private IAnimationSettings GetAnimationSettings()
{
if (BasedOn is CompoundSettings compound)
{
// Make sure to capture an override on the Event property (if any)
if (Event != AnimationSettings.DEFAULT_EVENT)
{
compound.Event = Event;
}
return(compound);
}
var current = new AnimationSettings()
{
Kind = Kind,
Duration = Duration,
Delay = Delay,
Opacity = Opacity,
OffsetX = OffsetX,
OffsetY = OffsetY,
ScaleX = ScaleX,
ScaleY = ScaleY,
Rotation = Rotation,
BlurRadius = BlurRadius,
TransformCenterPoint = TransformCenterPoint,
Easing = Easing,
EasingMode = EasingMode,
Event = Event,
#if __UWP__
OffsetZ = OffsetZ,
ScaleZ = ScaleZ,
Saturation = Saturation,
Tint = Tint,
#endif
};
// If "BasedOn" is used, return an AnimationSettings
// object that uses the values in "BasedOn" and then
// overrides those with updated values from "current"
return(BasedOn == null
? current
: ((AnimationSettings)BasedOn)?.ApplyOverrides(current));
}
private static void RunAnimation(FrameworkElement element, AnimationSettings settings, bool runFromIdle, bool isSequence = false)
{
var timeline = new Timeline();
var iterationBehavior = GetIterationBehavior(element);
var iterationCount = GetIterationCount(element);
// FADE IN/OUT
if (settings.Kind.HasFlag(AnimationKind.FadeTo))
{
element.FadeTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.FadeFrom))
{
element.FadeFrom(settings, ref timeline);
}
// ROTATE TO/FROM
if (settings.Kind.HasFlag(AnimationKind.RotateTo))
{
element.RotateTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.RotateFrom))
{
element.RotateFrom(settings, ref timeline);
}
// SCALE TO/FROM
if (settings.Kind.HasFlag(AnimationKind.ScaleXTo))
{
element.ScaleXTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.ScaleXFrom))
{
element.ScaleXFrom(settings, ref timeline);
}
if (settings.Kind.HasFlag(AnimationKind.ScaleYTo))
{
element.ScaleYTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.ScaleYFrom))
{
element.ScaleYFrom(settings, ref timeline);
}
#if __UWP__
if (settings.Kind.HasFlag(AnimationKind.ScaleZTo))
{
element.ScaleZTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.ScaleZFrom))
{
element.ScaleZFrom(settings, ref timeline);
}
#endif
// TRANSLATE TO/FROM
if (settings.Kind.HasFlag(AnimationKind.TranslateXTo))
{
element.TranslateXTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.TranslateXFrom))
{
element.TranslateXFrom(settings, ref timeline);
}
if (settings.Kind.HasFlag(AnimationKind.TranslateYTo))
{
element.TranslateYTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.TranslateYFrom))
{
element.TranslateYFrom(settings, ref timeline);
}
#if __UWP__
if (settings.Kind.HasFlag(AnimationKind.TranslateZTo))
{
element.TranslateZTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.TranslateZFrom))
{
element.TranslateZFrom(settings, ref timeline);
}
#endif
// BLUR TO/FROM
if (settings.Kind.HasFlag(AnimationKind.BlurTo))
{
element.BlurTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.BlurFrom))
{
element.BlurFrom(settings, ref timeline);
}
ActiveTimeline <Timeline> active = null;
if (runFromIdle)
{
// If the animation is running for an "idle" ActiveTimeline,
// then it must be set to the existing ActiveTimeline
// instead of creating a new one
var guid = GetElementGuid(element);
active = _actives.SetTimeline(guid, timeline);
}
else
{
// Add the new ActiveTimeline
active = _actives.Add(timeline, settings, element, AnimationState.Idle, iterationBehavior, iterationCount, isSequence);
}
// We decrement the iteration count right before running the animation
if (active.IterationCount > 0)
{
active.IterationCount--;
}
StartTimeline(timeline);
}
internal static void RunAnimation(FrameworkElement element, AnimationSettings settings, bool isSequence = false)
