[Tizen](ATSPI) squashed implementation
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / text-controls / text-field-impl.cpp
old mode 100644 (file)
new mode 100755 (executable)
index 137d0c4..af1633f
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2018 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 <dali-toolkit/devel-api/focus-manager/keyinput-focus-manager.h>
 #include <dali-toolkit/devel-api/controls/text-controls/text-field-devel.h>
 #include <dali-toolkit/public-api/visuals/visual-properties.h>
+#include <dali-toolkit/internal/controls/control/control-data-impl.h>
+#include <dali-toolkit/internal/controls/text-controls/autofill-container-impl.h>
 #include <dali-toolkit/internal/text/text-enumerations-impl.h>
 #include <dali-toolkit/internal/text/rendering/text-backend.h>
 #include <dali-toolkit/internal/text/text-effects-style.h>
 #include <dali-toolkit/internal/text/text-font-style.h>
 #include <dali-toolkit/internal/text/text-view.h>
 #include <dali-toolkit/internal/styling/style-manager-impl.h>
+#include <dali-toolkit/devel-api/controls/control-devel.h>
 
 using namespace Dali::Toolkit::Text;
 
@@ -90,8 +93,8 @@ DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "horizontalAlignment",
 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "verticalAlignment",                    STRING,    VERTICAL_ALIGNMENT                   )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "textColor",                            VECTOR4,   TEXT_COLOR                           )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "placeholderTextColor",                 VECTOR4,   PLACEHOLDER_TEXT_COLOR               )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "shadowOffset",                         VECTOR2,   SHADOW_OFFSET                        )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "shadowColor",                          VECTOR4,   SHADOW_COLOR                         )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "reservedProperty01",                   STRING,    RESERVED_PROPERTY_01                 )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "reservedProperty02",                   STRING,    RESERVED_PROPERTY_02                 )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "primaryCursorColor",                   VECTOR4,   PRIMARY_CURSOR_COLOR                 )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "secondaryCursorColor",                 VECTOR4,   SECONDARY_CURSOR_COLOR               )
 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "enableCursorBlink",                    BOOLEAN,   ENABLE_CURSOR_BLINK                  )
@@ -131,6 +134,8 @@ DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "placeholder",
 DALI_PROPERTY_REGISTRATION( Toolkit, TextField, "ellipsis",                             BOOLEAN,   ELLIPSIS                             )
 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextField, "enableShiftSelection",           BOOLEAN,   ENABLE_SHIFT_SELECTION               )
 DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextField, "enableGrabHandle",               BOOLEAN,   ENABLE_GRAB_HANDLE                   )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextField, "matchSystemLanguageDirection",   BOOLEAN,   MATCH_SYSTEM_LANGUAGE_DIRECTION      )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextField, "enableGrabHandlePopup",          BOOLEAN,   ENABLE_GRAB_HANDLE_POPUP             )
 
