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

svtools/inc/svtools/inettbc.hxx

@@ -31,6 +31,7 @@
 
 // includes *****************************************************************
 
+#include "rtl/ref.hxx"
 #include "svtools/svtdllapi.h"
 #include <tools/string.hxx>
 #include <tools/urlobj.hxx>
@@ -47,7 +48,7 @@ friend class SvtURLBox_Impl;
     Link                            aOpenHdl;
     String                          aBaseURL;
     String                          aPlaceHolder;
-    SvtMatchContext_Impl*           pCtx;
+    rtl::Reference< SvtMatchContext_Impl > pCtx;
     SvtURLBox_Impl*                 pImp;
     INetProtocol                    eSmartProtocol;
     sal_Bool                            bAutoCompleteMode   : 1;

svtools/source/control/inettbc.cxx

@@ -47,7 +47,7 @@
 #include <comphelper/processfactory.hxx>
 #include <comphelper/string.hxx>
 #include <vcl/toolbox.hxx>
-#include <osl/thread.hxx>
+#include <salhelper/thread.hxx>
 #include <osl/mutex.hxx>
 #include <vcl/svapp.hxx>
 #include <unotools/historyoptions.hxx>
@@ -96,7 +96,7 @@ public:
     }
 };
 
-class SvtMatchContext_Impl : public ::osl::Thread
+class SvtMatchContext_Impl: public salhelper::Thread
 {
     static ::osl::Mutex*            pDirMutex;
 
@@ -113,9 +113,9 @@ class SvtMatchContext_Impl : public ::osl::Thread
 
     DECL_STATIC_LINK(               SvtMatchContext_Impl, Select_Impl, void* );
 
-    virtual void SAL_CALL           onTerminated( );
-    virtual void SAL_CALL           run();
-    virtual void SAL_CALL           Cancel();
+    virtual                         ~SvtMatchContext_Impl();
+    virtual void                    execute();
+    void                            doExecute();
     void                            Insert( const String& rCompletion, const String& rURL, sal_Bool bForce = sal_False);
     void                            ReadFolder( const String& rURL, const String& rMatch, sal_Bool bSmart );
     void                            FillPicklist(std::vector<rtl::OUString>& rPickList);
@@ -124,7 +124,6 @@ public:
     static ::osl::Mutex*           GetMutex();
 
                                     SvtMatchContext_Impl( SvtURLBox* pBoxP, const String& rText );
-                                    ~SvtMatchContext_Impl();
     void                            Stop();
 };
 
@@ -140,7 +139,8 @@ public:
 
 SvtMatchContext_Impl::SvtMatchContext_Impl(
     SvtURLBox* pBoxP, const String& rText )
-    : aLink( STATIC_LINK( this, SvtMatchContext_Impl, Select_Impl ) )
+    : Thread( "SvtMatchContext_Impl" )
+    , aLink( STATIC_LINK( this, SvtMatchContext_Impl, Select_Impl ) )
     , aBaseURL( pBoxP->aBaseURL )
     , aText( rText )
     , pBox( pBoxP )
@@ -151,8 +151,6 @@ SvtMatchContext_Impl::SvtMatchContext_Impl(
     aLink.CreateMutex();
 
     FillPicklist( aPickList );
-
-    create();
 }
 
 SvtMatchContext_Impl::~SvtMatchContext_Impl()
@@ -188,22 +186,15 @@ void SvtMatchContext_Impl::FillPicklist(std::vector<rtl::OUString>& rPickList)
     }
 }
 
-void SAL_CALL SvtMatchContext_Impl::Cancel()
-{
-    // Cancel button pressed
-    terminate();
-}
-
 void SvtMatchContext_Impl::Stop()
 {
     bStop = sal_True;
-
-    if( isRunning() )
-        terminate();
+    terminate();
 }
 
-void SvtMatchContext_Impl::onTerminated( )
+void SvtMatchContext_Impl::execute( )
 {
+    doExecute();
     aLink.Call( this );
 }
 
@@ -220,7 +211,6 @@ IMPL_STATIC_LINK( SvtMatchContext_Impl, Select_Impl, void*, )
     if( pThis->bStop )
     {
         // completions was stopped, no display
-        delete pThis;
         return 0;
     }
 
@@ -293,8 +283,7 @@ IMPL_STATIC_LINK( SvtMatchContext_Impl, Select_Impl, void*, )
 
