimension(R.dimen.event_min_height);
MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT = MIN_EVENT_HEIGHT;
EVENT_TEXT_TOP_MARGIN = (int) mResources.getDimension(R.dimen.event_text_vertical_margin);
EVENT_TEXT_BOTTOM_MARGIN = EVENT_TEXT_TOP_MARGIN;
EVENT_ALL_DAY_TEXT_TOP_MARGIN = EVENT_TEXT_TOP_MARGIN;
EVENT_ALL_DAY_TEXT_BOTTOM_MARGIN = EVENT_TEXT_TOP_MARGIN;
EVENT_TEXT_LEFT_MARGIN = (int) mResources
.getDimension(R.dimen.event_text_horizontal_margin);
EVENT_TEXT_RIGHT_MARGIN = EVENT_TEXT_LEFT_MARGIN;
EVENT_ALL_DAY_TEXT_LEFT_MARGIN = EVENT_TEXT_LEFT_MARGIN;
EVENT_ALL_DAY_TEXT_RIGHT_MARGIN = EVENT_TEXT_LEFT_MARGIN;
if (mScale == 0) {
mScale = mResources.getDisplayMetrics().density;
if (mScale != 1) {
SINGLE_ALLDAY_HEIGHT *= mScale;
ALLDAY_TOP_MARGIN *= mScale;
MAX_HEIGHT_OF_ONE_ALLDAY_EVENT *= mScale;
NORMAL_FONT_SIZE *= mScale;
GRID_LINE_LEFT_MARGIN *= mScale;
HOURS_TOP_MARGIN *= mScale;
MIN_CELL_WIDTH_FOR_TEXT *= mScale;
MAX_UNEXPANDED_ALLDAY_HEIGHT *= mScale;
mAnimateDayEventHeight = (int) MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT;
CURRENT_TIME_LINE_SIDE_BUFFER *= mScale;
CURRENT_TIME_LINE_TOP_OFFSET *= mScale;
MIN_Y_SPAN *= mScale;
MAX_CELL_HEIGHT *= mScale;
DEFAULT_CELL_HEIGHT *= mScale;
DAY_HEADER_HEIGHT *= mScale;
DAY_HEADER_RIGHT_MARGIN *= mScale;
DAY_HEADER_ONE_DAY_LEFT_MARGIN *= mScale;
DAY_HEADER_ONE_DAY_RIGHT_MARGIN *= mScale;
DAY_HEADER_ONE_DAY_BOTTOM_MARGIN *= mScale;
CALENDAR_COLOR_SQUARE_SIZE *= mScale;
EVENT_RECT_TOP_MARGIN *= mScale;
EVENT_RECT_BOTTOM_MARGIN *= mScale;
ALL_DAY_EVENT_RECT_BOTTOM_MARGIN *= mScale;
EVENT_RECT_LEFT_MARGIN *= mScale;
EVENT_RECT_RIGHT_MARGIN *= mScale;
EVENT_RECT_STROKE_WIDTH *= mScale;
EVENT_SQUARE_WIDTH *= mScale;
EVENT_LINE_PADDING *= mScale;
NEW_EVENT_MARGIN *= mScale;
NEW_EVENT_WIDTH *= mScale;
NEW_EVENT_MAX_LENGTH *= mScale;
}
}
HOURS_MARGIN = HOURS_LEFT_MARGIN + HOURS_RIGHT_MARGIN;
DAY_HEADER_HEIGHT = mNumDays == 1 ? ONE_DAY_HEADER_HEIGHT : MULTI_DAY_HEADER_HEIGHT;
mCurrentTimeLine = mResources.getDrawable(R.drawable.timeline_indicator_holo_light);
mCurrentTimeAnimateLine = mResources
.getDrawable(R.drawable.timeline_indicator_activated_holo_light);
mTodayHeaderDrawable = mResources.getDrawable(R.drawable.today_blue_week_holo_light);
mExpandAlldayDrawable = mResources.getDrawable(R.drawable.ic_expand_holo_light);
mCollapseAlldayDrawable = mResources.getDrawable(R.drawable.ic_collapse_holo_light);
mNewEventHintColor = mResources.getColor(R.color.new_event_hint_text_color);
mAcceptedOrTentativeEventBoxDrawable = mResources
.getDrawable(R.drawable.panel_month_event_holo_light);
mEventLoader = eventLoader;
mEventGeometry = new EventGeometry();
mEventGeometry.setMinEventHeight(MIN_EVENT_HEIGHT);
mEventGeometry.setHourGap(HOUR_GAP);
mEventGeometry.setCellMargin(DAY_GAP);
mLongPressItems = new CharSequence[] {
mResources.getString(R.string.new_event_dialog_option)
};
mLongPressTitle = mResources.getString(R.string.new_event_dialog_label);
mDeleteEventHelper = new DeleteEventHelper(context, null, false /* don't exit when done */);
mLastPopupEventID = INVALID_EVENT_ID;
mController = controller;
mViewSwitcher = viewSwitcher;
mGestureDetector = new GestureDetector(context, new CalendarGestureListener());
mScaleGestureDetector = new ScaleGestureDetector(getContext(), this);
if (mCellHeight == 0) {
mCellHeight = Utils.getSharedPreference(mContext,
GeneralPreferences.KEY_DEFAULT_CELL_HEIGHT, DEFAULT_CELL_HEIGHT);
}
mScroller = new OverScroller(context);
mHScrollInterpolator = new ScrollInterpolator();
mEdgeEffectTop = new EdgeEffect(context);
mEdgeEffectBottom = new EdgeEffect(context);
ViewConfiguration vc = ViewConfiguration.get(context);
mScaledPagingTouchSlop = vc.getScaledPagingTouchSlop();
mOnDownDelay = ViewConfiguration.getTapTimeout();
OVERFLING_DISTANCE = vc.getScaledOverflingDistance();
init(context);
}
@Override
protected void onAttachedToWindow() {
if (mHandler == null) {
mHandler = getHandler();
mHandler.post(mUpdateCurrentTime);
}
}
private void init(Context context) {
setFocusable(true);
// Allow focus in touch mode so that we can do keyboard shortcuts
// even after we've entered touch mode.
setFocusableInTouchMode(true);
setClickable(true);
setOnCreateContextMenuListener(this);
mFirstDayOfWeek = Utils.getFirstDayOfWeek(context);
mCurrentTime = new Time(Utils.getTimeZone(context, mTZUpdater));
long currentTime = System.currentTimeMillis();
mCurrentTime.set(currentTime);
mTodayJulianDay = Time.getJulianDay(currentTime, mCurrentTime.gmtoff);
mWeek_saturdayColor = mResources.getColor(R.color.week_saturday);
mWeek_sundayColor = mResources.getColor(R.color.week_sunday);
mCalendarDateBannerTextColor = mResources.getColor(R.color.calendar_date_banner_text_color);
mFutureBgColorRes = mResources.getColor(R.color.calendar_future_bg_color);
mBgColor = mResources.getColor(R.color.calendar_hour_background);
mCalendarAmPmLabel = mResources.getColor(R.color.calendar_ampm_label);
mCalendarGridAreaSelected = mResources.getColor(R.color.calendar_grid_area_selected);
mCalendarGridLineInnerHorizontalColor = mResources
.getColor(R.color.calendar_grid_line_inner_horizontal_color);
mCalendarGridLineInnerVerticalColor = mResources
.getColor(R.color.calendar_grid_line_inner_vertical_color);
mCalendarHourLabelColor = mResources.getColor(R.color.calendar_hour_label);
mPressedColor = mResources.getColor(R.color.pressed);
mClickedColor = mResources.getColor(R.color.day_event_clicked_background_color);
mEventTextColor = mResources.getColor(R.color.calendar_event_text_color);
mMoreEventsTextColor = mResources.getColor(R.color.month_event_other_color);
mEventTextPaint.setTextSize(EVENT_TEXT_FONT_SIZE);
mEventTextPaint.setTextAlign(Paint.Align.LEFT);
mEventTextPaint.setAntiAlias(true);
int gridLineColor = mResources.getColor(R.color.calendar_grid_line_highlight_color);
Paint p = mSelectionPaint;
p.setColor(gridLineColor);
p.setStyle(Style.FILL);
p.setAntiAlias(false);
p = mPaint;
p.setAntiAlias(true);
// Allocate space for 2 weeks worth of weekday names so that we can
// easily start the week display at any week day.
mDayStrs = new String[14];
// Also create an array of 2-letter abbreviations.
mDayStrs2Letter = new String[14];
for (int i = Calendar.SUNDAY; i <= Calendar.SATURDAY; i++) {
int index = i - Calendar.SUNDAY;
// e.g. Tue for Tuesday
mDayStrs[index] = DateUtils.getDayOfWeekString(i, DateUtils.LENGTH_MEDIUM)
.toUpperCase();
mDayStrs[index + 7] = mDayStrs[index];
// e.g. Tu for Tuesday
mDayStrs2Letter[index] = DateUtils.getDayOfWeekString(i, DateUtils.LENGTH_SHORT)
.toUpperCase();
// If we don't have 2-letter day strings, fall back to 1-letter.
if (mDayStrs2Letter[index].equals(mDayStrs[index])) {
mDayStrs2Letter[index] = DateUtils.getDayOfWeekString(i, DateUtils.LENGTH_SHORTEST);
}
mDayStrs2Letter[index + 7] = mDayStrs2Letter[index];
}
// Figure out how much space we need for the 3-letter abbrev names
// in the worst case.
p.setTextSize(DATE_HEADER_FONT_SIZE);
p.setTypeface(mBold);
String[] dateStrs = {" 28", " 30"};
mDateStrWidth = computeMaxStringWidth(0, dateStrs, p);
p.setTextSize(DAY_HEADER_FONT_SIZE);
mDateStrWidth += computeMaxStringWidth(0, mDayStrs, p);
p.setTextSize(HOURS_TEXT_SIZE);
p.setTypeface(null);
handleOnResume();
mAmString = DateUtils.getAMPMString(Calendar.AM).toUpperCase();
mPmString = DateUtils.getAMPMString(Calendar.PM).toUpperCase();
String[] ampm = {mAmString, mPmString};
p.setTextSize(AMPM_TEXT_SIZE);
mHoursWidth = Math.max(HOURS_MARGIN, computeMaxStringWidth(mHoursWidth, ampm, p)
+ HOURS_RIGHT_MARGIN);
mHoursWidth = Math.max(MIN_HOURS_WIDTH, mHoursWidth);
LayoutInflater inflater;
inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mPopupView = inflater.inflate(R.layout.bubble_event, null);
mPopupView.setLayoutParams(new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.WRAP_CONTENT));
mPopup = new PopupWindow(context);
mPopup.setContentView(mPopupView);
Resources.Theme dialogTheme = getResources().newTheme();
dialogTheme.applyStyle(android.R.style.Theme_Dialog, true);
TypedArray ta = dialogTheme.obtainStyledAttributes(new int[] {
android.R.attr.windowBackground });
mPopup.setBackgroundDrawable(ta.getDrawable(0));
ta.recycle();
// Enable touching the popup window
mPopupView.setOnClickListener(this);
// Catch long clicks for creating a new event
setOnLongClickListener(this);
mBaseDate = new Time(Utils.getTimeZone(context, mTZUpdater));
long millis = System.currentTimeMillis();
mBaseDate.set(millis);
mEarliestStartHour = new int[mNumDays];
mHasAllDayEvent = new boolean[mNumDays];
// mLines is the array of points used with Canvas.drawLines() in
// drawGridBackground() and drawAllDayEvents(). Its size depends
// on the max number of lines that can ever be drawn by any single
// drawLines() call in either of those methods.
final int maxGridLines = (24 + 1) // max horizontal lines we might draw
+ (mNumDays + 1); // max vertical lines we might draw
mLines = new float[maxGridLines * 4];
}
/**
* This is called when the popup window is pressed.
*/
public void onClick(View v) {
if (v == mPopupView) {
// Pretend it was a trackball click because that will always
// jump to the "View event" screen.
switchViews(true /* trackball */);
}
}
public void handleOnResume() {
initAccessibilityVariables();
if(Utils.getSharedPreference(mContext, OtherPreferences.KEY_OTHER_1, false)) {
mFutureBgColor = 0;
} else {
mFutureBgColor = mFutureBgColorRes;
}
mIs24HourFormat = DateFormat.is24HourFormat(mContext);
mHourStrs = mIs24HourFormat ? CalendarData.s24Hours : CalendarData.s12HoursNoAmPm;
mFirstDayOfWeek = Utils.getFirstDayOfWeek(mContext);
mLastSelectionDayForAccessibility = 0;
mLastSelectionHourForAccessibility = 0;
mLastSelectedEventForAccessibility = null;
mSelectionMode = SELECTION_HIDDEN;
}
private void initAccessibilityVariables() {
mAccessibilityMgr = (AccessibilityManager) mContext
.getSystemService(Service.ACCESSIBILITY_SERVICE);
mIsAccessibilityEnabled = mAccessibilityMgr != null && mAccessibilityMgr.isEnabled();
mTouchExplorationEnabled = isTouchExplorationEnabled();
}
/**
* Returns the start of the selected time in milliseconds since the epoch.
*
* @return selected time in UTC milliseconds since the epoch.
*/
long getSelectedTimeInMillis() {
Time time = new Time(mBaseDate);
time.setJulianDay(mSelectionDay);
time.hour = mSelectionHour;
// We ignore the "isDst" field because we want normalize() to figure
// out the correct DST value and not adjust the selected time based
// on the current setting of DST.
return time.normalize(true /* ignore isDst */);
}
Time getSelectedTime() {
Time time = new Time(mBaseDate);
time.setJulianDay(mSelectionDay);
time.hour = mSelectionHour;
// We ignore the "isDst" field because we want normalize() to figure
// out the correct DST value and not adjust the selected time based
// on the current setting of DST.
time.normalize(true /* ignore isDst */);
return time;
}
Time getSelectedTimeForAccessibility() {
Time time = new Time(mBaseDate);
time.setJulianDay(mSelectionDayForAccessibility);
time.hour = mSelectionHourForAccessibility;
// We ignore the "isDst" field because we want normalize() to figure
// out the correct DST value and not adjust the selected time based
// on the current setting of DST.
time.normalize(true /* ignore isDst */);
return time;
}
/**
* Returns the start of the selected time in minutes since midnight,
* local time. The derived class must ensure that this is consistent
* with the return value from getSelectedTimeInMillis().
*/
int getSelectedMinutesSinceMidnight() {
return mSelectionHour * MINUTES_PER_HOUR;
}
int getFirstVisibleHour() {
return mFirstHour;
}
void setFirstVisibleHour(int firstHour) {
mFirstHour = firstHour;
mFirstHourOffset = 0;
}
public void setSelected(Time time, boolean ignoreTime, boolean animateToday) {
mBaseDate.set(time);
setSelectedHour(mBaseDate.hour);
setSelectedEvent(null);
mPrevSelectedEvent = null;
long millis = mBaseDate.toMillis(false /* use isDst */);
setSelectedDay(Time.getJulianDay(millis, mBaseDate.gmtoff));
mSelectedEvents.clear();
mComputeSelectedEvents = true;
int gotoY = Integer.MIN_VALUE;
if (!ignoreTime && mGridAreaHeight != -1) {
int lastHour = 0;
if (mBaseDate.hour < mFirstHour) {
// Above visible region
gotoY = mBaseDate.hour * (mCellHeight + HOUR_GAP);
} else {
lastHour = (mGridAreaHeight - mFirstHourOffset) / (mCellHeight + HOUR_GAP)
+ mFirstHour;
if (mBaseDate.hour >= lastHour) {
// Below visible region
// target hour + 1 (to give it room to see the event) -
// grid height (to get the y of the top of the visible
// region)
gotoY = (int) ((mBaseDate.hour + 1 + mBaseDate.minute / 60.0f)
* (mCellHeight + HOUR_GAP) - mGridAreaHeight);
}
}
if (DEBUG) {
Log.e(TAG, "Go " + gotoY + " 1st " + mFirstHour + ":" + mFirstHourOffset + "CH "
+ (mCellHeight + HOUR_GAP) + " lh " + lastHour + " gh " + mGridAreaHeight
+ " ymax " + mMaxViewStartY);
}
if (gotoY > mMaxViewStartY) {
gotoY = mMaxViewStartY;
} else if (gotoY < 0 && gotoY != Integer.MIN_VALUE) {
gotoY = 0;
}
}
recalc();
mRemeasure = true;
invalidate();
boolean delayAnimateToday = false;
if (gotoY != Integer.MIN_VALUE) {
ValueAnimator scrollAnim = ObjectAnimator.ofInt(this, "viewStartY", mViewStartY, gotoY);
scrollAnim.setDuration(GOTO_SCROLL_DURATION);
scrollAnim.setInterpolator(new AccelerateDecelerateInterpolator());
scrollAnim.addListener(mAnimatorListener);
scrollAnim.start();
delayAnimateToday = true;
}
if (animateToday) {
synchronized (mTodayAnimatorListener) {
if (mTodayAnimator != null) {
mTodayAnimator.removeAllListeners();
mTodayAnimator.cancel();
}
mTodayAnimator = ObjectAnimator.ofInt(this, "animateTodayAlpha",
mAnimateTodayAlpha, 255);
mAnimateToday = true;
mTodayAnimatorListener.setFadingIn(true);
mTodayAnimatorListener.setAnimator(mTodayAnimator);
mTodayAnimator.addListener(mTodayAnimatorListener);
mTodayAnimator.setDuration(150);
if (delayAnimateToday) {
mTodayAnimator.setStartDelay(GOTO_SCROLL_DURATION);
}
mTodayAnimator.start();
}
}
sendAccessibilityEventAsNeeded(false);
}
// Called from animation framework via reflection. Do not remove
public void setViewStartY(int viewStartY) {
if (viewStartY > mMaxViewStartY) {
viewStartY = mMaxViewStartY;
}
mViewStartY = viewStartY;
computeFirstHour();
invalidate();
}
public void setAnimateTodayAlpha(int todayAlpha) {
mAnimateTodayAlpha = todayAlpha;
invalidate();
}
public Time getSelectedDay() {
Time time = new Time(mBaseDate);
time.setJulianDay(mSelectionDay);
time.hour = mSelectionHour;
// We ignore the "isDst" field because we want normalize() to figure
// out the correct DST value and not adjust the selected time based
// on the current setting of DST.
time.normalize(true /* ignore isDst */);
return time;
}
public void updateTitle() {
Time start = new Time(mBaseDate);
start.normalize(true);
Time end = new Time(start);
end.monthDay += mNumDays - 1;
// Move it forward one minute so the formatter doesn't lose a day
end.minute += 1;
end.normalize(true);
long formatFlags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR;
if (mNumDays != 1) {
// Don't show day of the month if for multi-day view
formatFlags |= DateUtils.FORMAT_NO_MONTH_DAY;
// Abbreviate the month if showing multiple months
if (start.month != end.month) {
formatFlags |= DateUtils.FORMAT_ABBREV_MONTH;
}
}
mController.sendEvent(this, EventType.UPDATE_TITLE, start, end, null, -1, ViewType.CURRENT,
formatFlags, null, null);
}
/**
* return a negative number if "time" is comes before the visible time
* range, a positive number if "time" is after the visible time range, and 0
* if it is in the visible time range.
