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/*
* Copyright (C) 2014 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.systemui.statusbar.notification.stack;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.content.Context;
import android.util.MathUtils;
import android.view.View;
import com.android.systemui.Dependency;
import com.android.systemui.R;
import com.android.systemui.statusbar.AmbientPulseManager;
import com.android.systemui.statusbar.NotificationShelf;
import com.android.systemui.statusbar.StatusBarState;
import com.android.systemui.statusbar.notification.collection.NotificationEntry;
import com.android.systemui.statusbar.notification.row.ActivatableNotificationView;
import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
import com.android.systemui.statusbar.notification.row.ExpandableView;
import com.android.systemui.statusbar.notification.stack.StackScrollAlgorithm.SectionProvider;
import java.util.ArrayList;
/**
* A global state to track all input states for the algorithm.
*/
public class AmbientState {
private static final float MAX_PULSE_HEIGHT = 100000f;
private final SectionProvider mSectionProvider;
private ArrayList<ExpandableView> mDraggedViews = new ArrayList<>();
private int mScrollY;
private int mAnchorViewIndex;
private int mAnchorViewY;
private boolean mDimmed;
private ActivatableNotificationView mActivatedChild;
private float mOverScrollTopAmount;
private float mOverScrollBottomAmount;
private int mSpeedBumpIndex = -1;
private boolean mDark;
private boolean mHideSensitive;
private AmbientPulseManager mAmbientPulseManager = Dependency.get(AmbientPulseManager.class);
private float mStackTranslation;
private int mLayoutHeight;
private int mTopPadding;
private boolean mShadeExpanded;
private float mMaxHeadsUpTranslation;
private boolean mDismissAllInProgress;
private int mLayoutMinHeight;
private NotificationShelf mShelf;
private int mZDistanceBetweenElements;
private int mBaseZHeight;
private int mMaxLayoutHeight;
private ActivatableNotificationView mLastVisibleBackgroundChild;
private float mCurrentScrollVelocity;
private int mStatusBarState;
private float mExpandingVelocity;
private boolean mPanelTracking;
private boolean mExpansionChanging;
private boolean mPanelFullWidth;
private boolean mPulsing;
private boolean mUnlockHintRunning;
private boolean mQsCustomizerShowing;
private int mIntrinsicPadding;
private int mExpandAnimationTopChange;
private ExpandableNotificationRow mExpandingNotification;
private float mDarkAmount;
private boolean mAppearing;
private float mPulseHeight = MAX_PULSE_HEIGHT;
private float mDozeAmount = 0.0f;
public AmbientState(
Context context,
@NonNull SectionProvider sectionProvider) {
mSectionProvider = sectionProvider;
reload(context);
}
/**
* Reload the dimens e.g. if the density changed.
*/
public void reload(Context context) {
mZDistanceBetweenElements = getZDistanceBetweenElements(context);
mBaseZHeight = getBaseHeight(mZDistanceBetweenElements);
}
private static int getZDistanceBetweenElements(Context context) {
return Math.max(1, context.getResources()
.getDimensionPixelSize(R.dimen.z_distance_between_notifications));
}
private static int getBaseHeight(int zdistanceBetweenElements) {
return 4 * zdistanceBetweenElements;
}
/**
* @return the launch height for notifications that are launched
*/
public static int getNotificationLaunchHeight(Context context) {
int zDistance = getZDistanceBetweenElements(context);
return getBaseHeight(zDistance) * 2;
}
/**
* @return the basic Z height on which notifications remain.
*/
public int getBaseZHeight() {
return mBaseZHeight;
}
/**
* @return the distance in Z between two overlaying notifications.
*/
public int getZDistanceBetweenElements() {
return mZDistanceBetweenElements;
}
public int getScrollY() {
return mScrollY;
}
public void setScrollY(int scrollY) {
this.mScrollY = scrollY;
}
/**
* Index of the child view whose Y position on screen is returned by {@link #getAnchorViewY()}.
* Other views are laid out outwards from this view in both directions.
*/
public int getAnchorViewIndex() {
return mAnchorViewIndex;
}
public void setAnchorViewIndex(int anchorViewIndex) {
mAnchorViewIndex = anchorViewIndex;
}
/** Current Y position of the view at {@link #getAnchorViewIndex()}. */
public int getAnchorViewY() {
return mAnchorViewY;
}
public void setAnchorViewY(int anchorViewY) {
mAnchorViewY = anchorViewY;
}
/** Call when dragging begins. */
public void onBeginDrag(ExpandableView view) {
mDraggedViews.add(view);
}
public void onDragFinished(View view) {
mDraggedViews.remove(view);
}
public ArrayList<ExpandableView> getDraggedViews() {
return mDraggedViews;
}
/**
* @param dimmed Whether we are in a dimmed state (on the lockscreen), where the backgrounds are
* translucent and everything is scaled back a bit.
