(TextLabel) Ensure auto scrolling respects the horizontal alignment
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / text-controls / text-label-impl.cpp
index 9d3fd45..ff6fc79 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2017 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/internal/controls/text-controls/text-label-impl.h>
 
 // EXTERNAL INCLUDES
-#include <dali/devel-api/object/type-registry-helper.h>
+#include <dali/public-api/object/type-registry-helper.h>
+#include <dali/devel-api/object/property-helper-devel.h>
 #include <dali/integration-api/debug.h>
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/public-api/text/rendering-backend.h>
 #include <dali-toolkit/devel-api/controls/control-depth-index-ranges.h>
+#include <dali-toolkit/devel-api/controls/text-controls/text-label-devel.h>
+#include <dali-toolkit/internal/text/property-string-parser.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/text/text-definitions.h>
 #include <dali-toolkit/internal/styling/style-manager-impl.h>
 
-using Dali::Toolkit::Text::LayoutEngine;
-using Dali::Toolkit::Text::Backend;
+using namespace Dali::Toolkit::Text;
 
 namespace Dali
 {
@@ -50,23 +54,30 @@ namespace
 namespace
 {
 
-#if defined(DEBUG_ENABLED)
-  Debug::Filter* gLogFilter = Debug::Filter::New(Debug::Concise, true, "LOG_TEXT_CONTROLS");
+#if defined ( DEBUG_ENABLED )
+  Debug::Filter* gLogFilter = Debug::Filter::New(Debug::NoLogging, true, "LOG_TEXT_CONTROLS");
 #endif
 
+const Scripting::StringEnum AUTO_SCROLL_STOP_MODE_TABLE[] =
+{
+  { "IMMEDIATE", Toolkit::DevelTextLabel::AutoScrollStopMode::IMMEDIATE },
+  { "FINISH_LOOP",  Toolkit::DevelTextLabel::AutoScrollStopMode::FINISH_LOOP  },
+};
+const unsigned int AUTO_SCROLL_STOP_MODE_TABLE_COUNT = sizeof( AUTO_SCROLL_STOP_MODE_TABLE ) / sizeof( AUTO_SCROLL_STOP_MODE_TABLE[0] );
+
 const Scripting::StringEnum HORIZONTAL_ALIGNMENT_STRING_TABLE[] =
 {
-  { "BEGIN",  Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_BEGIN  },
-  { "CENTER", Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_CENTER },
-  { "END",    Toolkit::Text::LayoutEngine::HORIZONTAL_ALIGN_END    },
+  { "BEGIN",  Toolkit::Text::Layout::HORIZONTAL_ALIGN_BEGIN  },
+  { "CENTER", Toolkit::Text::Layout::HORIZONTAL_ALIGN_CENTER },
+  { "END",    Toolkit::Text::Layout::HORIZONTAL_ALIGN_END    },
 };
 const unsigned int HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE ) / sizeof( HORIZONTAL_ALIGNMENT_STRING_TABLE[0] );
 
 const Scripting::StringEnum VERTICAL_ALIGNMENT_STRING_TABLE[] =
 {
-  { "TOP",    Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_TOP    },
-  { "CENTER", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_CENTER },
-  { "BOTTOM", Toolkit::Text::LayoutEngine::VERTICAL_ALIGN_BOTTOM },
+  { "TOP",    Toolkit::Text::Layout::VERTICAL_ALIGN_TOP    },
+  { "CENTER", Toolkit::Text::Layout::VERTICAL_ALIGN_CENTER },
+  { "BOTTOM", Toolkit::Text::Layout::VERTICAL_ALIGN_BOTTOM },
 };
 const unsigned int VERTICAL_ALIGNMENT_STRING_TABLE_COUNT = sizeof( VERTICAL_ALIGNMENT_STRING_TABLE ) / sizeof( VERTICAL_ALIGNMENT_STRING_TABLE[0] );
 
@@ -79,21 +90,34 @@ BaseHandle Create()
 // Setup properties, signals and actions using the type-registry.
 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::TextLabel, Toolkit::Control, Create );
 