*/
public int compareToVisibleTimeRange(Time time) {
int savedHour = mBaseDate.hour;
int savedMinute = mBaseDate.minute;
int savedSec = mBaseDate.second;
mBaseDate.hour = 0;
mBaseDate.minute = 0;
mBaseDate.second = 0;
if (DEBUG) {
Log.d(TAG, "Begin " + mBaseDate.toString());
Log.d(TAG, "Diff " + time.toString());
}
// Compare beginning of range
int diff = Time.compare(time, mBaseDate);
if (diff > 0) {
// Compare end of range
mBaseDate.monthDay += mNumDays;
mBaseDate.normalize(true);
diff = Time.compare(time, mBaseDate);
if (DEBUG) Log.d(TAG, "End " + mBaseDate.toString());
mBaseDate.monthDay -= mNumDays;
mBaseDate.normalize(true);
if (diff < 0) {
// in visible time
diff = 0;
} else if (diff == 0) {
// Midnight of following day
diff = 1;
}
}
if (DEBUG) Log.d(TAG, "Diff: " + diff);
mBaseDate.hour = savedHour;
mBaseDate.minute = savedMinute;
mBaseDate.second = savedSec;
return diff;
}
private void recalc() {
// Set the base date to the beginning of the week if we are displaying
// 7 days at a time.
if (mNumDays == 7) {
adjustToBeginningOfWeek(mBaseDate);
}
final long start = mBaseDate.toMillis(false /* use isDst */);
mFirstJulianDay = Time.getJulianDay(start, mBaseDate.gmtoff);
mLastJulianDay = mFirstJulianDay + mNumDays - 1;
mMonthLength = mBaseDate.getActualMaximum(Time.MONTH_DAY);
mFirstVisibleDate = mBaseDate.monthDay;
mFirstVisibleDayOfWeek = mBaseDate.weekDay;
}
private void adjustToBeginningOfWeek(Time time) {
int dayOfWeek = time.weekDay;
int diff = dayOfWeek - mFirstDayOfWeek;
if (diff != 0) {
if (diff < 0) {
diff += 7;
}
time.monthDay -= diff;
time.normalize(true /* ignore isDst */);
}
}
@Override
protected void onSizeChanged(int width, int height, int oldw, int oldh) {
mViewWidth = width;
mViewHeight = height;
mEdgeEffectTop.setSize(mViewWidth, mViewHeight);
mEdgeEffectBottom.setSize(mViewWidth, mViewHeight);
int gridAreaWidth = width - mHoursWidth;
mCellWidth = (gridAreaWidth - (mNumDays * DAY_GAP)) / mNumDays;
// This would be about 1 day worth in a 7 day view
mHorizontalSnapBackThreshold = width / 7;
Paint p = new Paint();
p.setTextSize(HOURS_TEXT_SIZE);
mHoursTextHeight = (int) Math.abs(p.ascent());
remeasure(width, height);
}
/**
* Measures the space needed for various parts of the view after
* loading new events. This can change if there are all-day events.
*/
private void remeasure(int width, int height) {
// Shrink to fit available space but make sure we can display at least two events
MAX_UNEXPANDED_ALLDAY_HEIGHT = (int) (MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT * 4);
MAX_UNEXPANDED_ALLDAY_HEIGHT = Math.min(MAX_UNEXPANDED_ALLDAY_HEIGHT, height / 6);
MAX_UNEXPANDED_ALLDAY_HEIGHT = Math.max(MAX_UNEXPANDED_ALLDAY_HEIGHT,
(int) MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT * 2);
mMaxUnexpandedAlldayEventCount =
(int) (MAX_UNEXPANDED_ALLDAY_HEIGHT / MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT);
// First, clear the array of earliest start times, and the array
// indicating presence of an all-day event.
for (int day = 0; day < mNumDays; day++) {
mEarliestStartHour[day] = 25; // some big number
mHasAllDayEvent[day] = false;
}
int maxAllDayEvents = mMaxAlldayEvents;
// The min is where 24 hours cover the entire visible area
mMinCellHeight = Math.max((height - DAY_HEADER_HEIGHT) / 24, (int) MIN_EVENT_HEIGHT);
if (mCellHeight < mMinCellHeight) {
mCellHeight = mMinCellHeight;
}
// Calculate mAllDayHeight
mFirstCell = DAY_HEADER_HEIGHT;
int allDayHeight = 0;
if (maxAllDayEvents > 0) {
int maxAllAllDayHeight = height - DAY_HEADER_HEIGHT - MIN_HOURS_HEIGHT;
// If there is at most one all-day event per day, then use less
// space (but more than the space for a single event).
if (maxAllDayEvents == 1) {
allDayHeight = SINGLE_ALLDAY_HEIGHT;
} else if (maxAllDayEvents <= mMaxUnexpandedAlldayEventCount){
// Allow the all-day area to grow in height depending on the
// number of all-day events we need to show, up to a limit.
allDayHeight = maxAllDayEvents * MAX_HEIGHT_OF_ONE_ALLDAY_EVENT;
if (allDayHeight > MAX_UNEXPANDED_ALLDAY_HEIGHT) {
allDayHeight = MAX_UNEXPANDED_ALLDAY_HEIGHT;
}
} else {
// if we have more than the magic number, check if we're animating
// and if not adjust the sizes appropriately
if (mAnimateDayHeight != 0) {
// Don't shrink the space past the final allDay space. The animation
// continues to hide the last event so the more events text can
// fade in.
allDayHeight = Math.max(mAnimateDayHeight, MAX_UNEXPANDED_ALLDAY_HEIGHT);
} else {
// Try to fit all the events in
allDayHeight = (int) (maxAllDayEvents * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT);
// But clip the area depending on which mode we're in
if (!mShowAllAllDayEvents && allDayHeight > MAX_UNEXPANDED_ALLDAY_HEIGHT) {
allDayHeight = (int) (mMaxUnexpandedAlldayEventCount *
MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT);
} else if (allDayHeight > maxAllAllDayHeight) {
allDayHeight = maxAllAllDayHeight;
}
}
}
mFirstCell = DAY_HEADER_HEIGHT + allDayHeight + ALLDAY_TOP_MARGIN;
} else {
mSelectionAllday = false;
}
mAlldayHeight = allDayHeight;
mGridAreaHeight = height - mFirstCell;
// Set up the expand icon position
int allDayIconWidth = mExpandAlldayDrawable.getIntrinsicWidth();
mExpandAllDayRect.left = Math.max((mHoursWidth - allDayIconWidth) / 2,
EVENT_ALL_DAY_TEXT_LEFT_MARGIN);
mExpandAllDayRect.right = Math.min(mExpandAllDayRect.left + allDayIconWidth, mHoursWidth
- EVENT_ALL_DAY_TEXT_RIGHT_MARGIN);
mExpandAllDayRect.bottom = mFirstCell - EXPAND_ALL_DAY_BOTTOM_MARGIN;
mExpandAllDayRect.top = mExpandAllDayRect.bottom
- mExpandAlldayDrawable.getIntrinsicHeight();
mNumHours = mGridAreaHeight / (mCellHeight + HOUR_GAP);
mEventGeometry.setHourHeight(mCellHeight);
final long minimumDurationMillis = (long)
(MIN_EVENT_HEIGHT * DateUtils.MINUTE_IN_MILLIS / (mCellHeight / 60.0f));
Event.computePositions(mEvents, minimumDurationMillis);
// Compute the top of our reachable view
mMaxViewStartY = HOUR_GAP + 24 * (mCellHeight + HOUR_GAP) - mGridAreaHeight;
if (DEBUG) {
Log.e(TAG, "mViewStartY: " + mViewStartY);
Log.e(TAG, "mMaxViewStartY: " + mMaxViewStartY);
}
if (mViewStartY > mMaxViewStartY) {
mViewStartY = mMaxViewStartY;
computeFirstHour();
}
if (mFirstHour == -1) {
initFirstHour();
mFirstHourOffset = 0;
}
// When we change the base date, the number of all-day events may
// change and that changes the cell height. When we switch dates,
// we use the mFirstHourOffset from the previous view, but that may
// be too large for the new view if the cell height is smaller.
if (mFirstHourOffset >= mCellHeight + HOUR_GAP) {
mFirstHourOffset = mCellHeight + HOUR_GAP - 1;
}
mViewStartY = mFirstHour * (mCellHeight + HOUR_GAP) - mFirstHourOffset;
final int eventAreaWidth = mNumDays * (mCellWidth + DAY_GAP);
//When we get new events we don't want to dismiss the popup unless the event changes
if (mSelectedEvent != null && mLastPopupEventID != mSelectedEvent.id) {
mPopup.dismiss();
}
mPopup.setWidth(eventAreaWidth - 20);
mPopup.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
}
/**
* Initialize the state for another view. The given view is one that has
* its own bitmap and will use an animation to replace the current view.
* The current view and new view are either both Week views or both Day
* views. They differ in their base date.
*
* @param view the view to initialize.
*/
private void initView(DayView view) {
view.setSelectedHour(mSelectionHour);
view.mSelectedEvents.clear();
view.mComputeSelectedEvents = true;
view.mFirstHour = mFirstHour;
view.mFirstHourOffset = mFirstHourOffset;
view.remeasure(getWidth(), getHeight());
view.initAllDayHeights();
view.setSelectedEvent(null);
view.mPrevSelectedEvent = null;
view.mFirstDayOfWeek = mFirstDayOfWeek;
if (view.mEvents.size() > 0) {
view.mSelectionAllday = mSelectionAllday;
} else {
view.mSelectionAllday = false;
}
// Redraw the screen so that the selection box will be redrawn. We may
// have scrolled to a different part of the day in some other view
// so the selection box in this view may no longer be visible.
view.recalc();
}
/**
* Switch to another view based on what was selected (an event or a free
* slot) and how it was selected (by touch or by trackball).
*
* @param trackBallSelection true if the selection was made using the
* trackball.
*/
private void switchViews(boolean trackBallSelection) {
Event selectedEvent = mSelectedEvent;
mPopup.dismiss();
mLastPopupEventID = INVALID_EVENT_ID;
if (mNumDays > 1) {
// This is the Week view.
// With touch, we always switch to Day/Agenda View
// With track ball, if we selected a free slot, then create an event.
// If we selected a specific event, switch to EventInfo view.
if (trackBallSelection) {
if (selectedEvent == null) {
// Switch to the EditEvent view
long startMillis = getSelectedTimeInMillis();
long endMillis = startMillis + DateUtils.HOUR_IN_MILLIS;
long extraLong = 0;
if (mSelectionAllday) {
extraLong = CalendarController.EXTRA_CREATE_ALL_DAY;
}
mController.sendEventRelatedEventWithExtra(this, EventType.CREATE_EVENT, -1,
startMillis, endMillis, -1, -1, extraLong, -1);
} else {
if (mIsAccessibilityEnabled) {
mAccessibilityMgr.interrupt();
}
// Switch to the EventInfo view
mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT, selectedEvent.id,
selectedEvent.startMillis, selectedEvent.endMillis, 0, 0,
getSelectedTimeInMillis());
}
} else {
// This was a touch selection. If the touch selected a single
// unambiguous event, then view that event. Otherwise go to
// Day/Agenda view.
if (mSelectedEvents.size() == 1) {
if (mIsAccessibilityEnabled) {
mAccessibilityMgr.interrupt();
}
mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT, selectedEvent.id,
selectedEvent.startMillis, selectedEvent.endMillis, 0, 0,
getSelectedTimeInMillis());
}
}
} else {
// This is the Day view.
// If we selected a free slot, then create an event.
// If we selected an event, then go to the EventInfo view.
if (selectedEvent == null) {
// Switch to the EditEvent view
long startMillis = getSelectedTimeInMillis();
long endMillis = startMillis + DateUtils.HOUR_IN_MILLIS;
long extraLong = 0;
if (mSelectionAllday) {
extraLong = CalendarController.EXTRA_CREATE_ALL_DAY;
}
mController.sendEventRelatedEventWithExtra(this, EventType.CREATE_EVENT, -1,
startMillis, endMillis, -1, -1, extraLong, -1);
} else {
if (mIsAccessibilityEnabled) {
mAccessibilityMgr.interrupt();
}
mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT, selectedEvent.id,
selectedEvent.startMillis, selectedEvent.endMillis, 0, 0,
getSelectedTimeInMillis());
}
}
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
mScrolling = false;
long duration = event.getEventTime() - event.getDownTime();
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_CENTER:
if (mSelectionMode == SELECTION_HIDDEN) {
// Don't do anything unless the selection is visible.
break;
}
if (mSelectionMode == SELECTION_PRESSED) {
// This was the first press when there was nothing selected.
// Change the selection from the "pressed" state to the
// the "selected" state. We treat short-press and
// long-press the same here because nothing was selected.
mSelectionMode = SELECTION_SELECTED;
invalidate();
break;
}
// Check the duration to determine if this was a short press
if (duration < ViewConfiguration.getLongPressTimeout()) {
switchViews(true /* trackball */);
} else {
mSelectionMode = SELECTION_LONGPRESS;
invalidate();
performLongClick();
}
break;
// case KeyEvent.KEYCODE_BACK:
// if (event.isTracking() && !event.isCanceled()) {
// mPopup.dismiss();
// mContext.finish();
// return true;
// }
// break;
}
return super.onKeyUp(keyCode, event);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (mSelectionMode == SELECTION_HIDDEN) {
if (keyCode == KeyEvent.KEYCODE_ENTER || keyCode == KeyEvent.KEYCODE_DPAD_RIGHT
|| keyCode == KeyEvent.KEYCODE_DPAD_LEFT || keyCode == KeyEvent.KEYCODE_DPAD_UP
|| keyCode == KeyEvent.KEYCODE_DPAD_DOWN) {
// Display the selection box but don't move or select it
// on this key press.
mSelectionMode = SELECTION_SELECTED;
invalidate();
return true;
} else if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) {
// Display the selection box but don't select it
// on this key press.
mSelectionMode = SELECTION_PRESSED;
invalidate();
return true;
}
}
mSelectionMode = SELECTION_SELECTED;
mScrolling = false;
boolean redraw;
int selectionDay = mSelectionDay;
switch (keyCode) {
case KeyEvent.KEYCODE_DEL:
// Delete the selected event, if any
Event selectedEvent = mSelectedEvent;
if (selectedEvent == null) {
return false;
}
mPopup.dismiss();
mLastPopupEventID = INVALID_EVENT_ID;
long begin = selectedEvent.startMillis;
long end = selectedEvent.endMillis;
long id = selectedEvent.id;
mDeleteEventHelper.delete(begin, end, id, -1);
return true;
case KeyEvent.KEYCODE_ENTER:
switchViews(true /* trackball or keyboard */);
return true;
case KeyEvent.KEYCODE_BACK:
if (event.getRepeatCount() == 0) {
event.startTracking();
return true;
}
return super.onKeyDown(keyCode, event);
case KeyEvent.KEYCODE_DPAD_LEFT:
if (mSelectedEvent != null) {
setSelectedEvent(mSelectedEvent.nextLeft);
}
if (mSelectedEvent == null) {
mLastPopupEventID = INVALID_EVENT_ID;
selectionDay -= 1;
}
redraw = true;
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
if (mSelectedEvent != null) {
setSelectedEvent(mSelectedEvent.nextRight);
}
if (mSelectedEvent == null) {
mLastPopupEventID = INVALID_EVENT_ID;
selectionDay += 1;
}
redraw = true;
break;
case KeyEvent.KEYCODE_DPAD_UP:
if (mSelectedEvent != null) {
setSelectedEvent(mSelectedEvent.nextUp);
}
if (mSelectedEvent == null) {
mLastPopupEventID = INVALID_EVENT_ID;
if (!mSelectionAllday) {
setSelectedHour(mSelectionHour - 1);
adjustHourSelection();
mSelectedEvents.clear();
mComputeSelectedEvents = true;
}
}
redraw = true;
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
if (mSelectedEvent != null) {
setSelectedEvent(mSelectedEvent.nextDown);
}
if (mSelectedEvent == null) {
mLastPopupEventID = INVALID_EVENT_ID;
if (mSelectionAllday) {
mSelectionAllday = false;
} else {
setSelectedHour(mSelectionHour + 1);
adjustHourSelection();
mSelectedEvents.clear();
mComputeSelectedEvents = true;
}
}
redraw = true;
break;
default:
return super.onKeyDown(keyCode, event);
}
if ((selectionDay < mFirstJulianDay) || (selectionDay > mLastJulianDay)) {
DayView view = (DayView) mViewSwitcher.getNextView();
Time date = view.mBaseDate;
date.set(mBaseDate);
if (selectionDay < mFirstJulianDay) {
date.monthDay -= mNumDays;
} else {
date.monthDay += mNumDays;
}
date.normalize(true /* ignore isDst */);
view.setSelectedDay(selectionDay);
initView(view);
Time end = new Time(date);
end.monthDay += mNumDays - 1;
mController.sendEvent(this, EventType.GO_TO, date, end, -1, ViewType.CURRENT);
return true;
}
if (mSelectionDay != selectionDay) {
Time date = new Time(mBaseDate);
date.setJulianDay(selectionDay);
date.hour = mSelectionHour;
mController.sendEvent(this, EventType.GO_TO, date, date, -1, ViewType.CURRENT);
}
setSelectedDay(selectionDay);
mSelectedEvents.clear();
mComputeSelectedEvents = true;
mUpdateToast = true;
if (redraw) {
invalidate();
return true;
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onHoverEvent(MotionEvent event) {
if (DEBUG) {
int action = event.getAction();
switch (action) {
case MotionEvent.ACTION_HOVER_ENTER:
Log.e(TAG, "ACTION_HOVER_ENTER");
break;
case MotionEvent.ACTION_HOVER_MOVE:
Log.e(TAG, "ACTION_HOVER_MOVE");
break;
case MotionEvent.ACTION_HOVER_EXIT:
Log.e(TAG, "ACTION_HOVER_EXIT");
break;
default:
Log.e(TAG, "Unknown hover event action. " + event);
}
}
// Mouse also generates hover events
// Send accessibility events if accessibility and exploration are on.
