text: /*****************************************************************************************
   *                                                                                       *
   * OpenSpace                                                                             *
   *                                                                                       *
   * Copyright (c) 2014-2022                                                               *
   *                                                                                       *
   * Permission is hereby granted, free of charge, to any person obtaining a copy of this  *
   * software and associated documentation files (the "Software"), to deal in the Software *
   * without restriction, including without limitation the rights to use, copy, modify,    *
   * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to    *
   * permit persons to whom the Software is furnished to do so, subject to the following   *
   * conditions:                                                                           *
   *                                                                                       *
   * The above copyright notice and this permission notice shall be included in all copies *
   * or substantial portions of the Software.                                              *
   *                                                                                       *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,   *
   * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A         *
   * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT    *
   * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF  *
   * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE  *
   * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                                         *
   ****************************************************************************************/
  
  #ifndef __OPENSPACE_MODULE_WEBBROWSER___SCREEN_SPACE_BROWSER___H__
  #define __OPENSPACE_MODULE_WEBBROWSER___SCREEN_SPACE_BROWSER___H__
  
  #include <openspace/rendering/screenspacerenderable.h>
  
  #include <modules/webbrowser/include/webrenderhandler.h>
  #include <openspace/properties/stringproperty.h>
  #include <openspace/properties/vector/vec2property.h>
  #include <openspace/properties/triggerproperty.h>
  
  #ifdef _MSC_VER
  #pragma warning (push)
  #pragma warning (disable : 4100)
  #endif // _MSC_VER
  
  #ifdef __clang__
  #pragma clang diagnostic push
  #pragma clang diagnostic ignored "-Wunused-parameter"
  #endif // __clang__
  
  #include <include/cef_client.h>
  
  #ifdef __clang__
  #pragma clang diagnostic pop
  #endif // __clang__
  
  #ifdef _MSC_VER
  #pragma warning (pop)
  #endif // _MSC_VER
  
  namespace ghoul::opengl { class Texture; }
  
  namespace openspace {
  
  class BrowserInstance;
  class ScreenSpaceRenderHandler;
  class WebKeyboardHandler;
  
  class ScreenSpaceBrowser : public ScreenSpaceRenderable {
  public:
      ScreenSpaceBrowser(const ghoul::Dictionary& dictionary);
      virtual ~ScreenSpaceBrowser() = default;
  
      bool initializeGL() override;
      bool deinitializeGL() override;
  
      void render() override;
      void update() override;
      bool isReady() const override;
  
  private:
      class ScreenSpaceRenderHandler : public WebRenderHandler {
      public:
          void draw() override;
          void render() override;
  
          void setTexture(GLuint t);
      };
  
      void bindTexture() override;
  
      properties::StringProperty _url;
      properties::Vec2Property _dimensions;
      properties::TriggerProperty _reload;
  
      CefRefPtr<ScreenSpaceRenderHandler> _renderHandler;
      CefRefPtr<WebKeyboardHandler> _keyboardHandler;
      std::unique_ptr<BrowserInstance> _browserInstance;
      std::unique_ptr<ghoul::opengl::Texture> _texture;
  
      bool _isUrlDirty = false;
      bool _isDimensionsDirty = false;
  };
  
  } // namespace openspace
  
  #endif // __OPENSPACE_MODULE_WEBBROWSER___SCREEN_SPACE_BROWSER___H__
  