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 | |
Winson Chung | 268eccb | 2020-03-26 13:43:44 -0700 | [diff] [blame] | 43 | import java.io.PrintWriter; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 44 | import java.util.ArrayList; |
| 45 | import java.util.HashMap; |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 46 | import java.util.LinkedList; |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 47 | import java.util.List; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 48 | import java.util.WeakHashMap; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 49 | |
| 50 | /** |
| 51 | * Stores the TaskOrganizers associated with a given windowing mode and |
| 52 | * their associated state. |
| 53 | */ |
Wale Ogunwale | 568f9f41 | 2020-03-21 22:27:35 -0700 | [diff] [blame] | 54 | class TaskOrganizerController extends ITaskOrganizerController.Stub { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 55 | private static final String TAG = "TaskOrganizerController"; |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 56 | private static final LinkedList<IBinder> EMPTY_LIST = new LinkedList<>(); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 57 | |
Evan Rosky | f64f5da | 2020-03-16 13:47:48 -0700 | [diff] [blame] | 58 | /** |
| 59 | * Masks specifying which configurations are important to report back to an organizer when |
| 60 | * changed. |
| 61 | */ |
| 62 | private static final int REPORT_CONFIGS = CONTROLLABLE_CONFIGS; |
| 63 | private static final int REPORT_WINDOW_CONFIGS = CONTROLLABLE_WINDOW_CONFIGS; |
| 64 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 65 | private final WindowManagerGlobalLock mGlobalLock; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 66 | |
| 67 | private class DeathRecipient implements IBinder.DeathRecipient { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 68 | ITaskOrganizer mTaskOrganizer; |
| 69 | |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 70 | DeathRecipient(ITaskOrganizer organizer) { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 71 | mTaskOrganizer = organizer; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | @Override |
| 75 | public void binderDied() { |
| 76 | synchronized (mGlobalLock) { |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 77 | final TaskOrganizerState state = mTaskOrganizerStates.remove( |
| 78 | mTaskOrganizer.asBinder()); |
| 79 | state.dispose(); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 80 | } |
| 81 | } |
| 82 | }; |
| 83 | |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 84 | private class TaskOrganizerState { |
| 85 | private final ITaskOrganizer mOrganizer; |
| 86 | private final DeathRecipient mDeathRecipient; |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 87 | private final ArrayList<Task> mOrganizedTasks = new ArrayList<>(); |
Winson Chung | 268eccb | 2020-03-26 13:43:44 -0700 | [diff] [blame] | 88 | private final int mUid; |
Winson Chung | a1f869d | 2020-03-21 23:02:48 -0700 | [diff] [blame^] | 89 | private boolean mInterceptBackPressedOnTaskRoot; |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 90 | |
Winson Chung | 268eccb | 2020-03-26 13:43:44 -0700 | [diff] [blame] | 91 | TaskOrganizerState(ITaskOrganizer organizer, int uid) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 92 | mOrganizer = organizer; |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 93 | mDeathRecipient = new DeathRecipient(organizer); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 94 | try { |
| 95 | organizer.asBinder().linkToDeath(mDeathRecipient, 0); |
| 96 | } catch (RemoteException e) { |
| 97 | Slog.e(TAG, "TaskOrganizer failed to register death recipient"); |
| 98 | } |
Winson Chung | 268eccb | 2020-03-26 13:43:44 -0700 | [diff] [blame] | 99 | mUid = uid; |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 100 | } |
