Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 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.server.wm; |
| 18 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 19 | import static android.Manifest.permission.MANAGE_ACTIVITY_STACKS; |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 20 | import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED; |
Robert Carr | 00c0dbe | 2020-01-24 15:30:24 -0800 | [diff] [blame] | 21 | import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 22 | import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 23 | |
Wale Ogunwale | 568f9f41 | 2020-03-21 22:27:35 -0700 | [diff] [blame] | 24 | import static com.android.server.wm.WindowOrganizerController.CONTROLLABLE_CONFIGS; |
| 25 | import static com.android.server.wm.WindowOrganizerController.CONTROLLABLE_WINDOW_CONFIGS; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 26 | |
| 27 | import android.annotation.Nullable; |
| 28 | import android.app.ActivityManager.RunningTaskInfo; |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 29 | import android.app.WindowConfiguration; |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 30 | import android.content.Intent; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 31 | import android.content.pm.ActivityInfo; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 32 | import android.os.Binder; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 33 | import android.os.IBinder; |
| 34 | import android.os.RemoteException; |
| 35 | import android.util.Slog; |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 36 | import android.util.SparseArray; |
Wale Ogunwale | 5794658 | 2020-03-21 14:29:07 -0700 | [diff] [blame] | 37 | import android.window.ITaskOrganizer; |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 38 | import android.window.ITaskOrganizerController; |
Wale Ogunwale | 5794658 | 2020-03-21 14:29:07 -0700 | [diff] [blame] | 39 | import android.window.IWindowContainer; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 40 | |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame] | 41 | import com.android.internal.util.ArrayUtils; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 42 | |
| 43 | import java.util.ArrayList; |
| 44 | import java.util.HashMap; |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 45 | import java.util.LinkedList; |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 46 | import java.util.List; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 47 | import java.util.WeakHashMap; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 48 | |
| 49 | /** |
| 50 | * Stores the TaskOrganizers associated with a given windowing mode and |
| 51 | * their associated state. |
| 52 | */ |
Wale Ogunwale | 568f9f41 | 2020-03-21 22:27:35 -0700 | [diff] [blame] | 53 | class TaskOrganizerController extends ITaskOrganizerController.Stub { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 54 | private static final String TAG = "TaskOrganizerController"; |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 55 | private static final LinkedList<IBinder> EMPTY_LIST = new LinkedList<>(); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 56 | |
Evan Rosky | f64f5da | 2020-03-16 13:47:48 -0700 | [diff] [blame] | 57 | /** |
| 58 | * Masks specifying which configurations are important to report back to an organizer when |
| 59 | * changed. |
| 60 | */ |
| 61 | private static final int REPORT_CONFIGS = CONTROLLABLE_CONFIGS; |
| 62 | private static final int REPORT_WINDOW_CONFIGS = CONTROLLABLE_WINDOW_CONFIGS; |
| 63 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 64 | private final WindowManagerGlobalLock mGlobalLock; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 65 | |
| 66 | private class DeathRecipient implements IBinder.DeathRecipient { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 67 | ITaskOrganizer mTaskOrganizer; |
| 68 | |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 69 | DeathRecipient(ITaskOrganizer organizer) { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 70 | mTaskOrganizer = organizer; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public void binderDied() { |
| 75 | synchronized (mGlobalLock) { |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 76 | final TaskOrganizerState state = mTaskOrganizerStates.remove( |
| 77 | mTaskOrganizer.asBinder()); |
| 78 | state.dispose(); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 79 | } |
| 80 | } |
| 81 | }; |
| 82 | |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 83 | private class TaskOrganizerState { |
| 84 | private final ITaskOrganizer mOrganizer; |
| 85 | private final DeathRecipient mDeathRecipient; |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 86 | private final ArrayList<Task> mOrganizedTasks = new ArrayList<>(); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 87 | |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 88 | TaskOrganizerState(ITaskOrganizer organizer) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 89 | mOrganizer = organizer; |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 90 | mDeathRecipient = new DeathRecipient(organizer); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 91 | try { |
