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Diffstat (limited to 'tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnEvent.h')
| -rw-r--r-- | tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnEvent.h | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnEvent.h b/tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnEvent.h new file mode 100644 index 00000000..f915b6aa --- /dev/null +++ b/tests/manual/kinectsurface/QtKinectWrapper/OpenNI/Include/XnEvent.h @@ -0,0 +1,301 @@ +/**************************************************************************** +* * +* OpenNI 1.x Alpha * +* Copyright (C) 2011 PrimeSense Ltd. * +* * +* This file is part of OpenNI. * +* * +* OpenNI is free software: you can redistribute it and/or modify * +* it under the terms of the GNU Lesser General Public License as published * +* by the Free Software Foundation, either version 3 of the License, or * +* (at your option) any later version. * +* * +* OpenNI is distributed in the hope that it will be useful, * +* but WITHOUT ANY WARRANTY; without even the implied warranty of * +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * +* GNU Lesser General Public License for more details. * +* * +* You should have received a copy of the GNU Lesser General Public License * +* along with OpenNI. If not, see <http://www.gnu.org/licenses/>. * +* * +****************************************************************************/ +#ifndef __XN_EVENT_H__ +#define __XN_EVENT_H__ + +//--------------------------------------------------------------------------- +// Includes +//--------------------------------------------------------------------------- +#include "XnCallback.h" +#include "XnList.h" +#include "XnTypes.h" +#include "XnOSCpp.h" + +//--------------------------------------------------------------------------- +// Types +//--------------------------------------------------------------------------- +class XnEventInterface +{ +public: + XnEventInterface() {} + virtual ~XnEventInterface() {} + + typedef XnStatus (XN_CALLBACK_TYPE* HandlerPtr)(void* pCookie); + + virtual XnStatus Register(HandlerPtr pFunc, void* pCookie, XnCallbackHandle* pHandle = NULL) = 0; + virtual XnStatus Unregister(XnCallbackHandle handle) = 0; +}; + +class XnEvent : public XnEventInterface +{ +public: + XnEvent() : m_hLock(0) + { + xnOSCreateCriticalSection(&m_hLock); + } + + virtual ~XnEvent() + { + Clear(); + xnOSCloseCriticalSection(&m_hLock); + } + + XnStatus Register(HandlerPtr pFunc, void* pCookie, XnCallbackHandle* pHandle) + { + XnStatus nRetVal = XN_STATUS_OK; + + XN_VALIDATE_INPUT_PTR(pFunc); + + XnCallback* pCallback = NULL; + XN_VALIDATE_NEW(pCallback, XnCallback, (XnFuncPtr)pFunc, pCookie); + + // always add to list of added (actual list will be updated in Raise method, to allow registering + // from a callback). + { + XnAutoCSLocker lock(m_hLock); + nRetVal = m_ToBeAdded.AddLast(pCallback); + } + + if (nRetVal != XN_STATUS_OK) + { + XN_DELETE(pCallback); + return (nRetVal); + } + + // return handle + if (pHandle != NULL) + { + *pHandle = pCallback; + } + + return XN_STATUS_OK; + } + + XnStatus Unregister(XnCallbackHandle handle) + { + XnStatus nRetVal = XN_STATUS_OK; + + XnCallback* pObject = (XnCallback*)handle; + + // add it to a temp list, to allow unregistering from a callback (actual list will be updated in raise + // function). + { + XnAutoCSLocker lock(m_hLock); + + // try to remove it from the ToBeAdded list. + if (!RemoveCallback(m_ToBeAdded, pObject)) + { + // it's not in this list, so it's probably in the main list + nRetVal = m_ToBeRemoved.AddLast(pObject); + } + } + XN_IS_STATUS_OK(nRetVal); + + return XN_STATUS_OK; + } + + XnStatus Clear() + { + ApplyListChanges(); + + for (XnCallbackPtrList::ConstIterator it = m_Handlers.begin(); it != m_Handlers.end(); ++it) + { + XnCallback* pCallback = *it; + XN_DELETE(pCallback); + } + + m_Handlers.Clear(); + m_ToBeRemoved.Clear(); + m_ToBeAdded.Clear(); + return (XN_STATUS_OK); + } + +protected: + XnStatus ApplyListChanges() + { + // first add all + for (XnCallbackPtrList::ConstIterator it = m_ToBeAdded.begin(); it != m_ToBeAdded.end(); ++it) + { + m_Handlers.AddLast(*it); + } + m_ToBeAdded.Clear(); + + // and