| /* |
| * Copyright (C) 2020 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 static android.app.ActivityTaskManager.INVALID_TASK_ID; |
| import static android.app.WindowConfiguration.ACTIVITY_TYPE_UNDEFINED; |
| import static android.content.pm.ActivityInfo.RESIZE_MODE_RESIZEABLE; |
| import static android.content.pm.ActivityInfo.RESIZE_MODE_UNRESIZEABLE; |
| |
| import android.app.ActivityManager; |
| import android.app.TaskInfo; |
| import android.app.WindowConfiguration; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| import android.os.IBinder; |
| import android.util.Slog; |
| import android.view.SurfaceControl; |
| |
| import java.util.ArrayList; |
| import java.util.Comparator; |
| |
| /** |
| * A Tile. Right now this acts as a proxy for manipulating non-child stacks. Eventually, this |
| * can become an actual parent. |
| */ |
| // TODO(task-hierarchy): Remove when tasks can nest >2 or when single tasks can handle their |
| // own lifecycles. |
| public class TaskTile extends ActivityStack { |
| private static final String TAG = "TaskTile"; |
| final ArrayList<WindowContainer> mChildren = new ArrayList<>(); |
| |
| private static ActivityInfo createEmptyActivityInfo() { |
| ActivityInfo info = new ActivityInfo(); |
| info.applicationInfo = new ApplicationInfo(); |
| return info; |
| } |
| |
| TaskTile(ActivityTaskManagerService atmService, int id, int windowingMode) { |
| super(atmService, id, new Intent() /*intent*/, null /*affinityIntent*/, null /*affinity*/, |
| null /*rootAffinity*/, null /*realActivity*/, null /*origActivity*/, |
| false /*rootWasReset*/, false /*autoRemoveRecents*/, false /*askedCompatMode*/, |
| 0 /*userId*/, 0 /*effectiveUid*/, null /*lastDescription*/, |
| System.currentTimeMillis(), true /*neverRelinquishIdentity*/, |
| new ActivityManager.TaskDescription(), id, INVALID_TASK_ID, INVALID_TASK_ID, |
| 0 /*taskAffiliationColor*/, 0 /*callingUid*/, "" /*callingPackage*/, |
| RESIZE_MODE_RESIZEABLE, false /*supportsPictureInPicture*/, |
| false /*_realActivitySuspended*/, false /*userSetupComplete*/, INVALID_MIN_SIZE, |
| INVALID_MIN_SIZE, createEmptyActivityInfo(), null /*voiceSession*/, |
| null /*voiceInteractor*/, null /*stack*/); |
| getRequestedOverrideConfiguration().windowConfiguration.setWindowingMode(windowingMode); |
| } |
| |
| @Override |
| void onDisplayChanged(DisplayContent dc) { |
| mDisplayContent = null; |
| if (dc != null) { |
| dc.getPendingTransaction().merge(getPendingTransaction()); |
| } |
| mDisplayContent = dc; |
| // Virtual parent, so don't notify children. |
| } |
| |
| /** |
| * If there is a disconnection, this will clean up any vestigial surfaces left on the tile |
| * leash by moving known children to a new surfacecontrol and then removing the old one. |
| */ |
| void cleanupSurfaces() { |
| if (mSurfaceControl == null) { |
| return; |
| } |
| SurfaceControl oldSurface = mSurfaceControl; |
| WindowContainer parentWin = getParent(); |
| if (parentWin == null) { |
| return; |
| } |
| mSurfaceControl = parentWin.makeChildSurface(null).setName("TaskTile " + mTaskId + " - " |
| + getRequestedOverrideWindowingMode()).setContainerLayer().build(); |
| SurfaceControl.Transaction t = parentWin.getPendingTransaction(); |
| t.show(mSurfaceControl); |
| for (int i = 0; i < mChildren.size(); ++i) { |
| if (mChildren.get(i).getSurfaceControl() == null) { |
| continue; |
| } |
| mChildren.get(i).reparentSurfaceControl(t, mSurfaceControl); |
| } |
| t.remove(oldSurface); |
| } |
| |
| @Override |
| protected void addChild(WindowContainer child, Comparator<WindowContainer> comparator) { |
| throw new RuntimeException("Improper use of addChild() on Tile"); |
| } |
| |
| @Override |
| void addChild(WindowContainer child, int index) { |
| mChildren.add(child); |
| if (child instanceof ActivityStack) { |
| ((ActivityStack) child).setTile(this); |
| } |
| mAtmService.mTaskOrganizerController.dispatchTaskInfoChanged( |
