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/*
* Copyright (C) 2013 Jorge Ruesga
*
* 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.ruesga.android.wallpapers.photophase;
import android.content.Context;
import android.opengl.GLSurfaceView;
import android.service.wallpaper.WallpaperService;
import android.view.SurfaceHolder;
/**
* An abstract class for using a {@link GLSurfaceView} inside a {@link WallpaperService}.
*/
public abstract class EGLWallpaperService extends WallpaperService {
/**
* A listener interface for the {@link GLESWallpaperService.GLESEngine} engine class.
*/
public interface EGLEngineListener {
// No methods
}
/**
* An EGL implementation of {@link android.service.wallpaper.WallpaperService.Engine} that
* uses {@link GLSurfaceView}.
*/
public class EGLEngine extends Engine {
/**
* The internal {@link GLSurfaceView}.
*/
class WallpaperGLSurfaceView extends GLSurfaceView {
/**
* @see GLSurfaceView
*/
WallpaperGLSurfaceView(Context context) {
super(context);
}
/**
* {@inheritDoc}
*/
@Override
public SurfaceHolder getHolder() {
return getSurfaceHolder();
}
/**
* Should be called when the {@link GLSurfaceView} is not needed anymore.
*/
public void onDestroy() {
super.onDetachedFromWindow();
}
}
private WallpaperGLSurfaceView mGlSurfaceView;
/**
* Method that sets the EGL engine listener
*
* @param listener The EGL engine listener
*/
public void setEGLEngineListener(EGLEngineListener listener) {
// No methods
}
/**
* {@inheritDoc}
*/
@Override
public void onCreate(SurfaceHolder surfaceHolder) {
super.onCreate(surfaceHolder);
mGlSurfaceView = createWallpaperGLSurfaceView();
}
/**
* Method that returns the internal {@link GLSurfaceView}
*
* @return GLSurfaceView The internal {@link GLSurfaceView}.
*/
protected GLSurfaceView getGlSurfaceView() {
return mGlSurfaceView;
}
/**
* {@inheritDoc}
*/
@Override
public void onDestroy() {
super.onDestroy();
mGlSurfaceView.onDestroy();
}
/**
* Override this method if a {@link GLSurfaceView} wrapper is needed, for example
* if you need implements some eve
*
* @return WallpaperGLSurfaceView The specialized EGL {@link GLSurfaceView}.
*/
public WallpaperGLSurfaceView createWallpaperGLSurfaceView() {
return new WallpaperGLSurfaceView(EGLWallpaperService.this);
}
}
}
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