// Token: 0x06000CFA RID: 3322 RVA: 0x000300A4 File Offset: 0x0002E2A4
private static bool GoToStateInternal(FrameworkElement control, FrameworkElement stateGroupsRoot, VisualStateGroup group, VisualState state, bool useTransitions)
{
if (stateGroupsRoot == null)
{
throw new ArgumentNullException("stateGroupsRoot");
}
if (state == null)
{
throw new ArgumentNullException("state");
}
if (group == null)
{
throw new InvalidOperationException();
}
VisualState lastState = group.CurrentState;
if (lastState == state)
{
return(true);
}
VisualTransition transition = useTransitions ? VisualStateManager.GetTransition(stateGroupsRoot, group, lastState, state) : null;
Storyboard storyboard = VisualStateManager.GenerateDynamicTransitionAnimations(stateGroupsRoot, group, state, transition);
if (transition == null || (transition.GeneratedDuration == VisualStateManager.DurationZero && (transition.Storyboard == null || transition.Storyboard.Duration == VisualStateManager.DurationZero)))
{
if (transition != null && transition.Storyboard != null)
{
group.StartNewThenStopOld(stateGroupsRoot, new Storyboard[]
{
transition.Storyboard,
state.Storyboard
});
}
else
{
group.StartNewThenStopOld(stateGroupsRoot, new Storyboard[]
{
state.Storyboard
});
}
group.RaiseCurrentStateChanging(stateGroupsRoot, lastState, state, control);
group.RaiseCurrentStateChanged(stateGroupsRoot, lastState, state, control);
}
else
{
transition.DynamicStoryboardCompleted = false;
storyboard.Completed += delegate(object sender, EventArgs e)
{
if (transition.Storyboard == null || transition.ExplicitStoryboardCompleted)
{
if (VisualStateManager.ShouldRunStateStoryboard(control, stateGroupsRoot, state, group))
{
group.StartNewThenStopOld(stateGroupsRoot, new Storyboard[]
{
state.Storyboard
});
}
group.RaiseCurrentStateChanged(stateGroupsRoot, lastState, state, control);
}
transition.DynamicStoryboardCompleted = true;
};
if (transition.Storyboard != null && transition.ExplicitStoryboardCompleted)
{
EventHandler transitionCompleted = null;
transitionCompleted = delegate(object sender, EventArgs e)
{
if (transition.DynamicStoryboardCompleted)
{
if (VisualStateManager.ShouldRunStateStoryboard(control, stateGroupsRoot, state, group))
{
group.StartNewThenStopOld(stateGroupsRoot, new Storyboard[]
{
state.Storyboard
});
}
group.RaiseCurrentStateChanged(stateGroupsRoot, lastState, state, control);
}
transition.Storyboard.Completed -= transitionCompleted;
transition.ExplicitStoryboardCompleted = true;
};
transition.ExplicitStoryboardCompleted = false;
transition.Storyboard.Completed += transitionCompleted;
}
group.StartNewThenStopOld(stateGroupsRoot, new Storyboard[]
{
transition.Storyboard,
storyboard
});
group.RaiseCurrentStateChanging(stateGroupsRoot, lastState, state, control);
}
group.CurrentState = state;
return(true);
}
