sc/source/core/tool/chartlock.cxx

   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 #include <vcl/svapp.hxx>
  21 #include <svx/svditer.hxx>
  22 #include <svx/svdoole2.hxx>
  23 #include <svx/svdpage.hxx>
  24
  25 #include "chartlock.hxx"
  26 #include "document.hxx"
  27 #include "drwlayer.hxx"
  28
  29 #include <com/sun/star/embed/XComponentSupplier.hpp>
  30
  31 using namespace com::sun::star;
  32 using ::com::sun::star::uno::Reference;
  33 using ::com::sun::star::uno::WeakReference;
  34
  35 #define SC_CHARTLOCKTIMEOUT 660
  36
  37 namespace
  38 {
  39
  40 std::vector< WeakReference< frame::XModel > > lcl_getAllLivingCharts( ScDocument* pDoc )
  41 {
  42     std::vector< WeakReference< frame::XModel > > aRet;
  43     if( !pDoc )
  44         return aRet;
  45     ScDrawLayer* pDrawLayer = pDoc->GetDrawLayer();
  46     if (!pDrawLayer)
  47         return aRet;
  48
  49     for (SCTAB nTab=0; nTab<=pDoc->GetMaxTableNumber(); nTab++)
  50     {
  51         if (pDoc->HasTable(nTab))
  52         {
  53             SdrPage* pPage = pDrawLayer->GetPage(static_cast<sal_uInt16>(nTab));
  54             OSL_ENSURE(pPage,"Page ?");
  55
  56             SdrObjListIter aIter( *pPage, IM_DEEPNOGROUPS );
  57             SdrObject* pObject = aIter.Next();
  58             while (pObject)
  59             {
  60                 if( ScDocument::IsChart( pObject ) )
  61                 {
  62                     uno::Reference< embed::XEmbeddedObject > xIPObj = static_cast<SdrOle2Obj*>(pObject)->GetObjRef();
  63                     uno::Reference< embed::XComponentSupplier > xCompSupp( xIPObj, uno::UNO_QUERY );
  64                     if( xCompSupp.is())
  65                     {
  66                         Reference< frame::XModel > xModel( xCompSupp->getComponent(), uno::UNO_QUERY );
  67                         if( xModel.is() )
  68                             aRet.push_back( xModel );
  69                     }
  70                 }
  71                 pObject = aIter.Next();
  72             }
  73         }
  74     }
  75     return aRet;
  76 }
  77
  78 }//end anonymous namespace
  79
  80 // ScChartLockGuard
  81 ScChartLockGuard::ScChartLockGuard( ScDocument* pDoc ) :
  82     maChartModels( lcl_getAllLivingCharts( pDoc ) )
  83 {
  84     std::vector< WeakReference< frame::XModel > >::const_iterator aIter = maChartModels.begin();
  85     const std::vector< WeakReference< frame::XModel > >::const_iterator aEnd = maChartModels.end();
  86     for( ; aIter != aEnd; ++aIter )
  87     {
  88         try
  89         {
  90             Reference< frame::XModel > xModel( *aIter );
  91             if( xModel.is())
  92                 xModel->lockControllers();
  93         }
  94         catch ( uno::Exception& )
  95         {
  96             OSL_FAIL("Unexpected exception in ScChartLockGuard");
  97         }
  98     }
  99 }
 100
 101 ScChartLockGuard::~ScChartLockGuard()
 102 {
 103     std::vector< WeakReference< frame::XModel > >::const_iterator aIter = maChartModels.begin();
 104     const std::vector< WeakReference< frame::XModel > >::const_iterator aEnd = maChartModels.end();
 105     for( ; aIter != aEnd; ++aIter )
 106     {
 107         try
 108         {
 109             Reference< frame::XModel > xModel( *aIter );
 110             if( xModel.is())
 111                 xModel->unlockControllers();
 112         }
 113         catch ( uno::Exception& )
 114         {
 115             OSL_FAIL("Unexpected exception in ScChartLockGuard");
 116         }
 117     }
 118 }
 119
 120 void ScChartLockGuard::AlsoLockThisChart( const Reference< frame::XModel >& xModel )
 121 {
 122     if(!xModel.is())
 123         return;
 124
 125     WeakReference< frame::XModel > xWeakModel(xModel);
 126
 127     std::vector< WeakReference< frame::XModel > >::iterator aFindIter(
 128             ::std::find( maChartModels.begin(), maChartModels.end(), xWeakModel ) );
 129
 130     if( aFindIter == maChartModels.end() )
 131     {
 132         try
 133         {
 134             xModel->lockControllers();
 135             maChartModels.push_back( xModel );
 136         }
 137         catch ( uno::Exception& )
 138         {
 139             OSL_FAIL("Unexpected exception in ScChartLockGuard");
 140         }
 141     }
 142 }
 143
 144 // ScTemporaryChartLock
 145 ScTemporaryChartLock::ScTemporaryChartLock( ScDocument* pDocP ) :
 146     mpDoc( pDocP )
 147 {
 148     maTimer.SetTimeout( SC_CHARTLOCKTIMEOUT );
 149     maTimer.SetTimeoutHdl( LINK( this, ScTemporaryChartLock, TimeoutHdl ) );
 150 }
 151
 152 ScTemporaryChartLock::~ScTemporaryChartLock()
 153 {
 154     mpDoc = 0;
 155     StopLocking();
 156 }
 157
 158 void ScTemporaryChartLock::StartOrContinueLocking()
 159 {
 160     if(!mapScChartLockGuard.get())
 161         mapScChartLockGuard.reset( new ScChartLockGuard(mpDoc) );
 162     maTimer.Start();
 163 }
 164
 165 void ScTemporaryChartLock::StopLocking()
 166 {
 167     maTimer.Stop();
 168     mapScChartLockGuard.reset();
 169 }
 170
 171 void ScTemporaryChartLock::AlsoLockThisChart( const Reference< frame::XModel >& xModel )
 172 {
 173     if(mapScChartLockGuard.get())
 174         mapScChartLockGuard->AlsoLockThisChart( xModel );
 175 }
 176
 177 IMPL_LINK_NOARG_TYPED(ScTemporaryChartLock, TimeoutHdl, Timer *, void)
 178 {
 179     mapScChartLockGuard.reset();
 180 }
 181
 182 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */