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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 INCLUDED_VBAHELPER_VBAEVENTSHELPERBASE_HXX
#define INCLUDED_VBAHELPER_VBAEVENTSHELPERBASE_HXX
#include <deque>
#include <map>
#include <unordered_map>
#include <com/sun/star/document/XEventListener.hpp>
#include <com/sun/star/script/vba/XVBAEventProcessor.hpp>
#include <com/sun/star/util/XChangesListener.hpp>
#include <cppuhelper/implbase3.hxx>
#include <vbahelper/vbahelper.hxx>
namespace com { namespace sun { namespace star {
namespace script { namespace vba { class XVBAModuleInfo; } }
namespace uno { class XComponentContext; }
} } }
typedef ::cppu::WeakImplHelper3<
css::script::vba::XVBAEventProcessor,
css::document::XEventListener,
css::util::XChangesListener > 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();
// script::vba::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, std::exception) SAL_OVERRIDE;
virtual sal_Bool SAL_CALL processVbaEvent( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException, css::util::VetoException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// document::XEventListener
virtual void SAL_CALL notifyEvent( const css::document::EventObject& rEvent ) throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// util::XChangesListener
virtual void SAL_CALL changesOccurred( const css::util::ChangesEvent& rEvent ) throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// lang::XEventListener
virtual void SAL_CALL disposing( const css::lang::EventObject& rEvent ) throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
// little helpers ---------------------------------------------------------
/** Helper to execute event handlers without throwing any exceptions. */
void processVbaEventNoThrow( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs );
/** 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:
struct EventHandlerInfo
{
sal_Int32 mnEventId;
sal_Int32 mnModuleType;
OUString maMacroName;
sal_Int32 mnCancelIndex;
css::uno::Any maUserData;
};
/** Registers a supported event handler.
@param nEventId Event identifier from com.sun.star.script.vba.VBAEventId.
@param nModuleType Type of the module containing the event handler.
@param pcMacroName Name of the associated VBA event handler macro.
@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,
sal_Int32 nModuleType,
const sal_Char* pcMacroName,
sal_Int32 nCancelIndex = -1,
const css::uno::Any& rUserData = css::uno::Any() );
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 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, css::uno::RuntimeException) = 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 bCancel ) throw (css::uno::RuntimeException) = 0;
/** Derived classes have to return the name of the Basic document module. */
virtual OUString implGetDocumentModuleName(
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs ) const
throw (css::lang::IllegalArgumentException,
css::uno::RuntimeException) = 0;
private:
typedef ::std::map< sal_Int32, OUString > ModulePathMap;
/** Starts listening at the document model. */
void startListening();
/** Stops listening at the document model. */
void stopListening();
/** 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. */
OUString getEventHandlerPath(
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);
/** On first call, accesses the Basic library containing the VBA source code. */
void ensureVBALibrary() throw (css::uno::RuntimeException);
/** Returns the type of the Basic module with the specified name. */
sal_Int32 getModuleType( const OUString& rModuleName ) throw (css::uno::RuntimeException);
/** Updates the map containing paths to event handlers for a Basic module. */
ModulePathMap& updateModulePathMap( const OUString& rModuleName ) throw (css::uno::RuntimeException);
protected:
css::uno::Reference< css::frame::XModel > mxModel;
SfxObjectShell* mpShell;
private:
typedef std::map< sal_Int32, EventHandlerInfo > EventHandlerInfoMap;
typedef std::unordered_map< OUString, ModulePathMap, OUStringHash > EventHandlerPathMap;
EventHandlerInfoMap maEventInfos;
EventHandlerPathMap maEventPaths;
css::uno::Reference< css::script::vba::XVBAModuleInfo > mxModuleInfos;
OUString maLibraryName;
bool mbDisposed;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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