Merge "Add ApplyCustomFragmentPrefix" into devel/master
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / buttons / radio-button-impl.cpp
index 81b6a5d..4b4e070 100644 (file)
  *
  */
 
-
 // CLASS HEADER
 #include "radio-button-impl.h"
 
 // EXTERNAL INCLUDES
+#include <dali/integration-api/debug.h>
 #include <dali/public-api/object/type-registry.h>
-#include <dali/public-api/images/resource-image.h>
+
+#if defined(DEBUG_ENABLED)
+extern Debug::Filter* gLogButtonFilter;
+#endif
 
 namespace Dali
 {
-
 namespace Toolkit
 {
-
 namespace Internal
 {
-
 namespace
 {
-
 BaseHandle Create()
 {
   return Toolkit::RadioButton::New();
 }
 
-TypeRegistration typeRegistration( typeid( Toolkit::RadioButton ), typeid( Toolkit::Button ), Create);
+TypeRegistration typeRegistration(typeid(Toolkit::RadioButton), typeid(Toolkit::Button), Create);
 
-const char* const UNSELECTED_BUTTON_IMAGE_DIR = DALI_IMAGE_DIR "radio-button-unselected.png";
-const char* const SELECTED_BUTTON_IMAGE_DIR = DALI_IMAGE_DIR "radio-button-selected.png";
-
-const float DISTANCE_BETWEEN_IMAGE_AND_LABEL( 5.0f );
-}
+} // namespace
 
 Dali::Toolkit::RadioButton RadioButton::New()
 {
   // Create the implementation, temporarily owned on stack
-  IntrusivePtr< RadioButton > internalRadioButton = new RadioButton();
+  IntrusivePtr<RadioButton> internalRadioButton = new RadioButton();
 
   // Pass ownership to CustomActor
   Dali::Toolkit::RadioButton radioButton(*internalRadioButton);
@@ -72,111 +67,63 @@ RadioButton::~RadioButton()
 {
 }
 
-void RadioButton::OnButtonInitialize()
+void RadioButton::OnInitialize()
 {
-  Actor self = Self();
-
-  // Wrap size of radio button around all its children
-  self.SetResizePolicy( ResizePolicy::FIT_TO_CHILDREN, Dimension::ALL_DIMENSIONS );
+  Button::OnInitialize();
 
-  Image buttonImage = Dali::ResourceImage::New( UNSELECTED_BUTTON_IMAGE_DIR );
-  Image selectedImage = Dali::ResourceImage::New( SELECTED_BUTTON_IMAGE_DIR );
-
-  SetButtonImage( ImageActor::New( buttonImage ) );
-  SetSelectedImage( ImageActor::New( selectedImage ) );
-
-  RelayoutRequest();
+  DevelControl::SetAccessibilityConstructor(Self(), [](Dali::Actor actor) {
+    return std::unique_ptr<Dali::Accessibility::Accessible>(
+      new AccessibleImpl(actor, Dali::Accessibility::Role::RADIO_BUTTON));
+  });
 }
 
-void RadioButton::OnButtonUp()
+bool RadioButton::OnToggleReleased()
 {
-  if( ButtonDown == GetState() )
-  {
-    // Don't allow selection on an already selected radio button
-    if( !IsSelected() )
-    {
-      SetSelected( !IsSelected() );
-    }
-  }
+  // Radio button overrides toggle release (button up) as doesn't allow un-selection to be performed on it directly.
+  return false;
 }
 
-void RadioButton::OnLabelSet()
+void RadioButton::OnStateChange(State newState)
 {
-  Actor& label = GetLabel();
+  // Radio button can be part of a group, if a button in the group is selected then all others should be unselected
+  DALI_LOG_INFO(gLogButtonFilter, Debug::Verbose, "RadioButton::OnStateChange state(%d)\n", newState);
 
-  if( label )
+  if(SELECTED_STATE == newState)
   {
-    label.SetParentOrigin( ParentOrigin::CENTER_LEFT );
-    label.SetAnchorPoint( AnchorPoint::CENTER_LEFT );
-
-    // Radio button width is FIT_TO_CHILDREN, so the label must have a sensible policy to fill out the space
-    if( label.GetResizePolicy( Dimension::WIDTH ) == ResizePolicy::FILL_TO_PARENT )
+    Actor parent = Self().GetParent();
+    if(parent)
     {
-      label.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::WIDTH );
+      for(unsigned int i = 0; i < parent.GetChildCount(); ++i)
+      {
+        Dali::Toolkit::RadioButton radioButtonChild = Dali::Toolkit::RadioButton::DownCast(parent.GetChildAt(i));
+        if(radioButtonChild && radioButtonChild != Self())
+        {
+          radioButtonChild.SetProperty(Toolkit::Button::Property::SELECTED, false);
+        }
+      }
     }
+  }
 
-    if( IsSelected() )
-    {
-      label.SetX( GetSelectedImage().GetNaturalSize().width + DISTANCE_BETWEEN_IMAGE_AND_LABEL );
-    }
-    else
-    {
-      label.SetX( GetButtonImage().GetNaturalSize().width + DISTANCE_BETWEEN_IMAGE_AND_LABEL );
-    }
+  // TODO: replace it with OnPropertySet hook once Button::Property::SELECTED will be consistently used
+  if(Dali::Accessibility::IsUp() && (Dali::Accessibility::Accessible::GetCurrentlyHighlightedActor() == Self())
+     && (newState == SELECTED_STATE || newState == UNSELECTED_STATE))
+  {
+    Dali::Accessibility::Accessible::Get(Self())->EmitStateChanged(Dali::Accessibility::State::CHECKED, newState == SELECTED_STATE ? 1 : 0, 0);
   }
 }
 
-bool RadioButton::OnSelected()
+Dali::Accessibility::States RadioButton::AccessibleImpl::CalculateStates()
 {
-  Actor& buttonImage = GetButtonImage();
-  Actor& selectedImage = GetSelectedImage();
-  Actor& label = GetLabel();
-
-  PaintState paintState = GetPaintState();
+  auto state = Button::AccessibleImpl::CalculateStates();
+  auto self = Toolkit::Button::DownCast(Self());
 
-  switch( paintState )
+  if(self.GetProperty<bool>(Toolkit::Button::Property::SELECTED))
   {
-    case UnselectedState:
-    {
-      Actor parent = Self().GetParent();
-      if( parent )
-      {
-        for( unsigned int i = 0; i < parent.GetChildCount(); ++i )
-        {
-          Dali::Toolkit::RadioButton radioButtonChild = Dali::Toolkit::RadioButton::DownCast( parent.GetChildAt( i ) );
-          if( radioButtonChild && radioButtonChild != Self() )
-          {
-            radioButtonChild.SetSelected( false );
-          }
-        }
-      }
-
-      RemoveChild( buttonImage );
-
-      if( label )
-      {
-        label.SetX( selectedImage.GetNaturalSize().width + DISTANCE_BETWEEN_IMAGE_AND_LABEL );
-      }
-      break;
-    }
-    case SelectedState:
-    {
-      RemoveChild( selectedImage );
-
-      if( label )
-      {
-        label.SetX( buttonImage.GetNaturalSize().width + DISTANCE_BETWEEN_IMAGE_AND_LABEL );
-      }
-      break;
-    }
-    default:
-    {
-      break;
-    }
+    state[Dali::Accessibility::State::CHECKED] = true;
   }
 
-  // there is no animation
-  return false;
+  state[Dali::Accessibility::State::SELECTABLE] = true;
+  return state;
 }
 
 } // namespace Internal