[Libreoffice-commits] core.git: slideshow/source

Daniel Robertson danlrobertson89 at gmail.com
Sat Oct 10 23:13:37 PDT 2015


 slideshow/source/engine/shapes/shapeimporter.cxx               |    7 
 slideshow/source/engine/shapes/viewshape.cxx                   |   10 -
 slideshow/source/engine/slide/layermanager.cxx                 |   46 ++----
 slideshow/source/engine/slide/targetpropertiescreator.cxx      |   16 --
 slideshow/source/engine/slideshowimpl.cxx                      |   48 ++----
 slideshow/source/engine/slideview.cxx                          |   22 ---
 slideshow/source/engine/transitions/slidechangebase.cxx        |   10 -
 slideshow/source/engine/transitions/slidetransitionfactory.cxx |   73 +++-------
 slideshow/source/engine/waitsymbol.cxx                         |   23 +--
 slideshow/source/inc/listenercontainer.hxx                     |   34 +---
 10 files changed, 94 insertions(+), 195 deletions(-)

New commits:
commit b6297280853a7325ac0fa226b783652b22daebd0
Author: Daniel Robertson <danlrobertson89 at gmail.com>
Date:   Fri Oct 9 09:21:20 2015 -0400

    Replace simple while loops with range-based for
    
    Replace simple while loops with range-based for-loops when apropriate.
    There should be no side effects due to this change.
    
    Change-Id: I0c39d4c10c991354248e864a09333144974c953c
    Reviewed-on: https://gerrit.libreoffice.org/19281
    Reviewed-by: Noel Grandin <noelgrandin at gmail.com>
    Tested-by: Noel Grandin <noelgrandin at gmail.com>

diff --git a/slideshow/source/engine/shapes/shapeimporter.cxx b/slideshow/source/engine/shapes/shapeimporter.cxx
index c92e27a..21322f6 100644
--- a/slideshow/source/engine/shapes/shapeimporter.cxx
+++ b/slideshow/source/engine/shapes/shapeimporter.cxx
@@ -490,12 +490,10 @@ void ShapeImporter::importPolygons(uno::Reference<beans::XPropertySet> const& xP
         aPoint.setY((*pInnerSequence).Y);
         aPoly.append( aPoint );
     }
-    UnoViewVector::const_iterator aIter=(mrContext.mrViewContainer).begin();
-    UnoViewVector::const_iterator aEnd=(mrContext.mrViewContainer).end();
-    while(aIter != aEnd)
+    for( const auto& pView : mrContext.mrViewContainer )
     {
         ::cppcanvas::PolyPolygonSharedPtr pPolyPoly(
-            ::cppcanvas::BaseGfxFactory::createPolyPolygon( (*aIter)->getCanvas(),
+            ::cppcanvas::BaseGfxFactory::createPolyPolygon( pView->getCanvas(),
                                                             aPoly ) );
         if( pPolyPoly )
         {
@@ -504,7 +502,6 @@ void ShapeImporter::importPolygons(uno::Reference<beans::XPropertySet> const& xP
                 pPolyPoly->draw();
                 maPolygons.push_back(pPolyPoly);
         }
-        ++aIter;
     }
 }
 
diff --git a/slideshow/source/engine/shapes/viewshape.cxx b/slideshow/source/engine/shapes/viewshape.cxx
index 9847882..05507e5 100644
--- a/slideshow/source/engine/shapes/viewshape.cxx
+++ b/slideshow/source/engine/shapes/viewshape.cxx
@@ -231,15 +231,11 @@ namespace slideshow
 
 
                 bool bRet(true);
-                VectorOfDocTreeNodes::const_iterator        aIter( rSubsets.begin() );
-                const VectorOfDocTreeNodes::const_iterator  aEnd ( rSubsets.end() );
-                while( aIter != aEnd )
+                for( const auto& rSubset : rSubsets )
                 {
-                    if( !pRenderer->drawSubset( aIter->getStartIndex(),
-                                                aIter->getEndIndex() ) )
+                    if( !pRenderer->drawSubset( rSubset.getStartIndex(),
+                                                rSubset.getEndIndex() ) )
                         bRet = false;
-
-                    ++aIter;
                 }
 
