dali-toolkit/internal/controls/web-view/web-view-impl.cpp

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include "web-view-impl.h"
  20
  21 // EXTERNAL INCLUDES
  22 #include <dali/devel-api/adaptor-framework/web-engine-back-forward-list.h>
  23 #include <dali/devel-api/adaptor-framework/web-engine-context.h>
  24 #include <dali/devel-api/adaptor-framework/web-engine-cookie-manager.h>
  25 #include <dali/devel-api/adaptor-framework/web-engine-settings.h>
  26 #include <dali/devel-api/common/stage.h>
  27 #include <dali/devel-api/scripting/enum-helper.h>
  28 #include <dali/devel-api/scripting/scripting.h>
  29 #include <dali/public-api/adaptor-framework/native-image-source.h>
  30 #include <dali/public-api/object/type-registry-helper.h>
  31 #include <dali/public-api/object/type-registry.h>
  32 #include <cstring>
  33
  34 // INTERNAL INCLUDES
  35 #include <dali-toolkit/devel-api/controls/control-devel.h>
  36 #include <dali-toolkit/devel-api/controls/web-view/web-back-forward-list.h>
  37 #include <dali-toolkit/devel-api/controls/web-view/web-context.h>
  38 #include <dali-toolkit/devel-api/controls/web-view/web-cookie-manager.h>
  39 #include <dali-toolkit/devel-api/controls/web-view/web-settings.h>
  40 #include <dali-toolkit/devel-api/image-loader/texture-manager.h>
  41 #include <dali-toolkit/internal/visuals/visual-factory-impl.h>
  42 #include <dali-toolkit/public-api/image-loader/image.h>
  43 #include <dali-toolkit/public-api/visuals/image-visual-properties.h>
  44
  45 namespace Dali
  46 {
  47 namespace Toolkit
  48 {
  49 namespace Internal
  50 {
  51 namespace
  52 {
  53 BaseHandle Create()
  54 {
  55   return Toolkit::WebView::New();
  56 }
  57
  58 // clang-format off
  59 DALI_TYPE_REGISTRATION_BEGIN(Toolkit::WebView, Toolkit::Control, Create)
  60
  61 DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "url",              STRING,  URL               )
  62 DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "userAgent",        STRING,  USER_AGENT        )
  63 DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "scrollPosition",   VECTOR2, SCROLL_POSITION   )
  64 DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "scrollSize",       VECTOR2, SCROLL_SIZE       )
  65 DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "contentSize",      VECTOR2, CONTENT_SIZE      )
  66 DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "title",            STRING,  TITLE             )
  67 DALI_PROPERTY_REGISTRATION(Toolkit, WebView, "videoHoleEnabled", BOOLEAN, VIDEO_HOLE_ENABLED)
  68
  69 DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "pageLoadStarted",   PAGE_LOAD_STARTED_SIGNAL  )
  70 DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "pageLoadFinished",  PAGE_LOAD_FINISHED_SIGNAL )
  71 DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "pageLoadError",     PAGE_LOAD_ERROR_SIGNAL    )
  72 DALI_SIGNAL_REGISTRATION(Toolkit, WebView, "scrollEdgeReached", SCROLL_EDGE_REACHED_SIGNAL)
  73
  74 DALI_TYPE_REGISTRATION_END()
  75 // clang-format on
  76
  77 const std::string kEmptyString;
  78
  79 } // namespace
  80
  81 #define GET_ENUM_STRING(structName, inputExp) \
  82   Scripting::GetLinearEnumerationName<Toolkit::WebView::structName::Type>(static_cast<Toolkit::WebView::structName::Type>(inputExp), structName##_TABLE, structName##_TABLE_COUNT)
  83
  84 #define GET_ENUM_VALUE(structName, inputExp, outputExp) \
  85   Scripting::GetEnumerationProperty<Toolkit::WebView::structName::Type>(inputExp, structName##_TABLE, structName##_TABLE_COUNT, outputExp)
  86
  87 WebView::WebView(const std::string& locale, const std::string& timezoneId)
  88 : Control(ControlBehaviour(ACTOR_BEHAVIOUR_DEFAULT | DISABLE_STYLE_CHANGE_SIGNALS)),
  89   mUrl(),
  90   mVisual(),
  91   mWebViewSize(Stage::GetCurrent().GetSize()),
  92   mWebEngine(),
  93   mPageLoadStartedSignal(),
  94   mPageLoadFinishedSignal(),
  95   mPageLoadErrorSignal(),
  96   mVideoHoleEnabled(true),
  97   mWebViewArea(0, 0, mWebViewSize.width, mWebViewSize.height)
  98 {
  99   mWebEngine = Dali::WebEngine::New();
 100
 101   // WebEngine is empty when it is not properly initialized.
