initial checkin - UNO-to-nonUNO bridge for (load)listeners

1 files changed, 239 insertions, 0 deletions

diff --git a/extensions/source/bibliography/loadlisteneradapter.hxx b/extensions/source/bibliography/loadlisteneradapter.hxx
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+/*************************************************************************
+ *
+ *  $RCSfile: loadlisteneradapter.hxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: fs $ $Date: 2001-10-22 07:32:20 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc..
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef EXTENSIONS_BIB_LOADLISTENERADAPTER_HXX
+#define EXTENSIONS_BIB_LOADLISTENERADAPTER_HXX
+
+#ifndef _OSL_MUTEX_HXX_
+#include <osl/mutex.hxx>
+#endif
+
+#ifndef _COM_SUN_STAR_LANG_XCOMPONENT_HPP_
+#include <com/sun/star/lang/XComponent.hpp>
+#endif
+#ifndef _CPPUHELPER_IMPLBASE1_HXX_
+#include <cppuhelper/implbase1.hxx>
+#endif
+
+#ifndef _COM_SUN_STAR_FORM_XLOADABLE_HPP_
+#include <com/sun/star/form/XLoadable.hpp>
+#endif
+
+//.........................................................................
+namespace bib
+{
+//.........................................................................
+
+    //=====================================================================
+    //= OComponentListener
+    //=====================================================================
+    class OComponentListener
+    {
+        friend class OComponentAdapterBase;
+
+    private:
+        OComponentAdapterBase*  m_pAdapter;
+        ::osl::Mutex&           m_rMutex;
+
+    protected:
+        OComponentListener( ::osl::Mutex& _rMutex )
+            :m_rMutex( _rMutex )
+            ,m_pAdapter( NULL )
+        {
+        }
+
+        virtual ~OComponentListener();
+
+        // XEventListener equivalents
+        virtual void _disposing( const ::com::sun::star::lang::EventObject& _rSource ) throw( ::com::sun::star::uno::RuntimeException );
+
+    protected:
+        void setAdapter( OComponentAdapterBase* _pAdapter );
+    };
+
+    //=====================================================================
+    //= OComponentAdapterBase
+    //=====================================================================
+    class OComponentAdapterBase
+    {
+        friend class OComponentListener;
+
+    private:
+        ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >
+                                            m_xComponent;
+        OComponentListener*                 m_pListener;
+        sal_Int32                           m_nLockCount;
+        sal_Bool                            m_bListening    : 1;
+        sal_Bool                            m_bAutoRelease  : 1;
+
+        virtual ~OComponentAdapterBase();
+
+        // impl method for dispose - virtual, 'cause you at least need to remove the listener from the broadcaster
+        virtual void disposing() = 0;
+
+    protected:
+        // attribute access for derivees
+        const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >&
+                                getComponent() const    { return m_xComponent; }
+        OComponentListener*     getListener()           { return m_pListener; }
+
+        // to be called by derivees which started listening at the component
+        virtual void    startComponentListening() = 0;
+
+    public:
+        OComponentAdapterBase(
+            const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >& _rxComp,
+            sal_Bool _bAutoRelease = sal_True
+        );
+
+        // late construction
+        // can be called from within you ctor, to have you're object fully initialized at the moment of
+        // the call (which would not be the case when calling this ctor)
+        void Init( OComponentListener* _pListener );
+
+    // base for ref-counting, implemented by OComponentAdapter
+        virtual void SAL_CALL acquire(  ) throw () = 0;
+        virtual void SAL_CALL release(  ) throw () = 0;
+
+    // helper
+        /// incremental lock
+        void        lock();
+        /// incremental unlock
+        void        unlock();
+        /// get the lock count
+        sal_Int32   locked() const { return m_nLockCount; }
+
+        /// dispose the object - stop listening and such
+        void dispose();
+
+    protected:
+    // XEventListener
+        virtual void SAL_CALL disposing( const  ::com::sun::star::lang::EventObject& Source ) throw( ::com::sun::star::uno::RuntimeException);
+    };
+
+    //=====================================================================
+    //= OLoadListener
+    //=====================================================================
+    class OLoadListener : public OComponentListener
+    {
+        friend class OLoadListenerAdapter;
+
+    protected:
+        OLoadListener( ::osl::Mutex& _rMutex ) : OComponentListener( _rMutex ) { }
+
+    // XLoadListener equivalents
+        virtual void _loaded( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
+        virtual void _unloading( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
+        virtual void _unloaded( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
+        virtual void _reloading( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
+        virtual void _reloaded( const ::com::sun::star::lang::EventObject& aEvent ) = 0;
+    };
+
+    //=====================================================================
+    //= OLoadListenerAdapter
+    //=====================================================================
+    typedef ::cppu::WeakImplHelper1< ::com::sun::star::form::XLoadListener >    OLoadListenerAdapter_Base;
+    class OLoadListenerAdapter
+        :public OLoadListenerAdapter_Base
+        ,public OComponentAdapterBase
+    {
+    protected:
+        OLoadListener*      getLoadListener( )  { return static_cast< OLoadListener* >( getListener() ); }
+
+    protected:
+        virtual void    disposing();
+        virtual void    startComponentListening();
+
+    public:
+        OLoadListenerAdapter(
+            const ::com::sun::star::uno::Reference< ::com::sun::star::form::XLoadable >& _rxLoadable,
+            sal_Bool _bAutoRelease = sal_True
+        );
+
+
+        virtual void SAL_CALL acquire(  ) throw ();
+        virtual void SAL_CALL release(  ) throw ();
+
+    protected:
+    // XEventListener
+        virtual void SAL_CALL disposing( const  ::com::sun::star::lang::EventObject& _rSource ) throw( ::com::sun::star::uno::RuntimeException);
+
+    // XLoadListener
+        virtual void SAL_CALL loaded( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL unloading( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL unloaded( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL reloading( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL reloaded( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
+    };
+
+//.........................................................................
+}   // namespace bib
+//.........................................................................
+
+#endif // EXTENSIONS_BIB_LOADLISTENERADAPTER_HXX
+
+/*************************************************************************
+ * history:
+ *  $Log: not supported by cvs2svn $
+ *
+ *  Revision 1.0 17.10.01 12:15:24  fs
+ ************************************************************************/
+