| /* |
| * 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.TaskSnapshot; |
| import android.content.res.Configuration; |
| 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 static com.android.server.EventLogTags.WM_TASK_CREATED; |
| 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 static final int REPORT_SNAPSHOT_CHANGED = 0; |
| |
| private final int mTaskId; |
| |
| private final Handler mHandler = new Handler(Looper.getMainLooper()) { |
| |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case REPORT_SNAPSHOT_CHANGED: |
| mListener.onSnapshotChanged((TaskSnapshot) msg.obj); |
| break; |
| } |
| } |
| }; |
| |
| public TaskWindowContainerController(int taskId, TaskWindowContainerListener listener, |
| int stackId, int userId, Rect bounds, Configuration overrideConfig, int resizeMode, |
| boolean homeTask, boolean isOnTopLauncher, boolean toTop, boolean showForAllUsers) { |
| super(listener, WindowManagerService.getInstance()); |
| mTaskId = taskId; |
| |
| synchronized(mWindowMap) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, "TaskWindowContainerController: taskId=" + taskId |
| + " stackId=" + stackId + " bounds=" + bounds); |
| |
| // TODO: Pass controller for the stack to get the container object when stack is |
| // switched to use controller. |
| final TaskStack stack = mService.mStackIdToStack.get(stackId); |
| if (stack == null) { |
| throw new IllegalArgumentException("TaskWindowContainerController: invalid stackId=" |
| + stackId); |
| } |
| EventLog.writeEvent(WM_TASK_CREATED, taskId, stackId); |
| final Task task = createTask(taskId, stack, userId, bounds, overrideConfig, resizeMode, |
| homeTask, isOnTopLauncher); |
| final int position = toTop ? POSITION_TOP : POSITION_BOTTOM; |
| stack.addTask(task, position, showForAllUsers, true /* moveParents */); |
| } |
| } |
| |
| @VisibleForTesting |
| Task createTask(int taskId, TaskStack stack, int userId, Rect bounds, |
| Configuration overrideConfig, int resizeMode, boolean homeTask, |
| boolean isOnTopLauncher) { |
| return new Task(taskId, stack, userId, mService, bounds, overrideConfig, isOnTopLauncher, |
| resizeMode, homeTask, 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 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(int stackId, int position) { |
| synchronized (mWindowMap) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, "reparent: moving taskId=" + mTaskId |
| + " to stackId=" + stackId + " at " + position); |
| if (mContainer == null) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, |
| "reparent: could not find taskId=" + mTaskId); |
| return; |
| } |
| final TaskStack stack = mService.mStackIdToStack.get(stackId); |
| if (stack == null) { |
| throw new IllegalArgumentException("reparent: could not find stackId=" + stackId); |
| } |
| mContainer.reparent(stack, position); |
| final DisplayContent displayContent = stack.getDisplayContent(); |
| displayContent.setLayoutNeeded(); |
| mService.mWindowPlacerLocked.performSurfacePlacement(); |
| } |
| } |
| |
| public void setResizeable(int resizeMode) { |
| synchronized (mWindowMap) { |
| if (mContainer != null) { |
| mContainer.setResizeable(resizeMode); |
| } |
| } |
| } |
| |
| public void resize(Rect bounds, Configuration overrideConfig, boolean relayout, |
| boolean forced) { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| throw new IllegalArgumentException("resizeTask: taskId " + mTaskId + " not found."); |
| } |
| |
| if (mContainer.resizeLocked(bounds, overrideConfig, forced) && relayout) { |
| mContainer.getDisplayContent().setLayoutNeeded(); |
| mService.mWindowPlacerLocked.performSurfacePlacement(); |
| } |
| } |
| } |
| |
| // TODO: Move to positionChildAt() in stack controller once we have a stack controller. |
| public void positionAt(int position, Rect bounds, Configuration overrideConfig) { |
| synchronized (mWindowMap) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, "positionChildAt: positioning taskId=" + mTaskId |
| + " at " + position); |
| if (mContainer == null) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, |
| "positionAt: could not find taskId=" + mTaskId); |
| return; |
| } |
| final TaskStack stack = mContainer.mStack; |
| if (stack == null) { |
| if (DEBUG_STACK) Slog.i(TAG_WM, |
| "positionAt: could not find stack for task=" + mContainer); |
| return; |
| } |
| mContainer.positionAt(position, bounds, overrideConfig); |
| final DisplayContent displayContent = stack.getDisplayContent(); |
| displayContent.setLayoutNeeded(); |
| mService.mWindowPlacerLocked.performSurfacePlacement(); |
| } |
| } |
| |
| // TODO: Replace with moveChildToTop in stack controller? |
| public void moveToTop(boolean includingParents) { |
| synchronized(mWindowMap) { |
| if (mContainer == null) { |
| Slog.e(TAG_WM, "moveToTop: taskId=" + mTaskId + " not found"); |
| return; |
| } |
| final TaskStack stack = mContainer.mStack; |
| stack.positionChildAt(POSITION_TOP, mContainer, includingParents); |
| |
| if (mService.mAppTransition.isTransitionSet()) { |
| mContainer.setSendingToBottom(false); |
| } |
| stack.getDisplayContent().layoutAndAssignWindowLayersIfNeeded(); |
| } |
| } |
| |
| // TODO: Replace with moveChildToBottom in stack controller? |
| public void moveToBottom() { |
| synchronized(mWindowMap) { |
| if (mContainer == null) { |
| Slog.e(TAG_WM, "moveTaskToBottom: taskId=" + mTaskId + " not found"); |
| return; |
| } |
| final TaskStack stack = mContainer.mStack; |
| stack.positionChildAt(POSITION_BOTTOM, mContainer, false /* includingParents */); |
| if (mService.mAppTransition.isTransitionSet()) { |
| mContainer.setSendingToBottom(true); |
| } |
| stack.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(); |
| } |
| } |
| |
| /** |
| * @return a graphic buffer representing a screenshot of a task |
| */ |
| public TaskSnapshot getSnapshot() { |
| synchronized (mWindowMap) { |
| if (mContainer == null) { |
| Slog.w(TAG_WM, "getSnapshot: taskId " + mTaskId + " not found."); |
| return null; |
| } |
| return mService.mTaskSnapshotController.getSnapshot(mContainer); |
| } |
| } |
| |
| void reportSnapshotChanged(TaskSnapshot snapshot) { |
| mHandler.obtainMessage(REPORT_SNAPSHOT_CHANGED, snapshot).sendToTarget(); |
| } |
| |
| @Override |
| public String toString() { |
| return "{TaskWindowContainerController taskId=" + mTaskId + "}"; |
| } |
| } |