1 #ifndef __DALI_INTERNAL_STAGE_H__
2 #define __DALI_INTERNAL_STAGE_H__
5 * Copyright (c) 2014 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/public-api/object/ref-object.h>
23 #include <dali/public-api/common/stage.h>
24 #include <dali/public-api/object/base-object.h>
25 #include <dali/integration-api/context-notifier.h>
26 #include <dali/internal/common/owner-pointer.h>
27 #include <dali/internal/event/actors/layer-impl.h>
28 #include <dali/internal/event/common/event-thread-services.h>
29 #include <dali/internal/event/common/object-registry-impl.h>
30 #include <dali/internal/event/common/stage-def.h>
31 #include <dali/internal/event/render-tasks/render-task-defaults.h>
32 #include <dali/internal/update/manager/update-manager.h>
33 #include <dali/public-api/common/view-mode.h>
34 #include <dali/public-api/math/vector2.h>
35 #include <dali/public-api/math/vector3.h>
36 #include <dali/public-api/math/vector4.h>
37 #include <dali/public-api/render-tasks/render-task.h>
39 #ifdef DYNAMICS_SUPPORT
40 #include <dali/internal/event/dynamics/dynamics-declarations.h>
41 #include <dali/internal/event/dynamics/dynamics-notifier.h>
52 class DynamicsFactory;
63 class AnimationPlaylist;
64 class PropertyNotificationManager;
72 * Implementation of Stage
74 class Stage : public BaseObject, public RenderTaskDefaults, public Integration::ContextNotifierInterface, public EventThreadServices
80 * @param[in] playlist for animations
81 * @param[in] propertyNotificationManager
82 * @param[in] updateManager
83 * @param[in] notificationManager
85 static StagePtr New( AnimationPlaylist& playlist,
86 PropertyNotificationManager& propertyNotificationManager,
87 SceneGraph::UpdateManager& updateManager,
88 NotificationManager& notificationManager );
91 * Initialize the stage.
96 * Uninitialize the stage.
101 * @copydoc Dali::Stage::GetCurrent()
102 * @note this version is for internal usage so it does not assert
104 static StagePtr GetCurrent();
107 * @copydoc Dali::Stage::IsInstalled().
109 static bool IsInstalled();
112 * @copydoc Dali::Stage::GetObjectRegistry()
114 ObjectRegistry& GetObjectRegistry();
117 * Retrieve the root actor (not publically accessible).
118 * @return The root actor.
120 Layer& GetRootActor();
123 * Returns the animation playlist.
124 * @return reference to the animation playlist.
126 AnimationPlaylist& GetAnimationPlaylist();
129 * Returns the property notification manager.
130 * @return reference to the property notification manager.
132 PropertyNotificationManager& GetPropertyNotificationManager();
134 // Root actor accessors
137 * @copydoc Dali::Stage::Add()
139 void Add( Actor& actor );
142 * @copydoc Dali::Stage::Remove()
144 void Remove( Actor& actor );
147 * Sets the size of the stage and indirectly, the root actor.
148 * @param [in] width The new width.
149 * @param [in] height The new height.
151 void SetSize( float width, float height );
154 * Returns the size of the Stage in pixels as a Vector.
155 * The x component will be the width of the Stage in pixels
156 * The y component will be the height of the Stage in pixels
157 * @return The size of the Stage as a Vector.
159 Vector2 GetSize() const;
162 * @copydoc Dali::Stage::GetRenderTaskList()
164 RenderTaskList& GetRenderTaskList() const;
167 * Create a default camera actor
169 void CreateDefaultCameraActor();
172 * From RenderTaskDefaults; retrieve the default root actor.
173 * @return The default root actor.
175 virtual Actor& GetDefaultRootActor();
178 * From RenderTaskDefaults; retrieve the default camera actor.
179 * @return The default camera actor.
181 virtual CameraActor& GetDefaultCameraActor();
186 * @copydoc Dali::Stage::GetLayerCount()
188 unsigned int GetLayerCount() const;
191 * @copydoc Dali::Stage::GetLayer()
193 Dali::Layer GetLayer( unsigned int depth ) const;
196 * @copydoc Dali::Stage::GetRootLayer()
198 Dali::Layer GetRootLayer() const;
201 * Retrieve the ordered list of on-stage layers.
202 * @return The layer-list.
204 LayerList& GetLayerList();
206 // System-level overlay actors
209 * @copydoc Dali::Integration::Core::GetSystemOverlay()
211 Integration::SystemOverlay& GetSystemOverlay();
214 * Retrieve the internal implementation of the SystemOverlay.
