1 /* 2 * Copyright (C) 2016 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.recents; 18 19 import android.graphics.Rect; 20 import android.os.Handler; 21 import android.os.Message; 22 import android.os.RemoteException; 23 24 import com.android.internal.os.SomeArgs; 25 26 /** 27 * A proxy class which directs all methods from {@link IRecentsNonSystemUserCallbacks} to 28 * {@link RecentsImpl} and makes sure they are called from the main thread. 29 */ 30 public class RecentsImplProxy extends IRecentsNonSystemUserCallbacks.Stub { 31 32 private static final int MSG_PRELOAD_RECENTS = 1; 33 private static final int MSG_CANCEL_PRELOADING_RECENTS = 2; 34 private static final int MSG_SHOW_RECENTS = 3; 35 private static final int MSG_HIDE_RECENTS = 4; 36 private static final int MSG_TOGGLE_RECENTS = 5; 37 private static final int MSG_ON_CONFIGURATION_CHANGED = 6; 38 private static final int MSG_DOCK_TOP_TASK = 7; 39 private static final int MSG_ON_DRAGGING_IN_RECENTS = 8; 40 private static final int MSG_ON_DRAGGING_IN_RECENTS_ENDED = 9; 41 42 private RecentsImpl mImpl; 43 44 public RecentsImplProxy(RecentsImpl recentsImpl) { 45 mImpl = recentsImpl; 46 } 47 48 @Override 49 public void preloadRecents() throws RemoteException { 50 mHandler.sendEmptyMessage(MSG_PRELOAD_RECENTS); 51 } 52 53 @Override 54 public void cancelPreloadingRecents() throws RemoteException { 55 mHandler.sendEmptyMessage(MSG_CANCEL_PRELOADING_RECENTS); 56 } 57 58 @Override 59 public void showRecents(boolean triggeredFromAltTab, boolean draggingInRecents, boolean animate, 60 boolean reloadTasks, boolean fromHome, int growTarget) 61 throws RemoteException { 62 SomeArgs args = SomeArgs.obtain(); 63 args.argi1 = triggeredFromAltTab ? 1 : 0; 64 args.argi2 = draggingInRecents ? 1 : 0; 65 args.argi3 = animate ? 1 : 0; 66 args.argi4 = reloadTasks ? 1 : 0; 67 args.argi5 = fromHome ? 1 : 0; 68 args.argi6 = growTarget; 69 mHandler.sendMessage(mHandler.obtainMessage(MSG_SHOW_RECENTS, args)); 70 } 71 72 @Override 73 public void hideRecents(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) 74 throws RemoteException { 75 mHandler.sendMessage(mHandler.obtainMessage(MSG_HIDE_RECENTS, triggeredFromAltTab ? 1 :0, 76 triggeredFromHomeKey ? 1 : 0)); 77 } 78 79 @Override 80 public void toggleRecents(int growTarget) throws RemoteException { 81 SomeArgs args = SomeArgs.obtain(); 82 args.argi1 = growTarget; 83 mHandler.sendMessage(mHandler.obtainMessage(MSG_TOGGLE_RECENTS, args)); 84 } 85 86 @Override 87 public void onConfigurationChanged() throws RemoteException { 88 mHandler.sendEmptyMessage(MSG_ON_CONFIGURATION_CHANGED); 89 } 90 91 @Override 92 public void dockTopTask(int topTaskId, int dragMode, int stackCreateMode, 93 Rect initialBounds) throws RemoteException { 94 SomeArgs args = SomeArgs.obtain(); 95 args.argi1 = topTaskId; 96 args.argi2 = dragMode; 97 args.argi3 = stackCreateMode; 98 args.arg1 = initialBounds; 99 mHandler.sendMessage(mHandler.obtainMessage(MSG_DOCK_TOP_TASK, args)); 100 } 101 102 @Override 103 public void onDraggingInRecents(float distanceFromTop) throws RemoteException { 104 mHandler.sendMessage(mHandler.obtainMessage(MSG_ON_DRAGGING_IN_RECENTS, distanceFromTop)); 105 } 106 107 @Override 108 public void onDraggingInRecentsEnded(float velocity) throws RemoteException { 109 mHandler.sendMessage(mHandler.obtainMessage(MSG_ON_DRAGGING_IN_RECENTS_ENDED, velocity)); 110 } 111 112 private final Handler mHandler = new Handler() { 113 114 @Override 115 public void handleMessage(Message msg) { 116 SomeArgs args; 117 switch (msg.what) { 118 case MSG_PRELOAD_RECENTS: 119 mImpl.preloadRecents(); 120 break; 121 case MSG_CANCEL_PRELOADING_RECENTS: 122 mImpl.cancelPreloadingRecents(); 123 break; 124 case MSG_SHOW_RECENTS: 125 args = (SomeArgs) msg.obj; 126 mImpl.showRecents(args.argi1 != 0, args.argi2 != 0, args.argi3 != 0, 127 args.argi4 != 0, args.argi5 != 0, args.argi6); 128 break; 129 case MSG_HIDE_RECENTS: 130 mImpl.hideRecents(msg.arg1 != 0, msg.arg2 != 0); 131 break; 132 case MSG_TOGGLE_RECENTS: 133 args = (SomeArgs) msg.obj; 134 mImpl.toggleRecents(args.argi1); 135 break; 136 case MSG_ON_CONFIGURATION_CHANGED: 137 mImpl.onConfigurationChanged(); 138 break; 139 case MSG_DOCK_TOP_TASK: 140 args = (SomeArgs) msg.obj; 141 mImpl.dockTopTask(args.argi1, args.argi2, args.argi3 = 0, 142 (Rect) args.arg1); 143 break; 144 case MSG_ON_DRAGGING_IN_RECENTS: 145 mImpl.onDraggingInRecents((Float) msg.obj); 146 break; 147 case MSG_ON_DRAGGING_IN_RECENTS_ENDED: 148 mImpl.onDraggingInRecentsEnded((Float) msg.obj); 149 break; 150 default: 151 super.handleMessage(msg); 152 } 153 super.handleMessage(msg); 154 } 155 }; 156 } 157
