skins2: ensure that skins2 displays items exactly as qt4 does

This patch copies qt4 getTitle function so that user can read the same
wording from skins2 as he/she reads from the qt4 interface.

modules/gui/skins2/vars/playtree.cpp

@@ -116,9 +116,7 @@ void Playtree::onUpdateItem( int id )
             return;
         }
 
-        char *psz_name = input_item_GetTitleFbName( pNode->p_input );
-        UString *pName = new UString( getIntf(), psz_name );
-        free(psz_name);
+        UString *pName = getTitle( pNode->p_input );
         playlist_Unlock( m_pPlaylist );
 
         if( *pName != *(it->getString()) )
@@ -219,10 +217,7 @@ void Playtree::onAppend( playlist_add_t *p_add )
         for( pos = 0; pos < pItem->p_parent->i_children; pos++ )
             if( pItem->p_parent->pp_children[pos] == pItem ) break;
 
-        char *psz_name = input_item_GetTitleFbName( pItem->p_input );
-        UString *pName = new UString( getIntf(), psz_name );
-        free( psz_name );
-
+        UString *pName = getTitle( pItem->p_input );
         playlist_item_t* current = playlist_CurrentPlayingItem( m_pPlaylist );
 
         Iterator it = it_node->add(
@@ -242,7 +237,7 @@ void Playtree::onAppend( playlist_add_t *p_add )
 
 void Playtree::buildNode( playlist_item_t *pNode, VarTree &rTree )
 {
-    UString *pName = new UString( getIntf(), pNode->p_input->psz_name );
+    UString *pName = getTitle( pNode->p_input );
     Iterator it = rTree.add(
         pNode->i_id, UStringPtr( pName ), false,
         playlist_CurrentPlayingItem(m_pPlaylist) == pNode,
@@ -354,6 +349,23 @@ fin:
     playlist_Unlock( m_pPlaylist );
 }
 
+
+UString* Playtree::getTitle( input_item_t *pItem )
+{
+    char *psz_name = input_item_GetTitle( pItem );
+    if( EMPTY_STR( psz_name ) )
+    {
+        free( psz_name );
+        psz_name = input_item_GetName( pItem );
+    }
+    if( !psz_name )
+        psz_name = strdup ( "" );
+    UString *pTitle = new UString( getIntf(), psz_name );
+    free( psz_name );
+    return pTitle;
+}
+
+
 VarTree::Iterator Playtree::findById( int id )
 {
     map<int,VarTree*>::iterator it = m_allItems.find( id );

modules/gui/skins2/vars/playtree.hpp

@@ -79,6 +79,9 @@ private:
 
     /// Update Node's children
     void buildNode( playlist_item_t *p_node, VarTree &m_pNode );
+
+    /// title for an item
+    UString* getTitle( input_item_t *pItem );
 };
 
 #endif