@Override
public void onLoadFinished(Loader<BitmapResult> loader, BitmapResult result) {
// If we don't have a view, the fragment has been paused. We'll get the cursor again later.
// If we're not added, the fragment has detached during the loading process. We no longer
// need the result.
if (getView() == null || !isAdded()) {
return;
}
final Drawable data = result.getDrawable(getResources());
final int id = loader.getId();
switch (id) {
case PhotoViewCallbacks.BITMAP_LOADER_THUMBNAIL:
if (mDisplayThumbsFullScreen) {
displayPhoto(result);
} else {
if (isPhotoBound()) {
// There is need to do anything with the thumbnail
// image, as the full size image is being shown.
return;
}
if (data == null) {
// no preview, show default
mPhotoPreviewImage.setImageResource(R.drawable.default_image);
mThumbnailShown = false;
} else {
// show preview
mPhotoPreviewImage.setImageDrawable(data);
mThumbnailShown = true;
}
mPhotoPreviewImage.setVisibility(View.VISIBLE);
if (getResources().getBoolean(R.bool.force_thumbnail_no_scaling)) {
mPhotoPreviewImage.setScaleType(ImageView.ScaleType.CENTER);
}
enableImageTransforms(false);
}
break;
case PhotoViewCallbacks.BITMAP_LOADER_PHOTO:
displayPhoto(result);
break;
default:
break;
}
if (mProgressBarNeeded == false) {
// Hide the progress bar as it isn't needed anymore.
mPhotoProgressBar.setVisibility(View.GONE);
}
if (data != null) {
mCallback.onNewPhotoLoaded(mPosition);
}
setViewVisibility();
}
private void displayPhoto(BitmapResult result) {
if (result.status == BitmapResult.STATUS_EXCEPTION) {
mProgressBarNeeded = false;
mEmptyText.setText(R.string.failed);
mEmptyText.setVisibility(View.VISIBLE);
mCallback.onFragmentPhotoLoadComplete(this, false /* success */);
} else {
final Drawable data = result.getDrawable(getResources());
bindPhoto(data);
mCallback.onFragmentPhotoLoadComplete(this, true /* success */);
}
}
/**
* Create a bitmap from a local URI
*
* @param resolver The ContentResolver
* @param uri The local URI
* @param maxSize The maximum size (either width or height)
* @return The new bitmap or null
*/
public static BitmapResult createLocalBitmap(
final ContentResolver resolver, final Uri uri, final int maxSize) {
final BitmapResult result = new BitmapResult();
final InputStreamFactory factory = createInputStreamFactory(resolver, uri);
try {
final Point bounds = getImageBounds(factory);
if (bounds == null) {
result.status = BitmapResult.STATUS_EXCEPTION;
return result;
}
final BitmapFactory.Options opts = new BitmapFactory.Options();
opts.inSampleSize = Math.max(bounds.x / maxSize, bounds.y / maxSize);
result.bitmap = decodeStream(factory, null, opts);
result.status = BitmapResult.STATUS_SUCCESS;
return result;
} catch (FileNotFoundException exception) {
// Do nothing - the photo will appear to be missing
} catch (IOException exception) {
result.status = BitmapResult.STATUS_EXCEPTION;
} catch (IllegalArgumentException exception) {
// Do nothing - the photo will appear to be missing
} catch (SecurityException exception) {
result.status = BitmapResult.STATUS_EXCEPTION;
}
return result;
}