void LoadItem()
{
// store
State["CurrentIDIndex"] = CurrentIDIndex;
var btnNext = ApplicationBar.FindButton("next");
var btnPrev = ApplicationBar.FindButton("prev");
btnNext.IsEnabled = CurrentIDIndex < IDList.Count - 1;
btnPrev.IsEnabled = CurrentIDIndex > 0;
OnBeforeLoading();
LoadingManager.Start();
var id = IDList[CurrentIDIndex];
FBEntity.FindByID<FeedItem>(id, u =>
{
Item = u;
ThreadHelper.RunOnUI(() =>
{
OnItemLoaded();
});
LoadingManager.Stop();
});
}
public static void UpdateUserTileStatus(ShellTile shellTile, User user, FeedItem first)
{
shellTile.Update(new StandardTileData
{
BackBackgroundImage = GenerateUserTileBackBackgroundImage(user, first)
});
}
public static Uri GenerateUserTileBackBackgroundImage(User user, FeedItem first)
{
var date = "";
var story = "";
if (first != null)
{
date = first.Date.ToTimeDifferenceString();
story = first.Story;
}
Uri backtileimageuri = null;
var tilelock = new ManualResetEvent(false);
ThreadHelper.RunOnUI(() =>
{
new Templates.TileBackTemplate
{
Date = date,
Body = story,
User = user.Name
}.SaveAsImage("User.{0}.BackTile".FormatWith(user.Id), fn =>
{
backtileimageuri = fn;
tilelock.Set();
});
});
tilelock.WaitOne();
return backtileimageuri;
}
/// <summary>
/// Shares the given news feed item on my wall, when done the given callback is fired.
/// </summary>
public void ShareFeed(FeedItem item, Action callback)
{
FBDataAccess.Current.PostGraph(Id + "/links", new Dictionary<string, object>
{
{"link", item.Link.Or("www.facebook.com/{0}".FormatWith(item.Id.Replace("_", "/posts/")))},
/*TODO: input message!*/
}, callback);
}