public void UpdateOrPin(AppTileSettings.TileSettings tileSettings)
{
Uri navigationUri = tileSettings.NavigationUri;
AppTileSettings.TileSettings knownTileSettings = null;
AppTileSettings.Instance.Tiles.TryGetValue(navigationUri, out knownTileSettings);
var tile = ShellTile.ActiveTiles.Where(
st => st.NavigationUri == navigationUri)
.SingleOrDefault();
if (tile != null && knownTileSettings == null)
{
// This tile needs to be deleted and then re-pinned, it's old.
tile.Delete();
tile = null;
}
// If there isn't an available shell path... Note a potential bug
// here, if you want to change an existing pin and the shell path
// is set, this code path won't run and the pin won't actually
// update. So clear it if you want to really change the front
// photo path. For now I am not putting that into the data model
// for the settings type. Ick.
if (tileSettings.FrontPhoto != null && tileSettings.ShellFrontPhotoPath == null && tileSettings.FrontPhoto.IsAbsoluteUri)
{
if (tileSettings.FrontPhoto.Scheme == "http" || tileSettings.FrontPhoto.Scheme == "https")
{
string expectedExtension = null;
var asString = tileSettings.FrontPhoto.ToString();
if (asString.Contains(".jpg"))
{
expectedExtension = ".jpg";
}
else if (asString.Contains(".png"))
{
expectedExtension = ".png";
}
StatusToken updateToken = null;
// Need to do some work to store it in the local isolated
// storage instead.
WebClient wc = new WebClient();
wc.OpenReadCompleted += (s, e) =>
{
if (updateToken != null)
{
StatusToken.TryComplete(ref updateToken);
}
var tt = tileSettings;
if (e != null)
{
if (e.Error != null)
{
PriorityQueue.AddUiWorkItem(() =>
{
MessageBox.Show("The network connection was not available to download the image needed to create the tile. Please try again later.");
});
return;
}
else if (e.Result != null)
{
byte[] bytes = null;
using (var stream = e.Result)
{
bytes = new byte[stream.Length];
stream.Read(bytes, 0, (int)stream.Length);
}
// GUID for this page.
var path = Guid.NewGuid().ToString() + expectedExtension;
var store = IsolatedStorageFile.GetUserStoreForApplication();
string file = "Shared\\ShellContent\\" + path;
Stream st = null;
bool ok = false;
try
{
store.EnsurePath(file);
st = store.OpenFile(file, FileMode.Create, FileAccess.Write, FileShare.Read);
st.Write(bytes, 0, bytes.Length);
st.Flush();
ok = true;
}
catch (IsolatedStorageException)
{
Debug.WriteLine("Exception writing file: Name={0}, Length={1}", file, bytes.Length);
}
catch (ObjectDisposedException)
{
}
finally
{
if (s != null)
{
st.Close();
}
}
if (ok)
{
Uri isoPath = new Uri("isostore:/Shared/ShellContent/" + path, UriKind.RelativeOrAbsolute);
tt.ShellFrontPhotoPath = isoPath;
UpdateOrPinForRealz(tile, navigationUri, tt);
}
}
}
};
updateToken = CentralStatusManager.Instance.BeginShowEllipsisMessage("Preparing tile graphics");
wc.OpenReadAsync(tileSettings.FrontPhoto);
return;
}
}
UpdateOrPinForRealz(tile, navigationUri, tileSettings);
}
