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Diffstat (limited to 'chart2/source/inc/LifeTime.hxx')
| -rw-r--r-- | chart2/source/inc/LifeTime.hxx | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/chart2/source/inc/LifeTime.hxx b/chart2/source/inc/LifeTime.hxx deleted file mode 100644 index f7f502c0b..000000000 --- a/chart2/source/inc/LifeTime.hxx +++ /dev/null @@ -1,255 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * 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 _LIFETIME_HXX -#define _LIFETIME_HXX - -#include <osl/mutex.hxx> -#include <osl/conditn.hxx> -#include <com/sun/star/uno/Exception.hdl> -#include <cppuhelper/interfacecontainer.hxx> -#include <com/sun/star/util/XCloseListener.hpp> -#include <com/sun/star/util/XCloseable.hpp> -#include <com/sun/star/lang/XComponent.hpp> -#include <cppuhelper/weakref.hxx> -#include "charttoolsdllapi.hxx" - -namespace apphelper -{ - -class LifeTimeGuard; -class LifeTimeManager -{ -friend class LifeTimeGuard; -protected: - mutable ::osl::Mutex m_aAccessMutex; -public: -OOO_DLLPUBLIC_CHARTTOOLS LifeTimeManager( ::com::sun::star::lang::XComponent* pComponent, sal_Bool bLongLastingCallsCancelable = sal_False ); -OOO_DLLPUBLIC_CHARTTOOLS virtual ~LifeTimeManager(); - -OOO_DLLPUBLIC_CHARTTOOLS bool impl_isDisposed( bool bAssert=true ); -OOO_DLLPUBLIC_CHARTTOOLS sal_Bool dispose() throw(::com::sun::star::uno::RuntimeException); - -public: - ::cppu::OMultiTypeInterfaceContainerHelper m_aListenerContainer; - -protected: - virtual sal_Bool impl_canStartApiCall(); - virtual void impl_apiCallCountReachedNull(){} - - void impl_registerApiCall(sal_Bool bLongLastingCall); - void impl_unregisterApiCall(sal_Bool bLongLastingCall); - - void impl_init(); - -protected: - ::com::sun::star::lang::XComponent* m_pComponent; - - ::osl::Condition m_aNoAccessCountCondition; - sal_Int32 volatile m_nAccessCount; - - sal_Bool volatile m_bDisposed; - sal_Bool volatile m_bInDispose; - - sal_Bool m_bLongLastingCallsCancelable; - ::osl::Condition m_aNoLongLastingCallCountCondition; - sal_Int32 volatile m_nLongLastingCallCount; -}; - -class CloseableLifeTimeManager : public LifeTimeManager -{ -protected: - ::com::sun::star::util::XCloseable* m_pCloseable; - - ::osl::Condition m_aEndTryClosingCondition; - sal_Bool volatile m_bClosed; - sal_Bool volatile m_bInTryClose; - //the ownership between model and controller is not clear at first - //each controller might consider him as owner of the model first - //at start the model is not considered as owner of itself - sal_Bool volatile m_bOwnership; - //with a XCloseable::close call and during XCloseListener::queryClosing - //the ownership can be regulated more explicit, - //if so the ownership is considered to be well known - sal_Bool volatile m_bOwnershipIsWellKnown; - -public: -OOO_DLLPUBLIC_CHARTTOOLS CloseableLifeTimeManager( ::com::sun::star::util::XCloseable* pCloseable - , ::com::sun::star::lang::XComponent* pComponent - , sal_Bool bLongLastingCallsCancelable = sal_False ); -OOO_DLLPUBLIC_CHARTTOOLS virtual ~CloseableLifeTimeManager(); - -OOO_DLLPUBLIC_CHARTTOOLS bool impl_isDisposedOrClosed( bool bAssert=true ); -OOO_DLLPUBLIC_CHARTTOOLS sal_Bool g_close_startTryClose(sal_Bool bDeliverOwnership) - throw ( ::com::sun::star::uno::Exception ); -OOO_DLLPUBLIC_CHARTTOOLS sal_Bool g_close_isNeedToCancelLongLastingCalls( sal_Bool bDeliverOwnership, ::com::sun::star::util::CloseVetoException& ex ) - throw ( ::com::sun::star::util::CloseVetoException ); -OOO_DLLPUBLIC_CHARTTOOLS void g_close_endTryClose(sal_Bool bDeliverOwnership, sal_Bool bMyVeto ); -OOO_DLLPUBLIC_CHARTTOOLS