private void DeleteMessage(TLDecryptedMessageMediaPhoto photo)
{
if (photo == null)
{
return;
}
var encryptedChat = Chat as TLEncryptedChatCommon;
if (encryptedChat == null)
{
return;
}
TLDecryptedMessage mediaMessage = null;
for (var i = 0; i < Items.Count; i++)
{
var message = Items[i] as TLDecryptedMessage;
if (message != null && message.Media == photo)
{
mediaMessage = message;
break;
}
}
if (mediaMessage == null)
{
return;
}
DeleteMessage(mediaMessage);
}
private static void SavePhotoAsync(TLDecryptedMessageMediaPhoto mediaPhoto, Action <string> callback = null)
{
var location = mediaPhoto.Photo as TLEncryptedFile;
if (location == null)
{
return;
}
var fileName = String.Format("{0}_{1}_{2}.jpg",
location.Id,
location.DCId,
location.AccessHash);
Execute.BeginOnThreadPool(() => ImageViewerViewModel.SavePhoto(fileName, callback));
}
private void SendPhoto(Photo p)
{
var chat = Chat as TLEncryptedChat;
if (chat == null)
{
return;
}
var dcId = TLInt.Random();
var id = TLLong.Random();
var accessHash = TLLong.Random();
var fileLocation = new TLEncryptedFile
{
Id = id,
AccessHash = accessHash,
DCId = dcId,
Size = new TLInt(p.Bytes.Length),
KeyFingerprint = new TLInt(0)
};
var fileName = String.Format("{0}_{1}_{2}.jpg",
fileLocation.Id,
fileLocation.DCId,
fileLocation.AccessHash);
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
using (var fileStream = store.CreateFile(fileName))
{
fileStream.Write(p.Bytes, 0, p.Bytes.Length);
}
}
var keyIV = GenerateKeyIV();
int thumbHeight;
int thumbWidth;
var thumb = ImageUtils.CreateThumb(p.Bytes, Constants.PhotoPreviewMaxSize, Constants.PhotoPreviewQuality, out thumbHeight, out thumbWidth);
var decryptedMediaPhoto = new TLDecryptedMessageMediaPhoto
{
Thumb = TLString.FromBigEndianData(thumb),
ThumbW = new TLInt(thumbWidth),
ThumbH = new TLInt(thumbHeight),
Key = keyIV.Item1,
IV = keyIV.Item2,
W = new TLInt(p.Width),
H = new TLInt(p.Height),
Size = new TLInt(p.Bytes.Length),
File = fileLocation,
UploadingProgress = 0.001
};
var decryptedTuple = GetDecryptedMessageAndObject(TLString.Empty, decryptedMediaPhoto, chat, true);
InsertSendingMessage(decryptedTuple.Item1);
RaiseScrollToBottom();
NotifyOfPropertyChange(() => DescriptionVisibility);
BeginOnThreadPool(() =>
CacheService.SyncDecryptedMessage(decryptedTuple.Item1, chat,
cachedMessage => UploadPhotoInternal(p.Bytes, decryptedTuple.Item2)));
}
public async Task <Telegram.Api.WindowsPhone.Tuple <TLDecryptedMessageBase, TLObject> > GetPhotoMessage(StorageFile file)
{
var chat = Chat as TLEncryptedChat;
if (chat == null)
{
return(null);
}
if (file == null)
{
return(null);
}
var properties = await file.GetBasicPropertiesAsync();
var size = properties.Size;
var thumb = await DialogDetailsViewModel.GetFileThumbAsync(file) as TLPhotoSize;
var dcId = TLInt.Random();
var id = TLLong.Random();
var accessHash = TLLong.Random();
var fileName = String.Format("{0}_{1}_{2}.jpg",
id,
dcId,
accessHash);
var stream = await file.OpenReadAsync();
var resizedPhoto = await DialogDetailsViewModel.ResizeJpeg(stream, Constants.DefaultImageSize, file.DisplayName, fileName);
