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.test.taskembed; 18 19 import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW; 20 import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED; 21 22 import android.app.ActivityOptions; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.graphics.Rect; 26 import android.os.Bundle; 27 import android.view.SurfaceControl; 28 import android.view.SurfaceHolder; 29 import android.view.SurfaceView; 30 import android.window.WindowContainerToken; 31 import android.window.WindowContainerTransaction; 32 33 /** 34 * Simple SurfaceView wrapper which registers a TaskOrganizer 35 * after it's Surface is ready. 36 */ 37 class TaskView extends SurfaceView { 38 private WindowContainerToken mWc; 39 private Context mContext; 40 private SurfaceControl mLeash; 41 private TaskOrganizerMultiWindowTest.Organizer mOrganizer; 42 private Intent mIntent; 43 private boolean mLaunched = false; 44 TaskView(Context c, TaskOrganizerMultiWindowTest.Organizer organizer, Intent intent)45 TaskView(Context c, TaskOrganizerMultiWindowTest.Organizer organizer, 46 Intent intent) { 47 super(c); 48 mContext = c; 49 mOrganizer = organizer; 50 mIntent = intent; 51 getHolder().addCallback( 52 new SurfaceHolder.Callback() { 53 @Override 54 public void surfaceCreated(SurfaceHolder holder) {} 55 56 @Override 57 public void surfaceChanged(SurfaceHolder holder, 58 int format, int width, int height) { 59 if (!mLaunched) { 60 launchOrganizedActivity(mIntent, width, height); 61 mLaunched = true; 62 } else { 63 resizeTask(width, height); 64 } 65 } 66 67 @Override 68 public void surfaceDestroyed(SurfaceHolder holder) {} 69 } 70 ); 71 setZOrderOnTop(true); 72 } 73 launchOrganizedActivity(Intent i, int width, int height)74 private void launchOrganizedActivity(Intent i, int width, int height) { 75 mContext.startActivity(i, makeLaunchOptions(width, height)); 76 } 77 makeLaunchOptions(int width, int height)78 private Bundle makeLaunchOptions(int width, int height) { 79 ActivityOptions o = ActivityOptions.makeBasic(); 80 o.setLaunchWindowingMode(WINDOWING_MODE_MULTI_WINDOW); 81 o.setLaunchBounds(new Rect(0, 0, width, height)); 82 o.setTaskOverlay(true, true); 83 o.setTaskAlwaysOnTop(true); 84 return o.toBundle(); 85 } 86 resizeTask(int width, int height)87 void resizeTask(int width, int height) { 88 final WindowContainerTransaction wct = new WindowContainerTransaction(); 89 wct.setBounds(mWc, new Rect(0, 0, width, height)).setHidden(mWc, false); 90 try { 91 mOrganizer.applySyncTransaction(wct, mOrganizer.mTransactionCallback); 92 } catch (Exception e) { 93 // Oh well 94 } 95 } 96 hideTask()97 void hideTask() { 98 if (mWc == null) { 99 return; 100 } 101 final WindowContainerTransaction wct = new WindowContainerTransaction(); 102 wct.setWindowingMode(mWc, WINDOWING_MODE_UNDEFINED).setHidden(mWc, true); 103 try { 104 mOrganizer.applySyncTransaction(wct, mOrganizer.mTransactionCallback); 105 } catch (Exception e) { 106 // Oh well 107 } 108 releaseLeash(); 109 } 110 reparentTask(WindowContainerToken wc, SurfaceControl leash)111 void reparentTask(WindowContainerToken wc, SurfaceControl leash) { 112 mWc = wc; 113 mLeash = leash; 114 reparentLeash(); 115 } 116 reparentLeash()117 void reparentLeash() { 118 SurfaceControl.Transaction t = new SurfaceControl.Transaction(); 119 t.reparent(mLeash, getSurfaceControl()) 120 .show(mLeash) 121 .apply(); 122 } 123 releaseLeash()124 void releaseLeash() { 125 SurfaceControl.Transaction t = new SurfaceControl.Transaction(); 126 t.remove(mLeash).apply(); 127 } 128 } 129