1 #ifndef DALI_INTEGRATION_INTERNAL_SCENEHOLDER_H
2 #define DALI_INTEGRATION_INTERNAL_SCENEHOLDER_H
5 * Copyright (c) 2023 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.
22 #include <dali/graphics-api/graphics-controller.h>
23 #include <dali/integration-api/events/hover-event-integ.h>
24 #include <dali/integration-api/events/key-event-integ.h>
25 #include <dali/integration-api/events/point.h>
26 #include <dali/integration-api/events/touch-event-combiner.h>
27 #include <dali/integration-api/scene.h>
28 #include <dali/public-api/common/intrusive-ptr.h>
29 #include <dali/public-api/events/hover-event.h>
30 #include <dali/public-api/events/touch-event.h>
31 #include <dali/public-api/math/uint-16-pair.h>
32 #include <dali/public-api/object/base-object.h>
38 #include <dali/integration-api/adaptor-framework/render-surface-interface.h>
39 #include <dali/integration-api/adaptor-framework/scene-holder.h>
58 } // namespace Integration
66 using SceneHolderPtr = IntrusivePtr<SceneHolder>;
69 * @brief SceneHolder creates a Scene for rendering.
71 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 * @copydoc Dali::Integration::SceneHolder::GetOverlayLayer
92 Dali::Layer GetOverlayLayer();
95 * @brief Gets the window name.
96 * @return The name of the window
98 std::string GetName() const;
101 * @brief Retrieve the unique ID of the window.
104 uint32_t GetId() const;
107 * @brief Retrieve the Scene.
110 Dali::Integration::Scene GetScene();
113 * @brief Retrieves the DPI of this sceneholder.
116 Uint16Pair GetDpi() const;
119 * @brief Set the render surface
120 * @param[in] surface The render surface
122 void SetSurface(Dali::RenderSurfaceInterface* surface);
125 * @brief Called when the surface set is resized.
126 * @param[in] width the resized window's width
127 * @param[in] height the resized window's height
129 void SurfaceResized(float width, float height);
132 * @brief Get the render surface
133 * @return The render surface
135 Dali::RenderSurfaceInterface* GetSurface() const;
138 * @brief Set the adaptor to the scene holder
139 * @param[in] adaptor An initialized adaptor
141 void SetAdaptor(Dali::Adaptor& adaptor);
144 * @copydoc Dali::Integration::SceneHolder::SetBackgroundColor
146 void SetBackgroundColor(const Dali::Vector4& color);
149 * @copydoc Dali::Integration::SceneHolder::GetBackgroundColor
151 Vector4 GetBackgroundColor() const;
154 * @brief Pause the rendering of the scene holder.
159 * @brief Resume the rendering of the scene holder (from pause).
164 * @brief Checks whether this scene holder is being deleted in the event thread.
166 * @return true if this scene holder is being deleted in the event thread, or false if not.
168 bool IsBeingDeleted() const
170 return mIsBeingDeleted;
174 * @brief Informs the scene that the set surface has been rotated.
176 * @param[in] width The width of rotated surface
177 * @param[in] height The height of rotated surface
178 * @param[in] windowOrientation the current window orientation
179 * @param[in] screenOrientation the current screen orientation
181 void SurfaceRotated(float width, float height, int32_t windowOrientation, int32_t screenOrientation);
184 * @brief Send message to acknowledge window rotation with current window orientation.
185 * It is to send message to render thread for completing window rotation by user.
187 void SetRotationCompletedAcknowledgement();
190 * @copydoc Dali::Integration::SceneHolder::FeedTouchPoint
192 void FeedTouchPoint(Dali::Integration::Point& point, int timeStamp);
195 * @brief Get the Last Touch Event
197 * @return Dali::TouchEvent
199 const Dali::TouchEvent& GetLastTouchEvent() const;
202 * @brief Get the Last Hover Event
204 * @return Dali::HoverEvent
206 const Dali::HoverEvent& GetLastHoverEvent() const;
209 * @copydoc Dali::Integration::SceneHolder::FeedWheelEvent
211 void FeedWheelEvent(Dali::Integration::WheelEvent& wheelEvent);
214 * @copydoc Dali::Integration::SceneHolder::FeedKeyEvent
216 void FeedKeyEvent(Dali::Integration::KeyEvent& keyEvent);
219 * @copydoc Dali::Integration::SceneHolder::FeedHoverEvent
221 void FeedHoverEvent(Dali::Integration::Point& point);
224 * @brief Adds a callback that is called when the frame rendering is done by the graphics driver.
226 * @param[in] callback The function to call
227 * @param[in] frameId The Id to specify the frame. It will be passed when the callback is called.
229 * @note A callback of the following type may be used:
231 * void MyFunction( int frameId );
233 * This callback will be deleted once it is called.
235 * @note Ownership of the callback is passed onto this class.
237 void AddFrameRenderedCallback(std::unique_ptr<CallbackBase> callback, int32_t frameId);
240 * @brief Adds a callback that is called when the frame rendering is done by the graphics driver.
242 * @param[in] callback The function to call
243 * @param[in] frameId The Id to specify the frame. It will be passed when the callback is called.
245 * @note A callback of the following type may be used:
247 * void MyFunction( int frameId );
249 * This callback will be deleted once it is called.
251 * @note Ownership of the callback is passed onto this class.
253 void AddFramePresentedCallback(std::unique_ptr<CallbackBase> callback, int32_t frameId);
256 * @brief Creates the render target for the surface when the surface is created/resized/replaced.