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "renderingBackend",     INTEGER, RENDERING_BACKEND    )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "text",                 STRING,  TEXT                 )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "fontFamily",           STRING,  FONT_FAMILY          )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "fontStyle",            STRING,  FONT_STYLE           )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "pointSize",            FLOAT,   POINT_SIZE           )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "multiLine",            BOOLEAN, MULTI_LINE           )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "horizontalAlignment",  STRING,  HORIZONTAL_ALIGNMENT )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "verticalAlignment",    STRING,  VERTICAL_ALIGNMENT   )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "textColor",            VECTOR4, TEXT_COLOR           )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "shadowOffset",         VECTOR2, SHADOW_OFFSET        )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "shadowColor",          VECTOR4, SHADOW_COLOR         )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "underlineEnabled",     BOOLEAN, UNDERLINE_ENABLED    )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "underlineColor",       VECTOR4, UNDERLINE_COLOR      )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "underlineHeight",      FLOAT,   UNDERLINE_HEIGHT     )
-DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "enableMarkup",         BOOLEAN, ENABLE_MARKUP        )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "renderingBackend",          INTEGER, RENDERING_BACKEND      )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "text",                      STRING,  TEXT                   )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "fontFamily",                STRING,  FONT_FAMILY            )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "fontStyle",                 MAP,     FONT_STYLE             )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "pointSize",                 FLOAT,   POINT_SIZE             )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "multiLine",                 BOOLEAN, MULTI_LINE             )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "horizontalAlignment",       STRING,  HORIZONTAL_ALIGNMENT   )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "verticalAlignment",         STRING,  VERTICAL_ALIGNMENT     )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "textColor",                 VECTOR4, TEXT_COLOR             )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "shadowOffset",              VECTOR2, SHADOW_OFFSET          )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "shadowColor",               VECTOR4, SHADOW_COLOR           )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "underlineEnabled",          BOOLEAN, UNDERLINE_ENABLED      )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "underlineColor",            VECTOR4, UNDERLINE_COLOR        )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "underlineHeight",           FLOAT,   UNDERLINE_HEIGHT       )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "enableMarkup",              BOOLEAN, ENABLE_MARKUP          )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "enableAutoScroll",          BOOLEAN, ENABLE_AUTO_SCROLL     )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "autoScrollSpeed",           INTEGER, AUTO_SCROLL_SPEED      )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "autoScrollLoopCount",       INTEGER, AUTO_SCROLL_LOOP_COUNT )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "autoScrollGap",             FLOAT,   AUTO_SCROLL_GAP        )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "lineSpacing",               FLOAT,   LINE_SPACING           )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "underline",                 MAP,     UNDERLINE              )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "shadow",                    MAP,     SHADOW                 )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "emboss",                    MAP,     EMBOSS                 )
+DALI_PROPERTY_REGISTRATION( Toolkit, TextLabel, "outline",                   MAP,     OUTLINE                )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextLabel, "pixelSize",           FLOAT,   PIXEL_SIZE             )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextLabel, "ellipsis",            BOOLEAN, ELLIPSIS               )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextLabel, "autoScrollLoopDelay", FLOAT,   AUTO_SCROLL_LOOP_DELAY )
+DALI_DEVEL_PROPERTY_REGISTRATION( Toolkit, TextLabel, "autoScrollStopMode",  STRING,  AUTO_SCROLL_STOP_MODE )
 
 DALI_TYPE_REGISTRATION_END()
 
@@ -159,9 +183,9 @@ void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Pr
       {
         if( impl.mController )
         {
-          const std::string fontFamily = value.Get< std::string >();
+          const std::string& fontFamily = value.Get< std::string >();
 
-          DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::SetProperty Property::FONT_FAMILY newFont(%s)\n", fontFamily.c_str() );
+          DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextLabel::SetProperty Property::FONT_FAMILY newFont(%s)\n", fontFamily.c_str() );
           impl.mController->SetDefaultFontFamily( fontFamily );
         }
         break;
@@ -177,9 +201,9 @@ void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Pr
         {
           const float pointSize = value.Get< float >();
 
