/// <summary>
/// Start first task from queue, remove it from queue and raise FadeStart event
/// </summary>
protected void StartTask()
{
if (currentTask == null && tasks.Count > 0)
{
currentTask = tasks.Dequeue();
if (currentTask.action != null)
{
currentTask.action.Completed = false;
}
if (currentTask.pAction != null)
{
currentTask.pAction.Completed = false;
}
OnFadeStart(new FadeEventArgs()
{
Direction = currentTask.State == FadeState.In ? FadeDirection.In : FadeDirection.Out
});
}
}
/// <summary>
/// Called when fading task finished, call task's action and raise FadeFinish event
/// </summary>
protected void FinishTask()
{
if (currentTask != null)
{
if (currentTask.action == null & currentTask.pAction == null)
{
OnFadeFinish(new FadeEventArgs()
{
Direction = currentTask.State == FadeState.In ? FadeDirection.In : FadeDirection.Out
});
currentTask = null;
}
else
{
if (currentTask.action != null)
{
if (currentTask.action.Completed)
{
OnFadeFinish(new FadeEventArgs()
{
Direction = currentTask.State == FadeState.In ? FadeDirection.In : FadeDirection.Out
});
currentTask = null;
}
}
else if (currentTask.pAction != null)
{
if (currentTask.pAction.Completed)
{
OnFadeFinish(new FadeEventArgs()
{
Direction = currentTask.State == FadeState.In ? FadeDirection.In : FadeDirection.Out
});
currentTask = null;
}
}
}
}
}
/// <summary>
/// Add fading tast to the queue
/// </summary>
/// <param name="task"></param>
public void AddTask(FaderTask task)
{
tasks.Enqueue(task);
}