 DALI_SIGNAL_REGISTRATION( Toolkit, TextField, "textChanged",        SIGNAL_TEXT_CHANGED )
 DALI_SIGNAL_REGISTRATION( Toolkit, TextField, "maxLengthReached",   SIGNAL_MAX_LENGTH_REACHED )
@@ -338,36 +343,6 @@ void TextField::SetProperty( BaseObject* object, Property::Index index, const Pr
         }
         break;
       }
-      case Toolkit::TextField::Property::SHADOW_OFFSET:
-      {
-        if( impl.mController )
-        {
-          const Vector2& shadowOffset = value.Get< Vector2 >();
-          DALI_LOG_INFO( gLogFilter, Debug::General, "TextField %p SHADOW_OFFSET %f,%f\n", impl.mController.Get(), shadowOffset.x, shadowOffset.y );
-
-          if ( impl.mController->GetShadowOffset() != shadowOffset )
-          {
-            impl.mController->SetShadowOffset( shadowOffset );
-            impl.mRenderer.Reset();
-          }
-        }
-        break;
-      }
-      case Toolkit::TextField::Property::SHADOW_COLOR:
-      {
-        if( impl.mController )
-        {
-          const Vector4& shadowColor = value.Get< Vector4 >();
-          DALI_LOG_INFO( gLogFilter, Debug::General, "TextField %p SHADOW_COLOR %f,%f,%f,%f\n", impl.mController.Get(), shadowColor.r, shadowColor.g, shadowColor.b, shadowColor.a );
-
-          if ( impl.mController->GetShadowColor() != shadowColor )
-          {
-            impl.mController->SetShadowColor( shadowColor );
-            impl.mRenderer.Reset();
-          }
-        }
-        break;
-      }
       case Toolkit::TextField::Property::PRIMARY_CURSOR_COLOR:
       {
         if( impl.mDecorator )
@@ -586,7 +561,7 @@ void TextField::SetProperty( BaseObject* object, Property::Index index, const Pr
         Toolkit::Control control = Toolkit::KeyInputFocusManager::Get().GetCurrentFocusControl();
         if (control == textField)
         {
-          impl.mImfManager.ApplyOptions( impl.mInputMethodOptions );
+          impl.mInputMethodContext.ApplyOptions( impl.mInputMethodOptions );
         }
         break;
       }
@@ -784,6 +759,25 @@ void TextField::SetProperty( BaseObject* object, Property::Index index, const Pr
         }
         break;
       }
+      case Toolkit::DevelTextField::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
+      {
+        if( impl.mController )
+        {
+          impl.mController->SetMatchSystemLanguageDirection(value.Get< bool >());
+        }
+        break;
+      }
+      case Toolkit::DevelTextField::Property::ENABLE_GRAB_HANDLE_POPUP:
+      {
+        if (impl.mController)
+        {
+          const bool grabHandlePopupEnabled = value.Get<bool>();
+          DALI_LOG_INFO(gLogFilter, Debug::General, "TextField %p ENABLE_GRAB_HANDLE_POPUP %d\n", impl.mController.Get(), grabHandlePopupEnabled);
+
+          impl.mController->SetGrabHandlePopupEnabled(grabHandlePopupEnabled);
+          break;
+        }
+      }
     } // switch
   } // textfield
 }
@@ -912,22 +906,6 @@ Property::Value TextField::GetProperty( BaseObject* object, Property::Index inde
         }
         break;
       }
-      case Toolkit::TextField::Property::SHADOW_OFFSET:
-      {
-        if ( impl.mController )
-        {
-          value = impl.mController->GetShadowOffset();
-        }
-        break;
-      }
-      case Toolkit::TextField::Property::SHADOW_COLOR:
-      {
-        if ( impl.mController )
-        {
-          value = impl.mController->GetShadowColor();
-        }
-        break;
-      }
       case Toolkit::TextField::Property::PRIMARY_CURSOR_COLOR:
       {
         if( impl.mDecorator )
@@ -1199,12 +1177,42 @@ Property::Value TextField::GetProperty( BaseObject* object, Property::Index inde
         }
         break;
       }
+      case Toolkit::DevelTextField::Property::MATCH_SYSTEM_LANGUAGE_DIRECTION:
+      {
+        if( impl.mController )
+        {
+          value = impl.mController->IsMatchSystemLanguageDirection();
+        }
+        break;
+      }
+      case Toolkit::DevelTextField::Property::ENABLE_GRAB_HANDLE_POPUP:
+      {
+        if (impl.mController)
+        {
+          value = impl.mController->IsGrabHandlePopupEnabled();
+        }
+        break;
+      }
     } //switch
   }
 
   return value;
 }
 
+void TextField::SelectWholeText()
+{
+  if( mController && mController->IsShowingRealText() )
+  {
+    mController->SelectEvent( 0.f, 0.f, true );
+    SetKeyInputFocus();
+  }
+}
+
+InputMethodContext TextField::GetInputMethodContext()
+{
+  return mInputMethodContext;
+}
+
 bool TextField::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
 {
   Dali::BaseHandle handle( object );
@@ -1261,10 +1269,12 @@ void TextField::OnInitialize()
   mDecorator = Text::Decorator::New( *mController,
                                      *mController );
 
+  mInputMethodContext = InputMethodContext::New( self );
+
   mController->GetLayoutEngine().SetLayout( Layout::Engine::SINGLE_LINE_BOX );
 
   // Enables the text input.
-  mController->EnableTextInput( mDecorator );
+  mController->EnableTextInput( mDecorator, mInputMethodContext );
 
   // Enables the horizontal scrolling after the text input has been enabled.
   mController->SetHorizontalScrollEnabled( true );
@@ -1278,12 +1288,15 @@ void TextField::OnInitialize()
   mController->SetNoTextDoubleTapAction( Controller::NoTextTap::HIGHLIGHT );
   mController->SetNoTextLongPressAction( Controller::NoTextTap::HIGHLIGHT );
 
