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; |
Robert Carr | 00c0dbe | 2020-01-24 15:30:24 -0800 | [diff] [blame] | 20 | import static android.app.WindowConfiguration.WINDOWING_MODE_MULTI_WINDOW; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 21 | import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED; |
| 22 | import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY; |
| 23 | import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 24 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 25 | import static com.android.server.wm.ActivityStackSupervisor.PRESERVE_WINDOWS; |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 26 | import static com.android.server.wm.WindowContainer.POSITION_BOTTOM; |
| 27 | import static com.android.server.wm.WindowContainer.POSITION_TOP; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 28 | |
| 29 | import android.annotation.Nullable; |
| 30 | import android.app.ActivityManager.RunningTaskInfo; |
| 31 | import android.app.ITaskOrganizerController; |
| 32 | import android.app.WindowConfiguration; |
| 33 | import android.content.pm.ActivityInfo; |
| 34 | import android.content.res.Configuration; |
| 35 | import android.graphics.Rect; |
| 36 | import android.os.Binder; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 37 | import android.os.IBinder; |
| 38 | import android.os.RemoteException; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 39 | import android.util.ArraySet; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 40 | import android.util.Slog; |
| 41 | import android.view.ITaskOrganizer; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 42 | import android.view.IWindowContainer; |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 43 | import android.view.SurfaceControl; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 44 | import android.view.WindowContainerTransaction; |
| 45 | |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame^] | 46 | import com.android.internal.util.ArrayUtils; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 47 | import com.android.internal.util.function.pooled.PooledConsumer; |
| 48 | import com.android.internal.util.function.pooled.PooledLambda; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 49 | |
| 50 | import java.util.ArrayList; |
| 51 | import java.util.HashMap; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 52 | import java.util.Iterator; |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 53 | import java.util.List; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 54 | import java.util.Map; |
| 55 | import java.util.WeakHashMap; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 56 | |
| 57 | /** |
| 58 | * Stores the TaskOrganizers associated with a given windowing mode and |
| 59 | * their associated state. |
| 60 | */ |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 61 | class TaskOrganizerController extends ITaskOrganizerController.Stub |
| 62 | implements BLASTSyncEngine.TransactionReadyListener { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 63 | private static final String TAG = "TaskOrganizerController"; |
| 64 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 65 | /** Flag indicating that an applied transaction may have effected lifecycle */ |
| 66 | private static final int TRANSACT_EFFECTS_CLIENT_CONFIG = 1; |
| 67 | private static final int TRANSACT_EFFECTS_LIFECYCLE = 1 << 1; |
| 68 | |
| 69 | private final WindowManagerGlobalLock mGlobalLock; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 70 | |
| 71 | private class DeathRecipient implements IBinder.DeathRecipient { |
| 72 | int mWindowingMode; |
| 73 | ITaskOrganizer mTaskOrganizer; |
| 74 | |
| 75 | DeathRecipient(ITaskOrganizer organizer, int windowingMode) { |
| 76 | mTaskOrganizer = organizer; |
| 77 | mWindowingMode = windowingMode; |
| 78 | } |
| 79 | |
| 80 | @Override |
| 81 | public void binderDied() { |
