private void SetIconSafe(string iconText)
{
if (this.Dispatcher.CheckAccess() == false)
{
this.Dispatcher.Invoke(new Action <string>(SetIconSafe), iconText);
return;
}
var bitmapTemp = IconDrawing.DrawBitmap(iconText);
var imageSource = bitmapTemp.ToImageSource();
Icon = imageSource;
bitmapTemp.Dispose();
}
public MainWindow()
{
InitializeComponent();
logger.Info("WhatsappTray2 started");
// https://www.codeproject.com/Articles/36468/WPF-NotifyIcon-2
tbi = new TaskbarIcon();
tbi.Icon = IconDrawing.DrawIcon("0");
//tbi.ToolTipText = "hello world";
tbi.MenuActivation = PopupActivationMode.RightClick;
tbi.ContextMenu = CreateContextMenue();
tbi.TrayLeftMouseUp += (sender, e) => RestoreWindow();
Icon = IconDrawing.DrawBitmap("0").ToImageSource();
// Start peridic timer to update the messages count in the tray-symbol.
var cancellationToken = new CancellationToken();
Task.Run(async() =>
{
WhatsAppApi.Browser = Browser;
logger.Info("Waiting for Whatsapp to initialize.");
await PeriodicWaitForWhatsappInitialized(TimeSpan.FromSeconds(1), cancellationToken);
WhatsAppApi.Initialize();
// = Start the message-count-update-function =
await PeriodicMessageCountUpdate(TimeSpan.FromSeconds(1), cancellationToken);
});
if (Properties.Settings.Default.StartMinimized == false)
{
this.Show();
}
else
{
// If the Browser is not shown we need to initialize it, otherwise it will not load the webpage.
Browser.CreateBrowser(null, new Size(20, 20));
}
Browser.DownloadHandler = new DownloadHandler();
}
public async Task PeriodicMessageCountUpdate(TimeSpan interval, CancellationToken cancellationToken)
{
var lastCount = -1;
var count = -1;
while (true)
{
logger.Info(nameof(PeriodicMessageCountUpdate));
lastCount = count;
count = WhatsAppApi.GetAllChatsWithNewMsgCount();
if (count != lastCount)
{
var tempIcon = tbi.Icon;
tbi.Icon = IconDrawing.DrawIcon(count.ToString());
tempIcon.Dispose();
SetIconSafe(count.ToString());
}
await Task.Delay(interval, cancellationToken);
}
}