/*
 * Copyright (C) 2010 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 static android.provider.CalendarContract.EXTRA_EVENT_ALL_DAY;
import static android.provider.CalendarContract.EXTRA_EVENT_BEGIN_TIME;
import static android.provider.CalendarContract.EXTRA_EVENT_END_TIME;
import static com.android.calendar.CalendarController.EVENT_EDIT_ON_LAUNCH;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ObjectAnimator;
import android.app.Activity;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.FragmentManager;
import android.app.Service;
import android.content.ActivityNotFoundException;
import android.content.ContentProviderOperation;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.Color;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.provider.CalendarContract;
import android.provider.CalendarContract.Attendees;
import android.provider.CalendarContract.Calendars;
import android.provider.CalendarContract.Events;
import android.provider.CalendarContract.Reminders;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds;
import android.provider.ContactsContract.Intents;
import android.provider.ContactsContract.QuickContact;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.format.Time;
import android.text.method.LinkMovementMethod;
import android.text.method.MovementMethod;
import android.text.style.ForegroundColorSpan;
import android.text.util.Rfc822Token;
import android.util.Log;
import android.util.SparseIntArray;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.Toast;

import com.android.calendar.CalendarController.EventInfo;
import com.android.calendar.CalendarController.EventType;
import com.android.calendar.alerts.QuickResponseActivity;
import com.android.calendarcommon2.DateException;
import com.android.calendarcommon2.Duration;
import com.android.calendarcommon2.EventRecurrence;
import com.android.colorpicker.HsvColorComparator;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class EventInfoFragment extends DialogFragment implements OnCheckedChangeListener,
        CalendarController.EventHandler, OnClickListener {

    public static final boolean DEBUG = false;

    public static final String TAG = "EventInfoFragment";

    protected static final String BUNDLE_KEY_EVENT_ID = "key_event_id";
    protected static final String BUNDLE_KEY_START_MILLIS = "key_start_millis";
    protected static final String BUNDLE_KEY_END_MILLIS = "key_end_millis";
    protected static final String BUNDLE_KEY_IS_DIALOG = "key_fragment_is_dialog";
    protected static final String BUNDLE_KEY_DELETE_DIALOG_VISIBLE = "key_delete_dialog_visible";
    protected static final String BUNDLE_KEY_WINDOW_STYLE = "key_window_style";
    protected static final String BUNDLE_KEY_CALENDAR_COLOR = "key_calendar_color";
    protected static final String BUNDLE_KEY_CALENDAR_COLOR_INIT = "key_calendar_color_init";
    protected static final String BUNDLE_KEY_CURRENT_COLOR = "key_current_color";
    protected static final String BUNDLE_KEY_CURRENT_COLOR_KEY = "key_current_color_key";
    protected static final String BUNDLE_KEY_CURRENT_COLOR_INIT = "key_current_color_init";
    protected static final String BUNDLE_KEY_ORIGINAL_COLOR = "key_original_color";
    protected static final String BUNDLE_KEY_ORIGINAL_COLOR_INIT = "key_original_color_init";
    protected static final String BUNDLE_KEY_ATTENDEE_RESPONSE = "key_attendee_response";
    protected static final String BUNDLE_KEY_USER_SET_ATTENDEE_RESPONSE =
            "key_user_set_attendee_response";
    protected static final String BUNDLE_KEY_TENTATIVE_USER_RESPONSE =
            "key_tentative_user_response";
    protected static final String BUNDLE_KEY_RESPONSE_WHICH_EVENTS = "key_response_which_events";
    protected static final String BUNDLE_KEY_REMINDER_MINUTES = "key_reminder_minutes";
    protected static final String BUNDLE_KEY_REMINDER_METHODS = "key_reminder_methods";


    private static final String PERIOD_SPACE = ". ";

    private static final String NO_EVENT_COLOR = "";

