private void EmitPodcastFeedEvent(PodcastFeedEventHandler handler,
PodcastFeedEventArgs args)
{
if (handler != null)
{
handler(this, args);
}
}
public int AddPodcastFeeds(ICollection feeds, bool update)
{
if (feeds == null)
{
throw new ArgumentNullException("feeds");
}
ArrayList new_feeds = new ArrayList();
if (feeds != null)
{
lock (podcast_feed_sync)
{
foreach (PodcastFeedInfo feed in feeds)
{
if (AddPodcastFeedToLibrary(feed, false))
{
new_feeds.Add(feed);
}
}
if (new_feeds.Count > 0)
{
podcast_feeds.Sort();
}
}
if (update && (new_feeds.Count > 0))
{
PodcastFeedEventArgs args;
if (new_feeds.Count == 1)
{
args = new PodcastFeedEventArgs(new_feeds[0] as PodcastFeedInfo);
}
else
{
args = new PodcastFeedEventArgs(new_feeds.ToArray(
typeof(PodcastFeedInfo)) as PodcastFeedInfo[]
);
}
EmitPodcastFeedAdded(args);
}
}
return(new_feeds.Count);
}
public int RemovePodcastFeeds(ICollection feeds, bool update)
{
if (feeds == null)
{
throw new ArgumentNullException("feeds");
}
ArrayList removed_feeds = new ArrayList();
lock (PodcastFeedSync)
{
foreach (PodcastFeedInfo feed in feeds)
{
if (feed != null)
{
if (RemovePodcastFeedFromLibrary(feed))
{
removed_feeds.Add(feed);
}
}
}
if (update && (removed_feeds.Count > 0))
{
PodcastFeedEventArgs args;
if (removed_feeds.Count == 1)
{
args = new PodcastFeedEventArgs(removed_feeds[0] as PodcastFeedInfo);
}
else
{
args = new PodcastFeedEventArgs(removed_feeds);
}
EmitPodcastFeedRemoved(args);
}
}
return(removed_feeds.Count);
}
public bool RemovePodcastFeed(PodcastFeedInfo feed, bool update)
{
if (feed == null)
{
throw new ArgumentNullException("feeds");
}
bool removed = false;
lock (PodcastFeedSync)
{
removed = RemovePodcastFeedFromLibrary(feed);
}
if (update && removed)
{
PodcastFeedEventArgs args = new PodcastFeedEventArgs(feed);
EmitPodcastFeedRemoved(args);
}
return(false);
}
private void EmitPodcastFeedRemoved(PodcastFeedEventArgs args)
{
EmitPodcastFeedEvent(PodcastFeedRemoved, args);
}
private void EmitPodcastFeedEvent(PodcastFeedEventHandler handler,
PodcastFeedEventArgs args)
{
if (handler != null)
{
handler (this, args);
}
}
private void EmitPodcastFeedRemoved(PodcastFeedEventArgs args)
{
EmitPodcastFeedEvent (PodcastFeedRemoved, args);
}
public int RemovePodcastFeeds(ICollection feeds, bool update)
{
if (feeds == null)
{
throw new ArgumentNullException ("feeds");
}
ArrayList removed_feeds = new ArrayList ();
lock (PodcastFeedSync)
{
foreach (PodcastFeedInfo feed in feeds)
{
if (feed != null)
{
if (RemovePodcastFeedFromLibrary (feed))
{
removed_feeds.Add (feed);
}
}
}
if (update && (removed_feeds.Count > 0))
{
PodcastFeedEventArgs args;
if (removed_feeds.Count == 1)
{
args = new PodcastFeedEventArgs (removed_feeds[0] as PodcastFeedInfo);
}
else
{
args = new PodcastFeedEventArgs (removed_feeds);
}
EmitPodcastFeedRemoved (args);
}
}
return removed_feeds.Count;
}
public bool RemovePodcastFeed(PodcastFeedInfo feed, bool update)
{
if (feed == null)
{
throw new ArgumentNullException ("feeds");
}
bool removed = false;
lock (PodcastFeedSync)
{
removed = RemovePodcastFeedFromLibrary (feed);
}
if (update && removed)
{
PodcastFeedEventArgs args = new PodcastFeedEventArgs (feed);
EmitPodcastFeedRemoved (args);
}
return false;
}
public int AddPodcastFeeds(ICollection feeds, bool update)
{
if (feeds == null)
{
throw new ArgumentNullException ("feeds");
}
ArrayList new_feeds = new ArrayList ();
if (feeds != null)
{
lock (podcast_feed_sync)
{
foreach (PodcastFeedInfo feed in feeds)
{
if (AddPodcastFeedToLibrary (feed, false))
{
new_feeds.Add (feed);
}
}
if (new_feeds.Count > 0)
{
podcast_feeds.Sort ();
}
}
if (update && (new_feeds.Count > 0))
{
PodcastFeedEventArgs args;
if (new_feeds.Count == 1)
{
args = new PodcastFeedEventArgs (new_feeds[0] as PodcastFeedInfo);
}
else
{
args = new PodcastFeedEventArgs (new_feeds.ToArray (
typeof(PodcastFeedInfo)) as PodcastFeedInfo[]
);
}
EmitPodcastFeedAdded (args);
}
}
return new_feeds.Count;
}
private void PodcastFeedAddedOrRemoved(PodcastFeedEventArgs args, bool added)
{
if (args.Feed != null)
{
PodcastFeedInfo feed = args.Feed;
if (added)
{
podcast_feed_model.QueueAdd (feed);
}
else
{
// Only single select is handled at the moment.
// This will need to be updated if multiple feed selection becomes available.
TreeIter iter = feed.TreeIter;
podcast_feed_model.QueueRemove (feed);
podcast_feed_model.IterNext (ref iter);
if (podcast_feed_model.GetPath (iter) != null)
{
podcast_feed_view.Selection.SelectIter (iter);
podcast_feed_view.ScrollToIter (iter);
return;
}
// Should not select first, should select previous. Why
// is there no 'TreeModel.IterPrev' method?
podcast_feed_model.GetIterFirst (out iter);
if (podcast_feed_model.GetPath (iter) != null)
{
podcast_feed_view.Selection.SelectIter (iter);
podcast_feed_view.ScrollToIter (iter);
}
}
}
else if (args.Feeds != null)
{
ICollection feeds = args.Feeds;
if (added)
{
podcast_feed_model.QueueAdd (feeds);
}
else
{
podcast_feed_model.QueueRemove (feeds);
}
}
Update ();
}
private void OnPodcastFeedRemovedHandler(object sender, PodcastFeedEventArgs args)
{
PodcastFeedAddedOrRemoved (args, false);
}