var keyIV = GenerateKeyIV();
var fileLocation = new TLEncryptedFile
{
Id = id,
AccessHash = accessHash,
DCId = dcId,
Size = new TLInt(resizedPhoto.Bytes.Length),
KeyFingerprint = new TLInt(0),
FileName = new TLString(Path.GetFileName(file.Name))
};
TLDecryptedMessageMediaPhoto decryptedMediaPhoto;
var chat17 = chat as TLEncryptedChat17;
if (chat17 != null && chat17.Layer.Value >= Constants.MinSecretChatWithCaptionsLayer)
{
decryptedMediaPhoto = new TLDecryptedMessageMediaPhoto45
{
Thumb = thumb != null ? thumb.Bytes : TLString.Empty,
ThumbW = thumb != null ? thumb.W : new TLInt(0),
ThumbH = thumb != null ? thumb.H : new TLInt(0),
Size = new TLInt(resizedPhoto.Bytes.Length),
Key = keyIV.Item1,
IV = keyIV.Item2,
W = new TLInt(resizedPhoto.Width),
H = new TLInt(resizedPhoto.Height),
Caption = TLString.Empty,
File = fileLocation,
StorageFile = resizedPhoto.File,
UploadingProgress = 0.001
};
}
else
{
decryptedMediaPhoto = new TLDecryptedMessageMediaPhoto
{
Thumb = thumb != null ? thumb.Bytes : TLString.Empty,
ThumbW = thumb != null ? thumb.W : new TLInt(0),
ThumbH = thumb != null ? thumb.H : new TLInt(0),
Size = new TLInt(resizedPhoto.Bytes.Length),
Key = keyIV.Item1,
IV = keyIV.Item2,
W = new TLInt(resizedPhoto.Width),
H = new TLInt(resizedPhoto.Height),
File = fileLocation,
StorageFile = resizedPhoto.File,
UploadingProgress = 0.001
};
}
var decryptedTuple = GetDecryptedMessageAndObject(TLString.Empty, decryptedMediaPhoto, chat, true);
return(decryptedTuple);
}
public bool OpenSecretPhoto(TLDecryptedMessageMediaPhoto mediaPhoto)
{
if (mediaPhoto == null)
{
return(false);
}
TLDecryptedMessage17 message = null;
for (var i = 0; i < Items.Count; i++)
{
var message17 = Items[i] as TLDecryptedMessage17;
if (message17 != null && message17.Media == mediaPhoto)
{
message = message17;
break;
}
}
if (message == null)
{
return(false);
}
if (message.Status == MessageStatus.Sending)
{
return(false);
}
var result = false;
if (!message.Out.Value)
{
if (message.TTL != null && message.TTL.Value > 0 && message.TTL.Value <= 60.0)
{
if (mediaPhoto.TTLParams == null)
{
message.IsTTLStarted = true;
message.DeleteDate = new TLLong(DateTime.Now.Ticks + message.TTL.Value * TimeSpan.TicksPerSecond);
mediaPhoto.TTLParams = new TTLParams
{
StartTime = DateTime.Now,
IsStarted = true,
Total = message.TTL.Value
};
message.Unread = new TLBool(false);
message.Status = MessageStatus.Read;
CacheService.SyncDecryptedMessage(message, Chat, r =>
{
var chat = Chat as TLEncryptedChat;
if (chat == null)
{
return;
}
var action = new TLDecryptedMessageActionReadMessages();
action.RandomIds = new TLVector <TLLong> {
message.RandomId
};
var decryptedTuple = GetDecryptedServiceMessageAndObject(action, chat, MTProtoService.CurrentUserId, CacheService);
SendEncryptedService(chat, decryptedTuple.Item2, MTProtoService, CacheService,
sentEncryptedMessage =>
{
});
});
}
SecretPhoto = message;
NotifyOfPropertyChange(() => SecretPhoto);
result = true;
}
}
else
{
SecretPhoto = message;
NotifyOfPropertyChange(() => SecretPhoto);
result = true;
}
return(result);
}
