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Add WebView SetTtsFocus
[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 100755 (executable)
new mode 100644 (file)
index 86b39c2..5adfe5d
--- a/dali-toolkit/internal/controls/web-view/web-view-impl.cpp
+++ b/dali-toolkit/internal/controls/web-view/web-view-impl.cpp
@@ -87,28 +87,26 @@ DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "pageZoomFactor",          FLOAT,
 DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "textZoomFactor",          FLOAT,   TEXT_ZOOM_FACTOR          )
 DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "loadProgressPercentage",  FLOAT,   LOAD_PROGRESS_PERCENTAGE  )
 
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "pageLoadStarted",         PAGE_LOAD_STARTED_SIGNAL         )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "pageLoadInProgress",      PAGE_LOAD_IN_PROGRESS_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_SIGNAL_REGISTRATION(Toolkit, WebView, "urlChanged",              URL_CHANGED_SIGNAL               )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "formRepostDecision",      FORM_REPOST_DECISION_SIGNAL      )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "frameRendered",           FRAME_RENDERED_SIGNAL            )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "requestInterceptor",      REQUEST_INTERCEPTOR_SIGNAL       )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "consoleMessage",          CONSOLE_MESSAGE_SIGNAL           )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "responsePolicyDecided",   POLICY_DECISION                  )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "certificateConfirm",      CERTIFICATE_CONFIRM_SIGNAL       )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "sslCertificateChanged",   SSL_CERTIFICATE_CHANGED_SIGNAL   )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "httpAuthRequest",         HTTP_AUTH_REQUEST_SIGNAL         )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "contextMenuCustomized",   CONTEXT_MENU_CUSTOMIZED_SIGNAL   )
-DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "contextMenuItemSelected", CONTEXT_MENU_ITEM_SELECTED_SIGNAL)
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "pageLoadStarted",       PAGE_LOAD_STARTED_SIGNAL      )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "pageLoadInProgress",    PAGE_LOAD_IN_PROGRESS_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_SIGNAL_REGISTRATION(Toolkit, WebView, "urlChanged",            URL_CHANGED_SIGNAL            )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "formRepostDecision",    FORM_REPOST_DECISION_SIGNAL   )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "frameRendered",         FRAME_RENDERED_SIGNAL         )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "requestInterceptor",    REQUEST_INTERCEPTOR_SIGNAL    )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "consoleMessage",        CONSOLE_MESSAGE_SIGNAL        )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "responsePolicyDecided", POLICY_DECISION               )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "certificateConfirm",    CERTIFICATE_CONFIRM_SIGNAL    )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "sslCertificateChanged", SSL_CERTIFICATE_CHANGED_SIGNAL)
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "httpAuthRequest",       HTTP_AUTH_REQUEST_SIGNAL      )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "contextMenuShown",      CONTEXT_MENU_SHOWN_SIGNAL     )
+DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "contextMenuHidden",     CONTEXT_MENU_HIDDEN_SIGNAL    )
 
 DALI_TYPE_REGISTRATION_END()
 // clang-format on
 
-const std::string kEmptyString;
-
 } // namespace
 
 #define GET_ENUM_STRING(structName, inputExp) \
@@ -119,7 +117,6 @@ const std::string kEmptyString;
 
 WebView::WebView(const std::string& locale, const std::string& timezoneId)
 : Control(ControlBehaviour(ACTOR_BEHAVIOUR_DEFAULT | DISABLE_STYLE_CHANGE_SIGNALS)),
-  mUrl(),
   mVisual(),
   mWebViewSize(Stage::GetCurrent().GetSize()),
   mWebEngine(),
@@ -130,7 +127,8 @@ WebView::WebView(const std::string& locale, const std::string& timezoneId)
   mWebViewArea(0, 0, mWebViewSize.width, mWebViewSize.height),
   mVideoHoleEnabled(true),
   mMouseEventsEnabled(true),
-  mKeyEventsEnabled(true)
+  mKeyEventsEnabled(true),
+  mScreenshotCapturedCallback(nullptr)
 {
   mWebEngine = Dali::WebEngine::New();
 
@@ -143,7 +141,6 @@ WebView::WebView(const std::string& locale, const std::string& timezoneId)
 
