office-gobmx/chart2/source/inc/ControllerLockGuard.hxx
2010-10-28 15:47:29 +01:00

96 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef CHART2_CONTROLLERLOCKGUARD_HXX
#define CHART2_CONTROLLERLOCKGUARD_HXX
#include <com/sun/star/frame/XModel.hpp>
#include "charttoolsdllapi.hxx"
namespace chart
{
/** This guard calls lockControllers at the given Model in the CTOR and
unlockControllers in the DTOR. Using this ensures that controllers do not
remain locked when leaving a function even in case an exception is thrown.
*/
class OOO_DLLPUBLIC_CHARTTOOLS ControllerLockGuard
{
public:
explicit ControllerLockGuard(
const ::com::sun::star::uno::Reference<
::com::sun::star::frame::XModel > & xModel );
~ControllerLockGuard();
private:
::com::sun::star::uno::Reference<
::com::sun::star::frame::XModel > m_xModel;
};
/** This helper class can be used to pass a locking mechanism to other objects
without exposing the full XModel to it.
Use the ControllerLockHelperGuard to lock/unlock the model during a block of
instructions.
*/
class OOO_DLLPUBLIC_CHARTTOOLS ControllerLockHelper
{
public:
explicit ControllerLockHelper(
const ::com::sun::star::uno::Reference<
::com::sun::star::frame::XModel > & xModel );
~ControllerLockHelper();
SAL_DLLPRIVATE void lockControllers();
SAL_DLLPRIVATE void unlockControllers();
private:
::com::sun::star::uno::Reference<
::com::sun::star::frame::XModel > m_xModel;
};
/** This guard calls lockControllers at the given ControllerLockHelper in the
CTOR and unlockControllers in the DTOR. Using this ensures that controllers
do not remain locked when leaving a function even in case an exception is
thrown.
*/
class OOO_DLLPUBLIC_CHARTTOOLS ControllerLockHelperGuard
{
public:
explicit ControllerLockHelperGuard( ControllerLockHelper & rHelper );
~ControllerLockHelperGuard();
private:
ControllerLockHelper & m_rHelper;
};
} // namespace chart
// CHART2_CONTROLLERLOCKGUARD_HXX
#endif
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