private void InvokeUnhandledException(object sender, Exception exception)
{
if (exception != null)
{
UnhandledExceptionOccurred?.Invoke(sender, new UnhandledExceptionOccurredEventArgs(exception));
}
}
public ApplicationLifecycleHelper()
{
Enabled = true;
AppDomain.CurrentDomain.UnhandledException += (sender, eventArgs) =>
{
UnhandledExceptionOccurred?.Invoke(sender, new UnhandledExceptionOccurredEventArgs((Exception)eventArgs.ExceptionObject));
};
}
private DockManager(Vector2 windowSize)
{
var window = new Window(new WindowOptions {
ClientSize = windowSize,
FixedSize = false,
Title = "Tangerine",
MacWindowTabbingMode = MacWindowTabbingMode.Disallowed,
#if WIN
Icon = new System.Drawing.Icon(new EmbeddedResource(AppIconPath, "Tangerine").GetResourceStream()),
#endif // WIN
});
window.UnhandledExceptionOnUpdate += e => UnhandledExceptionOccurred?.Invoke(e);
SetDropHandler(window);
MainWindowWidget = new ThemedInvalidableWindowWidget(window)
{
Id = "MainWindow",
Layout = new VBoxLayout(),
Size = windowSize,
RedrawMarkVisible = true
};
MainWindowWidget.WidgetContext.GestureManager = new HelpModeGestureManager(MainWindowWidget.WidgetContext);
ToolbarArea = new Frame {
Id = "Toolbar",
ClipChildren = ClipMethod.ScissorTest,
Layout = new VBoxLayout {
Spacing = 4
},
LayoutCell = new LayoutCell {
StretchY = 0
},
};
DocumentArea = new Frame {
ClipChildren = ClipMethod.ScissorTest,
};
DocumentAreaDropFilesGesture = new DropFilesGesture();
DocumentArea.Gestures.Add(DocumentAreaDropFilesGesture);
DocumentArea.CompoundPresenter.Add(new WidgetFlatFillPresenter(Color4.Gray));
var windowPlacement = new WindowPlacement {
Size = windowSize,
Position = window.ClientPosition,
WindowWidget = MainWindowWidget
};
DockHierarchy.Instance.Initialize(windowPlacement);
window.Moved += () => Model.WindowPlacements.First().Position = window.ClientPosition;
window.Resized += (deviceRotated) => Model.WindowPlacements.First().Size = window.ClientSize;
MainWindowWidget.AddChangeWatcher(
() => MainWindowWidget.Window.State,
value => Model.WindowPlacements[0].State = value);
MainWindowWidget.Components.Add(new RequestedDockingComponent());
MainWindowWidget.CompoundPostPresenter.Add(new DockingPresenter());
}
public ApplicationLifecycleHelper()
{
// Subscribe to Resuming and Suspending events.
CoreApplication.Suspending += InvokeSuspended;
// If the "LeavingBackground" event is present, use that for Resuming. Else, use CoreApplication.Resuming.
if (ApiInformation.IsEventPresent(typeof(CoreApplication).FullName, "LeavingBackground"))
{
CoreApplication.LeavingBackground += InvokeResuming;
// If the application has anything visible, then it has already started,
// so invoke the resuming event immediately.
HasStartedAndNeedsResume().ContinueWith(completedTask =>
{
if (completedTask.Result)
{
InvokeResuming(null, EventArgs.Empty);
}
});
}
else
{
// In versions of Windows 10 where the LeavingBackground event is unavailable, we condider this point to be
// the start so invoke resuming (and subscribe to future resume events). If InvokeResuming were not called here,
// the resuming event wouldn't be invoked until the *next* time the application is resumed, which is a problem
// if the application is not currently suspended. The side effect is that regardless of whether UI is available
// ever in the process, InvokeResuming will be called at least once (in the case where LeavingBackground isn't
// available).
CoreApplication.Resuming += InvokeResuming;
InvokeResuming(null, EventArgs.Empty);
}
// Subscribe to unhandled errors events.
CoreApplication.UnhandledErrorDetected += (sender, eventArgs) =>
{
try
{
// Intentionally propagate exception to get the exception object that crashed the app.
eventArgs.UnhandledError.Propagate();
}
catch (Exception exception)
{
UnhandledExceptionOccurred?.Invoke(sender, new UnhandledExceptionOccurredEventArgs(exception));
// Since UnhandledError.Propagate marks the error as Handled, rethrow in order to only Log and not Handle.
throw;
}
};
}
private void CreateFloatingWindow(WindowPlacement placement)
{
var window = new Window(new WindowOptions {
FixedSize = false,
MacWindowTabbingMode = MacWindowTabbingMode.Disallowed,
#if WIN
Icon = new System.Drawing.Icon(new EmbeddedResource(AppIconPath, "Tangerine").GetResourceStream()),
#endif
Type = WindowType.Tool,
});
window.UnhandledExceptionOnUpdate += e => UnhandledExceptionOccurred?.Invoke(e);
SetDropHandler(window);
window.Closing += reason => {
if (reason == CloseReason.MainWindowClosing)
{
return(true);
}
var windowPlacement = Model.WindowPlacements.FirstOrDefault(p => p.WindowWidget?.Window == window);
if (windowPlacement != null)
{
windowPlacement.WindowWidget = null;
DockHierarchy.HideWindowPanels(windowPlacement);
}
return(true);
};
window.ClientSize = placement.Size;
var windowWidget = new ThemedInvalidableWindowWidget(window)
{
Layout = new StackLayout(),
};
windowWidget.CompoundPostPresenter.Add(new WidgetBoundsPresenter(ColorTheme.Current.Docking.PanelTitleSeparator, 1));
windowWidget.WidgetContext.GestureManager = new HelpModeGestureManager(windowWidget.WidgetContext);
windowWidget.Components.Add(new RequestedDockingComponent());
windowWidget.CompoundPostPresenter.Add(new DockingPresenter());
windowWidget.AddChangeWatcher(() => windowWidget.Window.State, value => placement.State = value);
placement.WindowWidget = windowWidget;
window.ClientPosition = placement.Position;
window.Moved += () => placement.Position = window.ClientPosition;
window.Resized += (deviceRotated) => placement.Size = window.ClientSize;
}
public ApplicationLifecycleHelper()
{
Enabled = true;
try
{
CoreApplication.MainView.CoreWindow.Activated += InvokeStarted;
if (CoreApplication.Views.Count > 0)
{
_started = true;
}
}
catch (System.Runtime.InteropServices.COMException)
{
throw new MobileCenterException("Failed to initialize ApplicationLifecycleHelper; are you accessing Mobile Center from your App() constructor? Initialization should be done in OnLaunched()/OnStart().");
}
Application.Current.UnhandledException += (sender, eventArgs) =>
{
UnhandledExceptionOccurred?.Invoke(sender, new UnhandledExceptionOccurredEventArgs(eventArgs.Exception));
};
}
// Internal for testing
public void InvokeUnhandledException()
{
UnhandledExceptionOccurred?.Invoke(null, new UnhandledExceptionOccurredEventArgs(new Exception()));
}
internal void InvokeUnhandledExceptionOccurred(object sender, Exception exception)
{
UnhandledExceptionOccurred?.Invoke(sender, new UnhandledExceptionOccurredEventArgs(exception));
}