| 82 | synchronized (mGlobalLock) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 83 | final TaskOrganizerState state = |
| 84 | mTaskOrganizerStates.get(mTaskOrganizer.asBinder()); |
| 85 | state.releaseTasks(); |
| 86 | mTaskOrganizerStates.remove(mTaskOrganizer.asBinder()); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 87 | if (mTaskOrganizersForWindowingMode.get(mWindowingMode) == mTaskOrganizer) { |
| 88 | mTaskOrganizersForWindowingMode.remove(mWindowingMode); |
| 89 | } |
| 90 | } |
| 91 | } |
| 92 | }; |
| 93 | |
| 94 | class TaskOrganizerState { |
| 95 | ITaskOrganizer mOrganizer; |
| 96 | DeathRecipient mDeathRecipient; |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 97 | int mWindowingMode; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 98 | |
| 99 | ArrayList<Task> mOrganizedTasks = new ArrayList<>(); |
| 100 | |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 101 | // Save the TaskOrganizer which we replaced registration for |
| 102 | // so it can be re-registered if we unregister. |
| 103 | TaskOrganizerState mReplacementFor; |
| 104 | boolean mDisposed = false; |
| 105 | |
| 106 | |
| 107 | TaskOrganizerState(ITaskOrganizer organizer, int windowingMode, |
| 108 | TaskOrganizerState replacing) { |
| 109 | mOrganizer = organizer; |
| 110 | mDeathRecipient = new DeathRecipient(organizer, windowingMode); |
| 111 | try { |
| 112 | organizer.asBinder().linkToDeath(mDeathRecipient, 0); |
| 113 | } catch (RemoteException e) { |
| 114 | Slog.e(TAG, "TaskOrganizer failed to register death recipient"); |
| 115 | } |
| 116 | mWindowingMode = windowingMode; |
| 117 | mReplacementFor = replacing; |
| 118 | } |
| 119 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 120 | void addTask(Task t) { |
| 121 | mOrganizedTasks.add(t); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 122 | try { |
| 123 | mOrganizer.taskAppeared(t.getTaskInfo()); |
| 124 | } catch (Exception e) { |
| 125 | Slog.e(TAG, "Exception sending taskAppeared callback" + e); |
| 126 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 127 | } |
| 128 | |
| 129 | void removeTask(Task t) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 130 | try { |
| 131 | mOrganizer.taskVanished(t.getRemoteToken()); |
| 132 | } catch (Exception e) { |
| 133 | Slog.e(TAG, "Exception sending taskVanished callback" + e); |
| 134 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 135 | mOrganizedTasks.remove(t); |
| 136 | } |
| 137 | |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 138 | void dispose() { |
| 139 | mDisposed = true; |
| 140 | releaseTasks(); |
| 141 | handleReplacement(); |
| 142 | } |
| 143 | |
| 144 | void releaseTasks() { |
| 145 | for (int i = mOrganizedTasks.size() - 1; i >= 0; i--) { |
| 146 | final Task t = mOrganizedTasks.get(i); |
| 147 | t.taskOrganizerDied(); |
| 148 | removeTask(t); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | void handleReplacement() { |
| 153 | if (mReplacementFor != null && !mReplacementFor.mDisposed) { |
| 154 | mTaskOrganizersForWindowingMode.put(mWindowingMode, mReplacementFor); |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | void unlinkDeath() { |
| 159 | mDisposed = true; |
| 160 | mOrganizer.asBinder().unlinkToDeath(mDeathRecipient, 0); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 161 | } |
| 162 | }; |
| 163 | |
| 164 | |
| 165 | final HashMap<Integer, TaskOrganizerState> mTaskOrganizersForWindowingMode = new HashMap(); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 166 | final HashMap<IBinder, TaskOrganizerState> mTaskOrganizerStates = new HashMap(); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 167 | |
| 168 | final HashMap<Integer, ITaskOrganizer> mTaskOrganizersByPendingSyncId = new HashMap(); |
| 169 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 170 | private final WeakHashMap<Task, RunningTaskInfo> mLastSentTaskInfos = new WeakHashMap<>(); |
| 171 | private final ArrayList<Task> mPendingTaskInfoChanges = new ArrayList<>(); |