     // the box has this control as a member so we have to set that member
     // to zero before deleting ourself.
-    pBox->pCtx = NULL;
-    delete pThis;
+    pBox->pCtx.clear();
 
     return 0;
 }
@@ -567,7 +556,7 @@ String SvtURLBox::ParseSmart( String aText, String aBaseURL, String aWorkDir )
 }
 
 //-------------------------------------------------------------------------
-void SvtMatchContext_Impl::run()
+void SvtMatchContext_Impl::doExecute()
 {
     ::osl::MutexGuard aGuard( GetMutex() );
     if( bStop )
@@ -750,19 +739,20 @@ void SvtURLBox::TryAutoComplete( sal_Bool bForce )
     aCurText.Erase( nLen );
     if( aCurText.Len() && bIsAutoCompleteEnabled )
     {
-        if ( pCtx )
+        if ( pCtx.is() )
         {
             pCtx->Stop();
-            pCtx = NULL;
+            pCtx->join();
+            pCtx.clear();
         }
         pCtx = new SvtMatchContext_Impl( this, aCurText );
+        pCtx->launch();
     }
 }
 
 //-------------------------------------------------------------------------
 SvtURLBox::SvtURLBox( Window* pParent, INetProtocol eSmart )
     :   ComboBox( pParent , WB_DROPDOWN | WB_AUTOSIZE | WB_AUTOHSCROLL ),
-        pCtx( 0 ),
         eSmartProtocol( eSmart ),
         bAutoCompleteMode( sal_False ),
         bOnlyDirectories( sal_False ),
@@ -783,7 +773,6 @@ SvtURLBox::SvtURLBox( Window* pParent, INetProtocol eSmart )
 //-------------------------------------------------------------------------
 SvtURLBox::SvtURLBox( Window* pParent, WinBits _nStyle, INetProtocol eSmart )
     :   ComboBox( pParent, _nStyle ),
-        pCtx( 0 ),
         eSmartProtocol( eSmart ),
         bAutoCompleteMode( sal_False ),
         bOnlyDirectories( sal_False ),
@@ -799,7 +788,6 @@ SvtURLBox::SvtURLBox( Window* pParent, WinBits _nStyle, INetProtocol eSmart )
 //-------------------------------------------------------------------------
 SvtURLBox::SvtURLBox( Window* pParent, const ResId& _rResId, INetProtocol eSmart )
     :   ComboBox( pParent , _rResId ),
-        pCtx( 0 ),
         eSmartProtocol( eSmart ),
         bAutoCompleteMode( sal_False ),
         bOnlyDirectories( sal_False ),
@@ -828,10 +816,10 @@ void SvtURLBox::ImplInit()
 
 SvtURLBox::~SvtURLBox()
 {
-    if( pCtx )
+    if( pCtx.is() )
     {
         pCtx->Stop();
-        pCtx = NULL;
+        pCtx->join();
     }
 
     delete pImp;
@@ -839,15 +827,19 @@ SvtURLBox::~SvtURLBox()
 
 void SvtURLBox::UpdatePickList( )
 {
-    if( pCtx )
+    if( pCtx.is() )
     {
         pCtx->Stop();
-        pCtx = NULL;
+        pCtx->join();
+        pCtx.clear();
     }
 
     String sText = GetText();
     if ( sText.Len() && bIsAutoCompleteEnabled )
+    {
         pCtx = new SvtMatchContext_Impl( this, sText );
+        pCtx->launch();
+    }
 }
 
 void SvtURLBox::SetSmartProtocol( INetProtocol eProt )
@@ -927,10 +919,11 @@ void SvtURLBox::UpdatePicklistForSmartProtocol_Impl()
 sal_Bool SvtURLBox::ProcessKey( const KeyCode& rKey )
 {
     // every key input stops the current matching thread
-    if( pCtx )
+    if( pCtx.is() )
     {
         pCtx->Stop();
-        pCtx = NULL;
+        pCtx->join();
+        pCtx.clear();
     }
 
     KeyCode aCode( rKey.GetCode() );
@@ -1068,10 +1061,11 @@ long SvtURLBox::Notify( NotifyEvent &rEvt )
     {
         if( !GetText().Len() )
             ClearModifyFlag();
-        if ( pCtx )
+        if ( pCtx.is() )
         {
             pCtx->Stop();
-            pCtx = NULL;
+            pCtx->join();
+            pCtx.clear();
         }
     }