 102   if(mWebEngine)
 103   {
 104     mWebEngine.Create(mWebViewSize.width, mWebViewSize.height, locale, timezoneId);
 105   }
 106 }
 107
 108 WebView::WebView(int argc, char** argv)
 109 : Control(ControlBehaviour(ACTOR_BEHAVIOUR_DEFAULT | DISABLE_STYLE_CHANGE_SIGNALS)),
 110   mUrl(),
 111   mVisual(),
 112   mWebViewSize(Stage::GetCurrent().GetSize()),
 113   mWebEngine(),
 114   mPageLoadStartedSignal(),
 115   mPageLoadFinishedSignal(),
 116   mPageLoadErrorSignal(),
 117   mVideoHoleEnabled(true),
 118   mWebViewArea(0, 0, mWebViewSize.width, mWebViewSize.height)
 119 {
 120   mWebEngine = Dali::WebEngine::New();
 121
 122   // WebEngine is empty when it is not properly initialized.
 123   if(mWebEngine)
 124   {
 125     mWebEngine.Create(mWebViewSize.width, mWebViewSize.height, argc, argv);
 126   }
 127 }
 128
 129 WebView::WebView()
 130 : WebView("", "")
 131 {
 132 }
 133
 134 WebView::~WebView()
 135 {
 136   if(mWebEngine)
 137   {
 138     mWebEngine.Destroy();
 139   }
 140 }
 141
 142 Toolkit::WebView WebView::New()
 143 {
 144   WebView*         impl   = new WebView();
 145   Toolkit::WebView handle = Toolkit::WebView(*impl);
 146
 147   impl->Initialize();
 148   return handle;
 149 }
 150
 151 Toolkit::WebView WebView::New(const std::string& locale, const std::string& timezoneId)
 152 {
 153   WebView*         impl   = new WebView(locale, timezoneId);
 154   Toolkit::WebView handle = Toolkit::WebView(*impl);
 155
 156   impl->Initialize();
 157   return handle;
 158 }
 159
 160 Toolkit::WebView WebView::New(int argc, char** argv)
 161 {
 162   WebView*         impl   = new WebView(argc, argv);
 163   Toolkit::WebView handle = Toolkit::WebView(*impl);
 164
 165   impl->Initialize();
 166   return handle;
 167 }
 168
 169 void WebView::OnInitialize()
 170 {
 171   Actor self = Self();
 172
 173   self.SetProperty(Actor::Property::KEYBOARD_FOCUSABLE, true);
 174   self.TouchedSignal().Connect(this, &WebView::OnTouchEvent);
 175
 176   mPositionUpdateNotification = self.AddPropertyNotification(Actor::Property::WORLD_POSITION, StepCondition(1.0f, 1.0f));
 177   mSizeUpdateNotification     = self.AddPropertyNotification(Actor::Property::SIZE, StepCondition(1.0f, 1.0f));
 178   mScaleUpdateNotification    = self.AddPropertyNotification(Actor::Property::WORLD_SCALE, StepCondition(0.1f, 1.0f));
 179   mPositionUpdateNotification.NotifySignal().Connect(this, &WebView::UpdateDisplayArea);
 180   mSizeUpdateNotification.NotifySignal().Connect(this, &WebView::UpdateDisplayArea);
 181   mScaleUpdateNotification.NotifySignal().Connect(this, &WebView::UpdateDisplayArea);
 182
 183   if(mWebEngine)
 184   {
 185     mWebEngine.PageLoadStartedSignal().Connect(this, &WebView::OnPageLoadStarted);
 186     mWebEngine.PageLoadFinishedSignal().Connect(this, &WebView::OnPageLoadFinished);
 187     mWebEngine.PageLoadErrorSignal().Connect(this, &WebView::OnPageLoadError);
 188     mWebEngine.ScrollEdgeReachedSignal().Connect(this, &WebView::OnScrollEdgeReached);
 189
 190     mWebContext         = std::unique_ptr<Dali::Toolkit::WebContext>(new WebContext(mWebEngine.GetContext()));
 191     mWebCookieManager   = std::unique_ptr<Dali::Toolkit::WebCookieManager>(new WebCookieManager(mWebEngine.GetCookieManager()));
 192     mWebSettings        = std::unique_ptr<Dali::Toolkit::WebSettings>(new WebSettings(mWebEngine.GetSettings()));
 193     mWebBackForwardList = std::unique_ptr<Dali::Toolkit::WebBackForwardList>(new WebBackForwardList(mWebEngine.GetBackForwardList()));
 194   }
 195 }
 196
 197 Dali::Toolkit::WebSettings* WebView::GetSettings() const
 198 {
 199   return mWebSettings.get();
 200 }
 201
 202 Dali::Toolkit::WebContext* WebView::GetContext() const
 203 {
 204   return mWebContext.get();
 205 }
 206
 207 Dali::Toolkit::WebCookieManager* WebView::GetCookieManager() const
 208 {
 209   return mWebCookieManager.get();
 210 }
 211
 212 Dali::Toolkit::WebBackForwardList* WebView::GetBackForwardList() const
 213 {
 214   return mWebBackForwardList.get();
 215 }
 216
 217 Dali::Toolkit::ImageView& WebView::GetFavicon()
 218 {
 219   if(mWebEngine)
 220   {
 221     Dali::PixelData pixelData = mWebEngine.GetFavicon();
 222     std::string     url       = Dali::Toolkit::Image::GenerateUrl(pixelData);
 223     mFaviconView              = Dali::Toolkit::ImageView::New(url);
 224     mFaviconView.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS);
 225     mFaviconView.SetProperty(Dali::Actor::Property::SIZE, Vector2(pixelData.GetWidth(), pixelData.GetHeight()));
 226   }
 227   return mFaviconView;
 228 }
 229
 230 void WebView::LoadUrl(const std::string& url)
 231 {
 232   mUrl = url;
 233   if(mWebEngine)
 234   {
 235     Texture           texture        = Dali::Texture::New(*mWebEngine.GetNativeImageSource());
 236     const std::string nativeImageUrl = Dali::Toolkit::TextureManager::AddTexture(texture);
 237     mVisual                          = Toolkit::VisualFactory::Get().CreateVisual(
 238       {{Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE},
 239        {Toolkit::ImageVisual::Property::URL, nativeImageUrl}});
 240
 241     if(mVisual)
 242     {
 243       // Clean up previously registered visual and add new one.
