cppcheck: noExplicitConstructor

Change-Id: Ibb94d40706fced3c1c053fd58ef4e2af2d849587

21 files changed, 39 insertions, 39 deletions

diff --git a/sdext/source/minimizer/fileopendialog.hxx b/sdext/source/minimizer/fileopendialog.hxx
index 78f835f5913e..4292d2ebb0e9 100644
--- a/sdext/source/minimizer/fileopendialog.hxx
+++ b/sdext/source/minimizer/fileopendialog.hxx
@@ -47,7 +47,7 @@ class FileOpenDialog
     std::vector< FilterEntry > aFilterEntryList;
 
 public:
-        FileOpenDialog( const css::uno::Reference< css::uno::XComponentContext >& rxContext );
+        explicit FileOpenDialog( const css::uno::Reference< css::uno::XComponentContext >& rxContext );
         ~FileOpenDialog();
 
         sal_Int16 execute();
diff --git a/sdext/source/minimizer/graphiccollector.hxx b/sdext/source/minimizer/graphiccollector.hxx
index 70dfcded9644..7293a5084e52 100644
--- a/sdext/source/minimizer/graphiccollector.hxx
+++ b/sdext/source/minimizer/graphiccollector.hxx
@@ -73,7 +73,7 @@ class GraphicCollector
         css::text::GraphicCrop                      maGraphicCropLogic;
         std::vector< GraphicUser >                      maUser;
 
-        GraphicEntity( const GraphicUser& rUser )
+        explicit GraphicEntity( const GraphicUser& rUser )
             : maLogicalSize( rUser.maLogicalSize ), mbRemoveCropArea( false ), maGraphicCropLogic( 0, 0, 0, 0 ) { maUser.push_back( rUser ); };
     };
 
diff --git a/sdext/source/minimizer/informationdialog.hxx b/sdext/source/minimizer/informationdialog.hxx
index 0e824f016c29..174b603cccee 100644
--- a/sdext/source/minimizer/informationdialog.hxx
+++ b/sdext/source/minimizer/informationdialog.hxx
@@ -73,7 +73,7 @@ private:
 class OKActionListener : public ::cppu::WeakImplHelper< css::awt::XActionListener >
 {
 public:
-    OKActionListener( InformationDialog& rInformationDialog ) : mrInformationDialog( rInformationDialog ){};
+    explicit OKActionListener( InformationDialog& rInformationDialog ) : mrInformationDialog( rInformationDialog ){}
 
     virtual void SAL_CALL actionPerformed( const css::awt::ActionEvent& Event ) throw ( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) throw ( css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
diff --git a/sdext/source/minimizer/optimizerdialog.hxx b/sdext/source/minimizer/optimizerdialog.hxx
index acd1b8a9414a..a88e0cc7f673 100644
--- a/sdext/source/minimizer/optimizerdialog.hxx
+++ b/sdext/source/minimizer/optimizerdialog.hxx
@@ -131,7 +131,7 @@ public:
 class ItemListener : public ::cppu::WeakImplHelper< css::awt::XItemListener >
 {
 public:
-    ItemListener( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){};
+    explicit ItemListener( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){}
 
     virtual void SAL_CALL itemStateChanged( const css::awt::ItemEvent& Event ) throw ( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) throw ( css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
@@ -145,7 +145,7 @@ private:
 class ActionListener : public ::cppu::WeakImplHelper< css::awt::XActionListener >
 {
 public:
-    ActionListener( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){};
+    explicit ActionListener( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){}
 
     virtual void SAL_CALL actionPerformed( const css::awt::ActionEvent& Event ) throw ( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) throw ( css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
@@ -159,7 +159,7 @@ private:
 class ActionListenerListBox0Pg0 : public ::cppu::WeakImplHelper< css::awt::XActionListener >
 {
 public:
-    ActionListenerListBox0Pg0( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){};
+    explicit ActionListenerListBox0Pg0( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){}
 