{
RunAnimation(element, settings, runFromIdle: false, isSequence: isSequence);
}
private static void RunAnimation(FrameworkElement element, AnimationSettings settings, bool runFromIdle, bool isSequence = false)
{
#if !__WPF__
if (Debugger.IsAttached && GetEnableDebugging(element) == DebugTarget.RunAnimation)
{
Debugger.Break();
}
#endif
var timeline = new Timeline();
var iterationBehavior = GetIterationBehavior(element);
var iterationCount = GetIterationCount(element);
// FADE IN/OUT
if (settings.Kind.HasFlag(AnimationKind.FadeTo))
{
element.FadeTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.FadeFrom))
{
element.FadeFrom(settings, ref timeline);
}
// ROTATE TO/FROM
if (settings.Kind.HasFlag(AnimationKind.RotateTo))
{
element.RotateTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.RotateFrom))
{
element.RotateFrom(settings, ref timeline);
}
// ColorAnimation supported only on Uno and WPF (not on native UWP due to Composition-only implementations)
#if WINDOWS_UWP || HAS_UNO || __WPF__
// COLOR TO/FROM
if (settings.Kind.HasFlag(AnimationKind.ColorTo))
{
element.ColorTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.ColorFrom))
{
element.ColorFrom(settings, ref timeline);
}
#endif
// SCALE TO/FROM
if (settings.Kind.HasFlag(AnimationKind.ScaleXTo))
{
element.ScaleXTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.ScaleXFrom))
{
element.ScaleXFrom(settings, ref timeline);
}
if (settings.Kind.HasFlag(AnimationKind.ScaleYTo))
{
element.ScaleYTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.ScaleYFrom))
{
element.ScaleYFrom(settings, ref timeline);
}
#if __UWP__
if (settings.Kind.HasFlag(AnimationKind.ScaleZTo))
{
element.ScaleZTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.ScaleZFrom))
{
element.ScaleZFrom(settings, ref timeline);
}
#endif
// TRANSLATE TO/FROM
if (settings.Kind.HasFlag(AnimationKind.TranslateXTo))
{
element.TranslateXTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.TranslateXFrom))
{
element.TranslateXFrom(settings, ref timeline);
}
if (settings.Kind.HasFlag(AnimationKind.TranslateYTo))
{
element.TranslateYTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.TranslateYFrom))
{
element.TranslateYFrom(settings, ref timeline);
}
#if __UWP__
if (settings.Kind.HasFlag(AnimationKind.TranslateZTo))
{
element.TranslateZTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.TranslateZFrom))
{
element.TranslateZFrom(settings, ref timeline);
}
#endif
#if __WPF__ || __UWP__
// BLUR TO/FROM
if (settings.Kind.HasFlag(AnimationKind.BlurTo))
{
element.BlurTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.BlurFrom))
{
element.BlurFrom(settings, ref timeline);
}
#endif
#if __UWP__
// SATURATE TO/FROM
if (settings.Kind.HasFlag(AnimationKind.SaturateTo))
{
element.SaturateTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.SaturateFrom))
{
element.SaturateFrom(settings, ref timeline);
}
// TINT TO/FROM
if (settings.Kind.HasFlag(AnimationKind.TintTo))
{
element.TintTo(settings, ref timeline);
}
else if (settings.Kind.HasFlag(AnimationKind.TintFrom))
{
element.TintFrom(settings, ref timeline);
}
#endif
ActiveTimeline <Timeline> active = null;
if (runFromIdle)
{
// If the animation is running for an "idle" ActiveTimeline,
// then it must be set to the existing ActiveTimeline
// instead of creating a new one
var guid = GetElementGuid(element);
active = _actives.SetTimeline(guid, timeline);
}
else
{
// Add the new ActiveTimeline
active = _actives.Add(timeline, settings, element, AnimationState.Idle, iterationBehavior, iterationCount, isSequence);
}
// We decrement the iteration count right before running the animation
if (active.IterationCount > 0)
{
