LCOV - code coverage report
Current view: top level - solver/unxlngi6.pro/inc/vbahelper - vbaeventshelperbase.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 6 8 75.0 %
Date: 2012-08-25 Functions: 8 9 88.9 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 3 12 25.0 %

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * This file is part of the LibreOffice project.
       4                 :            :  *
       5                 :            :  * This Source Code Form is subject to the terms of the Mozilla Public
       6                 :            :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7                 :            :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8                 :            :  *
       9                 :            :  * This file incorporates work covered by the following license notice:
      10                 :            :  *
      11                 :            :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12                 :            :  *   contributor license agreements. See the NOTICE file distributed
      13                 :            :  *   with this work for additional information regarding copyright
      14                 :            :  *   ownership. The ASF licenses this file to you under the Apache
      15                 :            :  *   License, Version 2.0 (the "License"); you may not use this file
      16                 :            :  *   except in compliance with the License. You may obtain a copy of
      17                 :            :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18                 :            :  */
      19                 :            : 
      20                 :            : #ifndef VBAHELPER_VBAEVENTSHELPERBASE_HXX
      21                 :            : #define VBAHELPER_VBAEVENTSHELPERBASE_HXX
      22                 :            : 
      23                 :            : #include <deque>
      24                 :            : #include <map>
      25                 :            : #include <boost/unordered_map.hpp>
      26                 :            : #include <com/sun/star/document/XEventListener.hpp>
      27                 :            : #include <com/sun/star/script/vba/XVBAEventProcessor.hpp>
      28                 :            : #include <com/sun/star/util/XChangesListener.hpp>
      29                 :            : #include <cppuhelper/implbase3.hxx>
      30                 :            : #include "vbahelper/vbahelper.hxx"
      31                 :            : 
      32                 :            : namespace com { namespace sun { namespace star {
      33                 :            :     namespace script { namespace vba { class XVBAModuleInfo; } }
      34                 :            :     namespace uno { class XComponentContext; }
      35                 :            : } } }
      36                 :            : 
      37                 :            : // ============================================================================
      38                 :            : 
      39                 :            : typedef ::cppu::WeakImplHelper3<
      40                 :            :     css::script::vba::XVBAEventProcessor,
      41                 :            :     css::document::XEventListener,
      42                 :            :     css::util::XChangesListener > VbaEventsHelperBase_BASE;
      43                 :            : 
      44                 :            : class VBAHELPER_DLLPUBLIC VbaEventsHelperBase : public VbaEventsHelperBase_BASE
      45                 :            : {
      46                 :            : public:
      47                 :            :     VbaEventsHelperBase(
      48                 :            :         const css::uno::Sequence< css::uno::Any >& rArgs,
      49                 :            :         const css::uno::Reference< css::uno::XComponentContext >& xContext );
      50                 :            :     virtual ~VbaEventsHelperBase();
      51                 :            : 
      52                 :            :     // script::vba::XVBAEventProcessor
      53                 :            :     virtual sal_Bool SAL_CALL hasVbaEventHandler( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);
      54                 :            :     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);
      55                 :            : 
      56                 :            :     // document::XEventListener
      57                 :            :     virtual void SAL_CALL notifyEvent( const css::document::EventObject& rEvent ) throw (css::uno::RuntimeException);
      58                 :            : 
      59                 :            :     // util::XChangesListener
      60                 :            :     virtual void SAL_CALL changesOccurred( const css::util::ChangesEvent& rEvent ) throw (css::uno::RuntimeException);
      61                 :            : 
      62                 :            :     // lang::XEventListener
      63                 :            :     virtual void SAL_CALL disposing( const css::lang::EventObject& rEvent ) throw (css::uno::RuntimeException);
      64                 :            : 
      65                 :            :     // little helpers ---------------------------------------------------------
      66                 :            : 
      67                 :            :     /** Helper to execute event handlers without throwing any exceptions. */
      68                 :            :     void processVbaEventNoThrow( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs );
      69                 :            : 
      70                 :            :     /** Throws, if the passed sequence does not contain a value at the specified index. */
      71                 :         46 :     static inline void checkArgument( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException)
      72 [ +  - ][ -  + ]:         46 :         { if( (nIndex < 0) || (nIndex >= rArgs.getLength()) ) throw css::lang::IllegalArgumentException(); }
         [ -  + ][ #  # ]
      73                 :            : 
      74                 :            :     /** Throws, if the passed sequence does not contain a value of a specific at the specified index. */
      75                 :            :     template< typename Type >
      76                 :          0 :     static inline void checkArgumentType( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException)
      77 [ #  # ][ #  # ]:          0 :         { checkArgument( rArgs, nIndex ); if( !rArgs[ nIndex ].has< Type >() ) throw css::lang::IllegalArgumentException(); }
      78                 :            : 
      79                 :            : protected:
      80                 :            :     // ------------------------------------------------------------------------
      81                 :            : 
      82                 :        870 :     struct EventHandlerInfo
      83                 :            :     {
      84                 :            :         sal_Int32 mnEventId;
      85                 :            :         sal_Int32 mnModuleType;
      86                 :            :         ::rtl::OUString maMacroName;
      87                 :            :         sal_Int32 mnCancelIndex;
      88                 :            :         css::uno::Any maUserData;
      89                 :            :     };
      90                 :            : 
      91                 :            :     /** Registers a supported event handler.
      92                 :            : 
      93                 :            :         @param nEventId  Event identifier from com.sun.star.script.vba.VBAEventId.