     virtual void SAL_CALL actionPerformed( const css::awt::ActionEvent& Event ) throw ( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) throw ( css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
@@ -173,7 +173,7 @@ private:
 class TextListenerFormattedField0Pg1 : public ::cppu::WeakImplHelper< css::awt::XTextListener >
 {
 public:
-    TextListenerFormattedField0Pg1( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){};
+    explicit TextListenerFormattedField0Pg1( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){}
 
     virtual void SAL_CALL textChanged( const css::awt::TextEvent& Event ) throw ( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) throw ( css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
@@ -187,7 +187,7 @@ private:
 class TextListenerComboBox0Pg1 : public ::cppu::WeakImplHelper< css::awt::XTextListener >
 {
 public:
-    TextListenerComboBox0Pg1( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){};
+    explicit TextListenerComboBox0Pg1( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){}
 
     virtual void SAL_CALL textChanged( const css::awt::TextEvent& Event ) throw ( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
     virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) throw ( css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
@@ -201,7 +201,7 @@ private:
 class SpinListenerFormattedField0Pg1 : public ::cppu::WeakImplHelper< css::awt::XSpinListener >
 {
 public:
-    SpinListenerFormattedField0Pg1( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){};
+    explicit SpinListenerFormattedField0Pg1( OptimizerDialog& rOptimizerDialog ) : mrOptimizerDialog( rOptimizerDialog ){}
 
     virtual void SAL_CALL up( const css::awt::SpinEvent& Event ) throw ( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
     virtual void SAL_CALL down( const css::awt::SpinEvent& Event ) throw ( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
diff --git a/sdext/source/minimizer/pppoptimizerdialog.hxx b/sdext/source/minimizer/pppoptimizerdialog.hxx
index a4594b5949b1..e595dc962de0 100644
--- a/sdext/source/minimizer/pppoptimizerdialog.hxx
+++ b/sdext/source/minimizer/pppoptimizerdialog.hxx
@@ -53,7 +53,7 @@ class PPPOptimizerDialog : public   ::cppu::WeakImplHelper<
 
 public:
 
-    PPPOptimizerDialog( const css::uno::Reference< css::uno::XComponentContext >& xContext );
+    explicit PPPOptimizerDialog( const css::uno::Reference< css::uno::XComponentContext >& xContext );
     virtual ~PPPOptimizerDialog();
 
     // XInitialization
diff --git a/sdext/source/pdfimport/inc/pdfparse.hxx b/sdext/source/pdfimport/inc/pdfparse.hxx
index 192f606a7d3c..d1909e7e2294 100644
--- a/sdext/source/pdfimport/inc/pdfparse.hxx
+++ b/sdext/source/pdfimport/inc/pdfparse.hxx
@@ -40,7 +40,7 @@ public:
     virtual bool copyOrigBytes( unsigned int nOrigOffset, unsigned int nLen ) = 0;
     virtual unsigned int readOrigBytes( unsigned int nOrigOffset, unsigned int nLen, void* pBuf ) = 0;
 
-    EmitContext( const PDFContainer* pTop = NULL );
+    explicit EmitContext( const PDFContainer* pTop = NULL );
     virtual ~EmitContext();
 
     // set this to deflate contained streams
@@ -70,7 +70,7 @@ struct PDFComment : public PDFEntry
 {
     OString  m_aComment;
 
-    PDFComment( const OString& rComment )
+    explicit PDFComment( const OString& rComment )
     : PDFEntry(), m_aComment( rComment ) {}
     virtual ~PDFComment();
     virtual bool emit( EmitContext& rWriteContext ) const SAL_OVERRIDE;
@@ -88,7 +88,7 @@ struct PDFName : public PDFValue
 {
     OString  m_aName;
 
-    PDFName( const OString& rName )
+    explicit PDFName( const OString& rName )
     : PDFValue(), m_aName( rName ) {}
     virtual ~PDFName();
     virtual bool emit( EmitContext& rWriteContext ) const SAL_OVERRIDE;
@@ -101,7 +101,7 @@ struct PDFString : public PDFValue
 {
     OString  m_aString;
 