active.IterationCount--;
}
StartTimeline(timeline);
}
public static void SetStartWith(DependencyObject obj, AnimationSettings value) => obj.SetValue(StartWithProperty, value);
public static void SetItems(ListViewBase obj, AnimationSettings value) => obj.SetValue(ItemsProperty, value);
internal static void Validate(FrameworkElement element)
{
// Skip validation if a debugger isn't attached
if (!Debugger.IsAttached)
{
return;
}
var startWith = element.ReadLocalValue(StartWithProperty);
var startWithSettings = GetStartWith(element);
var primary = element.ReadLocalValue(PrimaryProperty);
var primaryBinding = element.ReadLocalValue(PrimaryBindingProperty);
var secondary = element.ReadLocalValue(SecondaryProperty);
var secondaryBinding = element.ReadLocalValue(SecondaryBindingProperty);
var isIterating = GetIterationBehavior(element) == IterationBehavior.Forever || GetIterationCount(element) > 1;
AnimationSettings primarySettings = null;
CompoundSettings primaryCompoundSettings = null;
AnimationSettings secondarySettings = null;
CompoundSettings secondaryCompoundSettings = null;
if (GetPrimary(element) is CompoundSettings compoundPrimary)
{
primaryCompoundSettings = compoundPrimary;
}
else
{
primarySettings = GetPrimary(element) as AnimationSettings;
}
if (GetSecondary(element) is CompoundSettings compoundSecondary)
{
secondaryCompoundSettings = compoundSecondary;
}
else
{
secondarySettings = GetSecondary(element) as AnimationSettings;
}
// Cannot set an animation for Secondary when specifying values for IterationCount or IterationBehavior.
if (isIterating && secondary != DependencyProperty.UnsetValue)
{
throw new ArgumentException($"Cannot set an animation for {nameof(SecondaryProperty)} when specifying values for {nameof(IterationCountProperty)} or {nameof(IterationBehaviorProperty)}.");
}
// Primary must be set first before specifying a value for Secondary.
if (primary == DependencyProperty.UnsetValue &&
secondary != DependencyProperty.UnsetValue)
{
throw new ArgumentException($"{nameof(PrimaryProperty)} must be set first before specifying a value for {nameof(SecondaryProperty)}.");
}
// PrimaryBinding was set wtihout a corresponding value for Primary.
if (primaryBinding != DependencyProperty.UnsetValue &&
primary == DependencyProperty.UnsetValue)
{
throw new ArgumentException($"{nameof(PrimaryBindingProperty)} was set wtihout a corresponding value for {nameof(PrimaryProperty)}.");
}
// Primary is missing a trigger by an event or binding.
if (primary != DependencyProperty.UnsetValue &&
primaryBinding == DependencyProperty.UnsetValue &&
primarySettings != null &&
primarySettings?.Event == EventType.None)
{
throw new ArgumentException($"{nameof(PrimaryProperty)} is missing a trigger by an event or binding.");
}
// SecondaryBinding was set wtihout a corresponding value for Secondary.
if (secondaryBinding != DependencyProperty.UnsetValue &&
secondary == DependencyProperty.UnsetValue)
{
throw new ArgumentException($"{nameof(SecondaryBindingProperty)} was set wtihout a corresponding value for {nameof(SecondaryProperty)}.");
}
// Secondary is missing a trigger by an event or binding.
if (secondary != DependencyProperty.UnsetValue &&
secondaryBinding == DependencyProperty.UnsetValue &&
secondarySettings != null &&
secondarySettings.Event == EventType.None)
{
throw new ArgumentException($"{nameof(SecondaryProperty)} is missing a trigger by an event or binding.");
}
// Cannot use StartWith without specifying a Primaryanimation.
if (startWith != DependencyProperty.UnsetValue && primary == DependencyProperty.UnsetValue)
{
throw new ArgumentException($"Cannot use {nameof(StartWithProperty)} without specifying a {nameof(PrimaryProperty)} animation.");
}
}