| 101 | |
Winson Chung | a1f869d | 2020-03-21 23:02:48 -0700 | [diff] [blame^] | 102 | void setInterceptBackPressedOnTaskRoot(boolean interceptBackPressed) { |
| 103 | mInterceptBackPressedOnTaskRoot = interceptBackPressed; |
| 104 | } |
| 105 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 106 | void addTask(Task t) { |
| 107 | mOrganizedTasks.add(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.onTaskAppeared(t.getTaskInfo()); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 110 | } catch (Exception e) { |
| 111 | Slog.e(TAG, "Exception sending taskAppeared callback" + e); |
| 112 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | void removeTask(Task t) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 116 | try { |
Wale Ogunwale | dec3408 | 2020-03-22 09:45:00 -0700 | [diff] [blame] | 117 | mOrganizer.onTaskVanished(t.getTaskInfo()); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 118 | } catch (Exception e) { |
| 119 | Slog.e(TAG, "Exception sending taskVanished callback" + e); |
| 120 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 121 | mOrganizedTasks.remove(t); |
| 122 | } |
| 123 | |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 124 | void dispose() { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 125 | releaseTasks(); |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 126 | for (int i = mTaskOrganizersForWindowingMode.size() - 1; i >= 0; --i) { |
| 127 | mTaskOrganizersForWindowingMode.valueAt(i).remove(mOrganizer.asBinder()); |
| 128 | } |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 129 | } |
| 130 | |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 131 | private void releaseTasks() { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 132 | for (int i = mOrganizedTasks.size() - 1; i >= 0; i--) { |
| 133 | final Task t = mOrganizedTasks.get(i); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 134 | removeTask(t); |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 135 | t.taskOrganizerUnregistered(); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 136 | } |
| 137 | } |
| 138 | |
| 139 | void unlinkDeath() { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 140 | mOrganizer.asBinder().unlinkToDeath(mDeathRecipient, 0); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 141 | } |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 142 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 143 | |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 144 | private final SparseArray<LinkedList<IBinder>> mTaskOrganizersForWindowingMode = |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 145 | new SparseArray<>(); |
| 146 | private final HashMap<IBinder, TaskOrganizerState> mTaskOrganizerStates = new HashMap<>(); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 147 | private final WeakHashMap<Task, RunningTaskInfo> mLastSentTaskInfos = new WeakHashMap<>(); |
| 148 | private final ArrayList<Task> mPendingTaskInfoChanges = new ArrayList<>(); |
| 149 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 150 | final ActivityTaskManagerService mService; |
| 151 | |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 152 | RunningTaskInfo mTmpTaskInfo; |
| 153 | |
| 154 | TaskOrganizerController(ActivityTaskManagerService atm) { |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 155 | mService = atm; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 156 | mGlobalLock = atm.mGlobalLock; |
| 157 | } |
| 158 | |
| 159 | private void enforceStackPermission(String func) { |
| 160 | mService.mAmInternal.enforceCallingPermission(MANAGE_ACTIVITY_STACKS, func); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 161 | } |
| 162 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 163 | /** |
| 164 | * Register a TaskOrganizer to manage tasks as they enter the given windowing mode. |
