1 /*
2  * Copyright (C) 2018 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 package com.android.systemui.recents;
17 
18 import android.content.Context;
19 import android.content.res.Configuration;
20 import android.graphics.Rect;
21 
22 import java.io.PrintWriter;
23 
24 /**
25  * API for creating a Recents view.
26  */
27 public interface RecentsImplementation {
onStart(Context context)28     default void onStart(Context context) {}
onBootCompleted()29     default void onBootCompleted() {}
onAppTransitionFinished()30     default void onAppTransitionFinished() {}
onConfigurationChanged(Configuration newConfig)31     default void onConfigurationChanged(Configuration newConfig) {}
32 
preloadRecentApps()33     default void preloadRecentApps() {}
cancelPreloadRecentApps()34     default void cancelPreloadRecentApps() {}
showRecentApps(boolean triggeredFromAltTab)35     default void showRecentApps(boolean triggeredFromAltTab) {}
hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHomeKey)36     default void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {}
toggleRecentApps()37     default void toggleRecentApps() {}
growRecents()38     default void growRecents() {}
splitPrimaryTask(int stackCreateMode, Rect initialBounds, int metricsDockAction)39     default boolean splitPrimaryTask(int stackCreateMode, Rect initialBounds,
40             int metricsDockAction) {
41         return false;
42     }
43 
dump(PrintWriter pw)44     default void dump(PrintWriter pw) {}
45 }
46