/** Scroll to the next photo. If we reach the end, let's start over */
public void actionNextPhoto() {
CustomGallery gallery = (CustomGallery) findViewById(R.id.gallery);
if (gallery == null) {
Log.w(
LOG_PREFIX,
"Gallery view is not found in actionNextPhoto! Let's make sure this doesn't crash the app");
return;
}
if (userCreatedTouchEvent || gallery.hasUserCreatedTouchEvent()) {
Log.i(
LOG_PREFIX,
"User created a touch even since time task started. Will not skip to next photo yet");
return;
}
// Log.i(LOG_PREFIX, "Selected position is " + gallery.getSelectedItemPosition()+ " out of "+
// gallery.getCount());
// TODO: Evaluate if we should add all queued photos if we are almost at the end
if (gallery.getSelectedItemPosition() + 1 == gallery.getCount()) {
Log.i(LOG_PREFIX, "At the end of the slideshow. Starting on the first photo again");
Analytics.trackEvent(getApplicationContext(), "actions", "slideshow", "cycles-free");
gallery.setSelection(0);
} else { // skip to next photo
gallery.onKeyDown(KeyEvent.KEYCODE_DPAD_RIGHT, new KeyEvent(0, 0));
}
}
@Override
public void onDownloadCompleted(DownloadableObject downloadableObject) {
// unsafe cast, but we have control
SlideshowPhoto slideshowPhoto = (SlideshowPhoto) downloadableObject;
if (queuedSlideshowPhotos == null) {
queuedSlideshowPhotos = new ArrayList<SlideshowPhoto>(20);
}
queuedSlideshowPhotos.add(slideshowPhoto);
// we want to add the slideshow photos as seldom as possible, as it creates a refresh of views
if (gallery.getCount() <= 5 && queuedSlideshowPhotos.size() >= 5) {
addSlideshowPhoto(queuedSlideshowPhotos);
queuedSlideshowPhotos = null;
} else if (gallery.getCount() - gallery.getSelectedItemPosition() <= 3
&& queuedSlideshowPhotos.size() >= 10) {
addSlideshowPhoto(queuedSlideshowPhotos);
queuedSlideshowPhotos = null;
} else if (queuedSlideshowPhotos.size() >= 50) {
addSlideshowPhoto(queuedSlideshowPhotos);
queuedSlideshowPhotos = null;
}
}