com/android/systemui/shared/system/SurfaceControlCompat.java

/*
 * 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.systemui.shared.system;

import android.view.SurfaceControl;
import android.view.View;
import android.view.ViewRootImpl;

public class SurfaceControlCompat {
    final SurfaceControl mSurfaceControl;

    public SurfaceControlCompat(SurfaceControl surfaceControl) {
        mSurfaceControl = surfaceControl;
    }

    public SurfaceControlCompat(View v) {
        ViewRootImpl viewRootImpl = v.getViewRootImpl();
        mSurfaceControl = viewRootImpl != null
                ? viewRootImpl.getSurfaceControl()
                : null;
    }

    public boolean isValid() {
        return mSurfaceControl != null && mSurfaceControl.isValid();
    }
}