 244       DevelControl::RegisterVisual(*this, Toolkit::WebView::Property::URL, mVisual);
 245       mWebEngine.LoadUrl(url);
 246     }
 247
 248     if(mVideoHoleEnabled)
 249     {
 250       EnableBlendMode(false);
 251     }
 252   }
 253 }
 254
 255 void WebView::LoadHtmlString(const std::string& htmlString)
 256 {
 257   if(mWebEngine)
 258   {
 259     Texture           texture        = Dali::Texture::New(*mWebEngine.GetNativeImageSource());
 260     const std::string nativeImageUrl = Dali::Toolkit::TextureManager::AddTexture(texture);
 261     mVisual                          = Toolkit::VisualFactory::Get().CreateVisual(
 262       {{Toolkit::Visual::Property::TYPE, Toolkit::Visual::IMAGE},
 263        {Toolkit::ImageVisual::Property::URL, nativeImageUrl}});
 264
 265     if(mVisual)
 266     {
 267       DevelControl::RegisterVisual(*this, Toolkit::WebView::Property::URL, mVisual);
 268       mWebEngine.LoadHtmlString(htmlString);
 269     }
 270
 271     if(mVideoHoleEnabled)
 272     {
 273       EnableBlendMode(false);
 274     }
 275   }
 276 }
 277
 278 void WebView::Reload()
 279 {
 280   if(mWebEngine)
 281   {
 282     mWebEngine.Reload();
 283   }
 284 }
 285
 286 void WebView::StopLoading()
 287 {
 288   if(mWebEngine)
 289   {
 290     mWebEngine.StopLoading();
 291   }
 292 }
 293
 294 void WebView::Suspend()
 295 {
 296   if(mWebEngine)
 297   {
 298     mWebEngine.Suspend();
 299   }
 300 }
 301
 302 void WebView::Resume()
 303 {
 304   if(mWebEngine)
 305   {
 306     mWebEngine.Resume();
 307   }
 308 }
 309
 310 void WebView::ScrollBy(int deltaX, int deltaY)
 311 {
 312   if(mWebEngine)
 313   {
 314     mWebEngine.ScrollBy(deltaX, deltaY);
 315   }
 316 }
 317
 318 bool WebView::CanGoForward()
 319 {
 320   return mWebEngine ? mWebEngine.CanGoForward() : false;
 321 }
 322
 323 void WebView::GoForward()
 324 {
 325   if(mWebEngine)
 326   {
 327     mWebEngine.GoForward();
 328   }
 329 }
 330
 331 bool WebView::CanGoBack()
 332 {
 333   return mWebEngine ? mWebEngine.CanGoBack() : false;
 334 }
 335
 336 void WebView::GoBack()
 337 {
 338   if(mWebEngine)
 339   {
 340     mWebEngine.GoBack();
 341   }
 342 }
 343
 344 void WebView::EvaluateJavaScript(const std::string& script, std::function<void(const std::string&)> resultHandler)
 345 {
 346   if(mWebEngine)
 347   {
 348     mWebEngine.EvaluateJavaScript(script, resultHandler);
 349   }
 350 }
 351
 352 void WebView::AddJavaScriptMessageHandler(const std::string& exposedObjectName, std::function<void(const std::string&)> handler)
 353 {
 354   if(mWebEngine)
 355   {
 356     mWebEngine.AddJavaScriptMessageHandler(exposedObjectName, handler);
 357   }
 358 }
 359
 360 void WebView::ClearAllTilesResources()
 361 {
 362   if(mWebEngine)
 363   {
 364     mWebEngine.ClearAllTilesResources();
 365   }
 366 }
 367
 368 void WebView::ClearHistory()
 369 {
 370   if(mWebEngine)
 371   {
 372     mWebEngine.ClearHistory();
 373   }
 374 }
 375
 376 void WebView::UpdateDisplayArea(Dali::PropertyNotification& /*source*/)
 377 {
 378   if(!mWebEngine)
 379     return;
 380
 381   Actor self(Self());
 382
 383   bool    positionUsesAnchorPoint = self.GetProperty<bool>(Actor::Property::POSITION_USES_ANCHOR_POINT);
