private void sendImageRequest(boolean allowCachedResponse) {
try {
ImageRequest.Builder requestBuilder =
new ImageRequest.Builder(
getContext(), ImageRequest.getProfilePictureUri(profileId, queryWidth, queryHeight));
ImageRequest request =
requestBuilder
.setAllowCachedRedirects(allowCachedResponse)
.setCallerTag(this)
.setCallback(
new ImageRequest.Callback() {
@Override
public void onCompleted(ImageResponse response) {
processResponse(response);
}
})
.build();
// Make sure to cancel the old request before sending the new one to prevent
// accidental cancellation of the new request. This could happen if the URL and
// caller tag stayed the same.
if (lastRequest != null) {
ImageDownloader.cancelRequest(lastRequest);
}
lastRequest = request;
ImageDownloader.downloadAsync(request);
} catch (Exception e) {
Logger.log(LoggingBehavior.REQUESTS, Log.ERROR, TAG, e.toString());
}
}
private ImageRequest getImageRequest() {
ImageRequest request = null;
try {
ImageRequest.Builder requestBuilder =
new ImageRequest.Builder(
getActivity(),
ImageRequest.getProfilePictureUrl(
user.getId(),
getResources()
.getDimensionPixelSize(
R.dimen.com_facebook_usersettingsfragment_profile_picture_width),
getResources()
.getDimensionPixelSize(
R.dimen.com_facebook_usersettingsfragment_profile_picture_height)));
request =
requestBuilder
.setCallerTag(this)
.setCallback(
new ImageRequest.Callback() {
@Override
public void onCompleted(ImageResponse response) {
processImageResponse(user.getId(), response);
}
})
.build();
} catch (URISyntaxException e) {
}
return request;
}
private void downloadProfilePicture(
final String profileId, URI pictureURI, final ImageView imageView) {
if (pictureURI == null) {
return;
}
// If we don't have an imageView, we are pre-fetching this image to store in-memory because we
// think the user might scroll to its corresponding list row. If we do have an imageView, we
// only want to queue a download if the view's tag isn't already set to the URL (which would
// mean
// it's already got the correct picture).
boolean prefetching = imageView == null;
if (prefetching || !pictureURI.equals(imageView.getTag())) {
if (!prefetching) {
// Setting the tag to the profile ID indicates that we're currently downloading the
// picture for this profile; we'll set it to the actual picture URL when complete.
imageView.setTag(profileId);
imageView.setImageResource(getDefaultPicture());
}
ImageRequest.Builder builder =
new ImageRequest.Builder(context.getApplicationContext(), pictureURI)
.setCallerTag(this)
.setCallback(
new ImageRequest.Callback() {
@Override
public void onCompleted(ImageResponse response) {
processImageResponse(response, profileId, imageView);
}
});
ImageRequest newRequest = builder.build();
pendingRequests.put(profileId, newRequest);
ImageDownloader.downloadAsync(newRequest);
}
}