+  // Sets layoutDirection value
+  Dali::Stage stage = Dali::Stage::GetCurrent();
+  Dali::LayoutDirection::Type layoutDirection = static_cast<Dali::LayoutDirection::Type>( stage.GetRootLayer().GetProperty( Dali::Actor::Property::LAYOUT_DIRECTION ).Get<int>() );
+  mController->SetLayoutDirection( layoutDirection );
+
   // Forward input events to controller
   EnableGestureDetection( static_cast<Gesture::Type>( Gesture::Tap | Gesture::Pan | Gesture::LongPress ) );
   GetTapGestureDetector().SetMaximumTapsRequired( 2 );
 
-  mImfManager = ImfManager::Get();
-
   self.TouchSignal().Connect( this, &TextField::OnTouched );
 
   // Set BoundingBox to stage size if not already set.
@@ -1304,6 +1317,8 @@ void TextField::OnInitialize()
   self.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::HEIGHT );
   self.OnStageSignal().Connect( this, &TextField::OnStageConnect );
 
+  DevelControl::SetInputMethodContext( *this, mInputMethodContext );
+
   if( Dali::Toolkit::TextField::EXCEED_POLICY_CLIP == mExceedPolicy )
   {
     EnableClipping();
@@ -1389,7 +1404,7 @@ void TextField::OnRelayout( const Vector2& size, RelayoutContainer& container )
     mActiveLayer.SetPosition( padding.start, padding.top );
   }
 
-  const Text::Controller::UpdateTextType updateTextType = mController->Relayout( contentSize );
+  const Text::Controller::UpdateTextType updateTextType = mController->Relayout( contentSize, layoutDirection );
 
   if( ( Text::Controller::NONE_UPDATED != updateTextType ) ||
       !mRenderer )
@@ -1425,12 +1440,14 @@ void TextField::OnRelayout( const Vector2& size, RelayoutContainer& container )
       {
         // @note: The callback manager takes the ownership of the callback object.
         mIdleCallback = MakeCallback( this, &TextField::OnIdleSignal );
-        adaptor.AddIdle( mIdleCallback );
+        adaptor.AddIdle( mIdleCallback, false );
       }
     }
   }
 }
 
+Text::ControllerPtr TextField::getController() { return mController; }
+
 void TextField::RenderText( Text::Controller::UpdateTextType updateTextType )
 {
   Actor renderableActor;
@@ -1499,26 +1516,44 @@ void TextField::RenderText( Text::Controller::UpdateTextType updateTextType )
 void TextField::OnKeyInputFocusGained()
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextField::OnKeyInputFocusGained %p\n", mController.Get() );
+  if( mInputMethodContext )
+  {
+    mInputMethodContext.ApplyOptions( mInputMethodOptions );
 
-  mImfManager.ApplyOptions( mInputMethodOptions );
+    mInputMethodContext.StatusChangedSignal().Connect( this, &TextField::KeyboardStatusChanged );
 
-  mImfManager.StatusChangedSignal().Connect( this, &TextField::KeyboardStatusChanged );
+    mInputMethodContext.EventReceivedSignal().Connect( this, &TextField::OnInputMethodContextEvent );
 
-  mImfManager.EventReceivedSignal().Connect( this, &TextField::OnImfEvent );
+    // Notify that the text editing start.
+    mInputMethodContext.Activate();
 
-  // Notify that the text editing start.
-  mImfManager.Activate();
+    // When window gain lost focus, the inputMethodContext is deactivated. Thus when window gain focus again, the inputMethodContext must be activated.
+    mInputMethodContext.SetRestoreAfterFocusLost( true );
+  }
 
-  // When window gain lost focus, the imf manager is deactivated. Thus when window gain focus again, the imf manager must be activated.
-  mImfManager.SetRestoreAfterFocusLost( true );
+  ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
+  if( notifier )
+  {
+    notifier.ContentSelectedSignal().Connect( this, &TextField::OnClipboardTextSelected );
+  }
 
-   ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
+  Toolkit::Control control = Toolkit::Control::DownCast( Self() );
+  Internal::Control& controlImpl = GetImplementation( control );
+  Internal::Control::Impl& controlDataImpl = Internal::Control::Impl::Get( controlImpl );
+  bool enableAutofill = controlDataImpl.IsAutofillEnabled();
+  if( enableAutofill )
+  {
+    Toolkit::AutofillContainer container = controlDataImpl.GetAutofillContainer();
+    container.SetFocusedControl( control );
 
