RenderScriptWallpaper.java revision 423d39f6a9fd7b6399b92a272eadc49676375f48
1423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen/* 2423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * Copyright (C) 2009 The Android Open Source Project 3423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * 4423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * Licensed under the Apache License, Version 2.0 (the "License"); 5423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * you may not use this file except in compliance with the License. 6423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * You may obtain a copy of the License at 7423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * 8423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * http://www.apache.org/licenses/LICENSE-2.0 9423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * 10423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * Unless required by applicable law or agreed to in writing, software 11423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * distributed under the License is distributed on an "AS IS" BASIS, 12423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * See the License for the specific language governing permissions and 14423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen * limitations under the License. 15423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen */ 16423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 17423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 18423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissenpackage com.android.magicsmoke; 19423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 20423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissenimport android.service.wallpaper.WallpaperService; 21423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissenimport android.renderscript.RenderScript; 22423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissenimport android.util.Log; 23423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissenimport android.view.MotionEvent; 24423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissenimport android.view.SurfaceHolder; 25423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissenimport android.view.Surface; 26423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 27423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissenpublic abstract class RenderScriptWallpaper<T extends RenderScriptScene> extends WallpaperService { 28423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen public Engine onCreateEngine() { 29423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen return new RenderScriptEngine(); 30423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 31423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 32423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen protected abstract T createScene(int width, int height); 33423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 34423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen private class RenderScriptEngine extends Engine { 35423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen private RenderScript mRs; 36423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen private T mRenderer; 37423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 38423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen @Override 39423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen public void onCreate(SurfaceHolder surfaceHolder) { 40423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen super.onCreate(surfaceHolder); 41423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen setTouchEventsEnabled(true); 42423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen surfaceHolder.setSizeFromLayout(); 43423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 44423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 45423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen @Override 46423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen public void onDestroy() { 47423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen super.onDestroy(); 48423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen destroyRenderer(); 49423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 50423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 51423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen private void destroyRenderer() { 52423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen if (mRenderer != null) { 53423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer.stop(); 54423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer = null; 55423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 56423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen if (mRs != null) { 57423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRs.destroy(); 58423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRs = null; 59423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 60423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 61423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 62423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen @Override 63423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen public void onVisibilityChanged(boolean visible) { 64423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen super.onVisibilityChanged(visible); 65423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen if (mRenderer != null) { 66423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen if (visible) { 67423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer.start(); 68423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } else { 69423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer.stop(); 70423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 71423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 72423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 73423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 74423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen @Override 75423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen public void onSurfaceChanged(SurfaceHolder holder, int format, int width, int height) { 76423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen super.onSurfaceChanged(holder, format, width, height); 77423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen if (mRenderer == null) { 78423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer = createScene(width, height); 79423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer.init(mRs, getResources(), isPreview()); 80423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer.start(); 81423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } else { 82423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer.resize(width, height); 83423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 84423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 85423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 86423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen @Override 87423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen public void onTouchEvent(MotionEvent event) { 88423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer.onTouchEvent(event); 89423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 90423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 91423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen @Override 92423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen public void onOffsetsChanged(float xOffset, float yOffset, 93423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen float xStep, float yStep, int xPixels, int yPixels) { 94423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRenderer.setOffset(xOffset, yOffset, xStep, yStep, xPixels, yPixels); 95423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 96423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 97423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen @Override 98423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen public void onSurfaceCreated(SurfaceHolder holder) { 99423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen super.onSurfaceCreated(holder); 100423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 101423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen Surface surface = null; 102423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen while (surface == null) { 103423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen surface = holder.getSurface(); 104423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 105423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen mRs = new RenderScript(surface, false, false); 106423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 107423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen 108423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen @Override 109423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen public void onSurfaceDestroyed(SurfaceHolder holder) { 110423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen super.onSurfaceDestroyed(holder); 111423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen destroyRenderer(); 112423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 113423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen } 114423d39f6a9fd7b6399b92a272eadc49676375f48Marco Nelissen} 115