void Initialize()
{
if (Container != null)
{
SplashScreenHelper.InvokeAsync(Container, () => LockContainer(Container, lockMode), DispatcherPriority.Send, AsyncInvokeMode.AllowSyncInvoke);
}
}
public void Release(bool activateWindowIfNeeded)
{
if (Container == null)
{
return;
}
Container.Initialized -= OnOwnerInitialized;
var container = Container;
Container = null;
if (container.Window == null || lockMode == SplashScreenLock.None)
{
return;
}
SplashScreenHelper.InvokeAsync(container.Window, () => {
if (activateWindowIfNeeded && !SplashScreenHelper.ApplicationHasActiveWindow())
{
container.ActivateWindow();
}
SplashScreenHelper.UnlockWindow(container);
}, DispatcherPriority.Render);
}
public void Release(bool activateWindowIfNeeded)
{
if (Container == null)
{
return;
}
Container.Initialized -= OnOwnerInitialized;
var container = Container;
Container = null;
if (lockMode == SplashScreenLock.None)
{
return;
}
SplashScreenHelper.InvokeAsync(container, () => {
bool activateWindow = activateWindowIfNeeded && !SplashScreenHelper.ApplicationHasActiveWindow();
UnlockContainer(container);
if (activateWindow)
{
container.ActivateWindow();
}
else if (Keyboard.FocusedElement == null)
{
SplashScreenHelper.GetApplicationActiveWindow(false).Do(x => x.Focus());
}
}, DispatcherPriority.Render);
}
void ReleaseResources(SplashScreenInfo container)
{
lock (instanceLocker) {
instances.Remove(this);
if (instances.Count == 0 && hasUnhandledExceptionSubscriver)
{
SplashScreenHelper.InvokeAsync(Application.Current, UnsubscribeUnhandledException, DispatcherPriority.Send, AsyncInvokeMode.AsyncOnly);
}
}
var dispatcher = Dispatcher.FromThread(container.InternalThread);
container.RelationInfo.Do(x => x.ParentClosed -= OnSplashScreenOwnerClosed);
container.ReleaseResources();
if (Closed != null)
{
Closed.Invoke(this, EventArgs.Empty);
}
lock (internalLocker) {
infosForRelease.Remove(container);
}
try {
if (dispatcher != null)
{
dispatcher.BeginInvokeShutdown(DispatcherPriority.Normal);
Dispatcher.Run();
}
} catch { }
}
void OnLoadingChildChanged(bool loadChild = true)
{
if (ViewModelBase.IsInDesignMode)
{
LoadChildInDesignTime();
return;
}
Child = null;
if ((LoadingChild == null && LoadingChildTemplate == null) || !IsInitialized)
{
return;
}
if (CanAutoShow())
{
if (!IsVisible && IsLoadedEx)
{
CloseSplashScreen();
}
else
{
ShowSplashScreen();
}
}
if (loadChild)
{
SplashScreenHelper.InvokeAsync(this, LoadChild);
}
}
void CloseSplashScreenOnLoading()
{
if (IsSplashScreenShown != null || !IsActive)
{
return;
}
SplashScreenHelper.InvokeAsync(this, CloseSplashScreen, DispatcherPriority.Render);
}
protected override void CompleteInitializationOverride()
{
if (Child.Window.Dispatcher.CheckAccess())
{
nextParentPos = childLocation == SplashScreenLocation.CenterContainer ? Parent.ControlStartupPosition : Parent.WindowStartupPosition;
UpdateChildPosition();
}
SplashScreenHelper.InvokeAsync(Parent.Window, () => UpdateNextParentRectAndChildPosition(true), DispatcherPriority.Normal, AsyncInvokeMode.AllowSyncInvoke);
}
protected override void CompleteInitializationOverride()
{
base.CompleteInitializationOverride();
if (Child.Window.Dispatcher.CheckAccess())
{
UpdateChildLocation();
}
