SurfaceContainer.java
/*
* Copyright 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 androidx.car.app;
import android.view.Surface;
import androidx.annotation.Keep;
import androidx.annotation.Nullable;
import androidx.car.app.annotations.CarProtocol;
/** A container for the {@link Surface} created by the host and its associated properties. */
@CarProtocol
public final class SurfaceContainer {
@Keep
@Nullable
private final Surface mSurface;
@Keep
private final int mWidth;
@Keep
private final int mHeight;
@Keep
private final int mDpi;
public SurfaceContainer(@Nullable Surface surface, int width, int height, int dpi) {
mSurface = surface;
mWidth = width;
mHeight = height;
mDpi = dpi;
}
// No argument constructor needs for serialization.
private SurfaceContainer() {
mSurface = null;
mWidth = 0;
mHeight = 0;
mDpi = 0;
}
/** Returns the {@link Surface} held by the host or {@code null} if the surface is not ready. */
@Nullable
public Surface getSurface() {
return mSurface;
}
/** Returns the width of the surface or 0 if the surface is not ready. */
public int getWidth() {
return mWidth;
}
/** Returns the height of the surface or 0 if the surface is not ready. */
public int getHeight() {
return mHeight;
}
/** Returns the pixel density of the surface or 0 if the surface is not ready. */
public int getDpi() {
return mDpi;
}
@Override
public String toString() {
return "[" + mSurface + ", " + mWidth + "x" + mHeight + ", dpi: " + mDpi + "]";
}
}