void g_close_endTryClose_doClose(); -OOO_DLLPUBLIC_CHARTTOOLS sal_Bool g_addCloseListener( const ::com::sun::star::uno::Reference< - ::com::sun::star::util::XCloseListener > & xListener ) - throw(::com::sun::star::uno::RuntimeException); - -protected: - virtual sal_Bool impl_canStartApiCall(); - virtual void impl_apiCallCountReachedNull(); - - void impl_setOwnership( sal_Bool bDeliverOwnership, sal_Bool bMyVeto ); - sal_Bool impl_shouldCloseAtNextChance(); - void impl_doClose(); - - void impl_init() - { - m_bClosed = sal_False; - m_bInTryClose = sal_False; - m_bOwnership = sal_False; - m_bOwnershipIsWellKnown = sal_False; - m_aEndTryClosingCondition.set(); - } -}; - -//----------------------------------------------------------------- -/* -Use this Guard in your apicalls to protect access on resources -which will be released in dispose. -It's guarantied, that the release of resources only starts if your -guarded call has finished. -! It's only partly guaranteed that this resources will not change during the call. -See the example for details. - -This class is to be used as described in the example. - -If this guard is used in all api calls of an XCloseable object -it's guarantied, that the closeable will close itself after finishing the last call -if it should do so. - - ::ApiCall -{ - //hold no mutex!!! - LifeTimeGuard aLifeTimeGuard(m_aLifeTimeManager); - - //mutex is acquired; call is not registered - - if(!aLifeTimeGuard.startApiCall()) - return ; //behave as passive as possible, if disposed or closed - - //mutex is acquired, call is registered - { - //you might access some private members here - //but than you need to protect access to these members always like this - //never call to the outside here - } - - aLifeTimeGuard.clear(); //!!! - - //Mutex is released, the running call is still registered - //this call will finish before the 'release-section' in dispose is allowed to start - - { - //you might access some private members here guarded with your own mutex - //but release your mutex at the end of this block - } - - //you can call to the outside (without holding the mutex) without becoming disposed - - //End of method -> ~LifeTimeGuard - //-> call is unregistered - //-> this object might be disposed now -} - -your XComponent::dispose method has to be implemented in the following way: - - ::dispose() -{ - //hold no mutex!!! - if( !m_aLifeTimeManager.dispose() ) - return; - - //--release all resources and references - //... -} - -*/ -//----------------------------------------------------------------- - -class OOO_DLLPUBLIC_CHARTTOOLS LifeTimeGuard -{ - -public: - LifeTimeGuard( LifeTimeManager& rManager ) - : m_guard( rManager.m_aAccessMutex ) - , m_rManager(rManager) - , m_bCallRegistered(sal_False) - , m_bLongLastingCallRegistered(sal_False) - { - - } - sal_Bool startApiCall(sal_Bool bLongLastingCall=sal_False); - ~LifeTimeGuard(); - void clear() { m_guard.clear(); } - -private: - osl::ClearableMutexGuard m_guard; - LifeTimeManager& m_rManager; - sal_Bool m_bCallRegistered; - sal_Bool m_bLongLastingCallRegistered; - -private: - // these make no sense - LifeTimeGuard( ::osl::Mutex& rMutex ); - LifeTimeGuard( const LifeTimeGuard& ); - LifeTimeGuard& operator= ( const LifeTimeGuard& ); -}; - - -template<class T> -class NegativeGuard -{ -protected: - T * m_pT; -public: - - NegativeGuard(T * pT) : m_pT(pT) - { - m_pT->release(); - } - - NegativeGuard(T & t) : m_pT(&t) - { - m_pT->release(); - } - - ~NegativeGuard() - { - m_pT->acquire(); - } -}; - -}//end namespace apphelper -#endif - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |