/// <summary>
/// Initializes a new instance of the <see cref="TopLevel"/> class.
/// </summary>
/// <param name="impl">The platform-specific window implementation.</param>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public TopLevel(ITopLevelImpl impl, IAvaloniaDependencyResolver dependencyResolver)
{
if (impl == null)
{
throw new InvalidOperationException(
"Could not create window implementation: maybe no windowing subsystem was initialized?");
}
PlatformImpl = impl;
dependencyResolver = dependencyResolver ?? AvaloniaLocator.Current;
var styler = TryGetService <IStyler>(dependencyResolver);
_accessKeyHandler = TryGetService <IAccessKeyHandler>(dependencyResolver);
_inputManager = TryGetService <IInputManager>(dependencyResolver);
_keyboardNavigationHandler = TryGetService <IKeyboardNavigationHandler>(dependencyResolver);
_applicationLifecycle = TryGetService <IApplicationLifecycle>(dependencyResolver);
_renderInterface = TryGetService <IPlatformRenderInterface>(dependencyResolver);
var renderLoop = TryGetService <IRenderLoop>(dependencyResolver);
Renderer = impl.CreateRenderer(this);
impl.SetInputRoot(this);
impl.Closed = HandleClosed;
impl.Input = HandleInput;
impl.Paint = HandlePaint;
impl.Resized = HandleResized;
impl.ScalingChanged = HandleScalingChanged;
_keyboardNavigationHandler?.SetOwner(this);
_accessKeyHandler?.SetOwner(this);
styler?.ApplyStyles(this);
ClientSize = impl.ClientSize;
this.GetObservable(PointerOverElementProperty)
.Select(
x => (x as InputElement)?.GetObservable(CursorProperty) ?? Observable.Empty <Cursor>())
.Switch().Subscribe(cursor => PlatformImpl?.SetCursor(cursor?.PlatformCursor));
if (_applicationLifecycle != null)
{
_applicationLifecycle.OnExit += OnApplicationExiting;
}
if (((IStyleHost)this).StylingParent is IResourceProvider applicationResources)
{
WeakSubscriptionManager.Subscribe(
applicationResources,
nameof(IResourceProvider.ResourcesChanged),
this);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TopLevel"/> class.
/// </summary>
/// <param name="impl">The platform-specific window implementation.</param>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public TopLevel(ITopLevelImpl impl, IAvaloniaDependencyResolver dependencyResolver)
{
if (impl == null)
{
throw new InvalidOperationException(
"Could not create window implementation: maybe no windowing subsystem was initialized?");
}
PlatformImpl = impl;
dependencyResolver = dependencyResolver ?? AvaloniaLocator.Current;
var styler = TryGetService <IStyler>(dependencyResolver);
_accessKeyHandler = TryGetService <IAccessKeyHandler>(dependencyResolver);
_inputManager = TryGetService <IInputManager>(dependencyResolver);
_keyboardNavigationHandler = TryGetService <IKeyboardNavigationHandler>(dependencyResolver);
_applicationLifecycle = TryGetService <IApplicationLifecycle>(dependencyResolver);
_renderInterface = TryGetService <IPlatformRenderInterface>(dependencyResolver);
var renderLoop = TryGetService <IRenderLoop>(dependencyResolver);
var rendererFactory = TryGetService <IRendererFactory>(dependencyResolver);
Renderer = rendererFactory?.CreateRenderer(this, renderLoop);
PlatformImpl.SetInputRoot(this);
PlatformImpl.Activated = HandleActivated;
PlatformImpl.Deactivated = HandleDeactivated;
PlatformImpl.Closed = HandleClosed;
PlatformImpl.Input = HandleInput;
PlatformImpl.Paint = Renderer != null ? (Action <Rect>)Renderer.Render : null;
PlatformImpl.Resized = HandleResized;
PlatformImpl.ScalingChanged = HandleScalingChanged;
PlatformImpl.PositionChanged = HandlePositionChanged;
_keyboardNavigationHandler?.SetOwner(this);
_accessKeyHandler?.SetOwner(this);
styler?.ApplyStyles(this);
ClientSize = PlatformImpl.ClientSize;
this.GetObservable(ClientSizeProperty).Skip(1).Subscribe(x => PlatformImpl.ClientSize = x);
this.GetObservable(PointerOverElementProperty)
.Select(
x => (x as InputElement)?.GetObservable(CursorProperty) ?? Observable.Empty <Cursor>())
.Switch().Subscribe(cursor => PlatformImpl.SetCursor(cursor?.PlatformCursor));
if (_applicationLifecycle != null)
{
_applicationLifecycle.OnExit += OnApplicationExiting;
}
}
/// <summary>
/// Tries to get a service from an <see cref="IAvaloniaDependencyResolver"/>, logging a
/// warning if not found.
