public void DownloadFile(TLInt dcId, TLInputWebFileGeoPointLocation file, string fileName, TLObject owner, Action <DownloadableItem> callback)
{
var downloadableItem = GetDownloadableItem(dcId, file, fileName, owner, new TLInt(0), callback);
downloadableItem.FileName = new TLString(fileName);
lock (_itemsSyncRoot)
{
bool addFile = true;
foreach (var item in _items)
{
if (item.InputLocation.LocationEquals(file) &&
item.Owner == owner)
{
addFile = false;
break;
}
}
if (addFile)
{
_items.Add(downloadableItem);
}
}
StartAwaitingWorkers();
}
protected DownloadableItem GetDownloadableItem(TLInt dcId, TLInputWebFileGeoPointLocation location, string fileName, TLObject owner, TLInt fileSize, Action <DownloadableItem> callback)
{
var item = new DownloadableItem
{
Owner = owner,
DCId = dcId,
Callback = callback,
InputLocation = location
};
item.Parts = GetItemParts(fileSize, item);
return(item);
}
public void DownloadFile(TLInt dcId, TLInputWebFileGeoPointLocation file, string fileName, TLObject owner)
{
DownloadFile(dcId, file, fileName, owner, 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);
}