| this, false /* force */); |
| } |
| |
| @Override |
| void removeChild(WindowContainer child) { |
| if (child instanceof ActivityStack) { |
| ((ActivityStack) child).setTile(null); |
| } |
| mChildren.remove(child); |
| mAtmService.mTaskOrganizerController.dispatchTaskInfoChanged( |
| this, false /* force */); |
| } |
| |
| void removeAllChildren() { |
| for (int i = mChildren.size() - 1; i >= 0; --i) { |
| final WindowContainer child = mChildren.get(i); |
| if (child instanceof ActivityStack) { |
| ((ActivityStack) child).setTile(null); |
| } |
| } |
| mChildren.clear(); |
| mAtmService.mTaskOrganizerController.dispatchTaskInfoChanged( |
| this, false /* force */); |
| } |
| |
| @Override |
| protected int getChildCount() { |
| // Currently 0 as this isn't a proper hierarchy member yet. |
| return 0; |
| } |
| |
| @Override |
| public void setWindowingMode(/*@WindowConfiguration.WindowingMode*/ int windowingMode) { |
| Configuration c = new Configuration(getRequestedOverrideConfiguration()); |
| c.windowConfiguration.setWindowingMode(windowingMode); |
| onRequestedOverrideConfigurationChanged(c); |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newParentConfig) { |
| super.onConfigurationChanged(newParentConfig); |
| for (int i = mChildren.size() - 1; i >= 0; --i) { |
| final WindowContainer child = mChildren.get(i); |
| child.onConfigurationChanged(child.getParent().getConfiguration()); |
| } |
| } |
| |
| /** |
| * Until this can be part of the hierarchy, the Stack level can use this utility during |
| * resolveOverrideConfig to simulate inheritance. |
| */ |
| void updateResolvedConfig(Configuration inOutResolvedConfig) { |
| Rect resolveBounds = inOutResolvedConfig.windowConfiguration.getBounds(); |
| if (resolveBounds == null || resolveBounds.isEmpty()) { |
| resolveBounds.set(getRequestedOverrideBounds()); |
| } |
| int stackMode = inOutResolvedConfig.windowConfiguration.getWindowingMode(); |
| if (stackMode == WindowConfiguration.WINDOWING_MODE_UNDEFINED |
| || stackMode == WindowConfiguration.WINDOWING_MODE_FULLSCREEN) { |
| // Also replace FULLSCREEN because we interpret FULLSCREEN as "fill parent" |
| inOutResolvedConfig.windowConfiguration.setWindowingMode( |
| getRequestedOverrideWindowingMode()); |
| } |
| if (inOutResolvedConfig.smallestScreenWidthDp |
| == Configuration.SMALLEST_SCREEN_WIDTH_DP_UNDEFINED) { |
| inOutResolvedConfig.smallestScreenWidthDp = |
| getRequestedOverrideConfiguration().smallestScreenWidthDp; |
| } |
| } |
| |
| @Override |
| void fillTaskInfo(TaskInfo info) { |
| super.fillTaskInfo(info); |
| WindowContainer top = null; |
| // Check mChildren.isEmpty directly because hasChild() -> getChildCount() always returns 0 |
| if (!mChildren.isEmpty()) { |
| // Find the top-most root task which is a virtual child of this Tile. Because this is a |
| // virtual parent, the mChildren order here isn't changed during hierarchy operations. |
| WindowContainer parent = mChildren.get(0).getParent(); |
| for (int i = parent.getChildCount() - 1; i >= 0; --i) { |
| if (mChildren.contains(parent.getChildAt(i))) { |
| top = parent.getChildAt(i); |
| break; |
| } |
| } |
| } |
| final Task topTask = top == null ? null : top.getTopMostTask(); |
| boolean isResizable = topTask == null || topTask.isResizeable(); |
| info.resizeMode = isResizable ? RESIZE_MODE_RESIZEABLE : RESIZE_MODE_UNRESIZEABLE; |
| info.topActivityType = top == null ? ACTIVITY_TYPE_UNDEFINED : top.getActivityType(); |
| info.configuration.setTo(getRequestedOverrideConfiguration()); |
| } |
| |
| @Override |
| void removeImmediately() { |
| removeAllChildren(); |
| super.removeImmediately(); |
| } |
| |
| static TaskTile forToken(IBinder token) { |
| try { |
| return (TaskTile) ((TaskToken) token).getContainer(); |
| } catch (ClassCastException e) { |
| Slog.w(TAG, "Bad tile token: " + token, e); |
| return null; |
| } |
| } |
| } |