-   if ( notifier )
-   {
-      notifier.ContentSelectedSignal().Connect( this, &TextField::OnClipboardTextSelected );
-   }
+    Internal::AutofillContainer& containerImpl = GetImpl( container );
+    Dali::AutofillGroup containerGroup = containerImpl.GetAutofillGroup();
+    if( containerGroup != nullptr )
+    {
+      containerGroup.RequestAuthentication();
+    }
 
+  }
   mController->KeyboardFocusGainEvent(); // Called in the case of no virtual keyboard to trigger this event
 
   EmitKeyInputFocusSignal( true ); // Calls back into the Control hence done last.
@@ -1527,16 +1562,17 @@ void TextField::OnKeyInputFocusGained()
 void TextField::OnKeyInputFocusLost()
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextField:OnKeyInputFocusLost %p\n", mController.Get() );
+  if ( mInputMethodContext )
+  {
+    mInputMethodContext.StatusChangedSignal().Disconnect( this, &TextField::KeyboardStatusChanged );
+    // The text editing is finished. Therefore the inputMethodContext don't have restore activation.
+    mInputMethodContext.SetRestoreAfterFocusLost( false );
 
-  mImfManager.StatusChangedSignal().Disconnect( this, &TextField::KeyboardStatusChanged );
-  // The text editing is finished. Therefore the imf manager don't have restore activation.
-  mImfManager.SetRestoreAfterFocusLost( false );
-
-  // Notify that the text editing finish.
-  mImfManager.Deactivate();
-
-  mImfManager.EventReceivedSignal().Disconnect( this, &TextField::OnImfEvent );
+    // Notify that the text editing finish.
+    mInputMethodContext.Deactivate();
 
+    mInputMethodContext.EventReceivedSignal().Disconnect( this, &TextField::OnInputMethodContextEvent );
+  }
   ClipboardEventNotifier notifier( ClipboardEventNotifier::Get() );
 
   if ( notifier )
@@ -1552,9 +1588,10 @@ void TextField::OnKeyInputFocusLost()
 void TextField::OnTap( const TapGesture& gesture )
 {
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextField::OnTap %p\n", mController.Get() );
-
-  mImfManager.Activate();
-
+  if ( mInputMethodContext )
+  {
+    mInputMethodContext.Activate();
+  }
   // Deliver the tap before the focus event to controller; this allows us to detect when focus is gained due to tap-gestures
   Extents padding;
   padding = Self().GetProperty<Extents>( Toolkit::Control::Property::PADDING );
@@ -1570,8 +1607,10 @@ void TextField::OnPan( const PanGesture& gesture )
 
 void TextField::OnLongPress( const LongPressGesture& gesture )
 {
-  mImfManager.Activate();
-
+  if ( mInputMethodContext )
+  {
+    mInputMethodContext.Activate();
+  }
   Extents padding;
   padding = Self().GetProperty<Extents>( Toolkit::Control::Property::PADDING );
   mController->LongPressEvent( gesture.state, gesture.localPoint.x - padding.start, gesture.localPoint.y - padding.top );
@@ -1607,6 +1646,30 @@ void TextField::RequestTextRelayout()
   RelayoutRequest();
 }
 
+void TextField::TextInserted( unsigned int position, unsigned int length, const std::string &content )
+{
+  if( Accessibility::IsUp() )
+  {
+    Control::Impl::GetAccessibilityObject( Self() )->EmitTextInserted( position, length, content );
+  }
+}
+
+void TextField::TextDeleted( unsigned int position, unsigned int length, const std::string &content )
+{
+  if( Accessibility::IsUp() )
+  {
+    Control::Impl::GetAccessibilityObject( Self() )->EmitTextDeleted( position, length, content );
+  }
+}
+
+void TextField::CaretMoved( unsigned int position )
+{
+  if( Accessibility::IsUp() )
+  {
+    Control::Impl::GetAccessibilityObject( Self() )->EmitTextCaretMoved( position );
+  }
+}
+
 void TextField::TextChanged()
 {
   Dali::Toolkit::TextField handle( GetOwner() );
@@ -1699,10 +1762,10 @@ void TextField::OnStageConnect( Dali::Actor actor )
   }
 }
 