 WebView::WebView(uint32_t argc, char** argv)
 : Control(ControlBehaviour(ACTOR_BEHAVIOUR_DEFAULT | DISABLE_STYLE_CHANGE_SIGNALS)),
-  mUrl(),
   mVisual(),
   mWebViewSize(Stage::GetCurrent().GetSize()),
   mWebEngine(),
@@ -154,7 +151,8 @@ WebView::WebView(uint32_t argc, char** argv)
   mWebViewArea(0, 0, mWebViewSize.width, mWebViewSize.height),
   mVideoHoleEnabled(true),
   mMouseEventsEnabled(true),
-  mKeyEventsEnabled(true)
+  mKeyEventsEnabled(true),
+  mScreenshotCapturedCallback(nullptr)
 {
   mWebEngine = Dali::WebEngine::New();
 
@@ -238,8 +236,8 @@ void WebView::OnInitialize()
     mWebEngine.CertificateConfirmSignal().Connect(this, &WebView::OnCertificateConfirm);
     mWebEngine.SslCertificateChangedSignal().Connect(this, &WebView::OnSslCertificateChanged);
     mWebEngine.HttpAuthHandlerSignal().Connect(this, &WebView::OnHttpAuthenticationRequest);
-    mWebEngine.ContextMenuCustomizedSignal().Connect(this, &WebView::OnContextMenuCustomized);
-    mWebEngine.ContextMenuItemSelectedSignal().Connect(this, &WebView::OnContextMenuItemSelected);
+    mWebEngine.ContextMenuShownSignal().Connect(this, &WebView::OnContextMenuShown);
+    mWebEngine.ContextMenuHiddenSignal().Connect(this, &WebView::OnContextMenuHidden);
 
     mWebContext         = std::unique_ptr<Dali::Toolkit::WebContext>(new WebContext(mWebEngine.GetContext()));
     mWebCookieManager   = std::unique_ptr<Dali::Toolkit::WebCookieManager>(new WebCookieManager(mWebEngine.GetCookieManager()));
@@ -268,38 +266,27 @@ Dali::Toolkit::WebBackForwardList* WebView::GetBackForwardList() const
   return mWebBackForwardList.get();
 }
 
-Dali::Toolkit::ImageView& WebView::GetFavicon()
+Dali::Toolkit::ImageView WebView::GetFavicon() const
 {
+  Dali::Toolkit::ImageView faviconView;
   if(mWebEngine)
   {
     Dali::PixelData pixelData = mWebEngine.GetFavicon();
-    mFaviconView              = CreateImageView(pixelData);
+    faviconView               = CreateImageView(pixelData);
   }
-  return mFaviconView;
+  return faviconView;
 }
 
 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}});
-
-    if(mVisual)
+    if(!mVisual)
     {
-      // Clean up previously registered visual and add new one.
-      DevelControl::RegisterVisual(*this, Toolkit::WebView::Property::URL, mVisual);
-      mWebEngine.LoadUrl(url);
+      mWebEngine.FrameRenderedSignal().Connect(this, &WebView::OnInitialFrameRendered);
     }
 
-    if(mVideoHoleEnabled)
-    {
-      EnableBlendMode(false);
-    }
+    mWebEngine.LoadUrl(url);
   }
 }
 
@@ -307,22 +294,12 @@ 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}});
-
-    if(mVisual)
+    if(!mVisual)
     {
-      DevelControl::RegisterVisual(*this, Toolkit::WebView::Property::URL, mVisual);
-      mWebEngine.LoadHtmlString(htmlString);
+      mWebEngine.FrameRenderedSignal().Connect(this, &WebView::OnInitialFrameRendered);
     }
 
-    if(mVideoHoleEnabled)
-    {
-      EnableBlendMode(false);
-    }
+    mWebEngine.LoadHtmlString(htmlString);
   }
 }
 
@@ -331,24 +308,12 @@ bool WebView::LoadHtmlStringOverrideCurrentEntry(const std::string& html, const
   if(!mWebEngine)
     return false;
 
-  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}});
-
-  bool result = false;
-  if(mVisual)
+  if(!mVisual)
   {
-    DevelControl::RegisterVisual(*this, Toolkit::WebView::Property::URL, mVisual);
-    result = mWebEngine.LoadHtmlStringOverrideCurrentEntry(html, basicUri, unreachableUrl);
+    mWebEngine.FrameRenderedSignal().Connect(this, &WebView::OnInitialFrameRendered);
   }
 
