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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef SVX_FMDISPATCH_HXX
#define SVX_FMDISPATCH_HXX
#include <com/sun/star/frame/XDispatch.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/form/runtime/XFormOperations.hpp>
#include <cppuhelper/implbase1.hxx>
#include <cppuhelper/interfacecontainer.hxx>
//........................................................................
namespace svx
{
//........................................................................
//====================================================================
//= OSingleFeatureDispatcher
//====================================================================
typedef ::cppu::WeakImplHelper1 < ::com::sun::star::frame::XDispatch
> OSingleFeatureDispatcher_Base;
class OSingleFeatureDispatcher : public OSingleFeatureDispatcher_Base
{
private:
::osl::Mutex& m_rMutex;
::cppu::OInterfaceContainerHelper m_aStatusListeners;
::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormOperations >
m_xFormOperations;
const ::com::sun::star::util::URL m_aFeatureURL;
::com::sun::star::uno::Any m_aLastKnownState;
const sal_Int16 m_nFormFeature;
sal_Bool m_bLastKnownEnabled;
sal_Bool m_bDisposed;
public:
/** constructs the dispatcher
@param _rFeatureURL
the URL of the feature which this instance is responsible for
@param _nFeatureId
the feature which this instance is responsible for
@param _rController
the controller which is responsible for providing the state of feature of this instance,
and for executing it. After disposing the dispatcher instance, the controller will
not be accessed anymore
@see dispose
*/
OSingleFeatureDispatcher(
const ::com::sun::star::util::URL& _rFeatureURL,
const sal_Int16 _nFormFeature,
const ::com::sun::star::uno::Reference< ::com::sun::star::form::runtime::XFormOperations >& _rxFormOperations,
::osl::Mutex& _rMutex
);
/** notifies all our listeners of the current state
*/
void updateAllListeners();
protected:
// XDispatch
virtual void SAL_CALL dispatch( const ::com::sun::star::util::URL& _rURL, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& _rArguments ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL addStatusListener( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XStatusListener >& _rxControl, const ::com::sun::star::util::URL& _rURL ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeStatusListener( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XStatusListener >& _rxControl, const ::com::sun::star::util::URL& _rURL ) throw (::com::sun::star::uno::RuntimeException);
protected:
/** notifies our current state to one or all listeners
@param _rxListener
the listener to notify. May be NULL, in this case all our listeners will be
notified with the current state
@param _rFreeForNotification
a guard which currently locks our mutex, and which is to be cleared
for actually doing the notification(s)
*/
void notifyStatus(
const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XStatusListener >& _rxListener,
::osl::ClearableMutexGuard& _rFreeForNotification
);
private:
/** checks whether our instance is alive
If the instance already received a <member>dispose</member> call, then a
<type scope="com::sun::star::lang">DisposedException</type> is thrown.
@precond
our Mutex is locked - else calling the method would not make sense, since
it's result could be out-of-date as soon as it's returned to the caller.
*/
void checkAlive() const SAL_THROW((::com::sun::star::lang::DisposedException));
/** retrieves the current status of our feature, in a format which can be used
for UNO notifications
@precond
our mutex is locked
*/
void getUnoState( ::com::sun::star::frame::FeatureStateEvent& /* [out] */ _rState ) const;
};
//........................................................................
} // namespace svx
//........................................................................
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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