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

/*
 * 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.systemui.shared.system;

import android.annotation.Nullable;
import android.os.Bundle;
import android.os.IBinder;
import android.view.SurfaceControl;
import android.view.SurfaceView;

/** Util class that wraps a SurfaceView request into a bundle. */
public class SurfaceViewRequestUtils {
    private static final String KEY_HOST_TOKEN = "host_token";
    private static final String KEY_SURFACE_CONTROL = "surface_control";
    private static final String KEY_DISPLAY_ID = "display_id";

    /** Creates a SurfaceView based bundle that stores the input host token and surface control. */
    public static Bundle createSurfaceBundle(SurfaceView surfaceView) {
        Bundle bundle = new Bundle();
        bundle.putBinder(KEY_HOST_TOKEN, surfaceView.getHostToken());
        bundle.putParcelable(KEY_SURFACE_CONTROL, surfaceView.getSurfaceControl());
        bundle.putInt(KEY_DISPLAY_ID, surfaceView.getDisplay().getDisplayId());
        return bundle;
    }

    /**
     * Retrieves the SurfaceControl from a bundle created by
     * {@link #createSurfaceBundle(SurfaceView)}.
     */
    public static SurfaceControl getSurfaceControl(Bundle bundle) {
        return bundle.getParcelable(KEY_SURFACE_CONTROL);
    }

    /**
     * Retrieves the input token from a bundle created by {@link #createSurfaceBundle(SurfaceView)}.
     */
    public static @Nullable IBinder getHostToken(Bundle bundle) {
        return bundle.getBinder(KEY_HOST_TOKEN);
    }

    /**
     * Retrieves the display id from a bundle created by {@link #createSurfaceBundle(SurfaceView)}.
     */
    public static int getDisplayId(Bundle bundle) {
        return bundle.getInt(KEY_DISPLAY_ID);
    }

    private SurfaceViewRequestUtils() {}
}