215 * @return The implementation, or NULL if this has never been requested from Integration API.
217 SystemOverlay* GetSystemOverlayInternal();
222 * @copydoc Dali::Integration::Core::SetViewMode()
224 void SetViewMode( ViewMode viewMode );
227 * @copydoc Dali::Integration::Core::GetViewMode()
229 ViewMode GetViewMode() const;
232 * @copydoc Dali::Integration::Core::SetStereoBase()
234 void SetStereoBase( float stereoBase );
237 * @copydoc Dali::Integration::Core::GetStereoBase()
239 float GetStereoBase() const;
244 * As one virtual keyboard per stage, the stage will hold a pointer to the Actor currently
245 * set to receive keyboard input.
246 * @param[in] actor to receive keyboard input
248 void SetKeyboardFocusActor( Actor* actor );
251 * Get the actor that is currently set to receive keyboard inputs
252 * @return Pointer to the actor set to receive keyboard inputs.
254 Actor* GetKeyboardFocusActor() const;
257 * Removes the given actor from keyboard focus so it will no longer receive key events from keyboard.
258 * @param [in] actor which should be removed from focus.
260 void RemoveActorFromKeyFocus( Actor* actor );
265 * @copydoc Dali::Stage::SetBackgroundColor
267 void SetBackgroundColor(Vector4 color);
270 * @copydoc Dali::Stage::GetBackgroundColor
272 Vector4 GetBackgroundColor() const;
275 * @copydoc Dali::Stage::GetDpi
277 Vector2 GetDpi() const;
280 * Sets horizontal and vertical pixels per inch value that is used by the display
281 * @param[in] dpi Horizontal and vertical dpi value
283 void SetDpi( Vector2 dpi );
285 #ifdef DYNAMICS_SUPPORT
288 * Return the Dynamics Simulation Notifier object
289 * @return The Dynamics Simulation Notifier object
291 DynamicsNotifier& GetDynamicsNotifier();
294 * @copydoc Dali::Stage::InitializeDynamics
296 DynamicsWorldPtr InitializeDynamics(DynamicsWorldConfigPtr config);
299 * @copydoc Dali::Stage::GetDynamicsWorld
301 DynamicsWorldPtr GetDynamicsWorld();
304 * @copydoc Dali::Stage::TerminateDynamics
306 void TerminateDynamics();
308 #endif // DYNAMICS_SUPPORT
310 NotificationManager& GetNotificationManager()
312 return mNotificationManager;
316 * @copydoc Dali::Stage::KeepRendering()
318 void KeepRendering( float durationSeconds );
321 * Used by the EventProcessor to emit key event signals.
322 * @param[in] event The key event.
324 void EmitKeyEventSignal(const KeyEvent& event);
327 * Emits the event processing finished signal.
329 * @see Dali::Stage::SignalEventProcessingFinished()
331 void EmitEventProcessingFinishedSignal();
334 * Emits the touched signal.
335 * @param[in] touch The touch event details.
337 void EmitTouchedSignal( const TouchEvent& touch );
340 * Used by the EventProcessor to emit wheel event signals.
341 * @param[in] event The wheel event.
343 void EmitWheelEventSignal( const WheelEvent& event );
346 * Emits the scene created.
348 void EmitSceneCreatedSignal();
351 * @copydoc Dali::Stage::KeyEventSignal()
353 Dali::Stage::KeyEventSignalType& KeyEventSignal();
356 * @copydoc Dali::Stage::SignalEventProcessingFinished()
358 Dali::Stage::EventProcessingFinishedSignalType& EventProcessingFinishedSignal();
361 * @copydoc Dali::Stage::TouchedSignal()
363 Dali::Stage::TouchedSignalType& TouchedSignal();
366 * @copydoc Dali::Stage::WheelEventSignal()
368 Dali::Stage::WheelEventSignalType& WheelEventSignal();
371 * @copydoc Dali::Stage::ContextLostSignal()
373 Dali::Stage::ContextStatusSignal& ContextLostSignal();
376 * @copydoc Dali::Stage::ContextRegainedSignal()
378 Dali::Stage::ContextStatusSignal& ContextRegainedSignal();
381 * @copydoc Dali::Stage::SceneCreatedSignal()
383 Dali::Stage::SceneCreatedSignalType& SceneCreatedSignal();
386 * Connects a callback function with the object's signals.
387 * @param[in] object The object providing the signal.