| 92 | organizer.asBinder().linkToDeath(mDeathRecipient, 0); |
| 93 | } catch (RemoteException e) { |
| 94 | Slog.e(TAG, "TaskOrganizer failed to register death recipient"); |
| 95 | } |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 96 | } |
| 97 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 98 | void addTask(Task t) { |
| 99 | mOrganizedTasks.add(t); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 100 | try { |
Wale Ogunwale | dec3408 | 2020-03-22 09:45:00 -0700 | [diff] [blame] | 101 | mOrganizer.onTaskAppeared(t.getTaskInfo()); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 102 | } catch (Exception e) { |
| 103 | Slog.e(TAG, "Exception sending taskAppeared callback" + e); |
| 104 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | void removeTask(Task t) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 108 | try { |
Wale Ogunwale | dec3408 | 2020-03-22 09:45:00 -0700 | [diff] [blame] | 109 | mOrganizer.onTaskVanished(t.getTaskInfo()); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 110 | } catch (Exception e) { |
| 111 | Slog.e(TAG, "Exception sending taskVanished callback" + e); |
| 112 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 113 | mOrganizedTasks.remove(t); |
| 114 | } |
| 115 | |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 116 | void dispose() { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 117 | releaseTasks(); |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 118 | for (int i = mTaskOrganizersForWindowingMode.size() - 1; i >= 0; --i) { |
| 119 | mTaskOrganizersForWindowingMode.valueAt(i).remove(mOrganizer.asBinder()); |
| 120 | } |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 121 | } |
| 122 | |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 123 | private void releaseTasks() { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 124 | for (int i = mOrganizedTasks.size() - 1; i >= 0; i--) { |
| 125 | final Task t = mOrganizedTasks.get(i); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 126 | removeTask(t); |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 127 | t.taskOrganizerUnregistered(); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 128 | } |
| 129 | } |
| 130 | |
| 131 | void unlinkDeath() { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 132 | mOrganizer.asBinder().unlinkToDeath(mDeathRecipient, 0); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 133 | } |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 134 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 135 | |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 136 | private final SparseArray<LinkedList<IBinder>> mTaskOrganizersForWindowingMode = |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 137 | new SparseArray<>(); |
| 138 | private final HashMap<IBinder, TaskOrganizerState> mTaskOrganizerStates = new HashMap<>(); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 139 | private final WeakHashMap<Task, RunningTaskInfo> mLastSentTaskInfos = new WeakHashMap<>(); |
| 140 | private final ArrayList<Task> mPendingTaskInfoChanges = new ArrayList<>(); |
| 141 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 142 | final ActivityTaskManagerService mService; |
| 143 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 144 | RunningTaskInfo mTmpTaskInfo; |
| 145 | |
| 146 | TaskOrganizerController(ActivityTaskManagerService atm) { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 147 | mService = atm; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 148 | mGlobalLock = atm.mGlobalLock; |
| 149 | } |
| 150 | |
| 151 | private void enforceStackPermission(String func) { |
| 152 | mService.mAmInternal.enforceCallingPermission(MANAGE_ACTIVITY_STACKS, func); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 153 | } |
| 154 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 155 | /** |
| 156 | * Register a TaskOrganizer to manage tasks as they enter the given windowing mode. |
| 157 | * If there was already a TaskOrganizer for this windowing mode it will be evicted |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 158 | * but will continue to organize it's existing tasks. |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 159 | */ |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 160 | @Override |
| 161 | public void registerTaskOrganizer(ITaskOrganizer organizer, int windowingMode) { |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 162 | if (windowingMode == WINDOWING_MODE_PINNED) { |
| 163 | if (!mService.mSupportsPictureInPicture) { |
| 164 | throw new UnsupportedOperationException("Picture in picture is not supported on " |
| 165 | + "this device"); |
| 166 | } |
| 167 | } else if (WindowConfiguration.isSplitScreenWindowingMode(windowingMode)) { |
| 168 | if (!mService.mSupportsSplitScreenMultiWindow) { |
| 169 | throw new UnsupportedOperationException("Split-screen is not supported on this " |