                 return bRet;
diff --git a/slideshow/source/engine/slide/layermanager.cxx b/slideshow/source/engine/slide/layermanager.cxx
index aa555a8..3dbb554 100644
--- a/slideshow/source/engine/slide/layermanager.cxx
+++ b/slideshow/source/engine/slide/layermanager.cxx
@@ -53,11 +53,9 @@ namespace slideshow
         {
             LayerSharedPtr                      pCurrLayer;
             ViewLayerSharedPtr                  pCurrViewLayer;
-            LayerShapeMap::const_iterator       aIter( maAllShapes.begin() );
-            const LayerShapeMap::const_iterator aEnd ( maAllShapes.end() );
-            while( aIter != aEnd )
+            for( const auto& rShape : maAllShapes )
             {
-                LayerSharedPtr pLayer = aIter->second.lock();
+                LayerSharedPtr pLayer = rShape.second.lock();
                 if( pLayer && pLayer != pCurrLayer )
                 {
                     pCurrLayer = pLayer;
@@ -65,9 +63,7 @@ namespace slideshow
                 }
 
                 if( pCurrViewLayer )
-                    shapeFunc(aIter->first,pCurrViewLayer);
-
-                ++aIter;
+                    shapeFunc(rShape.first,pCurrViewLayer);
             }
         }
 
@@ -470,16 +466,14 @@ namespace slideshow
             // send update() calls to every shape in the
             // maUpdateShapes set, which is _animated_ (i.e. a
             // sprite).
-            const ShapeUpdateSet::const_iterator aEnd=maUpdateShapes.end();
-            ShapeUpdateSet::const_iterator       aCurrShape=maUpdateShapes.begin();
-            while( aCurrShape != aEnd )
+            for( const auto& pShape : maUpdateShapes )
             {
-                if( (*aCurrShape)->isBackgroundDetached() )
+                if( pShape->isBackgroundDetached() )
                 {
                     // can update shape directly, without
                     // affecting layer content (shape is
                     // currently displayed in a sprite)
-                    if( !(*aCurrShape)->update() )
+                    if( !pShape->update() )
                         bRet = false; // delay error exit
                 }
                 else
@@ -492,10 +486,8 @@ namespace slideshow
                     // cannot update shape directly, it's not
                     // animated and update() calls will prolly
                     // overwrite other page content.
-                    addUpdateArea( *aCurrShape );
+                    addUpdateArea( pShape );
                 }
-
-                ++aCurrShape;
             }
 
             maUpdateShapes.clear();
@@ -528,11 +520,9 @@ namespace slideshow
             bool                                bIsCurrLayerUpdating(false);
             Layer::EndUpdater                   aEndUpdater;
             LayerSharedPtr                      pCurrLayer;
-            LayerShapeMap::const_iterator       aIter( maAllShapes.begin() );
-            const LayerShapeMap::const_iterator aEnd ( maAllShapes.end() );
-            while( aIter != aEnd )
+            for( const auto& rShape : maAllShapes )
             {
-                LayerSharedPtr pLayer = aIter->second.lock();
+                LayerSharedPtr pLayer = rShape.second.lock();
                 if( pLayer != pCurrLayer )
                 {
                     pCurrLayer = pLayer;
@@ -543,14 +533,12 @@ namespace slideshow
                 }
 
                 if( bIsCurrLayerUpdating &&
-                    !aIter->first->isBackgroundDetached() &&
-                    pCurrLayer->isInsideUpdateArea(aIter->first) )
+                    !rShape.first->isBackgroundDetached() &&
+                    pCurrLayer->isInsideUpdateArea(rShape.first) )
                 {
-                    if( !aIter->first->render() )
+                    if( !rShape.first->render() )
                         bRet = false;
                 }
-
-                ++aIter;
             }
 
             return bRet;
@@ -639,9 +627,7 @@ namespace slideshow
             bool bRet( true );
             ViewLayerSharedPtr pTmpLayer( new DummyLayer( rTargetCanvas ) );
 
-            LayerShapeMap::const_iterator       aIter( maAllShapes.begin() );
-            const LayerShapeMap::const_iterator aEnd ( maAllShapes.end() );
-            while( aIter != aEnd )
+            for( const auto& rShape : maAllShapes )
             {
                 try
                 {
@@ -650,11 +636,11 @@ namespace slideshow
                     // ViewLayer. Since we add the shapes in the
                     // maShapeSet order (which is also the render order),
                     // this is equivalent to a subsequent render() call)
-                    aIter->first->addViewLayer( pTmpLayer,
+                    rShape.first->addViewLayer( pTmpLayer,
                                                 true );
 
                     // and remove again, this is only temporary
-                    aIter->first->removeViewLayer( pTmpLayer );
+                    rShape.first->removeViewLayer( pTmpLayer );
                 }
                 catch( uno::Exception& )
                 {
@@ -667,8 +653,6 @@ namespace slideshow
                     // at least one shape could not be rendered
                     bRet = false;
                 }
-
-                ++aIter;
             }
 
             return bRet;
diff --git a/slideshow/source/engine/slide/targetpropertiescreator.cxx b/slideshow/source/engine/slide/targetpropertiescreator.cxx
index d1877c6..5e44c83 100644
--- a/slideshow/source/engine/slide/targetpropertiescreator.cxx
+++ b/slideshow/source/engine/slide/targetpropertiescreator.cxx
@@ -332,27 +332,23 @@ namespace internal
         uno::Sequence< animations::TargetProperties > aRes( aShapeHash.size() );
 
         ::std::size_t                       nCurrIndex(0);
-        XShapeHash::const_iterator          aCurr( aShapeHash.begin() );
-        const XShapeHash::const_iterator    aEnd ( aShapeHash.end()   );
-        while( aCurr != aEnd )
+        for( const auto& rIter : aShapeHash )
         {
             animations::TargetProperties& rCurrProps( aRes[ nCurrIndex++ ] );
 
-            if( aCurr->first.mnParagraphIndex == -1 )
+            if( rIter.first.mnParagraphIndex == -1 )
             {
-                rCurrProps.Target = uno::makeAny( aCurr->first.mxRef );
+                rCurrProps.Target = uno::makeAny( rIter.first.mxRef );
             }
             else
             {
                 rCurrProps.Target = uno::makeAny(
                     presentation::ParagraphTarget(
-                        aCurr->first.mxRef,
-                        aCurr->first.mnParagraphIndex ) );
+                        rIter.first.mxRef,
+                        rIter.first.mnParagraphIndex ) );
             }
 
-            rCurrProps.Properties = ::comphelper::containerToSequence( aCurr->second );
-
-            ++aCurr;
+            rCurrProps.Properties = ::comphelper::containerToSequence( rIter.second );
         }
 
         return aRes;
diff --git a/slideshow/source/engine/slideshowimpl.cxx b/slideshow/source/engine/slideshowimpl.cxx
index 45befe0..2144d33 100644
--- a/slideshow/source/engine/slideshowimpl.cxx
+++ b/slideshow/source/engine/slideshowimpl.cxx
@@ -885,18 +885,14 @@ ActivitySharedPtr SlideShowImpl::createSlideTransition(
 PolygonMap::iterator SlideShowImpl::findPolygons( uno::Reference<drawing::XDrawPage> const& xDrawPage)
 {
     // TODO(P2) : Optimze research in the map.
-    bool bFound = false;
-    PolygonMap::iterator aIter=maPolygons.begin();
-
-    while(aIter!=maPolygons.end() && !bFound)
-    {
-        if(aIter->first == xDrawPage)
-            bFound = true;
-        else
-            ++aIter;
-    }
-
-    return aIter;
+    PolygonMap::iterator aEnd = maPolygons.end();
+    for( PolygonMap::iterator aIter = maPolygons.begin();
+         aIter != aEnd;
+         ++aIter )
+        if( aIter->first == xDrawPage )
+            return aIter;
+
+    return aEnd;
 }
 
 SlideSharedPtr SlideShowImpl::makeSlide(
@@ -1444,25 +1440,16 @@ void SlideShowImpl::registerUserPaintPolygons( const uno::Reference< lang::XMult
     aPropLayer <<= false;
     xLayerPropSet->setPropertyValue("IsLocked", aPropLayer);
 