-  if(mVideoHoleEnabled)
-  {
-    EnableBlendMode(false);
-  }
-  return result;
+  return mWebEngine.LoadHtmlStringOverrideCurrentEntry(html, basicUri, unreachableUrl);
 }
 
 bool WebView::LoadContents(const std::string& contents, uint32_t contentSize, const std::string& mimeType, const std::string& encoding, const std::string& baseUri)
@@ -356,24 +321,12 @@ bool WebView::LoadContents(const std::string& contents, uint32_t contentSize, co
   if(!mWebEngine)
     return false;
 
-  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}});
-
-  bool result = false;
-  if(mVisual)
+  if(!mVisual)
   {
-    DevelControl::RegisterVisual(*this, Toolkit::WebView::Property::URL, mVisual);
-    result = mWebEngine.LoadContents(contents, contentSize, mimeType, encoding, baseUri);
+    mWebEngine.FrameRenderedSignal().Connect(this, &WebView::OnInitialFrameRendered);
   }
 
-  if(mVideoHoleEnabled)
-  {
-    EnableBlendMode(false);
-  }
-  return result;
+  return mWebEngine.LoadContents(contents, contentSize, mimeType, encoding, baseUri);
 }
 
 void WebView::Reload()
@@ -653,6 +606,14 @@ void WebView::RegisterGeolocationPermissionCallback(Dali::WebEnginePlugin::Geolo
   }
 }
 
+void WebView::SetTtsFocus(bool focused)
+{
+  if(mWebEngine && !HasKeyInputFocus())
+  {
+    mWebEngine.SetFocus(focused);
+  }
+}
+
 void WebView::UpdateDisplayArea(Dali::PropertyNotification& /*source*/)
 {
   if(!mWebEngine)
@@ -706,8 +667,13 @@ void WebView::EnableBlendMode(bool blendEnabled)
   }
 }
 
-Dali::Toolkit::ImageView WebView::CreateImageView(Dali::PixelData pixel)
+Dali::Toolkit::ImageView WebView::CreateImageView(Dali::PixelData pixel) const
 {
+  if(!pixel)
+  {
+    return Dali::Toolkit::ImageView();
+  }
+
   std::string              url       = Dali::Toolkit::Image::GenerateUrl(pixel);
   Dali::Toolkit::ImageView imageView = Dali::Toolkit::ImageView::New(url);
   imageView.SetProperty(Dali::Actor::Property::SIZE, Vector2(pixel.GetWidth(), pixel.GetHeight()));
@@ -784,14 +750,14 @@ Dali::Toolkit::WebView::WebViewHttpAuthHandlerSignalType& WebView::HttpAuthHandl
   return mHttpAuthHandlerSignal;
 }
 
-Dali::Toolkit::WebView::WebViewContextMenuCustomizedSignalType& WebView::ContextMenuCustomizedSignal()
+Dali::Toolkit::WebView::WebViewContextMenuShownSignalType& WebView::ContextMenuShownSignal()
 {
-  return mContextMenuCustomizedSignal;
+  return mContextMenuShownSignal;
 }
 
-Dali::Toolkit::WebView::WebViewContextMenuItemSelectedSignalType& WebView::ContextMenuItemSelectedSignal()
+Dali::Toolkit::WebView::WebViewContextMenuHiddenSignalType& WebView::ContextMenuHiddenSignal()
 {
-  return mContextMenuItemSelectedSignal;
+  return mContextMenuHiddenSignal;
 }
 
 void WebView::OnPageLoadStarted(const std::string& url)
@@ -866,6 +832,21 @@ void WebView::OnFrameRendered()
   }
 }
 
+void WebView::OnInitialFrameRendered()
+{
+  mWebEngine.FrameRenderedSignal().Disconnect(this, &WebView::OnInitialFrameRendered);
+
+  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}});
+
+  if(mVisual)
+  {
+    DevelControl::RegisterVisual(*this, Toolkit::WebView::Property::URL, mVisual);
+    EnableBlendMode(!mVideoHoleEnabled);
+  }
+}
+
 void WebView::OnVisibilityChanged(Actor actor, bool isVisible, Dali::DevelActor::VisibilityChange::Type type)
 {
   if(type == Dali::DevelActor::VisibilityChange::Type::SELF)
@@ -937,21 +918,21 @@ void WebView::OnHttpAuthenticationRequest(std::shared_ptr<Dali::WebEngineHttpAut
   }
 }
 
