Added check for no results.

The XML root node contains total_results attribute. If there are no
results matching the search term, then the user is notified of it.

Change-Id: I4b2ae5efe4af700dbc7a554a22a558f94c56e3bc

cui/source/options/personalization.cxx

@@ -223,6 +223,8 @@ void SelectPersonaDialog::ClearSearchResults()
 {
     m_vPersonaSettings.clear();
     m_aSelectedPersona = "";
+    for( sal_Int32 nIndex = 0; nIndex < 9; nIndex++ )
+        m_vResultList[nIndex]->Hide();
 }
 
 SvxPersonalizationTabPage::SvxPersonalizationTabPage( Window *pParent, const SfxItemSet &rSet )
@@ -435,6 +437,13 @@ void SearchAndParseThread::execute()
         aParserInput.aInputStream = xStream;
         xParser->parseStream( aParserInput );
 
+        if( !pHandler->hasResults() )
+        {
+            sProgress = "No results found.";
+            m_pPersonaDialog->SetProgress( sProgress );
+            return;
+        }
+
         std::vector<OUString> vLearnmoreURLs = pHandler->getLearnmoreURLs();
         std::vector<OUString>::iterator it;
         std::vector<Image> vResultList;
@@ -537,7 +546,7 @@ void SearchAndParseThread::getPreviewFile( const OUString& rURL, OUString *pHead
     }
     catch (...)
     {
-        sProgress = "Something went wrong. Please try again.";
+        OUString sProgress = "Something went wrong. Please try again.";
         m_pPersonaDialog->SetProgress( sProgress );
         return;
     }

cui/source/options/personasdochandler.cxx

@@ -29,7 +29,7 @@ void SAL_CALL
 PersonasDocHandler::characters( const OUString & aChars)
     throw ( xml::sax::SAXException, RuntimeException, std::exception )
 {
-    if( m_bLearnmoreTag )
+    if( m_isLearnmoreTag )
         m_vLearnmoreURLs.push_back( aChars );
 }
 
@@ -55,14 +55,21 @@ PersonasDocHandler::setDocumentLocator(
 
 void SAL_CALL
 PersonasDocHandler::startElement( const OUString& aName,
-    const Reference< xml::sax::XAttributeList > & )
+    const Reference< xml::sax::XAttributeList > &xAttribs )
         throw ( xml::sax::SAXException,
             RuntimeException, std::exception )
 {
+    if( aName == "searchresults" )
+    {
+        OUString aTotalResults = xAttribs->getValueByName( "total_results" );
+        if( !aTotalResults.equals( "0" ) )
+            m_hasResults = true;
+    }
+
     if ( aName == "learnmore" )
-        m_bLearnmoreTag = true;
+        m_isLearnmoreTag = true;
     else
-        m_bLearnmoreTag = false;
+        m_isLearnmoreTag = false;
 }
 
 void SAL_CALL PersonasDocHandler::endElement( const OUString & )

cui/source/options/personasdochandler.hxx

@@ -19,10 +19,12 @@ class PersonasDocHandler : public ::cppu::WeakImplHelper1< css::xml::sax::XDocum
 {
 private:
     std::vector<OUString> m_vLearnmoreURLs;
-    bool m_bLearnmoreTag;
+    bool m_isLearnmoreTag, m_hasResults;
 public:
-    PersonasDocHandler(){ m_bLearnmoreTag = false; }
+    PersonasDocHandler(){ m_isLearnmoreTag = false; m_hasResults = false; }
     std::vector<OUString> getLearnmoreURLs() { return m_vLearnmoreURLs; }
+    bool hasResults() { return m_hasResults; }
+
     // XDocumentHandler
     virtual void SAL_CALL startDocument()
         throw ( css::xml::sax::SAXException, css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;