    /**
     * These are the corresponding indices into the array of strings
     * "R.array.change_response_labels" in the resource file.
     */
    static final int UPDATE_SINGLE = 0;
    static final int UPDATE_ALL = 1;

    // Style of view
    public static final int FULL_WINDOW_STYLE = 0;
    public static final int DIALOG_WINDOW_STYLE = 1;

    private int mWindowStyle = DIALOG_WINDOW_STYLE;

    // Query tokens for QueryHandler
    private static final int TOKEN_QUERY_EVENT = 1 << 0;
    private static final int TOKEN_QUERY_CALENDARS = 1 << 1;
    private static final int TOKEN_QUERY_ATTENDEES = 1 << 2;
    private static final int TOKEN_QUERY_DUPLICATE_CALENDARS = 1 << 3;
    private static final int TOKEN_QUERY_REMINDERS = 1 << 4;
    private static final int TOKEN_QUERY_VISIBLE_CALENDARS = 1 << 5;
    private static final int TOKEN_QUERY_COLORS = 1 << 6;

    private static final int TOKEN_QUERY_ALL = TOKEN_QUERY_DUPLICATE_CALENDARS
            | TOKEN_QUERY_ATTENDEES | TOKEN_QUERY_CALENDARS | TOKEN_QUERY_EVENT
            | TOKEN_QUERY_REMINDERS | TOKEN_QUERY_VISIBLE_CALENDARS | TOKEN_QUERY_COLORS;

    private int mCurrentQuery = 0;

    private static final String[] EVENT_PROJECTION = new String[] {
        Events._ID,                  // 0  do not remove; used in DeleteEventHelper
        Events.TITLE,                // 1  do not remove; used in DeleteEventHelper
        Events.RRULE,                // 2  do not remove; used in DeleteEventHelper
        Events.ALL_DAY,              // 3  do not remove; used in DeleteEventHelper
        Events.CALENDAR_ID,          // 4  do not remove; used in DeleteEventHelper
        Events.DTSTART,              // 5  do not remove; used in DeleteEventHelper
        Events._SYNC_ID,             // 6  do not remove; used in DeleteEventHelper
        Events.EVENT_TIMEZONE,       // 7  do not remove; used in DeleteEventHelper
        Events.DESCRIPTION,          // 8
        Events.EVENT_LOCATION,       // 9
        Calendars.CALENDAR_ACCESS_LEVEL, // 10
        Events.CALENDAR_COLOR,       // 11
        Events.EVENT_COLOR,          // 12
        Events.HAS_ATTENDEE_DATA,    // 13
        Events.ORGANIZER,            // 14
        Events.HAS_ALARM,            // 15
        Calendars.MAX_REMINDERS,     // 16
        Calendars.ALLOWED_REMINDERS, // 17
        Events.CUSTOM_APP_PACKAGE,   // 18
        Events.CUSTOM_APP_URI,       // 19
        Events.DTEND,                // 20
        Events.DURATION,             // 21
        Events.ORIGINAL_SYNC_ID      // 22 do not remove; used in DeleteEventHelper
    };
    private static final int EVENT_INDEX_ID = 0;
    private static final int EVENT_INDEX_TITLE = 1;
    private static final int EVENT_INDEX_RRULE = 2;
    private static final int EVENT_INDEX_ALL_DAY = 3;
    private static final int EVENT_INDEX_CALENDAR_ID = 4;
    private static final int EVENT_INDEX_DTSTART = 5;
    private static final int EVENT_INDEX_SYNC_ID = 6;
    private static final int EVENT_INDEX_EVENT_TIMEZONE = 7;
    private static final int EVENT_INDEX_DESCRIPTION = 8;
    private static final int EVENT_INDEX_EVENT_LOCATION = 9;
    private static final int EVENT_INDEX_ACCESS_LEVEL = 10;
    private static final int EVENT_INDEX_CALENDAR_COLOR = 11;
    private static final int EVENT_INDEX_EVENT_COLOR = 12;
    private static final int EVENT_INDEX_HAS_ATTENDEE_DATA = 13;
    private static final int EVENT_INDEX_ORGANIZER = 14;
    private static final int EVENT_INDEX_HAS_ALARM = 15;
    private static final int EVENT_INDEX_MAX_REMINDERS = 16;
    private static final int EVENT_INDEX_ALLOWED_REMINDERS = 17;
    private static final int EVENT_INDEX_CUSTOM_APP_PACKAGE = 18;
    private static final int EVENT_INDEX_CUSTOM_APP_URI = 19;
    private static final int EVENT_INDEX_DTEND = 20;
    private static final int EVENT_INDEX_DURATION = 21;