| 165 | * 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] | 166 | * but will continue to organize it's existing tasks. |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 167 | */ |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 168 | @Override |
| 169 | public void registerTaskOrganizer(ITaskOrganizer organizer, int windowingMode) { |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 170 | if (windowingMode == WINDOWING_MODE_PINNED) { |
| 171 | if (!mService.mSupportsPictureInPicture) { |
| 172 | throw new UnsupportedOperationException("Picture in picture is not supported on " |
| 173 | + "this device"); |
| 174 | } |
| 175 | } else if (WindowConfiguration.isSplitScreenWindowingMode(windowingMode)) { |
| 176 | if (!mService.mSupportsSplitScreenMultiWindow) { |
| 177 | throw new UnsupportedOperationException("Split-screen is not supported on this " |
| 178 | + "device"); |
| 179 | } |
| 180 | } else if (windowingMode == WINDOWING_MODE_MULTI_WINDOW) { |
| 181 | if (!mService.mSupportsMultiWindow) { |
| 182 | throw new UnsupportedOperationException("Multi-window is not supported on this " |
| 183 | + "device"); |
| 184 | } |
| 185 | } else { |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 186 | throw new UnsupportedOperationException("As of now only Pinned/Split/Multiwindow" |
| 187 | + " windowing modes are supported for registerTaskOrganizer"); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 188 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 189 | enforceStackPermission("registerTaskOrganizer()"); |
Winson Chung | 268eccb | 2020-03-26 13:43:44 -0700 | [diff] [blame] | 190 | final int uid = Binder.getCallingUid(); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 191 | final long origId = Binder.clearCallingIdentity(); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 192 | try { |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 193 | synchronized (mGlobalLock) { |
Winson Chung | 77338ab | 2020-03-09 16:32:34 -0700 | [diff] [blame] | 194 | if (getTaskOrganizer(windowingMode) != null) { |
| 195 | Slog.w(TAG, "Task organizer already exists for windowing mode: " |
| 196 | + windowingMode); |
| 197 | } |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 198 | |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 199 | LinkedList<IBinder> orgs = mTaskOrganizersForWindowingMode.get(windowingMode); |
| 200 | if (orgs == null) { |
| 201 | orgs = new LinkedList<>(); |
| 202 | mTaskOrganizersForWindowingMode.put(windowingMode, orgs); |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 203 | } |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 204 | orgs.add(organizer.asBinder()); |
| 205 | if (!mTaskOrganizerStates.containsKey(organizer.asBinder())) { |
| 206 | mTaskOrganizerStates.put(organizer.asBinder(), |
Winson Chung | 268eccb | 2020-03-26 13:43:44 -0700 | [diff] [blame] | 207 | new TaskOrganizerState(organizer, uid)); |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 208 | } |
Winson Chung | 77338ab | 2020-03-09 16:32:34 -0700 | [diff] [blame] | 209 | |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 210 | if (orgs.size() == 1) { |
Winson Chung | 77338ab | 2020-03-09 16:32:34 -0700 | [diff] [blame] | 211 | // Only in the case where this is the root task organizer for the given |
| 212 | // windowing mode, we add report all existing tasks in that mode to the new |
| 213 | // task organizer. |
| 214 | mService.mRootWindowContainer.forAllTasks((task) -> { |
| 215 | if (task.getWindowingMode() == windowingMode) { |
| 216 | task.updateTaskOrganizerState(true /* forceUpdate */); |
| 217 | } |
| 218 | }); |
| 219 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 220 | } |
| 221 | } finally { |
| 222 | Binder.restoreCallingIdentity(origId); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 223 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 224 | } |