 384   Vector3 actorSize               = self.GetCurrentProperty<Vector3>(Actor::Property::SIZE) * self.GetCurrentProperty<Vector3>(Actor::Property::SCALE);
 385   Vector3 anchorPointOffSet       = actorSize * (positionUsesAnchorPoint ? self.GetCurrentProperty<Vector3>(Actor::Property::ANCHOR_POINT) : AnchorPoint::TOP_LEFT);
 386   Vector2 screenPosition          = self.GetProperty<Vector2>(Actor::Property::SCREEN_POSITION);
 387
 388   Dali::Rect<int> displayArea;
 389   displayArea.x      = screenPosition.x - anchorPointOffSet.x;
 390   displayArea.y      = screenPosition.y - anchorPointOffSet.y;
 391   displayArea.width  = actorSize.x;
 392   displayArea.height = actorSize.y;
 393
 394   Size displaySize = Size(displayArea.width, displayArea.height);
 395   if(mWebViewSize != displaySize)
 396   {
 397     mWebViewSize = displaySize;
 398   }
 399
 400   if(mWebViewArea != displayArea)
 401   {
 402     mWebViewArea = displayArea;
 403     mWebEngine.UpdateDisplayArea(mWebViewArea);
 404   }
 405 }
 406
 407 void WebView::EnableVideoHole(bool enabled)
 408 {
 409   mVideoHoleEnabled = enabled;
 410
 411   EnableBlendMode(!mVideoHoleEnabled);
 412
 413   if(mWebEngine)
 414   {
 415     mWebEngine.EnableVideoHole(mVideoHoleEnabled);
 416   }
 417 }
 418
 419 void WebView::EnableBlendMode(bool blendEnabled)
 420 {
 421   Actor self = Self();
 422   for(uint32_t i = 0; i < self.GetRendererCount(); i++)
 423   {
 424     Dali::Renderer render = self.GetRendererAt(i);
 425     render.SetProperty(Renderer::Property::BLEND_MODE, blendEnabled ? BlendMode::ON : BlendMode::OFF);
 426   }
 427 }
 428
 429 Dali::Toolkit::WebView::WebViewPageLoadSignalType& WebView::PageLoadStartedSignal()
 430 {
 431   return mPageLoadStartedSignal;
 432 }
 433
 434 Dali::Toolkit::WebView::WebViewPageLoadSignalType& WebView::PageLoadFinishedSignal()
 435 {
 436   return mPageLoadFinishedSignal;
 437 }
 438
 439 Dali::Toolkit::WebView::WebViewPageLoadErrorSignalType& WebView::PageLoadErrorSignal()
 440 {
 441   return mPageLoadErrorSignal;
 442 }
 443
 444 Dali::Toolkit::WebView::WebViewScrollEdgeReachedSignalType& WebView::ScrollEdgeReachedSignal()
 445 {
 446   return mScrollEdgeReachedSignal;
 447 }
 448
 449 void WebView::OnPageLoadStarted(const std::string& url)
 450 {
 451   if(!mPageLoadStartedSignal.Empty())
 452   {
 453     Dali::Toolkit::WebView handle(GetOwner());
 454     mPageLoadStartedSignal.Emit(handle, url);
 455   }
 456 }
 457
 458 void WebView::OnPageLoadFinished(const std::string& url)
 459 {
 460   if(!mPageLoadFinishedSignal.Empty())
 461   {
 462     Dali::Toolkit::WebView handle(GetOwner());
 463     mPageLoadFinishedSignal.Emit(handle, url);
 464   }
 465 }
 466
 467 void WebView::OnPageLoadError(const std::string& url, int errorCode)
 468 {
 469   if(!mPageLoadErrorSignal.Empty())
 470   {
 471     Dali::Toolkit::WebView handle(GetOwner());
 472     mPageLoadErrorSignal.Emit(handle, url, static_cast<Toolkit::WebView::LoadErrorCode>(errorCode));
 473   }
 474 }
 475
 476 void WebView::OnScrollEdgeReached(Dali::WebEnginePlugin::ScrollEdge edge)
 477 {
 478   if(!mScrollEdgeReachedSignal.Empty())
 479   {
 480     Dali::Toolkit::WebView handle(GetOwner());
