| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.server.wm; |
| |
| import android.app.ActivityManager.TaskDescription; |
| import android.app.ActivityManager.TaskSnapshot; |
| import android.graphics.Rect; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.util.EventLog; |
| import android.util.Slog; |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.lang.ref.WeakReference; |
| |
| import static com.android.server.EventLogTags.WM_TASK_CREATED; |
| import static com.android.server.wm.ConfigurationContainer.BOUNDS_CHANGE_NONE; |
| import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_DOCKED_DIVIDER; |
| import static com.android.server.wm.WindowContainer.POSITION_BOTTOM; |
| import static com.android.server.wm.WindowContainer.POSITION_TOP; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_STACK; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| |
| /** |
| * Controller for the task container. This is created by activity manager to link task records to |
| * the task container they use in window manager. |
| * |
| * Test class: {@link TaskWindowContainerControllerTests} |
| */ |
| public class TaskWindowContainerController |
| extends WindowContainerController<Task, TaskWindowContainerListener> { |
| |
| private final int mTaskId; |
| private final H mHandler; |
| |
| public TaskWindowContainerController(int taskId, TaskWindowContainerListener listener, |
| StackWindowController stackController, int userId, Rect bounds, int resizeMode, |
| boolean supportsPictureInPicture, boolean toTop, boolean showForAllUsers, |
| TaskDescription taskDescription) { |
| this(taskId, listener, stackController, userId, bounds, resizeMode, |
| supportsPictureInPicture, toTop, showForAllUsers, taskDescription, |
| WindowManagerService.getInstance()); |
| } |
| |
| public TaskWindowContainerController(int taskId, TaskWindowContainerListener listener, |
| StackWindowController stackController, int userId, Rect bounds, int resizeMode, |
| boolean supportsPictureInPicture, boolean toTop, boolean showForAllUsers, |
| TaskDescription taskDescription, WindowManagerService service) { |
| super(listener, service); |
| mTaskId = taskId; |
| mHandler = new H(new WeakReference<>(this), service.mH.getLooper()); |
| |
| synchronized(mWindowMap) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, "TaskWindowContainerController: taskId=" + taskId |
| + " stack=" + stackController + " bounds=" + bounds); |
| |
| final TaskStack stack = stackController.mContainer; |
| if (stack == null) { |
| throw new IllegalArgumentException("TaskWindowContainerController: invalid stack=" |
| + stackController); |
| } |
| EventLog.writeEvent(WM_TASK_CREATED, taskId, stack.mStackId); |
| final Task task = createTask(taskId, stack, userId, resizeMode, |
| supportsPictureInPicture, taskDescription); |
| final int position = toTop ? POSITION_TOP : POSITION_BOTTOM; |
| // We only want to move the parents to the parents if we are creating this task at the |
| // top of its stack. |
| stack.addTask(task, position, showForAllUsers, toTop /* moveParents */); |
| } |
| } |
| |
| @VisibleForTesting |
| Task createTask(int taskId, TaskStack stack, int userId, int resizeMode, |
| boolean supportsPictureInPicture, TaskDescription taskDescription) { |
| return new Task(taskId, stack, userId, mService, resizeMode, supportsPictureInPicture, |
| taskDescription, this); |
| } |
| |
| @Override |
| public void removeContainer() { |
| synchronized(mWindowMap) { |
| if (mContainer == null) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, "removeTask: could not find taskId=" + mTaskId); |
| return; |
| } |
| mContainer.removeIfPossible(); |
| super.removeContainer(); |
| } |
| } |
| |
| public void positionChildAtTop(AppWindowContainerController childController) { |
| positionChildAt(childController, POSITION_TOP); |
| } |
| |
| public void positionChildAt(AppWindowContainerController childController, int position) { |
| synchronized(mService.mWindowMap) { |
| final AppWindowToken aToken = childController.mContainer; |
| if (aToken == null) { |
| Slog.w(TAG_WM, |
| "Attempted to position of non-existing app : " + childController); |
| return; |
| } |
| |
| final Task task = mContainer; |
| if (task == null) { |
