private void OnGetApiKeyRPCCompleted(object sender, XMLRPCCompletedEventArgs <Blog> args) { //the blog is updated by the rpc. all we have to do here is unbind GetApiKeyRPC rpc = sender as GetApiKeyRPC; rpc.Completed -= OnGetApiKeyRPCCompleted; //check for empty args.Items, self-hosted blogs will return null here Blog newBlog; if (args.Items.Count == 0) { newBlog = rpc.blog; } else { newBlog = args.Items[0]; } _trackedBlogs.Add(newBlog); this.DebugLog("Blog '" + newBlog.BlogName + "' is now downloading data."); //start with the comments GetAllCommentsRPC getCommentsRPC = new GetAllCommentsRPC(newBlog); getCommentsRPC.Number = CHUNK_SIZE; getCommentsRPC.Offset = 0; getCommentsRPC.Completed += OnGetNewBlogCommentsCompleted; getCommentsRPC.ProgressChanged += OnGetCommentsRPCProgressChanged; getCommentsRPC.ExecuteAsync(); }
private void OnGetCommentsRPCProgressChanged(object sender, ProgressChangedEventArgs args) { GetAllCommentsRPC rpc = sender as GetAllCommentsRPC; Blog newBlog = _trackedBlogs.Where(blog => blog.BlogId == rpc.BlogId).FirstOrDefault(); if (null != newBlog) { this.DebugLog("OnGetCommentsRPCProgressChanged-- Blog: " + newBlog.BlogName); } this.DebugLog("GetCommentsProgressChanged-- Progress: " + args.ProgressPercentage.ToString()); this.DebugLog("GetCommentsProgressChanged-- UserState: " + args.UserState); }
public bool FetchCurrentBlogCommentsAsync(bool more) { if (null == CurrentBlog) { throw new ArgumentException("CurrentBlog may not be null", "CurrentBlog"); } //we're already downloading data here--don't allow scenarios where we could be //kicking off another download if (_trackedBlogs.Contains(CurrentBlog)) { return(false); } CurrentBlog.showLoadingIndicator(); int numerberOfComments = 0; if (more) { numerberOfComments = Math.Max(CurrentBlog.Comments.Count, CHUNK_SIZE); if (CurrentBlog.HasOlderComments) { numerberOfComments += CHUNK_SIZE; } else { //removing this block you will enable the refresh of comments when reached the end of the list and no more comments are available CurrentBlog.hideLoadingIndicator(); return(false); } } else { numerberOfComments = CHUNK_SIZE; } CurrentBlog.IsLoadingComments = true; GetAllCommentsRPC rpc = new GetAllCommentsRPC(CurrentBlog); rpc.Number = numerberOfComments; rpc.Offset = 0; rpc.Completed += OnFetchCurrentBlogCommentsCompleted; rpc.ExecuteAsync(); return(true); }
private void OnGetNewBlogCommentsCompleted(object sender, XMLRPCCompletedEventArgs <Comment> args) { GetAllCommentsRPC rpc = sender as GetAllCommentsRPC; rpc.Completed -= OnGetNewBlogCommentsCompleted; rpc.ProgressChanged -= OnGetCommentsRPCProgressChanged; Blog newBlog = _trackedBlogs.Where(blog => blog.BlogId == rpc.BlogId).FirstOrDefault(); if (null == newBlog) { return; } //report the error, but keep trying to get data if (null != args.Error) { this.DebugLog("OnFetchNewBlogCommentsCompleted: Exception occurred (" + newBlog.BlogName + ")"); this.DebugLog(args.Error.ToString()); NotifyExceptionOccurred(new ExceptionEventArgs(args.Error)); } else { foreach (Comment comment in args.Items) { newBlog.Comments.Add(comment); } this.DebugLog("Blog '" + newBlog.BlogName + "' has finished downloading comments."); } this.DebugLog("Blog '" + newBlog.BlogName + "' has finished downloading comments."); if (newBlog == CurrentBlog) { NotifyFetchComplete(); } //get the posts for the new blog GetRecentPostsRPC recentPostsRPC = new GetRecentPostsRPC(newBlog); recentPostsRPC.NumberOfPosts = CHUNK_SIZE; recentPostsRPC.Completed += OnGetNewBlogRecentPostsCompleted; recentPostsRPC.ProgressChanged += OnGetNewBlogRecentPostsRPCProgressChanged; recentPostsRPC.ExecuteAsync(); }
private void OnFetchCurrentBlogCommentsCompleted(object sender, XMLRPCCompletedEventArgs <Comment> args) { GetAllCommentsRPC rpc = sender as GetAllCommentsRPC; rpc.Completed -= OnFetchCurrentBlogCommentsCompleted; CurrentBlog.IsLoadingComments = false; if (null == args.Error) { int prevCommentsCount = CurrentBlog.Comments.Count; CurrentBlog.Comments.Clear(); // If we asked for more and we got what we had, there are no more posts to load if (rpc.Number > CHUNK_SIZE && (args.Items.Count <= prevCommentsCount)) { CurrentBlog.HasOlderComments = false; } else if (rpc.Number == CHUNK_SIZE) { //we should reset the flag otherwise when you refresh this blog you can't get more than CHUNK_SIZE comments CurrentBlog.HasOlderComments = true; } foreach (Comment comment in args.Items) { CurrentBlog.Comments.Add(comment); } NotifyFetchComplete(); } else { NotifyExceptionOccurred(new ExceptionEventArgs(args.Error)); } CurrentBlog.hideLoadingIndicator(); }