internal void ApplyTo(DependencyObject o, DependencyPropertyValuePrecedences precedence)
{
if (o == null)
{
this.Log().Warn("Style.ApplyTo - Applied to null object - Skipping");
return;
}
using (DependencyObjectExtensions.OverrideLocalPrecedence(o, precedence))
{
var flattenedSetters = CreateSetterMap();
#if !HAS_EXPENSIVE_TRYFINALLY
try
#endif
{
ResourceResolver.PushNewScope(_xamlScope);
foreach (var pair in flattenedSetters)
{
pair.Value(o);
}
}
#if !HAS_EXPENSIVE_TRYFINALLY
finally
#endif
{
ResourceResolver.PopScope();
}
}
}
internal void ApplyTo(DependencyObject o, DependencyPropertyValuePrecedences precedence)
{
if (o == null)
{
this.Log().Warn("Style.ApplyTo - Applied to null object - Skipping");
return;
}
using (DependencyObjectExtensions.OverrideLocalPrecedence(o, precedence))
{
var flattenedSetters = CreateSetterMap();
#if !HAS_EXPENSIVE_TRYFINALLY
try
#endif
{
ResourceResolver.PushNewScope(_xamlScope);
foreach (var pair in flattenedSetters)
{
pair.Value(o);
}
// Check tree for resource binding values, since some Setters may have set ThemeResource-backed values
(o as IDependencyObjectStoreProvider) !.Store.UpdateResourceBindings(isThemeChangedUpdate: false);
}
#if !HAS_EXPENSIVE_TRYFINALLY
finally
#endif
{
ResourceResolver.PopScope();
}
}
}
/// <summary>
/// Creates a new instance of the current template.
/// </summary>
/// <returns>A new instance of the template</returns>
public View LoadContent()
{
View view = null;
#if !HAS_EXPENSIVE_TRYFINALLY
try
#endif
{
ResourceResolver.PushNewScope(_xamlScope);
view = _viewFactory();
}
#if !HAS_EXPENSIVE_TRYFINALLY
finally
#endif
{
ResourceResolver.PopScope();
}
return(view);
}
public View?LoadContent()
{
View?view = null;
#if !HAS_EXPENSIVE_TRYFINALLY
try
#endif
{
ResourceResolver.PushNewScope(_xamlScope);
if (_viewFactory != null)
{
view = _viewFactory(_ownerRef?.Target);
}
}
#if !HAS_EXPENSIVE_TRYFINALLY
finally
#endif
{
ResourceResolver.PopScope();
}
return(view);
}
internal void ApplyTo(DependencyObject o, DependencyPropertyValuePrecedences precedence)
{
if (o == null)
{
this.Log().Warn("Style.ApplyTo - Applied to null object - Skipping");
return;
}
var localPrecedenceDisposable = DependencyObjectExtensions.OverrideLocalPrecedence(o, precedence);
var flattenedSetters = CreateSetterMap();
#if !HAS_EXPENSIVE_TRYFINALLY
try
#endif
{
ResourceResolver.PushNewScope(_xamlScope);
// This block is a manual enumeration to avoid the foreach pattern
// See https://github.com/dotnet/runtime/issues/56309 for details
var settersEnumerator = flattenedSetters.GetEnumerator();
while (settersEnumerator.MoveNext())
{
settersEnumerator.Current.Value(o);
}
// Check tree for resource binding values, since some Setters may have set ThemeResource-backed values
(o as IDependencyObjectStoreProvider) !.Store.UpdateResourceBindings(isThemeChangedUpdate: false);
}
#if !HAS_EXPENSIVE_TRYFINALLY
finally
#endif
{
ResourceResolver.PopScope();
localPrecedenceDisposable?.Dispose();
}
}
internal void GoToState(IFrameworkElement element, VisualState state, VisualState originalState, bool useTransitions, Action onStateChanged)
{
if (this.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
this.Log().DebugFormat("Go to state [{0}/{1}] on [{2}]", Name, state?.Name, element);
}
var transition = FindTransition(originalState?.Name, state?.Name);
EventHandler <object> onComplete = null;
onComplete = (s, a) =>
{
onStateChanged();
if (state?.Storyboard == null)
{
return;
}
state.Storyboard.Completed -= onComplete;
};
EventHandler <object> onTransitionComplete = null;
onTransitionComplete = (s, a) =>
{
if (transition?.Storyboard != null && useTransitions)
{
transition.Storyboard.Completed -= onTransitionComplete;
if (state?.Storyboard != null)
{
transition.Storyboard.TurnOverAnimationsTo(state.Storyboard);
}
}
//Starts Storyboard Animation
if (state?.Storyboard == null)
{
onComplete(this, null);
}
else if (state != null)
{
state.Storyboard.Completed += onComplete;
state.Storyboard.Begin();
}
};
//Stops Previous Storyboard Animation
if (originalState != null)
{
if (originalState.Storyboard != null)
{
if (transition?.Storyboard != null)
{
originalState.Storyboard.TurnOverAnimationsTo(transition.Storyboard);
}
else if (state?.Storyboard != null)
{
originalState.Storyboard.TurnOverAnimationsTo(state.Storyboard);
}
else
{
originalState.Storyboard.Stop();
}
}
foreach (var setter in this.CurrentState.Setters.OfType <Setter>())
{
if (element != null && (state?.Setters.OfType <Setter>().Any(o => o.HasSameTarget(setter, DependencyPropertyValuePrecedences.Animations, element)) ?? false))
{
// PERF: We clear the value of the current setter only if there isn't any setter in the target state
// which changes the same target property.
if (this.Log().IsEnabled(LogLevel.Debug))
{
this.Log().Debug($"Ignoring reset of setter of '{setter.Target?.Path}' as it will be updated again by '{state.Name}'");
}
continue;
}
setter.ClearValue();
}
}
#if !HAS_EXPENSIVE_TRYFINALLY
try
#endif
{
ResourceResolver.PushNewScope(_xamlScope);
this.CurrentState = state;
if (this.CurrentState != null && element != null)
{
foreach (var setter in this.CurrentState.Setters.OfType <Setter>())
{
setter.ApplyValue(DependencyPropertyValuePrecedences.Animations, element);
}
}
if (transition?.Storyboard == null || !useTransitions)
{
onTransitionComplete(this, null);
}
else
{
transition.Storyboard.Completed += onTransitionComplete;
transition.Storyboard.Begin();
}
}
#if !HAS_EXPENSIVE_TRYFINALLY
finally
#endif
{
ResourceResolver.PopScope();
}
}