    static {
        if (!Utils.isJellybeanOrLater()) {
            EVENT_PROJECTION[EVENT_INDEX_CUSTOM_APP_PACKAGE] = Events._ID; // dummy value
            EVENT_PROJECTION[EVENT_INDEX_CUSTOM_APP_URI] = Events._ID; // dummy value
        }
    }

    static final String[] CALENDARS_PROJECTION = new String[] {
        Calendars._ID,           // 0
        Calendars.CALENDAR_DISPLAY_NAME,  // 1
        Calendars.OWNER_ACCOUNT, // 2
        Calendars.CAN_ORGANIZER_RESPOND, // 3
        Calendars.ACCOUNT_NAME, // 4
        Calendars.ACCOUNT_TYPE  // 5
    };
    static final int CALENDARS_INDEX_DISPLAY_NAME = 1;
    static final int CALENDARS_INDEX_OWNER_ACCOUNT = 2;
    static final int CALENDARS_INDEX_OWNER_CAN_RESPOND = 3;
    static final int CALENDARS_INDEX_ACCOUNT_NAME = 4;
    static final int CALENDARS_INDEX_ACCOUNT_TYPE = 5;

    static final String CALENDARS_WHERE = Calendars._ID + "=?";
    static final String CALENDARS_DUPLICATE_NAME_WHERE = Calendars.CALENDAR_DISPLAY_NAME + "=?";
    static final String CALENDARS_VISIBLE_WHERE = Calendars.VISIBLE + "=?";

    public static final int COLORS_INDEX_COLOR = 1;
    public static final int COLORS_INDEX_COLOR_KEY = 2;

    private View mView;

    private Uri mUri;
    private long mEventId;
    private Cursor mEventCursor;
    private Cursor mCalendarsCursor;

    private static float mScale = 0; // Used for supporting different screen densities

    private static int mCustomAppIconSize = 32;

    private long mStartMillis;
    private long mEndMillis;
    private boolean mAllDay;

    private boolean mOwnerCanRespond;
    private String mSyncAccountName;
    private String mCalendarOwnerAccount;
    private boolean mIsBusyFreeCalendar;

    private int mOriginalAttendeeResponse;
    private int mAttendeeResponseFromIntent = Attendees.ATTENDEE_STATUS_NONE;
    private int mUserSetResponse = Attendees.ATTENDEE_STATUS_NONE;
    private int mWhichEvents = -1;
    // Used as the temporary response until the dialog is confirmed. It is also
    // able to be used as a state marker for configuration changes.
    private int mTentativeUserSetResponse = Attendees.ATTENDEE_STATUS_NONE;
    private boolean mHasAlarm;
    // Used to prevent saving changes in event if it is being deleted.
    private boolean mEventDeletionStarted = false;

    private TextView mTitle;
    private TextView mWhenDateTime;
    private TextView mWhere;
    private Menu mMenu = null;
    private View mHeadlines;
    private ScrollView mScrollView;
    private View mLoadingMsgView;
    private View mErrorMsgView;
    private ObjectAnimator mAnimateAlpha;
    private long mLoadingMsgStartTime;