| 170 | + "device"); |
| 171 | } |
| 172 | } else if (windowingMode == WINDOWING_MODE_MULTI_WINDOW) { |
| 173 | if (!mService.mSupportsMultiWindow) { |
| 174 | throw new UnsupportedOperationException("Multi-window is not supported on this " |
| 175 | + "device"); |
| 176 | } |
| 177 | } else { |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 178 | throw new UnsupportedOperationException("As of now only Pinned/Split/Multiwindow" |
| 179 | + " windowing modes are supported for registerTaskOrganizer"); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 180 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 181 | enforceStackPermission("registerTaskOrganizer()"); |
| 182 | final long origId = Binder.clearCallingIdentity(); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 183 | try { |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 184 | synchronized (mGlobalLock) { |
Winson Chung | 77338ab | 2020-03-09 16:32:34 -0700 | [diff] [blame] | 185 | if (getTaskOrganizer(windowingMode) != null) { |
| 186 | Slog.w(TAG, "Task organizer already exists for windowing mode: " |
| 187 | + windowingMode); |
| 188 | } |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 189 | |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 190 | LinkedList<IBinder> orgs = mTaskOrganizersForWindowingMode.get(windowingMode); |
| 191 | if (orgs == null) { |
| 192 | orgs = new LinkedList<>(); |
| 193 | mTaskOrganizersForWindowingMode.put(windowingMode, orgs); |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 194 | } |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 195 | orgs.add(organizer.asBinder()); |
| 196 | if (!mTaskOrganizerStates.containsKey(organizer.asBinder())) { |
| 197 | mTaskOrganizerStates.put(organizer.asBinder(), |
| 198 | new TaskOrganizerState(organizer)); |
| 199 | } |
Winson Chung | 77338ab | 2020-03-09 16:32:34 -0700 | [diff] [blame] | 200 | |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 201 | if (orgs.size() == 1) { |
Winson Chung | 77338ab | 2020-03-09 16:32:34 -0700 | [diff] [blame] | 202 | // Only in the case where this is the root task organizer for the given |
| 203 | // windowing mode, we add report all existing tasks in that mode to the new |
| 204 | // task organizer. |
| 205 | mService.mRootWindowContainer.forAllTasks((task) -> { |
| 206 | if (task.getWindowingMode() == windowingMode) { |
| 207 | task.updateTaskOrganizerState(true /* forceUpdate */); |
| 208 | } |
| 209 | }); |
| 210 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 211 | } |
| 212 | } finally { |
| 213 | Binder.restoreCallingIdentity(origId); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 214 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 215 | } |
| 216 | |
Winson Chung | 8a16890 | 2020-03-12 22:39:22 -0700 | [diff] [blame] | 217 | @Override |
| 218 | public void unregisterTaskOrganizer(ITaskOrganizer organizer) { |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 219 | final TaskOrganizerState state = mTaskOrganizerStates.remove(organizer.asBinder()); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 220 | state.unlinkDeath(); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 221 | state.dispose(); |
| 222 | } |
| 223 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 224 | ITaskOrganizer getTaskOrganizer(int windowingMode) { |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame^] | 225 | final IBinder organizer = |
| 226 | mTaskOrganizersForWindowingMode.get(windowingMode, EMPTY_LIST).peekLast(); |
| 227 | if (organizer == null) { |
| 228 | return null; |
| 229 | } |
| 230 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 231 | if (state == null) { |
| 232 | return null; |
| 233 | } |
| 234 | return state.mOrganizer; |
| 235 | } |
| 236 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 237 | void onTaskAppeared(ITaskOrganizer organizer, Task task) { |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 238 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 239 | state.addTask(task); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 240 | } |
| 241 | |
| 242 | void onTaskVanished(ITaskOrganizer organizer, Task task) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 243 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 244 | state.removeTask(task); |
| 245 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 246 | |
| 247 | @Override |
| 248 | public RunningTaskInfo createRootTask(int displayId, int windowingMode) { |
| 249 | enforceStackPermission("createRootTask()"); |
| 250 | final long origId = Binder.clearCallingIdentity(); |
| 251 | try { |
| 252 | synchronized (mGlobalLock) { |
| 253 | DisplayContent display = mService.mRootWindowContainer.getDisplayContent(displayId); |
| 254 | if (display == null) { |
| 255 | return null; |
| 256 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 257 | |
| 258 | final Task task = display.getOrCreateStack(windowingMode, ACTIVITY_TYPE_UNDEFINED, |
| 259 | false /* onTop */, new Intent(), null /* candidateTask */, |
| 260 | true /* createdByOrganizer */); |
| 261 | RunningTaskInfo out = task.getTaskInfo(); |
