fix support for embedded images for basic Dialogs ( fdo#45992 )

Signed-off-by: Petr Mladek <pmladek@suse.cz>

6 files changed, 88 insertions, 34 deletions

diff --git a/toolkit/inc/toolkit/controls/controlmodelcontainerbase.hxx b/toolkit/inc/toolkit/controls/controlmodelcontainerbase.hxx
index 673f4d68a4..c4d2dd58c9 100644
--- a/toolkit/inc/toolkit/controls/controlmodelcontainerbase.hxx
+++ b/toolkit/inc/toolkit/controls/controlmodelcontainerbase.hxx
@@ -233,7 +233,6 @@ protected:
     virtual void		ImplSetPosSize( ::com::sun::star::uno::Reference< ::com::sun::star::awt::XControl >& rxCtrl );
     void        ImplUpdateResourceResolver();
     void        ImplStartListingForResourceEvents();
-    ::com::sun::star::uno::Reference< ::com::sun::star::graphic::XGraphic > Impl_getGraphicFromURL_nothrow( const ::rtl::OUString& _rURL );
 
     ControlContainerBase();
 
diff --git a/toolkit/inc/toolkit/controls/dialogcontrol.hxx b/toolkit/inc/toolkit/controls/dialogcontrol.hxx
index 78fc078f1e..9620e658fa 100644
--- a/toolkit/inc/toolkit/controls/dialogcontrol.hxx
+++ b/toolkit/inc/toolkit/controls/dialogcontrol.hxx
@@ -33,6 +33,7 @@
 #include <com/sun/star/awt/XDialog2.hpp>
 #include <com/sun/star/awt/XSimpleTabController.hpp>
 #include <com/sun/star/resource/XStringResourceResolver.hpp>
+#include <com/sun/star/graphic/XGraphicObject.hpp>
 #include "toolkit/helper/servicenames.hxx"
 #include "toolkit/helper/macros.hxx"
 #include <toolkit/controls/unocontrolcontainer.hxx>
@@ -47,8 +48,11 @@
 class UnoControlDialogModel :	public ControlModelContainerBase
 {
 protected:	
+    ::com::sun::star::uno::Reference< ::com::sun::star::graphic::XGraphicObject > mxGrfObj;
     ::com::sun::star::uno::Any			ImplGetDefaultValue( sal_uInt16 nPropId ) const;
     ::cppu::IPropertyArrayHelper&		SAL_CALL getInfoHelper();
+    // ::cppu::OPropertySetHelper
+    void SAL_CALL setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const ::com::sun::star::uno::Any& rValue ) throw (::com::sun::star::uno::Exception);
 public:
                         UnoControlDialogModel( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& i_factory );
                         UnoControlDialogModel( const UnoControlDialogModel& rModel );
diff --git a/toolkit/inc/toolkit/controls/unocontrols.hxx b/toolkit/inc/toolkit/controls/unocontrols.hxx
index 91b8e2a173..3fffee321c 100644
--- a/toolkit/inc/toolkit/controls/unocontrols.hxx
+++ b/toolkit/inc/toolkit/controls/unocontrols.hxx
@@ -72,6 +72,19 @@
 #define UNO_NAME_GRAPHOBJ_URLPREFIX                             "vnd.sun.star.GraphicObject:"
 #define UNO_NAME_GRAPHOBJ_URLPKGPREFIX                  "vnd.sun.star.Package:"
 
+class ImageHelper
+{
+public:
+    // The routine will always attempt to return a valid XGraphic for the
+    // passed _rURL, additionallly xOutGraphicObject will contain the
+    // associated XGraphicObject ( if url is valid for that ) and is set
+    // appropriately ( e.g. NULL if non GraphicObject scheme ) or a valid
+    // object if the rURL points to a valid object
+    static ::com::sun::star::uno::Reference< ::com::sun::star::graphic::XGraphic > getGraphicAndGraphicObjectFromURL_nothrow( ::com::sun::star::uno::Reference< ::com::sun::star::graphic::XGraphicObject >& xOutGraphicObject, const ::rtl::OUString& _rURL );
+    static ::com::sun::star::uno::Reference< ::com::sun::star::graphic::XGraphic > getGraphicFromURL_nothrow( const ::rtl::OUString& _rURL );
+
+};
+
 //	----------------------------------------------------
 //	class UnoControlEditModel
 //	----------------------------------------------------
diff --git a/toolkit/source/controls/controlmodelcontainerbase.cxx b/toolkit/source/controls/controlmodelcontainerbase.cxx
index 2be6fa2412..f2dd50ace1 100644
--- a/toolkit/source/controls/controlmodelcontainerbase.cxx
+++ b/toolkit/source/controls/controlmodelcontainerbase.cxx
@@ -1842,31 +1842,6 @@ void ControlContainerBase::ImplUpdateResourceResolver()
     }
 }
 
