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>
27 #include <dali/integration-api/events/key-event-integ.h>
28 #include <dali/integration-api/events/point.h>
29 #include <dali/integration-api/events/touch-event-combiner.h>
32 #include <dali/integration-api/adaptor-framework/render-surface-interface.h>
33 #include <dali/integration-api/adaptor-framework/scene-holder.h>
64 using SceneHolderPtr = IntrusivePtr< SceneHolder >;
67 * @brief SceneHolder creates a Scene for rendering.
69 class DALI_ADAPTOR_API 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 Called when the surface is resized.
115 * @param[in] forceUpdate The flag to update force
117 void SurfaceResized( bool forceUpdate );
120 * @brief Get the render surface
121 * @return The render surface
123 Dali::RenderSurfaceInterface* GetSurface() const;
126 * @brief Set the adaptor to the scene holder
127 * @param[in] adaptor An initialized adaptor
129 void SetAdaptor( Dali::Adaptor& adaptor );
132 * @copydoc Dali::Integration::SceneHolder::SetBackgroundColor
134 void SetBackgroundColor( const Dali::Vector4& color );
137 * @copydoc Dali::Integration::SceneHolder::GetBackgroundColor
139 Vector4 GetBackgroundColor() const;
142 * @brief Pause the rendering of the scene holder.
147 * @brief Resume the rendering of the scene holder (from pause).
152 * @copydoc Dali::Integration::SceneHolder::FeedTouchPoint
154 void FeedTouchPoint( Dali::Integration::Point& point, int timeStamp );
157 * @copydoc Dali::Integration::SceneHolder::FeedWheelEvent
159 void FeedWheelEvent( Dali::Integration::WheelEvent& wheelEvent );
162 * @copydoc Dali::Integration::SceneHolder::FeedKeyEvent
164 void FeedKeyEvent( Dali::Integration::KeyEvent& keyEvent );
167 * @copydoc Dali::Integration::SceneHolder::Get()
169 static Dali::Integration::SceneHolder Get( Dali::Actor actor );
172 * @copydoc Dali::Integration::SceneHolder::KeyEventSignal()
174 Dali::Integration::SceneHolder::KeyEventSignalType& KeyEventSignal() { return mScene.KeyEventSignal(); }
177 * @copydoc Dali::Integration::SceneHolder::KeyEventGeneratedSignal()
179 Dali::Integration::SceneHolder::KeyEventGeneratedSignalType& KeyEventGeneratedSignal() { return mScene.KeyEventGeneratedSignal(); }
182 * @copydoc Dali::Integration::SceneHolder::TouchSignal()
184 Dali::Integration::SceneHolder::TouchSignalType& TouchSignal() { return mScene.TouchSignal(); }
187 * @copydoc Dali::Integration::SceneHolder::WheelEventSignal()
189 Dali::Integration::SceneHolder::WheelEventSignalType& WheelEventSignal() { return mScene.WheelEventSignal(); }
191 public: // The following methods can be overridden if required
194 * @brief Returns whether the Scene is visible or not.
195 * @return True if the Scene is visible, false otherwise.
197 virtual bool IsVisible() const;
199 public: // The following methods must be overridden
202 * @copydoc Dali::Integration::SceneHolder::GetNativeHandle
204 virtual Dali::Any GetNativeHandle() const = 0;
212 SceneHolder(const SceneHolder&) = delete;
215 SceneHolder& operator=(const SceneHolder& rhs) = delete;
220 virtual ~SceneHolder();
222 private: // The following methods can be overridden if required
225 * @brief Called by the base class to inform deriving classes that the adaptor has been set.
226 * @param[in] adaptor The adaptor
228 virtual void OnAdaptorSet( Dali::Adaptor& adaptor ) {};
231 * @brief Called by the base class to inform deriving classes that a new surface has been set.
232 * @param[in] surface The new render surface
234 virtual void OnSurfaceSet( Dali::RenderSurfaceInterface* surface ) {};
237 * @brief Called by the base class to inform deriving classes that we are being paused.
239 virtual void OnPause() {};
242 * @brief Called by the base class to inform deriving classes that we are resuming from a paused state.
244 virtual void OnResume() {};
247 * Recalculate the touch position if required
248 * @param[in,out] point The touch point
250 virtual void RecalculateTouchPosition( Integration::Point& point ) {};
255 * Resets the event handling.
261 static uint32_t mSceneHolderCounter; ///< A counter to track the SceneHolder creation
263 class SceneHolderLifeCycleObserver;
264 std::unique_ptr< SceneHolderLifeCycleObserver > mLifeCycleObserver; ///< The adaptor life cycle observer
268 uint32_t mId; ///< A unique ID to identify the SceneHolder starting from 0
269 Dali::Integration::Scene mScene; ///< The Scene
270 std::string mName; ///< The name of the SceneHolder
272 std::unique_ptr< Dali::RenderSurfaceInterface > mSurface; ///< The window rendering surface
273 Adaptor* mAdaptor; ///< The adaptor
275 Dali::Integration::TouchEventCombiner mCombiner; ///< Combines multi-touch events.
277 bool mAdaptorStarted:1; ///< Whether the adaptor has started or not
278 bool mVisible:1; ///< Whether the scene is visible or not
285 // Get impl of handle
286 inline Internal::Adaptor::SceneHolder& GetImplementation( Dali::Integration::SceneHolder& sceneHolder )
288 DALI_ASSERT_ALWAYS( sceneHolder && "SceneHolder handle is empty" );
289 Dali::RefObject& object = sceneHolder.GetBaseObject();
290 return static_cast<Internal::Adaptor::SceneHolder&>( object );
293 inline const Internal::Adaptor::SceneHolder& GetImplementation( const Dali::Integration::SceneHolder& sceneHolder )
295 DALI_ASSERT_ALWAYS( sceneHolder && "SceneHolder handle is empty" );
296 const Dali::RefObject& object = sceneHolder.GetBaseObject();
297 return static_cast<const Internal::Adaptor::SceneHolder&>( object );
302 #endif // DALI_INTEGRATION_INTERNAL_SCENEHOLDER_H