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Diffstat (limited to 'forms/source/inc/listenercontainers.hxx')
-rw-r--r-- | forms/source/inc/listenercontainers.hxx | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/forms/source/inc/listenercontainers.hxx b/forms/source/inc/listenercontainers.hxx new file mode 100644 index 000000000000..d4f088d4e180 --- /dev/null +++ b/forms/source/inc/listenercontainers.hxx @@ -0,0 +1,140 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef FORMS_SOURCE_INC_LISTENERCONTAINERS_HXX +#define FORMS_SOURCE_INC_LISTENERCONTAINERS_HXX + +/** === begin UNO includes === **/ +#include <com/sun/star/form/XResetListener.hpp> +/** === end UNO includes === **/ +#include <comphelper/listenernotification.hxx> +#include <cppuhelper/weak.hxx> + +//........................................................................ +namespace frm +{ +//........................................................................ + + //===================================================================== + //= EventListeners + //===================================================================== + template < class LISTENER > + class EventListeners : public ::comphelper::OListenerContainerBase< LISTENER, ::com::sun::star::lang::EventObject > + { + public: + typedef LISTENER ListenerClass; + typedef ::com::sun::star::lang::EventObject EventClass; + typedef ::comphelper::OListenerContainerBase< ListenerClass, EventClass > + EventListeners_Base; + + private: + ::cppu::OWeakObject& m_rInstigator; + + protected: + ::cppu::OWeakObject& getInstigator() { return m_rInstigator; } + + protected: + inline EventListeners( ::cppu::OWeakObject& _rInstigator, ::osl::Mutex& _rMutex ) + :EventListeners_Base( _rMutex ) + ,m_rInstigator( _rInstigator ) + { + } + + // still waiting to be overwritten + virtual bool implTypedNotify( + const ::com::sun::star::uno::Reference< ListenerClass >& _rxListener, + const EventClass& _rEvent + ) SAL_THROW( ( ::com::sun::star::uno::Exception ) ) = 0; + + public: + inline bool notify() + { + ::com::sun::star::lang::EventObject aEvent( m_rInstigator ); + return EventListeners_Base::notify( aEvent ); + } + + inline void disposing() + { + ::com::sun::star::lang::EventObject aEvent( m_rInstigator ); + EventListeners_Base::disposing( aEvent ); + } + protected: + using EventListeners_Base::notify; + using EventListeners_Base::disposing; + }; + + //===================================================================== + //= ResetListeners + //===================================================================== + typedef EventListeners < ::com::sun::star::form::XResetListener + > ResetListeners_Base; + class ResetListeners : public ResetListeners_Base + { + private: + enum NotificationType + { + eApproval, + eFinal + }; + NotificationType m_eCurrentNotificationType; + + public: + inline ResetListeners( ::cppu::OWeakObject& _rInstigator, ::osl::Mutex& _rMutex ) + :ResetListeners_Base( _rInstigator, _rMutex ) + ,m_eCurrentNotificationType( eApproval ) + { + } + + /** see whether all our listeners approve the reset + */ + sal_Bool approveReset() + { + m_eCurrentNotificationType = eApproval; + return notify(); + } + + /** tell all our listeners that the reset happened + */ + void resetted() + { + m_eCurrentNotificationType = eFinal; + notify(); + } + + protected: + virtual bool implTypedNotify( + const ::com::sun::star::uno::Reference< ::com::sun::star::form::XResetListener >& _rxListener, + const ::com::sun::star::lang::EventObject& _rEvent + ) SAL_THROW( ( ::com::sun::star::uno::Exception ) ); + }; + +//........................................................................ +} // namespace frm +//........................................................................ + +#endif // FORMS_SOURCE_INC_LISTENERCONTAINERS_HXX + |