-    PolygonMap::iterator aIter=maPolygons.begin();
-
-    PolyPolygonVector aPolygons;
-    ::cppcanvas::PolyPolygonSharedPtr pPolyPoly;
-    ::basegfx::B2DPolyPolygon b2DPolyPoly;
-
     //Register polygons for each slide
-    while(aIter!=maPolygons.end())
+    for( const auto& rPoly : maPolygons )
     {
-        aPolygons = aIter->second;
+        PolyPolygonVector aPolygons = rPoly.second;
         //Get shapes for the slide
-        ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes > Shapes(aIter->first, ::com::sun::star::uno::UNO_QUERY);
+        ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShapes > Shapes(rPoly.first, ::com::sun::star::uno::UNO_QUERY);
         //Retrieve polygons for one slide
-        for( PolyPolygonVector::iterator aIterPoly=aPolygons.begin(),
-                 aEnd=aPolygons.end();
-             aIterPoly!=aEnd; ++aIterPoly )
+        for( const auto pPolyPoly : aPolygons )
         {
-            pPolyPoly = (*aIterPoly);
-            b2DPolyPoly = ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(pPolyPoly->getUNOPolyPolygon());
+            ::basegfx::B2DPolyPolygon b2DPolyPoly = ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(pPolyPoly->getUNOPolyPolygon());
 
             //Normally there is only one polygon
             for(sal_uInt32 i=0; i< b2DPolyPoly.count();i++)
@@ -1531,7 +1518,6 @@ void SlideShowImpl::registerUserPaintPolygons( const uno::Reference< lang::XMult
                 }
             }
         }
-        ++aIter;
     }
 }
 
@@ -2113,13 +2099,11 @@ sal_Bool SlideShowImpl::update( double & nNextTimeout )
             (!bRet ||
              nNextTimeout > 1.0) )
         {
-            UnoViewVector::const_iterator       aCurr(maViewContainer.begin());
-            const UnoViewVector::const_iterator aEnd(maViewContainer.end());
-            while( aCurr != aEnd )
+            for( const auto& pView : maViewContainer )
             {
                 try
                 {
-                    uno::Reference< presentation::XSlideShowView > xView( (*aCurr)->getUnoView(),
+                    uno::Reference< presentation::XSlideShowView > xView( pView->getUnoView(),
                                                                           uno::UNO_QUERY_THROW );
                     uno::Reference< util::XUpdatable >             xUpdatable( xView->getCanvas(),
                                                                                uno::UNO_QUERY_THROW );
@@ -2135,8 +2119,6 @@ sal_Bool SlideShowImpl::update( double & nNextTimeout )
                                     comphelper::anyToString( cppu::getCaughtException() ),
                                     RTL_TEXTENCODING_UTF8 ).getStr() );
                 }
-
-                ++aCurr;
             }
 
             mbSlideShowIdle = true;
diff --git a/slideshow/source/engine/slideview.cxx b/slideshow/source/engine/slideview.cxx
index b175598..236f3a5 100644
--- a/slideshow/source/engine/slideview.cxx
+++ b/slideshow/source/engine/slideview.cxx
@@ -283,23 +283,19 @@ class LayerSpriteContainer
         SpriteVector aValidSprites;
 
         // check all sprites for validity and set new priority
-        SpriteVector::iterator       aCurrSprite( maSprites.begin() );
-        const SpriteVector::iterator aEnd( maSprites.end() );
-        while( aCurrSprite != aEnd )
+        for( const auto& rSprite : maSprites )
         {
-            cppcanvas::CustomSpriteSharedPtr pCurrSprite( aCurrSprite->mpSprite.lock() );
+            cppcanvas::CustomSpriteSharedPtr pCurrSprite( rSprite.mpSprite.lock() );
 
             if( pCurrSprite )
             {
                 // only copy still valid sprites over to the refreshed
                 // sprite vector.
-                aValidSprites.push_back( *aCurrSprite );
+                aValidSprites.push_back( rSprite );
 
                 pCurrSprite->setPriority(
                     getSpritePriority( aValidSprites.size()-1 ));
             }
-
-            ++aCurrSprite;
         }
 
         // replace sprite list with pruned one
@@ -1173,22 +1169,18 @@ void SlideView::pruneLayers( bool bWithViewLayerUpdate ) const
         getTransformation() );
 
