| Revision | b39db62e9307518debf67f78d07c34e1e9fc14e8 (tree) |
|---|---|
| Time | 2011-07-03 00:56:20 |
| Author | Joe Berria <nexesdevelopment@gmai...> |
| Commiter | Joe Berria |
improved load speed of cached thumbnail icons
| @@ -75,47 +75,59 @@ public class ThumbnailCreator extends Thread { | ||
| 75 | 75 | |
| 76 | 76 | final File file = new File(mDir + "/" + mFiles.get(i)); |
| 77 | 77 | |
| 78 | - if (isImageFile(file.getName())) { | |
| 79 | - long len_kb = file.length() / 1024; | |
| 80 | - | |
| 81 | - BitmapFactory.Options options = new BitmapFactory.Options(); | |
| 82 | - options.outWidth = mWidth; | |
| 83 | - options.outHeight = mHeight; | |
| 84 | - | |
| 85 | - if (len_kb > 500 && len_kb < 2000) { | |
| 86 | - options.inSampleSize = 16; | |
| 87 | - options.inPurgeable = true; | |
| 88 | - options.inPreferQualityOverSpeed = false; | |
| 89 | - mThumb = new SoftReference<Bitmap>(BitmapFactory.decodeFile(file.getPath(), options)); | |
| 90 | - | |
| 91 | - } else if (len_kb >= 2000) { | |
| 92 | - options.inSampleSize = 32; | |
| 93 | - options.inPurgeable = true; | |
| 94 | - options.inPreferQualityOverSpeed = false; | |
| 95 | - mThumb = new SoftReference<Bitmap>(BitmapFactory.decodeFile(file.getPath(), options)); | |
| 96 | - | |
| 97 | - } else if (len_kb <= 500) { | |
| 98 | - options.inPurgeable = true; | |
| 99 | - mThumb = new SoftReference<Bitmap>(Bitmap.createScaledBitmap( | |
| 100 | - BitmapFactory.decodeFile(file.getPath()), | |
| 101 | - mWidth, | |
| 102 | - mHeight, | |
| 103 | - false)); | |
| 104 | - } | |
| 105 | - | |
| 106 | - final BitmapDrawable d = new BitmapDrawable(mThumb.get()); | |
| 107 | - | |
| 108 | - d.setGravity(Gravity.CENTER); | |
| 109 | - mCacheMap.put(file.getPath(), d); | |
| 110 | - | |
| 78 | + //we already loaded this thumbnail, just return it. | |
| 79 | + if (mCacheMap.containsKey(file.getPath())) { | |
| 111 | 80 | mHandler.post(new Runnable() { |
| 112 | 81 | @Override |
| 113 | 82 | public void run() { |
| 114 | 83 | Message msg = mHandler.obtainMessage(); |
| 115 | - msg.obj = (BitmapDrawable)d; | |
| 84 | + msg.obj = mCacheMap.get(file.getPath()); | |
| 116 | 85 | msg.sendToTarget(); |
| 117 | 86 | } |
| 118 | 87 | }); |
| 88 | + | |
| 89 | + //we havn't loaded it yet, lets make it. | |
| 90 | + } else { | |
| 91 | + if (isImageFile(file.getName())) { | |
| 92 | + long len_kb = file.length() / 1024; | |
| 93 | + | |
| 94 | + BitmapFactory.Options options = new BitmapFactory.Options(); | |
| 95 | + options.outWidth = mWidth; | |
| 96 | + options.outHeight = mHeight; | |
| 97 | + | |
| 98 | + if (len_kb > 500 && len_kb < 2000) { | |
| 99 | + options.inSampleSize = 16; | |
| 100 | + options.inPurgeable = true; | |
| 101 | + mThumb = new SoftReference<Bitmap>(BitmapFactory.decodeFile(file.getPath(), options)); | |
| 102 | + | |
| 103 | + } else if (len_kb >= 2000) { | |
| 104 | + options.inSampleSize = 32; | |
| 105 | + options.inPurgeable = true; | |
| 106 | + mThumb = new SoftReference<Bitmap>(BitmapFactory.decodeFile(file.getPath(), options)); | |
| 107 | + | |
| 108 | + } else if (len_kb <= 500) { | |
| 109 | + options.inPurgeable = true; | |
| 110 | + mThumb = new SoftReference<Bitmap>(Bitmap.createScaledBitmap( | |
| 111 | + BitmapFactory.decodeFile(file.getPath()), | |
| 112 | + mWidth, | |
| 113 | + mHeight, | |
| 114 | + false)); | |
| 115 | + } | |
| 116 | + | |
| 117 | + final BitmapDrawable d = new BitmapDrawable(mThumb.get()); | |
| 118 | + | |
| 119 | + d.setGravity(Gravity.CENTER); | |
| 120 | + mCacheMap.put(file.getPath(), d); | |
| 121 | + | |
| 122 | + mHandler.post(new Runnable() { | |
| 123 | + @Override | |
| 124 | + public void run() { | |
| 125 | + Message msg = mHandler.obtainMessage(); | |
| 126 | + msg.obj = (BitmapDrawable)d; | |
| 127 | + msg.sendToTarget(); | |
| 128 | + } | |
| 129 | + }); | |
| 130 | + } | |
| 119 | 131 | } |
| 120 | 132 | } |
| 121 | 133 | } |
Android-x86
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src/com/nexes/manager/tablet/ThumbnailCreator.java