| throw new IllegalArgumentException("positionChildAt: invalid task=" + this); |
| } |
| task.positionChildAt(position, aToken, false /* includeParents */); |
| } |
| } |
| |
| public void reparent(StackWindowController stackController, int position, boolean moveParents) { |
| synchronized (mWindowMap) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, "reparent: moving taskId=" + mTaskId |
| + " to stack=" + stackController + " at " + position); |
| if (mContainer == null) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, |
| "reparent: could not find taskId=" + mTaskId); |
| return; |
| } |
| final TaskStack stack = stackController.mContainer; |
| if (stack == null) { |
| throw new IllegalArgumentException("reparent: could not find stack=" |
| + stackController); |
| } |
| mContainer.reparent(stack, position, moveParents); |
| mContainer.getDisplayContent().layoutAndAssignWindowLayersIfNeeded(); |
| } |
| } |
| |
| public void setResizeable(int resizeMode) { |
| synchronized (mWindowMap) { |
| if (mContainer != null) { |
| mContainer.setResizeable(resizeMode); |
| } |
| } |
| } |
| |
| public void resize(boolean relayout, boolean forced) { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| throw new IllegalArgumentException("resizeTask: taskId " + mTaskId + " not found."); |
| } |
| |
| if (mContainer.setBounds(mContainer.getOverrideBounds(), forced) != BOUNDS_CHANGE_NONE |
| && relayout) { |
| mContainer.getDisplayContent().layoutAndAssignWindowLayersIfNeeded(); |
| } |
| } |
| } |
| |
| public void getBounds(Rect bounds) { |
| synchronized (mWindowMap) { |
| if (mContainer != null) { |
| mContainer.getBounds(bounds); |
| return; |
| } |
| bounds.setEmpty(); |
| } |
| } |
| |
| /** |
| * Puts this task into docked drag resizing mode. See {@link DragResizeMode}. |
| * |
| * @param resizing Whether to put the task into drag resize mode. |
| */ |
| public void setTaskDockedResizing(boolean resizing) { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| Slog.w(TAG_WM, "setTaskDockedResizing: taskId " + mTaskId + " not found."); |
| return; |
| } |
| mContainer.setDragResizing(resizing, DRAG_RESIZE_MODE_DOCKED_DIVIDER); |
| } |
| } |
| |
| public void cancelWindowTransition() { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| Slog.w(TAG_WM, "cancelWindowTransition: taskId " + mTaskId + " not found."); |
| return; |
| } |
| mContainer.cancelTaskWindowTransition(); |
| } |
| } |
| |
| public void cancelThumbnailTransition() { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| Slog.w(TAG_WM, "cancelThumbnailTransition: taskId " + mTaskId + " not found."); |
| return; |
| } |
| mContainer.cancelTaskThumbnailTransition(); |
| } |
| } |
| |
| public void setTaskDescription(TaskDescription taskDescription) { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| Slog.w(TAG_WM, "setTaskDescription: taskId " + mTaskId + " not found."); |
| return; |
| } |
| mContainer.setTaskDescription(taskDescription); |
| } |
| } |
| |
| void reportSnapshotChanged(TaskSnapshot snapshot) { |
| mHandler.obtainMessage(H.REPORT_SNAPSHOT_CHANGED, snapshot).sendToTarget(); |
| } |
| |
| void requestResize(Rect bounds, int resizeMode) { |
| mHandler.obtainMessage(H.REQUEST_RESIZE, resizeMode, 0, bounds).sendToTarget(); |
| } |
| |
| @Override |
| public String toString() { |
| return "{TaskWindowContainerController taskId=" + mTaskId + "}"; |
| } |
| |
| private static final class H extends Handler { |
| |
| static final int REPORT_SNAPSHOT_CHANGED = 0; |
| static final int REQUEST_RESIZE = 1; |
| |
| private final WeakReference<TaskWindowContainerController> mController; |
| |
| H(WeakReference<TaskWindowContainerController> controller, Looper looper) { |
| super(looper); |
| mController = controller; |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| final TaskWindowContainerController controller = mController.get(); |
| final TaskWindowContainerListener listener = (controller != null) |
| ? controller.mListener : null; |
| if (listener == null) { |
| return; |
| } |
| switch (msg.what) { |
| case REPORT_SNAPSHOT_CHANGED: |
| listener.onSnapshotChanged((TaskSnapshot) msg.obj); |
| break; |
| case REQUEST_RESIZE: |
| listener.requestResize((Rect) msg.obj, msg.arg1); |
| break; |
| } |
| } |
| } |
| } |