75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved
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#pragma once
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#include "UIAnimationHelper.h"
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// Event handler object for timer events
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class CTimerEventHandler :
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public CUIAnimationTimerEventHandlerBase<CTimerEventHandler>
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{
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public:
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static HRESULT
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CreateInstance
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(
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CMainWindow *pMainWindow,
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IUIAnimationTimerEventHandler **ppTimerEventHandler
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) throw()
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{
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CTimerEventHandler *pTimerEventHandler;
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HRESULT hr = CUIAnimationCallbackBase::CreateInstance(
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ppTimerEventHandler,
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&pTimerEventHandler
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);
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if (SUCCEEDED(hr))
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{
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pTimerEventHandler->m_pMainWindow = pMainWindow;
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}
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return hr;
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}
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// IUIAnimationTimerEventHandler
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IFACEMETHODIMP
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OnPreUpdate()
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{
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return S_OK;
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}
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IFACEMETHODIMP
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OnPostUpdate()
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{
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HRESULT hr = m_pMainWindow->Invalidate();
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return hr;
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}
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IFACEMETHODIMP
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OnRenderingTooSlow
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(
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UINT32 /* fps */
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)
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{
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return S_OK;
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}
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protected:
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CTimerEventHandler()
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: m_pMainWindow(NULL)
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{
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}
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CMainWindow *m_pMainWindow;
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};
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