    private SparseIntArray mDisplayColorKeyMap = new SparseIntArray();
    private int mOriginalColor = -1;
    private boolean mOriginalColorInitialized = false;
    private int mCalendarColor = -1;
    private boolean mCalendarColorInitialized = false;
    private int mCurrentColor = -1;
    private boolean mCurrentColorInitialized = false;
    private int mCurrentColorKey = -1;

    private static final int FADE_IN_TIME = 300;   // in milliseconds
    private static final int LOADING_MSG_DELAY = 600;   // in milliseconds
    private static final int LOADING_MSG_MIN_DISPLAY_TIME = 600;
    private boolean mNoCrossFade = false;  // Used to prevent repeated cross-fade
    private RadioGroup mResponseRadioGroup;

    ArrayList<String> mToEmails = new ArrayList<String>();
    ArrayList<String> mCcEmails = new ArrayList<String>();


    private final Runnable mTZUpdater = new Runnable() {
        @Override
        public void run() {
            updateEvent(mView);
        }
    };

    private final Runnable mLoadingMsgAlphaUpdater = new Runnable() {
        @Override
        public void run() {
            // Since this is run after a delay, make sure to only show the message
            // if the event's data is not shown yet.
            if (!mAnimateAlpha.isRunning() && mScrollView.getAlpha() == 0) {
                mLoadingMsgStartTime = System.currentTimeMillis();
                mLoadingMsgView.setAlpha(1);
            }
        }
    };

    private static int mDialogWidth = 500;
    private static int mDialogHeight = 600;
    private static int DIALOG_TOP_MARGIN = 8;
    private boolean mIsDialog = false;
    private boolean mIsPaused = true;
    private boolean mDismissOnResume = false;
    private int mX = -1;
    private int mY = -1;
    private int mMinTop;         // Dialog cannot be above this location
    private boolean mIsTabletConfig;
    private Activity mActivity;
    private Context mContext;

    private CalendarController mController;

    private void sendAccessibilityEventIfQueryDone(int token) {
        mCurrentQuery |= token;
        if (mCurrentQuery == TOKEN_QUERY_ALL) {
            sendAccessibilityEvent();
        }
    }

    public EventInfoFragment(Context context, Uri uri, long startMillis, long endMillis,
            int attendeeResponse, boolean isDialog, int windowStyle) {

        Resources r = context.getResources();
        if (mScale == 0) {
            mScale = context.getResources().getDisplayMetrics().density;
            if (mScale != 1) {
                mCustomAppIconSize *= mScale;
                if (isDialog) {
                    DIALOG_TOP_MARGIN *= mScale;
                }
            }
        }
        if (isDialog) {
            setDialogSize(r);
        }
        mIsDialog = isDialog;

        setStyle(DialogFragment.STYLE_NO_TITLE, 0);
        mUri = uri;
        mStartMillis = startMillis;
        mEndMillis = endMillis;
        mAttendeeResponseFromIntent = attendeeResponse;
        mWindowStyle = windowStyle;
    }

    // This is currently required by the fragment manager.
    public EventInfoFragment() {
    }

    public EventInfoFragment(Context context, long eventId, long startMillis, long endMillis,
            int attendeeResponse, boolean isDialog, int windowStyle) {
        this(context, ContentUris.withAppendedId(Events.CONTENT_URI, eventId), startMillis,
                endMillis, attendeeResponse, isDialog, windowStyle);
        mEventId = eventId;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        if (mIsDialog) {
            applyDialogParams();
        }

        final Activity activity = getActivity();
        mContext = activity;
    }

    private void applyDialogParams() {
        Dialog dialog = getDialog();
        dialog.setCanceledOnTouchOutside(true);

        Window window = dialog.getWindow();
        window.addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);

        WindowManager.LayoutParams a = window.getAttributes();
        a.dimAmount = .4f;

        a.width = mDialogWidth;
        a.height = mDialogHeight;


        // On tablets , do smart positioning of dialog
        // On phones , use the whole screen

        if (mX != -1 || mY != -1) {
            a.x = mX - mDialogWidth / 2;
            a.y = mY - mDialogHeight / 2;
            if (a.y < mMinTop) {
                a.y = mMinTop + DIALOG_TOP_MARGIN;
            }
            a.gravity = Gravity.LEFT | Gravity.TOP;
        }
        window.setAttributes(a);
    }

    public void setDialogParams(int x, int y, int minTop) {
        mX = x;
        mY = y;
        mMinTop = minTop;
    }

    // Implements OnCheckedChangeListener
    @Override
    public void onCheckedChanged(RadioGroup group, int checkedId) {
    }

    public void onNothingSelected(AdapterView<?> parent) {
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mController.deregisterEventHandler(R.layout.event_info);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        mActivity = activity;
        // Ensure that mIsTabletConfig is set before creating the menu.
        mIsTabletConfig = Utils.getConfigBool(mActivity, R.bool.tablet_config);
        mController = CalendarController.getInstance(mActivity);
        mController.registerEventHandler(R.layout.event_info, this);

        if (!mIsDialog) {
            setHasOptionsMenu(true);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        if (mWindowStyle == DIALOG_WINDOW_STYLE) {
            mView = inflater.inflate(R.layout.event_info_dialog, container, false);
        } else {
            mView = inflater.inflate(R.layout.event_info, container, false);
        }
        mScrollView = (ScrollView) mView.findViewById(R.id.event_info_scroll_view);
        mLoadingMsgView = mView.findViewById(R.id.event_info_loading_msg);
        mErrorMsgView = mView.findViewById(R.id.event_info_error_msg);
        mTitle = (TextView) mView.findViewById(R.id.title);
        mWhenDateTime = (TextView) mView.findViewById(R.id.when_datetime);
        mWhere = (TextView) mView.findViewById(R.id.where);
        mHeadlines = mView.findViewById(R.id.event_info_headline);

        mResponseRadioGroup = (RadioGroup) mView.findViewById(R.id.response_value);

        mAnimateAlpha = ObjectAnimator.ofFloat(mScrollView, "Alpha", 0, 1);
        mAnimateAlpha.setDuration(FADE_IN_TIME);
        mAnimateAlpha.addListener(new AnimatorListenerAdapter() {
            int defLayerType;

            @Override
            public void onAnimationStart(Animator animation) {
                // Use hardware layer for better performance during animation
                defLayerType = mScrollView.getLayerType();
                mScrollView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
                // Ensure that the loading message is gone before showing the
                // event info
                mLoadingMsgView.removeCallbacks(mLoadingMsgAlphaUpdater);
                mLoadingMsgView.setVisibility(View.GONE);
            }

            @Override
            public void onAnimationCancel(Animator animation) {
                mScrollView.setLayerType(defLayerType, null);
            }

            @Override
            public void onAnimationEnd(Animator animation) {
                mScrollView.setLayerType(defLayerType, null);
                // Do not cross fade after the first time
                mNoCrossFade = true;
            }
        });

        mLoadingMsgView.setAlpha(0);
        mScrollView.setAlpha(0);
        mErrorMsgView.setVisibility(View.INVISIBLE);
        mLoadingMsgView.postDelayed(mLoadingMsgAlphaUpdater, LOADING_MSG_DELAY);

        // Hide Edit/Delete buttons if in full screen mode on a phone
        if (!mIsDialog && !mIsTabletConfig || mWindowStyle == EventInfoFragment.FULL_WINDOW_STYLE) {
            mView.findViewById(R.id.event_info_buttons_container).setVisibility(View.GONE);
        }

        return mView;
    }

    private void updateTitle() {
        Resources res = getActivity().getResources();
        getActivity().setTitle(res.getString(R.string.event_info_title));
    }

    /**
     * Initializes the event cursor, which is expected to point to the first
     * (and only) result from a query.
     * @return false if the cursor is empty, true otherwise
     */
    private boolean initEventCursor() {
        if ((mEventCursor == null) || (mEventCursor.getCount() == 0)) {
            return false;
        }
        mEventCursor.moveToFirst();
        mEventId = mEventCursor.getInt(EVENT_INDEX_ID);
        String rRule = mEventCursor.getString(EVENT_INDEX_RRULE);
        // mHasAlarm will be true if it was saved in the event already.
        mHasAlarm = (mEventCursor.getInt(EVENT_INDEX_HAS_ALARM) == 1)? true : false;
        return true;
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        super.onCreateOptionsMenu(menu, inflater);
        // Show color/edit/delete buttons only in non-dialog configuration
        if (!mIsDialog && !mIsTabletConfig || mWindowStyle == EventInfoFragment.FULL_WINDOW_STYLE) {
            inflater.inflate(R.menu.event_info_title_bar, menu);
            mMenu = menu;
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        // If we're a dialog we don't want to handle menu buttons
        if (mIsDialog) {
            return false;
        }
        // Handles option menu selections:
        // Home button - close event info activity and start the main calendar
        // one
        // Edit button - start the event edit activity and close the info
        // activity
        // Delete button - start a delete query that calls a runnable that close
        // the info activity

        final int itemId = item.getItemId();
        if (itemId == android.R.id.home) {
            Utils.returnToCalendarHome(mContext);
            mActivity.finish();
            return true;
        } else if (itemId == R.id.info_action_edit) {
            mActivity.finish();
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onStop() {
        super.onStop();
    }

    @Override
    public void onDestroy() {
        if (mEventCursor != null) {
            mEventCursor.close();
        }
        if (mCalendarsCursor != null) {
            mCalendarsCursor.close();
        }
        super.onDestroy();
    }

    /**
     * Creates an exception to a recurring event.  The only change we're making is to the
     * "self attendee status" value.  The provider will take care of updating the corresponding
     * Attendees.attendeeStatus entry.
     *
     * @param eventId The recurring event.
     * @param status The new value for selfAttendeeStatus.
     */
    private void createExceptionResponse(long eventId, int status) {
        ContentValues values = new ContentValues();
        values.put(Events.ORIGINAL_INSTANCE_TIME, mStartMillis);
        values.put(Events.SELF_ATTENDEE_STATUS, status);
        values.put(Events.STATUS, Events.STATUS_CONFIRMED);

        ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>();
        Uri exceptionUri = Uri.withAppendedPath(Events.CONTENT_EXCEPTION_URI,
                String.valueOf(eventId));
        ops.add(ContentProviderOperation.newInsert(exceptionUri).withValues(values).build());
   }

    public static int getResponseFromButtonId(int buttonId) {
        return Attendees.ATTENDEE_STATUS_NONE;
    }

    public static int findButtonIdForResponse(int response) {
        return -1;
    }

    private void displayEventNotFound() {
        mErrorMsgView.setVisibility(View.VISIBLE);
        mScrollView.setVisibility(View.GONE);
        mLoadingMsgView.setVisibility(View.GONE);
    }

    private void updateEvent(View view) {
        if (mEventCursor == null || view == null) {
            return;
        }

        Context context = view.getContext();
        if (context == null) {
            return;
        }

        String eventName = mEventCursor.getString(EVENT_INDEX_TITLE);
        if (eventName == null || eventName.length() == 0) {
            eventName = getActivity().getString(R.string.no_title_label);
        }

        // 3rd parties might not have specified the start/end time when firing the
        // Events.CONTENT_URI intent.  Update these with values read from the db.
        if (mStartMillis == 0 && mEndMillis == 0) {
            mStartMillis = mEventCursor.getLong(EVENT_INDEX_DTSTART);
            mEndMillis = mEventCursor.getLong(EVENT_INDEX_DTEND);
            if (mEndMillis == 0) {
                String duration = mEventCursor.getString(EVENT_INDEX_DURATION);
                if (!TextUtils.isEmpty(duration)) {
                    try {
                        Duration d = new Duration();
                        d.parse(duration);
                        long endMillis = mStartMillis + d.getMillis();
                        if (endMillis >= mStartMillis) {
                            mEndMillis = endMillis;
                        } else {
                            Log.d(TAG, "Invalid duration string: " + duration);
                        }
                    } catch (DateException e) {
                        Log.d(TAG, "Error parsing duration string " + duration, e);
                    }
                }
                if (mEndMillis == 0) {
                    mEndMillis = mStartMillis;
                }
            }
        }

        mAllDay = mEventCursor.getInt(EVENT_INDEX_ALL_DAY) != 0;
        String location = mEventCursor.getString(EVENT_INDEX_EVENT_LOCATION);
        String description = mEventCursor.getString(EVENT_INDEX_DESCRIPTION);
        String rRule = mEventCursor.getString(EVENT_INDEX_RRULE);
        String eventTimezone = mEventCursor.getString(EVENT_INDEX_EVENT_TIMEZONE);

        mHeadlines.setBackgroundColor(mCurrentColor);

        // What
        if (eventName != null) {
            setTextCommon(view, R.id.title, eventName);
        }

        // When
        // Set the date and repeats (if any)
        String localTimezone = Utils.getTimeZone(mActivity, mTZUpdater);

        Resources resources = context.getResources();
        String displayedDatetime = Utils.getDisplayedDatetime(mStartMillis, mEndMillis,
                System.currentTimeMillis(), localTimezone, mAllDay, context);

        String displayedTimezone = null;
        if (!mAllDay) {
            displayedTimezone = Utils.getDisplayedTimezone(mStartMillis, localTimezone,
                    eventTimezone);
        }
        // Display the datetime.  Make the timezone (if any) transparent.
        if (displayedTimezone == null) {
            setTextCommon(view, R.id.when_datetime, displayedDatetime);
        } else {
            int timezoneIndex = displayedDatetime.length();
            displayedDatetime += "  " + displayedTimezone;
            SpannableStringBuilder sb = new SpannableStringBuilder(displayedDatetime);
            ForegroundColorSpan transparentColorSpan = new ForegroundColorSpan(
                    resources.getColor(R.color.event_info_headline_transparent_color));
            sb.setSpan(transparentColorSpan, timezoneIndex, displayedDatetime.length(),
                    Spannable.SPAN_INCLUSIVE_INCLUSIVE);
            setTextCommon(view, R.id.when_datetime, sb);
        }

        view.findViewById(R.id.when_repeat).setVisibility(View.GONE);

        // Organizer view is setup in the updateCalendar method


        // Where
        if (location == null || location.trim().length() == 0) {
            setVisibilityCommon(view, R.id.where, View.GONE);
        } else {
            final TextView textView = mWhere;
            if (textView != null) {
                textView.setText(location.trim());
            }
        }

        // Launch Custom App
        if (Utils.isJellybeanOrLater()) {
            updateCustomAppButton();
        }
    }

    private void updateCustomAppButton() {
        setVisibilityCommon(mView, R.id.launch_custom_app_container, View.GONE);
        return;
    }

    private void sendAccessibilityEvent() {
        AccessibilityManager am =
            (AccessibilityManager) getActivity().getSystemService(Service.ACCESSIBILITY_SERVICE);
        if (!am.isEnabled()) {
            return;
        }