| 225 | |
Winson Chung | 8a16890 | 2020-03-12 22:39:22 -0700 | [diff] [blame] | 226 | @Override |
| 227 | public void unregisterTaskOrganizer(ITaskOrganizer organizer) { |
Winson Chung | aff506b | 2020-03-21 22:56:31 -0700 | [diff] [blame] | 228 | final TaskOrganizerState state = mTaskOrganizerStates.remove(organizer.asBinder()); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 229 | state.unlinkDeath(); |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 230 | state.dispose(); |
| 231 | } |
| 232 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 233 | ITaskOrganizer getTaskOrganizer(int windowingMode) { |
Evan Rosky | b8540a0 | 2020-03-25 16:30:24 -0700 | [diff] [blame] | 234 | final IBinder organizer = |
| 235 | mTaskOrganizersForWindowingMode.get(windowingMode, EMPTY_LIST).peekLast(); |
| 236 | if (organizer == null) { |
| 237 | return null; |
| 238 | } |
| 239 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 240 | if (state == null) { |
| 241 | return null; |
| 242 | } |
| 243 | return state.mOrganizer; |
| 244 | } |
| 245 | |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 246 | void onTaskAppeared(ITaskOrganizer organizer, Task task) { |
Robert Carr | e10ee3d | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 247 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 248 | state.addTask(task); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | void onTaskVanished(ITaskOrganizer organizer, Task task) { |
Robert Carr | 7d7c8ab | 2020-01-28 15:57:23 -0800 | [diff] [blame] | 252 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 253 | state.removeTask(task); |
| 254 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 255 | |
| 256 | @Override |
| 257 | public RunningTaskInfo createRootTask(int displayId, int windowingMode) { |
| 258 | enforceStackPermission("createRootTask()"); |
| 259 | final long origId = Binder.clearCallingIdentity(); |
| 260 | try { |
| 261 | synchronized (mGlobalLock) { |
| 262 | DisplayContent display = mService.mRootWindowContainer.getDisplayContent(displayId); |
| 263 | if (display == null) { |
| 264 | return null; |
| 265 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 266 | |
Andrii Kulian | 9ea12da | 2020-03-27 17:16:38 -0700 | [diff] [blame] | 267 | final Task task = display.mTaskContainers.getOrCreateStack(windowingMode, |
| 268 | ACTIVITY_TYPE_UNDEFINED, false /* onTop */, new Intent(), |
| 269 | null /* candidateTask */, true /* createdByOrganizer */); |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 270 | RunningTaskInfo out = task.getTaskInfo(); |
| 271 | mLastSentTaskInfos.put(task, out); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 272 | return out; |
| 273 | } |
| 274 | } finally { |
| 275 | Binder.restoreCallingIdentity(origId); |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | @Override |
| 280 | public boolean deleteRootTask(IWindowContainer token) { |
| 281 | enforceStackPermission("deleteRootTask()"); |
| 282 | final long origId = Binder.clearCallingIdentity(); |
| 283 | try { |
| 284 | synchronized (mGlobalLock) { |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 285 | final Task task = WindowContainer.fromBinder(token.asBinder()).asTask(); |
| 286 | if (task == null) return false; |
| 287 | if (!task.mCreatedByOrganizer) { |
| 288 | throw new IllegalArgumentException( |
| 289 | "Attempt to delete task not created by organizer task=" + task); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 290 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 291 | task.removeImmediately(); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 292 | return true; |
| 293 | } |
| 294 | } finally { |
| 295 | Binder.restoreCallingIdentity(origId); |
| 296 | } |
| 297 | } |
| 298 | |
| 299 | void dispatchPendingTaskInfoChanges() { |
| 300 | if (mService.mWindowManager.mWindowPlacerLocked.isLayoutDeferred()) { |