| 262 | mLastSentTaskInfos.put(task, out); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 263 | return out; |
| 264 | } |
| 265 | } finally { |
| 266 | Binder.restoreCallingIdentity(origId); |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | @Override |
| 271 | public boolean deleteRootTask(IWindowContainer token) { |
| 272 | enforceStackPermission("deleteRootTask()"); |
| 273 | final long origId = Binder.clearCallingIdentity(); |
| 274 | try { |
| 275 | synchronized (mGlobalLock) { |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 276 | final Task task = WindowContainer.fromBinder(token.asBinder()).asTask(); |
| 277 | if (task == null) return false; |
| 278 | if (!task.mCreatedByOrganizer) { |
| 279 | throw new IllegalArgumentException( |
| 280 | "Attempt to delete task not created by organizer task=" + task); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 281 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 282 | task.removeImmediately(); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 283 | return true; |
| 284 | } |
| 285 | } finally { |
| 286 | Binder.restoreCallingIdentity(origId); |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | void dispatchPendingTaskInfoChanges() { |
| 291 | if (mService.mWindowManager.mWindowPlacerLocked.isLayoutDeferred()) { |
| 292 | return; |
| 293 | } |
| 294 | for (int i = 0, n = mPendingTaskInfoChanges.size(); i < n; ++i) { |
| 295 | dispatchTaskInfoChanged(mPendingTaskInfoChanges.get(i), false /* force */); |
| 296 | } |
| 297 | mPendingTaskInfoChanges.clear(); |
| 298 | } |
| 299 | |
| 300 | void dispatchTaskInfoChanged(Task task, boolean force) { |
| 301 | if (!force && mService.mWindowManager.mWindowPlacerLocked.isLayoutDeferred()) { |
| 302 | // Defer task info reporting while layout is deferred. This is because layout defer |
| 303 | // blocks tend to do lots of re-ordering which can mess up animations in receivers. |
| 304 | mPendingTaskInfoChanges.remove(task); |
| 305 | mPendingTaskInfoChanges.add(task); |
| 306 | return; |
| 307 | } |
| 308 | RunningTaskInfo lastInfo = mLastSentTaskInfos.get(task); |
| 309 | if (mTmpTaskInfo == null) { |
| 310 | mTmpTaskInfo = new RunningTaskInfo(); |
| 311 | } |
Evan Rosky | f64f5da | 2020-03-16 13:47:48 -0700 | [diff] [blame] | 312 | mTmpTaskInfo.configuration.unset(); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 313 | task.fillTaskInfo(mTmpTaskInfo); |
| 314 | boolean changed = lastInfo == null |
| 315 | || mTmpTaskInfo.topActivityType != lastInfo.topActivityType |
Hongwei Wang | 85cf41f | 2020-01-15 15:14:47 -0800 | [diff] [blame] | 316 | || mTmpTaskInfo.isResizable() != lastInfo.isResizable() |
| 317 | || mTmpTaskInfo.pictureInPictureParams != lastInfo.pictureInPictureParams; |
Evan Rosky | f64f5da | 2020-03-16 13:47:48 -0700 | [diff] [blame] | 318 | if (!changed) { |
| 319 | int cfgChanges = mTmpTaskInfo.configuration.diff(lastInfo.configuration); |
| 320 | final int winCfgChanges = (cfgChanges & ActivityInfo.CONFIG_WINDOW_CONFIGURATION) != 0 |
| 321 | ? (int) mTmpTaskInfo.configuration.windowConfiguration.diff( |
| 322 | lastInfo.configuration.windowConfiguration, |
| 323 | true /* compareUndefined */) : 0; |
| 324 | if ((winCfgChanges & REPORT_WINDOW_CONFIGS) == 0) { |
| 325 | cfgChanges &= ~ActivityInfo.CONFIG_WINDOW_CONFIGURATION; |
| 326 | } |
| 327 | changed = (cfgChanges & REPORT_CONFIGS) != 0; |
| 328 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 329 | if (!(changed || force)) { |
| 330 | return; |
| 331 | } |
| 332 | final RunningTaskInfo newInfo = mTmpTaskInfo; |
| 333 | mLastSentTaskInfos.put(task, mTmpTaskInfo); |
| 334 | // Since we've stored this, clean up the reference so a new one will be created next time. |
| 335 | // Transferring it this way means we only have to construct new RunningTaskInfos when they |
| 336 | // change. |
| 337 | mTmpTaskInfo = null; |
| 338 | |
| 339 | if (task.mTaskOrganizer != null) { |
| 340 | try { |
| 341 | task.mTaskOrganizer.onTaskInfoChanged(newInfo); |
| 342 | } catch (RemoteException e) { |
| 343 | } |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | @Override |
| 348 | public IWindowContainer getImeTarget(int displayId) { |
| 349 | enforceStackPermission("getImeTarget()"); |
| 350 | final long origId = Binder.clearCallingIdentity(); |
| 351 | try { |
| 352 | synchronized (mGlobalLock) { |
| 353 | DisplayContent dc = mService.mWindowManager.mRoot |
| 354 | .getDisplayContent(displayId); |
| 355 | if (dc == null || dc.mInputMethodTarget == null) { |
| 356 | return null; |
| 357 | } |
| 358 | // Avoid WindowState#getRootTask() so we don't attribute system windows to a task. |
| 359 | final Task task = dc.mInputMethodTarget.getTask(); |
| 360 | if (task == null) { |
| 361 | return null; |
| 362 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 363 | return task.getRootTask().mRemoteToken; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 364 | } |
| 365 | } finally { |
| 366 | Binder.restoreCallingIdentity(origId); |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | @Override |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 371 | public void setLaunchRoot(int displayId, @Nullable IWindowContainer token) { |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 372 | enforceStackPermission("setLaunchRoot()"); |
| 373 | final long origId = Binder.clearCallingIdentity(); |
| 374 | try { |
| 375 | synchronized (mGlobalLock) { |
| 376 | DisplayContent display = mService.mRootWindowContainer.getDisplayContent(displayId); |
| 377 | if (display == null) { |
| 378 | return; |
| 379 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 380 | Task task = token == null |
| 381 | ? null : WindowContainer.fromBinder(token.asBinder()).asTask(); |
| 382 | if (task == null) { |
| 383 | display.mLaunchRootTask = null; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 384 | return; |
| 385 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 386 | if (!task.mCreatedByOrganizer) { |
| 387 | throw new IllegalArgumentException("Attempt to set task not created by " |
| 388 | + "organizer as launch root task=" + task); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 389 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 390 | if (task.getDisplayContent() != display) { |
| 391 | throw new RuntimeException("Can't set launch root for display " + displayId |
| 392 | + " to task on display " + task.getDisplayContent().getDisplayId()); |
| 393 | } |
| 394 | display.mLaunchRootTask = task; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 395 | } |
| 396 | } finally { |
| 397 | Binder.restoreCallingIdentity(origId); |
| 398 | } |
| 399 | } |
| 400 | |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 401 | @Override |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame] | 402 | public List<RunningTaskInfo> getChildTasks(IWindowContainer parent, |
| 403 | @Nullable int[] activityTypes) { |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 404 | enforceStackPermission("getChildTasks()"); |
| 405 | final long ident = Binder.clearCallingIdentity(); |
| 406 | try { |
| 407 | synchronized (mGlobalLock) { |
| 408 | if (parent == null) { |
| 409 | throw new IllegalArgumentException("Can't get children of null parent"); |
| 410 | } |
| 411 | final WindowContainer container = WindowContainer.fromBinder(parent.asBinder()); |
| 412 | if (container == null) { |
| 413 | Slog.e(TAG, "Can't get children of " + parent + " because it is not valid."); |
| 414 | return null; |
| 415 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 416 | final Task task = container.asTask(); |
| 417 | if (task == null) { |
| 418 | Slog.e(TAG, container + " is not a task..."); |
| 419 | return null; |
| 420 | } |
| 421 | // For now, only support returning children of tasks created by the organizer. |
| 422 | if (!task.mCreatedByOrganizer) { |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 423 | Slog.w(TAG, "Can only get children of root tasks created via createRootTask"); |
| 424 | return null; |
| 425 | } |
| 426 | ArrayList<RunningTaskInfo> out = new ArrayList<>(); |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 427 | for (int i = task.getChildCount() - 1; i >= 0; --i) { |
| 428 | final Task child = task.getChildAt(i).asTask(); |
| 429 | if (child == null) continue; |
| 430 | if (activityTypes != null |
| 431 | && !ArrayUtils.contains(activityTypes, child.getActivityType())) { |
| 432 | continue; |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 433 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 434 | out.add(child.getTaskInfo()); |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 435 | } |
| 436 | return out; |
| 437 | } |
| 438 | } finally { |
| 439 | Binder.restoreCallingIdentity(ident); |
| 440 | } |
| 441 | } |
| 442 | |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame] | 443 | @Override |
| 444 | public List<RunningTaskInfo> getRootTasks(int displayId, @Nullable int[] activityTypes) { |
| 445 | enforceStackPermission("getRootTasks()"); |
| 446 | final long ident = Binder.clearCallingIdentity(); |
| 447 | try { |
| 448 | synchronized (mGlobalLock) { |
| 449 | final DisplayContent dc = |
| 450 | mService.mRootWindowContainer.getDisplayContent(displayId); |
| 451 | if (dc == null) { |
| 452 | throw new IllegalArgumentException("Display " + displayId + " doesn't exist"); |
| 453 | } |
| 454 | ArrayList<RunningTaskInfo> out = new ArrayList<>(); |
| 455 | for (int i = dc.getStackCount() - 1; i >= 0; --i) { |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 456 | final Task task = dc.getStackAt(i); |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame] | 457 | if (activityTypes != null |
| 458 | && !ArrayUtils.contains(activityTypes, task.getActivityType())) { |
| 459 | continue; |
| 460 | } |
Winson Chung | 66b08f0 | 2020-03-03 14:32:35 -0800 | [diff] [blame] | 461 | out.add(task.getTaskInfo()); |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame] | 462 | } |
| 463 | return out; |
| 464 | } |
| 465 | } finally { |
| 466 | Binder.restoreCallingIdentity(ident); |
| 467 | } |
| 468 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 469 | } |