1 #ifndef DALI_INTEGRATION_INTERNAL_SCENEHOLDER_H
2 #define DALI_INTEGRATION_INTERNAL_SCENEHOLDER_H
5 * Copyright (c) 2019 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
24 #include <dali/public-api/object/base-object.h>
25 #include <dali/public-api/common/intrusive-ptr.h>
26 #include <dali/integration-api/scene.h>
30 #ifdef DALI_ADAPTOR_COMPILATION
31 #include <dali/integration-api/render-surface-interface.h>
32 #include <dali/integration-api/scene-holder.h>
34 #include <dali/integration-api/adaptors/render-surface-interface.h>
35 #include <dali/integration-api/adaptors/scene-holder.h>
64 using SceneHolderPtr = IntrusivePtr< SceneHolder >;
67 * @brief SceneHolder creates a Scene for rendering.
69 class SceneHolder : public BaseObject
75 * @copydoc Dali::Integration::SceneHolder::Add
77 void Add( Dali::Actor actor );
80 * @copydoc Dali::Integration::SceneHolder::Remove
82 void Remove( Dali::Actor actor );
85 * @copydoc Dali::Integration::SceneHolder::GetRootLayer
87 Dali::Layer GetRootLayer() const;
90 * @brief Gets the window name.
91 * @return The name of the window
93 std::string GetName() const;
96 * @brief Retrieve the unique ID of the window.
99 uint32_t GetId() const;
102 * @brief Retrieve the Scene.
105 Dali::Integration::Scene GetScene();
108 * @brief Set the render surface
109 * @param[in] surface The render surface
111 void SetSurface( Dali::RenderSurfaceInterface* surface );
114 * @brief Get the render surface
115 * @return The render surface
117 Dali::RenderSurfaceInterface* GetSurface() const;
120 * @brief Set the adaptor to the scene holder
121 * @param[in] adaptor An initialized adaptor
123 void SetAdaptor( Dali::Adaptor& adaptor );
126 * @copydoc Dali::Integration::SceneHolder::SetBackgroundColor
128 void SetBackgroundColor( const Dali::Vector4& color );
131 * @copydoc Dali::Integration::SceneHolder::GetBackgroundColor
133 Vector4 GetBackgroundColor() const;
136 * @brief Pause the rendering of the scene holder.
141 * @brief Resume the rendering of the scene holder (from pause).
145 public: // The following methods can be overridden if required
148 * @brief Returns whether the Scene is visible or not.
149 * @return True if the Scene is visible, false otherwise.
151 virtual bool IsVisible() const;
153 public: // The following methods must be overridden
156 * @copydoc Dali::Integration::SceneHolder::GetNativeHandle
158 virtual Dali::Any GetNativeHandle() const = 0;
161 * @copydoc Dali::Integration::SceneHolder::FeedTouchPoint
163 virtual void FeedTouchPoint( Dali::TouchPoint& point, int timeStamp ) = 0;
166 * @copydoc Dali::Integration::SceneHolder::FeedWheelEvent
168 virtual void FeedWheelEvent( Dali::WheelEvent& wheelEvent ) = 0;
171 * @copydoc Dali::Integration::SceneHolder::FeedKeyEvent
173 virtual void FeedKeyEvent( Dali::KeyEvent& keyEvent ) = 0;
181 SceneHolder(const SceneHolder&) = delete;
184 SceneHolder& operator=(const SceneHolder& rhs) = delete;
189 virtual ~SceneHolder();
191 private: // The following methods can be overridden if required
194 * @brief Called by the base class to inform deriving classes that the adaptor has been set.
195 * @param[in] adaptor The adaptor
197 virtual void OnAdaptorSet( Dali::Adaptor& adaptor ) {};
200 * @brief Called by the base class to inform deriving classes that a new surface has been set.
201 * @param[in] surface The new render surface
203 virtual void OnSurfaceSet( Dali::RenderSurfaceInterface* surface ) {};
206 * @brief Called by the base class to inform deriving classes that we are being paused.
208 virtual void OnPause() {};
211 * @brief Called by the base class to inform deriving classes that we are resuming from a paused state.
213 virtual void OnResume() {};
217 static uint32_t mSceneHolderCounter; ///< A counter to track the SceneHolder creation
219 class SceneHolderLifeCycleObserver;
220 std::unique_ptr< SceneHolderLifeCycleObserver > mLifeCycleObserver; ///< The adaptor life cycle observer
224 uint32_t mId; ///< A unique ID to identify the SceneHolder starting from 0
225 Dali::Integration::Scene mScene; ///< The Scene
226 std::string mName; ///< The name of the SceneHolder
228 std::unique_ptr< Dali::RenderSurfaceInterface > mSurface; ///< The window rendering surface
229 Adaptor* mAdaptor; ///< The adaptor
231 bool mAdaptorStarted:1; ///< Whether the adaptor has started or not
232 bool mVisible:1; ///< Whether the scene is visible or not
239 // Get impl of handle
240 inline Internal::Adaptor::SceneHolder& GetImplementation( Dali::Integration::SceneHolder& sceneHolder )
242 DALI_ASSERT_ALWAYS( sceneHolder && "SceneHolder handle is empty" );
243 Dali::RefObject& object = sceneHolder.GetBaseObject();
244 return static_cast<Internal::Adaptor::SceneHolder&>( object );
247 inline const Internal::Adaptor::SceneHolder& GetImplementation( const Dali::Integration::SceneHolder& sceneHolder )
249 DALI_ASSERT_ALWAYS( sceneHolder && "SceneHolder handle is empty" );
250 const Dali::RefObject& object = sceneHolder.GetBaseObject();
251 return static_cast<const Internal::Adaptor::SceneHolder&>( object );
256 #endif // DALI_INTEGRATION_INTERNAL_SCENEHOLDER_H