-    PDFString( const OString& rString )
+    explicit PDFString( const OString& rString )
     : PDFValue(), m_aString( rString ) {}
     virtual ~PDFString();
     virtual bool emit( EmitContext& rWriteContext ) const SAL_OVERRIDE;
@@ -114,7 +114,7 @@ struct PDFNumber : public PDFValue
 {
     double m_fValue;
 
-    PDFNumber( double fVal )
+    explicit PDFNumber( double fVal )
     : PDFValue(), m_fValue( fVal ) {}
     virtual ~PDFNumber();
     virtual bool emit( EmitContext& rWriteContext ) const SAL_OVERRIDE;
@@ -125,7 +125,7 @@ struct PDFBool : public PDFValue
 {
     bool m_bValue;
 
-    PDFBool( bool bVal )
+    explicit PDFBool( bool bVal )
     : PDFValue(), m_bValue( bVal ) {}
     virtual ~PDFBool();
     virtual bool emit( EmitContext& rWriteContext ) const SAL_OVERRIDE;
diff --git a/sdext/source/pdfimport/pdfparse/pdfentries.cxx b/sdext/source/pdfimport/pdfparse/pdfentries.cxx
index 1f8cf7e7a32c..98039e93a7b9 100644
--- a/sdext/source/pdfimport/pdfparse/pdfentries.cxx
+++ b/sdext/source/pdfimport/pdfparse/pdfentries.cxx
@@ -68,7 +68,7 @@ struct EmitImplData
         return false;
     }
 
-    EmitImplData( const PDFContainer* pTopContainer ) :
+    explicit EmitImplData( const PDFContainer* pTopContainer ) :
         m_pObjectContainer( pTopContainer ),
         m_nDecryptObject( 0 ),
         m_nDecryptGeneration( 0 )
diff --git a/sdext/source/pdfimport/pdfparse/pdfparse.cxx b/sdext/source/pdfimport/pdfparse/pdfparse.cxx
index 7600d3c6a6d9..cacbab097e78 100644
--- a/sdext/source/pdfimport/pdfparse/pdfparse.cxx
+++ b/sdext/source/pdfimport/pdfparse/pdfparse.cxx
@@ -77,7 +77,7 @@ class PDFGrammar :  public grammar< PDFGrammar<iteratorT> >
 {
 public:
 
-    PDFGrammar( const iteratorT& first )
+    explicit PDFGrammar( const iteratorT& first )
     : m_fDouble( 0.0 ), m_aGlobalBegin( first ) {}
     ~PDFGrammar()
     {
@@ -130,7 +130,7 @@ public:
     template< typename ScannerT >
     struct definition
     {
-        definition( const PDFGrammar<iteratorT>& rSelf )
+        explicit definition( const PDFGrammar<iteratorT>& rSelf )
         {
             PDFGrammar<iteratorT>* pSelf = const_cast< PDFGrammar<iteratorT>* >( &rSelf );
 
diff --git a/sdext/source/pdfimport/sax/saxattrlist.hxx b/sdext/source/pdfimport/sax/saxattrlist.hxx
index e46d7c49c34c..097a752afa07 100644
--- a/sdext/source/pdfimport/sax/saxattrlist.hxx
+++ b/sdext/source/pdfimport/sax/saxattrlist.hxx
@@ -48,7 +48,7 @@ namespace pdfi
 
     public:
         SaxAttrList() {}
-        SaxAttrList( const std::unordered_map< OUString, OUString, OUStringHash >& );
+        explicit SaxAttrList( const std::unordered_map< OUString, OUString, OUStringHash >& );
         SaxAttrList( const SaxAttrList& );
         virtual ~SaxAttrList();
 