        AccessibilityEvent event = AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_FOCUSED);
        event.setClassName(EventInfoFragment.class.getName());
        event.setPackageName(getActivity().getPackageName());
        List<CharSequence> text = event.getText();

        if (mResponseRadioGroup.getVisibility() == View.VISIBLE) {
            int id = mResponseRadioGroup.getCheckedRadioButtonId();
            if (id != View.NO_ID) {
                text.add(((TextView) getView().findViewById(R.id.response_label)).getText());
                text.add((((RadioButton) (mResponseRadioGroup.findViewById(id)))
                        .getText() + PERIOD_SPACE));
            }
        }

        am.sendAccessibilityEvent(event);
    }

    private void updateCalendar(View view) {

        mCalendarOwnerAccount = "";
        if (mCalendarsCursor != null && mEventCursor != null) {
            mCalendarsCursor.moveToFirst();
            String tempAccount = mCalendarsCursor.getString(CALENDARS_INDEX_OWNER_ACCOUNT);
            mCalendarOwnerAccount = (tempAccount == null) ? "" : tempAccount;
            mOwnerCanRespond = mCalendarsCursor.getInt(CALENDARS_INDEX_OWNER_CAN_RESPOND) != 0;
            mSyncAccountName = mCalendarsCursor.getString(CALENDARS_INDEX_ACCOUNT_NAME);

            setVisibilityCommon(view, R.id.organizer_container, View.GONE);
            mIsBusyFreeCalendar =
                    mEventCursor.getInt(EVENT_INDEX_ACCESS_LEVEL) == Calendars.CAL_ACCESS_FREEBUSY;

            if (!mIsBusyFreeCalendar) {

                View b = mView.findViewById(R.id.edit);
                b.setEnabled(true);
                b.setOnClickListener(new OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        // For dialogs, just close the fragment
                        // For full screen, close activity on phone, leave it for tablet
                        if (mIsDialog) {
                            EventInfoFragment.this.dismiss();
                        }
                        else if (!mIsTabletConfig){
                            getActivity().finish();
                        }
                    }
                });
            }
            View button;
            if ((!mIsDialog && !mIsTabletConfig ||
                    mWindowStyle == EventInfoFragment.FULL_WINDOW_STYLE) && mMenu != null) {
                mActivity.invalidateOptionsMenu();
            }
        } else {
            setVisibilityCommon(view, R.id.calendar, View.GONE);
            sendAccessibilityEventIfQueryDone(TOKEN_QUERY_DUPLICATE_CALENDARS);
        }
    }

    private void setTextCommon(View view, int id, CharSequence text) {
        TextView textView = (TextView) view.findViewById(id);
        if (textView == null)
            return;
        textView.setText(text);
    }

    private void setVisibilityCommon(View view, int id, int visibility) {
        View v = view.findViewById(id);
        if (v != null) {
            v.setVisibility(visibility);
        }
        return;
    }

    @Override
    public void onPause() {
        mIsPaused = true;
        super.onPause();
    }

    @Override
    public void onResume() {
        super.onResume();
        if (mIsDialog) {
            setDialogSize(getActivity().getResources());
            applyDialogParams();
        }
        mIsPaused = false;
        if (mTentativeUserSetResponse != Attendees.ATTENDEE_STATUS_NONE) {
            int buttonId = findButtonIdForResponse(mTentativeUserSetResponse);
            mResponseRadioGroup.check(buttonId);
        }
    }

    @Override
    public void eventsChanged() {
    }

    @Override
    public long getSupportedEventTypes() {
        return EventType.EVENTS_CHANGED;
    }

    @Override
    public void handleEvent(EventInfo event) {
        reloadEvents();
    }

    public void reloadEvents() {
    }

    @Override
    public void onClick(View view) {
    }

    public long getEventId() {
        return mEventId;
    }

    public long getStartMillis() {
        return mStartMillis;
    }
    public long getEndMillis() {
        return mEndMillis;
    }
    private void setDialogSize(Resources r) {
        mDialogWidth = (int)r.getDimension(R.dimen.event_info_dialog_width);
        mDialogHeight = (int)r.getDimension(R.dimen.event_info_dialog_height);
    }
}