chart2: ChartController: fix CommandDispatchContainer access locking

crashes on concurrent setModel() and getDispatchForURL() in
JunitTest_chart2_unoapi:

Thread 13:
 7  in (anonymous namespace)::Frame::isActionLocked (this=0x2b66c0e4a090) at /home/tinderbox/master/framework/source/services/frame.cxx:2596
 8  in (anonymous namespace)::Frame::close (this=0x2b66c0e4a090, bDeliverOwnership=0 '\000') at /home/tinderbox/master/framework/source/services/frame.cxx:1772
 9  in chart::ChartController::notifyClosing (this=0x2b668ae41058, rSource=...) at /home/tinderbox/master/chart2/source/controller/main/ChartController.cxx:872
 10 in apphelper::CloseableLifeTimeManager::impl_doClose (this=0x2b669a0b1d08) at /home/tinderbox/master/chart2/source/tools/LifeTime.cxx:360
 11 in apphelper::CloseableLifeTimeManager::g_close_endTryClose_doClose (this=0x2b669a0b1d08) at /home/tinderbox/master/chart2/source/tools/LifeTime.cxx:311
 12 in chart::ChartModel::close (this=0x2b669a0b1c28, bDeliverOwnership=1 '\001') at /home/tinderbox/master/chart2/source/model/main/ChartModel.cxx:659

Thread 1:
 4  in std::__debug::map<rtl::OUString, com::sun::star::uno::Reference<com::sun::star::frame::XDispatch>, std::less<rtl::OUString>, std::allocator<std::pair<rtl::OUString const, com::sun::star::uno::Reference<com::sun::star::frame::XDispatch> > > >::find (this=0x2b668ae41248, __x=...) at /usr/include/c++/4.8.3/debug/map.h:382
No locals.
 5  in chart::CommandDispatchContainer::getDispatchForURL (this=0x2b668ae41248, rURL=...) at /home/tinderbox/master/chart2/source/controller/main/CommandDispatchContainer.cxx:80
 6  in chart::ChartController::queryDispatch (this=0x2b668ae41058, rURL=..., rTargetFrameName=...) at /home/tinderbox/master/chart2/source/controller/main/ChartController.cxx:1003
No locals.
 7  in framework::DispatchProvider::implts_queryFrameDispatch (this=0x2b66a3fd21e8, xFrame=..., aURL=..., sTargetFrameName=..., nSearchFlags=0) at /home/tinderbox/master/framework/source/dispatch/dispatchprovider.cxx:374
 8  in framework::DispatchProvider::queryDispatch (this=0x2b66a3fd21e8, aURL=..., sTargetFrameName=..., nSearchFlags=0) at /home/tinderbox/master/framework/source/dispatch/dispatchprovider.cxx:111
 9  in framework::InterceptionHelper::queryDispatch (this=0x2b668a61bc08, aURL=..., sTargetFrameName=..., nSearchFlags=0) at /home/tinderbox/master/framework/source/dispatch/interceptionhelper.cxx:78
 10 in (anonymous namespace)::Frame::queryDispatch (this=0x2b66c0e4a090, aURL=..., sTargetFrameName=..., nSearchFlags=0) at /home/tinderbox/master/framework/source/services/frame.cxx:2227
 11 in svt::ToolboxController::bindListener (this=0x2b66c0f72740) at /home/tinderbox/master/svtools/source/uno/toolboxcontroller.cxx:529
 12 in svt::ToolboxController::update (this=0x2b66c0f72740) at /home/tinderbox/master/svtools/source/uno/toolboxcontroller.cxx:232
 13 in framework::ToolBarManager::UpdateControllers (this=0x2b669a0a1728) at /home/tinderbox/master/framework/source/uielement/toolbarmanager.cxx:440
 14 in framework::ToolBarManager::AsyncUpdateControllersHdl (this=0x2b669a0a1728) at /home/tinderbox/master/framework/source/uielement/toolbarmanager.cxx:2110
 15 in framework::ToolBarManager::LinkStubAsyncUpdateControllersHdl (pThis=0x2b669a0a1728, pCaller=0x2b669a0a1890) at /home/tinderbox/master/framework/source/uielement/toolbarmanager.cxx:2097
 16 in Link::Call (this=0x2b669a0a18b0, pCaller=0x2b669a0a1890) at /home/tinderbox/master/include/tools/link.hxx:139
 17 in Timer::Timeout (this=0x2b669a0a1890) at /home/tinderbox/master/vcl/source/app/timer.cxx:276

Change-Id: I17ef63db8f7c288460e00031e8e8a5c3e4d086b3

2 files changed, 21 insertions, 4 deletions

diff --git a/chart2/source/controller/main/ChartController.cxx b/chart2/source/controller/main/ChartController.cxx
index a9ff0c64798f..7accfe9fa06e 100644
--- a/chart2/source/controller/main/ChartController.cxx
+++ b/chart2/source/controller/main/ChartController.cxx
@@ -491,10 +491,10 @@ sal_Bool SAL_CALL ChartController::attachModel( const uno::Reference< frame::XMo
     //is called to attach the controller to a new model.
     //return true if attach was successfully, false otherwise (e.g. if you do not work with a model)
 
