private async void INSTANCE_ChatChanged(ChatDBManager handler, ChatChangedEventArgs args)
{
if (!(args.CHAT is null) && string.Equals(args.CHAT.id, chatId))
{
await SharedUtils.CallDispatcherAsync(() => Chat = args.CHAT).ConfAwaitFalse();
}
}
private void OnCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
lock (SyncRoot)
{
SharedUtils.CallDispatcherAsync(() => CollectionChanged?.Invoke(sender, e)).Wait();
}
}
private async void Client_NewChatMessage(XMPPClient client, NewChatMessageEventArgs args)
{
if (await VIEW_MODEL.OnNewChatMessage(args.getMessage(), btDeviceInfo_btdic.VIEW_MODEL.MODEL.Jid, client))
{
await SharedUtils.CallDispatcherAsync(() => UpdateViewState(State_6.Name));
}
}
//--------------------------------------------------------Events:---------------------------------------------------------------------\\
#region --Events--
private void OnPropertyChanged(object sender, PropertyChangedEventArgs e)
{
lock (SyncRoot)
{
SharedUtils.CallDispatcherAsync(() => PropertyChanged?.Invoke(sender, e)).Wait();
}
}
private async void Client_NewChatMessage(XMPPClient client, NewChatMessageEventArgs args)
{
if (await VIEW_MODEL.OnNewChatMessage(args.getMessage(), btDeviceInfo_btdic.VIEW_MODEL.MODEL.Jid, ConnectionHandler.INSTANCE.GetClient(client.getXMPPAccount().getBareJid()).client))
{
await SharedUtils.CallDispatcherAsync(() => UpdateViewState(State_6.Name));
}
}
//--------------------------------------------------------Set-, Get- Methods:---------------------------------------------------------\\
#region --Set-, Get- Methods--
#endregion
//--------------------------------------------------------Misc Methods:---------------------------------------------------------------\\
#region --Misc Methods (Public)--
#endregion
#region --Misc Methods (Private)--
#endregion
#region --Misc Methods (Protected)--
#endregion
//--------------------------------------------------------Events:---------------------------------------------------------------------\\
#region --Events--
private async void QrCodeScannerControl_NewInvalidQrCode(QrCodeScannerControl sender, NewQrCodeEventArgs args)
{
await SharedUtils.CallDispatcherAsync(async() =>
{
invalidQrCode_grid.Visibility = Visibility.Visible;
validQrCode_grid.Visibility = Visibility.Collapsed;
await Task.Delay(5000);
invalidQrCode_grid.Visibility = Visibility.Collapsed;
});
}
protected async override void OnPropertyChanged(PropertyChangedEventArgs e)
{
if (INVOKE_IN_UI_THREAD)
{
await SharedUtils.CallDispatcherAsync(() => base.OnPropertyChanged(e));
}
else
{
base.OnPropertyChanged(e);
}
}
/// <summary>
/// Converts the path to an BitmapImage.
/// This is a workaround to open also images that are stored on a separate drive.
/// </summary>
/// <param name="imgModel">The actual image the <paramref name="path"/> corresponds to.</param>
/// <param name="path">The absolute path to the image.</param>
/// <returns>The BitmapImage representation of the current path object.</returns>
private async Task <BitmapImage> GetBitmapImageAsync(ChatMessageImageModel imgModel, string path)
{
if (path is null)
{
return(null);
}
try
{
StorageFile file = await StorageFile.GetFileFromPathAsync(path);
if (file is null)
{
return(null);
}
BitmapImage img = null;
// Bitmap stuff has to be done in the UI thread,
// so make sure we execute it there:
Exception ex = null;
await SharedUtils.CallDispatcherAsync(async() =>
{
try
{
img = new BitmapImage();
img.SetSource(await file.OpenReadAsync());
}
catch (Exception e)
{
ex = e;
}
});
// If loading the image failed log the exception:
if (!(ex is null))
{
Logger.Error("Failed to load image: " + path, ex);
MODEL.ErrorText = "Failed to load image. Try downloading it again.";
imgModel.state = DownloadState.ERROR;
imgModel.Update();
return(null);
}
return(img);
}
catch (Exception e)
{
Logger.Error("Failed to load image: " + path, e);
MODEL.ErrorText = "Failed to load image. Try downloading it again.";
imgModel.state = DownloadState.ERROR;
imgModel.Update();
return(null);
}
}
private async void INSTANCE_MUCInfoChanged(MUCDBManager handler, MUCInfoChangedEventArgs args)
{
if (!(args.MUC_INFO is null) && string.Equals(args.MUC_INFO.chatId, chatId))
{
await SharedUtils.CallDispatcherAsync(() =>
{
// Force update property:
MucInfo = null;
MucInfo = args.MUC_INFO;
}).ConfAwaitFalse();
}
}
private async void QrCodeScannerControl_NewValidQrCode(QrCodeScannerControl sender, NewQrCodeEventArgs args)
{
VIEW_MODEL.OnValidQrCode(args.QR_CODE);
await SharedUtils.CallDispatcherAsync(async() =>
{
IsSecondaryButtonEnabled = false;
invalidQrCode_grid.Visibility = Visibility.Collapsed;
validQrCode_grid.Visibility = Visibility.Visible;
await Task.Delay(1500);
Hide();
});
}
//--------------------------------------------------------Constructor:----------------------------------------------------------------\\
#region --Constructors--
#endregion
//--------------------------------------------------------Set-, Get- Methods:---------------------------------------------------------\\
#region --Set-, Get- Methods--
#endregion
//--------------------------------------------------------Misc Methods:---------------------------------------------------------------\\
#region --Misc Methods (Public)--
public void UpdateView(string obfuscatedId)
{
Task.Run(async() =>
{
// Ensure no updates are run in parallel:
await LOADING_SEMA.WaitAsync();
if (MODEL.IsLoading)
{
LOADING_SEMA.Release();
return;
}
MODEL.IsLoading = true;
LOADING_SEMA.Release();
if (string.IsNullOrEmpty(obfuscatedId))
{
MODEL.Image = null;
}
else
{
User user = await UserManager.INSTANCE.UpdateUserAsync(Vault.LoadCredentials(Storage.Classes.Settings.GetSettingString(SettingsConsts.TUM_ID)), obfuscatedId, false).ConfAwaitFalse();
try
{
SoftwareBitmap img = null;
if (!(user.Image is null) && user.Image.Length > 0)
{
img = await ImageUtils.ToSoftwareBitmapImageAsync(user.Image);
}
if (!(img is null))
{
await SharedUtils.CallDispatcherAsync(async() =>
{
try
{
MODEL.Image = new SoftwareBitmapSource();
await MODEL.Image.SetBitmapAsync(img);
}
catch (Exception e)
{
Logger.Error("Failed to set TUMonlie user image as SoftwareBitmapSource.", e);
}
});
}
}
catch (Exception e)
{
Logger.Error("Failed to load TUMonline user image from bytes.", e);
}
}
MODEL.IsLoading = false;
});
}
private async void QrCodeScannerControl_NewValidQrCode(QrCodeScannerControl sender, NewQrCodeEventArgs args)
{
IUriAction action = UriUtils.parse(new Uri(args.QR_CODE));
if (action is RegisterIoTUriAction registerIoTUriAction)
{
await SharedUtils.CallDispatcherAsync(async() =>
{
await qrCodeScanner.StopAsync();
UpdateViewState(State_2.Name);
VIEW_MODEL.MODEL.RegisterIoTUriAction = registerIoTUriAction;
});
}
}
private void LoadMembers(ChatDataTemplate chat)
{
Task.Run(async() =>
{
MODEL.IsLoading = true;
MODEL.MEMBERS.Clear();
MODEL.MEMBERS.AddRange(chat.Chat.muc.occupants.Select((x) => new MucMemberDataTemplate()
{
Member = x, Chat = chat
}));
MODEL.MembersFound = chat.Chat.muc.occupants.Count > 0;
await SharedUtils.CallDispatcherAsync(() => MODEL.MEMBERS_SORTED.Source = MODEL.MEMBERS);
MODEL.HeaderText = "Members (" + chat.Chat.muc.occupants.Count + ')';
MODEL.IsLoading = false;
});
}
private void LoadMembers(ChatDataTemplate chat)
{
Task.Run(async() =>
{
MODEL.IsLoading = true;
List <MUCOccupantTable> members = MUCDBManager.INSTANCE.getAllMUCMembers(chat.Chat.id);
MODEL.MEMBERS.Clear();
MODEL.MEMBERS.AddRange(members.Select((x) => new MucMemberDataTemplate()
{
Member = x, Chat = chat
}));
MODEL.MembersFound = members.Count > 0;
await SharedUtils.CallDispatcherAsync(() => MODEL.MEMBERS_SORTED.Source = MODEL.MEMBERS);
MODEL.HeaderText = "Members (" + members.Count + ')';
MODEL.IsLoading = false;
});
}
public async void UpdateViewClient(XMPPClient client)
{
if (!(client is null))
{
// Account color:
await SharedUtils.CallDispatcherAsync(() =>
{
if (UiUtils.IsHexColor(client.getXMPPAccount().color))
{
AccountColorBrush = UiUtils.HexStringToBrush(client.getXMPPAccount().color);
AccountColorBrush.Opacity = 0.9;
}
else
{
AccountColorBrush = new SolidColorBrush(Colors.Transparent);
}
});
}
}
private async Task TrackErrorInTaskAsync(Exception ex, string descriptionMd, Dictionary <string, string> payload)
{
TrackErrorEventArgs args = new TrackErrorEventArgs(ex, descriptionMd, payload);
Func <AppCenterCrashHelper, TrackErrorEventArgs, Task> handler = OnTrackError;
if (!(handler is null))
{
Delegate[] invocationList = handler.GetInvocationList();
Task[] handlerTasks = new Task[invocationList.Length];
SemaphoreSlim sema = new SemaphoreSlim(0);
// Call them in the UI thread to ensure we await everything:
await SharedUtils.CallDispatcherAsync(() =>
{
for (int i = 0; i < invocationList.Length; i++)
{
handlerTasks[i] = ((Func <AppCenterCrashHelper, TrackErrorEventArgs, Task>)invocationList[i])(this, args);
}
sema.Release();
});
await sema.WaitAsync();
await Task.WhenAll(handlerTasks);
}
if (!args.Cancel)
{
if (Crashes.Instance.InstanceEnabled)
{
Crashes.TrackError(ex);
Logger.Info("Crash has been reported.");
}
else
{
Logger.Warn("Crash has not been reported. Crash reporting disabled!");
}
}
else
{
Logger.Warn("Crash has not been reported. User declined!");
}
}
private void LoadEmoji(AdvancedCollectionView target, SortedSet <SingleEmoji>[] sources)
{
Task.Run(async() =>
{
IsLoading = true;
if (target.Source.Count <= 0)
{
SortedSet <SingleEmoji> result = sources[0];
for (int i = 1; i < sources.Length; i++)
{
result.Union(sources[i]);
}
List <SingleEmoji> emoji = result.Where((x) => x.HasGlyph).ToList();
await SharedUtils.CallDispatcherAsync(() => target.Source = emoji);
}
target.RefreshFilter();
SelectedList = target;
IsLoading = false;
});
}
private void GenQrCode()
{
if (curQrCodeText is null)
{
QrCodeImage = null;
}
else
{
IsLoading = true;
Color c = GetQrCodeBackgroundColor();
Task.Run(async() =>
{
QRCodeData qRCodeData = QR_CODE_GENERATOR.CreateQrCode(curQrCodeText, QRCodeGenerator.ECCLevel.Q);
PngByteQRCode qRCode = new PngByteQRCode(qRCodeData);
byte[] qRCodeGraphic;
if (DefaultQrCode)
{
qRCodeGraphic = qRCode.GetGraphic(10);
}
else
{
qRCodeGraphic = qRCode.GetGraphic(10, new byte[] { (byte)~c.R, (byte)~c.G, (byte)~c.B }, new byte[] { c.R, c.G, c.B });
}
await SharedUtils.CallDispatcherAsync(async() =>
{
using (InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream())
{
using (DataWriter writer = new DataWriter(stream.GetOutputStreamAt(0)))
{
writer.WriteBytes(qRCodeGraphic);
await writer.StoreAsync();
}
QrCodeImage = new BitmapImage();
await QrCodeImage.SetSourceAsync(stream);
}
IsLoading = false;
});
});
}
}
//--------------------------------------------------------Set-, Get- Methods:---------------------------------------------------------\\
#region --Set-, Get- Methods--
#endregion
//--------------------------------------------------------Misc Methods:---------------------------------------------------------------\\
#region --Misc Methods (Public)--
#endregion
#region --Misc Methods (Private)--
private async Task ShowRestartDialogAsync()
{
await SharedUtils.CallDispatcherAsync(() =>
{
});
}
//--------------------------------------------------------Events:---------------------------------------------------------------------\\
#region --Events--
private async void SPLASH_SCREEN_Dismissed(SplashScreen sender, object args)
{
await SharedUtils.CallDispatcherAsync(async() => await LoadAppAsync());
}
private async Task ShowCellVoltagesAsync()
{
byte[] data = OnewheelConnectionHelper.INSTANCE.CACHE.GetBytes(OnewheelCharacteristicsCache.CHARACTERISTIC_BATTERY_CELL_VOLTAGES);
await SharedUtils.CallDispatcherAsync(() => batteryCellVoltages_bcvc.SetVoltages(data));
}
private async Task ShowFirmwareRevisionAsync()
{
uint fw = OnewheelConnectionHelper.INSTANCE.CACHE.GetUint(OnewheelCharacteristicsCache.CHARACTERISTIC_FIRMWARE_REVISION);
await SharedUtils.CallDispatcherAsync(() => firmware_tbx.Text = fw.ToString());
}