-          if( !Equals( impl.mController->GetDefaultPointSize(), pointSize ) )
+          if( !Equals( impl.mController->GetDefaultFontSize( Text::Controller::POINT_SIZE ), pointSize ) )
           {
-            impl.mController->SetDefaultPointSize( pointSize );
+            impl.mController->SetDefaultFontSize( pointSize, Text::Controller::POINT_SIZE );
           }
         }
         break;
@@ -196,11 +220,11 @@ void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Pr
       {
         if( impl.mController )
         {
-          LayoutEngine::HorizontalAlignment alignment( LayoutEngine::HORIZONTAL_ALIGN_BEGIN );
-          if( Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::HorizontalAlignment >( value.Get< std::string >().c_str(),
-                                                                                             HORIZONTAL_ALIGNMENT_STRING_TABLE,
-                                                                                             HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT,
-                                                                                             alignment ) )
+          Layout::HorizontalAlignment alignment( Layout::HORIZONTAL_ALIGN_BEGIN );
+          if( Scripting::GetEnumeration< Toolkit::Text::Layout::HorizontalAlignment >( value.Get< std::string >().c_str(),
+                                                                                       HORIZONTAL_ALIGNMENT_STRING_TABLE,
+                                                                                       HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT,
+                                                                                       alignment ) )
           {
             impl.mController->SetHorizontalAlignment( alignment );
           }
@@ -211,11 +235,11 @@ void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Pr
       {
         if( impl.mController )
         {
-          LayoutEngine::VerticalAlignment alignment( LayoutEngine::VERTICAL_ALIGN_BOTTOM );
-          if( Scripting::GetEnumeration< Toolkit::Text::LayoutEngine::VerticalAlignment >( value.Get< std::string >().c_str(),
-                                                                                           VERTICAL_ALIGNMENT_STRING_TABLE,
-                                                                                           VERTICAL_ALIGNMENT_STRING_TABLE_COUNT,
-                                                                                           alignment ) )
+          Layout::VerticalAlignment alignment( Layout::VERTICAL_ALIGN_BOTTOM );
+          if( Scripting::GetEnumeration< Toolkit::Text::Layout::VerticalAlignment >( value.Get< std::string >().c_str(),
+                                                                                     VERTICAL_ALIGNMENT_STRING_TABLE,
+                                                                                     VERTICAL_ALIGNMENT_STRING_TABLE_COUNT,
+                                                                                     alignment ) )
           {
             impl.mController->SetVerticalAlignment( alignment );
           }
@@ -227,10 +251,10 @@ void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Pr
       {
         if( impl.mController )
         {
-          const Vector4 textColor = value.Get< Vector4 >();
-          if( impl.mController->GetTextColor() != textColor )
+          const Vector4& textColor = value.Get< Vector4 >();
+          if( impl.mController->GetDefaultColor() != textColor )
           {
-            impl.mController->SetTextColor( textColor );
+            impl.mController->SetDefaultColor( textColor );
             impl.mRenderer.Reset();
           }
         }
@@ -241,7 +265,7 @@ void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Pr
       {
         if( impl.mController )
         {
-          const Vector2 shadowOffset = value.Get< Vector2 >();
+          const Vector2& shadowOffset = value.Get< Vector2 >();
           if ( impl.mController->GetShadowOffset() != shadowOffset )
           {
             impl.mController->SetShadowOffset( shadowOffset );
@@ -254,7 +278,7 @@ void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Pr
       {
         if( impl.mController )
         {
-          const Vector4 shadowColor = value.Get< Vector4 >();
+          const Vector4& shadowColor = value.Get< Vector4 >();
           if ( impl.mController->GetShadowColor() != shadowColor )
           {
             impl.mController->SetShadowColor( shadowColor );
@@ -267,7 +291,7 @@ void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Pr
       {
         if( impl.mController )
         {
-          const Vector4 color = value.Get< Vector4 >();
+          const Vector4& color = value.Get< Vector4 >();
           if ( impl.mController->GetUnderlineColor() != color )
           {
             impl.mController->SetUnderlineColor( color );
@@ -312,6 +336,155 @@ void TextLabel::SetProperty( BaseObject* object, Property::Index index, const Pr
         }
         break;
       }
+      case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
+      {
+        if( impl.mController )
+        {
+          const bool enableAutoScroll = value.Get<bool>();
+          // If request to auto scroll is the same as current state then do nothing.