-
-uno::Reference< graphic::XGraphic > ControlContainerBase::Impl_getGraphicFromURL_nothrow( const ::rtl::OUString& _rURL )
-{
-    uno::Reference< graphic::XGraphic > xGraphic;
-    if ( !_rURL.getLength() )
-        return xGraphic;
-
-    try
-    {
-        uno::Reference< graphic::XGraphicProvider > xProvider;
-        if ( maContext.createComponent( "com.sun.star.graphic.GraphicProvider", xProvider ) )
-        {
-            uno::Sequence< beans::PropertyValue > aMediaProperties(1);
-            aMediaProperties[0].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "URL" ) );
-            aMediaProperties[0].Value <<= _rURL;
-            xGraphic = xProvider->queryGraphic( aMediaProperties );
-        }
-    }
-    catch( const Exception& )
-    {
-        DBG_UNHANDLED_EXCEPTION();
-    }
-
-    return xGraphic;
-}
 ////	----------------------------------------------------
 ////	Helper Method to convert relative url to physical location
 ////	----------------------------------------------------
diff --git a/toolkit/source/controls/dialogcontrol.cxx b/toolkit/source/controls/dialogcontrol.cxx
index 4aece91caa..8d565ddf58 100644
--- a/toolkit/source/controls/dialogcontrol.cxx
+++ b/toolkit/source/controls/dialogcontrol.cxx
@@ -62,6 +62,7 @@
 
 #include <vcl/tabctrl.hxx>
 #include <toolkit/awt/vclxwindows.hxx>
+#include "toolkit/controls/unocontrols.hxx"
 
 using namespace ::com::sun::star;
 using namespace ::com::sun::star::uno;
@@ -244,6 +245,23 @@ Reference< XPropertySetInfo > UnoControlDialogModel::getPropertySetInfo(  ) thro
     return xInfo;
 }
 
+void SAL_CALL UnoControlDialogModel::setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const ::com::sun::star::uno::Any& rValue ) throw (::com::sun::star::uno::Exception)
+{
+    ControlModelContainerBase::setFastPropertyValue_NoBroadcast( nHandle, rValue );
+    try
+    {
+        if ( nHandle == BASEPROPERTY_IMAGEURL && ImplHasProperty( BASEPROPERTY_GRAPHIC ) )
+        {
+            ::rtl::OUString sImageURL;
+            OSL_VERIFY( rValue >>= sImageURL );
+            setPropertyValue( GetPropertyName( BASEPROPERTY_GRAPHIC ), uno::makeAny( ImageHelper::getGraphicAndGraphicObjectFromURL_nothrow( mxGrfObj, sImageURL ) ) );
+        }
+    }
+    catch( const ::com::sun::star::uno::Exception& )
+    {
+        OSL_ENSURE( sal_False, "UnoControlDialogModel::setFastPropertyValue_NoBroadcast: caught an exception while setting ImageURL properties!" );
+    }
+}
 // ============================================================================
 // = class UnoDialogControl
 // ============================================================================
@@ -341,11 +359,12 @@ void UnoDialogControl::PrepareWindowDescriptor( ::com::sun::star::awt::WindowDes
     if (( ImplGetPropertyValue( PROPERTY_IMAGEURL ) >>= aImageURL ) &&
         ( aImageURL.getLength() > 0 ))
     {
-        ::rtl::OUString absoluteUrl =
-            getPhysicalLocation( ImplGetPropertyValue( PROPERTY_DIALOGSOURCEURL ),
-                                 ImplGetPropertyValue( PROPERTY_IMAGEURL ));
+        ::rtl::OUString absoluteUrl = aImageURL;
+        if ( aImageURL.compareToAscii( UNO_NAME_GRAPHOBJ_URLPREFIX, RTL_CONSTASCII_LENGTH( UNO_NAME_GRAPHOBJ_URLPREFIX ) ) != 0 )
+            absoluteUrl = getPhysicalLocation( ImplGetPropertyValue( PROPERTY_DIALOGSOURCEURL ),
+                                 uno::makeAny( aImageURL ) );
 