     // check all layers for validity, and retain only the live ones
-    ViewLayerVector::const_iterator       aCurr( maViewLayers.begin() );
-    const ViewLayerVector::const_iterator aEnd( maViewLayers.end() );
-    while( aCurr != aEnd )
+    for( const auto& rView : maViewLayers )
     {
-        std::shared_ptr< SlideViewLayer > xCurrLayer( aCurr->lock() );
+        std::shared_ptr< SlideViewLayer > xCurrLayer( rView.lock() );
 
-        if (xCurrLayer)
+        if ( xCurrLayer )
         {
-            aValidLayers.push_back(xCurrLayer);
+            aValidLayers.push_back( xCurrLayer );
 
             if( bWithViewLayerUpdate )
                 xCurrLayer->updateView( rCurrTransform,
                                         maUserSize );
         }
-
-        ++aCurr;
     }
 
     // replace layer list with pruned one
diff --git a/slideshow/source/engine/transitions/slidechangebase.cxx b/slideshow/source/engine/transitions/slidechangebase.cxx
index cba1093..941d0ab 100644
--- a/slideshow/source/engine/transitions/slidechangebase.cxx
+++ b/slideshow/source/engine/transitions/slidechangebase.cxx
@@ -453,16 +453,12 @@ void SlideChangeBase::viewsChanged()
     if( mbFinished )
         return;
 
-    ViewsVecT::iterator       aIter( maViewData.begin() );
-    ViewsVecT::iterator const aEnd ( maViewData.end() );
-    while( aIter != aEnd )
+    for( auto& pView : maViewData )
     {
         // clear stale info (both bitmaps and sprites prolly need a
         // resize)
-        clearViewEntry( *aIter );
-        addSprites( *aIter );
-
-        ++aIter;
+        clearViewEntry( pView );
+        addSprites( pView );
     }
 }
 
diff --git a/slideshow/source/engine/transitions/slidetransitionfactory.cxx b/slideshow/source/engine/transitions/slidetransitionfactory.cxx
index 3c894e3..6e991ad 100644
--- a/slideshow/source/engine/transitions/slidetransitionfactory.cxx
+++ b/slideshow/source/engine/transitions/slidetransitionfactory.cxx
@@ -141,16 +141,13 @@ public:
         mxFactory( xFactory )
     {
         // create one transition per view
-        UnoViewVector::const_iterator aCurrView (rViewContainer.begin());
-        const UnoViewVector::const_iterator aEnd(rViewContainer.end());
-        while( aCurrView != aEnd )
+        for( const auto& rView : rViewContainer )
         {
-            if(! addTransition( *aCurrView ) )
+            if( !addTransition( rView ) )
                 return;
 
             ENSURE_OR_THROW(maTransitions.back() && maTransitions.back()->mxTransition.is(),
                             "Failed to create plugin transition");
-            ++aCurrView;
         }
         mbSuccess = true;
     }
@@ -159,13 +156,11 @@ public:
     {
         mxFactory.clear();
 
-        ::std::vector< TransitionViewPair* >::const_iterator aCurrView (maTransitions.begin());
-        ::std::vector< TransitionViewPair* >::const_iterator aEnd(maTransitions.end());
-        while( aCurrView != aEnd )
+        for( const auto& pCurrView : maTransitions )
         {
-            delete (*aCurrView);
-            ++aCurrView;
+            delete pCurrView;
         }
+
         maTransitions.clear();
     }
 
@@ -204,24 +199,14 @@ public:
         OSL_TRACE("PluginSlideChange viewAdded");
         SlideChangeBase::viewAdded( rView );
 
-        ::std::vector< TransitionViewPair* >::const_iterator aCurrView (maTransitions.begin());
-        ::std::vector< TransitionViewPair* >::const_iterator aEnd(maTransitions.end());
-        bool bKnown = false;
-        while( aCurrView != aEnd )
+        for( const auto& pCurrView : maTransitions )
         {
-            if( (*aCurrView)->mpView == rView )
-            {
-                bKnown = true;
-                break;
-            }
-            ++aCurrView;
+            if( pCurrView->mpView == rView )
+                return;
         }
 
-        if( !bKnown )
-        {
-            OSL_TRACE("need to be added");
-            addTransition( rView );
-        }
+        OSL_TRACE( "need to be added" );
+        addTransition( rView );
     }
 
     virtual void viewRemoved( const UnoViewSharedPtr& rView ) SAL_OVERRIDE
@@ -229,18 +214,18 @@ public:
         OSL_TRACE("PluginSlideChange viewRemoved");
         SlideChangeBase::viewRemoved( rView );
 