if (!mTouchExplorationEnabled) {
return super.onHoverEvent(event);
}
if (event.getAction() != MotionEvent.ACTION_HOVER_EXIT) {
setSelectionFromPosition((int) event.getX(), (int) event.getY(), true);
invalidate();
}
return true;
}
private boolean isTouchExplorationEnabled() {
return mIsAccessibilityEnabled && mAccessibilityMgr.isTouchExplorationEnabled();
}
private void sendAccessibilityEventAsNeeded(boolean speakEvents) {
if (!mIsAccessibilityEnabled) {
return;
}
boolean dayChanged = mLastSelectionDayForAccessibility != mSelectionDayForAccessibility;
boolean hourChanged = mLastSelectionHourForAccessibility != mSelectionHourForAccessibility;
if (dayChanged || hourChanged ||
mLastSelectedEventForAccessibility != mSelectedEventForAccessibility) {
mLastSelectionDayForAccessibility = mSelectionDayForAccessibility;
mLastSelectionHourForAccessibility = mSelectionHourForAccessibility;
mLastSelectedEventForAccessibility = mSelectedEventForAccessibility;
StringBuilder b = new StringBuilder();
// Announce only the changes i.e. day or hour or both
if (dayChanged) {
b.append(getSelectedTimeForAccessibility().format("%A "));
}
if (hourChanged) {
b.append(getSelectedTimeForAccessibility().format(mIs24HourFormat ? "%k" : "%l%p"));
}
if (dayChanged || hourChanged) {
b.append(PERIOD_SPACE);
}
if (speakEvents) {
if (mEventCountTemplate == null) {
mEventCountTemplate = mContext.getString(R.string.template_announce_item_index);
}
// Read out the relevant event(s)
int numEvents = mSelectedEvents.size();
if (numEvents > 0) {
if (mSelectedEventForAccessibility == null) {
// Read out all the events
int i = 1;
for (Event calEvent : mSelectedEvents) {
if (numEvents > 1) {
// Read out x of numEvents if there are more than one event
mStringBuilder.setLength(0);
b.append(mFormatter.format(mEventCountTemplate, i++, numEvents));
b.append(" ");
}
appendEventAccessibilityString(b, calEvent);
}
} else {
if (numEvents > 1) {
// Read out x of numEvents if there are more than one event
mStringBuilder.setLength(0);
b.append(mFormatter.format(mEventCountTemplate, mSelectedEvents
.indexOf(mSelectedEventForAccessibility) + 1, numEvents));
b.append(" ");
}
appendEventAccessibilityString(b, mSelectedEventForAccessibility);
}
} else {
b.append(mCreateNewEventString);
}
}
if (dayChanged || hourChanged || speakEvents) {
AccessibilityEvent event = AccessibilityEvent
.obtain(AccessibilityEvent.TYPE_VIEW_FOCUSED);
CharSequence msg = b.toString();
event.getText().add(msg);
event.setAddedCount(msg.length());
sendAccessibilityEventUnchecked(event);
}
}
}
/**
* @param b
* @param calEvent
*/
private void appendEventAccessibilityString(StringBuilder b, Event calEvent) {
b.append(calEvent.getTitleAndLocation());
b.append(PERIOD_SPACE);
String when;
int flags = DateUtils.FORMAT_SHOW_DATE;
if (calEvent.allDay) {
flags |= DateUtils.FORMAT_UTC | DateUtils.FORMAT_SHOW_WEEKDAY;
} else {
flags |= DateUtils.FORMAT_SHOW_TIME;
if (DateFormat.is24HourFormat(mContext)) {
flags |= DateUtils.FORMAT_24HOUR;
}
}
when = Utils.formatDateRange(mContext, calEvent.startMillis, calEvent.endMillis, flags);
b.append(when);
b.append(PERIOD_SPACE);
}
private class GotoBroadcaster implements Animation.AnimationListener {
private final int mCounter;
private final Time mStart;
private final Time mEnd;
public GotoBroadcaster(Time start, Time end) {
mCounter = ++sCounter;
mStart = start;
mEnd = end;
}
@Override
public void onAnimationEnd(Animation animation) {
DayView view = (DayView) mViewSwitcher.getCurrentView();
view.mViewStartX = 0;
view = (DayView) mViewSwitcher.getNextView();
view.mViewStartX = 0;
if (mCounter == sCounter) {
mController.sendEvent(this, EventType.GO_TO, mStart, mEnd, null, -1,
ViewType.CURRENT, CalendarController.EXTRA_GOTO_DATE, null, null);
}
}
@Override
public void onAnimationRepeat(Animation animation) {
}
@Override
public void onAnimationStart(Animation animation) {
}
}
private View switchViews(boolean forward, float xOffSet, float width, float velocity) {
mAnimationDistance = width - xOffSet;
if (DEBUG) {
Log.d(TAG, "switchViews(" + forward + ") O:" + xOffSet + " Dist:" + mAnimationDistance);
}
float progress = Math.abs(xOffSet) / width;
if (progress > 1.0f) {
progress = 1.0f;
}
float inFromXValue, inToXValue;
float outFromXValue, outToXValue;
if (forward) {
inFromXValue = 1.0f - progress;
inToXValue = 0.0f;
outFromXValue = -progress;
outToXValue = -1.0f;
} else {
inFromXValue = progress - 1.0f;
inToXValue = 0.0f;
outFromXValue = progress;
outToXValue = 1.0f;
}
final Time start = new Time(mBaseDate.timezone);
start.set(mController.getTime());
if (forward) {
start.monthDay += mNumDays;
} else {
start.monthDay -= mNumDays;
}
mController.setTime(start.normalize(true));
Time newSelected = start;
if (mNumDays == 7) {
newSelected = new Time(start);
adjustToBeginningOfWeek(start);
}
final Time end = new Time(start);
end.monthDay += mNumDays - 1;
// We have to allocate these animation objects each time we switch views
// because that is the only way to set the animation parameters.
TranslateAnimation inAnimation = new TranslateAnimation(
Animation.RELATIVE_TO_SELF, inFromXValue,
Animation.RELATIVE_TO_SELF, inToXValue,
Animation.ABSOLUTE, 0.0f,
Animation.ABSOLUTE, 0.0f);
TranslateAnimation outAnimation = new TranslateAnimation(
Animation.RELATIVE_TO_SELF, outFromXValue,
Animation.RELATIVE_TO_SELF, outToXValue,
Animation.ABSOLUTE, 0.0f,
Animation.ABSOLUTE, 0.0f);
long duration = calculateDuration(width - Math.abs(xOffSet), width, velocity);
inAnimation.setDuration(duration);
inAnimation.setInterpolator(mHScrollInterpolator);
outAnimation.setInterpolator(mHScrollInterpolator);
outAnimation.setDuration(duration);
outAnimation.setAnimationListener(new GotoBroadcaster(start, end));
mViewSwitcher.setInAnimation(inAnimation);
mViewSwitcher.setOutAnimation(outAnimation);
DayView view = (DayView) mViewSwitcher.getCurrentView();
view.cleanup();
mViewSwitcher.showNext();
view = (DayView) mViewSwitcher.getCurrentView();
view.setSelected(newSelected, true, false);
view.requestFocus();
view.reloadEvents();
view.updateTitle();
view.restartCurrentTimeUpdates();
return view;
}
// This is called after scrolling stops to move the selected hour
// to the visible part of the screen.
private void resetSelectedHour() {
if (mSelectionHour < mFirstHour + 1) {
setSelectedHour(mFirstHour + 1);
setSelectedEvent(null);
mSelectedEvents.clear();
mComputeSelectedEvents = true;
} else if (mSelectionHour > mFirstHour + mNumHours - 3) {
setSelectedHour(mFirstHour + mNumHours - 3);
setSelectedEvent(null);
mSelectedEvents.clear();
mComputeSelectedEvents = true;
}
}
private void initFirstHour() {
mFirstHour = mSelectionHour - mNumHours / 5;
if (mFirstHour < 0) {
mFirstHour = 0;
} else if (mFirstHour + mNumHours > 24) {
mFirstHour = 24 - mNumHours;
}
}
/**
* Recomputes the first full hour that is visible on screen after the
* screen is scrolled.
*/
private void computeFirstHour() {
// Compute the first full hour that is visible on screen
mFirstHour = (mViewStartY + mCellHeight + HOUR_GAP - 1) / (mCellHeight + HOUR_GAP);
mFirstHourOffset = mFirstHour * (mCellHeight + HOUR_GAP) - mViewStartY;
}
private void adjustHourSelection() {
if (mSelectionHour < 0) {
setSelectedHour(0);
if (mMaxAlldayEvents > 0) {
mPrevSelectedEvent = null;
mSelectionAllday = true;
}
}
if (mSelectionHour > 23) {
setSelectedHour(23);
}
// If the selected hour is at least 2 time slots from the top and
// bottom of the screen, then don't scroll the view.
if (mSelectionHour < mFirstHour + 1) {
// If there are all-days events for the selected day but there
// are no more normal events earlier in the day, then jump to
// the all-day event area.
// Exception 1: allow the user to scroll to 8am with the trackball
// before jumping to the all-day event area.
// Exception 2: if 12am is on screen, then allow the user to select
// 12am before going up to the all-day event area.
int daynum = mSelectionDay - mFirstJulianDay;
if (mMaxAlldayEvents > 0 && mEarliestStartHour[daynum] > mSelectionHour
&& mFirstHour > 0 && mFirstHour < 8) {
mPrevSelectedEvent = null;
mSelectionAllday = true;
setSelectedHour(mFirstHour + 1);
return;
}
if (mFirstHour > 0) {
mFirstHour -= 1;
mViewStartY -= (mCellHeight + HOUR_GAP);
if (mViewStartY < 0) {
mViewStartY = 0;
}
return;
}
}
if (mSelectionHour > mFirstHour + mNumHours - 3) {
if (mFirstHour < 24 - mNumHours) {
mFirstHour += 1;
mViewStartY += (mCellHeight + HOUR_GAP);
if (mViewStartY > mMaxViewStartY) {
mViewStartY = mMaxViewStartY;
}
return;
} else if (mFirstHour == 24 - mNumHours && mFirstHourOffset > 0) {
mViewStartY = mMaxViewStartY;
}
}
}
void clearCachedEvents() {
mLastReloadMillis = 0;
}
private final Runnable mCancelCallback = new Runnable() {
public void run() {
clearCachedEvents();
}
};
/* package */ void reloadEvents() {
// Protect against this being called before this view has been
// initialized.
// if (mContext == null) {
// return;
// }
// Make sure our time zones are up to date
mTZUpdater.run();
setSelectedEvent(null);
mPrevSelectedEvent = null;
mSelectedEvents.clear();
// The start date is the beginning of the week at 12am
Time weekStart = new Time(Utils.getTimeZone(mContext, mTZUpdater));
weekStart.set(mBaseDate);
weekStart.hour = 0;
weekStart.minute = 0;
weekStart.second = 0;
long millis = weekStart.normalize(true /* ignore isDst */);
// Avoid reloading events unnecessarily.
if (millis == mLastReloadMillis) {
return;
}
mLastReloadMillis = millis;
// load events in the background
// mContext.startProgressSpinner();
final ArrayList<Event> events = new ArrayList<Event>();
mEventLoader.loadEventsInBackground(mNumDays, events, mFirstJulianDay, new Runnable() {
public void run() {
boolean fadeinEvents = mFirstJulianDay != mLoadedFirstJulianDay;
mEvents = events;
mLoadedFirstJulianDay = mFirstJulianDay;
if (mAllDayEvents == null) {
mAllDayEvents = new ArrayList<Event>();
} else {
mAllDayEvents.clear();
}
// Create a shorter array for all day events
for (Event e : events) {
if (e.drawAsAllday()) {
mAllDayEvents.add(e);
}
}
// New events, new layouts
if (mLayouts == null || mLayouts.length < events.size()) {
mLayouts = new StaticLayout[events.size()];
} else {
Arrays.fill(mLayouts, null);
}
if (mAllDayLayouts == null || mAllDayLayouts.length < mAllDayEvents.size()) {
mAllDayLayouts = new StaticLayout[events.size()];
} else {
Arrays.fill(mAllDayLayouts, null);
}
computeEventRelations();
mRemeasure = true;
mComputeSelectedEvents = true;
recalc();
// Start animation to cross fade the events
if (fadeinEvents) {
if (mEventsCrossFadeAnimation == null) {
mEventsCrossFadeAnimation =
ObjectAnimator.ofInt(DayView.this, "EventsAlpha", 0, 255);
mEventsCrossFadeAnimation.setDuration(EVENTS_CROSS_FADE_DURATION);
}
mEventsCrossFadeAnimation.start();
} else{
invalidate();
}
}
}, mCancelCallback);
}
public void setEventsAlpha(int alpha) {
mEventsAlpha = alpha;
invalidate();
}
public int getEventsAlpha() {
return mEventsAlpha;
}
public void stopEventsAnimation() {
if (mEventsCrossFadeAnimation != null) {
mEventsCrossFadeAnimation.cancel();
}
mEventsAlpha = 255;
}
private void computeEventRelations() {
// Compute the layout relation between each event before measuring cell
// width, as the cell width should be adjusted along with the relation.
//
// Examples: A (1:00pm - 1:01pm), B (1:02pm - 2:00pm)
// We should mark them as "overwapped". Though they are not overwapped logically, but
// minimum cell height implicitly expands the cell height of A and it should look like
// (1:00pm - 1:15pm) after the cell height adjustment.
// Compute the space needed for the all-day events, if any.
// Make a pass over all the events, and keep track of the maximum
// number of all-day events in any one day. Also, keep track of
// the earliest event in each day.
int maxAllDayEvents = 0;
final ArrayList<Event> events = mEvents;
final int len = events.size();
// Num of all-day-events on each day.
final int eventsCount[] = new int[mLastJulianDay - mFirstJulianDay + 1];
Arrays.fill(eventsCount, 0);
for (int ii = 0; ii < len; ii++) {
Event event = events.get(ii);
if (event.startDay > mLastJulianDay || event.endDay < mFirstJulianDay) {
continue;
}
if (event.drawAsAllday()) {
// Count all the events being drawn as allDay events
final int firstDay = Math.max(event.startDay, mFirstJulianDay);
final int lastDay = Math.min(event.endDay, mLastJulianDay);
for (int day = firstDay; day <= lastDay; day++) {
final int count = ++eventsCount[day - mFirstJulianDay];
if (maxAllDayEvents < count) {
maxAllDayEvents = count;
}
}
int daynum = event.startDay - mFirstJulianDay;
int durationDays = event.endDay - event.startDay + 1;
if (daynum < 0) {
durationDays += daynum;
daynum = 0;
}
if (daynum + durationDays > mNumDays) {
durationDays = mNumDays - daynum;
}
for (int day = daynum; durationDays > 0; day++, durationDays--) {
mHasAllDayEvent[day] = true;
}
} else {
int daynum = event.startDay - mFirstJulianDay;
int hour = event.startTime / 60;
if (daynum >= 0 && hour < mEarliestStartHour[daynum]) {
mEarliestStartHour[daynum] = hour;
}
// Also check the end hour in case the event spans more than
// one day.
daynum = event.endDay - mFirstJulianDay;
hour = event.endTime / 60;
if (daynum < mNumDays && hour < mEarliestStartHour[daynum]) {
mEarliestStartHour[daynum] = hour;
}
}
}
mMaxAlldayEvents = maxAllDayEvents;
initAllDayHeights();
}
@Override
protected void onDraw(Canvas canvas) {
if (mRemeasure) {
remeasure(getWidth(), getHeight());
mRemeasure = false;
}
canvas.save();
float yTranslate = -mViewStartY + DAY_HEADER_HEIGHT + mAlldayHeight;
// offset canvas by the current drag and header position
canvas.translate(-mViewStartX, yTranslate);
// clip to everything below the allDay area
Rect dest = mDestRect;
dest.top = (int) (mFirstCell - yTranslate);
dest.bottom = (int) (mViewHeight - yTranslate);
dest.left = 0;
dest.right = mViewWidth;
canvas.save();
canvas.clipRect(dest);
// Draw the movable part of the view
doDraw(canvas);
// restore to having no clip
canvas.restore();
if ((mTouchMode & TOUCH_MODE_HSCROLL) != 0) {
float xTranslate;
if (mViewStartX > 0) {
xTranslate = mViewWidth;
} else {
xTranslate = -mViewWidth;
}
// Move the canvas around to prep it for the next view
// specifically, shift it by a screen and undo the
// yTranslation which will be redone in the nextView's onDraw().
canvas.translate(xTranslate, -yTranslate);
DayView nextView = (DayView) mViewSwitcher.getNextView();
// Prevent infinite recursive calls to onDraw().
nextView.mTouchMode = TOUCH_MODE_INITIAL_STATE;
nextView.onDraw(canvas);
// Move it back for this view
canvas.translate(-xTranslate, 0);
} else {
// If we drew another view we already translated it back
// If we didn't draw another view we should be at the edge of the
// screen
canvas.translate(mViewStartX, -yTranslate);
}
// Draw the fixed areas (that don't scroll) directly to the canvas.
drawAfterScroll(canvas);
if (mComputeSelectedEvents && mUpdateToast) {
updateEventDetails();
mUpdateToast = false;
}
mComputeSelectedEvents = false;
// Draw overscroll glow
if (!mEdgeEffectTop.isFinished()) {
if (DAY_HEADER_HEIGHT != 0) {
canvas.translate(0, DAY_HEADER_HEIGHT);
}
if (mEdgeEffectTop.draw(canvas)) {
invalidate();
}
if (DAY_HEADER_HEIGHT != 0) {
canvas.translate(0, -DAY_HEADER_HEIGHT);
}
}
if (!mEdgeEffectBottom.isFinished()) {
canvas.rotate(180, mViewWidth/2, mViewHeight/2);
if (mEdgeEffectBottom.draw(canvas)) {
invalidate();
}
}
canvas.restore();
}
private void drawAfterScroll(Canvas canvas) {
Paint p = mPaint;
Rect r = mRect;
drawAllDayHighlights(r, canvas, p);
if (mMaxAlldayEvents != 0) {
drawAllDayEvents(mFirstJulianDay, mNumDays, canvas, p);
drawUpperLeftCorner(r, canvas, p);
}
drawScrollLine(r, canvas, p);
drawDayHeaderLoop(r, canvas, p);
// Draw the AM and PM indicators if we're in 12 hour mode
if (!mIs24HourFormat) {
drawAmPm(canvas, p);
}
}
// This isn't really the upper-left corner. It's the square area just
// below the upper-left corner, above the hours and to the left of the
// all-day area.
private void drawUpperLeftCorner(Rect r, Canvas canvas, Paint p) {
setupHourTextPaint(p);
if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount) {
// Draw the allDay expand/collapse icon
if (mUseExpandIcon) {
mExpandAlldayDrawable.setBounds(mExpandAllDayRect);
mExpandAlldayDrawable.draw(canvas);
} else {
mCollapseAlldayDrawable.setBounds(mExpandAllDayRect);
mCollapseAlldayDrawable.draw(canvas);
}
}
}
private void drawScrollLine(Rect r, Canvas canvas, Paint p) {
final int right = computeDayLeftPosition(mNumDays);
final int y = mFirstCell - 1;
p.setAntiAlias(false);
p.setStyle(Style.FILL);
p.setColor(mCalendarGridLineInnerHorizontalColor);
p.setStrokeWidth(GRID_LINE_INNER_WIDTH);
canvas.drawLine(GRID_LINE_LEFT_MARGIN, y, right, y, p);
p.setAntiAlias(true);
}
// Computes the x position for the left side of the given day (base 0)
private int computeDayLeftPosition(int day) {
int effectiveWidth = mViewWidth - mHoursWidth;
return day * effectiveWidth / mNumDays + mHoursWidth;
}
private void drawAllDayHighlights(Rect r, Canvas canvas, Paint p) {
if (mFutureBgColor != 0) {
// First, color the labels area light gray
r.top = 0;
r.bottom = DAY_HEADER_HEIGHT;
r.left = 0;
r.right = mViewWidth;
p.setColor(mBgColor);
p.setStyle(Style.FILL);
canvas.drawRect(r, p);
// and the area that says All day
r.top = DAY_HEADER_HEIGHT;
r.bottom = mFirstCell - 1;
r.left = 0;
r.right = mHoursWidth;
canvas.drawRect(r, p);
int startIndex = -1;
int todayIndex = mTodayJulianDay - mFirstJulianDay;
if (todayIndex < 0) {
// Future
startIndex = 0;
} else if (todayIndex >= 1 && todayIndex + 1 < mNumDays) {
// Multiday - tomorrow is visible.
