+DevelControl::VisualEventSignalType& Control::Impl::VisualEventSignal()
+{
+ return mVisualEventSignal;
+}
+
+void Control::Impl::SetShadow( const Property::Map& map )
+{
+ Toolkit::Visual::Base visual = Toolkit::VisualFactory::Get().CreateVisual( map );
+ visual.SetName("shadow");
+
+ if( visual )
+ {
+ mControlImpl.mImpl->RegisterVisual( Toolkit::DevelControl::Property::SHADOW, visual, DepthIndex::BACKGROUND_EFFECT );
+
+ mControlImpl.RelayoutRequest();
+ }
+}
+
+void Control::Impl::ClearShadow()
+{
+ mControlImpl.mImpl->UnregisterVisual( Toolkit::DevelControl::Property::SHADOW );
+
+ // Trigger a size negotiation request that may be needed when unregistering a visual.
+ mControlImpl.RelayoutRequest();
+}
+
+Dali::Property Control::Impl::GetVisualProperty(Dali::Property::Index index, Dali::Property::Key visualPropertyKey)
+{
+ Toolkit::Visual::Base visual = GetVisualByIndex(mVisuals, index);
+ if(visual)
+ {
+ Internal::Visual::Base& visualImpl = Toolkit::GetImplementation(visual);
+ return visualImpl.GetPropertyObject(visualPropertyKey);
+ }
+
+ Handle handle;
+ return Dali::Property(handle, Property::INVALID_INDEX);
+}
+
+void Control::Impl::EmitResourceReadySignal()
+{
+ if(!mIsEmittingResourceReadySignal)
+ {
+ // Guard against calls to emit the signal during the callback
+ mIsEmittingResourceReadySignal = true;
+
+ // If the signal handler changes visual, it may become ready during this call & therefore this method will
+ // get called again recursively. If so, mNeedToEmitResourceReady is set below, and we act on it after that secondary
+ // invocation has completed by notifying in an Idle callback to prevent further recursion.
+ Dali::Toolkit::Control handle(mControlImpl.GetOwner());
+ mResourceReadySignal.Emit(handle);
+
+ if(mNeedToEmitResourceReady)
+ {
+ // Add idler to emit the signal again
+ if(!mIdleCallback)
+ {
+ // The callback manager takes the ownership of the callback object.
+ mIdleCallback = MakeCallback( this, &Control::Impl::OnIdleCallback);
+ Adaptor::Get().AddIdle(mIdleCallback, false);
+ }
+ }
+
+ mIsEmittingResourceReadySignal = false;
+ }
+ else
+ {
+ mNeedToEmitResourceReady = true;
+ }
+}
+
+void Control::Impl::OnIdleCallback()
+{
+ if(mNeedToEmitResourceReady)
+ {
+ // Reset the flag
+ mNeedToEmitResourceReady = false;
+
+ // A visual is ready so control may need relayouting if staged
+ if(mControlImpl.Self().GetProperty<bool>(Actor::Property::CONNECTED_TO_SCENE))
+ {
+ mControlImpl.RelayoutRequest();
+ }
+
+ EmitResourceReadySignal();
+ }
+
+ // Set the pointer to null as the callback manager deletes the callback after execute it.
+ mIdleCallback = nullptr;
+}
+
+Dali::Accessibility::Accessible *Control::Impl::GetAccessibilityObject()
+{
+ if( !accessibilityObject )
+ accessibilityObject = accessibilityConstructor( mControlImpl.Self() );
+ return accessibilityObject.get();
+}
+
+Dali::Accessibility::Accessible *Control::Impl::GetAccessibilityObject(Dali::Actor actor)
+{
+ if( actor )
+ {
+ auto q = Dali::Toolkit::Control::DownCast( actor );
+ if( q )
+ {
+ auto q2 = static_cast< Internal::Control* >( &q.GetImplementation() );
+ return q2->mImpl->GetAccessibilityObject();
+ }
+ }
+ return nullptr;
+}
+
+Control::Impl::AccessibleImpl::AccessibleImpl(Dali::Actor self, Dali::Accessibility::Role role, bool modal)
+ : self(self), modal(modal)
+{
+ auto control = Dali::Toolkit::Control::DownCast(self);
+
+ Internal::Control& internalControl = Toolkit::Internal::GetImplementation( control );
+ Internal::Control::Impl& controlImpl = Internal::Control::Impl::Get( internalControl );
+ if( controlImpl.mAccessibilityRole == Dali::Accessibility::Role::UNKNOWN )
+ controlImpl.mAccessibilityRole = role;
+
+ self.PropertySetSignal().Connect(&controlImpl, [this, &controlImpl](Dali::Handle &handle, Dali::Property::Index index, Dali::Property::Value value)
+ {
+ if (this->self != Dali::Accessibility::Accessible::GetCurrentlyHighlightedActor())
+ {
+ return;
+ }
+
+ if (index == DevelControl::Property::ACCESSIBILITY_NAME
+ || (index == GetNamePropertyIndex() && !controlImpl.mAccessibilityNameSet))
+ {
+ if (controlImpl.mAccessibilityGetNameSignal.Empty())
+ {
+ Emit(Dali::Accessibility::ObjectPropertyChangeEvent::NAME);
+ }
+ }
+
+ if (index == DevelControl::Property::ACCESSIBILITY_DESCRIPTION
+ || (index == GetDescriptionPropertyIndex() && !controlImpl.mAccessibilityDescriptionSet))
+ {
+ if (controlImpl.mAccessibilityGetDescriptionSignal.Empty())
+ {
+ Emit(Dali::Accessibility::ObjectPropertyChangeEvent::DESCRIPTION);
+ }
+ }
+ });
+}
+
+std::string Control::Impl::AccessibleImpl::GetName()
+{
+ auto control = Dali::Toolkit::Control::DownCast(self);
+
+ Internal::Control& internalControl = Toolkit::Internal::GetImplementation( control );
+ Internal::Control::Impl& controlImpl = Internal::Control::Impl::Get( internalControl );
+
+ if (!controlImpl.mAccessibilityGetNameSignal.Empty()) {
+ std::string ret;
+ controlImpl.mAccessibilityGetNameSignal.Emit(ret);
+ return ret;
+ }
+
+ if (controlImpl.mAccessibilityNameSet)
+ return controlImpl.mAccessibilityName;
+
+ if (auto raw = GetNameRaw(); !raw.empty())
+ return raw;
+
+ return self.GetProperty< std::string >( Actor::Property::NAME );
+}
+
+std::string Control::Impl::AccessibleImpl::GetNameRaw()