[AT-SPI] Use WeakHandle<Actor> in Accessible objects
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / buttons / push-button-impl.cpp
index 3391bae..2dc4385 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
 #include "push-button-impl.h"
 
 // EXTERNAL INCLUDES
-#include <dali/public-api/object/type-registry.h>
-#include <dali/public-api/object/type-registry-helper.h>
-#include <dali/public-api/images/resource-image.h>
 #include <dali/devel-api/scripting/scripting.h>
 #include <dali/integration-api/debug.h>
+#include <dali/public-api/object/type-registry-helper.h>
+#include <dali/public-api/object/type-registry.h>
 
 // INTERNAL INCLUDES
-#include <dali-toolkit/public-api/controls/image-view/image-view.h>
-#include <dali-toolkit/public-api/controls/text-controls/text-label.h>
 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
 #include <dali-toolkit/devel-api/visual-factory/visual-factory.h>
-#include <dali-toolkit/devel-api/controls/buttons/button-devel.h>
+#include <dali-toolkit/public-api/controls/image-view/image-view.h>
+#include <dali-toolkit/public-api/controls/text-controls/text-label.h>
 
 #if defined(DEBUG_ENABLED)
-  extern Debug::Filter* gLogButtonFilter;
+extern Debug::Filter* gLogButtonFilter;
 #endif
 
 namespace Dali
 {
-
 namespace Toolkit
 {
-
 namespace Internal
 {
-
 namespace
 {
-
 BaseHandle Create()
 {
   return Toolkit::PushButton::New();
@@ -55,40 +49,26 @@ BaseHandle Create()
 
 // Properties
 
-DALI_TYPE_REGISTRATION_BEGIN( Toolkit::PushButton, Toolkit::Button, Create )
+DALI_TYPE_REGISTRATION_BEGIN(Toolkit::PushButton, Toolkit::Button, Create)
 
-DALI_PROPERTY_REGISTRATION( Toolkit, PushButton, "unselectedIcon",  STRING, UNSELECTED_ICON )
-DALI_PROPERTY_REGISTRATION( Toolkit, PushButton, "selectedIcon",  STRING, SELECTED_ICON )
-DALI_PROPERTY_REGISTRATION( Toolkit, PushButton, "iconAlignment",  STRING, ICON_ALIGNMENT )
-DALI_PROPERTY_REGISTRATION( Toolkit, PushButton, "labelPadding",  STRING, LABEL_PADDING )
-DALI_PROPERTY_REGISTRATION( Toolkit, PushButton, "iconPadding",  STRING, ICON_PADDING )
+DALI_PROPERTY_REGISTRATION(Toolkit, PushButton, "labelPadding", STRING, LABEL_PADDING)
+DALI_PROPERTY_REGISTRATION(Toolkit, PushButton, "iconPadding", STRING, ICON_PADDING)
 
 DALI_TYPE_REGISTRATION_END()
 
-/*
- * Table to define Text-to-enum conversions for IconAlignment.
- */
-const Dali::Scripting::StringEnum IconAlignmentTable[] = {
-  { "LEFT",   Toolkit::Internal::PushButton::LEFT },
-  { "RIGHT",  Toolkit::Internal::PushButton::RIGHT },
-  { "TOP",    Toolkit::Internal::PushButton::TOP },
-  { "BOTTOM", Toolkit::Internal::PushButton::BOTTOM },
-}; const unsigned int IconAlignmentTableCount = sizeof( IconAlignmentTable ) / sizeof( IconAlignmentTable[0] );
-
 } // unnamed namespace
 
 namespace
 {
-
 } // unnamed namespace
 
 Dali::Toolkit::PushButton PushButton::New()
 {
   // Create the implementation, temporarily owned on stack
-  IntrusivePtr< PushButton > internalPushButton = new PushButton();
+  IntrusivePtr<PushButton> internalPushButton = new PushButton();
 
   // Pass ownership to CustomActor
-  Dali::Toolkit::PushButton pushButton( *internalPushButton );
+  Dali::Toolkit::PushButton pushButton(*internalPushButton);
 
