| /* |
| * 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.wm.shell; |
| |
| import android.util.SparseArray; |
| import android.view.SurfaceControl; |
| import android.window.DisplayAreaAppearedInfo; |
| import android.window.DisplayAreaInfo; |
| import android.window.DisplayAreaOrganizer; |
| |
| import androidx.annotation.NonNull; |
| |
| import java.io.PrintWriter; |
| import java.util.List; |
| import java.util.concurrent.Executor; |
| |
| /** Display area organizer for the root display areas */ |
| public class RootDisplayAreaOrganizer extends DisplayAreaOrganizer { |
| |
| private static final String TAG = RootDisplayAreaOrganizer.class.getSimpleName(); |
| |
| /** {@link DisplayAreaInfo} list, which is mapped by display IDs. */ |
| private final SparseArray<DisplayAreaInfo> mDisplayAreasInfo = new SparseArray<>(); |
| /** Display area leashes, which is mapped by display IDs. */ |
| private final SparseArray<SurfaceControl> mLeashes = new SparseArray<>(); |
| |
| public RootDisplayAreaOrganizer(Executor executor) { |
| super(executor); |
| List<DisplayAreaAppearedInfo> infos = registerOrganizer(FEATURE_ROOT); |
| for (int i = infos.size() - 1; i >= 0; --i) { |
| onDisplayAreaAppeared(infos.get(i).getDisplayAreaInfo(), infos.get(i).getLeash()); |
| } |
| } |
| |
| public void attachToDisplayArea(int displayId, SurfaceControl.Builder b) { |
| final SurfaceControl sc = mLeashes.get(displayId); |
| if (sc != null) { |
| b.setParent(sc); |
| } |
| } |
| |
| @Override |
| public void onDisplayAreaAppeared(@NonNull DisplayAreaInfo displayAreaInfo, |
| @NonNull SurfaceControl leash) { |
| if (displayAreaInfo.featureId != FEATURE_ROOT) { |
| throw new IllegalArgumentException( |
| "Unknown feature: " + displayAreaInfo.featureId |
| + "displayAreaInfo:" + displayAreaInfo); |
| } |
| |
| final int displayId = displayAreaInfo.displayId; |
| if (mDisplayAreasInfo.get(displayId) != null) { |
| throw new IllegalArgumentException( |
| "Duplicate DA for displayId: " + displayId |
| + " displayAreaInfo:" + displayAreaInfo |
| + " mDisplayAreasInfo.get():" + mDisplayAreasInfo.get(displayId)); |
| } |
| |
| mDisplayAreasInfo.put(displayId, displayAreaInfo); |
| mLeashes.put(displayId, leash); |
| } |
| |
| @Override |
| public void onDisplayAreaVanished(@NonNull DisplayAreaInfo displayAreaInfo) { |
| final int displayId = displayAreaInfo.displayId; |
| if (mDisplayAreasInfo.get(displayId) == null) { |
| throw new IllegalArgumentException( |
| "onDisplayAreaVanished() Unknown DA displayId: " + displayId |
| + " displayAreaInfo:" + displayAreaInfo |
| + " mDisplayAreasInfo.get():" + mDisplayAreasInfo.get(displayId)); |
| } |
| |
| mDisplayAreasInfo.remove(displayId); |
| mLeashes.get(displayId).release(); |
| mLeashes.remove(displayId); |
| } |
| |
| @Override |
| public void onDisplayAreaInfoChanged(@NonNull DisplayAreaInfo displayAreaInfo) { |
| final int displayId = displayAreaInfo.displayId; |
| if (mDisplayAreasInfo.get(displayId) == null) { |
| throw new IllegalArgumentException( |
| "onDisplayAreaInfoChanged() Unknown DA displayId: " + displayId |
| + " displayAreaInfo:" + displayAreaInfo |
| + " mDisplayAreasInfo.get():" + mDisplayAreasInfo.get(displayId)); |
| } |
| |
| mDisplayAreasInfo.put(displayId, displayAreaInfo); |
| } |
| |
| public void dump(@NonNull PrintWriter pw, String prefix) { |
| final String innerPrefix = prefix + " "; |
| final String childPrefix = innerPrefix + " "; |
| pw.println(prefix + this); |
| } |
| |
| @Override |
| public String toString() { |
| return TAG + "#" + mDisplayAreasInfo.size(); |
| } |
| |
| } |