| 301 | return; |
| 302 | } |
| 303 | for (int i = 0, n = mPendingTaskInfoChanges.size(); i < n; ++i) { |
| 304 | dispatchTaskInfoChanged(mPendingTaskInfoChanges.get(i), false /* force */); |
| 305 | } |
| 306 | mPendingTaskInfoChanges.clear(); |
| 307 | } |
| 308 | |
| 309 | void dispatchTaskInfoChanged(Task task, boolean force) { |
| 310 | if (!force && mService.mWindowManager.mWindowPlacerLocked.isLayoutDeferred()) { |
| 311 | // Defer task info reporting while layout is deferred. This is because layout defer |
| 312 | // blocks tend to do lots of re-ordering which can mess up animations in receivers. |
| 313 | mPendingTaskInfoChanges.remove(task); |
| 314 | mPendingTaskInfoChanges.add(task); |
| 315 | return; |
| 316 | } |
| 317 | RunningTaskInfo lastInfo = mLastSentTaskInfos.get(task); |
| 318 | if (mTmpTaskInfo == null) { |
| 319 | mTmpTaskInfo = new RunningTaskInfo(); |
| 320 | } |
Evan Rosky | f64f5da | 2020-03-16 13:47:48 -0700 | [diff] [blame] | 321 | mTmpTaskInfo.configuration.unset(); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 322 | task.fillTaskInfo(mTmpTaskInfo); |
| 323 | boolean changed = lastInfo == null |
| 324 | || mTmpTaskInfo.topActivityType != lastInfo.topActivityType |
Hongwei Wang | 85cf41f | 2020-01-15 15:14:47 -0800 | [diff] [blame] | 325 | || mTmpTaskInfo.isResizable() != lastInfo.isResizable() |
| 326 | || mTmpTaskInfo.pictureInPictureParams != lastInfo.pictureInPictureParams; |
Evan Rosky | f64f5da | 2020-03-16 13:47:48 -0700 | [diff] [blame] | 327 | if (!changed) { |
| 328 | int cfgChanges = mTmpTaskInfo.configuration.diff(lastInfo.configuration); |
| 329 | final int winCfgChanges = (cfgChanges & ActivityInfo.CONFIG_WINDOW_CONFIGURATION) != 0 |
| 330 | ? (int) mTmpTaskInfo.configuration.windowConfiguration.diff( |
| 331 | lastInfo.configuration.windowConfiguration, |
| 332 | true /* compareUndefined */) : 0; |
| 333 | if ((winCfgChanges & REPORT_WINDOW_CONFIGS) == 0) { |
| 334 | cfgChanges &= ~ActivityInfo.CONFIG_WINDOW_CONFIGURATION; |
| 335 | } |
| 336 | changed = (cfgChanges & REPORT_CONFIGS) != 0; |
| 337 | } |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 338 | if (!(changed || force)) { |
| 339 | return; |
| 340 | } |
| 341 | final RunningTaskInfo newInfo = mTmpTaskInfo; |
| 342 | mLastSentTaskInfos.put(task, mTmpTaskInfo); |
| 343 | // Since we've stored this, clean up the reference so a new one will be created next time. |
| 344 | // Transferring it this way means we only have to construct new RunningTaskInfos when they |
| 345 | // change. |
| 346 | mTmpTaskInfo = null; |
| 347 | |
| 348 | if (task.mTaskOrganizer != null) { |
| 349 | try { |
| 350 | task.mTaskOrganizer.onTaskInfoChanged(newInfo); |
| 351 | } catch (RemoteException e) { |
| 352 | } |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | @Override |
| 357 | public IWindowContainer getImeTarget(int displayId) { |
| 358 | enforceStackPermission("getImeTarget()"); |
| 359 | final long origId = Binder.clearCallingIdentity(); |
| 360 | try { |
| 361 | synchronized (mGlobalLock) { |
| 362 | DisplayContent dc = mService.mWindowManager.mRoot |
| 363 | .getDisplayContent(displayId); |
| 364 | if (dc == null || dc.mInputMethodTarget == null) { |
| 365 | return null; |
| 366 | } |
| 367 | // Avoid WindowState#getRootTask() so we don't attribute system windows to a task. |
| 368 | final Task task = dc.mInputMethodTarget.getTask(); |
| 369 | if (task == null) { |
| 370 | return null; |
| 371 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 372 | return task.getRootTask().mRemoteToken; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 373 | } |
| 374 | } finally { |
| 375 | Binder.restoreCallingIdentity(origId); |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | @Override |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 380 | public void setLaunchRoot(int displayId, @Nullable IWindowContainer token) { |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 381 | enforceStackPermission("setLaunchRoot()"); |
