Adapted FileViewContentEnumerator to safer-to-use salhelper::Thread

svtools/source/contnr/contentenumeration.cxx

@@ -94,7 +94,8 @@ namespace svt
             const Reference< XCommandEnvironment >& _rxCommandEnv,
             ContentData& _rContentToFill, ::osl::Mutex& _rContentMutex,
             const IContentTitleTranslation* _pTranslator )
-        :m_rContent              ( _rContentToFill )
+        :Thread                  ( "FileViewContentEnumerator" )
+        ,m_rContent              ( _rContentToFill )
         ,m_rContentMutex         ( _rContentMutex  )
         ,m_refCount              ( 0               )
         ,m_xCommandEnv           ( _rxCommandEnv   )
@@ -142,15 +143,6 @@ namespace svt
     void FileViewContentEnumerator::enumerateFolderContent(
         const FolderDescriptor& _rFolder, const IUrlFilter* _pFilter, IEnumerationResultHandler* _pResultHandler )
     {
-        // ensure that we don't get deleted while herein
-        acquire();
-            // the matching "release" will be called in onTerminated
-            // Note that onTerminated is only called if run was left normally.
-            // If somebody terminates the thread from the outside, then onTerminated
-            // will never be called. However, our terminate method is not accessible
-            // to our clients, so the only class which could misbehave is this class
-            // here itself ...
-
         ::osl::MutexGuard aGuard( m_aMutex );
         m_aFolder = _rFolder;
         m_pFilter = _pFilter;
@@ -159,25 +151,11 @@ namespace svt
         OSL_ENSURE( m_aFolder.aContent.get().is() || m_aFolder.sURL.Len(),
             "FileViewContentEnumerator::enumerateFolderContent: invalid folder descriptor!" );
 
-        // start the thread
-        create();
-    }
-
-    //--------------------------------------------------------------------
-    oslInterlockedCount SAL_CALL FileViewContentEnumerator::acquire()
-    {
-        return osl_incrementInterlockedCount( &m_refCount );
-    }
-
-    //--------------------------------------------------------------------
-    oslInterlockedCount SAL_CALL FileViewContentEnumerator::release()
-    {
-        if ( 0 == osl_decrementInterlockedCount( &m_refCount ) )
-        {
-            delete this;
-            return 0;
-        }
-        return m_refCount;
+        launch();
+            //TODO: a protocol is missing how to join with the launched thread
+            // before exit(3), to ensure the thread is no longer relying on any
+            // infrastructure while that infrastructure is being shut down in
+            // atexit handlers
     }
 
     //--------------------------------------------------------------------
@@ -446,17 +424,11 @@ namespace svt
     }
 
     //--------------------------------------------------------------------
-    void SAL_CALL FileViewContentEnumerator::run()
+    void FileViewContentEnumerator::execute()
     {
         enumerateFolderContent();
     }
 
-    //--------------------------------------------------------------------
-    void SAL_CALL FileViewContentEnumerator::onTerminated()
-    {
-        release();
-    }
-
 //........................................................................
 } // namespace svt
 //........................................................................

svtools/source/contnr/contentenumeration.hxx

@@ -33,7 +33,7 @@
 #include <com/sun/star/ucb/XCommandEnvironment.hpp>
 #include <com/sun/star/document/XStandaloneDocumentInfo.hpp>
 /** === end UNO includes === **/
-#include <osl/thread.hxx>
+#include <salhelper/thread.hxx>
 #include <rtl/ref.hxx>
 #include <ucbhelper/content.hxx>
 #include <rtl/ustring.hxx>
@@ -185,9 +185,7 @@ namespace svt
     //====================================================================
     //= FileViewContentEnumerator
     //====================================================================
-    class FileViewContentEnumerator
-            :public  ::rtl::IReference
-            ,private ::osl::Thread
+    class FileViewContentEnumerator: public salhelper::Thread
     {
     public:
         typedef ::std::vector< SortingData_Impl* >  ContentData;
@@ -261,13 +259,6 @@ namespace svt
         */
         void    cancel();
 
-        // IReference overridables
-        virtual oslInterlockedCount SAL_CALL acquire();
-        virtual oslInterlockedCount SAL_CALL release();
-
-        using Thread::operator new;
-        using Thread::operator delete;
-
     protected:
         ~FileViewContentEnumerator();
 
@@ -275,8 +266,7 @@ namespace svt
         EnumerationResult enumerateFolderContent();
 
         // Thread overridables
-        virtual void SAL_CALL run();
-        virtual void SAL_CALL onTerminated();
+        virtual void execute();
 
     private:
         sal_Bool implGetDocTitle( const ::rtl::OUString& _rTargetURL, ::rtl::OUString& _rRet ) const;

svtools/source/contnr/fileview.cxx

@@ -1865,10 +1865,10 @@ FileViewResult SvtFileView_Impl::GetFolderContent_Impl(
         if ( ::svt::SUCCESS == eResult )
         {
             implEnumerationSuccess();
-            m_pContentEnumerator = NULL;
+            m_pContentEnumerator.clear();
             return eSuccess;
         }
-        m_pContentEnumerator = NULL;
+        m_pContentEnumerator.clear();
         return eFailure;
     }
 
@@ -2126,7 +2126,7 @@ void SvtFileView_Impl::CancelRunningAsyncAction()
     m_pContentEnumerator->cancel();
     m_bRunningAsyncAction = false;
 
-    m_pContentEnumerator = NULL;
+    m_pContentEnumerator.clear();
     if ( m_pCancelAsyncTimer.is() && m_pCancelAsyncTimer->isTicking() )
         m_pCancelAsyncTimer->stop();
     m_pCancelAsyncTimer = NULL;
@@ -2156,7 +2156,7 @@ void SvtFileView_Impl::enumerationDone( ::svt::EnumerationResult _eResult )
     SolarMutexGuard aSolarGuard;
     ::osl::MutexGuard aGuard( maMutex );
 
-    m_pContentEnumerator = NULL;
+    m_pContentEnumerator.clear();
     if ( m_pCancelAsyncTimer.is() && m_pCancelAsyncTimer->isTicking() )
         m_pCancelAsyncTimer->stop();
     m_pCancelAsyncTimer = NULL;