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/*
* 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);
}
@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();
}
}
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