-        ::std::vector< TransitionViewPair* >::iterator aCurrView (maTransitions.begin());
         ::std::vector< TransitionViewPair* >::const_iterator aEnd(maTransitions.end());
-        while( aCurrView != aEnd )
+        for( ::std::vector< TransitionViewPair* >::iterator aIter =maTransitions.begin();
+             aIter != aEnd;
+             ++aIter )
         {
-            if( (*aCurrView)->mpView == rView )
+            if( ( *aIter )->mpView == rView )
             {
                 OSL_TRACE( "view removed" );
-                delete (*aCurrView);
-                maTransitions.erase( aCurrView );
+                delete ( *aIter );
+                maTransitions.erase( aIter );
                 break;
             }
-            ++aCurrView;
         }
     }
 
@@ -249,21 +234,17 @@ public:
         OSL_TRACE("PluginSlideChange viewChanged");
         SlideChangeBase::viewChanged( rView );
 
-        ::std::vector< TransitionViewPair* >::const_iterator aCurrView (maTransitions.begin());
-        ::std::vector< TransitionViewPair* >::const_iterator aEnd(maTransitions.end());
-        while( aCurrView != aEnd )
+        for( const auto& pCurrView : maTransitions )
         {
-            if( (*aCurrView)->mpView == rView )
+            if( pCurrView->mpView == rView )
             {
                 OSL_TRACE( "view changed" );
-                (*aCurrView)->mxTransition->viewChanged( rView->getUnoView(),
-                                                         getLeavingBitmap(ViewEntry(rView))->getXBitmap(),
-                                                         getEnteringBitmap(ViewEntry(rView))->getXBitmap() );
+                pCurrView->mxTransition->viewChanged( rView->getUnoView(),
+                                                      getLeavingBitmap(ViewEntry(rView))->getXBitmap(),
+                                                      getEnteringBitmap(ViewEntry(rView))->getXBitmap() );
             }
             else
                 OSL_TRACE( "view did not changed" );
-
-            ++aCurrView;
         }
     }
 
@@ -272,15 +253,13 @@ public:
         OSL_TRACE("PluginSlideChange viewsChanged");
         SlideChangeBase::viewsChanged();
 
-        ::std::vector< TransitionViewPair* >::const_iterator aCurrView (maTransitions.begin());
-        ::std::vector< TransitionViewPair* >::const_iterator aEnd(maTransitions.end());
-        while( aCurrView != aEnd )
+        for( const auto& pCurrView : maTransitions )
         {
             OSL_TRACE( "view changed" );
-            (*aCurrView)->mxTransition->viewChanged( (*aCurrView)->mpView->getUnoView(),
-                                                     getLeavingBitmap(ViewEntry((*aCurrView)->mpView))->getXBitmap(),
-                                                     getEnteringBitmap(ViewEntry((*aCurrView)->mpView))->getXBitmap() );
-            ++aCurrView;
+            UnoViewSharedPtr pView = pCurrView->mpView;
+            pCurrView->mxTransition->viewChanged( pView->getUnoView(),
+                                                  getLeavingBitmap(ViewEntry(pView))->getXBitmap(),
+                                                  getEnteringBitmap(ViewEntry(pView))->getXBitmap() );
         }
     }
 
diff --git a/slideshow/source/engine/waitsymbol.cxx b/slideshow/source/engine/waitsymbol.cxx
index ab3dbbf..5e4209ab 100644
--- a/slideshow/source/engine/waitsymbol.cxx
+++ b/slideshow/source/engine/waitsymbol.cxx
@@ -77,19 +77,15 @@ void WaitSymbol::setVisible( const bool bVisible )
     {
         mbVisible = bVisible;
 
-        ViewsVecT::const_iterator       aIter( maViews.begin() );
-        ViewsVecT::const_iterator const aEnd ( maViews.end() );
-        while( aIter != aEnd )
+        for( const auto& rView : maViews )
         {
-            if( aIter->second )
+            if( rView.second )
             {
                 if( bVisible )
-                    aIter->second->show();
+                    rView.second->show();
                 else
-                    aIter->second->hide();
+                    rView.second->hide();
             }
-
-            ++aIter;
         }
 