| 172 | |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 173 | private final BLASTSyncEngine mBLASTSyncEngine = new BLASTSyncEngine(); |
| 174 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 175 | final ActivityTaskManagerService mService; |
| 176 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 177 | RunningTaskInfo mTmpTaskInfo; |
| 178 | |
| 179 | TaskOrganizerController(ActivityTaskManagerService atm) { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 180 | mService = atm; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 181 | mGlobalLock = atm.mGlobalLock; |
| 182 | } |
| 183 | |
| 184 | private void enforceStackPermission(String func) { |
| 185 | mService.mAmInternal.enforceCallingPermission(MANAGE_ACTIVITY_STACKS, func); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 186 | } |
| 187 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 188 | /** |
| 189 | * Register a TaskOrganizer to manage tasks as they enter the given windowing mode. |
| 190 | * 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] | 191 | * but will continue to organize it's existing tasks. |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 192 | */ |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 193 | @Override |
| 194 | public void registerTaskOrganizer(ITaskOrganizer organizer, int windowingMode) { |
| 195 | if (windowingMode != WINDOWING_MODE_PINNED |
| 196 | && windowingMode != WINDOWING_MODE_SPLIT_SCREEN_PRIMARY |
| 197 | && windowingMode != WINDOWING_MODE_SPLIT_SCREEN_SECONDARY |
| 198 | && windowingMode != WINDOWING_MODE_MULTI_WINDOW) { |
| 199 | throw new UnsupportedOperationException("As of now only Pinned/Split/Multiwindow" |
| 200 | + " windowing modes are supported for registerTaskOrganizer"); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 201 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 202 | enforceStackPermission("registerTaskOrganizer()"); |
| 203 | final long origId = Binder.clearCallingIdentity(); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 204 | try { |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 205 | synchronized (mGlobalLock) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 206 | final TaskOrganizerState state = new TaskOrganizerState(organizer, windowingMode, |
| 207 | mTaskOrganizersForWindowingMode.get(windowingMode)); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 208 | mTaskOrganizersForWindowingMode.put(windowingMode, state); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 209 | mTaskOrganizerStates.put(organizer.asBinder(), state); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 210 | } |
| 211 | } finally { |
| 212 | Binder.restoreCallingIdentity(origId); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 213 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 214 | } |
| 215 | |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 216 | void unregisterTaskOrganizer(ITaskOrganizer organizer) { |
| 217 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
| 218 | state.unlinkDeath(); |
| 219 | if (mTaskOrganizersForWindowingMode.get(state.mWindowingMode) == state) { |
| 220 | mTaskOrganizersForWindowingMode.remove(state.mWindowingMode); |
| 221 | } |
| 222 | state.dispose(); |
| 223 | } |
| 224 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 225 | ITaskOrganizer getTaskOrganizer(int windowingMode) { |
| 226 | final TaskOrganizerState state = mTaskOrganizersForWindowingMode.get(windowingMode); |
| 227 | if (state == null) { |
| 228 | return null; |
| 229 | } |
| 230 | return state.mOrganizer; |
| 231 | } |
| 232 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 233 | void onTaskAppeared(ITaskOrganizer organizer, Task task) { |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 234 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 235 | state.addTask(task); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | void onTaskVanished(ITaskOrganizer organizer, Task task) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 239 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 240 | state.removeTask(task); |