diff --git a/sdext/source/pdfimport/tree/genericelements.hxx b/sdext/source/pdfimport/tree/genericelements.hxx
index b774ace53f1c..c8da275696df 100644
--- a/sdext/source/pdfimport/tree/genericelements.hxx
+++ b/sdext/source/pdfimport/tree/genericelements.hxx
@@ -73,7 +73,7 @@ namespace pdfi
     struct Element
     {
     protected:
-        Element( Element* pParent )
+        explicit Element( Element* pParent )
             : x( 0 ), y( 0 ), w( 0 ), h( 0 ), StyleId( -1 ), Parent( pParent )
         {
             if( pParent )
@@ -187,7 +187,7 @@ namespace pdfi
     {
         friend class ElementFactory;
     protected:
-        ParagraphElement( Element* pParent ) : Element( pParent ), Type( Normal ), bRtl( false ) {}
+        explicit ParagraphElement( Element* pParent ) : Element( pParent ), Type( Normal ), bRtl( false ) {}
 
     public:
         virtual void visitedBy( ElementTreeVisitor&, const std::list< Element* >::const_iterator& rParentIt ) SAL_OVERRIDE;
diff --git a/sdext/source/pdfimport/tree/style.hxx b/sdext/source/pdfimport/tree/style.hxx
index 859f99879c37..22c3caf9d233 100644
--- a/sdext/source/pdfimport/tree/style.hxx
+++ b/sdext/source/pdfimport/tree/style.hxx
@@ -125,7 +125,7 @@ namespace pdfi
         {
             const std::unordered_map< sal_Int32, HashedStyle >* m_pMap;
 
-            StyleIdNameSort( const std::unordered_map< sal_Int32, HashedStyle >* pMap ) :
+            explicit StyleIdNameSort( const std::unordered_map< sal_Int32, HashedStyle >* pMap ) :
                 m_pMap(pMap)
             {}
             bool operator()( sal_Int32 nLeft, sal_Int32 nRight )
diff --git a/sdext/source/pdfimport/wrapper/wrapper.cxx b/sdext/source/pdfimport/wrapper/wrapper.cxx
index 4621be14b69e..998af4a419c1 100644
--- a/sdext/source/pdfimport/wrapper/wrapper.cxx
+++ b/sdext/source/pdfimport/wrapper/wrapper.cxx
@@ -990,7 +990,7 @@ class Buffering
     sal_uInt64 left;
 
 public:
-    Buffering(oslFileHandle& out) : aBuffer(new char[SIZE]), pOut(out), pos(0), left(0) {}
+    explicit Buffering(oslFileHandle& out) : aBuffer(new char[SIZE]), pOut(out), pos(0), left(0) {}
 
     oslFileError read(char *pChar, short count, sal_uInt64* pBytesRead)
     {
diff --git a/sdext/source/presenter/PresenterAccessibility.cxx b/sdext/source/presenter/PresenterAccessibility.cxx
index 9a4864ed3916..5d07ed808d55 100644
--- a/sdext/source/presenter/PresenterAccessibility.cxx
+++ b/sdext/source/presenter/PresenterAccessibility.cxx
@@ -236,7 +236,7 @@ class AccessibleStateSet
       public AccessibleStateSetInterfaceBase
 {
 public:
-    AccessibleStateSet (const sal_Int32 nStateSet);
+    explicit AccessibleStateSet (const sal_Int32 nStateSet);
     virtual ~AccessibleStateSet();
 
     static sal_uInt32 GetStateMask (const sal_Int16 nType);
diff --git a/sdext/source/presenter/PresenterBitmapContainer.hxx b/sdext/source/presenter/PresenterBitmapContainer.hxx
index 38a06a91ed27..f199012fd55b 100644
--- a/sdext/source/presenter/PresenterBitmapContainer.hxx
+++ b/sdext/source/presenter/PresenterBitmapContainer.hxx
@@ -50,7 +50,7 @@ public:
     {
     public:
         BitmapDescriptor();
-        BitmapDescriptor (const std::shared_ptr<BitmapDescriptor>& rpDefault);
+        explicit BitmapDescriptor (const std::shared_ptr<BitmapDescriptor>& rpDefault);
 
