BitmapFetcher executeCache() {
final String downloadKey = computeDownloadKey();
assert Thread.currentThread() == Looper.getMainLooper().getThread() || imageViewPostRef == null;
assert downloadKey != null;
if (resizeHeight > 0 || resizeWidth > 0) {
if (transforms == null) transforms = new ArrayList<Transform>();
transforms.add(0, new DefaultTransform(resizeWidth, resizeHeight, scaleMode));
}
// determine the key for this bitmap after all transformations
String bitmapKey = downloadKey;
boolean hasTransforms = transforms != null && transforms.size() > 0;
if (hasTransforms) {
for (Transform transform : transforms) {
bitmapKey += transform.key();
}
bitmapKey = ResponseCacheMiddleware.toKeyString(bitmapKey);
}
// TODO: eliminate this allocation?
BitmapFetcher ret = new BitmapFetcher();
ret.downloadKey = downloadKey;
ret.bitmapKey = bitmapKey;
ret.hasTransforms = hasTransforms;
ret.resizeWidth = resizeWidth;
ret.resizeHeight = resizeHeight;
ret.builder = builder;
ret.transforms = transforms;
ret.animateGif = animateGif;
ret.deepZoom = deepZoom;
// see if this request can be fulfilled from the cache
if (!builder.noCache) {
BitmapInfo bitmap = builder.ion.bitmapCache.get(bitmapKey);
if (bitmap != null) {
ret.info = bitmap;
return ret;
}
}
return ret;
}
@Override
public BitmapInfo asCachedBitmap() {
final String downloadKey = computeDownloadKey();
assert Thread.currentThread() == Looper.getMainLooper().getThread() || imageViewPostRef == null;
assert downloadKey != null;
if (resizeHeight > 0 || resizeWidth > 0) {
if (transforms == null) transforms = new ArrayList<Transform>();
transforms.add(0, new DefaultTransform(resizeWidth, resizeHeight, scaleMode));
}
// determine the key for this bitmap after all transformations
String bitmapKey = downloadKey;
boolean hasTransforms = transforms != null && transforms.size() > 0;
if (hasTransforms) {
for (Transform transform : transforms) {
bitmapKey += transform.key();
}
bitmapKey = ResponseCacheMiddleware.toKeyString(bitmapKey);
}
return builder.ion.bitmapCache.get(bitmapKey);
}