388 * @param[in] tracker Used to disconnect the signal.
389 * @param[in] signalName The signal to connect to.
390 * @param[in] functor A newly allocated FunctorDelegate.
391 * @return True if the signal was connected.
392 * @post If a signal was connected, ownership of functor was passed to CallbackBase. Otherwise the caller is responsible for deleting the unused functor.
394 static bool DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor );
396 private: // Implementation of ContextNotificationInterface:
399 * @copydoc Dali::Integration::NotifyContextLost();
401 virtual void NotifyContextLost();
404 * @copydoc Dali::Integration::NotifyContextRegained();
406 virtual void NotifyContextRegained();
408 public: // Implementation of EventThreadServices
411 * @copydoc EventThreadServices::RegisterObject
413 virtual void RegisterObject( BaseObject* object);
416 * @copydoc EventThreadServices::UnregisterObject
418 virtual void UnregisterObject( BaseObject* object);
421 * @copydoc EventThreadServices::GetUpdateManager
423 virtual SceneGraph::UpdateManager& GetUpdateManager();
426 * @copydoc EventThreadServices::ReserveMessageSlot
428 virtual unsigned int* ReserveMessageSlot( std::size_t size, bool updateScene );
431 * @copydoc EventThreadServices::GetEventBufferIndex
433 virtual BufferIndex GetEventBufferIndex() const;
438 * Protected constructor; see also Stage::New()
440 Stage( AnimationPlaylist& playlist,
441 PropertyNotificationManager& propertyNotificationManager,
442 SceneGraph::UpdateManager& updateManager,
443 NotificationManager& notificationManager );
446 * A reference counted object may only be deleted by calling Unreference()
452 // For 'Fire and forget' animation support
453 AnimationPlaylist& mAnimationPlaylist;
455 PropertyNotificationManager& mPropertyNotificationManager;
457 SceneGraph::UpdateManager& mUpdateManager;
459 NotificationManager& mNotificationManager;
461 // The Actual size of the stage.
464 // Cached for public GetBackgroundColor()
465 Vector4 mBackgroundColor;
469 // Ordered list of currently on-stage layers
470 OwnerPointer<LayerList> mLayerList;
472 IntrusivePtr<CameraActor> mDefaultCamera;
479 // The object registry
480 ObjectRegistryPtr mObjectRegistry;
482 #ifdef DYNAMICS_SUPPORT
484 DynamicsNotifier mDynamicsNotifier;
486 // The Dynamics simulation world object
487 Integration::DynamicsFactory* mDynamicsFactory; // Not owned pointer to DynamicsFactory (PlatformAbstraction will clean up)
488 DynamicsWorldPtr mDynamicsWorld;
490 #endif // DYNAMICS_SUPPORT
492 // The list of render-tasks
493 IntrusivePtr<RenderTaskList> mRenderTaskList;
495 Dali::RenderTask mRightRenderTask;
496 IntrusivePtr<CameraActor> mRightCamera;
497 Dali::RenderTask mLeftRenderTask;
498 IntrusivePtr<CameraActor> mLeftCamera;
500 Integration::SystemOverlay* mSystemOverlay; ///< SystemOverlay stage access
502 // The key event signal
503 Dali::Stage::KeyEventSignalType mKeyEventSignal;
505 // The event processing finished signal
506 Dali::Stage::EventProcessingFinishedSignalType mEventProcessingFinishedSignal;
508 // The touched signal
509 Dali::Stage::TouchedSignalType mTouchedSignal;
511 // The wheel event signal
512 Dali::Stage::WheelEventSignalType mWheelEventSignal;
514 Dali::Stage::ContextStatusSignal mContextLostSignal;
515 Dali::Stage::ContextStatusSignal mContextRegainedSignal;
517 Dali::Stage::SceneCreatedSignalType mSceneCreatedSignal;
520 } // namespace Internal
522 // Helpers for public-api forwarding methods
524 inline Internal::Stage& GetImplementation(Dali::Stage& stage)
526 DALI_ASSERT_ALWAYS( stage && "Stage handle is empty" );
528 BaseObject& handle = stage.GetBaseObject();
530 return static_cast<Internal::Stage&>(handle);
533 inline const Internal::Stage& GetImplementation(const Dali::Stage& stage)
535 DALI_ASSERT_ALWAYS( stage && "Stage handle is empty" );
537 const BaseObject& handle = stage.GetBaseObject();
539 return static_cast<const Internal::Stage&>(handle);
544 #endif // __DALI_INTERNAL_STAGE_H__