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/* -*- 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 VBAHELPER_VBAEVENTSHELPERBASE_HXX
#define VBAHELPER_VBAEVENTSHELPERBASE_HXX
#include <com/sun/star/lang/XEventListener.hpp>
#include <com/sun/star/script/vba/XVBAEventProcessor.hpp>
#include <cppuhelper/implbase2.hxx>
#include <map>
#include <deque>
#include "vbahelper/vbahelper.hxx"
namespace com { namespace sun { namespace star {
namespace uno { class XComponentContext; }
} } }
// ============================================================================
typedef ::cppu::WeakImplHelper2< css::script::vba::XVBAEventProcessor, css::lang::XEventListener > VbaEventsHelperBase_BASE;
class VBAHELPER_DLLPUBLIC VbaEventsHelperBase : public VbaEventsHelperBase_BASE
{
public:
VbaEventsHelperBase(
const css::uno::Sequence< css::uno::Any >& rArgs,
const css::uno::Reference< css::uno::XComponentContext >& xContext );
virtual ~VbaEventsHelperBase();
// XVBAEventProcessor
virtual sal_Bool SAL_CALL hasVbaEventHandler( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);
virtual void SAL_CALL processVbaEvent( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException, css::script::provider::ScriptFrameworkErrorException, css::util::VetoException, css::uno::RuntimeException);
// XEventListener
virtual void SAL_CALL disposing( const css::lang::EventObject& aSource ) throw (css::uno::RuntimeException);
// little helpers ---------------------------------------------------------
/** Throws, if the passed sequence does not contain a value at the specified index. */
static inline void checkArgument( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException)
{ if( (nIndex < 0) || (nIndex >= rArgs.getLength()) ) throw css::lang::IllegalArgumentException(); }
/** Throws, if the passed sequence does not contain a value of a specific at the specified index. */
template< typename Type >
static inline void checkArgumentType( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException)
{ checkArgument( rArgs, nIndex ); if( !rArgs[ nIndex ].has< Type >() ) throw css::lang::IllegalArgumentException(); }
protected:
// ------------------------------------------------------------------------
enum EventHandlerType { EVENTHANDLER_GLOBAL, EVENTHANDLER_DOCUMENT };
struct EventHandlerInfo
{
sal_Int32 mnEventId;
::rtl::OUString maMacroName;
EventHandlerType meType;
sal_Int32 mnCancelIndex;
css::uno::Any maUserData;
};
/** Registers a supported event handler.
@param nEventId Event identifier from com.sun.star.script.vba.VBAEventId.
@param pcMacroName Name of the associated VBA event handler macro.
@param eType Document event or global event.
@param nCancelIndex 0-based index of Cancel parameter, or -1.
@param rUserData User data for free usage in derived implementations. */
void registerEventHandler(
sal_Int32 nEventId,
const sal_Char* pcMacroName,
EventHandlerType eType = EVENTHANDLER_DOCUMENT,
sal_Int32 nCancelIndex = -1,
const css::uno::Any& rUserData = css::uno::Any() );
/** Throws, if the passed sequence does not contain a value at the specified index. */
static inline void checkArgument( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException)
{ if( rArgs.getLength() <= nIndex ) throw css::lang::IllegalArgumentException(); }
/** Throws, if the passed sequence does not contain a value of a specific at the specified index. */
template< typename Type >
static inline void checkArgumentType( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException)
{ if( (rArgs.getLength() <= nIndex) || !rArgs[ nIndex ].has< Type >() ) throw css::lang::IllegalArgumentException(); }
// ------------------------------------------------------------------------
struct EventQueueEntry
{
sal_Int32 mnEventId;
css::uno::Sequence< css::uno::Any > maArgs;
inline /*implicit*/ EventQueueEntry( sal_Int32 nEventId ) : mnEventId( nEventId ) {}
inline EventQueueEntry( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) : mnEventId( nEventId ), maArgs( rArgs ) {}
};
typedef ::std::deque< EventQueueEntry > EventQueue;
/** Derived classes return whether event processing is enabled. Throws if
the instance is in an invalid state. */
virtual bool implEventsEnabled() throw (css::uno::RuntimeException) = 0;
/** Derived classes do additional prpeparations and return whether the
event handler has to be called. */
virtual bool implPrepareEvent(
EventQueue& rEventQueue,
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::uno::RuntimeException) = 0;
/** Derived classes have to return the argument list for the specified VBA event handler. */
virtual css::uno::Sequence< css::uno::Any > implBuildArgumentList(
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException) = 0;
/** Derived classes may do additional postprocessing. Called even if the
event handler does not exist, or if an error occurred during execution. */
virtual void implPostProcessEvent(
EventQueue& rEventQueue,
const EventHandlerInfo& rInfo,
bool bSuccess,
bool bCancel ) throw (css::uno::RuntimeException) = 0;
/** Derived classes have to return the name of the Basic document module. */
virtual ::rtl::OUString implGetDocumentModuleName(
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs ) const throw (css::lang::IllegalArgumentException) = 0;
private:
/** Returns the event handler info struct for the specified event, or throws. */
const EventHandlerInfo& getEventHandlerInfo( sal_Int32 nEventId ) const throw (css::lang::IllegalArgumentException);
/** Searches the event handler in the document and returns its full script path. */
::rtl::OUString getEventHandlerPath(
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs ) const throw (css::lang::IllegalArgumentException);
/** Removes this instance from all broadcasters. */
void stopListening();
protected:
css::uno::Reference< css::frame::XModel > mxModel;
SfxObjectShell* mpShell;
private:
typedef ::std::map< sal_Int32, EventHandlerInfo > EventHandlerMap;
EventHandlerMap maEvents;
bool mbDisposed;
};
// ============================================================================
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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