SplashScreenHelper.InvokeAsync(Parent, () => UpdateNextParentRectAndChildPosition(true), DispatcherPriority.Normal, AsyncInvokeMode.AllowSyncInvoke);
}
void CompleteInitialization()
{
if (IsReleased || IsInitialized || Child == null || !Child.IsInitialized || Parent.Handle == IntPtr.Zero)
{
return;
}
CompleteInitializationOverride();
SplashScreenHelper.InvokeAsync(Child, SetChildParent);
IsInitialized = true;
}
void OnLoadingChildChanged()
{
Child = null;
if (LoadingChild == null || !IsLoaded)
{
return;
}
LoadingChild.Loaded += OnLoadingChildLoaded;
if (IsSplashScreenShown == null && IsVisible)
{
ShowSplashScreen();
}
SplashScreenHelper.InvokeAsync(this, () => Child = LoadingChild);
}
void UpdateNextParentRectAndChildPosition(bool skipSizeCheck)
{
if (SkipArrange || !Parent.IsInitialized)
{
return;
}
UpdateParentLocation();
if (!skipSizeCheck && lastParentPos == nextParentPos || nextParentPos.IsEmpty)
{
return;
}
SplashScreenHelper.InvokeAsync(Child, () => UpdateChildLocation(), DispatcherPriority.Normal, AsyncInvokeMode.AllowSyncInvoke);
}
void ReleaseResources(SplashScreenInfo container)
{
lock (instanceLocker) {
instances.Remove(this);
if (instances.Count == 0 && hasUnhandledExceptionSubscriver)
{
SplashScreenHelper.InvokeAsync(Application.Current, UnsubscribeUnhandledException, DispatcherPriority.Send, AsyncInvokeMode.AsyncOnly);
}
}
container.RelationInfo.Do(x => x.ParentClosed -= OnSplashScreenOwnerClosed);
container.ReleaseResources();
lock (internalLocker) {
infosForRelease.Remove(container);
}
Dispatcher.CurrentDispatcher.InvokeShutdown();
}
void UpdateNextParentRectAndChildPosition(bool skipSizeCheck)
{
if (SkipArrange || !Parent.IsInitialized)
{
return;
}
nextParentPos = isParentClosed
? Rect.Empty
: childLocation == SplashScreenLocation.CenterContainer ? Parent.GetControlRect() : Parent.GetWindowRect();
if (!skipSizeCheck && lastParentPos == nextParentPos || nextParentPos.IsEmpty)
{
return;
}
SplashScreenHelper.InvokeAsync(Child, () => UpdateChildPosition(), DispatcherPriority.Normal, AsyncInvokeMode.AllowSyncInvoke);
}
void OnLoadingChildChanged()
{
if (ViewModelBase.IsInDesignMode)
{
LoadChildInDesignTime();
return;
}
Child = null;
if ((LoadingChild == null && LoadingChildTemplate == null) || !IsLoaded)
{
return;
}
if (IsSplashScreenShown == null && IsVisible)
{
ShowSplashScreen();
}
SplashScreenHelper.InvokeAsync(this, LoadChild);
}
void OnIsSplashScreenShownChanged()
{
if (IsSplashScreenShown == true)
{
if (IsLoaded)
{
ShowSplashScreen();
}
else
{
SplashScreenHelper.InvokeAsync(this, () => { if (IsSplashScreenShown == true)
{
ShowSplashScreen();
}
}, DispatcherPriority.Render);
}
}
if (IsSplashScreenShown == false)
{
CloseSplashScreen();
}
}
void ChildSizeChanged(object sender, EventArgs e)
{
if (SkipArrange)
{
return;
}
if (!Parent.IsInitialized || Child.Window == null ||
(lastChildPos.Width == Child.Window.ActualWidth && lastChildPos.Height == Child.Window.ActualHeight))
{
return;
}
if (lastParentPos.IsEmpty)
{
SplashScreenHelper.InvokeAsync(Parent, () => UpdateNextParentRectAndChildPosition(true), DispatcherPriority.Normal, AsyncInvokeMode.AllowSyncInvoke);
}
else
{
UpdateChildLocation();
}
}
public void ActivateWindow()
{
SplashScreenHelper.InvokeAsync(this, ActivateWindowCore, DispatcherPriority.Send, AsyncInvokeMode.AllowSyncInvoke);
}
