| /* |
| * Copyright (C) 2018 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; |
| |
| /** |
| * Controller for the root container. This is created by activity manager to link activity |
| * stack supervisor to the root window container they use in window manager. |
| */ |
| public class RootWindowContainerController |
| extends WindowContainerController<RootWindowContainer, RootWindowContainerListener> { |
| |
| public RootWindowContainerController(RootWindowContainerListener listener) { |
| super(listener, WindowManagerService.getInstance()); |
| synchronized (mGlobalLock) { |
| mRoot.setController(this); |
| } |
| } |
| |
| void onChildPositionChanged(DisplayContent child, int position) { |
| // This callback invokes to AM directly so here assumes AM lock is held. If there is another |
| // path called only with WM lock, it should change to use handler to post or move outside of |
| // WM lock with adding AM lock. |
| mListener.onChildPositionChanged(child.getController(), position); |
| } |
| |
| /** Move the display to the given position. */ |
| public void positionChildAt(DisplayWindowController child, int position) { |
| synchronized (mGlobalLock) { |
| mContainer.positionChildAt(position, child.mContainer); |
| } |
| } |
| } |