[Tizen] Support scroll in web view.

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / web-view / web-view-impl.cpp

diff --git a/dali-toolkit/internal/controls/web-view/web-view-impl.cpp b/dali-toolkit/internal/controls/web-view/web-view-impl.cpp
old mode 100644 (file)
new mode 100755 (executable)
index abc2970..d48decc
--- a/dali-toolkit/internal/controls/web-view/web-view-impl.cpp
+++ b/dali-toolkit/internal/controls/web-view/web-view-impl.cpp
@@ -31,6 +31,7 @@
 #include <dali-toolkit/devel-api/controls/control-devel.h>
 #include <dali-toolkit/devel-api/image-loader/texture-manager.h>
 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
+#include <dali-toolkit/public-api/visuals/image-visual-properties.h>
 
 namespace Dali
 {
@@ -71,15 +72,64 @@ DALI_PROPERTY_REGISTRATION( Toolkit, WebView, "enableJavaScript",        BOOLEAN
 DALI_PROPERTY_REGISTRATION( Toolkit, WebView, "loadImagesAutomatically", BOOLEAN, LOAD_IMAGES_AUTOMATICALLY  )
 DALI_PROPERTY_REGISTRATION( Toolkit, WebView, "defaultTextEncodingName", STRING,  DEFAULT_TEXT_ENCODING_NAME )
 DALI_PROPERTY_REGISTRATION( Toolkit, WebView, "defaultFontSize",         INTEGER, DEFAULT_FONT_SIZE          )
+DALI_PROPERTY_REGISTRATION( Toolkit, WebView, "scrollPosition",          VECTOR2, SCROLL_POSITION            )
+DALI_PROPERTY_REGISTRATION( Toolkit, WebView, "scrollSize",              VECTOR2, SCROLL_SIZE                )
+DALI_PROPERTY_REGISTRATION( Toolkit, WebView, "contentSize",             VECTOR2, CONTENT_SIZE               )
 
 DALI_SIGNAL_REGISTRATION(   Toolkit, WebView, "pageLoadStarted",         PAGE_LOAD_STARTED_SIGNAL            )
 DALI_SIGNAL_REGISTRATION(   Toolkit, WebView, "pageLoadFinished",        PAGE_LOAD_FINISHED_SIGNAL           )
 DALI_SIGNAL_REGISTRATION(   Toolkit, WebView, "pageLoadError",           PAGE_LOAD_ERROR_SIGNAL              )
+DALI_SIGNAL_REGISTRATION(   Toolkit, WebView, "scrollEdgeReached",       SCROLL_EDGE_REACHED_SIGNAL          )
 
 DALI_TYPE_REGISTRATION_END()
 
 const std::string kEmptyString;
 
+const char* DEFAULT_SAMPLER_TYPENAME = "sampler2D";
+
+const char* FRAGMENT_SHADER_TEXTURE = DALI_COMPOSE_SHADER(
+  varying mediump vec2 vTexCoord;\n
+  uniform sampler2D sTexture;\n
+  uniform lowp vec4 uColor;\n
+  uniform lowp vec3 mixColor;\n
+  uniform lowp float preMultipliedAlpha;\n
+  \n
+  void main()\n
+  {\n
+      gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor * vec4( mixColor, 1.0 );\n
+  }\n
+);
+
+Dali::Toolkit::Visual::Base CreateNativeImageVisual( NativeImageInterfacePtr nativeImageInterface )
+{
+  std::string fragmentShader;
+
+  const char* fragmentPrefix = nativeImageInterface->GetCustomFragmentPrefix();
+  if( fragmentPrefix )
+  {
+    fragmentShader = fragmentPrefix;
+    fragmentShader += FRAGMENT_SHADER_TEXTURE;
+  }
+  else
+  {
+    fragmentShader = FRAGMENT_SHADER_TEXTURE;
+  }
+
+  const char* customSamplerTypename = nativeImageInterface->GetCustomSamplerTypename();
+  if( customSamplerTypename )
+  {
+    fragmentShader.replace( fragmentShader.find( DEFAULT_SAMPLER_TYPENAME ), strlen( DEFAULT_SAMPLER_TYPENAME ), customSamplerTypename );
+  }
+
+  Texture texture = Dali::Texture::New( *nativeImageInterface );
+  const std::string nativeImageUrl = Dali::Toolkit::TextureManager::AddTexture( texture );
+
+  return Toolkit::VisualFactory::Get().CreateVisual(
+    { { Toolkit::Visual::Property::TYPE,  Toolkit::Visual::IMAGE } ,
+      { Toolkit::Visual::Property::SHADER, { { Toolkit::Visual::Shader::Property::FRAGMENT_SHADER, fragmentShader } } },
+      { Toolkit::ImageVisual::Property::URL, nativeImageUrl } } );
+}
+
 } // anonymous namepsace
 
