1 package com.android.phasebeam; 2 3 import android.app.Service; 4 import android.graphics.PixelFormat; 5 import android.os.Bundle; 6 import android.renderscript.RenderScript; 7 import android.renderscript.RenderScriptGL; 8 import android.service.wallpaper.WallpaperService; 9 import android.util.DisplayMetrics; 10 import android.view.SurfaceHolder; 11 import android.view.WindowManager; 12 13 public class PhaseBeamWallpaper extends WallpaperService { 14 15 @Override onCreateEngine()16 public Engine onCreateEngine() { 17 return new RenderScriptEngine(); 18 } 19 20 private class RenderScriptEngine extends Engine { 21 private RenderScriptGL mRenderScript = null; 22 private PhaseBeamRS mWallpaperRS = null; 23 private int mDensityDPI; 24 25 @Override onCreate(SurfaceHolder surfaceHolder)26 public void onCreate(SurfaceHolder surfaceHolder) { 27 super.onCreate(surfaceHolder); 28 setTouchEventsEnabled(true); 29 surfaceHolder.setSizeFromLayout(); 30 surfaceHolder.setFormat(PixelFormat.OPAQUE); 31 32 DisplayMetrics metrics = new DisplayMetrics(); 33 ((WindowManager) getApplication().getSystemService(Service.WINDOW_SERVICE)) 34 .getDefaultDisplay().getMetrics(metrics); 35 mDensityDPI = metrics.densityDpi; 36 } 37 38 @Override onDestroy()39 public void onDestroy() { 40 super.onDestroy(); 41 destroyRenderer(); 42 } 43 destroyRenderer()44 public void destroyRenderer() { 45 if (mWallpaperRS != null) { 46 mWallpaperRS.stop(); 47 mWallpaperRS = null; 48 } 49 50 if (mRenderScript != null) { 51 mRenderScript.setSurface(null, 0, 0); 52 mRenderScript.destroy(); 53 mRenderScript = null; 54 } 55 } 56 57 @Override onSurfaceCreated(SurfaceHolder surfaceHolder)58 public void onSurfaceCreated(SurfaceHolder surfaceHolder) { 59 super.onSurfaceCreated(surfaceHolder); 60 61 RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig(); 62 mRenderScript = new RenderScriptGL(PhaseBeamWallpaper.this, sc); 63 mRenderScript.setPriority(RenderScript.Priority.NORMAL); 64 } 65 66 @Override onSurfaceDestroyed(SurfaceHolder surfaceHolder)67 public void onSurfaceDestroyed(SurfaceHolder surfaceHolder) { 68 super.onSurfaceDestroyed(surfaceHolder); 69 destroyRenderer(); 70 } 71 72 @Override onSurfaceChanged(SurfaceHolder surfaceHolder, int format, int width, int height)73 public void onSurfaceChanged(SurfaceHolder surfaceHolder, int format, int width, 74 int height) { 75 super.onSurfaceChanged(surfaceHolder, format, width, height); 76 77 if (mRenderScript != null) { 78 mRenderScript.setSurface(surfaceHolder, width, height); 79 } 80 81 if (mWallpaperRS == null) { 82 mWallpaperRS = new PhaseBeamRS(); 83 mWallpaperRS.init(mDensityDPI, mRenderScript, getResources(), width, height); 84 mWallpaperRS.start(); 85 } 86 87 mWallpaperRS.resize(width, height); 88 } 89 90 @Override onCommand(String action, int x, int y, int z, Bundle extras, boolean resultRequested)91 public Bundle onCommand(String action, int x, int y, int z, Bundle extras, 92 boolean resultRequested) { 93 return null; 94 } 95 96 @Override onVisibilityChanged(boolean visible)97 public void onVisibilityChanged(boolean visible) { 98 super.onVisibilityChanged(visible); 99 if (mWallpaperRS != null) { 100 if (visible) { 101 mWallpaperRS.start(); 102 } else { 103 mWallpaperRS.stop(); 104 } 105 } 106 } 107 108 @Override onOffsetsChanged(float xOffset, float yOffset, float xOffsetStep, float yOffsetStep, int xPixelOffset, int yPixelOffset)109 public void onOffsetsChanged(float xOffset, float yOffset, float xOffsetStep, 110 float yOffsetStep, int xPixelOffset, int yPixelOffset) { 111 // TODO: Uncomment this once we can work out framerate issues 112 //mWallpaperRS.setOffset(xOffset, yOffset, xPixelOffset, yPixelOffset); 113 } 114 } 115 }