b9337e22ce
see https://gerrit.libreoffice.org/#/c/3367/ and Change-Id: I00c96fa77d04b33a6f8c8cd3490dfcd9bdc9e84a for details Change-Id: I199a75bc4042af20817265d5ef85b1134a96ff5a
184 lines
8.3 KiB
C++
184 lines
8.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef VBAHELPER_VBAEVENTSHELPERBASE_HXX
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#define VBAHELPER_VBAEVENTSHELPERBASE_HXX
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#include <deque>
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#include <map>
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#include <boost/unordered_map.hpp>
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#include <com/sun/star/document/XEventListener.hpp>
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#include <com/sun/star/script/vba/XVBAEventProcessor.hpp>
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#include <com/sun/star/util/XChangesListener.hpp>
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#include <cppuhelper/implbase3.hxx>
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#include "vbahelper/vbahelper.hxx"
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namespace com { namespace sun { namespace star {
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namespace script { namespace vba { class XVBAModuleInfo; } }
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namespace uno { class XComponentContext; }
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} } }
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// ============================================================================
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typedef ::cppu::WeakImplHelper3<
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css::script::vba::XVBAEventProcessor,
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css::document::XEventListener,
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css::util::XChangesListener > VbaEventsHelperBase_BASE;
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class VBAHELPER_DLLPUBLIC VbaEventsHelperBase : public VbaEventsHelperBase_BASE
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{
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public:
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VbaEventsHelperBase(
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const css::uno::Sequence< css::uno::Any >& rArgs,
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const css::uno::Reference< css::uno::XComponentContext >& xContext );
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virtual ~VbaEventsHelperBase();
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// script::vba::XVBAEventProcessor
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virtual sal_Bool SAL_CALL hasVbaEventHandler( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);
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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);
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// document::XEventListener
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virtual void SAL_CALL notifyEvent( const css::document::EventObject& rEvent ) throw (css::uno::RuntimeException);
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// util::XChangesListener
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virtual void SAL_CALL changesOccurred( const css::util::ChangesEvent& rEvent ) throw (css::uno::RuntimeException);
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// lang::XEventListener
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virtual void SAL_CALL disposing( const css::lang::EventObject& rEvent ) throw (css::uno::RuntimeException);
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// little helpers ---------------------------------------------------------
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/** Helper to execute event handlers without throwing any exceptions. */
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void processVbaEventNoThrow( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs );
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/** Throws, if the passed sequence does not contain a value at the specified index. */
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static inline void checkArgument( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException)
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{ if( (nIndex < 0) || (nIndex >= rArgs.getLength()) ) throw css::lang::IllegalArgumentException(); }
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/** Throws, if the passed sequence does not contain a value of a specific at the specified index. */
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template< typename Type >
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static inline void checkArgumentType( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException)
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{ checkArgument( rArgs, nIndex ); if( !rArgs[ nIndex ].has< Type >() ) throw css::lang::IllegalArgumentException(); }
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protected:
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// ------------------------------------------------------------------------
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struct EventHandlerInfo
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{
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sal_Int32 mnEventId;
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sal_Int32 mnModuleType;
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OUString maMacroName;
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sal_Int32 mnCancelIndex;
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css::uno::Any maUserData;
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};
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/** Registers a supported event handler.
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@param nEventId Event identifier from com.sun.star.script.vba.VBAEventId.
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@param nModuleType Type of the module containing the event handler.
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@param pcMacroName Name of the associated VBA event handler macro.
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@param nCancelIndex 0-based index of Cancel parameter, or -1.
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@param rUserData User data for free usage in derived implementations. */
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void registerEventHandler(
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sal_Int32 nEventId,
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sal_Int32 nModuleType,
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const sal_Char* pcMacroName,
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sal_Int32 nCancelIndex = -1,
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const css::uno::Any& rUserData = css::uno::Any() );
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// ------------------------------------------------------------------------
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struct EventQueueEntry
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{
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sal_Int32 mnEventId;
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css::uno::Sequence< css::uno::Any > maArgs;
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inline /*implicit*/ EventQueueEntry( sal_Int32 nEventId ) : mnEventId( nEventId ) {}
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inline EventQueueEntry( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) : mnEventId( nEventId ), maArgs( rArgs ) {}
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};
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typedef ::std::deque< EventQueueEntry > EventQueue;
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/** Derived classes do additional prpeparations and return whether the
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event handler has to be called. */
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virtual bool implPrepareEvent(
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EventQueue& rEventQueue,
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const EventHandlerInfo& rInfo,
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const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::uno::RuntimeException) = 0;
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/** Derived classes have to return the argument list for the specified VBA event handler. */
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virtual css::uno::Sequence< css::uno::Any > implBuildArgumentList(
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const EventHandlerInfo& rInfo,
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const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException) = 0;
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/** Derived classes may do additional postprocessing. Called even if the
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event handler does not exist, or if an error occurred during execution. */
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virtual void implPostProcessEvent(
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EventQueue& rEventQueue,
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const EventHandlerInfo& rInfo,
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bool bCancel ) throw (css::uno::RuntimeException) = 0;
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/** Derived classes have to return the name of the Basic document module. */
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virtual OUString implGetDocumentModuleName(
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const EventHandlerInfo& rInfo,
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const css::uno::Sequence< css::uno::Any >& rArgs ) const throw (css::lang::IllegalArgumentException) = 0;
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private:
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typedef ::std::map< sal_Int32, OUString > ModulePathMap;
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/** Starts listening at the document model. */
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void startListening();
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/** Stops listening at the document model. */
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void stopListening();
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/** Returns the event handler info struct for the specified event, or throws. */
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const EventHandlerInfo& getEventHandlerInfo( sal_Int32 nEventId ) const throw (css::lang::IllegalArgumentException);
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/** Searches the event handler in the document and returns its full script path. */
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OUString getEventHandlerPath(
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const EventHandlerInfo& rInfo,
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const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);
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/** On first call, accesses the Basic library containing the VBA source code. */
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void ensureVBALibrary() throw (css::uno::RuntimeException);
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/** Returns the type of the Basic module with the specified name. */
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sal_Int32 getModuleType( const OUString& rModuleName ) throw (css::uno::RuntimeException);
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/** Updates the map containing paths to event handlers for a Basic module. */
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ModulePathMap& updateModulePathMap( const OUString& rModuleName ) throw (css::uno::RuntimeException);
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protected:
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css::uno::Reference< css::frame::XModel > mxModel;
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SfxObjectShell* mpShell;
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private:
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typedef ::std::map< sal_Int32, EventHandlerInfo > EventHandlerInfoMap;
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typedef boost::unordered_map< OUString, ModulePathMap, OUStringHash > EventHandlerPathMap;
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EventHandlerInfoMap maEventInfos;
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EventHandlerPathMap maEventPaths;
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css::uno::Reference< css::script::vba::XVBAModuleInfo > mxModuleInfos;
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OUString maLibraryName;
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bool mbDisposed;
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};
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// ============================================================================
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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