startIndex = todayIndex + 1;
}
if (startIndex >= 0) {
// Draw the future highlight
r.top = 0;
r.bottom = mFirstCell - 1;
r.left = computeDayLeftPosition(startIndex) + 1;
r.right = computeDayLeftPosition(mNumDays);
p.setColor(mFutureBgColor);
p.setStyle(Style.FILL);
canvas.drawRect(r, p);
}
}
if (mSelectionAllday && mSelectionMode != SELECTION_HIDDEN) {
// Draw the selection highlight on the selected all-day area
mRect.top = DAY_HEADER_HEIGHT + 1;
mRect.bottom = mRect.top + mAlldayHeight + ALLDAY_TOP_MARGIN - 2;
int daynum = mSelectionDay - mFirstJulianDay;
mRect.left = computeDayLeftPosition(daynum) + 1;
mRect.right = computeDayLeftPosition(daynum + 1);
p.setColor(mCalendarGridAreaSelected);
canvas.drawRect(mRect, p);
}
}
private void drawDayHeaderLoop(Rect r, Canvas canvas, Paint p) {
// Draw the horizontal day background banner
// p.setColor(mCalendarDateBannerBackground);
// r.top = 0;
// r.bottom = DAY_HEADER_HEIGHT;
// r.left = 0;
// r.right = mHoursWidth + mNumDays * (mCellWidth + DAY_GAP);
// canvas.drawRect(r, p);
//
// Fill the extra space on the right side with the default background
// r.left = r.right;
// r.right = mViewWidth;
// p.setColor(mCalendarGridAreaBackground);
// canvas.drawRect(r, p);
if (mNumDays == 1 && ONE_DAY_HEADER_HEIGHT == 0) {
return;
}
p.setTypeface(mBold);
p.setTextAlign(Paint.Align.RIGHT);
int cell = mFirstJulianDay;
String[] dayNames;
if (mDateStrWidth < mCellWidth) {
dayNames = mDayStrs;
} else {
dayNames = mDayStrs2Letter;
}
p.setAntiAlias(true);
for (int day = 0; day < mNumDays; day++, cell++) {
int dayOfWeek = day + mFirstVisibleDayOfWeek;
if (dayOfWeek >= 14) {
dayOfWeek -= 14;
}
int color = mCalendarDateBannerTextColor;
if (mNumDays == 1) {
if (dayOfWeek == Time.SATURDAY) {
color = mWeek_saturdayColor;
} else if (dayOfWeek == Time.SUNDAY) {
color = mWeek_sundayColor;
}
} else {
final int column = day % 7;
if (Utils.isSaturday(column, mFirstDayOfWeek)) {
color = mWeek_saturdayColor;
} else if (Utils.isSunday(column, mFirstDayOfWeek)) {
color = mWeek_sundayColor;
}
}
p.setColor(color);
drawDayHeader(dayNames[dayOfWeek], day, cell, canvas, p);
}
p.setTypeface(null);
}
private void drawAmPm(Canvas canvas, Paint p) {
p.setColor(mCalendarAmPmLabel);
p.setTextSize(AMPM_TEXT_SIZE);
p.setTypeface(mBold);
p.setAntiAlias(true);
p.setTextAlign(Paint.Align.RIGHT);
String text = mAmString;
if (mFirstHour >= 12) {
text = mPmString;
}
int y = mFirstCell + mFirstHourOffset + 2 * mHoursTextHeight + HOUR_GAP;
canvas.drawText(text, HOURS_LEFT_MARGIN, y, p);
if (mFirstHour < 12 && mFirstHour + mNumHours > 12) {
// Also draw the "PM"
text = mPmString;
y = mFirstCell + mFirstHourOffset + (12 - mFirstHour) * (mCellHeight + HOUR_GAP)
+ 2 * mHoursTextHeight + HOUR_GAP;
canvas.drawText(text, HOURS_LEFT_MARGIN, y, p);
}
}
private void drawCurrentTimeLine(Rect r, final int day, final int top, Canvas canvas,
Paint p) {
r.left = computeDayLeftPosition(day) - CURRENT_TIME_LINE_SIDE_BUFFER + 1;
r.right = computeDayLeftPosition(day + 1) + CURRENT_TIME_LINE_SIDE_BUFFER + 1;
r.top = top - CURRENT_TIME_LINE_TOP_OFFSET;
r.bottom = r.top + mCurrentTimeLine.getIntrinsicHeight();
mCurrentTimeLine.setBounds(r);
mCurrentTimeLine.draw(canvas);
if (mAnimateToday) {
mCurrentTimeAnimateLine.setBounds(r);
mCurrentTimeAnimateLine.setAlpha(mAnimateTodayAlpha);
mCurrentTimeAnimateLine.draw(canvas);
}
}
private void doDraw(Canvas canvas) {
Paint p = mPaint;
Rect r = mRect;
if (mFutureBgColor != 0) {
drawBgColors(r, canvas, p);
}
drawGridBackground(r, canvas, p);
drawHours(r, canvas, p);
// Draw each day
int cell = mFirstJulianDay;
p.setAntiAlias(false);
int alpha = p.getAlpha();
p.setAlpha(mEventsAlpha);
for (int day = 0; day < mNumDays; day++, cell++) {
// TODO Wow, this needs cleanup. drawEvents loop through all the
// events on every call.
drawEvents(cell, day, HOUR_GAP, canvas, p);
// If this is today
if (cell == mTodayJulianDay) {
int lineY = mCurrentTime.hour * (mCellHeight + HOUR_GAP)
+ ((mCurrentTime.minute * mCellHeight) / 60) + 1;
// And the current time shows up somewhere on the screen
if (lineY >= mViewStartY && lineY < mViewStartY + mViewHeight - 2) {
drawCurrentTimeLine(r, day, lineY, canvas, p);
}
}
}
p.setAntiAlias(true);
p.setAlpha(alpha);
drawSelectedRect(r, canvas, p);
}
private void drawSelectedRect(Rect r, Canvas canvas, Paint p) {
// Draw a highlight on the selected hour (if needed)
if (mSelectionMode != SELECTION_HIDDEN && !mSelectionAllday) {
int daynum = mSelectionDay - mFirstJulianDay;
r.top = mSelectionHour * (mCellHeight + HOUR_GAP);
r.bottom = r.top + mCellHeight + HOUR_GAP;
r.left = computeDayLeftPosition(daynum) + 1;
r.right = computeDayLeftPosition(daynum + 1) + 1;
saveSelectionPosition(r.left, r.top, r.right, r.bottom);
// Draw the highlight on the grid
p.setColor(mCalendarGridAreaSelected);
r.top += HOUR_GAP;
r.right -= DAY_GAP;
p.setAntiAlias(false);
canvas.drawRect(r, p);
// Draw a "new event hint" on top of the highlight
// For the week view, show a "+", for day view, show "+ New event"
p.setColor(mNewEventHintColor);
if (mNumDays > 1) {
p.setStrokeWidth(NEW_EVENT_WIDTH);
int width = r.right - r.left;
int midX = r.left + width / 2;
int midY = r.top + mCellHeight / 2;
int length = Math.min(mCellHeight, width) - NEW_EVENT_MARGIN * 2;
length = Math.min(length, NEW_EVENT_MAX_LENGTH);
int verticalPadding = (mCellHeight - length) / 2;
int horizontalPadding = (width - length) / 2;
canvas.drawLine(r.left + horizontalPadding, midY, r.right - horizontalPadding,
midY, p);
canvas.drawLine(midX, r.top + verticalPadding, midX, r.bottom - verticalPadding, p);
} else {
p.setStyle(Paint.Style.FILL);
p.setTextSize(NEW_EVENT_HINT_FONT_SIZE);
p.setTextAlign(Paint.Align.LEFT);
p.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD));
canvas.drawText(mNewEventHintString, r.left + EVENT_TEXT_LEFT_MARGIN,
r.top + Math.abs(p.getFontMetrics().ascent) + EVENT_TEXT_TOP_MARGIN , p);
}
}
}
private void drawHours(Rect r, Canvas canvas, Paint p) {
setupHourTextPaint(p);
int y = HOUR_GAP + mHoursTextHeight + HOURS_TOP_MARGIN;
for (int i = 0; i < 24; i++) {
String time = mHourStrs[i];
canvas.drawText(time, HOURS_LEFT_MARGIN, y, p);
y += mCellHeight + HOUR_GAP;
}
}
private void setupHourTextPaint(Paint p) {
p.setColor(mCalendarHourLabelColor);
p.setTextSize(HOURS_TEXT_SIZE);
p.setTypeface(Typeface.DEFAULT);
p.setTextAlign(Paint.Align.RIGHT);
p.setAntiAlias(true);
}
private void drawDayHeader(String dayStr, int day, int cell, Canvas canvas, Paint p) {
int dateNum = mFirstVisibleDate + day;
int x;
if (dateNum > mMonthLength) {
dateNum -= mMonthLength;
}
p.setAntiAlias(true);
int todayIndex = mTodayJulianDay - mFirstJulianDay;
// Draw day of the month
String dateNumStr = String.valueOf(dateNum);
if (mNumDays > 1) {
float y = DAY_HEADER_HEIGHT - DAY_HEADER_BOTTOM_MARGIN;
// Draw day of the month
x = computeDayLeftPosition(day + 1) - DAY_HEADER_RIGHT_MARGIN;
p.setTextAlign(Align.RIGHT);
p.setTextSize(DATE_HEADER_FONT_SIZE);
p.setTypeface(todayIndex == day ? mBold : Typeface.DEFAULT);
canvas.drawText(dateNumStr, x, y, p);
// Draw day of the week
x -= p.measureText(" " + dateNumStr);
p.setTextSize(DAY_HEADER_FONT_SIZE);
p.setTypeface(Typeface.DEFAULT);
canvas.drawText(dayStr, x, y, p);
} else {
float y = ONE_DAY_HEADER_HEIGHT - DAY_HEADER_ONE_DAY_BOTTOM_MARGIN;
p.setTextAlign(Align.LEFT);
// Draw day of the week
x = computeDayLeftPosition(day) + DAY_HEADER_ONE_DAY_LEFT_MARGIN;
p.setTextSize(DAY_HEADER_FONT_SIZE);
p.setTypeface(Typeface.DEFAULT);
canvas.drawText(dayStr, x, y, p);
// Draw day of the month
x += p.measureText(dayStr) + DAY_HEADER_ONE_DAY_RIGHT_MARGIN;
p.setTextSize(DATE_HEADER_FONT_SIZE);
p.setTypeface(todayIndex == day ? mBold : Typeface.DEFAULT);
canvas.drawText(dateNumStr, x, y, p);
}
}
private void drawGridBackground(Rect r, Canvas canvas, Paint p) {
Paint.Style savedStyle = p.getStyle();
final float stopX = computeDayLeftPosition(mNumDays);
float y = 0;
final float deltaY = mCellHeight + HOUR_GAP;
int linesIndex = 0;
final float startY = 0;
final float stopY = HOUR_GAP + 24 * (mCellHeight + HOUR_GAP);
float x = mHoursWidth;
// Draw the inner horizontal grid lines
p.setColor(mCalendarGridLineInnerHorizontalColor);
p.setStrokeWidth(GRID_LINE_INNER_WIDTH);
p.setAntiAlias(false);
y = 0;
linesIndex = 0;
for (int hour = 0; hour <= 24; hour++) {
mLines[linesIndex++] = GRID_LINE_LEFT_MARGIN;
mLines[linesIndex++] = y;
mLines[linesIndex++] = stopX;
mLines[linesIndex++] = y;
y += deltaY;
}
if (mCalendarGridLineInnerVerticalColor != mCalendarGridLineInnerHorizontalColor) {
canvas.drawLines(mLines, 0, linesIndex, p);
linesIndex = 0;
p.setColor(mCalendarGridLineInnerVerticalColor);
}
// Draw the inner vertical grid lines
for (int day = 0; day <= mNumDays; day++) {
x = computeDayLeftPosition(day);
mLines[linesIndex++] = x;
mLines[linesIndex++] = startY;
mLines[linesIndex++] = x;
mLines[linesIndex++] = stopY;
}
canvas.drawLines(mLines, 0, linesIndex, p);
// Restore the saved style.
p.setStyle(savedStyle);
p.setAntiAlias(true);
}
/**
* @param r
* @param canvas
* @param p
*/
private void drawBgColors(Rect r, Canvas canvas, Paint p) {
int todayIndex = mTodayJulianDay - mFirstJulianDay;
// Draw the hours background color
r.top = mDestRect.top;
r.bottom = mDestRect.bottom;
r.left = 0;
r.right = mHoursWidth;
p.setColor(mBgColor);
p.setStyle(Style.FILL);
p.setAntiAlias(false);
canvas.drawRect(r, p);
// Draw background for grid area
if (mNumDays == 1 && todayIndex == 0) {
// Draw a white background for the time later than current time
int lineY = mCurrentTime.hour * (mCellHeight + HOUR_GAP)
+ ((mCurrentTime.minute * mCellHeight) / 60) + 1;
if (lineY < mViewStartY + mViewHeight) {
lineY = Math.max(lineY, mViewStartY);
r.left = mHoursWidth;
r.right = mViewWidth;
r.top = lineY;
r.bottom = mViewStartY + mViewHeight;
p.setColor(mFutureBgColor);
canvas.drawRect(r, p);
}
} else if (todayIndex >= 0 && todayIndex < mNumDays) {
// Draw today with a white background for the time later than current time
int lineY = mCurrentTime.hour * (mCellHeight + HOUR_GAP)
+ ((mCurrentTime.minute * mCellHeight) / 60) + 1;
if (lineY < mViewStartY + mViewHeight) {
lineY = Math.max(lineY, mViewStartY);
r.left = computeDayLeftPosition(todayIndex) + 1;
r.right = computeDayLeftPosition(todayIndex + 1);
r.top = lineY;
r.bottom = mViewStartY + mViewHeight;
p.setColor(mFutureBgColor);
canvas.drawRect(r, p);
}
// Paint Tomorrow and later days with future color
if (todayIndex + 1 < mNumDays) {
r.left = computeDayLeftPosition(todayIndex + 1) + 1;
r.right = computeDayLeftPosition(mNumDays);
r.top = mDestRect.top;
r.bottom = mDestRect.bottom;
p.setColor(mFutureBgColor);
canvas.drawRect(r, p);
}
} else if (todayIndex < 0) {
// Future
r.left = computeDayLeftPosition(0) + 1;
r.right = computeDayLeftPosition(mNumDays);
r.top = mDestRect.top;
r.bottom = mDestRect.bottom;
p.setColor(mFutureBgColor);
canvas.drawRect(r, p);
}
p.setAntiAlias(true);
}
Event getSelectedEvent() {
if (mSelectedEvent == null) {
// There is no event at the selected hour, so create a new event.