+          if ( enableAutoScroll != impl.mController->IsAutoScrollEnabled() )
+          {
+             // If request is disable (false) and auto scrolling is enabled then need to stop it
+             if ( enableAutoScroll == false )
+             {
+               if( impl.mTextScroller )
+               {
+                 impl.mTextScroller->StopScrolling();
+               }
+             }
+             // If request is enable (true) then start autoscroll as not already running
+             else
+             {
+               impl.mController->SetTextElideEnabled( false );
+               impl.mController->SetAutoScrollEnabled( enableAutoScroll );
+             }
+          }
+        }
+        break;
+      }
+      case Toolkit::DevelTextLabel::Property::AUTO_SCROLL_STOP_MODE:
+      {
+        if( !impl.mTextScroller )
+        {
+          impl.mTextScroller = Text::TextScroller::New( impl );
+        }
+        DevelTextLabel::AutoScrollStopMode::Type stopMode = impl.mTextScroller->GetStopMode();
+        if( Scripting::GetEnumerationProperty< Toolkit::DevelTextLabel::AutoScrollStopMode::Type >( value,
+                                                                                                    AUTO_SCROLL_STOP_MODE_TABLE,
+                                                                                                    AUTO_SCROLL_STOP_MODE_TABLE_COUNT,
+                                                                                                    stopMode ) )
+        {
+            impl.mTextScroller->SetStopMode( stopMode );
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
+      {
+        if( !impl.mTextScroller )
+        {
+          impl.mTextScroller = Text::TextScroller::New( impl );
+        }
+        impl.mTextScroller->SetSpeed( value.Get<int>() );
+        break;
+      }
+      case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
+      {
+        if( !impl.mTextScroller )
+        {
+          impl.mTextScroller = Text::TextScroller::New( impl );
+        }
+        impl.mTextScroller->SetLoopCount( value.Get<int>() );
+        break;
+      }
+      case Toolkit::DevelTextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
+      {
+         if( !impl.mTextScroller )
+        {
+          impl.mTextScroller = Text::TextScroller::New( impl );
+        }
+        impl.mTextScroller->SetLoopDelay( value.Get<float>() );
+        break;
+      }
+      case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
+      {
+        if( !impl.mTextScroller )
+        {
+          impl.mTextScroller = Text::TextScroller::New( impl );
+        }
+        impl.mTextScroller->SetGap( value.Get<float>() );
+        break;
+      }
+      case Toolkit::TextLabel::Property::LINE_SPACING:
+      {
+        if( impl.mController )
+        {
+          const float lineSpacing = value.Get<float>();
+          impl.mController->SetDefaultLineSpacing( lineSpacing );
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::UNDERLINE:
+      {
+        const bool update = SetUnderlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::SHADOW:
+      {
+        const bool update = SetShadowProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::EMBOSS:
+      {
+        const bool update = SetEmbossProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::OUTLINE:
+      {
+        const bool update = SetOutlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        if( update )
+        {
+          impl.mRenderer.Reset();
+        }
+        break;
+      }
+      case Toolkit::DevelTextLabel::Property::PIXEL_SIZE:
+      {
+        if( impl.mController )
+        {
+          const float pixelSize = value.Get< float >();
+          DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel %p PIXEL_SIZE %f\n", impl.mController.Get(), pixelSize );
+
+          if( !Equals( impl.mController->GetDefaultFontSize( Text::Controller::PIXEL_SIZE ), pixelSize ) )
+          {
+            impl.mController->SetDefaultFontSize( pixelSize, Text::Controller::PIXEL_SIZE );
+          }
+        }
+        break;
+      }
+      case Toolkit::DevelTextLabel::Property::ELLIPSIS:
+      {
+        if( impl.mController )
+        {
+          const bool ellipsis = value.Get<bool>();
+          DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel %p ELLIPSIS %d\n", impl.mController.Get(), ellipsis );
+
+          impl.mController->SetTextElideEnabled( ellipsis );
+        }
+        break;
+      }
     }
   }
 }
@@ -359,7 +532,7 @@ Property::Value TextLabel::GetProperty( BaseObject* object, Property::Index inde
       {
         if( impl.mController )
         {
-          value = impl.mController->GetDefaultPointSize();
+          value = impl.mController->GetDefaultFontSize( Text::Controller::POINT_SIZE );
         }
         break;
       }
@@ -375,9 +548,9 @@ Property::Value TextLabel::GetProperty( BaseObject* object, Property::Index inde
       {
         if( impl.mController )
         {
-          const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::HorizontalAlignment >( impl.mController->GetHorizontalAlignment(),
-                                                                                                                HORIZONTAL_ALIGNMENT_STRING_TABLE,
-                                                                                                                HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
+          const char* name = Scripting::GetEnumerationName< Toolkit::Text::Layout::HorizontalAlignment >( impl.mController->GetHorizontalAlignment(),
+                                                                                                          HORIZONTAL_ALIGNMENT_STRING_TABLE,
+                                                                                                          HORIZONTAL_ALIGNMENT_STRING_TABLE_COUNT );
           if( name )
           {
             value = std::string( name );
@@ -389,9 +562,9 @@ Property::Value TextLabel::GetProperty( BaseObject* object, Property::Index inde
       {
         if( impl.mController )
         {
-          const char* name = Scripting::GetEnumerationName< Toolkit::Text::LayoutEngine::VerticalAlignment >( impl.mController->GetVerticalAlignment(),
-                                                                                                              VERTICAL_ALIGNMENT_STRING_TABLE,
-                                                                                                              VERTICAL_ALIGNMENT_STRING_TABLE_COUNT );
+          const char* name = Scripting::GetEnumerationName< Toolkit::Text::Layout::VerticalAlignment >( impl.mController->GetVerticalAlignment(),
+                                                                                                        VERTICAL_ALIGNMENT_STRING_TABLE,
+                                                                                                        VERTICAL_ALIGNMENT_STRING_TABLE_COUNT );
           if( name )
           {
             value = std::string( name );
@@ -403,7 +576,7 @@ Property::Value TextLabel::GetProperty( BaseObject* object, Property::Index inde
       {
         if ( impl.mController )
         {
-          value = impl.mController->GetTextColor();
+          value = impl.mController->GetDefaultColor();
         }
         break;
       }
@@ -455,6 +628,114 @@ Property::Value TextLabel::GetProperty( BaseObject* object, Property::Index inde
         }
         break;
       }
+      case Toolkit::TextLabel::Property::ENABLE_AUTO_SCROLL:
+      {
+        if( impl.mController )
+        {
+          value = impl.mController->IsAutoScrollEnabled();
+        }
+        break;
+      }
+      case Toolkit::DevelTextLabel::Property::AUTO_SCROLL_STOP_MODE:
+      {
+        if( impl.mTextScroller )
+        {
+          const char* mode = Scripting::GetEnumerationName< Toolkit::DevelTextLabel::AutoScrollStopMode::Type >( impl.mTextScroller->GetStopMode(),
+                                                                                                                 AUTO_SCROLL_STOP_MODE_TABLE,
+                                                                                                                 AUTO_SCROLL_STOP_MODE_TABLE_COUNT );
+          if( mode )
+          {
+            value = std::string( mode );
+          }
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::AUTO_SCROLL_SPEED:
+      {
+        TextLabel& impl( GetImpl( label ) );
+        if ( impl.mTextScroller )
+        {
+          value = impl.mTextScroller->GetSpeed();
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::AUTO_SCROLL_LOOP_COUNT:
+      {
+        if( impl.mController )
+        {
+          TextLabel& impl( GetImpl( label ) );
+          if ( impl.mTextScroller )
+          {
+            value = impl.mTextScroller->GetLoopCount();
+          }
+        }
+        break;
+      }
+      case Toolkit::DevelTextLabel::Property::AUTO_SCROLL_LOOP_DELAY:
+      {
+        if( impl.mController )
+        {
+          TextLabel& impl( GetImpl( label ) );
+          if ( impl.mTextScroller )
+          {
+            value = impl.mTextScroller->GetLoopDelay();
+          }
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::AUTO_SCROLL_GAP:
+      {
+        TextLabel& impl( GetImpl( label ) );
+        if ( impl.mTextScroller )
+        {
+          value = impl.mTextScroller->GetGap();
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::LINE_SPACING:
+      {
+        if( impl.mController )
+        {
+          value = impl.mController->GetDefaultLineSpacing();
+        }
+        break;
+      }
+      case Toolkit::TextLabel::Property::UNDERLINE:
+      {
+        GetUnderlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        break;
+      }
+      case Toolkit::TextLabel::Property::SHADOW:
+      {
+        GetShadowProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        break;
+      }
+      case Toolkit::TextLabel::Property::EMBOSS:
+      {
+        GetEmbossProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        break;
+      }
+      case Toolkit::TextLabel::Property::OUTLINE:
+      {
+        GetOutlineProperties( impl.mController, value, Text::EffectStyle::DEFAULT );
+        break;
+      }
+      case Toolkit::DevelTextLabel::Property::PIXEL_SIZE:
+      {
+        if( impl.mController )
+        {
+          value = impl.mController->GetDefaultFontSize( Text::Controller::PIXEL_SIZE );
+        }
+        break;
+      }
+      case Toolkit::DevelTextLabel::Property::ELLIPSIS:
+      {
+        if( impl.mController )
+        {
+          value = impl.mController->IsTextElideEnabled();
+        }
+        break;
+      }
     }
   }
 