         enum Mode {Normal, MouseOver, ButtonDown, Disabled, Mask};
         css::uno::Reference<css::rendering::XBitmap> GetNormalBitmap() const;
diff --git a/sdext/source/presenter/PresenterPaneBorderPainter.hxx b/sdext/source/presenter/PresenterPaneBorderPainter.hxx
index 603fc9cc76f5..7632fa80f115 100644
--- a/sdext/source/presenter/PresenterPaneBorderPainter.hxx
+++ b/sdext/source/presenter/PresenterPaneBorderPainter.hxx
@@ -52,7 +52,7 @@ class PresenterPaneBorderPainter
       public PresenterPaneBorderPainterInterfaceBase
 {
 public:
-    PresenterPaneBorderPainter (
+    explicit PresenterPaneBorderPainter (
         const css::uno::Reference<css::uno::XComponentContext>& rxContext);
     virtual ~PresenterPaneBorderPainter();
 
diff --git a/sdext/source/presenter/PresenterPaneContainer.hxx b/sdext/source/presenter/PresenterPaneContainer.hxx
index 99b70e90b62b..18a7a1f8597c 100644
--- a/sdext/source/presenter/PresenterPaneContainer.hxx
+++ b/sdext/source/presenter/PresenterPaneContainer.hxx
@@ -61,7 +61,7 @@ class PresenterPaneContainer
       public PresenterPaneContainerInterfaceBase
 {
 public:
-    PresenterPaneContainer (
+    explicit PresenterPaneContainer (
         const css::uno::Reference<css::uno::XComponentContext>& rxContext);
     virtual ~PresenterPaneContainer();
 
diff --git a/sdext/source/presenter/PresenterProtocolHandler.cxx b/sdext/source/presenter/PresenterProtocolHandler.cxx
index ddaa4a4cf788..9dbefb239ca3 100644
--- a/sdext/source/presenter/PresenterProtocolHandler.cxx
+++ b/sdext/source/presenter/PresenterProtocolHandler.cxx
@@ -58,7 +58,7 @@ namespace {
     class GotoPreviousSlideCommand : public Command
     {
     public:
-        GotoPreviousSlideCommand (
+        explicit GotoPreviousSlideCommand (
             const rtl::Reference<PresenterController>& rpPresenterController);
         virtual ~GotoPreviousSlideCommand() {}
         virtual void Execute() SAL_OVERRIDE;
@@ -70,7 +70,7 @@ namespace {
     class GotoNextSlideCommand : public Command
     {
     public:
-        GotoNextSlideCommand (
+        explicit GotoNextSlideCommand (
             const rtl::Reference<PresenterController>& rpPresenterController);
         virtual ~GotoNextSlideCommand() {}
         virtual void Execute() SAL_OVERRIDE;
@@ -85,7 +85,7 @@ namespace {
     class GotoNextEffectCommand : public Command
     {
     public:
-        GotoNextEffectCommand (
+        explicit GotoNextEffectCommand (
             const rtl::Reference<PresenterController>& rpPresenterController);
         virtual ~GotoNextEffectCommand() {}
         virtual void Execute() SAL_OVERRIDE;
@@ -96,7 +96,7 @@ namespace {
     class SwitchMonitorCommand : public Command
     {
     public:
-        SwitchMonitorCommand (
+        explicit SwitchMonitorCommand (
             const rtl::Reference<PresenterController>& rpPresenterController);
         virtual ~SwitchMonitorCommand() {}
         virtual void Execute() SAL_OVERRIDE;
diff --git a/sdext/source/presenter/PresenterProtocolHandler.hxx b/sdext/source/presenter/PresenterProtocolHandler.hxx
index 81121fe6b10f..45bd9f946c37 100644
--- a/sdext/source/presenter/PresenterProtocolHandler.hxx
+++ b/sdext/source/presenter/PresenterProtocolHandler.hxx
@@ -46,7 +46,7 @@ class PresenterProtocolHandler
       public PresenterProtocolHandlerInterfaceBase
 {
 public:
-    PresenterProtocolHandler (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
+    explicit PresenterProtocolHandler (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
     virtual ~PresenterProtocolHandler();
 