-    SolarMutexClearableGuard aClearableGuard;
+    SolarMutexResettableGuard aGuard;
     if( impl_isDisposedOrSuspended() ) //@todo? allow attaching a new model while suspended?
         return sal_False; //behave passive if already disposed or suspended
-    aClearableGuard.clear();
+    aGuard.clear();
 
     TheModelRef aNewModelRef( new TheModel( xModel), m_aModelMutex);
     TheModelRef aOldModelRef(m_aModel,m_aModelMutex);
@@ -519,6 +519,7 @@ sal_Bool SAL_CALL ChartController::attachModel( const uno::Reference< frame::XMo
     //--handle relations to the new model
     aNewModelRef->addListener( this );
 
+    aGuard.reset(); // lock for m_aDispatchContainer access
     // set new model at dispatchers
     m_aDispatchContainer.setModel( aNewModelRef->getModel());
     ControllerCommandDispatch * pDispatch = new ControllerCommandDispatch( m_xCC, this, &m_aDispatchContainer );
@@ -542,6 +543,7 @@ sal_Bool SAL_CALL ChartController::attachModel( const uno::Reference< frame::XMo
         pShapeController->initialize();
         m_aDispatchContainer.setShapeController( pShapeController );
     }
+    aGuard.clear();
 
 #ifdef TEST_ENABLE_MODIFY_LISTENER
     uno::Reference< util::XModifyBroadcaster > xMBroadcaster( aNewModelRef->getModel(),uno::UNO_QUERY );
@@ -565,7 +567,7 @@ sal_Bool SAL_CALL ChartController::attachModel( const uno::Reference< frame::XMo
 
     //the frameloader is responsible to call xModel->connectController
     {
-        SolarMutexGuard aGuard;
+        SolarMutexGuard aGuard2;
         if( m_pChartWindow )
             m_pChartWindow->Invalidate();
     }
@@ -784,6 +786,7 @@ void SAL_CALL ChartController::dispose()
         //// @todo integrate specialized implementation
         //e.g. release further resources and references
 
+        SolarMutexGuard g;
         m_aDispatchContainer.DisposeAndClear();
     }
     catch( const uno::Exception & ex )
@@ -894,7 +897,10 @@ bool ChartController::impl_releaseThisModel(
         }
     }
     if( bReleaseModel )
+    {
+        SolarMutexGuard g;
         m_aDispatchContainer.setModel( 0 );
+    }
     return bReleaseModel;
 }
 
@@ -997,6 +1003,8 @@ uno::Reference<frame::XDispatch> SAL_CALL
         sal_Int32 /* nSearchFlags */)
             throw(uno::RuntimeException, std::exception)
 {
+    SolarMutexGuard aGuard;
+
     if ( !m_aLifeTimeManager.impl_isDisposed() && getModel().is() )
     {
         if( !rTargetFrameName.isEmpty() && rTargetFrameName == "_self" )
@@ -1010,6 +1018,8 @@ uno::Sequence<uno::Reference<frame::XDispatch > >
         const uno::Sequence<frame::DispatchDescriptor>& xDescripts )
             throw(uno::RuntimeException, std::exception)
 {
+    SolarMutexGuard g;
+
     if ( !m_aLifeTimeManager.impl_isDisposed() )
     {
         return m_aDispatchContainer.getDispatchesForURLs( xDescripts );
diff --git a/chart2/source/controller/main/ControllerCommandDispatch.cxx b/chart2/source/controller/main/ControllerCommandDispatch.cxx
index 7f4f4c18a59e..e28fbe8c03dc 100644
--- a/chart2/source/controller/main/ControllerCommandDispatch.cxx
+++ b/chart2/source/controller/main/ControllerCommandDispatch.cxx
@@ -32,6 +32,8 @@
 #include "StatisticsHelper.hxx"
 #include "ShapeController.hxx"
 
+#include <vcl/svapp.hxx>
+
 #include <com/sun/star/util/XModifyBroadcaster.hpp>
 #include <com/sun/star/frame/XStorable.hpp>
 #include <com/sun/star/chart2/XChartDocument.hpp>
@@ -698,7 +700,12 @@ bool ControllerCommandDispatch::commandAvailable( const OUString & rCommand )
 
 bool ControllerCommandDispatch::isShapeControllerCommandAvailable( const OUString& rCommand )
 {
-    ShapeController* pShapeController = ( m_pDispatchContainer ? m_pDispatchContainer->getShapeController() : NULL );
+    ShapeController* pShapeController(0);
+    {
+        SolarMutexGuard g;
+        if (m_pDispatchContainer)
+            pShapeController = m_pDispatchContainer->getShapeController();
+    }
     if ( pShapeController )
     {
         FeatureState aState( pShapeController->getState( rCommand ) );