| 241 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 242 | |
| 243 | @Override |
| 244 | public RunningTaskInfo createRootTask(int displayId, int windowingMode) { |
| 245 | enforceStackPermission("createRootTask()"); |
| 246 | final long origId = Binder.clearCallingIdentity(); |
| 247 | try { |
| 248 | synchronized (mGlobalLock) { |
| 249 | DisplayContent display = mService.mRootWindowContainer.getDisplayContent(displayId); |
| 250 | if (display == null) { |
| 251 | return null; |
| 252 | } |
| 253 | final int nextId = display.getNextStackId(); |
| 254 | TaskTile tile = new TaskTile(mService, nextId, windowingMode); |
| 255 | display.addTile(tile); |
| 256 | RunningTaskInfo out = new RunningTaskInfo(); |
| 257 | tile.fillTaskInfo(out); |
| 258 | mLastSentTaskInfos.put(tile, out); |
| 259 | return out; |
| 260 | } |
| 261 | } finally { |
| 262 | Binder.restoreCallingIdentity(origId); |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | @Override |
| 267 | public boolean deleteRootTask(IWindowContainer token) { |
| 268 | enforceStackPermission("deleteRootTask()"); |
| 269 | final long origId = Binder.clearCallingIdentity(); |
| 270 | try { |
| 271 | synchronized (mGlobalLock) { |
| 272 | TaskTile tile = TaskTile.forToken(token.asBinder()); |
| 273 | if (tile == null) { |
| 274 | return false; |
| 275 | } |
| 276 | tile.removeImmediately(); |
| 277 | return true; |
| 278 | } |
| 279 | } finally { |
| 280 | Binder.restoreCallingIdentity(origId); |
| 281 | } |
| 282 | } |
| 283 | |
| 284 | void dispatchPendingTaskInfoChanges() { |
| 285 | if (mService.mWindowManager.mWindowPlacerLocked.isLayoutDeferred()) { |
| 286 | return; |
| 287 | } |
| 288 | for (int i = 0, n = mPendingTaskInfoChanges.size(); i < n; ++i) { |
| 289 | dispatchTaskInfoChanged(mPendingTaskInfoChanges.get(i), false /* force */); |
| 290 | } |
| 291 | mPendingTaskInfoChanges.clear(); |
| 292 | } |
| 293 | |
| 294 | void dispatchTaskInfoChanged(Task task, boolean force) { |
| 295 | if (!force && mService.mWindowManager.mWindowPlacerLocked.isLayoutDeferred()) { |
| 296 | // Defer task info reporting while layout is deferred. This is because layout defer |
| 297 | // blocks tend to do lots of re-ordering which can mess up animations in receivers. |
| 298 | mPendingTaskInfoChanges.remove(task); |
| 299 | mPendingTaskInfoChanges.add(task); |
| 300 | return; |
| 301 | } |
| 302 | RunningTaskInfo lastInfo = mLastSentTaskInfos.get(task); |
| 303 | if (mTmpTaskInfo == null) { |
| 304 | mTmpTaskInfo = new RunningTaskInfo(); |
| 305 | } |
| 306 | task.fillTaskInfo(mTmpTaskInfo); |
| 307 | boolean changed = lastInfo == null |
| 308 | || mTmpTaskInfo.topActivityType != lastInfo.topActivityType |
| 309 | || mTmpTaskInfo.isResizable() != lastInfo.isResizable(); |
| 310 | if (!(changed || force)) { |
| 311 | return; |
| 312 | } |
| 313 | final RunningTaskInfo newInfo = mTmpTaskInfo; |
| 314 | mLastSentTaskInfos.put(task, mTmpTaskInfo); |
| 315 | // Since we've stored this, clean up the reference so a new one will be created next time. |
| 316 | // Transferring it this way means we only have to construct new RunningTaskInfos when they |
| 317 | // change. |
| 318 | mTmpTaskInfo = null; |
| 319 | |
| 320 | if (task.mTaskOrganizer != null) { |
| 321 | try { |
| 322 | task.mTaskOrganizer.onTaskInfoChanged(newInfo); |
| 323 | } catch (RemoteException e) { |
| 324 | } |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | @Override |
| 329 | public IWindowContainer getImeTarget(int displayId) { |
| 330 | enforceStackPermission("getImeTarget()"); |
| 331 | final long origId = Binder.clearCallingIdentity(); |
| 332 | try { |
| 333 | synchronized (mGlobalLock) { |
| 334 | DisplayContent dc = mService.mWindowManager.mRoot |
| 335 | .getDisplayContent(displayId); |
| 336 | if (dc == null || dc.mInputMethodTarget == null) { |
