fpicker/source/win32/filepicker/asynceventnotifier.hxx

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  27
  28 #ifndef _ASYNCEVENTNOTIFIER_HXX_
  29 #define _ASYNCEVENTNOTIFIER_HXX_
  30
  31 //------------------------------------------------------------------------
  32 // includes
  33 //------------------------------------------------------------------------
  34
  35 #include <osl/mutex.hxx>
  36 #include <osl/conditn.hxx>
  37 #include <cppuhelper/interfacecontainer.h>
  38
  39 #if defined _MSC_VER
  40 #pragma warning(push, 1)
  41 #endif
  42 #include <windows.h>
  43 #if defined _MSC_VER
  44 #pragma warning(pop)
  45 #endif
  46
  47 #include <list>
  48 #include <utility>
  49 #include "eventnotification.hxx"
  50
  51 //---------------------------------------------
  52 //
  53 //---------------------------------------------
  54
  55 class CAsyncEventNotifier
  56 {
  57 public:
  58     CAsyncEventNotifier(cppu::OBroadcastHelper& rBroadcastHelper);
  59     ~CAsyncEventNotifier();
  60
  61     bool SAL_CALL startup(bool bCreateSuspended = true);
  62     void SAL_CALL shutdown();
  63
  64     // notifications may be added the
  65     // the event queue but will only
  66     // be notified to the clients after
  67     // resume was called
  68     void suspend();
  69
  70     // resume notifying events
  71     void resume();
  72
  73     // this class is responsible for the memory management of
  74     // the CEventNotification instance
  75     void SAL_CALL notifyEvent(CEventNotification* EventNotification);
  76
  77     void SAL_CALL addListener   (const ::com::sun::star::uno::Type&                                           aType    ,
  78                                  const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xListener);
  79     void SAL_CALL removeListener(const ::com::sun::star::uno::Type&                                           aType    ,
  80                                  const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xListener);
  81
  82 private:
  83     size_t              SAL_CALL getEventListSize();
  84     void                SAL_CALL resetNotifyEvent();
  85     CEventNotification* SAL_CALL getNextEventRecord();
  86     void                SAL_CALL removeNextEventRecord();
  87
  88     void SAL_CALL run( );
  89
  90     static unsigned int WINAPI ThreadProc(LPVOID pParam);
  91
  92 private:
  93     std::list<CEventNotification*>  m_EventList;
  94     HANDLE                          m_hThread;
  95     bool                            m_bRun;
  96     unsigned                        m_ThreadId;
  97     ::cppu::OBroadcastHelper&       m_rBroadcastHelper;
  98     HANDLE                          m_hEvents[2];
  99     HANDLE&                         m_NotifyEvent;
 100     HANDLE&                         m_ResumeNotifying;
 101     osl::Mutex                      m_Mutex;
 102
 103 // prevent copy and assignment
 104 private:
 105     CAsyncEventNotifier( const CAsyncEventNotifier& );
 106     CAsyncEventNotifier& operator=( const CAsyncEventNotifier& );
 107 };
 108
 109 #endif