-        xGraphic = ControlContainerBase::Impl_getGraphicFromURL_nothrow( absoluteUrl );
+        xGraphic = ImageHelper::getGraphicFromURL_nothrow( absoluteUrl );
         ImplSetPropertyValue( PROPERTY_GRAPHIC, uno::makeAny( xGraphic ), sal_True );
     }
 }
@@ -566,11 +585,13 @@ void UnoDialogControl::ImplModelPropertiesChanged( const Sequence< PropertyChang
             if (( ImplGetPropertyValue( GetPropertyName( BASEPROPERTY_IMAGEURL ) ) >>= aImageURL ) &&
                 ( aImageURL.getLength() > 0 ))
             {
-                ::rtl::OUString absoluteUrl =
-                    getPhysicalLocation( ImplGetPropertyValue( GetPropertyName( BASEPROPERTY_DIALOGSOURCEURL )),
+                ::rtl::OUString absoluteUrl = aImageURL;
+                if ( aImageURL.compareToAscii( UNO_NAME_GRAPHOBJ_URLPREFIX, RTL_CONSTASCII_LENGTH( UNO_NAME_GRAPHOBJ_URLPREFIX ) ) != 0 )
+
+                    absoluteUrl = getPhysicalLocation( ImplGetPropertyValue( GetPropertyName( BASEPROPERTY_DIALOGSOURCEURL )),
                                          uno::makeAny(aImageURL));
 
-                xGraphic = Impl_getGraphicFromURL_nothrow( absoluteUrl );
+                xGraphic = ImageHelper::getGraphicFromURL_nothrow( absoluteUrl );
             }
             ImplSetPropertyValue(  GetPropertyName( BASEPROPERTY_GRAPHIC), uno::makeAny( xGraphic ), sal_True );
             break;
diff --git a/toolkit/source/controls/unocontrols.cxx b/toolkit/source/controls/unocontrols.cxx
index 3fb2d1841c..7ee2193756 100644
--- a/toolkit/source/controls/unocontrols.cxx
+++ b/toolkit/source/controls/unocontrols.cxx
@@ -89,7 +89,49 @@ using namespace ::toolkit;
                             } \
 
 
+uno::Reference< graphic::XGraphic >
+ImageHelper::getGraphicAndGraphicObjectFromURL_nothrow( uno::Reference< graphic::XGraphicObject >& xOutGraphicObj, const ::rtl::OUString& _rURL )
+{
+    if( ( _rURL.compareToAscii( UNO_NAME_GRAPHOBJ_URLPREFIX, RTL_CONSTASCII_LENGTH( UNO_NAME_GRAPHOBJ_URLPREFIX ) ) == 0 ) )
+    {
+        // graphic manager uniqueid
+        rtl::OUString sID = _rURL.copy( sizeof( UNO_NAME_GRAPHOBJ_URLPREFIX ) - 1 );
+        // get the DefaultContext
+        ::comphelper::ComponentContext aContext( ::comphelper::getProcessServiceFactory() );
+        xOutGraphicObj = graphic::GraphicObject::createWithId( aContext.getUNOContext(), sID );
+    }
+    else // linked
+        xOutGraphicObj = NULL; // release the GraphicObject
+
+    return ImageHelper::getGraphicFromURL_nothrow( _rURL );
+}
 
+::com::sun::star::uno::Reference< ::com::sun::star::graphic::XGraphic >
+ImageHelper::getGraphicFromURL_nothrow( const ::rtl::OUString& _rURL )
+{
+    uno::Reference< graphic::XGraphic > xGraphic;
+    if ( _rURL.isEmpty() )
+        return xGraphic;
+
+    try
+    {
+        uno::Reference< graphic::XGraphicProvider > xProvider;
+        ::comphelper::ComponentContext aContext( ::comphelper::getProcessServiceFactory() );
+        if ( aContext.createComponent( "com.sun.star.graphic.GraphicProvider", xProvider ) )
+        {
+            uno::Sequence< beans::PropertyValue > aMediaProperties(1);
+            aMediaProperties[0].Name = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "URL" ) );
+            aMediaProperties[0].Value <<= _rURL;
+            xGraphic = xProvider->queryGraphic( aMediaProperties );
+        }
+    }
+    catch (const Exception&)
+    {
+        DBG_UNHANDLED_EXCEPTION();
+    }
+
+    return xGraphic;
+}
 //	----------------------------------------------------
 //	class UnoControlEditModel
 //	----------------------------------------------------
@@ -593,7 +635,7 @@ void SAL_CALL GraphicControlModel::setFastPropertyValue_NoBroadcast( sal_Int32 n
                 mbAdjustingGraphic = true;
                 ::rtl::OUString sImageURL;
                 OSL_VERIFY( rValue >>= sImageURL );
-                setDependentFastPropertyValue( BASEPROPERTY_GRAPHIC, uno::makeAny( getGraphicFromURL_nothrow( sImageURL ) ) );
+                setDependentFastPropertyValue( BASEPROPERTY_GRAPHIC, uno::makeAny( ImageHelper::getGraphicFromURL_nothrow( sImageURL ) ) );
                 mbAdjustingGraphic = false;
             }
             break;