return getNewEvent(mSelectionDay, getSelectedTimeInMillis(),
getSelectedMinutesSinceMidnight());
}
return mSelectedEvent;
}
boolean isEventSelected() {
return (mSelectedEvent != null);
}
Event getNewEvent() {
return getNewEvent(mSelectionDay, getSelectedTimeInMillis(),
getSelectedMinutesSinceMidnight());
}
static Event getNewEvent(int julianDay, long utcMillis,
int minutesSinceMidnight) {
Event event = Event.newInstance();
event.startDay = julianDay;
event.endDay = julianDay;
event.startMillis = utcMillis;
event.endMillis = event.startMillis + MILLIS_PER_HOUR;
event.startTime = minutesSinceMidnight;
event.endTime = event.startTime + MINUTES_PER_HOUR;
return event;
}
private int computeMaxStringWidth(int currentMax, String[] strings, Paint p) {
float maxWidthF = 0.0f;
int len = strings.length;
for (int i = 0; i < len; i++) {
float width = p.measureText(strings[i]);
maxWidthF = Math.max(width, maxWidthF);
}
int maxWidth = (int) (maxWidthF + 0.5);
if (maxWidth < currentMax) {
maxWidth = currentMax;
}
return maxWidth;
}
private void saveSelectionPosition(float left, float top, float right, float bottom) {
mPrevBox.left = (int) left;
mPrevBox.right = (int) right;
mPrevBox.top = (int) top;
mPrevBox.bottom = (int) bottom;
}
private Rect getCurrentSelectionPosition() {
Rect box = new Rect();
box.top = mSelectionHour * (mCellHeight + HOUR_GAP);
box.bottom = box.top + mCellHeight + HOUR_GAP;
int daynum = mSelectionDay - mFirstJulianDay;
box.left = computeDayLeftPosition(daynum) + 1;
box.right = computeDayLeftPosition(daynum + 1);
return box;
}
private void setupTextRect(Rect r) {
if (r.bottom <= r.top || r.right <= r.left) {
r.bottom = r.top;
r.right = r.left;
return;
}
if (r.bottom - r.top > EVENT_TEXT_TOP_MARGIN + EVENT_TEXT_BOTTOM_MARGIN) {
r.top += EVENT_TEXT_TOP_MARGIN;
r.bottom -= EVENT_TEXT_BOTTOM_MARGIN;
}
if (r.right - r.left > EVENT_TEXT_LEFT_MARGIN + EVENT_TEXT_RIGHT_MARGIN) {
r.left += EVENT_TEXT_LEFT_MARGIN;
r.right -= EVENT_TEXT_RIGHT_MARGIN;
}
}
private void setupAllDayTextRect(Rect r) {
if (r.bottom <= r.top || r.right <= r.left) {
r.bottom = r.top;
r.right = r.left;
return;
}
if (r.bottom - r.top > EVENT_ALL_DAY_TEXT_TOP_MARGIN + EVENT_ALL_DAY_TEXT_BOTTOM_MARGIN) {
r.top += EVENT_ALL_DAY_TEXT_TOP_MARGIN;
r.bottom -= EVENT_ALL_DAY_TEXT_BOTTOM_MARGIN;
}
if (r.right - r.left > EVENT_ALL_DAY_TEXT_LEFT_MARGIN + EVENT_ALL_DAY_TEXT_RIGHT_MARGIN) {
r.left += EVENT_ALL_DAY_TEXT_LEFT_MARGIN;
r.right -= EVENT_ALL_DAY_TEXT_RIGHT_MARGIN;
}
}
/**
* Return the layout for a numbered event. Create it if not already existing
*/
private StaticLayout getEventLayout(StaticLayout[] layouts, int i, Event event, Paint paint,
Rect r) {
if (i < 0 || i >= layouts.length) {
return null;
}
StaticLayout layout = layouts[i];
// Check if we have already initialized the StaticLayout and that
// the width hasn't changed (due to vertical resizing which causes
// re-layout of events at min height)
if (layout == null || r.width() != layout.getWidth()) {
SpannableStringBuilder bob = new SpannableStringBuilder();
if (event.title != null) {
// MAX - 1 since we add a space
bob.append(drawTextSanitizer(event.title.toString(), MAX_EVENT_TEXT_LEN - 1));
bob.setSpan(new StyleSpan(android.graphics.Typeface.BOLD), 0, bob.length(), 0);
bob.append(' ');
}
if (event.location != null) {
bob.append(drawTextSanitizer(event.location.toString(),
MAX_EVENT_TEXT_LEN - bob.length()));
}
switch (event.selfAttendeeStatus) {
case Attendees.ATTENDEE_STATUS_INVITED:
paint.setColor(event.color);
break;
case Attendees.ATTENDEE_STATUS_DECLINED:
paint.setColor(mEventTextColor);
paint.setAlpha(Utils.DECLINED_EVENT_TEXT_ALPHA);
break;
case Attendees.ATTENDEE_STATUS_NONE: // Your own events
case Attendees.ATTENDEE_STATUS_ACCEPTED:
case Attendees.ATTENDEE_STATUS_TENTATIVE:
default:
paint.setColor(mEventTextColor);
break;
}
// Leave a one pixel boundary on the left and right of the rectangle for the event
layout = new StaticLayout(bob, 0, bob.length(), new TextPaint(paint), r.width(),
Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true, null, r.width());
layouts[i] = layout;
}
layout.getPaint().setAlpha(mEventsAlpha);
return layout;
}
private void drawAllDayEvents(int firstDay, int numDays, Canvas canvas, Paint p) {
p.setTextSize(NORMAL_FONT_SIZE);
p.setTextAlign(Paint.Align.LEFT);
Paint eventTextPaint = mEventTextPaint;
final float startY = DAY_HEADER_HEIGHT;
final float stopY = startY + mAlldayHeight + ALLDAY_TOP_MARGIN;
float x = 0;
int linesIndex = 0;
// Draw the inner vertical grid lines
p.setColor(mCalendarGridLineInnerVerticalColor);
x = mHoursWidth;
p.setStrokeWidth(GRID_LINE_INNER_WIDTH);
// Line bounding the top of the all day area
mLines[linesIndex++] = GRID_LINE_LEFT_MARGIN;
mLines[linesIndex++] = startY;
mLines[linesIndex++] = computeDayLeftPosition(mNumDays);
mLines[linesIndex++] = startY;
for (int day = 0; day <= mNumDays; day++) {
x = computeDayLeftPosition(day);
mLines[linesIndex++] = x;
mLines[linesIndex++] = startY;
mLines[linesIndex++] = x;
mLines[linesIndex++] = stopY;
}
p.setAntiAlias(false);
canvas.drawLines(mLines, 0, linesIndex, p);
p.setStyle(Style.FILL);
int y = DAY_HEADER_HEIGHT + ALLDAY_TOP_MARGIN;
int lastDay = firstDay + numDays - 1;
final ArrayList<Event> events = mAllDayEvents;
int numEvents = events.size();
// Whether or not we should draw the more events text
boolean hasMoreEvents = false;
// size of the allDay area
float drawHeight = mAlldayHeight;
// max number of events being drawn in one day of the allday area
float numRectangles = mMaxAlldayEvents;
// Where to cut off drawn allday events
int allDayEventClip = DAY_HEADER_HEIGHT + mAlldayHeight + ALLDAY_TOP_MARGIN;
// The number of events that weren't drawn in each day
mSkippedAlldayEvents = new int[numDays];
if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount && !mShowAllAllDayEvents &&
mAnimateDayHeight == 0) {
// We draw one fewer event than will fit so that more events text
// can be drawn
numRectangles = mMaxUnexpandedAlldayEventCount - 1;
// We also clip the events above the more events text
allDayEventClip -= MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT;
hasMoreEvents = true;
} else if (mAnimateDayHeight != 0) {
// clip at the end of the animating space
allDayEventClip = DAY_HEADER_HEIGHT + mAnimateDayHeight + ALLDAY_TOP_MARGIN;
}
int alpha = eventTextPaint.getAlpha();
eventTextPaint.setAlpha(mEventsAlpha);
for (int i = 0; i < numEvents; i++) {
Event event = events.get(i);
int startDay = event.startDay;
int endDay = event.endDay;
if (startDay > lastDay || endDay < firstDay) {
continue;
}
if (startDay < firstDay) {
startDay = firstDay;
}
if (endDay > lastDay) {
endDay = lastDay;
}
int startIndex = startDay - firstDay;
int endIndex = endDay - firstDay;
float height = mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount ? mAnimateDayEventHeight :
drawHeight / numRectangles;
// Prevent a single event from getting too big
if (height > MAX_HEIGHT_OF_ONE_ALLDAY_EVENT) {
height = MAX_HEIGHT_OF_ONE_ALLDAY_EVENT;
}
// Leave a one-pixel space between the vertical day lines and the
// event rectangle.
event.left = computeDayLeftPosition(startIndex);
event.right = computeDayLeftPosition(endIndex + 1) - DAY_GAP;
event.top = y + height * event.getColumn();
event.bottom = event.top + height - ALL_DAY_EVENT_RECT_BOTTOM_MARGIN;
if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount) {
// check if we should skip this event. We skip if it starts
// after the clip bound or ends after the skip bound and we're
// not animating.
if (event.top >= allDayEventClip) {
incrementSkipCount(mSkippedAlldayEvents, startIndex, endIndex);
continue;
} else if (event.bottom > allDayEventClip) {
if (hasMoreEvents) {
incrementSkipCount(mSkippedAlldayEvents, startIndex, endIndex);
continue;
}
event.bottom = allDayEventClip;
}
}
Rect r = drawEventRect(event, canvas, p, eventTextPaint, (int) event.top,
(int) event.bottom);
setupAllDayTextRect(r);
StaticLayout layout = getEventLayout(mAllDayLayouts, i, event, eventTextPaint, r);
drawEventText(layout, r, canvas, r.top, r.bottom, true);
// Check if this all-day event intersects the selected day
if (mSelectionAllday && mComputeSelectedEvents) {
if (startDay <= mSelectionDay && endDay >= mSelectionDay) {
mSelectedEvents.add(event);
}
}
}
eventTextPaint.setAlpha(alpha);
if (mMoreAlldayEventsTextAlpha != 0 && mSkippedAlldayEvents != null) {
// If the more allday text should be visible, draw it.
alpha = p.getAlpha();
p.setAlpha(mEventsAlpha);
p.setColor(mMoreAlldayEventsTextAlpha << 24 & mMoreEventsTextColor);
for (int i = 0; i < mSkippedAlldayEvents.length; i++) {
if (mSkippedAlldayEvents[i] > 0) {
drawMoreAlldayEvents(canvas, mSkippedAlldayEvents[i], i, p);
}
}
p.setAlpha(alpha);
}
if (mSelectionAllday) {
// Compute the neighbors for the list of all-day events that
// intersect the selected day.
computeAllDayNeighbors();
// Set the selection position to zero so that when we move down
// to the normal event area, we will highlight the topmost event.
saveSelectionPosition(0f, 0f, 0f, 0f);
}
}
// Helper method for counting the number of allday events skipped on each day
private void incrementSkipCount(int[] counts, int startIndex, int endIndex) {
if (counts == null || startIndex < 0 || endIndex > counts.length) {
return;
}
for (int i = startIndex; i <= endIndex; i++) {
counts[i]++;
}
}
// Draws the "box +n" text for hidden allday events
protected void drawMoreAlldayEvents(Canvas canvas, int remainingEvents, int day, Paint p) {
int x = computeDayLeftPosition(day) + EVENT_ALL_DAY_TEXT_LEFT_MARGIN;
int y = (int) (mAlldayHeight - .5f * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT - .5f
* EVENT_SQUARE_WIDTH + DAY_HEADER_HEIGHT + ALLDAY_TOP_MARGIN);
Rect r = mRect;
r.top = y;
r.left = x;
r.bottom = y + EVENT_SQUARE_WIDTH;
r.right = x + EVENT_SQUARE_WIDTH;
p.setColor(mMoreEventsTextColor);
p.setStrokeWidth(EVENT_RECT_STROKE_WIDTH);
p.setStyle(Style.STROKE);
p.setAntiAlias(false);
canvas.drawRect(r, p);
p.setAntiAlias(true);
p.setStyle(Style.FILL);
p.setTextSize(EVENT_TEXT_FONT_SIZE);
String text = mResources.getQuantityString(R.plurals.month_more_events, remainingEvents);
y += EVENT_SQUARE_WIDTH;
x += EVENT_SQUARE_WIDTH + EVENT_LINE_PADDING;
canvas.drawText(String.format(text, remainingEvents), x, y, p);
}
private void computeAllDayNeighbors() {
int len = mSelectedEvents.size();
if (len == 0 || mSelectedEvent != null) {
return;
}
// First, clear all the links
for (int ii = 0; ii < len; ii++) {
Event ev = mSelectedEvents.get(ii);
ev.nextUp = null;
ev.nextDown = null;
ev.nextLeft = null;
ev.nextRight = null;
}
// For each event in the selected event list "mSelectedEvents", find
// its neighbors in the up and down directions. This could be done
// more efficiently by sorting on the Event.getColumn() field, but
// the list is expected to be very small.
// Find the event in the same row as the previously selected all-day
// event, if any.
int startPosition = -1;
if (mPrevSelectedEvent != null && mPrevSelectedEvent.drawAsAllday()) {
startPosition = mPrevSelectedEvent.getColumn();
}
int maxPosition = -1;
Event startEvent = null;
Event maxPositionEvent = null;
for (int ii = 0; ii < len; ii++) {
Event ev = mSelectedEvents.get(ii);
int position = ev.getColumn();
if (position == startPosition) {
startEvent = ev;
} else if (position > maxPosition) {
maxPositionEvent = ev;
maxPosition = position;
}
for (int jj = 0; jj < len; jj++) {
if (jj == ii) {
continue;
}
Event neighbor = mSelectedEvents.get(jj);
int neighborPosition = neighbor.getColumn();
if (neighborPosition == position - 1) {
ev.nextUp = neighbor;
} else if (neighborPosition == position + 1) {
ev.nextDown = neighbor;
}
}
}
if (startEvent != null) {
setSelectedEvent(startEvent);
} else {
setSelectedEvent(maxPositionEvent);
}
}
private void drawEvents(int date, int dayIndex, int top, Canvas canvas, Paint p) {
Paint eventTextPaint = mEventTextPaint;
int left = computeDayLeftPosition(dayIndex) + 1;
int cellWidth = computeDayLeftPosition(dayIndex + 1) - left + 1;
int cellHeight = mCellHeight;
// Use the selected hour as the selection region
Rect selectionArea = mSelectionRect;
selectionArea.top = top + mSelectionHour * (cellHeight + HOUR_GAP);
selectionArea.bottom = selectionArea.top + cellHeight;
selectionArea.left = left;
selectionArea.right = selectionArea.left + cellWidth;
final ArrayList<Event> events = mEvents;
int numEvents = events.size();
EventGeometry geometry = mEventGeometry;
final int viewEndY = mViewStartY + mViewHeight - DAY_HEADER_HEIGHT - mAlldayHeight;
int alpha = eventTextPaint.getAlpha();
eventTextPaint.setAlpha(mEventsAlpha);
for (int i = 0; i < numEvents; i++) {
Event event = events.get(i);
if (!geometry.computeEventRect(date, left, top, cellWidth, event)) {
continue;
}
// Don't draw it if it is not visible
if (event.bottom < mViewStartY || event.top > viewEndY) {
continue;
}
if (date == mSelectionDay && !mSelectionAllday && mComputeSelectedEvents
&& geometry.eventIntersectsSelection(event, selectionArea)) {
mSelectedEvents.add(event);
}
Rect r = drawEventRect(event, canvas, p, eventTextPaint, mViewStartY, viewEndY);
setupTextRect(r);
// Don't draw text if it is not visible
if (r.top > viewEndY || r.bottom < mViewStartY) {
continue;
}
StaticLayout layout = getEventLayout(mLayouts, i, event, eventTextPaint, r);
// TODO: not sure why we are 4 pixels off
drawEventText(layout, r, canvas, mViewStartY + 4, mViewStartY + mViewHeight
- DAY_HEADER_HEIGHT - mAlldayHeight, false);
}
eventTextPaint.setAlpha(alpha);
if (date == mSelectionDay && !mSelectionAllday && isFocused()
&& mSelectionMode != SELECTION_HIDDEN) {
computeNeighbors();
}
}
// Computes the "nearest" neighbor event in four directions (left, right,
// up, down) for each of the events in the mSelectedEvents array.
private void computeNeighbors() {
int len = mSelectedEvents.size();
if (len == 0 || mSelectedEvent != null) {
return;
}
// First, clear all the links
for (int ii = 0; ii < len; ii++) {
Event ev = mSelectedEvents.get(ii);
ev.nextUp = null;
ev.nextDown = null;
ev.nextLeft = null;
ev.nextRight = null;
}
Event startEvent = mSelectedEvents.get(0);
int startEventDistance1 = 100000; // any large number
int startEventDistance2 = 100000; // any large number
int prevLocation = FROM_NONE;
int prevTop;
int prevBottom;
int prevLeft;
int prevRight;
int prevCenter = 0;
Rect box = getCurrentSelectionPosition();
if (mPrevSelectedEvent != null) {
prevTop = (int) mPrevSelectedEvent.top;
prevBottom = (int) mPrevSelectedEvent.bottom;
prevLeft = (int) mPrevSelectedEvent.left;
prevRight = (int) mPrevSelectedEvent.right;
// Check if the previously selected event intersects the previous
// selection box. (The previously selected event may be from a
// much older selection box.)
if (prevTop >= mPrevBox.bottom || prevBottom <= mPrevBox.top
|| prevRight <= mPrevBox.left || prevLeft >= mPrevBox.right) {
mPrevSelectedEvent = null;
prevTop = mPrevBox.top;
prevBottom = mPrevBox.bottom;
prevLeft = mPrevBox.left;
prevRight = mPrevBox.right;
} else {
// Clip the top and bottom to the previous selection box.
if (prevTop < mPrevBox.top) {
prevTop = mPrevBox.top;
}
if (prevBottom > mPrevBox.bottom) {
prevBottom = mPrevBox.bottom;
}
}
} else {
// Just use the previously drawn selection box
prevTop = mPrevBox.top;
prevBottom = mPrevBox.bottom;
prevLeft = mPrevBox.left;
prevRight = mPrevBox.right;
}
// Figure out where we came from and compute the center of that area.
if (prevLeft >= box.right) {
// The previously selected event was to the right of us.
prevLocation = FROM_RIGHT;
prevCenter = (prevTop + prevBottom) / 2;
} else if (prevRight <= box.left) {
// The previously selected event was to the left of us.
prevLocation = FROM_LEFT;
prevCenter = (prevTop + prevBottom) / 2;
} else if (prevBottom <= box.top) {
// The previously selected event was above us.
prevLocation = FROM_ABOVE;
prevCenter = (prevLeft + prevRight) / 2;
} else if (prevTop >= box.bottom) {
// The previously selected event was below us.
prevLocation = FROM_BELOW;
prevCenter = (prevLeft + prevRight) / 2;
}
// For each event in the selected event list "mSelectedEvents", search
// all the other events in that list for the nearest neighbor in 4
// directions.
for (int ii = 0; ii < len; ii++) {
Event ev = mSelectedEvents.get(ii);
int startTime = ev.startTime;
int endTime = ev.endTime;
int left = (int) ev.left;
int right = (int) ev.right;
int top = (int) ev.top;
if (top < box.top) {
top = box.top;
}
int bottom = (int) ev.bottom;
if (bottom > box.bottom) {
bottom = box.bottom;
}
// if (false) {
// int flags = DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_ABBREV_ALL
// | DateUtils.FORMAT_CAP_NOON_MIDNIGHT;
// if (DateFormat.is24HourFormat(mContext)) {
// flags |= DateUtils.FORMAT_24HOUR;
// }
// String timeRange = DateUtils.formatDateRange(mContext, ev.startMillis,
// ev.endMillis, flags);
// Log.i("Cal", "left: " + left + " right: " + right + " top: " + top + " bottom: "
// + bottom + " ev: " + timeRange + " " + ev.title);
// }
int upDistanceMin = 10000; // any large number
int downDistanceMin = 10000; // any large number
int leftDistanceMin = 10000; // any large number
int rightDistanceMin = 10000; // any large number
Event upEvent = null;
Event downEvent = null;
Event leftEvent = null;
Event rightEvent = null;
// Pick the starting event closest to the previously selected event,
// if any. distance1 takes precedence over distance2.
int distance1 = 0;
int distance2 = 0;
if (prevLocation == FROM_ABOVE) {
if (left >= prevCenter) {
distance1 = left - prevCenter;
} else if (right <= prevCenter) {
distance1 = prevCenter - right;
}
distance2 = top - prevBottom;
} else if (prevLocation == FROM_BELOW) {
if (left >= prevCenter) {
distance1 = left - prevCenter;
} else if (right <= prevCenter) {
distance1 = prevCenter - right;
}
distance2 = prevTop - bottom;
} else if (prevLocation == FROM_LEFT) {
if (bottom <= prevCenter) {
distance1 = prevCenter - bottom;
} else if (top >= prevCenter) {
distance1 = top - prevCenter;
}
distance2 = left - prevRight;
} else if (prevLocation == FROM_RIGHT) {
if (bottom <= prevCenter) {
distance1 = prevCenter - bottom;
} else if (top >= prevCenter) {
distance1 = top - prevCenter;
}
distance2 = prevLeft - right;
}
if (distance1 < startEventDistance1
|| (distance1 == startEventDistance1 && distance2 < startEventDistance2)) {
startEvent = ev;
startEventDistance1 = distance1;
startEventDistance2 = distance2;
}
// For each neighbor, figure out if it is above or below or left
// or right of me and compute the distance.
for (int jj = 0; jj < len; jj++) {
if (jj == ii) {
continue;
}
Event neighbor = mSelectedEvents.get(jj);
int neighborLeft = (int) neighbor.left;
int neighborRight = (int) neighbor.right;
if (neighbor.endTime <= startTime) {
// This neighbor is entirely above me.
// If we overlap the same column, then compute the distance.
if (neighborLeft < right && neighborRight > left) {
int distance = startTime - neighbor.endTime;
if (distance < upDistanceMin) {
upDistanceMin = distance;
upEvent = neighbor;
} else if (distance == upDistanceMin) {
int center = (left + right) / 2;
int currentDistance = 0;
int currentLeft = (int) upEvent.left;
int currentRight = (int) upEvent.right;
if (currentRight <= center) {
currentDistance = center - currentRight;
} else if (currentLeft >= center) {
currentDistance = currentLeft - center;
}
int neighborDistance = 0;
if (neighborRight <= center) {
neighborDistance = center - neighborRight;
} else if (neighborLeft >= center) {
neighborDistance = neighborLeft - center;
}
if (neighborDistance < currentDistance) {
upDistanceMin = distance;
upEvent = neighbor;
}
}
}
} else if (neighbor.startTime >= endTime) {
// This neighbor is entirely below me.
// If we overlap the same column, then compute the distance.
if (neighborLeft < right && neighborRight > left) {
int distance = neighbor.startTime - endTime;
if (distance < downDistanceMin) {
downDistanceMin = distance;
downEvent = neighbor;
} else if (distance == downDistanceMin) {
int center = (left + right) / 2;
int currentDistance = 0;
int currentLeft = (int) downEvent.left;
int currentRight = (int) downEvent.right;
if (currentRight <= center) {
currentDistance = center - currentRight;
} else if (currentLeft >= center) {
currentDistance = currentLeft - center;
}
int neighborDistance = 0;
if (neighborRight <= center) {
neighborDistance = center - neighborRight;
} else if (neighborLeft >= center) {
neighborDistance = neighborLeft - center;
}
if (neighborDistance < currentDistance) {
downDistanceMin = distance;
downEvent = neighbor;
}
}
}
}
if (neighborLeft >= right) {
// This neighbor is entirely to the right of me.
// Take the closest neighbor in the y direction.
int center = (top + bottom) / 2;
int distance = 0;
int neighborBottom = (int) neighbor.bottom;
int neighborTop = (int) neighbor.top;
if (neighborBottom <= center) {
distance = center - neighborBottom;
} else if (neighborTop >= center) {
distance = neighborTop - center;
}
if (distance < rightDistanceMin) {
rightDistanceMin = distance;
rightEvent = neighbor;
} else if (distance == rightDistanceMin) {
// Pick the closest in the x direction
int neighborDistance = neighborLeft - right;
int currentDistance = (int) rightEvent.left - right;
if (neighborDistance < currentDistance) {
rightDistanceMin = distance;
rightEvent = neighbor;
}
}
} else if (neighborRight <= left) {
// This neighbor is entirely to the left of me.
// Take the closest neighbor in the y direction.
int center = (top + bottom) / 2;
int distance = 0;
int neighborBottom = (int) neighbor.bottom;
int neighborTop = (int) neighbor.top;
if (neighborBottom <= center) {
distance = center - neighborBottom;
} else if (neighborTop >= center) {
distance = neighborTop - center;
}
if (distance < leftDistanceMin) {
leftDistanceMin = distance;
leftEvent = neighbor;
} else if (distance == leftDistanceMin) {
// Pick the closest in the x direction
int neighborDistance = left - neighborRight;
int currentDistance = left - (int) leftEvent.right;
if (neighborDistance < currentDistance) {
leftDistanceMin = distance;
leftEvent = neighbor;
}
}
}
}
ev.nextUp = upEvent;
ev.nextDown = downEvent;
ev.nextLeft = leftEvent;
ev.nextRight = rightEvent;
}
setSelectedEvent(startEvent);
}
private Rect drawEventRect(Event event, Canvas canvas, Paint p, Paint eventTextPaint,
int visibleTop, int visibleBot) {
// Draw the Event Rect
Rect r = mRect;
r.top = Math.max((int) event.top + EVENT_RECT_TOP_MARGIN, visibleTop);
r.bottom = Math.min((int) event.bottom - EVENT_RECT_BOTTOM_MARGIN, visibleBot);
r.left = (int) event.left + EVENT_RECT_LEFT_MARGIN;
r.right = (int) event.right;
int color;
if (event == mClickedEvent) {
color = mClickedColor;
} else {
color = event.color;
}
switch (event.selfAttendeeStatus) {
case Attendees.ATTENDEE_STATUS_INVITED:
if (event != mClickedEvent) {
p.setStyle(Style.STROKE);
}
break;
case Attendees.ATTENDEE_STATUS_DECLINED:
if (event != mClickedEvent) {
color = Utils.getDeclinedColorFromColor(color);
}
case Attendees.ATTENDEE_STATUS_NONE: // Your own events
case Attendees.ATTENDEE_STATUS_ACCEPTED:
case Attendees.ATTENDEE_STATUS_TENTATIVE:
default:
p.setStyle(Style.FILL_AND_STROKE);
break;
}
p.setAntiAlias(false);
int floorHalfStroke = (int) Math.floor(EVENT_RECT_STROKE_WIDTH / 2.0f);
int ceilHalfStroke = (int) Math.ceil(EVENT_RECT_STROKE_WIDTH / 2.0f);
r.top = Math.max((int) event.top + EVENT_RECT_TOP_MARGIN + floorHalfStroke, visibleTop);
r.bottom = Math.min((int) event.bottom - EVENT_RECT_BOTTOM_MARGIN - ceilHalfStroke,
visibleBot);
r.left += floorHalfStroke;
r.right -= ceilHalfStroke;
p.setStrokeWidth(EVENT_RECT_STROKE_WIDTH);
p.setColor(color);
int alpha = p.getAlpha();
p.setAlpha(mEventsAlpha);
canvas.drawRect(r, p);
p.setAlpha(alpha);
p.setStyle(Style.FILL);
// If this event is selected, then use the selection color
if (mSelectedEvent == event && mClickedEvent != null) {
boolean paintIt = false;
color = 0;
if (mSelectionMode == SELECTION_PRESSED) {
// Also, remember the last selected event that we drew
mPrevSelectedEvent = event;
color = mPressedColor;
paintIt = true;
} else if (mSelectionMode == SELECTION_SELECTED) {
// Also, remember the last selected event that we drew
mPrevSelectedEvent = event;
color = mPressedColor;
paintIt = true;
}
if (paintIt) {
p.setColor(color);
canvas.drawRect(r, p);
}
p.setAntiAlias(true);
}
// Draw cal color square border
// r.top = (int) event.top + CALENDAR_COLOR_SQUARE_V_OFFSET;
// r.left = (int) event.left + CALENDAR_COLOR_SQUARE_H_OFFSET;
// r.bottom = r.top + CALENDAR_COLOR_SQUARE_SIZE + 1;
// r.right = r.left + CALENDAR_COLOR_SQUARE_SIZE + 1;
// p.setColor(0xFFFFFFFF);
// canvas.drawRect(r, p);
// Draw cal color
// r.top++;
// r.left++;
// r.bottom--;
// r.right--;
// p.setColor(event.color);
// canvas.drawRect(r, p);
// Setup rect for drawEventText which follows
r.top = (int) event.top + EVENT_RECT_TOP_MARGIN;
r.bottom = (int) event.bottom - EVENT_RECT_BOTTOM_MARGIN;
r.left = (int) event.left + EVENT_RECT_LEFT_MARGIN;
r.right = (int) event.right - EVENT_RECT_RIGHT_MARGIN;
return r;
}
private final Pattern drawTextSanitizerFilter = Pattern.compile("[\t\n],");
// Sanitize a string before passing it to drawText or else we get little
// squares. For newlines and tabs before a comma, delete the character.
// Otherwise, just replace them with a space.
private String drawTextSanitizer(String string, int maxEventTextLen) {
Matcher m = drawTextSanitizerFilter.matcher(string);
string = m.replaceAll(",");
int len = string.length();
if (maxEventTextLen <= 0) {
string = "";
len = 0;
} else if (len > maxEventTextLen) {
string = string.substring(0, maxEventTextLen);
len = maxEventTextLen;
}
return string.replace('\n', ' ');
}
private void drawEventText(StaticLayout eventLayout, Rect rect, Canvas canvas, int top,
int bottom, boolean center) {
// drawEmptyRect(canvas, rect, 0xFFFF00FF); // for debugging
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
// If the rectangle is too small for text, then return
if (eventLayout == null || width < MIN_CELL_WIDTH_FOR_TEXT) {
return;
}
int totalLineHeight = 0;
int lineCount = eventLayout.getLineCount();
for (int i = 0; i < lineCount; i++) {
int lineBottom = eventLayout.getLineBottom(i);
if (lineBottom <= height) {
totalLineHeight = lineBottom;
} else {
break;
}
}
if (totalLineHeight == 0 || rect.top > bottom || rect.top + totalLineHeight < top) {
return;
}
// Use a StaticLayout to format the string.
canvas.save();
// canvas.translate(rect.left, rect.top + (rect.bottom - rect.top / 2));
int padding = center? (rect.bottom - rect.top - totalLineHeight) / 2 : 0;
canvas.translate(rect.left, rect.top + padding);
rect.left = 0;
rect.right = width;
rect.top = 0;
rect.bottom = totalLineHeight;
// There's a bug somewhere. If this rect is outside of a previous
// cliprect, this becomes a no-op. What happens is that the text draw
// past the event rect. The current fix is to not draw the staticLayout
// at all if it is completely out of bound.
canvas.clipRect(rect);
eventLayout.draw(canvas);
canvas.restore();
}
// This is to replace p.setStyle(Style.STROKE); canvas.drawRect() since it
// doesn't work well with hardware acceleration
// private void drawEmptyRect(Canvas canvas, Rect r, int color) {
// int linesIndex = 0;
// mLines[linesIndex++] = r.left;
// mLines[linesIndex++] = r.top;
// mLines[linesIndex++] = r.right;
// mLines[linesIndex++] = r.top;
//
// mLines[linesIndex++] = r.left;
// mLines[linesIndex++] = r.bottom;
// mLines[linesIndex++] = r.right;
// mLines[linesIndex++] = r.bottom;
//
// mLines[linesIndex++] = r.left;
// mLines[linesIndex++] = r.top;
// mLines[linesIndex++] = r.left;
// mLines[linesIndex++] = r.bottom;
//
// mLines[linesIndex++] = r.right;
// mLines[linesIndex++] = r.top;
// mLines[linesIndex++] = r.right;
// mLines[linesIndex++] = r.bottom;
// mPaint.setColor(color);
// canvas.drawLines(mLines, 0, linesIndex, mPaint);
// }
private void updateEventDetails() {
if (mSelectedEvent == null || mSelectionMode == SELECTION_HIDDEN
|| mSelectionMode == SELECTION_LONGPRESS) {
mPopup.dismiss();
return;
}
if (mLastPopupEventID == mSelectedEvent.id) {
return;
}
mLastPopupEventID = mSelectedEvent.id;
// Remove any outstanding callbacks to dismiss the popup.
mHandler.removeCallbacks(mDismissPopup);
Event event = mSelectedEvent;
TextView titleView = (TextView) mPopupView.findViewById(R.id.event_title);
titleView.setText(event.title);
ImageView imageView = (ImageView) mPopupView.findViewById(R.id.reminder_icon);
imageView.setVisibility(event.hasAlarm ? View.VISIBLE : View.GONE);
imageView = (ImageView) mPopupView.findViewById(R.id.repeat_icon);
imageView.setVisibility(event.isRepeating ? View.VISIBLE : View.GONE);
int flags;
if (event.allDay) {
flags = DateUtils.FORMAT_UTC | DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_SHOW_WEEKDAY | DateUtils.FORMAT_ABBREV_ALL;
} else {
flags = DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_SHOW_WEEKDAY | DateUtils.FORMAT_ABBREV_ALL
| DateUtils.FORMAT_CAP_NOON_MIDNIGHT;
}
if (DateFormat.is24HourFormat(mContext)) {
flags |= DateUtils.FORMAT_24HOUR;
}
String timeRange = Utils.formatDateRange(mContext, event.startMillis, event.endMillis,
flags);
TextView timeView = (TextView) mPopupView.findViewById(R.id.time);
timeView.setText(timeRange);
TextView whereView = (TextView) mPopupView.findViewById(R.id.where);
final boolean empty = TextUtils.isEmpty(event.location);
whereView.setVisibility(empty ? View.GONE : View.VISIBLE);
if (!empty) whereView.setText(event.location);
mPopup.showAtLocation(this, Gravity.BOTTOM | Gravity.LEFT, mHoursWidth, 5);
mHandler.postDelayed(mDismissPopup, POPUP_DISMISS_DELAY);
}
// The following routines are called from the parent activity when certain
// touch events occur.
private void doDown(MotionEvent ev) {
mTouchMode = TOUCH_MODE_DOWN;
mViewStartX = 0;
mOnFlingCalled = false;
mHandler.removeCallbacks(mContinueScroll);
int x = (int) ev.getX();
int y = (int) ev.getY();
// Save selection information: we use setSelectionFromPosition to find the selected event
// in order to show the "clicked" color. But since it is also setting the selected info
// for new events, we need to restore the old info after calling the function.
Event oldSelectedEvent = mSelectedEvent;
int oldSelectionDay = mSelectionDay;
int oldSelectionHour = mSelectionHour;
if (setSelectionFromPosition(x, y, false)) {
// If a time was selected (a blue selection box is visible) and the click location
// is in the selected time, do not show a click on an event to prevent a situation
// of both a selection and an event are clicked when they overlap.
boolean pressedSelected = (mSelectionMode != SELECTION_HIDDEN)
&& oldSelectionDay == mSelectionDay && oldSelectionHour == mSelectionHour;
if (!pressedSelected && mSelectedEvent != null) {
mSavedClickedEvent = mSelectedEvent;
mDownTouchTime = System.currentTimeMillis();
postDelayed (mSetClick,mOnDownDelay);
} else {
eventClickCleanup();
}
}
mSelectedEvent = oldSelectedEvent;
mSelectionDay = oldSelectionDay;
mSelectionHour = oldSelectionHour;
invalidate();
}
// Kicks off all the animations when the expand allday area is tapped
private void doExpandAllDayClick() {
mShowAllAllDayEvents = !mShowAllAllDayEvents;
ObjectAnimator.setFrameDelay(0);
// Determine the starting height
if (mAnimateDayHeight == 0) {
mAnimateDayHeight = mShowAllAllDayEvents ?
mAlldayHeight - (int) MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT : mAlldayHeight;
}
// Cancel current animations
mCancellingAnimations = true;
if (mAlldayAnimator != null) {
mAlldayAnimator.cancel();
}
if (mAlldayEventAnimator != null) {
mAlldayEventAnimator.cancel();
}
if (mMoreAlldayEventsAnimator != null) {
mMoreAlldayEventsAnimator.cancel();
}
mCancellingAnimations = false;
// get new animators
mAlldayAnimator = getAllDayAnimator();
mAlldayEventAnimator = getAllDayEventAnimator();
mMoreAlldayEventsAnimator = ObjectAnimator.ofInt(this,
"moreAllDayEventsTextAlpha",
mShowAllAllDayEvents ? MORE_EVENTS_MAX_ALPHA : 0,
mShowAllAllDayEvents ? 0 : MORE_EVENTS_MAX_ALPHA);
// Set up delays and start the animators
mAlldayAnimator.setStartDelay(mShowAllAllDayEvents ? ANIMATION_SECONDARY_DURATION : 0);
mAlldayAnimator.start();
mMoreAlldayEventsAnimator.setStartDelay(mShowAllAllDayEvents ? 0 : ANIMATION_DURATION);
mMoreAlldayEventsAnimator.setDuration(ANIMATION_SECONDARY_DURATION);
mMoreAlldayEventsAnimator.start();
if (mAlldayEventAnimator != null) {
// This is the only animator that can return null, so check it
mAlldayEventAnimator
.setStartDelay(mShowAllAllDayEvents ? ANIMATION_SECONDARY_DURATION : 0);
mAlldayEventAnimator.start();
}
}
/**
* Figures out the initial heights for allDay events and space when
* a view is being set up.
