forms/source/component/EventThread.hxx

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  30
  31 #ifndef _FRM_EVENT_THREAD_HXX_
  32 #define _FRM_EVENT_THREAD_HXX_
  33
  34 #include <com/sun/star/lang/XEventListener.hpp>
  35 #include <com/sun/star/lang/EventObject.hpp>
  36 #include <com/sun/star/lang/XComponent.hpp>
  37 #include <com/sun/star/awt/XControl.hpp>
  38 #include <vos/thread.hxx>
  39
  40
  41 #include <osl/conditn.hxx>
  42 #include <cppuhelper/component.hxx>
  43 #include <comphelper/stl_types.hxx>
  44 #include <comphelper/uno3.hxx>
  45 using namespace comphelper;
  46
  47 //.........................................................................
  48 namespace frm
  49 {
  50 //.........................................................................
  51
  52 // ***************************************************************************************************
  53 // ***************************************************************************************************
  54
  55 typedef ::vos::OThread  OComponentEventThread_TBASE;
  56 class OComponentEventThread
  57             :public OComponentEventThread_TBASE
  58             ,public ::com::sun::star::lang::XEventListener
  59             ,public ::cppu::OWeakObject
  60 {
  61     DECLARE_STL_VECTOR(::com::sun::star::lang::EventObject*, ThreadEvents);
  62     DECLARE_STL_VECTOR(::com::sun::star::uno::Reference< ::com::sun::star::uno::XAdapter> , ThreadObjects);
  63     DECLARE_STL_VECTOR(sal_Bool,        ThreadBools);
  64
  65     ::osl::Mutex                    m_aMutex;
  66     ::osl::Condition                            m_aCond;                        // Queue gefuellt?
  67     ThreadEvents                                        m_aEvents;                      // Event-Queue
  68     ThreadObjects                                       m_aControls;            // Control fuer Submit
  69     ThreadBools                                         m_aFlags;                       // Flags fuer Submit/Reset
  70
  71     ::cppu::OComponentHelper*                                   m_pCompImpl;    // Implementierung des Controls
  72     ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent>       m_xComp;                // ::com::sun::star::lang::XComponent des Controls
  73
  74 protected:
  75
  76     // XThread
  77     virtual void SAL_CALL run();
  78
  79     virtual void SAL_CALL kill();
  80     virtual void SAL_CALL onTerminated();
  81
  82     // Die folgende Methode wird gerufen um das Event unter Beruecksichtigung
  83     // seines Typs zu duplizieren.
  84     virtual ::com::sun::star::lang::EventObject* cloneEvent(const ::com::sun::star::lang::EventObject* _pEvt) const = 0;
  85
  86     // Ein Event bearbeiten. Der Mutex ist dabei nicht gelockt, pCompImpl
  87     // bleibt aber in jedem Fall gueltig. Bei pEvt kann es sich auch um
  88     // einen abgeleiteten Typ handeln, naemlich den, den cloneEvent
  89     // zurueckgibt. rControl ist nur gesetzt, wenn beim addEvent ein
  90     // Control uebergeben wurde. Da das Control nur als WeakRef gehalten
  91     // wird kann es auch zwischenzeitlich verschwinden.
  92     virtual void processEvent( ::cppu::OComponentHelper* _pCompImpl,
  93                                const ::com::sun::star::lang::EventObject* _pEvt,
  94                                const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControl>& _rControl,
  95                                sal_Bool _bFlag) = 0;
  96
  97 public:
  98
  99     // UNO Anbindung
 100     DECLARE_UNO3_DEFAULTS(OComponentEventThread, OWeakObject);
 101     virtual ::com::sun::star::uno::Any SAL_CALL queryInterface(const ::com::sun::star::uno::Type& _rType) throw (::com::sun::star::uno::RuntimeException);
 102
 103     OComponentEventThread(::cppu::OComponentHelper* pCompImpl);
 104     virtual ~OComponentEventThread();
 105
 106     void addEvent( const ::com::sun::star::lang::EventObject* _pEvt, sal_Bool bFlag = sal_False );
 107     void addEvent( const ::com::sun::star::lang::EventObject* _pEvt, const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControl>& rControl,
 108                    sal_Bool bFlag = sal_False );
 109
 110     // ::com::sun::star::lang::XEventListener
 111     virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& _rSource ) throw (::com::sun::star::uno::RuntimeException);
 112
 113 /* resolve ambiguity : both OWeakObject and OObject have these memory operators */
 114     void * SAL_CALL operator new( size_t size ) throw() { return OThread::operator new(size); }
 115     void SAL_CALL operator delete( void * p ) throw() { OThread::operator delete(p); }
 116
 117 private:
 118     void        implStarted( );
 119     void        implTerminated( );
 120
 121     void    impl_clearEventQueue();
 122 };
 123
 124 //.........................................................................
 125 }       // namespace frm
 126 //.........................................................................
 127
 128 #endif // _FRM_EVENT_THREAD_HXX_
 129