 481     mScrollEdgeReachedSignal.Emit(handle, edge);
 482   }
 483 }
 484
 485 bool WebView::DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor)
 486 {
 487   Dali::BaseHandle handle(object);
 488
 489   bool             connected = false;
 490   Toolkit::WebView webView   = Toolkit::WebView::DownCast(handle);
 491
 492   if(0 == strcmp(signalName.c_str(), PAGE_LOAD_STARTED_SIGNAL))
 493   {
 494     webView.PageLoadStartedSignal().Connect(tracker, functor);
 495     connected = true;
 496   }
 497   else if(0 == strcmp(signalName.c_str(), PAGE_LOAD_FINISHED_SIGNAL))
 498   {
 499     webView.PageLoadFinishedSignal().Connect(tracker, functor);
 500     connected = true;
 501   }
 502   else if(0 == strcmp(signalName.c_str(), PAGE_LOAD_ERROR_SIGNAL))
 503   {
 504     webView.PageLoadErrorSignal().Connect(tracker, functor);
 505     connected = true;
 506   }
 507   else if(0 == strcmp(signalName.c_str(), SCROLL_EDGE_REACHED_SIGNAL))
 508   {
 509     webView.ScrollEdgeReachedSignal().Connect(tracker, functor);
 510     connected = true;
 511   }
 512
 513   return connected;
 514 }
 515
 516 Vector3 WebView::GetNaturalSize()
 517 {
 518   if(mVisual)
 519   {
 520     Vector2 rendererNaturalSize;
 521     mVisual.GetNaturalSize(rendererNaturalSize);
 522     return Vector3(rendererNaturalSize);
 523   }
 524
 525   return Vector3(mWebViewSize);
 526 }
 527
 528 void WebView::OnSceneConnection(int depth)
 529 {
 530   Control::OnSceneConnection(depth);
 531
 532   EnableBlendMode(!mVideoHoleEnabled);
 533 }
 534
 535 void WebView::SetProperty(BaseObject* object, Property::Index index, const Property::Value& value)
 536 {
 537   Toolkit::WebView webView = Toolkit::WebView::DownCast(Dali::BaseHandle(object));
 538
 539   if(webView)
 540   {
 541     WebView& impl = GetImpl(webView);
 542     switch(index)
 543     {
 544       case Toolkit::WebView::Property::URL:
 545       {
 546         std::string url;
 547         if(value.Get(url))
 548         {
 549           impl.LoadUrl(url);
 550         }
 551         break;
 552       }
 553       case Toolkit::WebView::Property::USER_AGENT:
 554       {
 555         std::string input;
 556         if(value.Get(input))
 557         {
 558           impl.SetUserAgent(input);
 559         }
 560         break;
 561       }
 562       case Toolkit::WebView::Property::SCROLL_POSITION:
 563       {
 564         Vector2 input;
 565         if(value.Get(input))
 566         {
 567           impl.SetScrollPosition(input.x, input.y);
 568         }
 569         break;
 570       }
 571       case Toolkit::WebView::Property::VIDEO_HOLE_ENABLED:
 572       {
 573         bool input;
 574         if(value.Get(input))
 575         {
 576           impl.EnableVideoHole(input);
 577         }
 578         break;
 579       }
 580     }
 581   }
 582 }
 583
 584 Property::Value WebView::GetProperty(BaseObject* object, Property::Index propertyIndex)
 585 {
 586   Property::Value value;
 587
 588   Toolkit::WebView webView = Toolkit::WebView::DownCast(Dali::BaseHandle(object));
 589
 590   if(webView)
 591   {
 592     WebView& impl = GetImpl(webView);
 593     switch(propertyIndex)
 594     {
