fdo#66524 - defer population of AddOns toolbar icons until they are shown.

Some addons eg. LibreLogo are almost never shown, so avoid their startup cost.

Change-Id: Ibbc072dd740eca6a97aeff918ae0a5c105278acf

framework/inc/uielement/addonstoolbarwrapper.hxx

@@ -45,13 +45,14 @@ class AddonsToolBarWrapper : public UIElementWrapperBase
         // XUIElement
         virtual ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL getRealInterface() throw (::com::sun::star::uno::RuntimeException);
 
-    //-------------------------------------------------------------------------------------------------------------
-    //  protected methods
-    //-------------------------------------------------------------------------------------------------------------
+        // cf. ToolbarLayoutManager
+        void populateImages();
+
     private:
         com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext >                                 m_xContext;
         com::sun::star::uno::Reference< com::sun::star::lang::XComponent >                                       m_xToolBarManager;
         com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< com::sun::star::beans::PropertyValue > > m_aConfigData;
+        bool           m_bCreatedImages;
 };
 
 }

framework/source/layoutmanager/toolbarlayoutmanager.cxx

@@ -18,6 +18,7 @@
  */
 
 #include <toolbarlayoutmanager.hxx>
+#include <uielement/addonstoolbarwrapper.hxx>
 #include <helpers.hxx>
 #include <services.h>
 #include <services/layoutmanager.hxx>
@@ -442,6 +443,7 @@ bool ToolbarLayoutManager::requestToolbar( const OUString& rResourceURL )
         bMustCallCreate = true;
 
     bool bCreateOrShowToolbar( aRequestedToolbar.m_bVisible & !aRequestedToolbar.m_bMasterHide );
+
     uno::Reference< awt::XWindow2 > xContainerWindow( m_xContainerWindow, uno::UNO_QUERY );
     if ( xContainerWindow.is() && aRequestedToolbar.m_bFloating )
         bCreateOrShowToolbar &= bool( xContainerWindow->isActive());
@@ -569,6 +571,14 @@ bool ToolbarLayoutManager::showToolbar( const OUString& rResourceURL )
 
     SolarMutexGuard aGuard;
     Window* pWindow = getWindowFromXUIElement( aUIElement.m_xUIElement );
+
+    // Addons appear to need to be populated at start, but we don't
+    // want to populate them with (scaled) images until later.
+    AddonsToolBarWrapper *pAddOns;
+    pAddOns = dynamic_cast<AddonsToolBarWrapper *>( aUIElement.m_xUIElement.get());
+    if (pAddOns)
+        pAddOns->populateImages();
+
     if ( pWindow )
     {
         if ( !aUIElement.m_bFloating )

framework/source/uielement/addonstoolbarmanager.cxx

@@ -205,7 +205,7 @@ void AddonsToolBarManager::FillToolbar( const Sequence< Sequence< PropertyValue
     if ( m_bDisposed )
         return;
 
-    sal_uInt16    nId( 1 );
+    sal_uInt16 nId( 1 );
 
     RemoveControllers();
 
@@ -262,9 +262,7 @@ void AddonsToolBarManager::FillToolbar( const Sequence< Sequence< PropertyValue
 
                 m_pToolBar->InsertItem( nId, aTitle );
 
-                Image aImage = RetrieveImage( m_xFrame, aImageId, aURL, !m_bSmallSymbols );
-                if ( !!aImage )
-                    m_pToolBar->SetItemImage( nId, aImage );
+                // don't setup images yet, AddonsToolbarWrapper::populateImages does that.
 
                 // Create TbRuntimeItemData to hold additional information we will need in the future
                 AddonsParams* pRuntimeItemData = new AddonsParams;

framework/source/uielement/addonstoolbarwrapper.cxx

@@ -55,7 +55,8 @@ namespace framework
 
 AddonsToolBarWrapper::AddonsToolBarWrapper( const Reference< XComponentContext >& xContext ) :
     UIElementWrapperBase( UIElementType::TOOLBAR ),
-    m_xContext( xContext )
+    m_xContext( xContext ),
+    m_bCreatedImages( false )
 {
 }
 
@@ -160,6 +161,26 @@ Reference< XInterface > SAL_CALL AddonsToolBarWrapper::getRealInterface() throw
     return Reference< XInterface >();
 }
 
+// allow late population of images for add-on toolbars
+void AddonsToolBarWrapper::populateImages()
+{
+    ResetableGuard aLock( m_aLock );
+
+    if (m_bCreatedImages)
+        return;
+
+    if ( m_xToolBarManager.is() )
+    {
+        AddonsToolBarManager* pToolBarManager = static_cast< AddonsToolBarManager *>( m_xToolBarManager.get() );
+        if (pToolBarManager)
+        {
+            pToolBarManager->RefreshImages();
+            m_bCreatedImages = true;
+        }
+    }
+}
+
+
 } // namespace framework
 
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