| 337 | return null; |
| 338 | } |
| 339 | // Avoid WindowState#getRootTask() so we don't attribute system windows to a task. |
| 340 | final Task task = dc.mInputMethodTarget.getTask(); |
| 341 | if (task == null) { |
| 342 | return null; |
| 343 | } |
| 344 | ActivityStack rootTask = (ActivityStack) task.getRootTask(); |
| 345 | final TaskTile tile = rootTask.getTile(); |
| 346 | if (tile != null) { |
| 347 | rootTask = tile; |
| 348 | } |
| 349 | return rootTask.mRemoteToken; |
| 350 | } |
| 351 | } finally { |
| 352 | Binder.restoreCallingIdentity(origId); |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | @Override |
| 357 | public void setLaunchRoot(int displayId, @Nullable IWindowContainer tile) { |
| 358 | enforceStackPermission("setLaunchRoot()"); |
| 359 | final long origId = Binder.clearCallingIdentity(); |
| 360 | try { |
| 361 | synchronized (mGlobalLock) { |
| 362 | DisplayContent display = mService.mRootWindowContainer.getDisplayContent(displayId); |
| 363 | if (display == null) { |
| 364 | return; |
| 365 | } |
| 366 | TaskTile taskTile = tile == null ? null : TaskTile.forToken(tile.asBinder()); |
| 367 | if (taskTile == null) { |
| 368 | display.mLaunchTile = null; |
| 369 | return; |
| 370 | } |
| 371 | if (taskTile.getDisplay() != display) { |
| 372 | throw new RuntimeException("Can't set launch root for display " + displayId |
| 373 | + " to task on display " + taskTile.getDisplay().getDisplayId()); |
| 374 | } |
| 375 | display.mLaunchTile = taskTile; |
| 376 | } |
| 377 | } finally { |
| 378 | Binder.restoreCallingIdentity(origId); |
| 379 | } |
| 380 | } |
| 381 | |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 382 | @Override |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame^] | 383 | public List<RunningTaskInfo> getChildTasks(IWindowContainer parent, |
| 384 | @Nullable int[] activityTypes) { |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 385 | enforceStackPermission("getChildTasks()"); |
| 386 | final long ident = Binder.clearCallingIdentity(); |
| 387 | try { |
| 388 | synchronized (mGlobalLock) { |
| 389 | if (parent == null) { |
| 390 | throw new IllegalArgumentException("Can't get children of null parent"); |
| 391 | } |
| 392 | final WindowContainer container = WindowContainer.fromBinder(parent.asBinder()); |
| 393 | if (container == null) { |
| 394 | Slog.e(TAG, "Can't get children of " + parent + " because it is not valid."); |
| 395 | return null; |
| 396 | } |
| 397 | // For now, only support returning children of persistent root tasks (of which the |
| 398 | // only current implementation is TaskTile). |
| 399 | if (!(container instanceof TaskTile)) { |
| 400 | Slog.w(TAG, "Can only get children of root tasks created via createRootTask"); |
| 401 | return null; |
| 402 | } |
| 403 | ArrayList<RunningTaskInfo> out = new ArrayList<>(); |
| 404 | // Tiles aren't real parents, so we need to go through stacks on the display to |
| 405 | // ensure correct ordering. |
| 406 | final DisplayContent dc = container.getDisplayContent(); |
| 407 | for (int i = dc.getStackCount() - 1; i >= 0; --i) { |
| 408 | final ActivityStack as = dc.getStackAt(i); |
| 409 | if (as.getTile() == container) { |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame^] | 410 | if (activityTypes != null |
| 411 | && !ArrayUtils.contains(activityTypes, as.getActivityType())) { |
| 412 | continue; |
| 413 | } |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 414 | final RunningTaskInfo info = new RunningTaskInfo(); |
| 415 | as.fillTaskInfo(info); |
| 416 | out.add(info); |
| 417 | } |
| 418 | } |
| 419 | return out; |
| 420 | } |
| 421 | } finally { |
| 422 | Binder.restoreCallingIdentity(ident); |
| 423 | } |
| 424 | } |
| 425 | |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame^] | 426 | @Override |
| 427 | public List<RunningTaskInfo> getRootTasks(int displayId, @Nullable int[] activityTypes) { |
| 428 | enforceStackPermission("getRootTasks()"); |