| 382 | final long origId = Binder.clearCallingIdentity(); |
| 383 | try { |
| 384 | synchronized (mGlobalLock) { |
| 385 | DisplayContent display = mService.mRootWindowContainer.getDisplayContent(displayId); |
| 386 | if (display == null) { |
| 387 | return; |
| 388 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 389 | Task task = token == null |
| 390 | ? null : WindowContainer.fromBinder(token.asBinder()).asTask(); |
| 391 | if (task == null) { |
| 392 | display.mLaunchRootTask = null; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 393 | return; |
| 394 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 395 | if (!task.mCreatedByOrganizer) { |
| 396 | throw new IllegalArgumentException("Attempt to set task not created by " |
| 397 | + "organizer as launch root task=" + task); |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 398 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 399 | if (task.getDisplayContent() != display) { |
| 400 | throw new RuntimeException("Can't set launch root for display " + displayId |
| 401 | + " to task on display " + task.getDisplayContent().getDisplayId()); |
| 402 | } |
| 403 | display.mLaunchRootTask = task; |
Evan Rosky | 0037e5f | 2019-11-05 10:26:24 -0800 | [diff] [blame] | 404 | } |
| 405 | } finally { |
| 406 | Binder.restoreCallingIdentity(origId); |
| 407 | } |
| 408 | } |
| 409 | |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 410 | @Override |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame] | 411 | public List<RunningTaskInfo> getChildTasks(IWindowContainer parent, |
| 412 | @Nullable int[] activityTypes) { |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 413 | enforceStackPermission("getChildTasks()"); |
| 414 | final long ident = Binder.clearCallingIdentity(); |
| 415 | try { |
| 416 | synchronized (mGlobalLock) { |
| 417 | if (parent == null) { |
| 418 | throw new IllegalArgumentException("Can't get children of null parent"); |
| 419 | } |
| 420 | final WindowContainer container = WindowContainer.fromBinder(parent.asBinder()); |
| 421 | if (container == null) { |
| 422 | Slog.e(TAG, "Can't get children of " + parent + " because it is not valid."); |
| 423 | return null; |
| 424 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 425 | final Task task = container.asTask(); |
| 426 | if (task == null) { |
| 427 | Slog.e(TAG, container + " is not a task..."); |
| 428 | return null; |
| 429 | } |
| 430 | // For now, only support returning children of tasks created by the organizer. |
| 431 | if (!task.mCreatedByOrganizer) { |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 432 | Slog.w(TAG, "Can only get children of root tasks created via createRootTask"); |
| 433 | return null; |
| 434 | } |
| 435 | ArrayList<RunningTaskInfo> out = new ArrayList<>(); |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 436 | for (int i = task.getChildCount() - 1; i >= 0; --i) { |
| 437 | final Task child = task.getChildAt(i).asTask(); |
| 438 | if (child == null) continue; |
| 439 | if (activityTypes != null |
| 440 | && !ArrayUtils.contains(activityTypes, child.getActivityType())) { |
| 441 | continue; |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 442 | } |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 443 | out.add(child.getTaskInfo()); |
Evan Rosky | a8fde15 | 2020-01-07 19:09:13 -0800 | [diff] [blame] | 444 | } |
| 445 | return out; |
| 446 | } |
| 447 | } finally { |
| 448 | Binder.restoreCallingIdentity(ident); |
| 449 | } |
| 450 | } |
| 451 | |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame] | 452 | @Override |
| 453 | public List<RunningTaskInfo> getRootTasks(int displayId, @Nullable int[] activityTypes) { |