*/
public void initAllDayHeights() {
if (mMaxAlldayEvents <= mMaxUnexpandedAlldayEventCount) {
return;
}
if (mShowAllAllDayEvents) {
int maxADHeight = mViewHeight - DAY_HEADER_HEIGHT - MIN_HOURS_HEIGHT;
maxADHeight = Math.min(maxADHeight,
(int)(mMaxAlldayEvents * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT));
mAnimateDayEventHeight = maxADHeight / mMaxAlldayEvents;
} else {
mAnimateDayEventHeight = (int)MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT;
}
}
// Sets up an animator for changing the height of allday events
private ObjectAnimator getAllDayEventAnimator() {
// First calculate the absolute max height
int maxADHeight = mViewHeight - DAY_HEADER_HEIGHT - MIN_HOURS_HEIGHT;
// Now expand to fit but not beyond the absolute max
maxADHeight =
Math.min(maxADHeight, (int)(mMaxAlldayEvents * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT));
// calculate the height of individual events in order to fit
int fitHeight = maxADHeight / mMaxAlldayEvents;
int currentHeight = mAnimateDayEventHeight;
int desiredHeight =
mShowAllAllDayEvents ? fitHeight : (int)MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT;
// if there's nothing to animate just return
if (currentHeight == desiredHeight) {
return null;
}
// Set up the animator with the calculated values
ObjectAnimator animator = ObjectAnimator.ofInt(this, "animateDayEventHeight",
currentHeight, desiredHeight);
animator.setDuration(ANIMATION_DURATION);
return animator;
}
// Sets up an animator for changing the height of the allday area
private ObjectAnimator getAllDayAnimator() {
// Calculate the absolute max height
int maxADHeight = mViewHeight - DAY_HEADER_HEIGHT - MIN_HOURS_HEIGHT;
// Find the desired height but don't exceed abs max
maxADHeight =
Math.min(maxADHeight, (int)(mMaxAlldayEvents * MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT));
// calculate the current and desired heights
int currentHeight = mAnimateDayHeight != 0 ? mAnimateDayHeight : mAlldayHeight;
int desiredHeight = mShowAllAllDayEvents ? maxADHeight :
(int) (MAX_UNEXPANDED_ALLDAY_HEIGHT - MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT - 1);
// Set up the animator with the calculated values
ObjectAnimator animator = ObjectAnimator.ofInt(this, "animateDayHeight",
currentHeight, desiredHeight);
animator.setDuration(ANIMATION_DURATION);
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
if (!mCancellingAnimations) {
// when finished, set this to 0 to signify not animating
mAnimateDayHeight = 0;
mUseExpandIcon = !mShowAllAllDayEvents;
}
mRemeasure = true;
invalidate();
}
});
return animator;
}
// setter for the 'box +n' alpha text used by the animator
public void setMoreAllDayEventsTextAlpha(int alpha) {
mMoreAlldayEventsTextAlpha = alpha;
invalidate();
}
// setter for the height of the allday area used by the animator
public void setAnimateDayHeight(int height) {
mAnimateDayHeight = height;
mRemeasure = true;
invalidate();
}
// setter for the height of allday events used by the animator
public void setAnimateDayEventHeight(int height) {
mAnimateDayEventHeight = height;
mRemeasure = true;
invalidate();
}
private void doSingleTapUp(MotionEvent ev) {
if (!mHandleActionUp || mScrolling) {
return;
}
int x = (int) ev.getX();
int y = (int) ev.getY();
int selectedDay = mSelectionDay;
int selectedHour = mSelectionHour;
if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount) {
// check if the tap was in the allday expansion area
int bottom = mFirstCell;
if((x < mHoursWidth && y > DAY_HEADER_HEIGHT && y < DAY_HEADER_HEIGHT + mAlldayHeight)
|| (!mShowAllAllDayEvents && mAnimateDayHeight == 0 && y < bottom &&
y >= bottom - MIN_UNEXPANDED_ALLDAY_EVENT_HEIGHT)) {
doExpandAllDayClick();
return;
}
}
boolean validPosition = setSelectionFromPosition(x, y, false);
if (!validPosition) {
if (y < DAY_HEADER_HEIGHT) {
Time selectedTime = new Time(mBaseDate);
selectedTime.setJulianDay(mSelectionDay);
selectedTime.hour = mSelectionHour;
selectedTime.normalize(true /* ignore isDst */);
mController.sendEvent(this, EventType.GO_TO, null, null, selectedTime, -1,
ViewType.DAY, CalendarController.EXTRA_GOTO_DATE, null, null);
}
return;
}
boolean hasSelection = mSelectionMode != SELECTION_HIDDEN;
boolean pressedSelected = (hasSelection || mTouchExplorationEnabled)
&& selectedDay == mSelectionDay && selectedHour == mSelectionHour;
if (pressedSelected && mSavedClickedEvent == null) {
// If the tap is on an already selected hour slot, then create a new
// event
long extraLong = 0;
if (mSelectionAllday) {
extraLong = CalendarController.EXTRA_CREATE_ALL_DAY;
}
mSelectionMode = SELECTION_SELECTED;
mController.sendEventRelatedEventWithExtra(this, EventType.CREATE_EVENT, -1,
getSelectedTimeInMillis(), 0, (int) ev.getRawX(), (int) ev.getRawY(),
extraLong, -1);
} else if (mSelectedEvent != null) {
// If the tap is on an event, launch the "View event" view
if (mIsAccessibilityEnabled) {
mAccessibilityMgr.interrupt();
}
mSelectionMode = SELECTION_HIDDEN;
int yLocation =
(int)((mSelectedEvent.top + mSelectedEvent.bottom)/2);
// Y location is affected by the position of the event in the scrolling
// view (mViewStartY) and the presence of all day events (mFirstCell)
if (!mSelectedEvent.allDay) {
yLocation += (mFirstCell - mViewStartY);
}
mClickedYLocation = yLocation;
long clearDelay = (CLICK_DISPLAY_DURATION + mOnDownDelay) -
(System.currentTimeMillis() - mDownTouchTime);
if (clearDelay > 0) {
this.postDelayed(mClearClick, clearDelay);
} else {
this.post(mClearClick);
}
} else {
// Select time
Time startTime = new Time(mBaseDate);
startTime.setJulianDay(mSelectionDay);
startTime.hour = mSelectionHour;
startTime.normalize(true /* ignore isDst */);
Time endTime = new Time(startTime);
endTime.hour++;
mSelectionMode = SELECTION_SELECTED;
mController.sendEvent(this, EventType.GO_TO, startTime, endTime, -1, ViewType.CURRENT,
CalendarController.EXTRA_GOTO_TIME, null, null);
}
invalidate();
}
private void doLongPress(MotionEvent ev) {
eventClickCleanup();
if (mScrolling) {
return;
}
// Scale gesture in progress
if (mStartingSpanY != 0) {
return;
}
int x = (int) ev.getX();
int y = (int) ev.getY();
boolean validPosition = setSelectionFromPosition(x, y, false);
if (!validPosition) {
// return if the touch wasn't on an area of concern
return;
}
mSelectionMode = SELECTION_LONGPRESS;
invalidate();
performLongClick();
}
private void doScroll(MotionEvent e1, MotionEvent e2, float deltaX, float deltaY) {
cancelAnimation();
if (mStartingScroll) {
mInitialScrollX = 0;
mInitialScrollY = 0;
mStartingScroll = false;
}
mInitialScrollX += deltaX;
mInitialScrollY += deltaY;
int distanceX = (int) mInitialScrollX;
int distanceY = (int) mInitialScrollY;
final float focusY = getAverageY(e2);
if (mRecalCenterHour) {
// Calculate the hour that correspond to the average of the Y touch points
mGestureCenterHour = (mViewStartY + focusY - DAY_HEADER_HEIGHT - mAlldayHeight)
/ (mCellHeight + DAY_GAP);
mRecalCenterHour = false;
}
// If we haven't figured out the predominant scroll direction yet,
// then do it now.
if (mTouchMode == TOUCH_MODE_DOWN) {
int absDistanceX = Math.abs(distanceX);
int absDistanceY = Math.abs(distanceY);
mScrollStartY = mViewStartY;
mPreviousDirection = 0;
if (absDistanceX > absDistanceY) {
int slopFactor = mScaleGestureDetector.isInProgress() ? 20 : 2;
if (absDistanceX > mScaledPagingTouchSlop * slopFactor) {
mTouchMode = TOUCH_MODE_HSCROLL;
mViewStartX = distanceX;
initNextView(-mViewStartX);
}
} else {
mTouchMode = TOUCH_MODE_VSCROLL;
}
} else if ((mTouchMode & TOUCH_MODE_HSCROLL) != 0) {
// We are already scrolling horizontally, so check if we
// changed the direction of scrolling so that the other week
// is now visible.
mViewStartX = distanceX;
if (distanceX != 0) {
int direction = (distanceX > 0) ? 1 : -1;
if (direction != mPreviousDirection) {
// The user has switched the direction of scrolling
// so re-init the next view
initNextView(-mViewStartX);
mPreviousDirection = direction;
}
}
}
if ((mTouchMode & TOUCH_MODE_VSCROLL) != 0) {
// Calculate the top of the visible region in the calendar grid.
// Increasing/decrease this will scroll the calendar grid up/down.
mViewStartY = (int) ((mGestureCenterHour * (mCellHeight + DAY_GAP))
- focusY + DAY_HEADER_HEIGHT + mAlldayHeight);
// If dragging while already at the end, do a glow
final int pulledToY = (int) (mScrollStartY + deltaY);
if (pulledToY < 0) {
mEdgeEffectTop.onPull(deltaY / mViewHeight);
if (!mEdgeEffectBottom.isFinished()) {
mEdgeEffectBottom.onRelease();
}
} else if (pulledToY > mMaxViewStartY) {
mEdgeEffectBottom.onPull(deltaY / mViewHeight);
if (!mEdgeEffectTop.isFinished()) {
mEdgeEffectTop.onRelease();
}
}
if (mViewStartY < 0) {
mViewStartY = 0;
mRecalCenterHour = true;
} else if (mViewStartY > mMaxViewStartY) {
mViewStartY = mMaxViewStartY;
mRecalCenterHour = true;
}
if (mRecalCenterHour) {
// Calculate the hour that correspond to the average of the Y touch points
mGestureCenterHour = (mViewStartY + focusY - DAY_HEADER_HEIGHT - mAlldayHeight)
/ (mCellHeight + DAY_GAP);
mRecalCenterHour = false;
}
computeFirstHour();
}
mScrolling = true;
mSelectionMode = SELECTION_HIDDEN;
invalidate();
}
private float getAverageY(MotionEvent me) {
int count = me.getPointerCount();
float focusY = 0;
for (int i = 0; i < count; i++) {
focusY += me.getY(i);
}
focusY /= count;
return focusY;
}
private void cancelAnimation() {
Animation in = mViewSwitcher.getInAnimation();
if (in != null) {
// cancel() doesn't terminate cleanly.
in.scaleCurrentDuration(0);
}
Animation out = mViewSwitcher.getOutAnimation();
if (out != null) {
// cancel() doesn't terminate cleanly.
out.scaleCurrentDuration(0);
}
}
private void doFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
cancelAnimation();
mSelectionMode = SELECTION_HIDDEN;
eventClickCleanup();
mOnFlingCalled = true;
if ((mTouchMode & TOUCH_MODE_HSCROLL) != 0) {
// Horizontal fling.
// initNextView(deltaX);
mTouchMode = TOUCH_MODE_INITIAL_STATE;
if (DEBUG) Log.d(TAG, "doFling: velocityX " + velocityX);
int deltaX = (int) e2.getX() - (int) e1.getX();
switchViews(deltaX < 0, mViewStartX, mViewWidth, velocityX);
mViewStartX = 0;
return;
}
if ((mTouchMode & TOUCH_MODE_VSCROLL) == 0) {
if (DEBUG) Log.d(TAG, "doFling: no fling");
return;
}
// Vertical fling.
mTouchMode = TOUCH_MODE_INITIAL_STATE;
mViewStartX = 0;
if (DEBUG) {
Log.d(TAG, "doFling: mViewStartY" + mViewStartY + " velocityY " + velocityY);
}
// Continue scrolling vertically
mScrolling = true;
mScroller.fling(0 /* startX */, mViewStartY /* startY */, 0 /* velocityX */,
(int) -velocityY, 0 /* minX */, 0 /* maxX */, 0 /* minY */,
mMaxViewStartY /* maxY */, OVERFLING_DISTANCE, OVERFLING_DISTANCE);
// When flinging down, show a glow when it hits the end only if it
// wasn't started at the top
if (velocityY > 0 && mViewStartY != 0) {
mCallEdgeEffectOnAbsorb = true;
}
// When flinging up, show a glow when it hits the end only if it wasn't
// started at the bottom
else if (velocityY < 0 && mViewStartY != mMaxViewStartY) {
mCallEdgeEffectOnAbsorb = true;
}
mHandler.post(mContinueScroll);
}
private boolean initNextView(int deltaX) {
// Change the view to the previous day or week
DayView view = (DayView) mViewSwitcher.getNextView();
Time date = view.mBaseDate;
date.set(mBaseDate);
boolean switchForward;
if (deltaX > 0) {
date.monthDay -= mNumDays;
view.setSelectedDay(mSelectionDay - mNumDays);
switchForward = false;
} else {
date.monthDay += mNumDays;
view.setSelectedDay(mSelectionDay + mNumDays);
switchForward = true;
}
date.normalize(true /* ignore isDst */);
initView(view);
view.layout(getLeft(), getTop(), getRight(), getBottom());
view.reloadEvents();
return switchForward;
}
// ScaleGestureDetector.OnScaleGestureListener
public boolean onScaleBegin(ScaleGestureDetector detector) {
mHandleActionUp = false;
float gestureCenterInPixels = detector.getFocusY() - DAY_HEADER_HEIGHT - mAlldayHeight;
mGestureCenterHour = (mViewStartY + gestureCenterInPixels) / (mCellHeight + DAY_GAP);
mStartingSpanY = Math.max(MIN_Y_SPAN, Math.abs(detector.getCurrentSpanY()));
mCellHeightBeforeScaleGesture = mCellHeight;
if (DEBUG_SCALING) {
float ViewStartHour = mViewStartY / (float) (mCellHeight + DAY_GAP);
Log.d(TAG, "onScaleBegin: mGestureCenterHour:" + mGestureCenterHour
+ "\tViewStartHour: " + ViewStartHour + "\tmViewStartY:" + mViewStartY
+ "\tmCellHeight:" + mCellHeight + " SpanY:" + detector.getCurrentSpanY());
}
return true;
}
// ScaleGestureDetector.OnScaleGestureListener
public boolean onScale(ScaleGestureDetector detector) {
float spanY = Math.max(MIN_Y_SPAN, Math.abs(detector.getCurrentSpanY()));
mCellHeight = (int) (mCellHeightBeforeScaleGesture * spanY / mStartingSpanY);
if (mCellHeight < mMinCellHeight) {
// If mStartingSpanY is too small, even a small increase in the
// gesture can bump the mCellHeight beyond MAX_CELL_HEIGHT
mStartingSpanY = spanY;
mCellHeight = mMinCellHeight;
mCellHeightBeforeScaleGesture = mMinCellHeight;
} else if (mCellHeight > MAX_CELL_HEIGHT) {
mStartingSpanY = spanY;
mCellHeight = MAX_CELL_HEIGHT;
mCellHeightBeforeScaleGesture = MAX_CELL_HEIGHT;
}
int gestureCenterInPixels = (int) detector.getFocusY() - DAY_HEADER_HEIGHT - mAlldayHeight;
mViewStartY = (int) (mGestureCenterHour * (mCellHeight + DAY_GAP)) - gestureCenterInPixels;
mMaxViewStartY = HOUR_GAP + 24 * (mCellHeight + HOUR_GAP) - mGridAreaHeight;
if (DEBUG_SCALING) {
float ViewStartHour = mViewStartY / (float) (mCellHeight + DAY_GAP);
Log.d(TAG, "onScale: mGestureCenterHour:" + mGestureCenterHour + "\tViewStartHour: "
+ ViewStartHour + "\tmViewStartY:" + mViewStartY + "\tmCellHeight:"
+ mCellHeight + " SpanY:" + detector.getCurrentSpanY());
}
if (mViewStartY < 0) {
mViewStartY = 0;
mGestureCenterHour = (mViewStartY + gestureCenterInPixels)
/ (float) (mCellHeight + DAY_GAP);
} else if (mViewStartY > mMaxViewStartY) {
mViewStartY = mMaxViewStartY;
mGestureCenterHour = (mViewStartY + gestureCenterInPixels)
/ (float) (mCellHeight + DAY_GAP);
}
computeFirstHour();
mRemeasure = true;
invalidate();
return true;
}
// ScaleGestureDetector.OnScaleGestureListener
public void onScaleEnd(ScaleGestureDetector detector) {
mScrollStartY = mViewStartY;
mInitialScrollY = 0;
mInitialScrollX = 0;
mStartingSpanY = 0;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
int action = ev.getAction();
if (DEBUG) Log.e(TAG, "" + action + " ev.getPointerCount() = " + ev.getPointerCount());
if ((ev.getActionMasked() == MotionEvent.ACTION_DOWN) ||
(ev.getActionMasked() == MotionEvent.ACTION_UP) ||
(ev.getActionMasked() == MotionEvent.ACTION_POINTER_UP) ||
(ev.getActionMasked() == MotionEvent.ACTION_POINTER_DOWN)) {
mRecalCenterHour = true;
}
if ((mTouchMode & TOUCH_MODE_HSCROLL) == 0) {
mScaleGestureDetector.onTouchEvent(ev);
}
switch (action) {
case MotionEvent.ACTION_DOWN:
mStartingScroll = true;
if (DEBUG) {
Log.e(TAG, "ACTION_DOWN ev.getDownTime = " + ev.getDownTime() + " Cnt="
+ ev.getPointerCount());
}
int bottom = mAlldayHeight + DAY_HEADER_HEIGHT + ALLDAY_TOP_MARGIN;
if (ev.getY() < bottom) {
mTouchStartedInAlldayArea = true;
} else {
mTouchStartedInAlldayArea = false;
}
mHandleActionUp = true;
mGestureDetector.onTouchEvent(ev);
return true;
case MotionEvent.ACTION_MOVE:
if (DEBUG) Log.e(TAG, "ACTION_MOVE Cnt=" + ev.getPointerCount() + DayView.this);
mGestureDetector.onTouchEvent(ev);
return true;
case MotionEvent.ACTION_UP:
if (DEBUG) Log.e(TAG, "ACTION_UP Cnt=" + ev.getPointerCount() + mHandleActionUp);
mEdgeEffectTop.onRelease();
mEdgeEffectBottom.onRelease();
mStartingScroll = false;
mGestureDetector.onTouchEvent(ev);
if (!mHandleActionUp) {
mHandleActionUp = true;
mViewStartX = 0;
invalidate();
return true;
}
if (mOnFlingCalled) {
return true;
}
// If we were scrolling, then reset the selected hour so that it
// is visible.
if (mScrolling) {
mScrolling = false;
resetSelectedHour();
invalidate();
}
if ((mTouchMode & TOUCH_MODE_HSCROLL) != 0) {
mTouchMode = TOUCH_MODE_INITIAL_STATE;
if (Math.abs(mViewStartX) > mHorizontalSnapBackThreshold) {
// The user has gone beyond the threshold so switch views
if (DEBUG) Log.d(TAG, "- horizontal scroll: switch views");
switchViews(mViewStartX > 0, mViewStartX, mViewWidth, 0);
mViewStartX = 0;
return true;
} else {
// Not beyond the threshold so invalidate which will cause
// the view to snap back. Also call recalc() to ensure
// that we have the correct starting date and title.
if (DEBUG) Log.d(TAG, "- horizontal scroll: snap back");
recalc();
invalidate();
mViewStartX = 0;
}
}
return true;
// This case isn't expected to happen.
case MotionEvent.ACTION_CANCEL:
if (DEBUG) Log.e(TAG, "ACTION_CANCEL");
mGestureDetector.onTouchEvent(ev);
mScrolling = false;
resetSelectedHour();
return true;
default:
if (DEBUG) Log.e(TAG, "Not MotionEvent " + ev.toString());
if (mGestureDetector.onTouchEvent(ev)) {
return true;
}
return super.onTouchEvent(ev);
}
}
public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfo) {
MenuItem item;
// If the trackball is held down, then the context menu pops up and
// we never get onKeyUp() for the long-press. So check for it here
// and change the selection to the long-press state.
if (mSelectionMode != SELECTION_LONGPRESS) {
mSelectionMode = SELECTION_LONGPRESS;
invalidate();
}
final long startMillis = getSelectedTimeInMillis();
int flags = DateUtils.FORMAT_SHOW_TIME
| DateUtils.FORMAT_CAP_NOON_MIDNIGHT
| DateUtils.FORMAT_SHOW_WEEKDAY;
final String title = Utils.formatDateRange(mContext, startMillis, startMillis, flags);
menu.setHeaderTitle(title);
int numSelectedEvents = mSelectedEvents.size();
if (mNumDays == 1) {
// Day view.
// If there is a selected event, then allow it to be viewed and
// edited.
if (numSelectedEvents >= 1) {
item = menu.add(0, MENU_EVENT_VIEW, 0, R.string.event_view);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_info_details);
int accessLevel = getEventAccessLevel(mContext, mSelectedEvent);
if (accessLevel == ACCESS_LEVEL_EDIT) {
item = menu.add(0, MENU_EVENT_EDIT, 0, R.string.event_edit);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_edit);
item.setAlphabeticShortcut('e');
}
if (accessLevel >= ACCESS_LEVEL_DELETE) {
item = menu.add(0, MENU_EVENT_DELETE, 0, R.string.event_delete);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_delete);
}
item = menu.add(0, MENU_EVENT_CREATE, 0, R.string.event_create);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_add);
item.setAlphabeticShortcut('n');
} else {
// Otherwise, if the user long-pressed on a blank hour, allow
// them to create an event. They can also do this by tapping.
item = menu.add(0, MENU_EVENT_CREATE, 0, R.string.event_create);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_add);
item.setAlphabeticShortcut('n');
}
} else {
// Week view.