 #define GET_ENUM_STRING( structName, inputExp ) \
@@ -137,13 +187,14 @@ Toolkit::WebView WebView::New( const std::string& locale, const std::string& tim
 void WebView::OnInitialize()
 {
   Self().SetProperty( Actor::Property::KEYBOARD_FOCUSABLE, true );
-  Self().TouchSignal().Connect( this, &WebView::OnTouchEvent );
+  Self().TouchedSignal().Connect( this, &WebView::OnTouchEvent );
 
   if( mWebEngine )
   {
     mWebEngine.PageLoadStartedSignal().Connect( this, &WebView::OnPageLoadStarted );
     mWebEngine.PageLoadFinishedSignal().Connect( this, &WebView::OnPageLoadFinished );
     mWebEngine.PageLoadErrorSignal().Connect( this, &WebView::OnPageLoadError );
+    mWebEngine.ScrollEdgeReachedSignal().Connect( this, &WebView::OnScrollEdgeReached );
   }
 }
 
@@ -152,11 +203,7 @@ void WebView::LoadUrl( const std::string& url )
   mUrl = url;
   if( mWebEngine )
   {
-    Texture texture = Dali::Texture::New( *mWebEngine.GetNativeImageSource() );
-    const std::string nativeImageUrl = Dali::Toolkit::TextureManager::AddTexture( texture );
-    mVisual = Toolkit::VisualFactory::Get().CreateVisual(
-      { { Toolkit::Visual::Property::TYPE,  Toolkit::Visual::IMAGE } ,
-        { Toolkit::ImageVisual::Property::URL, nativeImageUrl } } );
+    mVisual = CreateNativeImageVisual( mWebEngine.GetNativeImageSource() );
 
     if( mVisual )
     {
@@ -171,11 +218,7 @@ void WebView::LoadHTMLString( const std::string& htmlString )
 {
   if( mWebEngine )
   {
-    Texture texture = Dali::Texture::New( *mWebEngine.GetNativeImageSource() );
-    const std::string nativeImageUrl = Dali::Toolkit::TextureManager::AddTexture( texture );
-    mVisual = Toolkit::VisualFactory::Get().CreateVisual(
-      { { Toolkit::Visual::Property::TYPE,  Toolkit::Visual::IMAGE } ,
-        { Toolkit::ImageVisual::Property::URL, nativeImageUrl } } );
+    mVisual = CreateNativeImageVisual( mWebEngine.GetNativeImageSource() );
 
     if( mVisual )
     {
@@ -217,6 +260,14 @@ void WebView::Resume()
   }
 }
 
+void WebView::ScrollBy( int deltaX, int deltaY )
+{
+  if ( mWebEngine )
+  {
+    mWebEngine.ScrollBy( deltaX, deltaY );
+  }
+}
+
 bool WebView::CanGoForward()
 {
   return mWebEngine ? mWebEngine.CanGoForward() : false;
@@ -298,6 +349,11 @@ Dali::Toolkit::WebView::WebViewPageLoadErrorSignalType& WebView::PageLoadErrorSi
   return mPageLoadErrorSignal;
 }
 
+Dali::Toolkit::WebView::WebViewScrollEdgeReachedSignalType& WebView::ScrollEdgeReachedSignal()
+{
+  return mScrollEdgeReachedSignal;
+}
+
 void WebView::OnPageLoadStarted( const std::string& url )
 {
   if( !mPageLoadStartedSignal.Empty() )
@@ -325,6 +381,15 @@ void WebView::OnPageLoadError( const std::string& url, int errorCode )
   }
 }
 