258 void CreateRenderTarget();
261 * @copydoc Dali::Integration::SceneHolder::GetRenderTaskList()
263 Dali::RenderTaskList GetRenderTaskList() const;
266 * @copydoc Dali::Integration::SceneHolder::Get()
268 static Dali::Integration::SceneHolder Get(Dali::Actor actor);
271 * @copydoc Dali::Integration::SceneHolder::KeyEventSignal()
273 Dali::Integration::SceneHolder::KeyEventSignalType& KeyEventSignal()
275 return mScene.KeyEventSignal();
279 * @copydoc Dali::Integration::SceneHolder::KeyEventGeneratedSignal()
281 Dali::Integration::SceneHolder::KeyEventGeneratedSignalType& KeyEventGeneratedSignal()
283 return mScene.KeyEventGeneratedSignal();
287 * @copydoc Dali::Integration::SceneHolder::InterceptKeyEventSignal()
289 Dali::Integration::SceneHolder::KeyEventGeneratedSignalType& InterceptKeyEventSignal()
291 return mScene.InterceptKeyEventSignal();
295 * @copydoc Dali::Integration::SceneHolder::TouchedSignal()
297 Dali::Integration::SceneHolder::TouchEventSignalType& TouchedSignal()
299 return mScene.TouchedSignal();
303 * @copydoc Dali::Integration::SceneHolder::WheelEventSignal()
305 Dali::Integration::SceneHolder::WheelEventSignalType& WheelEventSignal()
307 return mScene.WheelEventSignal();
311 * @copydoc Dali::Integration::SceneHolder::WheelEventGeneratedSignal()
313 Dali::Integration::SceneHolder::WheelEventGeneratedSignalType& WheelEventGeneratedSignal()
315 return mScene.WheelEventGeneratedSignal();
318 public: // The following methods can be overridden if required
320 * @brief Returns whether the Scene is visible or not.
321 * @return True if the Scene is visible, false otherwise.
323 virtual bool IsVisible() const;
325 public: // The following methods must be overridden
327 * @copydoc Dali::Integration::SceneHolder::GetNativeHandle
329 virtual Dali::Any GetNativeHandle() const = 0;
336 SceneHolder(const SceneHolder&) = delete;
339 SceneHolder& operator=(const SceneHolder& rhs) = delete;
344 ~SceneHolder() override;
346 private: // The following methods can be overridden if required
348 * @brief Called by the base class to inform deriving classes that the adaptor has been set.
349 * @param[in] adaptor The adaptor
351 virtual void OnAdaptorSet(Dali::Adaptor& adaptor){};
354 * @brief Called by the base class to inform deriving classes that a new surface has been set.
355 * @param[in] surface The new render surface
357 virtual void OnSurfaceSet(Dali::RenderSurfaceInterface* surface){};
360 * @brief Called by the base class to inform deriving classes that we are being paused.
362 virtual void OnPause(){};
365 * @brief Called by the base class to inform deriving classes that we are resuming from a paused state.
367 virtual void OnResume(){};
370 * Recalculate the position if required
371 * @param[in] position The screen position
372 * @return converted position by oriention
374 virtual Vector2 RecalculatePosition(const Vector2& position)
381 * Resets the event handling.
386 * Initializes the DPI for this object.
388 void InitializeDpi();
391 static uint32_t mSceneHolderCounter; ///< A counter to track the SceneHolder creation
393 class SceneHolderLifeCycleObserver;
394 std::unique_ptr<SceneHolderLifeCycleObserver> mLifeCycleObserver; ///< The adaptor life cycle observer
395 Dali::TouchEvent mLastTouchEvent;
396 Dali::HoverEvent mLastHoverEvent;
399 uint32_t mId; ///< A unique ID to identify the SceneHolder starting from 0
400 Dali::Integration::Scene mScene; ///< The Scene
401 std::string mName; ///< The name of the SceneHolder
403 std::unique_ptr<Dali::RenderSurfaceInterface> mSurface; ///< The window rendering surface
404 Adaptor* mAdaptor; ///< The adaptor
406 Dali::Integration::TouchEventCombiner mCombiner; ///< Combines multi-touch events.
408 Uint16Pair mDpi; ///< The DPI for this SceneHolder.
410 std::atomic<bool> mIsBeingDeleted; ///< This is set only from the event thread and read only from the render thread
412 bool mAdaptorStarted : 1; ///< Whether the adaptor has started or not
413 bool mVisible : 1; ///< Whether the scene is visible or not
416 } // namespace Adaptor
418 } // namespace Internal
420 // Get impl of handle
421 inline Internal::Adaptor::SceneHolder& GetImplementation(Dali::Integration::SceneHolder& sceneHolder)
423 DALI_ASSERT_ALWAYS(sceneHolder && "SceneHolder handle is empty");
424 Dali::RefObject& object = sceneHolder.GetBaseObject();
425 return static_cast<Internal::Adaptor::SceneHolder&>(object);
428 inline const Internal::Adaptor::SceneHolder& GetImplementation(const Dali::Integration::SceneHolder& sceneHolder)
430 DALI_ASSERT_ALWAYS(sceneHolder && "SceneHolder handle is empty");
431 const Dali::RefObject& object = sceneHolder.GetBaseObject();
432 return static_cast<const Internal::Adaptor::SceneHolder&>(object);
437 #endif // DALI_INTEGRATION_INTERNAL_SCENEHOLDER_H