         // sprites changed, need a screen update for this frame.
@@ -176,14 +172,11 @@ void WaitSymbol::viewChanged( const UnoViewSharedPtr& rView )
 void WaitSymbol::viewsChanged()
 {
     // reposition sprites on all views
-    ViewsVecT::const_iterator       aIter( maViews.begin() );
-    ViewsVecT::const_iterator const aEnd ( maViews.end() );
-    while( aIter != aEnd )
+    for( const auto& rView : maViews )
     {
-        if( aIter->second )
-            aIter->second->movePixel(
-                calcSpritePos( aIter->first ));
-        ++aIter;
+        if( rView.second )
+            rView.second->movePixel(
+                calcSpritePos( rView.first ) );
     }
 }
 
diff --git a/slideshow/source/inc/listenercontainer.hxx b/slideshow/source/inc/listenercontainer.hxx
index 8317ac9..4d45dba 100644
--- a/slideshow/source/inc/listenercontainer.hxx
+++ b/slideshow/source/inc/listenercontainer.hxx
@@ -102,19 +102,15 @@ template< typename ListenerT > struct ListenerOperations
                                     FuncT       func )
     {
         bool bRet(false);
-        typename ContainerT::const_iterator       aCurr( rContainer.begin() );
-        typename ContainerT::const_iterator const aEnd ( rContainer.end() );
-        while( aCurr != aEnd )
+        for( const auto& rCurr : rContainer )
         {
             if( FunctionApply< typename FuncT::result_type,
                                typename ContainerT::value_type >::apply(
                                    func,
-                                   *aCurr) )
+                                   rCurr) )
             {
                 bRet = true;
             }
-
-            ++aCurr;
         }
 
         // true: at least one handler returned true
@@ -137,16 +133,12 @@ struct ListenerOperations< boost::weak_ptr<ListenerTargetT> >
     static bool notifySingleListener( ContainerT& rContainer,
                                       FuncT       func )
     {
-        typename ContainerT::const_iterator       aCurr( rContainer.begin() );
-        typename ContainerT::const_iterator const aEnd ( rContainer.end() );
-        while( aCurr != aEnd )
+        for( const auto& rCurr : rContainer )
         {
-            boost::shared_ptr<ListenerTargetT> pListener( aCurr->lock() );
+            boost::shared_ptr<ListenerTargetT> pListener( rCurr.lock() );
 
             if( pListener && func(pListener) )
                 return true;
-
-            ++aCurr;
         }
 
         return false;
@@ -158,11 +150,9 @@ struct ListenerOperations< boost::weak_ptr<ListenerTargetT> >
                                     FuncT       func )
     {
         bool bRet(false);
-        typename ContainerT::const_iterator       aCurr( rContainer.begin() );
-        typename ContainerT::const_iterator const aEnd ( rContainer.end() );
-        while( aCurr != aEnd )
+        for( const auto& rCurr : rContainer )
         {
-            boost::shared_ptr<ListenerTargetT> pListener( aCurr->lock() );
+            boost::shared_ptr<ListenerTargetT> pListener( rCurr.lock() );
 
             if( pListener.get() &&
                 FunctionApply< typename FuncT::result_type,
@@ -170,8 +160,6 @@ struct ListenerOperations< boost::weak_ptr<ListenerTargetT> >
             {
                 bRet = true;
             }
-
-            ++aCurr;
         }
 
         return bRet;
@@ -186,14 +174,10 @@ struct ListenerOperations< boost::weak_ptr<ListenerTargetT> >
         ContainerT aAliveListeners;
         aAliveListeners.reserve(rContainer.size());
 
-        typename ContainerT::const_iterator       aCurr( rContainer.begin() );
-        typename ContainerT::const_iterator const aEnd ( rContainer.end() );
-        while( aCurr != aEnd )
+        for( const auto& rCurr : rContainer )
         {
-            if( !aCurr->expired() )
-                aAliveListeners.push_back( *aCurr );
-
-            ++aCurr;
+            if( !rCurr.expired() )
+                aAliveListeners.push_back( rCurr );
         }
 
         std::swap( rContainer, aAliveListeners );


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