+ {
+ const Toolkit::Visual::Base visual = (*visualIter)->visual;
+ const Internal::Visual::Base& visualImpl = Toolkit::GetImplementation( visual );
+
+ // one of the enabled visuals is not ready
+ if( !visualImpl.IsResourceReady() && (*visualIter)->enabled )
+ {
+ return false;
+ }
+ }
+ return true;
+}
+
+void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base& visual )
+{
+ RegisterVisual( index, visual, VisualState::ENABLED, DepthIndexValue::NOT_SET );
+}
+
+void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base& visual, int depthIndex )
+{
+ RegisterVisual( index, visual, VisualState::ENABLED, DepthIndexValue::SET, depthIndex );
+}
+
+void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base& visual, bool enabled )
+{
+ RegisterVisual( index, visual, ( enabled ? VisualState::ENABLED : VisualState::DISABLED ), DepthIndexValue::NOT_SET );
+}
+
+void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base& visual, bool enabled, int depthIndex )
+{
+ RegisterVisual( index, visual, ( enabled ? VisualState::ENABLED : VisualState::DISABLED ), DepthIndexValue::SET, depthIndex );
+}
+
+void Control::Impl::RegisterVisual( Property::Index index, Toolkit::Visual::Base& visual, VisualState::Type enabled, DepthIndexValue::Type depthIndexValueSet, int depthIndex )
+{
+ DALI_LOG_INFO( gLogFilter, Debug::Concise, "RegisterVisual:%d \n", index );
+
+ bool visualReplaced ( false );
+ Actor self = mControlImpl.Self();
+
+ if( !mVisuals.Empty() )
+ {
+ RegisteredVisualContainer::Iterator registeredVisualsiter;
+ // Check if visual (index) is already registered. Replace if so.
+ if( FindVisual( index, mVisuals, registeredVisualsiter ) )
+ {
+ if( (*registeredVisualsiter)->visual )
+ {
+ // Store current visual depth index as may need to set the replacement visual to same depth
+ const int currentDepthIndex = (*registeredVisualsiter)->visual.GetDepthIndex();
+
+ // Monitor when the visuals resources are ready
+ StopObservingVisual( (*registeredVisualsiter)->visual );
+ StartObservingVisual( visual );
+
+ if( self.OnStage() )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "RegisterVisual Adding visual to replacement Queue: %d \n", index );
+ // Check if visual is currently in the process of being replaced
+ RegisteredVisualContainer::Iterator queuedReplacementVisual;
+ if ( FindVisual( index, mReplacementVisuals, queuedReplacementVisual ) )
+ {
+ // If visual on replacement queue is going to be replaced before it's ready then will be removed from queue (and stage)
+ // Only the the last requested visual will be queued and then displayed.
+ Toolkit::GetImplementation( (*queuedReplacementVisual)->visual ).SetOffStage( self );
+ mReplacementVisuals.Erase(queuedReplacementVisual);
+ }
+ // Add to replacement list
+ mReplacementVisuals.PushBack( new RegisteredVisual( index, visual, ( enabled == VisualState::ENABLED ? true : false ) ) );
+ }
+ else
+ {
+ // Not staged so can just replace registered visual
+ (*registeredVisualsiter)->visual = visual;
+ (*registeredVisualsiter)->enabled = ( enabled == VisualState::ENABLED ) ? true : false;
+ }
+
+ // If we've not set the depth-index value and the new visual does not have a depth index applied to it, then use the previously set depth-index for this index
+ if( ( depthIndexValueSet == DepthIndexValue::NOT_SET ) &&
+ ( visual.GetDepthIndex() == 0 ) )
+ {
+ visual.SetDepthIndex( currentDepthIndex );
+ }
+ }
+
+ visualReplaced = true;
+ }
+ }
+
+ // If not set, set the name of the visual to the same name as the control's property.
+ // ( If the control has been type registered )
+ if( visual.GetName().empty() )
+ {
+ try
+ {
+ std::string visualName = self.GetPropertyName( index );
+ if( !visualName.empty() )
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Concise, "Setting visual name for property %d to %s\n",
+ index, visualName.c_str() );
+ visual.SetName( visualName );
+ }
+ }
+ catch( Dali::DaliException e )
+ {
+ DALI_LOG_WARNING( "Attempting to register visual without a registered property, index: %d\n", index );
+ }
+ }
+
+ if( !visualReplaced ) // New registration entry
+ {
+ DALI_LOG_INFO( gLogFilter, Debug::Concise, "New Visual registration %d\n", index);
+ mVisuals.PushBack( new RegisteredVisual( index, visual, ( enabled == VisualState::ENABLED ? true : false ) ) );
+
+ // monitor when the visuals resources are ready
+ StartObservingVisual( visual );
+
+ // If we've not set the depth-index value, we have more than one visual and the visual does not have a depth index, then set it to be the highest
+ if( ( depthIndexValueSet == DepthIndexValue::NOT_SET ) &&
+ ( mVisuals.Size() > 1 ) &&
+ ( visual.GetDepthIndex() == 0 ) )
+ {
+ int maxDepthIndex = std::numeric_limits< int >::min();
+
+ RegisteredVisualContainer::ConstIterator iter;
+ const RegisteredVisualContainer::ConstIterator endIter = mVisuals.End();
+ for ( iter = mVisuals.Begin(); iter != endIter; iter++ )
+ {
+ const int visualDepthIndex = (*iter)->visual.GetDepthIndex();
+ if ( visualDepthIndex > maxDepthIndex )
+ {
+ maxDepthIndex = visualDepthIndex;
+ }
+ }
+
+ ++maxDepthIndex; // Add one to the current maximum depth index so that our added visual appears on top
+ visual.SetDepthIndex( maxDepthIndex );
+ }
+ }
+
+ if( visual )
+ {
+ // If the caller has set the depth-index, then set it here
+ if( depthIndexValueSet == DepthIndexValue::SET )
+ {
+ visual.SetDepthIndex( depthIndex );
+ }
+
+ // Put on stage if enabled and the control is already on the stage
+ if( ( enabled == VisualState::ENABLED ) && self.OnStage() )
+ {
+ // Visual must be set on stage for the renderer to be created and the ResourceReady triggered.
+ Toolkit::GetImplementation(visual).SetOnStage( self );
+ }
+ }
+
+ DALI_LOG_INFO( gLogFilter, Debug::Verbose, "Control::RegisterVisual() Registered %s(%d), enabled:%s\n", visual.GetName().c_str(), index, enabled?"T":"F" );
+}
+
+void Control::Impl::UnregisterVisual( Property::Index index )
+{
+ RegisteredVisualContainer::Iterator iter;
+ if ( FindVisual( index, mVisuals, iter ) )