      94                 :            :         @param nModuleType  Type of the module containing the event handler.
      95                 :            :         @param pcMacroName  Name of the associated VBA event handler macro.
      96                 :            :         @param nCancelIndex  0-based index of Cancel parameter, or -1.
      97                 :            :         @param rUserData  User data for free usage in derived implementations. */
      98                 :            :     void registerEventHandler(
      99                 :            :             sal_Int32 nEventId,
     100                 :            :             sal_Int32 nModuleType,
     101                 :            :             const sal_Char* pcMacroName,
     102                 :            :             sal_Int32 nCancelIndex = -1,
     103                 :            :             const css::uno::Any& rUserData = css::uno::Any() );
     104                 :            : 
     105                 :            :     // ------------------------------------------------------------------------
     106                 :            : 
     107                 :        180 :     struct EventQueueEntry
     108                 :            :     {
     109                 :            :         sal_Int32 mnEventId;
     110                 :            :         css::uno::Sequence< css::uno::Any > maArgs;
     111                 :          8 :         inline /*implicit*/ EventQueueEntry( sal_Int32 nEventId ) : mnEventId( nEventId ) {}
     112                 :         52 :         inline EventQueueEntry( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) : mnEventId( nEventId ), maArgs( rArgs ) {}
     113                 :            :     };
     114                 :            :     typedef ::std::deque< EventQueueEntry > EventQueue;
     115                 :            : 
     116                 :            :     /** Derived classes do additional prpeparations and return whether the
     117                 :            :         event handler has to be called. */
     118                 :            :     virtual bool implPrepareEvent(
     119                 :            :         EventQueue& rEventQueue,
     120                 :            :         const EventHandlerInfo& rInfo,
     121                 :            :         const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::uno::RuntimeException) = 0;
     122                 :            : 
     123                 :            :     /** Derived classes have to return the argument list for the specified VBA event handler. */
     124                 :            :     virtual css::uno::Sequence< css::uno::Any > implBuildArgumentList(
     125                 :            :         const EventHandlerInfo& rInfo,
     126                 :            :         const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException) = 0;
     127                 :            : 
     128                 :            :     /** Derived classes may do additional postprocessing. Called even if the
     129                 :            :         event handler does not exist, or if an error occurred during execution. */
     130                 :            :     virtual void implPostProcessEvent(
     131                 :            :         EventQueue& rEventQueue,
     132                 :            :         const EventHandlerInfo& rInfo,
     133                 :            :         bool bCancel ) throw (css::uno::RuntimeException) = 0;
     134                 :            : 
     135                 :            :     /** Derived classes have to return the name of the Basic document module. */
     136                 :            :     virtual ::rtl::OUString implGetDocumentModuleName(
     137                 :            :         const EventHandlerInfo& rInfo,
     138                 :            :         const css::uno::Sequence< css::uno::Any >& rArgs ) const throw (css::lang::IllegalArgumentException) = 0;
     139                 :            : 
     140                 :            : private:
     141                 :            :     typedef ::std::map< sal_Int32, ::rtl::OUString > ModulePathMap;
     142                 :            : 
     143                 :            :     /** Starts listening at the document model. */
     144                 :            :     void startListening();
     145                 :            :     /** Stops listening at the document model. */
     146                 :            :     void stopListening();
     147                 :            : 
     148                 :            :     /** Returns the event handler info struct for the specified event, or throws. */
     149                 :            :     const EventHandlerInfo& getEventHandlerInfo( sal_Int32 nEventId ) const throw (css::lang::IllegalArgumentException);
     150                 :            : 
     151                 :            :     /** Searches the event handler in the document and returns its full script path. */
     152                 :            :     ::rtl::OUString getEventHandlerPath(
     153                 :            :         const EventHandlerInfo& rInfo,
     154                 :            :         const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);
     155                 :            : 
     156                 :            :     /** On first call, accesses the Basic library containing the VBA source code. */
     157                 :            :     void ensureVBALibrary() throw (css::uno::RuntimeException);
     158                 :            : 
     159                 :            :     /** Returns the type of the Basic module with the specified name. */
     160                 :            :     sal_Int32 getModuleType( const ::rtl::OUString& rModuleName ) throw (css::uno::RuntimeException);
     161                 :            : 
     162                 :            :     /** Updates the map containing paths to event handlers for a Basic module. */
     163                 :            :     ModulePathMap& updateModulePathMap( const ::rtl::OUString& rModuleName ) throw (css::uno::RuntimeException);
     164                 :            : 
     165                 :            : protected:
     166                 :            :     css::uno::Reference< css::frame::XModel > mxModel;
     167                 :            :     SfxObjectShell* mpShell;
     168                 :            : 
     169                 :            : private:
     170                 :            :     typedef ::std::map< sal_Int32, EventHandlerInfo > EventHandlerInfoMap;
     171                 :            :     typedef boost::unordered_map< ::rtl::OUString, ModulePathMap, ::rtl::OUStringHash > EventHandlerPathMap;
     172                 :            : 
     173                 :            :     EventHandlerInfoMap maEventInfos;
     174                 :            :     EventHandlerPathMap maEventPaths;
     175                 :            :     css::uno::Reference< css::script::vba::XVBAModuleInfo > mxModuleInfos;
     176                 :            :     ::rtl::OUString maLibraryName;
     177                 :            :     bool mbDisposed;
     178                 :            : };
     179                 :            : 
     180                 :            : // ============================================================================
     181                 :            : 
     182                 :            : #endif
     183                 :            : 
     184                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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