*/
public void setDimmed(boolean dimmed) {
mDimmed = dimmed;
}
/** In dark mode, we draw as little as possible, assuming a black background */
public void setDark(boolean dark) {
mDark = dark;
}
/** Dark ratio of the status bar **/
public void setDarkAmount(float darkAmount) {
if (darkAmount == 1.0f && mDarkAmount != darkAmount) {
// Whenever we are fully dark, let's reset the pulseHeight again
mPulseHeight = MAX_PULSE_HEIGHT;
}
mDarkAmount = darkAmount;
}
/** Returns the dark ratio of the status bar */
public float getDarkAmount() {
return mDarkAmount;
}
public void setHideSensitive(boolean hideSensitive) {
mHideSensitive = hideSensitive;
}
/**
* In dimmed mode, a child can be activated, which happens on the first tap of the double-tap
* interaction. This child is then scaled normally and its background is fully opaque.
*/
public void setActivatedChild(ActivatableNotificationView activatedChild) {
mActivatedChild = activatedChild;
}
public boolean isDimmed() {
// While we are expanding from pulse, we want the notifications not to be dimmed, otherwise
// you'd see the difference to the pulsing notification
return mDimmed && !(isPulseExpanding() && mDozeAmount == 1.0f);
}
public boolean isDark() {
return mDark;
}
public boolean isHideSensitive() {
return mHideSensitive;
}
public ActivatableNotificationView getActivatedChild() {
return mActivatedChild;
}
public void setOverScrollAmount(float amount, boolean onTop) {
if (onTop) {
mOverScrollTopAmount = amount;
} else {
mOverScrollBottomAmount = amount;
}
}
public float getOverScrollAmount(boolean top) {
return top ? mOverScrollTopAmount : mOverScrollBottomAmount;
}
public int getSpeedBumpIndex() {
return mSpeedBumpIndex;
}
public void setSpeedBumpIndex(int shelfIndex) {
mSpeedBumpIndex = shelfIndex;
}
public SectionProvider getSectionProvider() {
return mSectionProvider;
}
public float getStackTranslation() {
return mStackTranslation;
}
public void setStackTranslation(float stackTranslation) {
mStackTranslation = stackTranslation;
}
public void setLayoutHeight(int layoutHeight) {
mLayoutHeight = layoutHeight;
}
public float getTopPadding() {
return mTopPadding;
}
public void setTopPadding(int topPadding) {
mTopPadding = topPadding;
}
public int getInnerHeight() {
return getInnerHeight(false /* ignorePulseHeight */);
}
/**
* @param ignorePulseHeight ignore the pulse height for this request
* @return the inner height of the algorithm.
*/
public int getInnerHeight(boolean ignorePulseHeight) {
if (mDozeAmount == 1.0f && !isPulseExpanding()) {
return mShelf.getHeight();
}
int height = Math.max(mLayoutMinHeight,
Math.min(mLayoutHeight, mMaxLayoutHeight) - mTopPadding);
if (ignorePulseHeight) {
return height;
}
float pulseHeight = Math.min(mPulseHeight, (float) height);
return (int) MathUtils.lerp(height, pulseHeight, mDozeAmount);
}
public boolean isPulseExpanding() {
return mPulseHeight != MAX_PULSE_HEIGHT && mDozeAmount != 0.0f && mDarkAmount != 1.0f;
}
public boolean isShadeExpanded() {
return mShadeExpanded;
}
public void setShadeExpanded(boolean shadeExpanded) {
mShadeExpanded = shadeExpanded;
}
public void setMaxHeadsUpTranslation(float maxHeadsUpTranslation) {
mMaxHeadsUpTranslation = maxHeadsUpTranslation;
}
public float getMaxHeadsUpTranslation() {
return mMaxHeadsUpTranslation;
}
public void setDismissAllInProgress(boolean dismissAllInProgress) {
mDismissAllInProgress = dismissAllInProgress;
}
public boolean isDismissAllInProgress() {
return mDismissAllInProgress;
}
public void setLayoutMinHeight(int layoutMinHeight) {
mLayoutMinHeight = layoutMinHeight;
}
public void setShelf(NotificationShelf shelf) {
mShelf = shelf;
}
@Nullable
public NotificationShelf getShelf() {
return mShelf;
}
public void setLayoutMaxHeight(int maxLayoutHeight) {
mMaxLayoutHeight = maxLayoutHeight;
}
/**
* Sets the last visible view of the host layout, that has a background, i.e the very last
* view in the shade, without the clear all button.