-ImfManager::ImfCallbackData TextField::OnImfEvent( Dali::ImfManager& imfManager, const ImfManager::ImfEventData& imfEvent )
+InputMethodContext::CallbackData TextField::OnInputMethodContextEvent( Dali::InputMethodContext& inputMethodContext, const InputMethodContext::EventData& inputMethodContextEvent )
 {
-  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextField::OnImfEvent %p eventName %d\n", mController.Get(), imfEvent.eventName );
-  return mController->OnImfEvent( imfManager, imfEvent );
+  DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextField::OnInputMethodContextEvent %p eventName %d\n", mController.Get(), inputMethodContextEvent.eventName );
+  return mController->OnInputMethodContextEvent( inputMethodContext, inputMethodContextEvent );
 }
 
 void TextField::GetHandleImagePropertyValue(  Property::Value& value, Text::HandleType handleType, Text::HandleImageType handleImageType )
@@ -1735,7 +1798,7 @@ void TextField::EnableClipping()
                           Add( ColorVisual::Property::MIX_COLOR, Color::TRANSPARENT ) );
 
     // Enable the clipping property.
-    mStencil.SetProperty( Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_CHILDREN );
+    mStencil.SetProperty( Actor::Property::CLIPPING_MODE, ClippingMode::CLIP_TO_BOUNDING_BOX );
     mStencil.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
 
     Self().Add( mStencil );
@@ -1795,6 +1858,10 @@ TextField::TextField()
   mExceedPolicy( Dali::Toolkit::TextField::EXCEED_POLICY_CLIP ),
   mHasBeenStaged( false )
 {
+  DevelControl::SetAccessibilityConstructor( Self(), []( Dali::Actor actor ) {
+    return std::unique_ptr< Dali::Accessibility::Accessible >(
+        new AccessibleImpl( actor, Dali::Accessibility::Role::ENTRY ) );
+  } );
 }
 
