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