forms/source/component/EventThread.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_FORMS_SOURCE_COMPONENT_EVENTTHREAD_HXX
  21 #define INCLUDED_FORMS_SOURCE_COMPONENT_EVENTTHREAD_HXX
  22
  23 #include <sal/config.h>
  24
  25 #include <vector>
  26
  27 #include <com/sun/star/lang/XEventListener.hpp>
  28 #include <com/sun/star/lang/EventObject.hpp>
  29 #include <com/sun/star/lang/XComponent.hpp>
  30 #include <com/sun/star/awt/XControl.hpp>
  31 #include <osl/thread.hxx>
  32
  33
  34 #include <osl/conditn.hxx>
  35 #include <cppuhelper/component.hxx>
  36 #include <comphelper/uno3.hxx>
  37 using namespace comphelper;
  38
  39
  40 namespace frm
  41 {
  42
  43
  44 typedef ::osl::Thread   OComponentEventThread_TBASE;
  45 class OComponentEventThread
  46             :public OComponentEventThread_TBASE
  47             ,public ::com::sun::star::lang::XEventListener
  48             ,public ::cppu::OWeakObject
  49 {
  50     typedef std::vector<css::lang::EventObject*> ThreadEvents;
  51     typedef std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XAdapter> > ThreadObjects;
  52     typedef std::vector<sal_Bool> ThreadBools;
  53
  54     ::osl::Mutex                    m_aMutex;
  55     ::osl::Condition                m_aCond;            // Queue filled?
  56     ThreadEvents                    m_aEvents;          // EventQueue
  57     ThreadObjects                   m_aControls;        // Control for Submit
  58     ThreadBools                     m_aFlags;           // Flags for Submit/Reset
  59
  60     ::cppu::OComponentHelper*                   m_pCompImpl;    // Implementation of the Control
  61     ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent>   m_xComp; // ::com::sun::star::lang::XComponent of the Control
  62
  63 protected:
  64
  65     // XThread
  66     virtual void SAL_CALL run() SAL_OVERRIDE;
  67
  68     virtual void SAL_CALL onTerminated() SAL_OVERRIDE;
  69
  70     // The following method is called to duplicate the Event while respecting it's type.
  71     virtual ::com::sun::star::lang::EventObject* cloneEvent(const ::com::sun::star::lang::EventObject* _pEvt) const = 0;
  72
  73     // Edit an Event:
  74     // The mutex is not locked, but pCompImpl stays valid in any case.
  75     // pEvt can be a derrived type, namely the one that cloneEvent returns.
  76     // rControl is only set, if a Control has been passed in addEvent.
  77     // Because the Control is only held as a WeakRef, it can disappear in the meantime.
  78     virtual void processEvent( ::cppu::OComponentHelper* _pCompImpl,
  79                                const ::com::sun::star::lang::EventObject* _pEvt,
  80                                const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControl>& _rControl,
  81                                bool _bFlag) = 0;
  82
  83 public:
  84
  85     // UNO Anbindung
  86     DECLARE_UNO3_DEFAULTS(OComponentEventThread, OWeakObject)
  87     virtual ::com::sun::star::uno::Any SAL_CALL queryInterface(const ::com::sun::star::uno::Type& _rType) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  88
  89     OComponentEventThread(::cppu::OComponentHelper* pCompImpl);
  90     virtual ~OComponentEventThread();
  91
  92     void addEvent( const ::com::sun::star::lang::EventObject* _pEvt, bool bFlag = false );
  93     void addEvent( const ::com::sun::star::lang::EventObject* _pEvt, const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControl>& rControl,
  94                    bool bFlag = false );
  95
  96     // ::com::sun::star::lang::XEventListener
  97     virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& _rSource ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  98
  99     // Resolve ambiguity: both OWeakObject and OObject have these memory operators
 100     void * SAL_CALL operator new( size_t size ) throw() { return osl::Thread::operator new(size); }
 101     void SAL_CALL operator delete( void * p ) throw() { osl::Thread::operator delete(p); }
 102
 103 private:
 104     void    implStarted( );
 105     void    implTerminated( );
 106
 107     void    impl_clearEventQueue();
 108 };
 109
 110
 111 }   // namespace frm
 112
 113
 114 #endif // INCLUDED_FORMS_SOURCE_COMPONENT_EVENTTHREAD_HXX
 115
 116 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */