public static BitmapSource ReturnOrEnqueueGeoPointImage(TLGeoPoint geoPoint, int width, int height, TLObject owner)
{
var destFileName = geoPoint.GetFileName();
BitmapSource imageSource;
WeakReference weakImageSource;
if (_cachedSources.TryGetValue(destFileName, out weakImageSource))
{
if (weakImageSource.IsAlive)
{
imageSource = weakImageSource.Target as BitmapSource;
return(imageSource);
}
}
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!store.FileExists(destFileName))
{
var sourceUri = string.Format(Constants.StaticGoogleMap, geoPoint.Lat.Value.ToString(new CultureInfo("en-US")), geoPoint.Long.Value.ToString(new CultureInfo("en-US")), width, height);
var fileManager = IoC.Get <IHttpDocumentFileManager>();
fileManager.DownloadFileAsync(sourceUri, destFileName, owner, item =>
{
var messageMediaGeoPoint = owner as IMessageMediaGeoPoint;
if (messageMediaGeoPoint != null)
{
var newGeoPoint = messageMediaGeoPoint.Geo as TLGeoPoint;
if (newGeoPoint != null)
{
var newFileName = newGeoPoint.GetFileName();
var oldFileName = destFileName;
using (var store2 = IsolatedStorageFile.GetUserStoreForApplication())
{
if (store2.FileExists(oldFileName))
{
if (!string.IsNullOrEmpty(oldFileName) && !string.Equals(oldFileName, newFileName, StringComparison.OrdinalIgnoreCase))
{
store2.CopyFile(oldFileName, newFileName, true);
store2.DeleteFile(oldFileName);
}
}
}
}
Telegram.Api.Helpers.Execute.BeginOnUIThread(() =>
{
var messageMediaBase = owner as TLMessageMediaBase;
if (messageMediaBase != null)
{
messageMediaBase.NotifyOfPropertyChange(() => messageMediaBase.Self);
}
var decryptedMessageMediaBase = owner as TLDecryptedMessageMediaBase;
if (decryptedMessageMediaBase != null)
{
decryptedMessageMediaBase.NotifyOfPropertyChange(() => decryptedMessageMediaBase.Self);
}
});
}
});
}
else
{
try
{
using (var stream = store.OpenFile(destFileName, FileMode.Open, FileAccess.Read))
{
stream.Seek(0, SeekOrigin.Begin);
var image = new BitmapImage();
image.SetSource(stream);
imageSource = image;
}
_cachedSources[destFileName] = new WeakReference(imageSource);
}
catch (Exception)
{
return(null);
}
return(imageSource);
}
}
return(null);
}
public static BitmapSource ReturnOrEnqueueGeoPointImage(TLGeoPoint geoPoint, int width, int height, TLObject owner)
{
var destFileName = geoPoint.GetFileName();
BitmapSource imageSource;
WeakReference weakImageSource;
if (_cachedSources.TryGetValue(destFileName, out weakImageSource))
{
if (weakImageSource.IsAlive)
{
imageSource = weakImageSource.Target as BitmapSource;
return(imageSource);
}
}
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!store.FileExists(destFileName))
{
var config = IoC.Get <ICacheService>().GetConfig() as TLConfig82;
if (config == null)
{
return(null);
}
var fileManager = IoC.Get <IWebFileManager>();
var geoPoint82 = geoPoint as TLGeoPoint82;
var accessHash = geoPoint82 != null ? geoPoint82.AccessHash : new TLLong(0);
var inputLocation = new TLInputWebFileGeoPointLocation
{
GeoPoint = new TLInputGeoPoint {
Long = geoPoint.Long, Lat = geoPoint.Lat
},
AccessHash = accessHash,
W = new TLInt(width),
H = new TLInt(height),
Zoom = new TLInt(15),
Scale = new TLInt(2)
};
fileManager.DownloadFile(config.WebfileDCId, inputLocation, destFileName, owner, item =>
{
var messageMediaGeoPoint = owner as IMessageMediaGeoPoint;
if (messageMediaGeoPoint != null)
{
var newGeoPoint = messageMediaGeoPoint.Geo as TLGeoPoint;
if (newGeoPoint != null)
{
var newFileName = newGeoPoint.GetFileName();
var oldFileName = destFileName;
using (var store2 = IsolatedStorageFile.GetUserStoreForApplication())
{
if (store2.FileExists(oldFileName))
{
if (!string.IsNullOrEmpty(oldFileName) && !string.Equals(oldFileName, newFileName, StringComparison.OrdinalIgnoreCase))
{
store2.CopyFile(oldFileName, newFileName, true);
store2.DeleteFile(oldFileName);
}
}
}
}
Telegram.Api.Helpers.Execute.BeginOnUIThread(() =>
{
var messageMediaBase = owner as TLMessageMediaBase;
if (messageMediaBase != null)
{
messageMediaBase.NotifyOfPropertyChange(() => messageMediaBase.Self);
}
var decryptedMessageMediaBase = owner as TLDecryptedMessageMediaBase;
if (decryptedMessageMediaBase != null)
{
decryptedMessageMediaBase.NotifyOfPropertyChange(() => decryptedMessageMediaBase.Self);
}
});
}
});
}
else
{
try
{
using (var stream = store.OpenFile(destFileName, FileMode.Open, FileAccess.Read))
{
stream.Seek(0, SeekOrigin.Begin);
var image = new BitmapImage();
image.SetSource(stream);
imageSource = image;
}
_cachedSources[destFileName] = new WeakReference(imageSource);
}
catch (Exception)
{
return(null);
}
return(imageSource);
}
}
return(null);
}