   // Second-phase init of the implementation
   // This can only be done after the CustomActor connection has been made...
@@ -99,7 +79,7 @@ Dali::Toolkit::PushButton PushButton::New()
 
 PushButton::PushButton()
 : Button(),
-  mIconAlignment( RIGHT )
+  mIconAlignment(RIGHT)
 {
 }
 
@@ -113,37 +93,42 @@ void PushButton::OnInitialize()
 
   // Push button requires the Leave event.
   Actor self = Self();
-  self.SetLeaveRequired( true );
+  self.SetProperty(Actor::Property::LEAVE_REQUIRED, true);
+
+  DevelControl::SetAccessibilityConstructor(self, [](Dali::Actor actor) {
+    return std::unique_ptr<Dali::Accessibility::Accessible>(
+      new AccessibleImpl(actor, Dali::Accessibility::Role::PUSH_BUTTON));
+  });
 }
 
-void PushButton::SetIconAlignment( const PushButton::IconAlignment iconAlignment )
+void PushButton::SetIconAlignment(const PushButton::IconAlignment iconAlignment)
 {
   mIconAlignment = iconAlignment;
   Button::Align labelAlignment;
-  switch ( iconAlignment )
-  {
-  case RIGHT:
-  {
-    labelAlignment = Button::BEGIN;
-    break;
-  }
-  case TOP:
-  {
-    labelAlignment = Button::BOTTOM;
-    break;
-  }
-  case BOTTOM:
+  switch(iconAlignment)
   {
-    labelAlignment = Button::TOP;
-    break;
-  }
-  case LEFT:
-  default:
-    labelAlignment = Button::END;
-    break;
+    case RIGHT:
+    {
+      labelAlignment = Button::BEGIN;
+      break;
+    }
+    case TOP:
+    {
+      labelAlignment = Button::BOTTOM;
+      break;
+    }
+    case BOTTOM:
+    {
+      labelAlignment = Button::TOP;
+      break;
+    }
+    case LEFT:
+    default:
+      labelAlignment = Button::END;
+      break;
   }
 
-  Button::SetLabelAlignment( labelAlignment );
+  Button::SetLabelAlignment(labelAlignment);
 }
 
 const PushButton::IconAlignment PushButton::GetIconAlignment() const
@@ -151,90 +136,56 @@ const PushButton::IconAlignment PushButton::GetIconAlignment() const
   return mIconAlignment;
 }
 
-void PushButton::SetProperty( BaseObject* object, Property::Index propertyIndex, const Property::Value& value )
+void PushButton::SetProperty(BaseObject* object, Property::Index propertyIndex, const Property::Value& value)
 {
-  Toolkit::PushButton pushButton = Toolkit::PushButton::DownCast( Dali::BaseHandle( object ) );
+  Toolkit::PushButton pushButton = Toolkit::PushButton::DownCast(Dali::BaseHandle(object));
 
-  if ( pushButton )
+  if(pushButton)
   {
-    PushButton& pushButtonImpl( GetImplementation( pushButton ) );
+    PushButton& pushButtonImpl(GetImplementation(pushButton));
 
     // Properties remain here for Tizen 3.0 legacy requirements. Are now in Button base class
 
-    switch ( propertyIndex )
+    switch(propertyIndex)
     {
-      case Toolkit::PushButton::Property::UNSELECTED_ICON:
-      {
-        pushButtonImpl.CreateVisualsForComponent( Toolkit::DevelButton::Property::UNSELECTED_VISUAL, value, DepthIndex::CONTENT );
-        break;
-      }
-      case Toolkit::PushButton::Property::SELECTED_ICON:
-      {
-        pushButtonImpl.CreateVisualsForComponent( Toolkit::DevelButton::Property::SELECTED_VISUAL, value, DepthIndex::CONTENT );
-        break;
-      }
-      case Toolkit::PushButton::Property::ICON_ALIGNMENT:
-      {
-        IconAlignment iconAlignment;
-        if( Scripting::GetEnumeration< IconAlignment >( value.Get< std::string >().c_str(), IconAlignmentTable, IconAlignmentTableCount, iconAlignment ) )
-        {
-          pushButtonImpl.SetIconAlignment( iconAlignment );
-        }
-        break;
-      }
       case Toolkit::PushButton::Property::LABEL_PADDING:
       {
-        Vector4 padding ( value.Get< Vector4 >() );
-        pushButtonImpl.Button::SetLabelPadding( Padding( padding.x, padding.y, padding.z, padding.w ) );
+        Vector4 padding(value.Get<Vector4>());
+        pushButtonImpl.Button::SetLabelPadding(Padding(padding.x, padding.y, padding.z, padding.w));
         break;
       }
       case Toolkit::PushButton::Property::ICON_PADDING:
       {
-        Vector4 padding ( value.Get< Vector4 >() );
-        pushButtonImpl.Button::SetForegroundPadding( Padding( padding.x, padding.y, padding.z, padding.w ) );
+        Vector4 padding(value.Get<Vector4>());
+        pushButtonImpl.Button::SetForegroundPadding(Padding(padding.x, padding.y, padding.z, padding.w));
         break;
       }
     }
   }
 }
 
