Animation.cs
97 lines
| 2.5 KiB
| text/x-csharp
|
CSharpLexer
/ Implab.Fx / Animation.cs
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r3 | using System; | ||
| using System.Collections.Generic; | ||||
| using System.Linq; | ||||
| using System.Text; | ||||
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r4 | using System.Timers; | ||
| using System.ComponentModel; | ||||
| using System.Diagnostics; | ||||
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r3 | |||
| namespace Implab.Fx | ||||
| { | ||||
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r4 | public delegate void AnimationStep<T>(T target, int elapsed, int duration); | ||
| public class Animation<TArg> where TArg: class | ||||
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r3 | { | ||
| int m_duration; | ||||
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r4 | int m_delay; | ||
| int m_elapsed; | ||||
| int m_prevTicks; | ||||
| TArg m_arg; | ||||
| ISynchronizeInvoke m_syncronizationObject; | ||||
| public event AnimationStep<TArg> Step; | ||||
| Promise<TArg> m_promise; | ||||
| public Animation(TArg target, int duration, int delay) | ||||
| { | ||||
| if (duration <= 0) | ||||
| throw new ArgumentOutOfRangeException("duration"); | ||||
| if (delay <= 0) | ||||
| throw new ArgumentOutOfRangeException("delay"); | ||||
| m_arg = target; | ||||
| m_syncronizationObject = target as ISynchronizeInvoke; | ||||
| m_duration = duration; | ||||
| m_delay = delay; | ||||
| m_promise = new Promise<TArg>(); | ||||
| } | ||||
| public Animation(TArg target) | ||||
| : this(target, 500, 30) | ||||
| { | ||||
| } | ||||
| public TArg Traget | ||||
| { | ||||
| get { return m_arg; } | ||||
| } | ||||
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r4 | public Promise<TArg> Play() | ||
| { | ||||
| var timer = new Timer(m_delay); | ||||
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r6 | timer.AutoReset = false; | ||
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r4 | timer.SynchronizingObject = m_syncronizationObject; | ||
| timer.Elapsed += new ElapsedEventHandler(timer_Elapsed); | ||||
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r4 | m_prevTicks = Environment.TickCount; | ||
| timer.Start(); | ||||
| return m_promise; | ||||
| } | ||||
| void timer_Elapsed(object sender, ElapsedEventArgs args) | ||||
| { | ||||
| var timer = sender as Timer; | ||||
| var dt = Environment.TickCount - m_prevTicks; | ||||
| m_prevTicks = Environment.TickCount; | ||||
| m_elapsed += dt; | ||||
| if (m_elapsed > m_duration) | ||||
| m_elapsed = m_duration; | ||||
| try | ||||
| { | ||||
| var handler = Step; | ||||
| if (handler != null) | ||||
| handler(m_arg, m_elapsed, m_duration); | ||||
| } | ||||
| catch (Exception e) | ||||
| { | ||||
| Trace.TraceError(e.ToString()); | ||||
| } | ||||
| if (m_elapsed < m_duration) | ||||
| timer.Start(); | ||||
| else | ||||
| { | ||||
| timer.Dispose(); | ||||
| m_promise.Resolve(m_arg); | ||||
| } | ||||
| } | ||||
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r3 | } | ||
| } | ||||