blob: 413fdbc98cc130487c6165f0caf94bee6eede2ba [file] [log] [blame]
/*
* Copyright (C) 2010 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.wallpaper.holospiral;
import android.graphics.PixelFormat;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.renderscript.RenderScript;
import android.renderscript.RenderScriptGL;
import android.service.wallpaper.WallpaperService;
import android.view.Surface;
import android.view.SurfaceHolder;
public class HoloSpiralWallpaper extends WallpaperService {
@Override
public Engine onCreateEngine() {
return new RenderScriptEngine();
}
private class RenderScriptEngine extends Engine {
private RenderScriptGL mRenderScript = null;
private HoloSpiralRS mWallpaperRS = null;
@Override
public void onCreate(SurfaceHolder surfaceHolder) {
super.onCreate(surfaceHolder);
setTouchEventsEnabled(true);
surfaceHolder.setSizeFromLayout();
surfaceHolder.setFormat(PixelFormat.RGBA_8888);
}
@Override
public void onDestroy() {
super.onDestroy();
destroyRenderer();
}
public void destroyRenderer() {
if (mWallpaperRS != null) {
mWallpaperRS.stop();
mWallpaperRS = null;
}
if (mRenderScript != null) {
mRenderScript.setSurface(null, 0, 0);
mRenderScript.destroy();
mRenderScript = null;
}
}
@Override
public void onSurfaceCreated(SurfaceHolder surfaceHolder) {
super.onSurfaceCreated(surfaceHolder);
RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
mRenderScript = new RenderScriptGL(HoloSpiralWallpaper.this, sc);
mRenderScript.setPriority(RenderScript.Priority.LOW);
}
@Override
public void onSurfaceDestroyed(SurfaceHolder surfaceHolder) {
super.onSurfaceDestroyed(surfaceHolder);
destroyRenderer();
}
@Override
public void onSurfaceChanged(SurfaceHolder surfaceHolder, int format,
int width, int height) {
super.onSurfaceChanged(surfaceHolder, format, width, height);
if (mRenderScript != null) {
mRenderScript.setSurface(surfaceHolder, width, height);
}
if (mWallpaperRS == null) {
mWallpaperRS = new HoloSpiralRS(mRenderScript, getResources());
mWallpaperRS.start();
}
mWallpaperRS.resize(width, height);
}
@Override
public Bundle onCommand(String action, int x, int y, int z, Bundle extras,
boolean resultRequested) {
if (mWallpaperRS != null) {
return mWallpaperRS.onCommand(action, x, y, z, extras, resultRequested);
}
return null;
}
@Override
public void onVisibilityChanged(boolean visible) {
super.onVisibilityChanged(visible);
if (mWallpaperRS != null) {
if (visible) {
mWallpaperRS.start();
} else {
mWallpaperRS.stop();
}
}
}
@Override
public void onOffsetsChanged(float xOffset, float yOffset, float xOffsetStep,
float yOffsetStep, int xPixelOffset, int yPixelOffset) {
mWallpaperRS.setOffset(xOffset, yOffset, xPixelOffset, yPixelOffset);
}
}
}