/// </summary>
/// <typeparam name="T">The service type.</typeparam>
/// <param name="resolver">The resolver.</param>
/// <returns>The service.</returns>
private T TryGetService <T>(IAvaloniaDependencyResolver resolver) where T : class
{
var result = resolver.GetService <T>();
if (result == null)
{
Logger.Warning(
LogArea.Control,
this,
"Could not create {Service} : maybe Application.RegisterServices() wasn't called?",
typeof(T));
}
return(result);
}
public AvaloniaLocator(IAvaloniaDependencyResolver parentScope)
{
_parentScope = parentScope;
}
public static T GetService <T>(this IAvaloniaDependencyResolver resolver)
{
return((T)resolver.GetService(typeof(T)));
}
public ResolverDisposable(IAvaloniaDependencyResolver resolver, AvaloniaLocator mutable)
{
_resolver = resolver;
_mutable = mutable;
}
/// <summary>
/// Initializes a new instance of the <see cref="PopupRoot"/> class.
/// </summary>
/// <param name="parent">The popup parent.</param>
/// <param name="impl">The popup implementation.</param>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public PopupRoot(TopLevel parent, IPopupImpl impl, IAvaloniaDependencyResolver dependencyResolver)
: base(impl, dependencyResolver)
{
_parent = parent;
}
/// <summary>
/// Initializes a new instance of the <see cref="PopupRoot"/> class.
/// </summary>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public PopupRoot(IAvaloniaDependencyResolver dependencyResolver)
: base(PlatformManager.CreatePopup(), dependencyResolver)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="TopLevel"/> class.
/// </summary>
/// <param name="impl">The platform-specific window implementation.</param>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public TopLevel(ITopLevelImpl impl, IAvaloniaDependencyResolver dependencyResolver)
{
if (impl == null)
{
throw new InvalidOperationException(
"Could not create window implementation: maybe no windowing subsystem was initialized?");
}
PlatformImpl = impl;
_actualTransparencyLevel = PlatformImpl.TransparencyLevel;
dependencyResolver = dependencyResolver ?? AvaloniaLocator.Current;
var styler = TryGetService <IStyler>(dependencyResolver);
_accessKeyHandler = TryGetService <IAccessKeyHandler>(dependencyResolver);
_inputManager = TryGetService <IInputManager>(dependencyResolver);
_keyboardNavigationHandler = TryGetService <IKeyboardNavigationHandler>(dependencyResolver);
_renderInterface = TryGetService <IPlatformRenderInterface>(dependencyResolver);
_globalStyles = TryGetService <IGlobalStyles>(dependencyResolver);
Renderer = impl.CreateRenderer(this);
if (Renderer != null)
{
Renderer.SceneInvalidated += SceneInvalidated;
}
impl.SetInputRoot(this);
impl.Closed = HandleClosed;
impl.Input = HandleInput;
impl.Paint = HandlePaint;
impl.Resized = HandleResized;
impl.ScalingChanged = HandleScalingChanged;
impl.TransparencyLevelChanged = HandleTransparencyLevelChanged;
_keyboardNavigationHandler?.SetOwner(this);
_accessKeyHandler?.SetOwner(this);
if (_globalStyles is object)
{
_globalStyles.GlobalStylesAdded += ((IStyleHost)this).StylesAdded;
_globalStyles.GlobalStylesRemoved += ((IStyleHost)this).StylesRemoved;
}
styler?.ApplyStyles(this);
ClientSize = impl.ClientSize;
this.GetObservable(PointerOverElementProperty)
.Select(
x => (x as InputElement)?.GetObservable(CursorProperty) ?? Observable.Empty <Cursor>())
.Switch().Subscribe(cursor => PlatformImpl?.SetCursor(cursor?.PlatformCursor));
if (((IStyleHost)this).StylingParent is IResourceHost applicationResources)
{
WeakSubscriptionManager.Subscribe(
applicationResources,
nameof(IResourceHost.ResourcesChanged),
this);
}
impl.LostFocus += PlatformImpl_LostFocus;
}
/// <summary>
/// Initializes a new instance of the <see cref="PopupRoot"/> class.
/// </summary>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public PopupRoot(IAvaloniaDependencyResolver dependencyResolver)
: base(PlatformManager.CreatePopup(), dependencyResolver)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="PopupRoot"/> class.
/// </summary>
/// <param name="parent">The popup parent.</param>
/// <param name="impl">The popup implementation.</param>
/// <param name="dependencyResolver">
/// The dependency resolver to use. If null the default dependency resolver will be used.
/// </param>
public PopupRoot(TopLevel parent, IPopupImpl impl, IAvaloniaDependencyResolver dependencyResolver)
: base(ValidatingPopupImpl.Wrap(impl), dependencyResolver)
{
_parent = parent;
}
public static T GetRequiredService <T>(this IAvaloniaDependencyResolver resolver)
{
return((T?)resolver.GetService(typeof(T)) ?? throw new InvalidOperationException($"Unable to locate '{typeof(T)}'."));
}
public static object GetRequiredService(this IAvaloniaDependencyResolver resolver, Type t)
{
return(resolver.GetService(t) ?? throw new InvalidOperationException($"Unable to locate '{t}'."));
}