*/
public void setLastVisibleBackgroundChild(
ActivatableNotificationView lastVisibleBackgroundChild) {
mLastVisibleBackgroundChild = lastVisibleBackgroundChild;
}
public ActivatableNotificationView getLastVisibleBackgroundChild() {
return mLastVisibleBackgroundChild;
}
public void setCurrentScrollVelocity(float currentScrollVelocity) {
mCurrentScrollVelocity = currentScrollVelocity;
}
public float getCurrentScrollVelocity() {
return mCurrentScrollVelocity;
}
public boolean isOnKeyguard() {
return mStatusBarState == StatusBarState.KEYGUARD;
}
public void setStatusBarState(int statusBarState) {
mStatusBarState = statusBarState;
}
public void setExpandingVelocity(float expandingVelocity) {
mExpandingVelocity = expandingVelocity;
}
public void setExpansionChanging(boolean expansionChanging) {
mExpansionChanging = expansionChanging;
}
public boolean isExpansionChanging() {
return mExpansionChanging;
}
public float getExpandingVelocity() {
return mExpandingVelocity;
}
public void setPanelTracking(boolean panelTracking) {
mPanelTracking = panelTracking;
}
public boolean hasPulsingNotifications() {
return mPulsing && mAmbientPulseManager != null
&& mAmbientPulseManager.hasNotifications();
}
public void setPulsing(boolean hasPulsing) {
mPulsing = hasPulsing;
}
/**
* @return if we're pulsing in general
*/
public boolean isPulsing() {
return mPulsing;
}
public boolean isPulsing(NotificationEntry entry) {
if (!mPulsing || mAmbientPulseManager == null) {
return false;
}
return mAmbientPulseManager.isAlerting(entry.key);
}
public boolean isPanelTracking() {
return mPanelTracking;
}
public boolean isPanelFullWidth() {
return mPanelFullWidth;
}
public void setPanelFullWidth(boolean panelFullWidth) {
mPanelFullWidth = panelFullWidth;
}
public void setUnlockHintRunning(boolean unlockHintRunning) {
mUnlockHintRunning = unlockHintRunning;
}
public boolean isUnlockHintRunning() {
return mUnlockHintRunning;
}
public boolean isQsCustomizerShowing() {
return mQsCustomizerShowing;
}
public void setQsCustomizerShowing(boolean qsCustomizerShowing) {
mQsCustomizerShowing = qsCustomizerShowing;
}
public void setIntrinsicPadding(int intrinsicPadding) {
mIntrinsicPadding = intrinsicPadding;
}
public int getIntrinsicPadding() {
return mIntrinsicPadding;
}
/**
* @return whether a view is dozing and not pulsing right now
*/
public boolean isDozingAndNotPulsing(ExpandableView view) {
if (view instanceof ExpandableNotificationRow) {
return isDozingAndNotPulsing((ExpandableNotificationRow) view);
}
return false;
}
/**
* @return whether a row is dozing and not pulsing right now
*/
public boolean isDozingAndNotPulsing(ExpandableNotificationRow row) {
return isDark() && !isPulsing(row.getEntry());
}
public void setExpandAnimationTopChange(int expandAnimationTopChange) {
mExpandAnimationTopChange = expandAnimationTopChange;
}
public void setExpandingNotification(ExpandableNotificationRow row) {
mExpandingNotification = row;
}
public ExpandableNotificationRow getExpandingNotification() {
return mExpandingNotification;
}
public int getExpandAnimationTopChange() {
return mExpandAnimationTopChange;
}
/**
* @return {@code true } when shade is completely dark: in AOD or ambient display.
*/
public boolean isFullyDark() {
return mDarkAmount == 1;
}
public boolean isDarkAtAll() {
return mDarkAmount != 0;
}
public void setAppearing(boolean appearing) {
mAppearing = appearing;
}
public boolean isAppearing() {
return mAppearing;
}
public void setPulseHeight(float height) {
mPulseHeight = height;
}
public void setDozeAmount(float dozeAmount) {
if (dozeAmount != mDozeAmount) {
mDozeAmount = dozeAmount;
if (dozeAmount == 0.0f || dozeAmount == 1.0f) {
// We woke all the way up, let's reset the pulse height
mPulseHeight = MAX_PULSE_HEIGHT;
}
}
}
/**
* Is the device fully awake, which is different from not tark at all when there are pulsing
* notifications.
*/
public boolean isFullyAwake() {
return mDozeAmount == 0.0f;
}
}