Added TaskWindowContainerController
For linking TaskRecord in AMS to Task window container in WMS.
Bug: 30060889
Test: bit FrameworksServicesTests:com.android.server.wm.AppWindowContainerControllerTests
Test: bit FrameworksServicesTests:com.android.server.wm.TaskWindowContainerControllerTests
Test: Existing test pass and manual testing.
Change-Id: I16248f3e96e5087ba24198a48a3bd10a12ae76a6
diff --git a/services/core/java/com/android/server/wm/TaskWindowContainerController.java b/services/core/java/com/android/server/wm/TaskWindowContainerController.java
new file mode 100644
index 0000000..9c303f8
--- /dev/null
+++ b/services/core/java/com/android/server/wm/TaskWindowContainerController.java
@@ -0,0 +1,245 @@
+/*
+ * 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.content.res.Configuration;
+import android.graphics.Rect;
+import android.util.EventLog;
+import android.util.Slog;
+
+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, WindowContainerListener> {
+
+ private final int mTaskId;
+
+ public TaskWindowContainerController(int taskId, int stackId, int userId, Rect bounds,
+ Configuration overrideConfig, int resizeMode, boolean homeTask, boolean isOnTopLauncher,
+ boolean toTop, boolean showForAllUsers) {
+ super(null, 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 = new Task(taskId, stack, userId, mService, bounds, overrideConfig,
+ isOnTopLauncher, resizeMode, homeTask, this);
+ final int position = toTop ? POSITION_TOP : POSITION_BOTTOM;
+ stack.addTask(task, position, showForAllUsers, true /* moveParents */);
+ }
+ }
+
+ @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 index) {
+ 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.addChild(aToken, index);
+ }
+ }
+
+ 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) {
+ if (DEBUG_STACK) Slog.i(TAG_WM,
+ "reparent: could not find stackId=" + stackId);
+ return;
+ }
+ 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 stackId, int index, Rect bounds, Configuration overrideConfig) {
+ synchronized (mWindowMap) {
+ if (DEBUG_STACK) Slog.i(TAG_WM, "positionChildAt: positioning taskId=" + mTaskId
+ + " in stackId=" + stackId + " at " + index);
+ if (mContainer == null) {
+ if (DEBUG_STACK) Slog.i(TAG_WM,
+ "positionTaskInStack: could not find taskId=" + mTaskId);
+ return;
+ }
+ final TaskStack stack = mService.mStackIdToStack.get(stackId);
+ if (stack == null) {
+ if (DEBUG_STACK) Slog.i(TAG_WM,
+ "positionTaskInStack: could not find stackId=" + stackId);
+ return;
+ }
+ mContainer.positionTaskInStack(stack, index, 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();
+ }
+ }
+
+ @Override
+ public String toString() {
+ return "{TaskWindowContainerController taskId=" + mTaskId + "}";
+ }
+}