1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.statusbar.phone; 18 19 import android.annotation.NonNull; 20 import android.content.Context; 21 import android.content.res.Configuration; 22 import android.content.res.Resources; 23 import android.graphics.Rect; 24 import android.view.View; 25 import android.view.ViewTreeObserver; 26 import android.view.ViewTreeObserver.OnComputeInternalInsetsListener; 27 28 import com.android.systemui.Dependency; 29 import com.android.systemui.assist.AssistManager; 30 import com.android.systemui.bubbles.BubbleController; 31 import com.android.systemui.statusbar.policy.ConfigurationController; 32 import com.android.systemui.statusbar.policy.ConfigurationController.ConfigurationListener; 33 34 /** 35 * Manages what parts of the status bar are touchable. Clients are primarily UI that displays in the 36 * status bar even though the UI doesn't look like part of the status bar. 37 */ 38 public final class StatusBarTouchableRegionManager implements 39 OnComputeInternalInsetsListener, ConfigurationListener { 40 41 private final AssistManager mAssistManager = Dependency.get(AssistManager.class); 42 private final BubbleController mBubbleController = Dependency.get(BubbleController.class); 43 private final Context mContext; 44 private final HeadsUpManagerPhone mHeadsUpManager; 45 private boolean mIsStatusBarExpanded = false; 46 private boolean mShouldAdjustInsets = false; 47 private final StatusBar mStatusBar; 48 private int mStatusBarHeight; 49 private final View mStatusBarWindowView; 50 private boolean mForceCollapsedUntilLayout = false; 51 StatusBarTouchableRegionManager(@onNull Context context, HeadsUpManagerPhone headsUpManager, @NonNull StatusBar statusBar, @NonNull View statusBarWindowView)52 public StatusBarTouchableRegionManager(@NonNull Context context, 53 HeadsUpManagerPhone headsUpManager, 54 @NonNull StatusBar statusBar, 55 @NonNull View statusBarWindowView) { 56 mContext = context; 57 mHeadsUpManager = headsUpManager; 58 mStatusBar = statusBar; 59 mStatusBarWindowView = statusBarWindowView; 60 61 initResources(); 62 63 mBubbleController.setBubbleStateChangeListener((hasBubbles) -> { 64 updateTouchableRegion(); 65 }); 66 Dependency.get(ConfigurationController.class).addCallback(this); 67 } 68 69 /** 70 * Set the touchable portion of the status bar based on what elements are visible. 71 */ updateTouchableRegion()72 public void updateTouchableRegion() { 73 boolean hasCutoutInset = (mStatusBarWindowView != null) 74 && (mStatusBarWindowView.getRootWindowInsets() != null) 75 && (mStatusBarWindowView.getRootWindowInsets().getDisplayCutout() != null); 76 boolean shouldObserve = 77 mHeadsUpManager.hasPinnedHeadsUp() || mHeadsUpManager.isHeadsUpGoingAway() 78 || mBubbleController.hasBubbles() 79 || mForceCollapsedUntilLayout 80 || hasCutoutInset; 81 if (shouldObserve == mShouldAdjustInsets) { 82 return; 83 } 84 85 if (shouldObserve) { 86 mStatusBarWindowView.getViewTreeObserver().addOnComputeInternalInsetsListener(this); 87 mStatusBarWindowView.requestLayout(); 88 } else { 89 mStatusBarWindowView.getViewTreeObserver().removeOnComputeInternalInsetsListener(this); 90 } 91 mShouldAdjustInsets = shouldObserve; 92 } 93 94 /** 95 * Calls {@code updateTouchableRegion()} after a layout pass completes. 96 */ updateTouchableRegionAfterLayout()97 public void updateTouchableRegionAfterLayout() { 98 mForceCollapsedUntilLayout = true; 99 mStatusBarWindowView.addOnLayoutChangeListener(new View.OnLayoutChangeListener() { 100 @Override 101 public void onLayoutChange(View v, int left, int top, int right, int bottom, 102 int oldLeft, 103 int oldTop, int oldRight, int oldBottom) { 104 if (mStatusBarWindowView.getHeight() <= mStatusBarHeight) { 105 mStatusBarWindowView.removeOnLayoutChangeListener(this); 106 mForceCollapsedUntilLayout = false; 107 updateTouchableRegion(); 108 } 109 } 110 }); 111 } 112 113 /** 114 * Notify that the status bar panel gets expanded or collapsed. 115 * 116 * @param isExpanded True to notify expanded, false to notify collapsed. 117 */ setIsStatusBarExpanded(boolean isExpanded)118 public void setIsStatusBarExpanded(boolean isExpanded) { 119 if (isExpanded != mIsStatusBarExpanded) { 120 mIsStatusBarExpanded = isExpanded; 121 if (isExpanded) { 122 // make sure our state is sane 123 mForceCollapsedUntilLayout = false; 124 } 125 updateTouchableRegion(); 126 } 127 } 128 129 @Override onComputeInternalInsets(ViewTreeObserver.InternalInsetsInfo info)130 public void onComputeInternalInsets(ViewTreeObserver.InternalInsetsInfo info) { 131 if (mIsStatusBarExpanded || mStatusBar.isBouncerShowing()) { 132 // The touchable region is always the full area when expanded 133 return; 134 } 135 136 mHeadsUpManager.updateTouchableRegion(info); 137 138 Rect bubbleRect = mBubbleController.getTouchableRegion(); 139 if (bubbleRect != null) { 140 info.touchableRegion.union(bubbleRect); 141 } 142 } 143 144 @Override onConfigChanged(Configuration newConfig)145 public void onConfigChanged(Configuration newConfig) { 146 initResources(); 147 } 148 149 @Override onDensityOrFontScaleChanged()150 public void onDensityOrFontScaleChanged() { 151 initResources(); 152 } 153 154 @Override onOverlayChanged()155 public void onOverlayChanged() { 156 initResources(); 157 } 158 initResources()159 private void initResources() { 160 Resources resources = mContext.getResources(); 161 mStatusBarHeight = resources.getDimensionPixelSize( 162 com.android.internal.R.dimen.status_bar_height); 163 } 164 } 165