@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();
}
}
}
/**
* Detach the ImageView from the ImageTask.
*
* @param imageTask
* @param imageView
*/
public void detachImageViewFromImageTask(ImageTask imageTask, CubeImageView imageView) {
imageTask.removeImageView(imageView);
if (imageTask.isLoading()) {
if (!imageTask.isPreLoad() && !imageTask.stillHasRelatedImageView()) {
LoadImageTask task = mLoadWorkList.get(imageTask.getIdentityKey());
if (task != null) {
task.cancel();
}
if (DEBUG) {
CLog.d(LOG_TAG, "%s previous work is cancelled.", imageTask);
}
}
}
if (!imageTask.stillHasRelatedImageView()) {
imageTask.tryToRecycle();
}
}