diff --git a/src/Avalonia.Visuals/Animation/CompositePageTransition.cs b/src/Avalonia.Visuals/Animation/CompositePageTransition.cs new file mode 100644 index 0000000000..9489914c97 --- /dev/null +++ b/src/Avalonia.Visuals/Animation/CompositePageTransition.cs @@ -0,0 +1,61 @@ +using System.Collections.Generic; +using System.Linq; +using System.Threading.Tasks; +using Avalonia.Metadata; + +namespace Avalonia.Animation +{ + /// + /// Defines a composite page transition that can be used to combine multiple transitions. + /// + /// + /// + /// Instantiate the in XAML and initialize the + /// property in order to have many animations triggered at once. + /// For example, you can combine and . + /// + /// + /// + /// + /// + /// + /// + /// + /// + /// ]]> + /// + /// + /// + public class CompositePageTransition : IPageTransition + { + /// + /// Gets or sets the transitions to be executed. Can be defined from XAML. + /// + [Content] + public List PageTransitions { get; set; } = new List(); + + /// + /// Starts the animation. + /// + /// + /// The control that is being transitioned away from. May be null. + /// + /// + /// The control that is being transitioned to. May be null. + /// + /// + /// Defines the direction of the transition. + /// + /// + /// A that tracks the progress of the animation. + /// + public Task Start(Visual from, Visual to, bool forward) + { + var transitionTasks = PageTransitions + .Select(transition => transition.Start(from, to, forward)) + .ToList(); + return Task.WhenAll(transitionTasks); + } + } +} diff --git a/src/Avalonia.Visuals/Animation/CrossFade.cs b/src/Avalonia.Visuals/Animation/CrossFade.cs index 640f401418..0615b854da 100644 --- a/src/Avalonia.Visuals/Animation/CrossFade.cs +++ b/src/Avalonia.Visuals/Animation/CrossFade.cs @@ -1,6 +1,7 @@ using System; using System.Collections.Generic; using System.Threading.Tasks; +using Avalonia.Animation.Easings; using Avalonia.Styling; using Avalonia.VisualTree; @@ -74,14 +75,26 @@ namespace Avalonia.Animation /// public TimeSpan Duration { - get - { - return _fadeOutAnimation.Duration; - } - set - { - _fadeOutAnimation.Duration = _fadeInAnimation.Duration = value; - } + get => _fadeOutAnimation.Duration; + set => _fadeOutAnimation.Duration = _fadeInAnimation.Duration = value; + } + + /// + /// Gets or sets element entrance easing. + /// + public Easing FadeInEasing + { + get => _fadeInAnimation.Easing; + set => _fadeInAnimation.Easing = value; + } + + /// + /// Gets or sets element exit easing. + /// + public Easing FadeOutEasing + { + get => _fadeOutAnimation.Easing; + set => _fadeOutAnimation.Easing = value; } /// diff --git a/src/Avalonia.Visuals/Animation/PageSlide.cs b/src/Avalonia.Visuals/Animation/PageSlide.cs index 501c8c0ba4..dd5d598e12 100644 --- a/src/Avalonia.Visuals/Animation/PageSlide.cs +++ b/src/Avalonia.Visuals/Animation/PageSlide.cs @@ -1,6 +1,7 @@ using System; using System.Collections.Generic; using System.Threading.Tasks; +using Avalonia.Animation.Easings; using Avalonia.Media; using Avalonia.Styling; using Avalonia.VisualTree; @@ -48,6 +49,16 @@ namespace Avalonia.Animation /// Gets the duration of the animation. /// public SlideAxis Orientation { get; set; } + + /// + /// Gets or sets element entrance easing. + /// + public Easing SlideInEasing { get; set; } = new LinearEasing(); + + /// + /// Gets or sets element exit easing. + /// + public Easing SlideOutEasing { get; set; } = new LinearEasing(); /// /// Starts the animation. @@ -75,18 +86,12 @@ namespace Avalonia.Animation { var animation = new Animation { - Children = + Easing = SlideOutEasing, + Children = { new KeyFrame { - Setters = - { - new Setter - { - Property = translateProperty, - Value = 0d - } - }, + Setters = { new Setter { Property = translateProperty, Value = 0d } }, Cue = new Cue(0d) }, new KeyFrame @@ -100,10 +105,10 @@ namespace Avalonia.Animation } }, Cue = new Cue(1d) - } - } + } + }, + Duration = Duration }; - animation.Duration = Duration; tasks.Add(animation.RunAsync(from)); } @@ -112,9 +117,9 @@ namespace Avalonia.Animation to.IsVisible = true; var animation = new Animation { + Easing = SlideInEasing, Children = { - new KeyFrame { Setters = @@ -129,19 +134,12 @@ namespace Avalonia.Animation }, new KeyFrame { - Setters = - { - new Setter - { - Property = translateProperty, - Value = 0d - } - }, + Setters = { new Setter { Property = translateProperty, Value = 0d } }, Cue = new Cue(1d) } - } + }, + Duration = Duration }; - animation.Duration = Duration; tasks.Add(animation.RunAsync(to)); }