| 429 | final long ident = Binder.clearCallingIdentity(); |
| 430 | try { |
| 431 | synchronized (mGlobalLock) { |
| 432 | final DisplayContent dc = |
| 433 | mService.mRootWindowContainer.getDisplayContent(displayId); |
| 434 | if (dc == null) { |
| 435 | throw new IllegalArgumentException("Display " + displayId + " doesn't exist"); |
| 436 | } |
| 437 | ArrayList<RunningTaskInfo> out = new ArrayList<>(); |
| 438 | for (int i = dc.getStackCount() - 1; i >= 0; --i) { |
| 439 | final ActivityStack task = dc.getStackAt(i); |
| 440 | if (task.getTile() != null) { |
| 441 | // a tile is supposed to look like a parent, so don't include their |
| 442 | // "children" here. They can be accessed via getChildTasks() |
| 443 | continue; |
| 444 | } |
| 445 | if (activityTypes != null |
| 446 | && !ArrayUtils.contains(activityTypes, task.getActivityType())) { |
| 447 | continue; |
| 448 | } |
| 449 | final RunningTaskInfo info = new RunningTaskInfo(); |
| 450 | task.fillTaskInfo(info); |
| 451 | out.add(info); |
| 452 | } |
| 453 | return out; |
| 454 | } |
| 455 | } finally { |
| 456 | Binder.restoreCallingIdentity(ident); |
| 457 | } |
| 458 | } |
| 459 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 460 | private int sanitizeAndApplyChange(WindowContainer container, |
| 461 | WindowContainerTransaction.Change change) { |
| 462 | if (!(container instanceof Task)) { |
| 463 | throw new RuntimeException("Invalid token in task transaction"); |
| 464 | } |
| 465 | // The "client"-facing API should prevent bad changes; however, just in case, sanitize |
| 466 | // masks here. |
| 467 | int configMask = change.getConfigSetMask(); |
| 468 | int windowMask = change.getWindowSetMask(); |
| 469 | configMask &= ActivityInfo.CONFIG_WINDOW_CONFIGURATION |
| 470 | | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE; |
| 471 | windowMask &= WindowConfiguration.WINDOW_CONFIG_BOUNDS; |
| 472 | int effects = 0; |
| 473 | if (configMask != 0) { |
| 474 | Configuration c = new Configuration(container.getRequestedOverrideConfiguration()); |
| 475 | c.setTo(change.getConfiguration(), configMask, windowMask); |
| 476 | container.onRequestedOverrideConfigurationChanged(c); |
| 477 | // TODO(b/145675353): remove the following once we could apply new bounds to the |
| 478 | // pinned stack together with its children. |
| 479 | resizePinnedStackIfNeeded(container, configMask, windowMask, c); |
| 480 | effects |= TRANSACT_EFFECTS_CLIENT_CONFIG; |
| 481 | } |
| 482 | if ((change.getChangeMask() & WindowContainerTransaction.Change.CHANGE_FOCUSABLE) != 0) { |
| 483 | if (container.setFocusable(change.getFocusable())) { |
| 484 | effects |= TRANSACT_EFFECTS_LIFECYCLE; |
| 485 | } |
| 486 | } |
| 487 | return effects; |
| 488 | } |
| 489 | |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 490 | private int sanitizeAndApplyHierarchyOp(WindowContainer container, |
| 491 | WindowContainerTransaction.HierarchyOp hop) { |
| 492 | if (!(container instanceof Task)) { |
| 493 | throw new IllegalArgumentException("Invalid container in hierarchy op"); |
| 494 | } |
| 495 | if (hop.isReparent()) { |
| 496 | // special case for tiles since they are "virtual" parents |
| 497 | if (container instanceof ActivityStack && ((ActivityStack) container).isRootTask()) { |
| 498 | ActivityStack as = (ActivityStack) container; |
| 499 | TaskTile newParent = hop.getNewParent() == null ? null |
| 500 | : (TaskTile) WindowContainer.fromBinder(hop.getNewParent()); |
| 501 | if (as.getTile() != newParent) { |
| 502 | if (as.getTile() != null) { |
| 503 | as.getTile().removeChild(as); |
| 504 | } |
| 505 | if (newParent != null) { |
| 506 | if (!as.affectedBySplitScreenResize()) { |
| 507 | return 0; |
| 508 | } |
| 509 | newParent.addChild(as, POSITION_TOP); |
| 510 | } |
| 511 | } |
| 512 | if (hop.getToTop()) { |
| 513 | as.getDisplay().positionStackAtTop(as, false /* includingParents */); |
| 514 | } else { |
| 515 | as.getDisplay().positionStackAtBottom(as); |
