/// <summary>
/// Creates an
/// <see cref="T:Microsoft.Phone.Controls.ITransition"/>
/// for a
/// <see cref="T:System.Windows.UIElement"/>
/// for the turnstile feather transition family.
/// </summary>
/// <param name="element">The <see cref="T:System.Windows.UIElement"/>.</param>
/// <param name="turnstileFeatherTransitionMode">The transition mode.</param>
/// <param name="beginTime">The time at which the transition should begin.</param>
/// <returns>The <see cref="T:Microsoft.Phone.Controls.ITransition"/>.</returns>
public static ITransition TurnstileFeather(UIElement element, TurnstileFeatherTransitionMode turnstileFeatherTransitionMode, TimeSpan?beginTime)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (!Enum.IsDefined(typeof(TurnstileFeatherTransitionMode), turnstileFeatherTransitionMode))
{
throw new ArgumentOutOfRangeException("turnstileFeatherTransitionMode");
}
element.Projection = new PlaneProjection {
CenterOfRotationX = 0
};
return(new FeatheredTransition(element, new Storyboard(), turnstileFeatherTransitionMode, beginTime));
}
/// <summary>
/// Adds a set of animations corresponding to the
/// turnstile feather effect.
/// </summary>
/// <param name="storyboard">
/// The storyboard where the animations
/// will be added.</param>
/// <param name="beginTime">
/// The time at which the storyboard should begin.</param>
/// <param name="mode">
/// The mode of the turnstile feather effect.
/// </param>
internal static void ComposeStoryboard(Storyboard storyboard, TimeSpan? beginTime, TurnstileFeatherTransitionMode mode)
{
RestoreProjectionsAndTransforms();
_featheringTargets = GetTargetsToAnimate();
if (_featheringTargets == null)
{
return;
}
_pendingRestore = true;
switch (mode)
{
case TurnstileFeatherTransitionMode.ForwardIn:
ComposeForwardInStoryboard(storyboard);
break;
case TurnstileFeatherTransitionMode.ForwardOut:
ComposeForwardOutStoryboard(storyboard);
break;
case TurnstileFeatherTransitionMode.BackwardIn:
ComposeBackwardInStoryboard(storyboard);
break;
case TurnstileFeatherTransitionMode.BackwardOut:
ComposeBackwardOutStoryboard(storyboard);
break;
default:
break;
}
storyboard.BeginTime = beginTime;
storyboard.Completed += (s, e) =>
{
foreach (WeakReference r in _featheringTargets)
{
FrameworkElement element = (FrameworkElement)r.Target;
double originalOpacity = TurnstileFeatherEffect.GetOriginalOpacity(element);
element.Opacity = originalOpacity;
}
RestoreProjectionsAndTransforms();
};
}
/// <summary>
/// Adds a set of animations corresponding to the
/// turnstile feather effect.
/// </summary>
/// <param name="storyboard">
/// The storyboard where the animations
/// will be added.</param>
/// <param name="beginTime">
/// The time at which the storyboard should begin.</param>
/// <param name="mode">
/// The mode of the turnstile feather effect.
/// </param>
internal static void ComposeStoryboard(Storyboard storyboard, TimeSpan?beginTime, TurnstileFeatherTransitionMode mode)
{
RestoreProjectionsAndTransforms();
_featheringTargets = GetTargetsToAnimate();
if (_featheringTargets == null)
{
return;
}
_pendingRestore = true;
switch (mode)
{
case TurnstileFeatherTransitionMode.ForwardIn:
ComposeForwardInStoryboard(storyboard);
break;
case TurnstileFeatherTransitionMode.ForwardOut:
ComposeForwardOutStoryboard(storyboard);
break;
case TurnstileFeatherTransitionMode.BackwardIn:
ComposeBackwardInStoryboard(storyboard);
break;
case TurnstileFeatherTransitionMode.BackwardOut:
ComposeBackwardOutStoryboard(storyboard);
break;
default:
break;
}
storyboard.BeginTime = beginTime;
storyboard.Completed += (s, e) =>
{
foreach (WeakReference r in _featheringTargets)
{
FrameworkElement element = (FrameworkElement)r.Target;
double originalOpacity = TurnstileFeatherEffect.GetOriginalOpacity(element);
element.Opacity = originalOpacity;
}
RestoreProjectionsAndTransforms();
};
}
/// <summary>
/// Constructs a
/// <see cref="T:Microsoft.Phone.Controls.FeatheredTransition"/>
/// for a
/// <see cref="T:System.Windows.UIElement"/>
/// and a
/// <see cref="T:System.Windows.Media.Animation.Storyboard"/>,
/// based on a
/// <see cref="T:Microsoft.Phone.Controls.TurnstileFeatherTransitionMode"/>
/// </summary>
/// <param name="element">
/// The <see cref="T:System.Windows.UIElement"/>.
/// </param>
/// <param name="storyboard">
/// The <see cref="T:System.Windows.Media.Animation.Storyboard"/>.
/// </param>
/// <param name="mode">
/// The <see cref="T:Microsoft.Phone.Controls.TurnstileFeatherTransitionMode"/>.
/// </param>
/// <param name="beginTime">
/// The time at which the transition should begin.
/// </param>
public FeatheredTransition(UIElement element, Storyboard storyboard, TurnstileFeatherTransitionMode mode, TimeSpan? beginTime)
: base(element, storyboard)
{
_mode = mode;
_beginTime = beginTime;
}
/// <summary>
/// Constructs a
/// <see cref="T:Microsoft.Phone.Controls.FeatheredTransition"/>
/// for a
/// <see cref="T:System.Windows.UIElement"/>
/// and a
/// <see cref="T:System.Windows.Media.Animation.Storyboard"/>,
/// based on a
/// <see cref="T:Microsoft.Phone.Controls.TurnstileFeatherTransitionMode"/>
/// </summary>
/// <param name="element">
/// The <see cref="T:System.Windows.UIElement"/>.
/// </param>
/// <param name="storyboard">
/// The <see cref="T:System.Windows.Media.Animation.Storyboard"/>.
/// </param>
/// <param name="mode">
/// The <see cref="T:Microsoft.Phone.Controls.TurnstileFeatherTransitionMode"/>.
/// </param>
/// <param name="beginTime">
/// The time at which the transition should begin.
/// </param>
public FeatheredTransition(UIElement element, Storyboard storyboard, TurnstileFeatherTransitionMode mode, TimeSpan?beginTime)
: base(element, storyboard)
{
_mode = mode;
_beginTime = beginTime;
}