     void SAL_CALL disposing() SAL_OVERRIDE;
diff --git a/sdext/source/presenter/PresenterScrollBar.cxx b/sdext/source/presenter/PresenterScrollBar.cxx
index 2440e17f4659..b0dec0aa77be 100644
--- a/sdext/source/presenter/PresenterScrollBar.cxx
+++ b/sdext/source/presenter/PresenterScrollBar.cxx
@@ -48,7 +48,7 @@ class PresenterScrollBar::MousePressRepeater
     : public std::enable_shared_from_this<MousePressRepeater>
 {
 public:
-    MousePressRepeater (const ::rtl::Reference<PresenterScrollBar>& rpScrollBar);
+    explicit MousePressRepeater (const ::rtl::Reference<PresenterScrollBar>& rpScrollBar);
     void Dispose();
     void Start (const PresenterScrollBar::Area& reArea);
     void Stop();
diff --git a/sdext/source/presenter/PresenterSlideSorter.cxx b/sdext/source/presenter/PresenterSlideSorter.cxx
index 151395223378..ef45c7d97c4a 100644
--- a/sdext/source/presenter/PresenterSlideSorter.cxx
+++ b/sdext/source/presenter/PresenterSlideSorter.cxx
@@ -84,7 +84,7 @@ namespace {
 class PresenterSlideSorter::Layout
 {
 public:
-    Layout (const ::rtl::Reference<PresenterScrollBar>& rpVerticalScrollBar);
+    explicit Layout (const ::rtl::Reference<PresenterScrollBar>& rpVerticalScrollBar);
 
     void Update (const geometry::RealRectangle2D& rBoundingBox, const double nSlideAspectRatio);
     void SetupVisibleArea();
diff --git a/sdext/source/presenter/PresenterToolBar.cxx b/sdext/source/presenter/PresenterToolBar.cxx
index 660e12df9caa..3b102475398d 100644
--- a/sdext/source/presenter/PresenterToolBar.cxx
+++ b/sdext/source/presenter/PresenterToolBar.cxx
@@ -132,7 +132,7 @@ namespace {
           public ElementInterfaceBase
     {
     public:
-        Element (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        explicit Element (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
         virtual ~Element();
 
         virtual void SAL_CALL disposing() SAL_OVERRIDE;
@@ -243,7 +243,7 @@ namespace {
     class Label : public Element
     {
     public:
-        Label (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        explicit Label (const ::rtl::Reference<PresenterToolBar>& rpToolBar);
 
         void SetText (const OUString& rsText);
         virtual void Paint (
@@ -275,14 +275,14 @@ namespace {
         void ConnectToTimer();
         virtual void TimeHasChanged (const oslDateTime& rCurrentTime) = 0;
     protected:
-        TimeLabel(const ::rtl::Reference<PresenterToolBar>& rpToolBar);
+        explicit TimeLabel(const ::rtl::Reference<PresenterToolBar>& rpToolBar);
         using Element::disposing;
         virtual void SAL_CALL disposing() SAL_OVERRIDE;
     private:
         class Listener : public PresenterClockTimer::Listener
         {
         public:
-            Listener (const ::rtl::Reference<TimeLabel>& rxLabel)
+            explicit Listener (const ::rtl::Reference<TimeLabel>& rxLabel)
                 : mxLabel(rxLabel) {}
             virtual ~Listener() {}
             virtual void TimeHasChanged (const oslDateTime& rCurrentTime) SAL_OVERRIDE