// If there is a selected event, then allow it to be viewed and
// edited.
if (numSelectedEvents >= 1) {
item = menu.add(0, MENU_EVENT_VIEW, 0, R.string.event_view);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_info_details);
int accessLevel = getEventAccessLevel(mContext, mSelectedEvent);
if (accessLevel == ACCESS_LEVEL_EDIT) {
item = menu.add(0, MENU_EVENT_EDIT, 0, R.string.event_edit);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_edit);
item.setAlphabeticShortcut('e');
}
if (accessLevel >= ACCESS_LEVEL_DELETE) {
item = menu.add(0, MENU_EVENT_DELETE, 0, R.string.event_delete);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_delete);
}
}
item = menu.add(0, MENU_EVENT_CREATE, 0, R.string.event_create);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_add);
item.setAlphabeticShortcut('n');
item = menu.add(0, MENU_DAY, 0, R.string.show_day_view);
item.setOnMenuItemClickListener(mContextMenuHandler);
item.setIcon(android.R.drawable.ic_menu_day);
item.setAlphabeticShortcut('d');
}
mPopup.dismiss();
}
private class ContextMenuHandler implements MenuItem.OnMenuItemClickListener {
public boolean onMenuItemClick(MenuItem item) {
switch (item.getItemId()) {
case MENU_EVENT_VIEW: {
if (mSelectedEvent != null) {
mController.sendEventRelatedEvent(this, EventType.VIEW_EVENT_DETAILS,
mSelectedEvent.id, mSelectedEvent.startMillis,
mSelectedEvent.endMillis, 0, 0, -1);
}
break;
}
case MENU_EVENT_EDIT: {
if (mSelectedEvent != null) {
mController.sendEventRelatedEvent(this, EventType.EDIT_EVENT,
mSelectedEvent.id, mSelectedEvent.startMillis,
mSelectedEvent.endMillis, 0, 0, -1);
}
break;
}
case MENU_DAY: {
mController.sendEvent(this, EventType.GO_TO, getSelectedTime(), null, -1,
ViewType.DAY);
break;
}
case MENU_AGENDA: {
mController.sendEvent(this, EventType.GO_TO, getSelectedTime(), null, -1,
ViewType.AGENDA);
break;
}
case MENU_EVENT_CREATE: {
long startMillis = getSelectedTimeInMillis();
long endMillis = startMillis + DateUtils.HOUR_IN_MILLIS;
mController.sendEventRelatedEvent(this, EventType.CREATE_EVENT, -1,
startMillis, endMillis, 0, 0, -1);
break;
}
case MENU_EVENT_DELETE: {
if (mSelectedEvent != null) {
Event selectedEvent = mSelectedEvent;
long begin = selectedEvent.startMillis;
long end = selectedEvent.endMillis;
long id = selectedEvent.id;
mController.sendEventRelatedEvent(this, EventType.DELETE_EVENT, id, begin,
end, 0, 0, -1);
}
break;
}
default: {
return false;
}
}
return true;
}
}
private static int getEventAccessLevel(Context context, Event e) {
ContentResolver cr = context.getContentResolver();
int accessLevel = Calendars.CAL_ACCESS_NONE;
// Get the calendar id for this event
Cursor cursor = cr.query(ContentUris.withAppendedId(Events.CONTENT_URI, e.id),
new String[] { Events.CALENDAR_ID },
null /* selection */,
null /* selectionArgs */,
null /* sort */);
if (cursor == null) {
return ACCESS_LEVEL_NONE;
}
if (cursor.getCount() == 0) {
cursor.close();
return ACCESS_LEVEL_NONE;
}
cursor.moveToFirst();
long calId = cursor.getLong(0);
cursor.close();
Uri uri = Calendars.CONTENT_URI;
String where = String.format(CALENDARS_WHERE, calId);
cursor = cr.query(uri, CALENDARS_PROJECTION, where, null, null);
String calendarOwnerAccount = null;
if (cursor != null) {
cursor.moveToFirst();
accessLevel = cursor.getInt(CALENDARS_INDEX_ACCESS_LEVEL);
calendarOwnerAccount = cursor.getString(CALENDARS_INDEX_OWNER_ACCOUNT);
cursor.close();
}
if (accessLevel < Calendars.CAL_ACCESS_CONTRIBUTOR) {
return ACCESS_LEVEL_NONE;
}
if (e.guestsCanModify) {
return ACCESS_LEVEL_EDIT;
}
if (!TextUtils.isEmpty(calendarOwnerAccount)
&& calendarOwnerAccount.equalsIgnoreCase(e.organizer)) {
return ACCESS_LEVEL_EDIT;
}
return ACCESS_LEVEL_DELETE;
}
/**
* Sets mSelectionDay and mSelectionHour based on the (x,y) touch position.
* If the touch position is not within the displayed grid, then this
* method returns false.
*
* @param x the x position of the touch
* @param y the y position of the touch
* @param keepOldSelection - do not change the selection info (used for invoking accessibility
* messages)
* @return true if the touch position is valid
*/
private boolean setSelectionFromPosition(int x, final int y, boolean keepOldSelection) {
Event savedEvent = null;
int savedDay = 0;
int savedHour = 0;
boolean savedAllDay = false;
if (keepOldSelection) {
// Store selection info and restore it at the end. This way, we can invoke the
// right accessibility message without affecting the selection.
savedEvent = mSelectedEvent;
savedDay = mSelectionDay;
savedHour = mSelectionHour;
savedAllDay = mSelectionAllday;
}
if (x < mHoursWidth) {
x = mHoursWidth;
}
int day = (x - mHoursWidth) / (mCellWidth + DAY_GAP);
if (day >= mNumDays) {
day = mNumDays - 1;
}
day += mFirstJulianDay;
setSelectedDay(day);
if (y < DAY_HEADER_HEIGHT) {
sendAccessibilityEventAsNeeded(false);
return false;
}
setSelectedHour(mFirstHour); /* First fully visible hour */
if (y < mFirstCell) {
mSelectionAllday = true;
} else {
// y is now offset from top of the scrollable region
int adjustedY = y - mFirstCell;
if (adjustedY < mFirstHourOffset) {
setSelectedHour(mSelectionHour - 1); /* In the partially visible hour */
} else {
setSelectedHour(mSelectionHour +
(adjustedY - mFirstHourOffset) / (mCellHeight + HOUR_GAP));
}
mSelectionAllday = false;
}
findSelectedEvent(x, y);
// Log.i("Cal", "setSelectionFromPosition( " + x + ", " + y + " ) day: " + day + " hour: "
// + mSelectionHour + " mFirstCell: " + mFirstCell + " mFirstHourOffset: "
// + mFirstHourOffset);
// if (mSelectedEvent != null) {
// Log.i("Cal", " num events: " + mSelectedEvents.size() + " event: "
// + mSelectedEvent.title);
// for (Event ev : mSelectedEvents) {
// int flags = DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_ABBREV_ALL
// | DateUtils.FORMAT_CAP_NOON_MIDNIGHT;
// String timeRange = formatDateRange(mContext, ev.startMillis, ev.endMillis, flags);
//
// Log.i("Cal", " " + timeRange + " " + ev.title);
// }
// }
sendAccessibilityEventAsNeeded(true);
// Restore old values
if (keepOldSelection) {
mSelectedEvent = savedEvent;
mSelectionDay = savedDay;
mSelectionHour = savedHour;
mSelectionAllday = savedAllDay;
}
return true;
}
private void findSelectedEvent(int x, int y) {
int date = mSelectionDay;
int cellWidth = mCellWidth;
ArrayList<Event> events = mEvents;
int numEvents = events.size();
int left = computeDayLeftPosition(mSelectionDay - mFirstJulianDay);
int top = 0;
setSelectedEvent(null);
mSelectedEvents.clear();
if (mSelectionAllday) {
float yDistance;
float minYdistance = 10000.0f; // any large number
Event closestEvent = null;
float drawHeight = mAlldayHeight;
int yOffset = DAY_HEADER_HEIGHT + ALLDAY_TOP_MARGIN;
int maxUnexpandedColumn = mMaxUnexpandedAlldayEventCount;
if (mMaxAlldayEvents > mMaxUnexpandedAlldayEventCount) {
// Leave a gap for the 'box +n' text
maxUnexpandedColumn--;
}
events = mAllDayEvents;
numEvents = events.size();
for (int i = 0; i < numEvents; i++) {
Event event = events.get(i);
if (!event.drawAsAllday() ||
(!mShowAllAllDayEvents && event.getColumn() >= maxUnexpandedColumn)) {
// Don't check non-allday events or events that aren't shown
continue;
}
if (event.startDay <= mSelectionDay && event.endDay >= mSelectionDay) {
float numRectangles = mShowAllAllDayEvents ? mMaxAlldayEvents
: mMaxUnexpandedAlldayEventCount;
float height = drawHeight / numRectangles;
if (height > MAX_HEIGHT_OF_ONE_ALLDAY_EVENT) {
height = MAX_HEIGHT_OF_ONE_ALLDAY_EVENT;
}
float eventTop = yOffset + height * event.getColumn();
float eventBottom = eventTop + height;
if (eventTop < y && eventBottom > y) {
// If the touch is inside the event rectangle, then
// add the event.
mSelectedEvents.add(event);
closestEvent = event;
break;
} else {
// Find the closest event
if (eventTop >= y) {
yDistance = eventTop - y;
} else {
yDistance = y - eventBottom;
}
if (yDistance < minYdistance) {
minYdistance = yDistance;
closestEvent = event;
}
}
}
}
setSelectedEvent(closestEvent);
return;
}
// Adjust y for the scrollable bitmap
y += mViewStartY - mFirstCell;
// Use a region around (x,y) for the selection region
Rect region = mRect;
region.left = x - 10;
region.right = x + 10;
region.top = y - 10;
region.bottom = y + 10;
EventGeometry geometry = mEventGeometry;
for (int i = 0; i < numEvents; i++) {
Event event = events.get(i);
// Compute the event rectangle.
if (!geometry.computeEventRect(date, left, top, cellWidth, event)) {
continue;
}
// If the event intersects the selection region, then add it to
// mSelectedEvents.
if (geometry.eventIntersectsSelection(event, region)) {
mSelectedEvents.add(event);
}
}
// If there are any events in the selected region, then assign the
// closest one to mSelectedEvent.
if (mSelectedEvents.size() > 0) {
int len = mSelectedEvents.size();
Event closestEvent = null;
float minDist = mViewWidth + mViewHeight; // some large distance
for (int index = 0; index < len; index++) {
Event ev = mSelectedEvents.get(index);
float dist = geometry.pointToEvent(x, y, ev);
if (dist < minDist) {
minDist = dist;
closestEvent = ev;
}
}
setSelectedEvent(closestEvent);
// Keep the selected hour and day consistent with the selected
// event. They could be different if we touched on an empty hour
// slot very close to an event in the previous hour slot. In
// that case we will select the nearby event.
int startDay = mSelectedEvent.startDay;
int endDay = mSelectedEvent.endDay;
if (mSelectionDay < startDay) {
setSelectedDay(startDay);
} else if (mSelectionDay > endDay) {
setSelectedDay(endDay);
}
int startHour = mSelectedEvent.startTime / 60;
int endHour;
if (mSelectedEvent.startTime < mSelectedEvent.endTime) {
endHour = (mSelectedEvent.endTime - 1) / 60;
} else {
endHour = mSelectedEvent.endTime / 60;
}
if (mSelectionHour < startHour && mSelectionDay == startDay) {
setSelectedHour(startHour);
} else if (mSelectionHour > endHour && mSelectionDay == endDay) {
setSelectedHour(endHour);
}
}
}
// Encapsulates the code to continue the scrolling after the
// finger is lifted. Instead of stopping the scroll immediately,
// the scroll continues to "free spin" and gradually slows down.
private class ContinueScroll implements Runnable {
public void run() {
mScrolling = mScrolling && mScroller.computeScrollOffset();
if (!mScrolling || mPaused) {
resetSelectedHour();
invalidate();
return;
}
mViewStartY = mScroller.getCurrY();
if (mCallEdgeEffectOnAbsorb) {
if (mViewStartY < 0) {
mEdgeEffectTop.onAbsorb((int) mLastVelocity);
mCallEdgeEffectOnAbsorb = false;
} else if (mViewStartY > mMaxViewStartY) {
mEdgeEffectBottom.onAbsorb((int) mLastVelocity);
mCallEdgeEffectOnAbsorb = false;
}
mLastVelocity = mScroller.getCurrVelocity();
}
if (mScrollStartY == 0 || mScrollStartY == mMaxViewStartY) {
// Allow overscroll/springback only on a fling,
// not a pull/fling from the end
if (mViewStartY < 0) {
mViewStartY = 0;
} else if (mViewStartY > mMaxViewStartY) {
mViewStartY = mMaxViewStartY;
}
}
computeFirstHour();
mHandler.post(this);
invalidate();
}
}
/**
* Cleanup the pop-up and timers.
*/
public void cleanup() {
// Protect against null-pointer exceptions
if (mPopup != null) {
mPopup.dismiss();
}
mPaused = true;
mLastPopupEventID = INVALID_EVENT_ID;
if (mHandler != null) {
mHandler.removeCallbacks(mDismissPopup);
mHandler.removeCallbacks(mUpdateCurrentTime);
}
Utils.setSharedPreference(mContext, GeneralPreferences.KEY_DEFAULT_CELL_HEIGHT,
mCellHeight);
// Clear all click animations
eventClickCleanup();
// Turn off redraw
mRemeasure = false;
// Turn off scrolling to make sure the view is in the correct state if we fling back to it
mScrolling = false;
}
private void eventClickCleanup() {
this.removeCallbacks(mClearClick);
this.removeCallbacks(mSetClick);
mClickedEvent = null;
mSavedClickedEvent = null;
}
private void setSelectedEvent(Event e) {
mSelectedEvent = e;
mSelectedEventForAccessibility = e;
}
private void setSelectedHour(int h) {
mSelectionHour = h;
mSelectionHourForAccessibility = h;
}
private void setSelectedDay(int d) {
mSelectionDay = d;
mSelectionDayForAccessibility = d;
}
/**
* Restart the update timer
*/
public void restartCurrentTimeUpdates() {
mPaused = false;
if (mHandler != null) {
mHandler.removeCallbacks(mUpdateCurrentTime);
mHandler.post(mUpdateCurrentTime);
}
}
@Override
protected void onDetachedFromWindow() {
cleanup();
super.onDetachedFromWindow();
}
class DismissPopup implements Runnable {
public void run() {
// Protect against null-pointer exceptions
if (mPopup != null) {
mPopup.dismiss();
}
}
}
class UpdateCurrentTime implements Runnable {
public void run() {
long currentTime = System.currentTimeMillis();
mCurrentTime.set(currentTime);
//% causes update to occur on 5 minute marks (11:10, 11:15, 11:20, etc.)
if (!DayView.this.mPaused) {
mHandler.postDelayed(mUpdateCurrentTime, UPDATE_CURRENT_TIME_DELAY
- (currentTime % UPDATE_CURRENT_TIME_DELAY));
}
mTodayJulianDay = Time.getJulianDay(currentTime, mCurrentTime.gmtoff);
invalidate();
}
}
class CalendarGestureListener extends GestureDetector.SimpleOnGestureListener {
@Override
public boolean onSingleTapUp(MotionEvent ev) {
if (DEBUG) Log.e(TAG, "GestureDetector.onSingleTapUp");
DayView.this.doSingleTapUp(ev);
return true;
}
@Override
public void onLongPress(MotionEvent ev) {
if (DEBUG) Log.e(TAG, "GestureDetector.onLongPress");
DayView.this.doLongPress(ev);
}
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
if (DEBUG) Log.e(TAG, "GestureDetector.onScroll");
eventClickCleanup();
if (mTouchStartedInAlldayArea) {
if (Math.abs(distanceX) < Math.abs(distanceY)) {
// Make sure that click feedback is gone when you scroll from the
// all day area
invalidate();
return false;
}
// don't scroll vertically if this started in the allday area
distanceY = 0;
}
DayView.this.doScroll(e1, e2, distanceX, distanceY);
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
if (DEBUG) Log.e(TAG, "GestureDetector.onFling");
if (mTouchStartedInAlldayArea) {
if (Math.abs(velocityX) < Math.abs(velocityY)) {
return false;
}
// don't fling vertically if this started in the allday area
velocityY = 0;
}
DayView.this.doFling(e1, e2, velocityX, velocityY);
return true;
}
@Override
public boolean onDown(MotionEvent ev) {
if (DEBUG) Log.e(TAG, "GestureDetector.onDown");
DayView.this.doDown(ev);
return true;
}
}
@Override
public boolean onLongClick(View v) {
int flags = DateUtils.FORMAT_SHOW_WEEKDAY;
long time = getSelectedTimeInMillis();
if (!mSelectionAllday) {
flags |= DateUtils.FORMAT_SHOW_TIME;
}
if (DateFormat.is24HourFormat(mContext)) {
flags |= DateUtils.FORMAT_24HOUR;
}
mLongPressTitle = Utils.formatDateRange(mContext, time, time, flags);
new AlertDialog.Builder(mContext).setTitle(mLongPressTitle)
.setItems(mLongPressItems, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (which == 0) {
long extraLong = 0;
if (mSelectionAllday) {
extraLong = CalendarController.EXTRA_CREATE_ALL_DAY;
}
mController.sendEventRelatedEventWithExtra(this,
EventType.CREATE_EVENT, -1, getSelectedTimeInMillis(), 0, -1,
-1, extraLong, -1);
}
}
}).show().setCanceledOnTouchOutside(true);
return true;
}
// The rest of this file was borrowed from Launcher2 - PagedView.java
private static final int MINIMUM_SNAP_VELOCITY = 2200;
private class ScrollInterpolator implements Interpolator {
public ScrollInterpolator() {
}
public float getInterpolation(float t) {
t -= 1.0f;
t = t * t * t * t * t + 1;
if ((1 - t) * mAnimationDistance < 1) {
cancelAnimation();
}
return t;
}
}
private long calculateDuration(float delta, float width, float velocity) {
/*
* Here we compute a "distance" that will be used in the computation of
* the overall snap duration. This is a function of the actual distance
* that needs to be traveled; we keep this value close to half screen
* size in order to reduce the variance in snap duration as a function
* of the distance the page needs to travel.
*/
final float halfScreenSize = width / 2;
float distanceRatio = delta / width;
float distanceInfluenceForSnapDuration = distanceInfluenceForSnapDuration(distanceRatio);
float distance = halfScreenSize + halfScreenSize * distanceInfluenceForSnapDuration;
velocity = Math.abs(velocity);
velocity = Math.max(MINIMUM_SNAP_VELOCITY, velocity);
/*
* we want the page's snap velocity to approximately match the velocity
* at which the user flings, so we scale the duration by a value near to
* the derivative of the scroll interpolator at zero, ie. 5. We use 6 to
* make it a little slower.
*/
long duration = 6 * Math.round(1000 * Math.abs(distance / velocity));
if (DEBUG) {
Log.e(TAG, "halfScreenSize:" + halfScreenSize + " delta:" + delta + " distanceRatio:"
+ distanceRatio + " distance:" + distance + " velocity:" + velocity
+ " duration:" + duration + " distanceInfluenceForSnapDuration:"
+ distanceInfluenceForSnapDuration);
}
return duration;
}
/*
* We want the duration of the page snap animation to be influenced by the
* distance that the screen has to travel, however, we don't want this
* duration to be effected in a purely linear fashion. Instead, we use this
* method to moderate the effect that the distance of travel has on the
* overall snap duration.
*/
private float distanceInfluenceForSnapDuration(float f) {
f -= 0.5f; // center the values about 0.
f *= 0.3f * Math.PI / 2.0f;
return (float) Math.sin(f);
}
}