| 454 | enforceStackPermission("getRootTasks()"); |
| 455 | final long ident = Binder.clearCallingIdentity(); |
| 456 | try { |
| 457 | synchronized (mGlobalLock) { |
| 458 | final DisplayContent dc = |
| 459 | mService.mRootWindowContainer.getDisplayContent(displayId); |
| 460 | if (dc == null) { |
| 461 | throw new IllegalArgumentException("Display " + displayId + " doesn't exist"); |
| 462 | } |
| 463 | ArrayList<RunningTaskInfo> out = new ArrayList<>(); |
| 464 | for (int i = dc.getStackCount() - 1; i >= 0; --i) { |
Louis Chang | a009c76 | 2020-02-26 11:21:31 +0800 | [diff] [blame] | 465 | final Task task = dc.getStackAt(i); |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame] | 466 | if (activityTypes != null |
| 467 | && !ArrayUtils.contains(activityTypes, task.getActivityType())) { |
| 468 | continue; |
| 469 | } |
Winson Chung | 66b08f0 | 2020-03-03 14:32:35 -0800 | [diff] [blame] | 470 | out.add(task.getTaskInfo()); |
Evan Rosky | 29d4a0a | 2020-02-04 16:40:44 -0800 | [diff] [blame] | 471 | } |
| 472 | return out; |
| 473 | } |
| 474 | } finally { |
| 475 | Binder.restoreCallingIdentity(ident); |
| 476 | } |
| 477 | } |
Winson Chung | 268eccb | 2020-03-26 13:43:44 -0700 | [diff] [blame] | 478 | |
Winson Chung | a1f869d | 2020-03-21 23:02:48 -0700 | [diff] [blame^] | 479 | @Override |
| 480 | public void setInterceptBackPressedOnTaskRoot(ITaskOrganizer organizer, |
| 481 | boolean interceptBackPressed) { |
| 482 | enforceStackPermission("setInterceptBackPressedOnTaskRoot()"); |
| 483 | final long origId = Binder.clearCallingIdentity(); |
| 484 | try { |
| 485 | synchronized (mGlobalLock) { |
| 486 | final TaskOrganizerState state = mTaskOrganizerStates.get(organizer.asBinder()); |
| 487 | if (state != null) { |
| 488 | state.setInterceptBackPressedOnTaskRoot(interceptBackPressed); |
| 489 | } |
| 490 | } |
| 491 | } finally { |
| 492 | Binder.restoreCallingIdentity(origId); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | public boolean handleInterceptBackPressedOnTaskRoot(Task task) { |
| 497 | if (task == null || !task.isOrganized()) { |
| 498 | return false; |
| 499 | } |
| 500 | |
| 501 | final TaskOrganizerState state = mTaskOrganizerStates.get(task.mTaskOrganizer.asBinder()); |
| 502 | if (!state.mInterceptBackPressedOnTaskRoot) { |
| 503 | return false; |
| 504 | } |
| 505 | |
| 506 | try { |
| 507 | state.mOrganizer.onBackPressedOnTaskRoot(task.getTaskInfo()); |
| 508 | } catch (Exception e) { |
| 509 | Slog.e(TAG, "Exception sending interceptBackPressedOnTaskRoot callback" + e); |
| 510 | } |
| 511 | return true; |
| 512 | } |
| 513 | |
Winson Chung | 268eccb | 2020-03-26 13:43:44 -0700 | [diff] [blame] | 514 | public void dump(PrintWriter pw, String prefix) { |
| 515 | final String innerPrefix = prefix + " "; |
| 516 | pw.print(prefix); pw.println("TaskOrganizerController:"); |
| 517 | pw.print(innerPrefix); pw.println("Per windowing mode:"); |
| 518 | for (int i = 0; i < mTaskOrganizersForWindowingMode.size(); i++) { |
| 519 | final int windowingMode = mTaskOrganizersForWindowingMode.keyAt(i); |
| 520 | final List<IBinder> taskOrgs = mTaskOrganizersForWindowingMode.valueAt(i); |
| 521 | pw.println(innerPrefix + " " |
| 522 | + WindowConfiguration.windowingModeToString(windowingMode) + ":"); |
| 523 | for (int j = 0; j < taskOrgs.size(); j++) { |
| 524 | final TaskOrganizerState state = mTaskOrganizerStates.get(taskOrgs.get(j)); |
| 525 | final ArrayList<Task> tasks = state.mOrganizedTasks; |
| 526 | pw.print(innerPrefix + " "); |
| 527 | pw.println(state.mOrganizer + " uid=" + state.mUid + ":"); |
| 528 | for (int k = 0; k < tasks.size(); k++) { |
| 529 | pw.println(innerPrefix + " " + tasks.get(k)); |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | } |
| 534 | pw.println(); |
| 535 | } |
Robert Carr | 8a2f913 | 2019-11-11 15:03:15 -0800 | [diff] [blame] | 536 | } |