| 516 | } |
| 517 | } else if (container instanceof Task) { |
| 518 | throw new RuntimeException("Reparenting leaf Tasks is not supported now."); |
| 519 | } |
| 520 | } else { |
| 521 | // Ugh, of course ActivityStack has its own special reorder logic... |
| 522 | if (container instanceof ActivityStack && ((ActivityStack) container).isRootTask()) { |
| 523 | ActivityStack as = (ActivityStack) container; |
| 524 | if (hop.getToTop()) { |
| 525 | as.getDisplay().positionStackAtTop(as, false /* includingParents */); |
| 526 | } else { |
| 527 | as.getDisplay().positionStackAtBottom(as); |
| 528 | } |
| 529 | } else { |
| 530 | container.getParent().positionChildAt( |
| 531 | hop.getToTop() ? POSITION_TOP : POSITION_BOTTOM, |
| 532 | container, false /* includingParents */); |
| 533 | } |
| 534 | } |
| 535 | return TRANSACT_EFFECTS_LIFECYCLE; |
| 536 | } |
| 537 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 538 | private void resizePinnedStackIfNeeded(ConfigurationContainer container, int configMask, |
| 539 | int windowMask, Configuration config) { |
| 540 | if ((container instanceof ActivityStack) |
| 541 | && ((configMask & ActivityInfo.CONFIG_WINDOW_CONFIGURATION) != 0) |
| 542 | && ((windowMask & WindowConfiguration.WINDOW_CONFIG_BOUNDS) != 0)) { |
| 543 | final ActivityStack stack = (ActivityStack) container; |
| 544 | if (stack.inPinnedWindowingMode()) { |
| 545 | stack.resize(config.windowConfiguration.getBounds(), |
| 546 | null /* tempTaskBounds */, null /* tempTaskInsetBounds */, |
| 547 | PRESERVE_WINDOWS, true /* deferResume */); |
| 548 | } |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | private int applyWindowContainerChange(WindowContainer wc, |
| 553 | WindowContainerTransaction.Change c) { |
| 554 | int effects = sanitizeAndApplyChange(wc, c); |
| 555 | |
| 556 | Rect enterPipBounds = c.getEnterPipBounds(); |
| 557 | if (enterPipBounds != null) { |
| 558 | Task tr = (Task) wc; |
| 559 | mService.mStackSupervisor.updatePictureInPictureMode(tr, |
| 560 | enterPipBounds, true); |
| 561 | } |
| 562 | return effects; |
| 563 | } |
| 564 | |
| 565 | @Override |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 566 | public int applyContainerTransaction(WindowContainerTransaction t, ITaskOrganizer organizer) { |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 567 | enforceStackPermission("applyContainerTransaction()"); |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 568 | int syncId = -1; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 569 | if (t == null) { |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 570 | throw new IllegalArgumentException( |
| 571 | "Null transaction passed to applyContainerTransaction"); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 572 | } |
| 573 | long ident = Binder.clearCallingIdentity(); |
| 574 | try { |
| 575 | synchronized (mGlobalLock) { |
| 576 | int effects = 0; |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 577 | |
| 578 | /** |
| 579 | * If organizer is non-null we are looking to synchronize this transaction |
| 580 | * by collecting all the results in to a SurfaceFlinger transaction and |
| 581 | * then delivering that to the given organizers transaction ready callback. |
| 582 | * See {@link BLASTSyncEngine} for the details of the operation. But at |
| 583 | * a high level we create a sync operation with a given ID and an associated |
| 584 | * organizer. Then we notify each WindowContainer in this WindowContainer |
| 585 | * transaction that it is participating in a sync operation with that |
| 586 | * ID. Once everything is notified we tell the BLASTSyncEngine |
| 587 | * "setSyncReady" which means that we have added everything |
| 588 | * to the set. At any point after this, all the WindowContainers |
| 589 | * will eventually finish applying their changes and notify the |
| 590 | * BLASTSyncEngine which will deliver the Transaction to the organizer. |
| 591 | */ |
| 592 | if (organizer != null) { |