 TextField::~TextField()
@@ -1807,6 +1874,210 @@ TextField::~TextField()
   }
 }
 
+std::string TextField::AccessibleImpl::GetName()
+{
+  auto slf = Toolkit::TextField::DownCast( self );
+  return slf.GetProperty( Toolkit::TextField::Property::TEXT ).Get< std::string >();
+}
+
+std::string TextField::AccessibleImpl::GetText( size_t startOffset,
+                                                size_t endOffset )
+{
+  if( endOffset <= startOffset )
+    return {};
+
+  auto slf = Toolkit::TextField::DownCast( self );
+  auto txt =
+      slf.GetProperty( Toolkit::TextField::Property::TEXT ).Get< std::string >();
+
+  if( startOffset > txt.size() || endOffset > txt.size() )
+    return {};
+
+  return txt.substr( startOffset, endOffset - startOffset );
+}
+
+size_t TextField::AccessibleImpl::GetCharacterCount()
+{
+  auto slf = Toolkit::TextField::DownCast( self );
+  auto txt =
+      slf.GetProperty( Toolkit::TextField::Property::TEXT ).Get< std::string >();
+
+  return txt.size();
+}
+
+size_t TextField::AccessibleImpl::GetCaretOffset()
+{
+  auto slf = Toolkit::TextField::DownCast( self );
+  return Dali::Toolkit::GetImpl( slf ).getController()->GetCursorPosition();
+}
+
+bool TextField::AccessibleImpl::SetCaretOffset(size_t offset)
+{
+  auto slf = Toolkit::TextField::DownCast( self );
+  auto txt = slf.GetProperty( Toolkit::TextField::Property::TEXT ).Get< std::string >();
+  if (offset > txt.size())
+    return false;
+
+  auto& slfImpl = Dali::Toolkit::GetImpl( slf );
+  slfImpl.getController()->ResetCursorPosition( offset );
+  slfImpl.RequestTextRelayout();
+  return true;
+}
+
+Dali::Accessibility::Range TextField::AccessibleImpl::GetTextAtOffset(
+    size_t offset, Dali::Accessibility::TextBoundary boundary )
+{
+  auto slf = Toolkit::TextField::DownCast( self );
+  auto txt = slf.GetProperty( Toolkit::TextField::Property::TEXT ).Get< std::string >();
+  auto txt_size = txt.size();
+
+  auto range = Dali::Accessibility::Range{};
+
+  switch(boundary)
+  {
+    case Dali::Accessibility::TextBoundary::CHARACTER:
+      {
+        if (offset < txt_size)
+        {
+          range.content = txt[offset];
+          range.startOffset = offset;
+          range.endOffset = offset + 1;
+        }
+      }
+      break;
+    case Dali::Accessibility::TextBoundary::WORD:
+    case Dali::Accessibility::TextBoundary::LINE:
+      {
+        auto txt_c_string = txt.c_str();
+        auto breaks = std::vector< char >( txt_size, 0 );
+        if(boundary == Dali::Accessibility::TextBoundary::WORD)
+          Accessibility::Accessible::FindWordSeparationsUtf8((const utf8_t *) txt_c_string, txt_size, "", breaks.data());
+        else
+          Accessibility::Accessible::FindLineSeparationsUtf8((const utf8_t *) txt_c_string, txt_size, "", breaks.data());
+        auto index = 0u;
+        auto counter = 0u;
+        while( index < txt_size && counter <= offset )
+        {
+          auto start = index;
+          if(breaks[index])
+          {
+            while(breaks[index])
+              index++;
+            counter++;
+          }
+          else
+          {
+            if (boundary == Dali::Accessibility::TextBoundary::WORD)
+              index++;
+            if (boundary == Dali::Accessibility::TextBoundary::LINE)
+              counter++;
+          }
+          if ((counter - 1) == offset)
+          {
+            range.content = txt.substr(start, index - start + 1);
+            range.startOffset = start;
+            range.endOffset = index + 1;
+          }
+          if (boundary == Dali::Accessibility::TextBoundary::LINE)
+              index++;
+        }
+      }
+      break;
+    case Dali::Accessibility::TextBoundary::SENTENCE:
+      {
+        /* not supported by efl */
+      }
+      break;
+    case Dali::Accessibility::TextBoundary::PARAGRAPH:
+      {
+        /* Paragraph is not supported by libunibreak library */
+      }
+      break;
+    default:
+      break;
+  }
+
+  return range;
+}
+
+Dali::Accessibility::Range
+TextField::AccessibleImpl::GetSelection( size_t selectionNum )
+{
+  // Since DALi supports only one selection indexes higher than 0 are ignored
+  if( selectionNum > 0 )
+    return {};
+
+  auto slf = Toolkit::TextField::DownCast( self );
+  auto ctrl = Dali::Toolkit::GetImpl( slf ).getController();
+  std::string ret;
+  ctrl->RetrieveSelection( ret );
+  auto r = ctrl->GetSelectionIndexes();
+
+  return { static_cast<size_t>(r.first), static_cast<size_t>(r.second), ret };
+}
+
+bool TextField::AccessibleImpl::RemoveSelection( size_t selectionNum )
+{
+  // Since DALi supports only one selection indexes higher than 0 are ignored
+  if( selectionNum > 0 )
+    return false;
+
+  auto slf = Toolkit::TextField::DownCast( self );
+  Dali::Toolkit::GetImpl( slf ).getController()->SetSelection( 0, 0 );
+  return true;
+}
+
+bool TextField::AccessibleImpl::SetSelection( size_t selectionNum,
+                                              size_t startOffset,
+                                              size_t endOffset )
+{
+  // Since DALi supports only one selection indexes higher than 0 are ignored
+  if( selectionNum > 0 )
+    return false;
+
+  auto slf = Toolkit::TextField::DownCast( self );
+  Dali::Toolkit::GetImpl( slf ).getController()->SetSelection( startOffset,
+                                                               endOffset );
+  return true;
+}
+
+bool TextField::AccessibleImpl::CopyText( size_t startPosition,
+                                           size_t endPosition )
+{
+  if( endPosition <= startPosition )
+    return false;
+
+  auto slf = Toolkit::TextField::DownCast( self );
+  auto txt = slf.GetProperty( Toolkit::TextField::Property::TEXT ).Get<std::string>();
+  Dali::Toolkit::GetImpl( slf ).getController()->CopyStringToClipboard( txt.substr(startPosition, endPosition - startPosition) );
+
+  return true;
+}
+
+bool TextField::AccessibleImpl::CutText( size_t startPosition,
+                                          size_t endPosition )
+{
+  if( endPosition <= startPosition )
+    return false;
+
+  auto slf = Toolkit::TextField::DownCast( self );
+  auto txt = slf.GetProperty( Toolkit::TextField::Property::TEXT ).Get<std::string>();
+  Dali::Toolkit::GetImpl( slf ).getController()->CopyStringToClipboard( txt.substr(startPosition, endPosition - startPosition) );
+
+  slf.SetProperty( Toolkit::TextField::Property::TEXT,
+                   txt.substr( 0, startPosition ) + txt.substr( endPosition - startPosition, txt.size()));
+
+  return true;
+}
+
+Dali::Accessibility::States TextField::AccessibleImpl::CalculateStates()
+{
+  auto states = Control::Impl::AccessibleImpl::CalculateStates();
+  using namespace Dali::Accessibility;
+  states[State::EDITABLE] = true;
+  return states;
+}
+
 } // namespace Internal
 
 } // namespace Toolkit