xref: /aoo42x/main/fpicker/source/win32/filepicker/asynceventnotifier.hxx (revision cdf0e10c)

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef _ASYNCEVENTNOTIFIER_HXX_
#define _ASYNCEVENTNOTIFIER_HXX_

//------------------------------------------------------------------------
// includes
//------------------------------------------------------------------------

#include <osl/mutex.hxx>
#include <osl/conditn.hxx>
#include <cppuhelper/interfacecontainer.h>

#if defined _MSC_VER
#pragma warning(push, 1)
#endif
#include <windows.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif

#include <list>
#include <utility>
#include "eventnotification.hxx"

//---------------------------------------------
//
//---------------------------------------------

class CAsyncEventNotifier
{
public:
    CAsyncEventNotifier(cppu::OBroadcastHelper& rBroadcastHelper);
    ~CAsyncEventNotifier();

	bool SAL_CALL startup(bool bCreateSuspended = true);
	void SAL_CALL shutdown();

    // notifications may be added the
    // the event queue but will only
    // be notified to the clients after
    // resume was called
    void suspend();

    // resume notifying events
    void resume();

	// this class is responsible for the memory management of
	// the CEventNotification instance
    void SAL_CALL notifyEvent(CEventNotification* EventNotification);

    void SAL_CALL addListener   (const ::com::sun::star::uno::Type&                                           aType    ,
                                 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xListener);
    void SAL_CALL removeListener(const ::com::sun::star::uno::Type&                                           aType    ,
                                 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& xListener);

private:
	size_t              SAL_CALL getEventListSize();
	void                SAL_CALL resetNotifyEvent();
	CEventNotification* SAL_CALL getNextEventRecord();
	void                SAL_CALL removeNextEventRecord();

    void SAL_CALL run( );

	static unsigned int WINAPI ThreadProc(LPVOID pParam);

private:
    std::list<CEventNotification*>  m_EventList;
    HANDLE							m_hThread;
	bool							m_bRun;
	unsigned						m_ThreadId;
    ::cppu::OBroadcastHelper&		m_rBroadcastHelper;
    HANDLE                          m_hEvents[2];
    HANDLE&                         m_NotifyEvent;
    HANDLE&                         m_ResumeNotifying;
    osl::Mutex						m_Mutex;

// prevent copy and assignment
private:
    CAsyncEventNotifier( const CAsyncEventNotifier& );
    CAsyncEventNotifier& operator=( const CAsyncEventNotifier& );
};

#endif