fpicker/source/win32/filepicker/asynceventnotifier.hxx

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  30
  31 #ifndef _ASYNCEVENTNOTIFIER_HXX_
  32 #define _ASYNCEVENTNOTIFIER_HXX_
  33
  34 //------------------------------------------------------------------------
  35 // includes
  36 //------------------------------------------------------------------------
  37
  38 #include <osl/mutex.hxx>
  39 #include <osl/conditn.hxx>
  40 #include <cppuhelper/interfacecontainer.h>
  41
  42 #if defined _MSC_VER
  43 #pragma warning(push, 1)
  44 #endif
  45 #include <windows.h>
  46 #if defined _MSC_VER
  47 #pragma warning(pop)
  48 #endif
  49
  50 #include <list>
  51 #include <utility>
  52 #include "eventnotification.hxx"
  53
  54 //---------------------------------------------
  55 //
  56 //---------------------------------------------
  57
  58 class CAsyncEventNotifier
  59 {
  60 public:
  61     CAsyncEventNotifier(cppu::OBroadcastHelper& rBroadcastHelper);
  62     ~CAsyncEventNotifier();
  63
  64     bool SAL_CALL startup(bool bCreateSuspended = true);
  65     void SAL_CALL shutdown();
  66
  67     // notifications may be added the
  68     // the event queue but will only
  69     // be notified to the clients after
  70     // resume was called
  71     void suspend();
  72
  73     // resume notifying events
  74     void resume();
  75
  76     // this class is responsible for the memory management of
  77     // the CEventNotification instance
  78     void SAL_CALL notifyEvent(CEventNotification* EventNotification);
  79
  80     void SAL_CALL addListener   (const ::com::sun::star::uno::Type&                                           aType    ,
  81                                  const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xListener);
  82     void SAL_CALL removeListener(const ::com::sun::star::uno::Type&                                           aType    ,
  83                                  const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xListener);
  84
  85 private:
  86     size_t              SAL_CALL getEventListSize();
  87     void                SAL_CALL resetNotifyEvent();
  88     CEventNotification* SAL_CALL getNextEventRecord();
  89     void                SAL_CALL removeNextEventRecord();
  90
  91     void SAL_CALL run( );
  92
  93     static unsigned int WINAPI ThreadProc(LPVOID pParam);
  94
  95 private:
  96     std::list<CEventNotification*>  m_EventList;
  97     HANDLE                                                      m_hThread;
  98     bool                                                        m_bRun;
  99     unsigned                                            m_ThreadId;
 100     ::cppu::OBroadcastHelper&           m_rBroadcastHelper;
 101     HANDLE                          m_hEvents[2];
 102     HANDLE&                         m_NotifyEvent;
 103     HANDLE&                         m_ResumeNotifying;
 104     osl::Mutex                                          m_Mutex;
 105
 106 // prevent copy and assignment
 107 private:
 108     CAsyncEventNotifier( const CAsyncEventNotifier& );
 109     CAsyncEventNotifier& operator=( const CAsyncEventNotifier& );
 110 };
 111
 112 #endif