-void WebView::OnContextMenuCustomized(std::shared_ptr<Dali::WebEngineContextMenu> menu)
+void WebView::OnContextMenuShown(std::shared_ptr<Dali::WebEngineContextMenu> menu)
 {
-  if(!mContextMenuCustomizedSignal.Empty())
+  if(!mContextMenuShownSignal.Empty())
   {
     Dali::Toolkit::WebView handle(GetOwner());
-    mContextMenuCustomizedSignal.Emit(handle, std::move(menu));
+    mContextMenuShownSignal.Emit(handle, std::move(menu));
   }
 }
 
-void WebView::OnContextMenuItemSelected(std::shared_ptr<Dali::WebEngineContextMenuItem> item)
+void WebView::OnContextMenuHidden(std::shared_ptr<Dali::WebEngineContextMenu> menu)
 {
-  if(!mContextMenuItemSelectedSignal.Empty())
+  if(!mContextMenuHiddenSignal.Empty())
   {
     Dali::Toolkit::WebView handle(GetOwner());
-    mContextMenuItemSelectedSignal.Emit(handle, std::move(item));
+    mContextMenuHiddenSignal.Emit(handle, std::move(menu));
   }
 }
 
@@ -1032,14 +1013,14 @@ bool WebView::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tr
     webView.HttpAuthHandlerSignal().Connect(tracker, functor);
     connected = true;
   }
-  else if(0 == strcmp(signalName.c_str(), CONTEXT_MENU_CUSTOMIZED_SIGNAL))
+  else if(0 == strcmp(signalName.c_str(), CONTEXT_MENU_SHOWN_SIGNAL))
   {
-    webView.ContextMenuCustomizedSignal().Connect(tracker, functor);
+    webView.ContextMenuShownSignal().Connect(tracker, functor);
     connected = true;
   }
-  else if(0 == strcmp(signalName.c_str(), CONTEXT_MENU_ITEM_SELECTED_SIGNAL))
+  else if(0 == strcmp(signalName.c_str(), CONTEXT_MENU_HIDDEN_SIGNAL))
   {
-    webView.ContextMenuItemSelectedSignal().Connect(tracker, functor);
+    webView.ContextMenuHiddenSignal().Connect(tracker, functor);
     connected = true;
   }
 
@@ -1201,7 +1182,7 @@ Property::Value WebView::GetProperty(BaseObject* object, Property::Index propert
     {
       case Toolkit::WebView::Property::URL:
       {
-        value = impl.mUrl;
+        value = impl.GetUrl();
         break;
       }
       case Toolkit::WebView::Property::USER_AGENT:
@@ -1359,7 +1340,7 @@ Dali::Vector2 WebView::GetContentSize() const
 
 std::string WebView::GetTitle() const
 {
-  return mWebEngine ? mWebEngine.GetTitle() : kEmptyString;
+  return mWebEngine ? mWebEngine.GetTitle() : std::string();
 }
 
 void WebView::SetDocumentBackgroundColor(Dali::Vector4 color)
@@ -1396,12 +1377,17 @@ void WebView::EnableCursorByClient(bool enabled)
 
 std::string WebView::GetSelectedText() const
 {
-  return mWebEngine ? mWebEngine.GetSelectedText() : kEmptyString;
+  return mWebEngine ? mWebEngine.GetSelectedText() : std::string();
+}
+
+std::string WebView::GetUrl() const
+{
+  return mWebEngine ? mWebEngine.GetUrl() : std::string();
 }
 
-const std::string& WebView::GetUserAgent() const
+std::string WebView::GetUserAgent() const
 {
-  return mWebEngine ? mWebEngine.GetUserAgent() : kEmptyString;
+  return mWebEngine ? mWebEngine.GetUserAgent() : std::string();
 }
 
 void WebView::SetUserAgent(const std::string& userAgent)
Domain: Graphics System / DALi;