| 593 | syncId = startSyncWithOrganizer(organizer); |
| 594 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 595 | mService.deferWindowLayout(); |
| 596 | try { |
| 597 | ArraySet<WindowContainer> haveConfigChanges = new ArraySet<>(); |
| 598 | Iterator<Map.Entry<IBinder, WindowContainerTransaction.Change>> entries = |
| 599 | t.getChanges().entrySet().iterator(); |
| 600 | while (entries.hasNext()) { |
| 601 | final Map.Entry<IBinder, WindowContainerTransaction.Change> entry = |
| 602 | entries.next(); |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 603 | final WindowContainer wc = WindowContainer.fromBinder(entry.getKey()); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 604 | int containerEffect = applyWindowContainerChange(wc, entry.getValue()); |
| 605 | effects |= containerEffect; |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 606 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 607 | // Lifecycle changes will trigger ensureConfig for everything. |
| 608 | if ((effects & TRANSACT_EFFECTS_LIFECYCLE) == 0 |
| 609 | && (containerEffect & TRANSACT_EFFECTS_CLIENT_CONFIG) != 0) { |
| 610 | haveConfigChanges.add(wc); |
| 611 | } |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 612 | if (syncId >= 0) { |
| 613 | mBLASTSyncEngine.addToSyncSet(syncId, wc); |
| 614 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 615 | } |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 616 | // Hierarchy changes |
| 617 | final List<WindowContainerTransaction.HierarchyOp> hops = t.getHierarchyOps(); |
| 618 | for (int i = 0, n = hops.size(); i < n; ++i) { |
| 619 | final WindowContainerTransaction.HierarchyOp hop = hops.get(i); |
| 620 | final WindowContainer wc = WindowContainer.fromBinder(hop.getContainer()); |
| 621 | effects |= sanitizeAndApplyHierarchyOp(wc, hop); |
| 622 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 623 | if ((effects & TRANSACT_EFFECTS_LIFECYCLE) != 0) { |
| 624 | // Already calls ensureActivityConfig |
| 625 | mService.mRootWindowContainer.ensureActivitiesVisible( |
| 626 | null, 0, PRESERVE_WINDOWS); |
| 627 | } else if ((effects & TRANSACT_EFFECTS_CLIENT_CONFIG) != 0) { |
| 628 | final PooledConsumer f = PooledLambda.obtainConsumer( |
| 629 | ActivityRecord::ensureActivityConfiguration, |
| 630 | PooledLambda.__(ActivityRecord.class), 0, |
| 631 | false /* preserveWindow */); |
| 632 | try { |
| 633 | for (int i = haveConfigChanges.size() - 1; i >= 0; --i) { |
| 634 | haveConfigChanges.valueAt(i).forAllActivities(f); |
| 635 | } |
| 636 | } finally { |
| 637 | f.recycle(); |
| 638 | } |
| 639 | } |
| 640 | } finally { |
| 641 | mService.continueWindowLayout(); |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 642 | if (syncId >= 0) { |
| 643 | setSyncReady(syncId); |
| 644 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 645 | } |
| 646 | } |
| 647 | } finally { |
| 648 | Binder.restoreCallingIdentity(ident); |
| 649 | } |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 650 | return syncId; |
| 651 | } |
| 652 | |
| 653 | @Override |
| 654 | public void transactionReady(int id, SurfaceControl.Transaction sc) { |
| 655 | final ITaskOrganizer organizer = mTaskOrganizersByPendingSyncId.get(id); |
| 656 | if (organizer == null) { |
| 657 | Slog.e(TAG, "Got transaction complete for unexpected ID"); |
| 658 | } |
| 659 | try { |
| 660 | organizer.transactionReady(id, sc); |
| 661 | } catch (RemoteException e) { |
| 662 | } |
| 663 | |
| 664 | mTaskOrganizersByPendingSyncId.remove(id); |
| 665 | } |
| 666 | |
| 667 | int startSyncWithOrganizer(ITaskOrganizer organizer) { |
| 668 | int id = mBLASTSyncEngine.startSyncSet(this); |
| 669 | mTaskOrganizersByPendingSyncId.put(id, organizer); |
| 670 | return id; |
| 671 | } |
| 672 | |
| 673 | void setSyncReady(int id) { |
| 674 | mBLASTSyncEngine.setReady(id); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 675 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 676 | } |