/** Check weather this imageTask has cache Drawable data. */
public boolean queryCache(ImageTask imageTask, CubeImageView imageView) {
if (null == mImageProvider) {
return false;
}
BitmapDrawable drawable = mImageProvider.getBitmapFromMemCache(imageTask);
if (imageTask.getStatistics() != null) {
imageTask.getStatistics().s0_afterCheckMemoryCache(drawable != null);
}
if (drawable == null) {
return false;
}
if (DEBUG) {
CLog.d(
LOG_TAG,
MSG_HIT_CACHE,
imageTask,
drawable.getIntrinsicWidth(),
drawable.getIntrinsicHeight());
}
imageTask.addImageView(imageView);
imageTask.onLoadTaskFinish(drawable, mImageLoadHandler);
return true;
}
@Override
public void doInBackground() {
if (DEBUG) {
CLog.d(LOG_TAG, MSG_TASK_DO_IN_BACKGROUND, this, mImageTask);
}
if (mImageTask.getStatistics() != null) {
mImageTask.getStatistics().s1_beginLoad();
}
Bitmap bitmap = null;
// Wait here if work is paused and the task is not cancelled
synchronized (mImageLoader.mPauseWorkLock) {
while (mImageLoader.mPauseWork && !isCancelled()) {
try {
if (DEBUG) {
CLog.d(LOG_TAG, MSG_TASK_WAITING, this, mImageTask);
}
mImageLoader.mPauseWorkLock.wait();
} catch (InterruptedException e) {
}
}
}
// If this task has not been cancelled by another
// thread and the ImageView that was originally bound to this task is still bound back
// to this task and our "exit early" flag is not set then try and fetch the bitmap from
// the cache
if (!isCancelled()
&& !mImageLoader.mExitTasksEarly
&& (mImageTask.isPreLoad() || mImageTask.stillHasRelatedImageView())) {
try {
bitmap =
mImageLoader.mImageProvider.fetchBitmapData(
mImageLoader, mImageTask, mImageLoader.mImageReSizer);
if (DEBUG) {
CLog.d(LOG_TAG, MSG_TASK_AFTER_fetchBitmapData, this, mImageTask, isCancelled());
}
mDrawable =
mImageLoader.mImageProvider.createBitmapDrawable(mImageLoader.mResources, bitmap);
mImageLoader.mImageProvider.addBitmapToMemCache(mImageTask.getIdentityKey(), mDrawable);
} catch (Exception e) {
e.printStackTrace();
} catch (OutOfMemoryError e) {
e.printStackTrace();
}
}
}