예제 #1
1
 // Returns the distance that over the scroll limit.
 public int startScroll(int distance, int min, int max) {
   int currPosition = mScroller.getCurrX();
   int finalPosition = mScroller.isFinished() ? currPosition : mScroller.getFinalX();
   int newPosition = Utils.clamp(finalPosition + distance, min, max);
   if (newPosition != currPosition) {
     mScroller.startScroll(currPosition, 0, newPosition - currPosition, 0, 0);
   }
   return finalPosition + distance - newPosition;
 }
예제 #2
0
 public void clearImageData(MediaPath path, long timeModified, int type) {
   byte[] key = makeKey(path, timeModified, type);
   long cacheKey = Utils.crc64Long(key);
   synchronized (mCache) {
     try {
       mCache.clearEntry(cacheKey);
     } catch (IOException ex) {
       // ignore.
     }
   }
 }
예제 #3
0
 public void putImageData(MediaPath path, long timeModified, int type, byte[] value) {
   byte[] key = makeKey(path, timeModified, type);
   long cacheKey = Utils.crc64Long(key);
   ByteBuffer buffer = ByteBuffer.allocate(key.length + value.length);
   buffer.put(key);
   buffer.put(value);
   synchronized (mCache) {
     try {
       mCache.insert(cacheKey, buffer.array());
     } catch (IOException ex) {
       // ignore.
     }
   }
 }
예제 #4
0
 /**
  * Gets the cached image data for the given <code>path</code>, <code>timeModified</code> and
  * <code>type</code>.
  *
  * <p>The image data will be stored in <code>buffer.data</code>, started from <code>buffer.offset
  * </code> for <code>buffer.length</code> bytes. If the buffer.data is not big enough, a new byte
  * array will be allocated and returned.
  *
  * @return true if the image data is found; false if not found.
  */
 public boolean getImageData(MediaPath path, long timeModified, int type, BytesBuffer buffer) {
   byte[] key = makeKey(path, timeModified, type);
   long cacheKey = Utils.crc64Long(key);
   try {
     LookupRequest request = new LookupRequest();
     request.key = cacheKey;
     request.buffer = buffer.data;
     synchronized (mCache) {
       if (!mCache.lookup(request)) return false;
     }
     if (isSameKey(key, request.buffer)) {
       buffer.data = request.buffer;
       buffer.offset = key.length;
       buffer.length = request.length - buffer.offset;
       return true;
     }
   } catch (IOException ex) {
     // ignore.
   }
   return false;
 }