Examples with ImageRequest com.facebook.internal.ImageRequest used on opensource projects

Example 11 with ImageRequest

use of com.facebook.internal.ImageRequest in project Klyph by jonathangerbaud.

the class GraphObjectAdapter method downloadProfilePicture.

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);
    }
}

Example 12 with ImageRequest

use of com.facebook.internal.ImageRequest in project facebook-api-android-maven by avianey.

the class GraphObjectAdapter method downloadProfilePicture.

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);
    }
}

Example 13 with ImageRequest

use of com.facebook.internal.ImageRequest in project facebook-api-android-maven by avianey.

the class GraphObjectAdapter method prioritizeViewRange.

public void prioritizeViewRange(int firstVisibleItem, int lastVisibleItem, int prefetchBuffer) {
    if ((lastVisibleItem < firstVisibleItem) || (sectionKeys.size() == 0)) {
        return;
    }
    // the top down.
    for (int i = lastVisibleItem; i >= 0; i--) {
        SectionAndItem<T> sectionAndItem = getSectionAndItem(i);
        if (sectionAndItem.graphObject != null) {
            String id = getIdOfGraphObject(sectionAndItem.graphObject);
            ImageRequest request = pendingRequests.get(id);
            if (request != null) {
                ImageDownloader.prioritizeRequest(request);
            }
        }
    }
    // For items which are not visible, but within the buffer on either side, we want to
    // fetch those items and store them in a small in-memory cache of bitmaps.
    int start = Math.max(0, firstVisibleItem - prefetchBuffer);
    int end = Math.min(lastVisibleItem + prefetchBuffer, getCount() - 1);
    ArrayList<T> graphObjectsToPrefetchPicturesFor = new ArrayList<T>();
    // Add the IDs before and after the visible range.
    for (int i = start; i < firstVisibleItem; ++i) {
        SectionAndItem<T> sectionAndItem = getSectionAndItem(i);
        if (sectionAndItem.graphObject != null) {
            graphObjectsToPrefetchPicturesFor.add(sectionAndItem.graphObject);
        }
    }
    for (int i = lastVisibleItem + 1; i <= end; ++i) {
        SectionAndItem<T> sectionAndItem = getSectionAndItem(i);
        if (sectionAndItem.graphObject != null) {
            graphObjectsToPrefetchPicturesFor.add(sectionAndItem.graphObject);
        }
    }
    for (T graphObject : graphObjectsToPrefetchPicturesFor) {
        URI uri = getPictureUriOfGraphObject(graphObject);
        final String id = getIdOfGraphObject(graphObject);
        // This URL already have been requested for pre-fetching, but we want to act in an LRU manner, so move
        // it to the end of the list regardless.
        boolean alreadyPrefetching = prefetchedProfilePictureIds.remove(id);
        prefetchedProfilePictureIds.add(id);
        // If we've already requested it for pre-fetching, no need to do so again.
        if (!alreadyPrefetching) {
            downloadProfilePicture(id, uri, null);
        }
    }
}

Example 14 with ImageRequest

use of com.facebook.internal.ImageRequest in project facebook-api-android-maven by avianey.

the class UserSettingsFragment method getImageRequest.

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;
}

Example 15 with ImageRequest

use of com.facebook.internal.ImageRequest in project facebook-android-sdk by facebook.

the class UserSettingsFragment method getImageRequest.

private ImageRequest getImageRequest() {
    ImageRequest request = null;
    ImageRequest.Builder requestBuilder = new ImageRequest.Builder(getActivity(), ImageRequest.getProfilePictureUri(user.optString("id"), getResources().getDimensionPixelSize(R.dimen.usersettings_fragment_profile_picture_width), getResources().getDimensionPixelSize(R.dimen.usersettings_fragment_profile_picture_height)));
    request = requestBuilder.setCallerTag(this).setCallback(new ImageRequest.Callback() {

        @Override
        public void onCompleted(ImageResponse response) {
            processImageResponse(user.optString("id"), response);
        }
    }).build();
    return request;
}