private void TryDownloading()
{
if (_haveTried)
{
return;
}
_haveTried = true;
if (XamlUri != null)
{
IWebRequestFactory iwrf = Application.Current as IWebRequestFactory;
if (iwrf != null)
{
_loadingToken = CentralStatusManager.Instance.BeginShowEllipsisMessage("Downloading");
var f = iwrf.CreateWebRequestClient();
f.DownloadStringCompleted += OnDownloadStringCompleted;
var wr = f.CreateSimpleWebRequest(XamlUri);
f.DownloadStringAsync(wr);
}
else
{
OnError();
}
}
}
private CentralStatusManager()
{
_tokenStack = new List<StatusToken>();
DefaultMessageDisplayTime = DefaultMessageDisplayTimeValue;
// For legacy loading scenarios.
_singleLegacyStatusToken = new StatusToken();
Push(_singleLegacyStatusToken);
}
private CentralStatusManager()
{
_tokenStack = new List <StatusToken>();
DefaultMessageDisplayTime = DefaultMessageDisplayTimeValue;
// For legacy loading scenarios.
_singleLegacyStatusToken = new StatusToken();
Push(_singleLegacyStatusToken);
}
// Will return true if it did delete and clear the reference, false if
// it was already null.
public static bool TryComplete(ref StatusToken token)
{
if (token != null)
{
token.Complete();
token = null;
return(true);
}
return(false);
}
// Will return true if it did delete and clear the reference, false if
// it was already null.
public static bool TryComplete(ref StatusToken token)
{
if (token != null)
{
token.Complete();
token = null;
return true;
}
return false;
}
internal void DeleteToken(StatusToken token)
{
token.IsLoadingChanged -= OnTokenIsLoadingChanged;
token.MessageChanged -= OnTokenMessageChanged;
lock (_tokenStack)
{
var res = _tokenStack.Remove(token);
#if DEBUG
//DebugStack("Removing " + token.GetType().ToString() + " " + res.ToString());
#endif
}
Recalculate();
}
internal void DeleteToken(StatusToken token)
{
token.IsLoadingChanged -= OnTokenIsLoadingChanged;
token.MessageChanged -= OnTokenMessageChanged;
lock (_tokenStack)
{
var res = _tokenStack.Remove(token);
#if DEBUG
//DebugStack("Removing " + token.GetType().ToString() + " " + res.ToString());
#endif
}
Recalculate();
}
public StatusToken Push(StatusToken token)
{
token.IsLoadingChanged += OnTokenIsLoadingChanged;
token.MessageChanged += OnTokenMessageChanged;
lock (_tokenStack)
{
_tokenStack.Add(token);
#if DEBUG
//DebugStack("Adding " + token.GetType().ToString());
#endif
}
Recalculate();
return(token);
}
private void Recalculate()
{
/*if (_mangoIndicator == null)
* {
* return;
* }*/
bool isLoading = false;
string message = null;
lock (_tokenStack)
{
#if DEBUG
//DebugStack("Recalculating...");
#endif
for (int i = 0; i < _tokenStack.Count; i++)
{
var token = _tokenStack[i];
if (token != null)
{
if (token.IsLoading)
{
isLoading = true;
}
if (token.Message != null)
{
message = token.Message;
_activeMessageToken = token;
}
}
}
_message = message;
_loading = isLoading;
if (_message == null)
{
_activeMessageToken = null;
}
}
NotifyValueChanged();
}
private void Recalculate()
{
/*if (_mangoIndicator == null)
{
return;
}*/
bool isLoading = false;
string message = null;
lock (_tokenStack)
{
#if DEBUG
//DebugStack("Recalculating...");
#endif
for (int i = 0; i < _tokenStack.Count; i++)
{
var token = _tokenStack[i];
if (token != null)
{
if (token.IsLoading)
{
isLoading = true;
}
if (token.Message != null)
{
message = token.Message;
_activeMessageToken = token;
}
}
}
_message = message;
_loading = isLoading;
if (_message == null)
{
_activeMessageToken = null;
}
}
NotifyValueChanged();
}
public StatusToken Push(StatusToken token)
{
token.IsLoadingChanged += OnTokenIsLoadingChanged;
token.MessageChanged += OnTokenMessageChanged;
lock (_tokenStack)
{
_tokenStack.Add(token);
#if DEBUG
//DebugStack("Adding " + token.GetType().ToString());
#endif
}
Recalculate();
return token;
}
private void TryDownloading()
{
if (_haveTried)
{
return;
}
_haveTried = true;
if (XamlUri != null)
{
IWebRequestFactory iwrf = Application.Current as IWebRequestFactory;
if (iwrf != null)
{
_loadingToken = CentralStatusManager.Instance.BeginShowEllipsisMessage("Downloading");
var f = iwrf.CreateWebRequestClient();
f.DownloadStringCompleted += OnDownloadStringCompleted;
var wr = f.CreateSimpleWebRequest(XamlUri);
f.DownloadStringAsync(wr);
}
else
{
OnError();
}
}
}
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);
}
