public YouTubePage()
{
InitializeComponent();
this.DataContext = this;
btnLowQuality.Background = new SolidColorBrush(Colors.Red);
VideoQuality = YouTubeQuality.Quality480P;
_viewModel = (CommentsViewModel)Resources["commentsViewModel"];
resultListBox.ItemRealized += resultListBox_ItemRealized;
if (PhoneApplicationService.Current.State["YoutubeItem"] != null)
{
youtubeItem = PhoneApplicationService.Current.State["YoutubeItem"] as YoutubeItem;
_pageNumber = 1;
_viewModel.LoadPage(youtubeItem.CommentsLink, _pageNumber++);
}
}
private void ReadCallback(IAsyncResult asynchronousResult)
{
try
{
HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asynchronousResult);
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
XDocument xdoc = XDocument.Load(reader);
XNamespace xmlns = "http://www.w3.org/2005/Atom";
XNamespace media = "http://search.yahoo.com/mrss/";
XNamespace gd = "http://schemas.google.com/g/2005";
XNamespace yt = "http://gdata.youtube.com/schemas/2007";
string commentsLink = "";
var items = xdoc.Root.Descendants("item").AsEnumerable();
YoutubeItem youTubeItem;
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
foreach (var item in items)
{
var grp = item.Descendants(media + "group");
var ytNode = item.Descendants(yt + "statistics");
var ytRatingNode = item.Descendants(yt + "rating");
var comments = item.Descendants(gd + "comments");
if (comments.Count() > 0)
commentsLink = comments.Descendants(gd + "feedLink").Attributes("href").First().Value;
youTubeItem = new YoutubeItem
{
Title = grp.Elements(media + "title").First().Value,
PlayerUrl = grp.Elements(media + "player").First().Attribute("url").Value,
Description = grp.First().Value,
ThumbNailUrl = new Uri(grp.Elements(media + "thumbnail").Select(u => (string)u.Attribute("url")).First()),
ViewCount = ytNode.Attributes("viewCount").First().Value,
CommentsLink = commentsLink
};
if (ytRatingNode.Count() > 0)
{
youTubeItem.NumberOfLikes = ytRatingNode.Attributes("numLikes").First().Value;
youTubeItem.NumberOfDisLikes = ytRatingNode.Attributes("numDislikes").First().Value;
}
YouTubeItemCollection.Add(youTubeItem);
}
IsLoading = false;
});
}
}
catch (Exception e)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
MessageBox.Show("Network error occured " + e.Message);
});
}
}
void webClient_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
if (e.Result != null)
{
var youtubeItemsList = new ObservableCollection<YoutubeItem>();
TextReader tr = new StringReader(e.Result );
XDocument xdoc = XDocument.Load(tr);
XNamespace xmlns = "http://www.w3.org/2005/Atom";
XNamespace media = "http://search.yahoo.com/mrss/";
XNamespace gd = "http://schemas.google.com/g/2005";
XNamespace yt = "http://gdata.youtube.com/schemas/2007";
string commentsLink = "";
YoutubeItem youTubeItem;
var items = xdoc.Root.Descendants("item").AsEnumerable();
foreach(var item in items){
var grp = item.Descendants(media + "group");
var ytNode = item.Descendants(yt + "statistics");
var comments = item.Descendants(gd + "comments");
var ytRatingNode = item.Descendants(yt + "rating");
if (comments.Count() > 0 )
commentsLink = comments.Descendants(gd + "feedLink").Attributes("href").First().Value;
youTubeItem = new YoutubeItem
{
Title = grp.Elements(media + "title").First().Value,
PlayerUrl = grp.Elements(media + "player").First().Attribute("url").Value,
Description = grp.First().Value,
ThumbNailUrl = new Uri(grp.Elements(media + "thumbnail").Select(u => (string)u.Attribute("url")).First()),
ViewCount = ytNode.Attributes("viewCount").First().Value,
CommentsLink = commentsLink
};
if (ytRatingNode.Count() > 0)
{
youTubeItem.NumberOfLikes = ytRatingNode.Attributes("numLikes").First().Value;
youTubeItem.NumberOfDisLikes = ytRatingNode.Attributes("numDislikes").First().Value;
}
youtubeItemsList.Add(youTubeItem);
}
listBox.ItemsSource = youtubeItemsList;
}
}