Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 17 | package com.android.wallpaper; |
| 18 | |
| 19 | import android.service.wallpaper.WallpaperService; |
Mike Cleron | c9e42c2 | 2009-10-23 16:54:59 -0700 | [diff] [blame] | 20 | import android.os.Bundle; |
Jason Sams | b418c5c | 2010-02-09 16:01:16 -0800 | [diff] [blame] | 21 | import android.renderscript.RenderScriptGL; |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 22 | import android.renderscript.RenderScript; |
| 23 | import android.view.SurfaceHolder; |
| 24 | import android.view.Surface; |
| 25 | |
| 26 | public abstract class RenderScriptWallpaper<T extends RenderScriptScene> extends WallpaperService { |
| 27 | public Engine onCreateEngine() { |
| 28 | return new RenderScriptEngine(); |
| 29 | } |
| 30 | |
| 31 | protected abstract T createScene(int width, int height); |
| 32 | |
| 33 | private class RenderScriptEngine extends Engine { |
Jason Sams | b418c5c | 2010-02-09 16:01:16 -0800 | [diff] [blame] | 34 | private RenderScriptGL mRs; |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 35 | private T mRenderer; |
| 36 | |
| 37 | @Override |
| 38 | public void onCreate(SurfaceHolder surfaceHolder) { |
| 39 | super.onCreate(surfaceHolder); |
| 40 | setTouchEventsEnabled(false); |
| 41 | surfaceHolder.setSizeFromLayout(); |
| 42 | } |
| 43 | |
| 44 | @Override |
| 45 | public void onDestroy() { |
| 46 | super.onDestroy(); |
| 47 | destroyRenderer(); |
| 48 | } |
| 49 | |
| 50 | private void destroyRenderer() { |
| 51 | if (mRenderer != null) { |
| 52 | mRenderer.stop(); |
| 53 | mRenderer = null; |
| 54 | } |
| 55 | if (mRs != null) { |
| 56 | mRs.destroy(); |
| 57 | mRs = null; |
Jason Sams | 9182eb0 | 2009-11-12 14:11:28 -0800 | [diff] [blame] | 58 | } |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public void onVisibilityChanged(boolean visible) { |
| 63 | super.onVisibilityChanged(visible); |
Romain Guy | d115190 | 2009-09-16 12:35:46 -0700 | [diff] [blame] | 64 | if (mRenderer != null) { |
| 65 | if (visible) { |
Jason Sams | 9182eb0 | 2009-11-12 14:11:28 -0800 | [diff] [blame] | 66 | mRenderer.start(); |
Romain Guy | d115190 | 2009-09-16 12:35:46 -0700 | [diff] [blame] | 67 | } else { |
| 68 | mRenderer.stop(); |
| 69 | } |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 70 | } |
| 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public void onSurfaceChanged(SurfaceHolder holder, int format, int width, int height) { |
| 75 | super.onSurfaceChanged(holder, format, width, height); |
Jason Sams | 9182eb0 | 2009-11-12 14:11:28 -0800 | [diff] [blame] | 76 | if (mRs != null) { |
| 77 | mRs.contextSetSurface(width, height, holder.getSurface()); |
| 78 | } |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 79 | if (mRenderer == null) { |
| 80 | mRenderer = createScene(width, height); |
Romain Guy | 0ac0b3f | 2009-09-13 03:40:04 -0700 | [diff] [blame] | 81 | mRenderer.init(mRs, getResources(), isPreview()); |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 82 | mRenderer.start(); |
| 83 | } else { |
| 84 | mRenderer.resize(width, height); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | @Override |
Jason Sams | 9182eb0 | 2009-11-12 14:11:28 -0800 | [diff] [blame] | 89 | public void onOffsetsChanged(float xOffset, float yOffset, |
Marco Nelissen | 06d2076 | 2009-11-09 15:40:07 -0800 | [diff] [blame] | 90 | float xStep, float yStep, int xPixels, int yPixels) { |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 91 | mRenderer.setOffset(xOffset, yOffset, xPixels, yPixels); |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public void onSurfaceCreated(SurfaceHolder holder) { |
| 96 | super.onSurfaceCreated(holder); |
| 97 | |
| 98 | Surface surface = null; |
| 99 | while (surface == null) { |
| 100 | surface = holder.getSurface(); |
| 101 | } |
Jason Sams | b418c5c | 2010-02-09 16:01:16 -0800 | [diff] [blame] | 102 | mRs = new RenderScriptGL(false, false); |
Jason Sams | ecf5176 | 2009-11-12 17:48:44 -0800 | [diff] [blame] | 103 | mRs.contextSetPriority(RenderScript.Priority.LOW); |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | @Override |
| 107 | public void onSurfaceDestroyed(SurfaceHolder holder) { |
| 108 | super.onSurfaceDestroyed(holder); |
| 109 | destroyRenderer(); |
| 110 | } |
Mike Cleron | c9e42c2 | 2009-10-23 16:54:59 -0700 | [diff] [blame] | 111 | |
| 112 | @Override |
| 113 | public Bundle onCommand(String action, int x, int y, int z, |
| 114 | Bundle extras, boolean resultRequested) { |
| 115 | return mRenderer.onCommand(action, x, y, z, extras, resultRequested); |
| 116 | } |
Jason Sams | 9182eb0 | 2009-11-12 14:11:28 -0800 | [diff] [blame] | 117 | |
Romain Guy | 44da178 | 2009-08-28 11:03:21 -0700 | [diff] [blame] | 118 | } |
| 119 | } |