@@ -465,7 +746,7 @@ void TextLabel::OnInitialize()
 {
   Actor self = Self();
 
-  mController = Text::Controller::New( *this );
+  mController = Text::Controller::New( this );
 
   // When using the vector-based rendering, the size of the GLyphs are different
   TextAbstraction::GlyphType glyphType = (Text::RENDERING_VECTOR_BASED == mRenderingBackend) ? TextAbstraction::VECTOR_GLYPH : TextAbstraction::BITMAP_GLYPH;
@@ -476,9 +757,9 @@ void TextLabel::OnInitialize()
   self.SetResizePolicy( ResizePolicy::DIMENSION_DEPENDENCY, Dimension::HEIGHT );
 
   // Enable the text ellipsis.
-  LayoutEngine& engine = mController->GetLayoutEngine();
+  mController->SetTextElideEnabled( true );   // If false then text larger than control will overflow
 
-  engine.SetTextEllipsisEnabled( true );
+  Layout::Engine& engine = mController->GetLayoutEngine();
   engine.SetCursorWidth( 0u ); // Do not layout space for the cursor.
 
   self.OnStageSignal().Connect( this, &TextLabel::OnStageConnect );
@@ -486,7 +767,6 @@ void TextLabel::OnInitialize()
 
 void TextLabel::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange::Type change )
 {
-
   DALI_LOG_INFO( gLogFilter, Debug::Verbose, "TextLabel::OnStyleChange\n");
 
   switch ( change )
@@ -494,29 +774,27 @@ void TextLabel::OnStyleChange( Toolkit::StyleManager styleManager, StyleChange::
     case StyleChange::DEFAULT_FONT_CHANGE:
     {
       // Property system did not set the font so should update it.
-      std::string newFont = styleManager.GetDefaultFontFamily();
+      const std::string& newFont = GetImpl( styleManager ).GetDefaultFontFamily();
       DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::OnStyleChange StyleChange::DEFAULT_FONT_CHANGE newFont(%s)\n", newFont.c_str() );
       mController->UpdateAfterFontChange( newFont );
+      RelayoutRequest();
       break;
     }
-
     case StyleChange::DEFAULT_FONT_SIZE_CHANGE:
     {
-      DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::OnStyleChange StyleChange::DEFAULT_FONT_SIZE_CHANGE (%f)\n", mController->GetDefaultPointSize() );
-
-      if ( (mController->GetDefaultPointSize() <= 0.0f) ) // If DefaultPointSize not set by Property system it will be 0.0f
-      {
-        // Property system did not set the PointSize so should update it.
-        // todo instruct text-controller to update model
-      }
+      GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
+      RelayoutRequest();
       break;
     }
     case StyleChange::THEME_CHANGE:
     {
-      GetImpl( styleManager ).ApplyThemeStyle( Toolkit::Control( GetOwner() ) );
+      // Nothing to do, let control base class handle this
       break;
     }
   }
+
+  // Up call to Control
+  Control::OnStyleChange( styleManager, change );
 }
 
 Vector3 TextLabel::GetNaturalSize()
@@ -531,12 +809,16 @@ float TextLabel::GetHeightForWidth( float width )
 
 void TextLabel::OnRelayout( const Vector2& size, RelayoutContainer& container )
 {
-  if( mController->Relayout( size ) ||
+  DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::OnRelayout\n" );
+
+  const Text::Controller::UpdateTextType updateTextType = mController->Relayout( size );
+
+  if( ( Text::Controller::NONE_UPDATED != ( Text::Controller::MODEL_UPDATED & updateTextType ) ) ||
       !mRenderer )
   {
     if( !mRenderer )
     {
-      mRenderer = Backend::Get().NewRenderer( mRenderingBackend );
+      mRenderer = Text::Backend::Get().NewRenderer( mRenderingBackend );
     }
     RenderText();
   }
@@ -549,11 +831,17 @@ void TextLabel::RequestTextRelayout()
 
