1 /*
2  * Copyright (C) 2020 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.wm;
18 
19 import static android.view.WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE;
20 
21 import android.annotation.NonNull;
22 import android.os.Handler;
23 import android.os.IBinder;
24 import android.view.InsetsController;
25 import android.view.SurfaceControl;
26 import android.view.SyncRtSurfaceTransactionApplier;
27 import android.view.WindowInsets;
28 import android.view.WindowInsetsAnimation;
29 import android.view.WindowInsetsController;
30 import android.view.inputmethod.InputMethodManager;
31 
32 import java.util.List;
33 import java.util.function.Consumer;
34 
35 /**
36  * Implements {@link InsetsController.Host} for usage by
37  * {@link DisplaySystemBarsController.PerDisplay} instances in {@link DisplaySystemBarsController}.
38  * @hide
39  */
40 public class DisplaySystemBarsInsetsControllerHost implements InsetsController.Host {
41 
42     private static final String TAG = DisplaySystemBarsInsetsControllerHost.class.getSimpleName();
43 
44     private final Handler mHandler;
45     private final float[] mTmpFloat9 = new float[9];
46     private final Consumer<Integer> mRequestedVisibleTypesCallback;
47     private final InputMethodManager mInputMethodManager;
48 
DisplaySystemBarsInsetsControllerHost(Handler handler, Consumer<Integer> requestedVisibleTypesCallback, InputMethodManager inputMethodManager)49     public DisplaySystemBarsInsetsControllerHost(Handler handler,
50             Consumer<Integer> requestedVisibleTypesCallback,
51             InputMethodManager inputMethodManager) {
52         mHandler = handler;
53         mRequestedVisibleTypesCallback = requestedVisibleTypesCallback;
54         mInputMethodManager = inputMethodManager;
55     }
56 
57     @Override
getHandler()58     public Handler getHandler() {
59         return mHandler;
60     }
61 
62     @Override
notifyInsetsChanged()63     public void notifyInsetsChanged() {
64         // no-op
65     }
66 
67     @Override
dispatchWindowInsetsAnimationPrepare(@onNull WindowInsetsAnimation animation)68     public void dispatchWindowInsetsAnimationPrepare(@NonNull WindowInsetsAnimation animation) {
69         // no-op
70     }
71 
72     @Override
dispatchWindowInsetsAnimationStart( @onNull WindowInsetsAnimation animation, @NonNull WindowInsetsAnimation.Bounds bounds)73     public WindowInsetsAnimation.Bounds dispatchWindowInsetsAnimationStart(
74             @NonNull WindowInsetsAnimation animation,
75             @NonNull WindowInsetsAnimation.Bounds bounds) {
76         return null;
77     }
78 
79     @Override
dispatchWindowInsetsAnimationProgress(@onNull WindowInsets insets, @NonNull List<WindowInsetsAnimation> runningAnimations)80     public WindowInsets dispatchWindowInsetsAnimationProgress(@NonNull WindowInsets insets,
81             @NonNull List<WindowInsetsAnimation> runningAnimations) {
82         return null;
83     }
84 
85     @Override
dispatchWindowInsetsAnimationEnd(@onNull WindowInsetsAnimation animation)86     public void dispatchWindowInsetsAnimationEnd(@NonNull WindowInsetsAnimation animation) {
87         // no-op
88     }
89 
90     @Override
applySurfaceParams(final SyncRtSurfaceTransactionApplier.SurfaceParams... params)91     public void applySurfaceParams(final SyncRtSurfaceTransactionApplier.SurfaceParams... params) {
92         for (int i = params.length - 1; i >= 0; i--) {
93             SyncRtSurfaceTransactionApplier.applyParams(
94                     new SurfaceControl.Transaction(), params[i], mTmpFloat9);
95         }
96 
97     }
98 
99     @Override
updateRequestedVisibleTypes(@indowInsets.Type.InsetsType int types)100     public void updateRequestedVisibleTypes(@WindowInsets.Type.InsetsType int types) {
101         mRequestedVisibleTypesCallback.accept(types);
102     }
103 
104     @Override
hasAnimationCallbacks()105     public boolean hasAnimationCallbacks() {
106         return false;
107     }
108 
109     @Override
setSystemBarsAppearance( @indowInsetsController.Appearance int appearance, @WindowInsetsController.Appearance int mask)110     public void setSystemBarsAppearance(
111             @WindowInsetsController.Appearance int appearance,
112             @WindowInsetsController.Appearance int mask) {
113         // no-op
114     }
115 
116     @Override
getSystemBarsAppearance()117     public @WindowInsetsController.Appearance int getSystemBarsAppearance() {
118         return 0;
119     }
120 
121     @Override
setSystemBarsBehavior(@indowInsetsController.Behavior int behavior)122     public void setSystemBarsBehavior(@WindowInsetsController.Behavior int behavior) {
123         // no-op
124     }
125 
126     @Override
getSystemBarsBehavior()127     public @WindowInsetsController.Behavior int getSystemBarsBehavior() {
128         return BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE;
129     }
130 
131     @Override
releaseSurfaceControlFromRt(SurfaceControl surfaceControl)132     public void releaseSurfaceControlFromRt(SurfaceControl surfaceControl) {
133         surfaceControl.release();
134     }
135 
136     @Override
addOnPreDrawRunnable(Runnable r)137     public void addOnPreDrawRunnable(Runnable r) {
138         mHandler.post(r);
139     }
140 
141     @Override
postInsetsAnimationCallback(Runnable r)142     public void postInsetsAnimationCallback(Runnable r) {
143         mHandler.post(r);
144     }
145 
146     @Override
getInputMethodManager()147     public InputMethodManager getInputMethodManager() {
148         return mInputMethodManager;
149     }
150 
151     @Override
getRootViewTitle()152     public String getRootViewTitle() {
153         return null;
154     }
155 
156     @Override
dipToPx(int dips)157     public int dipToPx(int dips) {
158         return 0;
159     }
160 
161     @Override
getWindowToken()162     public IBinder getWindowToken() {
163         return null;
164     }
165 }
166