+void WebView::OnScrollEdgeReached( Dali::WebEnginePlugin::ScrollEdge edge )
+{
+  if( !mScrollEdgeReachedSignal.Empty() )
+  {
+    Dali::Toolkit::WebView handle( GetOwner() );
+    mScrollEdgeReachedSignal.Emit( handle, edge );
+  }
+}
+
 bool WebView::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
 {
   Dali::BaseHandle handle( object );
@@ -347,6 +412,11 @@ bool WebView::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* t
     webView.PageLoadErrorSignal().Connect( tracker, functor );
     connected = true;
   }
+  else if( 0 == strcmp( signalName.c_str(), SCROLL_EDGE_REACHED_SIGNAL ) )
+  {
+    webView.ScrollEdgeReachedSignal().Connect( tracker, functor );
+    connected = true;
+  }
 
   return connected;
 }
@@ -455,6 +525,15 @@ void WebView::SetProperty( BaseObject* object, Property::Index index, const Prop
         }
         break;
       }
+      case Toolkit::WebView::Property::SCROLL_POSITION:
+      {
+        Vector2 input;
+        if ( value.Get( input ) )
+        {
+          impl.SetScrollPosition( input.x, input.y );
+        }
+        break;
+      }
     }
   }
 }
@@ -510,6 +589,27 @@ Property::Value WebView::GetProperty( BaseObject* object, Property::Index proper
         value = impl.GetDefaultFontSize();
         break;
       }
+      case Toolkit::WebView::Property::SCROLL_POSITION:
+      {
+        int x, y;
+        impl.GetScrollPosition( x, y );
+        value = Vector2( x, y );
+        break;
+      }
+      case Toolkit::WebView::Property::SCROLL_SIZE:
+      {
+        int width, height;
+        impl.GetScrollSize( width, height );
+        value = Vector2( width, height );
+        break;
+      }
+      case Toolkit::WebView::Property::CONTENT_SIZE:
+      {
+        int width, height;
+        impl.GetContentSize( width, height );
+        value = Vector2( width, height );
+        break;
+      }
       default:
          break;
     }
@@ -518,7 +618,7 @@ Property::Value WebView::GetProperty( BaseObject* object, Property::Index proper
   return value;
 }
 
-bool WebView::OnTouchEvent( Actor actor, const Dali::TouchData& touch )
+bool WebView::OnTouchEvent( Actor actor, const Dali::TouchEvent& touch )
 {
   bool result = false;
 
@@ -540,6 +640,58 @@ bool WebView::OnKeyEvent( const Dali::KeyEvent& event )
   return result;
 }
 
+void WebView::OnKeyInputFocusGained()
+{
+  if( mWebEngine )
+  {
+    mWebEngine.SetFocus( true );
+  }
+
+  EmitKeyInputFocusSignal( true ); // Calls back into the Control hence done last.
+}
+
+void WebView::OnKeyInputFocusLost()
+{
+  if( mWebEngine )
+  {
+    mWebEngine.SetFocus( false );
+  }
+
+  EmitKeyInputFocusSignal( false ); // Calls back into the Control hence done last.
+}
+
+void WebView::SetScrollPosition( int x, int y )
+{
+  if( mWebEngine )
+  {
+    mWebEngine.SetScrollPosition( x, y );
+  }
+}
+
+void WebView::GetScrollPosition( int& x, int& y ) const
+{
+  if( mWebEngine )
+  {
+    mWebEngine.GetScrollPosition( x, y );
+  }
+}
+
+void WebView::GetScrollSize( int& width, int& height ) const
+{
+  if( mWebEngine )
+  {
+    mWebEngine.GetScrollSize( width, height );
+  }
+}
+
+void WebView::GetContentSize( int& width, int& height ) const
+{
+  if( mWebEngine )
+  {
+    mWebEngine.GetContentSize( width, height );
+  }
+}
+
 Toolkit::WebView::CacheModel::Type WebView::GetCacheModel() const
 {
   return mWebEngine ? static_cast< Toolkit::WebView::CacheModel::Type >( mWebEngine.GetCacheModel() ) : Toolkit::WebView::CacheModel::DOCUMENT_VIEWER;