 void TextLabel::RenderText()
 {
+  DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::RenderText IsAutoScrollEnabled[%s] [%p]\n", ( mController->IsAutoScrollEnabled())?"true":"false", this );
+
   Actor self = Self();
   Actor renderableActor;
+
+  float alignmentOffset = 0.f;
   if( mRenderer )
   {
-    renderableActor = mRenderer->Render( mController->GetView(), DepthIndex::TEXT );
+    renderableActor = mRenderer->Render( mController->GetView(),
+                                         alignmentOffset,
+                                         DepthIndex::CONTENT );
   }
 
   if( renderableActor != mRenderableActor )
@@ -562,16 +850,44 @@ void TextLabel::RenderText()
 
     if( renderableActor )
     {
-      // TODO: Scroll and alignment needs to be refactored.
-      const Vector2& alignmentOffset = mController->GetAlignmentOffset();
-      renderableActor.SetPosition( 0.f, alignmentOffset.y );
+      const Vector2& scrollOffset = mController->GetTextModel()->GetScrollPosition();
+      renderableActor.SetPosition( scrollOffset.x + alignmentOffset, scrollOffset.y );
 
       self.Add( renderableActor );
     }
     mRenderableActor = renderableActor;
+
+    if ( mController->IsAutoScrollEnabled() )
+    {
+      SetUpAutoScrolling();
+    }
   }
 }
 
+void TextLabel::SetUpAutoScrolling()
+{
+  const Size& controlSize = mController->GetView().GetControlSize();
+  const Size offScreenSize = GetNaturalSize().GetVectorXY(); // As relayout of text may not be done at this point natural size is used to get size. Single line scrolling only.
+  const float alignmentOffset = mController->GetAutoScrollLineAlignment();
+  const Text::CharacterDirection direction = mController->GetAutoScrollDirection();
+
+  DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling alignmentOffset[%f] offScreenSize[%f,%f] controlSize[%f,%f]\n",
+                 alignmentOffset, offScreenSize.x,offScreenSize.y , controlSize.x,controlSize.y );
+
+  if ( !mTextScroller )
+  {
+    DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::SetUpAutoScrolling Creating default TextScoller\n" );
+
+    // If speed, loopCount or gap not set via property system then will need to create a TextScroller with defaults
+    mTextScroller = Text::TextScroller::New( *this );
+  }
+  mTextScroller->SetParameters( mRenderableActor, controlSize, offScreenSize, direction, alignmentOffset, mController->GetHorizontalAlignment() );
+
+  Actor self = Self();
+  self.Add( mTextScroller->GetScrollingText() );
+  self.Add( mTextScroller->GetSourceCamera() );
+}
+
 void TextLabel::OnStageConnect( Dali::Actor actor )
 {
   if ( mHasBeenStaged )
@@ -584,31 +900,17 @@ void TextLabel::OnStageConnect( Dali::Actor actor )
   }
 }
 
-void TextLabel::AddDecoration( Actor& actor, bool needsClipping )
-{
-  // TextLabel does not show decorations
-}
-
-void TextLabel::OnStageConnection( int depth )
-{
-  // Call the Control::OnStageConnection() to set the depth of the background.
-  Control::OnStageConnection( depth );
-
-  // The depth of the text renderer is set in the RenderText() called from OnRelayout().
-}
-
-void TextLabel::TextChanged()
-{
-  // TextLabel does not provide a signal for this
-}
-
-void TextLabel::MaxLengthReached()
+void TextLabel::ScrollingFinished()
 {
-  // Pure Virtual from TextController Interface, only needed when inputting text
+  // Pure Virtual from TextScroller Interface
+  DALI_LOG_INFO( gLogFilter, Debug::General, "TextLabel::ScrollingFinished\n");
+  mController->SetAutoScrollEnabled( false );
+  mController->SetTextElideEnabled( true );
+  RequestTextRelayout();
 }
 
 TextLabel::TextLabel()
-: Control( ControlBehaviour( REQUIRES_STYLE_CHANGE_SIGNALS ) ),
+: Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) ),
   mRenderingBackend( DEFAULT_RENDERING_BACKEND ),
   mHasBeenStaged( false )
 {