 595       case Toolkit::WebView::Property::URL:
 596       {
 597         value = impl.mUrl;
 598         break;
 599       }
 600       case Toolkit::WebView::Property::USER_AGENT:
 601       {
 602         value = impl.GetUserAgent();
 603         break;
 604       }
 605       case Toolkit::WebView::Property::SCROLL_POSITION:
 606       {
 607         value = impl.GetScrollPosition();
 608         break;
 609       }
 610       case Toolkit::WebView::Property::SCROLL_SIZE:
 611       {
 612         value = impl.GetScrollSize();
 613         break;
 614       }
 615       case Toolkit::WebView::Property::CONTENT_SIZE:
 616       {
 617         value = impl.GetContentSize();
 618         break;
 619       }
 620       case Toolkit::WebView::Property::TITLE:
 621       {
 622         value = impl.GetTitle();
 623         break;
 624       }
 625       case Toolkit::WebView::Property::VIDEO_HOLE_ENABLED:
 626       {
 627         value = impl.mVideoHoleEnabled;
 628         break;
 629       }
 630       default:
 631         break;
 632     }
 633   }
 634
 635   return value;
 636 }
 637
 638 bool WebView::OnTouchEvent(Actor actor, const Dali::TouchEvent& touch)
 639 {
 640   bool result = false;
 641
 642   if(mWebEngine)
 643   {
 644     result = mWebEngine.SendTouchEvent(touch);
 645   }
 646   return result;
 647 }
 648
 649 bool WebView::OnKeyEvent(const Dali::KeyEvent& event)
 650 {
 651   bool result = false;
 652
 653   if(mWebEngine)
 654   {
 655     result = mWebEngine.SendKeyEvent(event);
 656   }
 657   return result;
 658 }
 659
 660 void WebView::OnKeyInputFocusGained()
 661 {
 662   if(mWebEngine)
 663   {
 664     mWebEngine.SetFocus(true);
 665   }
 666
 667   EmitKeyInputFocusSignal(true); // Calls back into the Control hence done last.
 668 }
 669
 670 void WebView::OnKeyInputFocusLost()
 671 {
 672   if(mWebEngine)
 673   {
 674     mWebEngine.SetFocus(false);
 675   }
 676
 677   EmitKeyInputFocusSignal(false); // Calls back into the Control hence done last.
 678 }
 679
 680 void WebView::SetScrollPosition(int x, int y)
 681 {
 682   if(mWebEngine)
 683   {
 684     mWebEngine.SetScrollPosition(x, y);
 685   }
 686 }
 687
 688 Dali::Vector2 WebView::GetScrollPosition() const
 689 {
 690   return mWebEngine ? mWebEngine.GetScrollPosition() : Dali::Vector2::ZERO;
 691 }
 692
 693 Dali::Vector2 WebView::GetScrollSize() const
 694 {
 695   return mWebEngine ? mWebEngine.GetScrollSize() : Dali::Vector2::ZERO;
 696 }
 697
 698 Dali::Vector2 WebView::GetContentSize() const
 699 {
 700   return mWebEngine ? mWebEngine.GetContentSize() : Dali::Vector2::ZERO;
 701 }
 702
 703 std::string WebView::GetTitle() const
 704 {
 705   return mWebEngine ? mWebEngine.GetTitle() : kEmptyString;
 706 }
 707
 708 const std::string& WebView::GetUserAgent() const
 709 {
 710   return mWebEngine ? mWebEngine.GetUserAgent() : kEmptyString;
 711 }
 712
 713 void WebView::SetUserAgent(const std::string& userAgent)
 714 {
 715   if(mWebEngine)
 716   {
 717     mWebEngine.SetUserAgent(userAgent);
 718   }
 719 }
 720
 721 #undef GET_ENUM_STRING
 722 #undef GET_ENUM_VALUE
 723
 724 } // namespace Internal
 725
 726 } // namespace Toolkit
 727
 728 } // namespace Dali