now remove + for (XnCallbackPtrList::ConstIterator it = m_ToBeRemoved.begin(); it != m_ToBeRemoved.end(); ++it) + { + XnCallback* pCallback = *it; + RemoveCallback(m_Handlers, pCallback); + } + m_ToBeRemoved.Clear(); + + return (XN_STATUS_OK); + } + +#if (XN_PLATFORM == XN_PLATFORM_WIN32) +#pragma warning (push) +#pragma warning (disable: 4127) +#endif + + XN_DECLARE_LIST(XnCallback*, XnCallbackPtrList) + +#if (XN_PLATFORM == XN_PLATFORM_WIN32) +#pragma warning (pop) +#endif + + XN_CRITICAL_SECTION_HANDLE m_hLock; + XnCallbackPtrList m_Handlers; + XnCallbackPtrList m_ToBeAdded; + XnCallbackPtrList m_ToBeRemoved; + +private: + XnBool RemoveCallback(XnCallbackPtrList& list, XnCallback* pCallback) + { + XnCallbackPtrList::Iterator handlerIt = list.Find(pCallback); + if (handlerIt != list.end()) + { + list.Remove(handlerIt); + XN_DELETE(pCallback); + return TRUE; + } + + return FALSE; + } +}; + +#define _XN_RAISE_WITH_RET_CODE(args) \ + { \ + XnStatus nRetVal = pFunc(args pCallback->pCookie); \ + if (nRetVal != XN_STATUS_OK) \ + { \ + XnEvent::ApplyListChanges(); \ + return (nRetVal); \ + } \ + } + +#define _XN_RAISE_NO_RET_CODE(args) \ + pFunc(args pCallback->pCookie); + +/** +* Declares a class inheriting from XnEvent, that can be used as an event with specific signature. +* It is highly recommended not to use this macro directly. +*/ +#define _XN_DECLARE_EVENT_CLASS(_class, _interface, _retVal, _raise, _signature, _raise_sign) \ + XN_PRAGMA_START_DISABLED_WARNING_SECTION(XN_HIDES_PARENT_METHOD_WARNING_ID) \ + class _interface : protected XnEvent \ + { \ + public: \ + typedef _retVal (XN_CALLBACK_TYPE* HandlerPtr)(_signature); \ + virtual XnStatus Register(HandlerPtr pFunc, void* pCookie, XnCallbackHandle* pHandle = NULL) = 0; \ + virtual XnStatus Unregister(XnCallbackHandle handle) = 0; \ + }; \ + class _class : public _interface \ + { \ + public: \ + XnStatus Register(HandlerPtr pFunc, void* pCookie, XnCallbackHandle* pHandle = NULL) \ + { \ + return XnEvent::Register((XnEvent::HandlerPtr)pFunc, pCookie, pHandle); \ + } \ + XnStatus Unregister(XnCallbackHandle handle) \ + { \ + return XnEvent::Unregister(handle); \ + } \ + XnStatus Raise(_raise_sign) \ + { \ + XnAutoCSLocker lock(m_hLock); \ + XnEvent::ApplyListChanges(); \ + XnEvent::XnCallbackPtrList::Iterator it = XnEvent::m_Handlers.begin(); \ + for (; it != XnEvent::m_Handlers.end(); ++it) \ + { \ + XnCallback* pCallback = *it; \ + HandlerPtr pFunc = (HandlerPtr)pCallback->pFuncPtr; \ + _raise \ + } \ + XnEvent::ApplyListChanges(); \ + return (XN_STATUS_OK); \ + } \ + XnStatus Clear() { return XnEvent::Clear(); } \ + }; \ + XN_PRAGMA_STOP_DISABLED_WARNING_SECTION + + +#define _XN_SIGNATURE_0ARG() +#define _XN_FULL_SIGNATURE_0ARG() void* pCookie +#define _XN_ARGS_0ARG() + +#define _XN_SIGNATURE_1ARG(_type1, _name1) _type1 _name1 +#define _XN_FULL_SIGNATURE_1ARG(_type1, _name1) _type1 _name1, void* pCookie +#define _XN_ARGS_1ARG(_name1) _name1, + +#define _XN_SIGNATURE_2ARG(_type1, _name1, _type2, _name2) _type1 _name1, _type2 _name2 +#define _XN_FULL_SIGNATURE_2ARG(_type1, _name1, _type2, _name2) _type1 _name1, _type2 _name2, void* pCookie +#define _XN_ARGS_2ARG(_name1, _name2) _name1, _name2, + +#define _XN_SIGNATURE_3ARG(_type1, _name1, _type2, _name2, _type3, _name3) _type1 _name1, _type2 _name2, _type3 _name3 +#define _XN_FULL_SIGNATURE_3ARG(_type1, _name1, _type2, _name2, _type3, _name3) _type1 _name1, _type2 _name2, _type3 _name3, void* pCookie +#define _XN_ARGS_3ARG(_name1, _name2, _name3) _name1, _name2, _name3, + +#define _XN_SIGNATURE_4ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4) _type1 _name1, _type2 _name2, _type3 _name3, _type4 _name4 +#define _XN_FULL_SIGNATURE_4ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4) _type1 _name1, _type2 _name2, _type3 _name3, _type4 _name4, void* pCookie +#define _XN_ARGS_4ARG(_name1, _name2, _name3, _name4) _name1, _name2, _name3, _name4, + +#define _XN_SIGNATURE_5ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4, _type5, _name5) _type1 _name1, _type2 _name2, _type3 _name3, _type4 _name4, _type5 _name5 +#define _XN_FULL_SIGNATURE_5ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4, _type5, _name5) _type1 _name1, _type2 _name2, _type3 _name3, _type4 _name4, _type5 _name5, void* pCookie +#define _XN_ARGS_5ARG(_name1, _name2, _name3, _name4, _name5) _name1, _name2, _name3, _name4, _name5, + +/** Declares an event class */ +#define XN_DECLARE_EVENT_0ARG(_class, _interface) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, void, _XN_RAISE_NO_RET_CODE(_XN_ARGS_0ARG()), _XN_FULL_SIGNATURE_0ARG(), _XN_SIGNATURE_0ARG()) + +#define XN_DECLARE_EVENT_0ARG_RETVAL(_class, _interface) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, XnStatus, _XN_RAISE_WITH_RET_CODE(_XN_ARGS_0ARG()), _XN_FULL_SIGNATURE_0ARG(), _XN_SIGNATURE_0ARG()) + +#define XN_DECLARE_EVENT_1ARG(_class, _interface, _type1, _name1) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, void, _XN_RAISE_NO_RET_CODE(_XN_ARGS_1ARG(_name1)), _XN_FULL_SIGNATURE_1ARG(_type1, _name1), _XN_SIGNATURE_1ARG(_type1, _name1)) + +#define XN_DECLARE_EVENT_1ARG_RETVAL(_class, _interface, _type1, _name1) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, XnStatus, _XN_RAISE_WITH_RET_CODE(_XN_ARGS_1ARG(_name1)), _XN_FULL_SIGNATURE_1ARG(_type1, _name1), _XN_SIGNATURE_1ARG(_type1, _name1)) + +#define XN_DECLARE_EVENT_2ARG(_class, _interface, _type1, _name1, _type2, _name2) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, void, _XN_RAISE_NO_RET_CODE(_XN_ARGS_2ARG(_name1, _name2)), _XN_FULL_SIGNATURE_2ARG(_type1, _name1, _type2, _name2), _XN_SIGNATURE_2ARG(_type1, _name1, _type2, _name2)) + +#define XN_DECLARE_EVENT_2ARG_RETVAL(_class, _interface, _type1, _name1, _type2, _name2) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, XnStatus, _XN_RAISE_WITH_RET_CODE(_XN_ARGS_2ARG(_name1, _name2)), _XN_FULL_SIGNATURE_2ARG(_type1, _name1, _type2, _name2), _XN_SIGNATURE_2ARG(_type1, _name1, _type2, _name2)) + +#define XN_DECLARE_EVENT_3ARG(_class, _interface, _type1, _name1, _type2, _name2, _type3, _name3) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, void, _XN_RAISE_NO_RET_CODE(_XN_ARGS_3ARG(_name1, _name2, _name3)), _XN_FULL_SIGNATURE_3ARG(_type1, _name1, _type2, _name2, _type3, _name3), _XN_SIGNATURE_3ARG(_type1, _name1, _type2, _name2, _type3, _name3)) + +#define XN_DECLARE_EVENT_3ARG_RETVAL(_class, _interface, _type1, _name1, _type2, _name2, _type3, _name3) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, XnStatus, _XN_RAISE_WITH_RET_CODE(_XN_ARGS_3ARG(_name1, _name2, _name3)), _XN_FULL_SIGNATURE_3ARG(_type1, _name1, _type2, _name2, _type3, _name3), _XN_SIGNATURE_3ARG(_type1, _name1, _type2, _name2, _type3, _name3)) + +#define XN_DECLARE_EVENT_4ARG(_class, _interface, _type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, void, _XN_RAISE_NO_RET_CODE(_XN_ARGS_4ARG(_name1, _name2, _name3, _name4)), _XN_FULL_SIGNATURE_4ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4), _XN_SIGNATURE_4ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4)) + +#define XN_DECLARE_EVENT_4ARG_RETVAL(_class, _interface, _type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, XnStatus, _XN_RAISE_WITH_RET_CODE(_XN_ARGS_4ARG(_name1, _name2, _name3, _name4)), _XN_FULL_SIGNATURE_4ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4), _XN_SIGNATURE_4ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4)) + +#define XN_DECLARE_EVENT_5ARG(_class, _interface, _type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4, _type5, _name5) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, void, _XN_RAISE_NO_RET_CODE(_XN_ARGS_5ARG(_name1, _name2, _name3, _name4, _name5)), _XN_FULL_SIGNATURE_5ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4, _type5, _name5), _XN_SIGNATURE_5ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4, _type5, _name5)) + +#define XN_DECLARE_EVENT_5ARG_RETVAL(_class, _interface, _type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4, _type5, _name5) \ + _XN_DECLARE_EVENT_CLASS(_class, _interface, XnStatus, _XN_RAISE_WITH_RET_CODE(_XN_ARGS_5ARG(_name1, _name2, _name3, _name4, _name5)), _XN_FULL_SIGNATURE_5ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4, _type5, _name5), _XN_SIGNATURE_5ARG(_type1, _name1, _type2, _name2, _type3, _name3, _type4, _name4, _type5, _name5)) + +#endif //__XN_EVENT_H__ |