-Property::Value PushButton::GetProperty( BaseObject* object, Property::Index propertyIndex )
+Property::Value PushButton::GetProperty(BaseObject* object, Property::Index propertyIndex)
 {
   Property::Value value;
 
-  Toolkit::PushButton pushButton = Toolkit::PushButton::DownCast( Dali::BaseHandle( object ) );
+  Toolkit::PushButton pushButton = Toolkit::PushButton::DownCast(Dali::BaseHandle(object));
 
-  if ( pushButton )
+  if(pushButton)
   {
-    PushButton& pushButtonImpl( GetImplementation( pushButton ) );
+    PushButton& pushButtonImpl(GetImplementation(pushButton));
 
-    switch ( propertyIndex )
+    switch(propertyIndex)
     {
-      case Toolkit::PushButton::Property::UNSELECTED_ICON:
-      {
-        //value = pushButtonImpl.GetIcon( UNSELECTED_DECORATION );
-        break;
-      }
-      case Toolkit::PushButton::Property::SELECTED_ICON:
-      {
-        //value = pushButtonImpl.GetIcon( UNSELECTED_DECORATION );
-        break;
-      }
-      case Toolkit::PushButton::Property::ICON_ALIGNMENT:
-      {
-        value = Scripting::GetLinearEnumerationName< IconAlignment >( pushButtonImpl.GetIconAlignment(), IconAlignmentTable, IconAlignmentTableCount );
-        break;
-      }
       case Toolkit::PushButton::Property::LABEL_PADDING:
       {
         Padding padding = pushButtonImpl.Button::GetLabelPadding();
-        value = Vector4( padding.x, padding.y, padding.top, padding.bottom);
+        value           = Vector4(padding.x, padding.y, padding.top, padding.bottom);
         break;
       }
       case Toolkit::PushButton::Property::ICON_PADDING:
       {
         Padding padding = pushButtonImpl.Button::GetForegroundPadding();
-        value = Vector4( padding.x, padding.y, padding.top, padding.bottom);
+        value           = Vector4(padding.x, padding.y, padding.top, padding.bottom);
         break;
       }
     }
@@ -243,6 +194,31 @@ Property::Value PushButton::GetProperty( BaseObject* object, Property::Index pro
   return value;
 }
 
+Dali::Accessibility::States PushButton::AccessibleImpl::CalculateStates()
+{
+  auto tmp                                 = Button::AccessibleImpl::CalculateStates();
+  auto slf                                 = Toolkit::Button::DownCast(Self());
+  tmp[Dali::Accessibility::State::PRESSED] = slf.GetProperty<bool>(Toolkit::Button::Property::SELECTED);
+  return tmp;
+}
+
+void PushButton::OnStateChange(State newState)
+{
+  // 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::PRESSED, newState == SELECTED_STATE ? 1 : 0, 0);
+
+    if(Self().GetProperty<bool>(Toolkit::Button::Property::TOGGLABLE))
+    {
+      Dali::Accessibility::Accessible::Get(Self())->EmitStateChanged(
+        Dali::Accessibility::State::CHECKED, newState == SELECTED_STATE ? 1 : 0, 0);
+    }
+  }
+}
+
 } // namespace Internal
 
 } // namespace Toolkit