X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=capi%2Fdali-toolkit%2Fpublic-api%2Fcontrols%2Fcontrol-impl.h;h=b2b687fd1b023efc148038f3fffe7acc08611993;hp=f4643db2f4719aaf332740eec726919e52385af6;hb=d72610dbc3930e073808fce04bd5c9a37ef9666d;hpb=e2eda444afbe82e9591fe198eef339227f90a616 diff --git a/capi/dali-toolkit/public-api/controls/control-impl.h b/capi/dali-toolkit/public-api/controls/control-impl.h index f4643db..b2b687f 100644 --- a/capi/dali-toolkit/public-api/controls/control-impl.h +++ b/capi/dali-toolkit/public-api/controls/control-impl.h @@ -18,7 +18,7 @@ // /** - * @addtogroup CAPI_DALI_FRAMEWORK + * @addtogroup CAPI_DALI_TOOLKIT_CONTROLS_MODULE * @{ */ @@ -31,111 +31,138 @@ namespace Dali DALI_IMPORT_API namespace Toolkit { +class StyleManager; + namespace Internal DALI_INTERNAL { -class StyleChangeProcessor; class RelayoutControllerImpl; class KeyInputFocusManager; } -typedef std::pair< Actor, Vector2 > ActorSizePair; -typedef std::vector< ActorSizePair > ActorSizeContainer; +typedef std::pair< Actor, Vector2 > ActorSizePair; ///< Pair of actor and size +typedef std::vector< ActorSizePair > ActorSizeContainer; ///< Container of actors and their sizes + +namespace Internal +{ /** - * This is the internal base class for all controls. + * @brief This is the internal base class for all controls. + * * It will provide some common functionality required by all controls. * Implements ConnectionTrackerInterface so that signals (typically connected to member functions) will * be disconnected automatically when the control is destroyed. */ -class ControlImpl : public CustomActorImpl, public ConnectionTrackerInterface +class DALI_IMPORT_API Control : public CustomActorImpl, public ConnectionTrackerInterface { public: + // Properties + enum + { + CONTROL_PROPERTY_START_INDEX = PROPERTY_REGISTRATION_START_INDEX, + CONTROL_PROPERTY_END_INDEX = CONTROL_PROPERTY_START_INDEX + 1000 ///< Reserving 1000 property indices + }; + // Creation /** - * Create a new ControlImpl instance that does not require touch by default. + * @brief Create a new ControlImpl instance that does not require touch by default. + * * If touch is required then the user can connect to this class' touch signal. * @return A handle to the ConntrolImpl instance. */ - static Control New(); + static Toolkit::Control New(); // Destruction /** - * Virtual destructor + * @brief Virtual destructor. */ - virtual ~ControlImpl(); + virtual ~Control(); // Actions /** - * This method should be overridden by deriving classes when they wish to be notified when they + * @brief This method should be overridden by deriving classes when they wish to be notified when they * are activated. */ virtual void OnActivated() { } /** - * This method should be overridden by deriving classes when they wish to respond the accessibility + * @brief This method should be overridden by deriving classes when they wish to respond the accessibility * pan gesture. + * * @param[in] gesture The pan gesture. * @return true if the pan gesture has been consumed by this control */ virtual bool OnAccessibilityPan(PanGesture gesture); /** - * This method should be overridden by deriving classes when they wish to respond the accessibility - * up and down action (i.e. value change of slider control) + * @brief This method should be overridden by deriving classes when they wish to respond + * the accessibility up and down action (i.e. value change of slider control). + * * @param[in] isIncrease Whether the value should be increased or decreased * @return true if the value changed action has been consumed by this control */ virtual bool OnAccessibilityValueChange(bool isIncrease); /** - * Sets whether this control supports two dimensional keyboard navigation (i.e. whether it knows how to handle the keyboard - * focus movement between its child actors). The control doesn't support it by default. + * @brief Sets whether this control supports two dimensional + * keyboard navigation (i.e. whether it knows how to handle the + * keyboardn focus movement between its child actors). + * + * The control doesn't support it by default. * @param[in] isSupported Whether this control supports two dimensional keyboard navigation. */ void SetKeyboardNavigationSupport(bool isSupported); /** - * Gets whether this control supports two dimensional keyboard navigation. + * @brief Gets whether this control supports two dimensional keyboard navigation. + * * @return true if this control supports two dimensional keyboard navigation. */ bool IsKeyboardNavigationSupported(); /** - * Sets whether this control is a focus group for keyboard navigation (i.e. the scope of keyboard focus movement + * @brief Sets whether this control is a focus group for keyboard navigation. + * + * (i.e. the scope of keyboard focus movement * can be limitied to its child actors). The control is not a focus group by default. * @param[in] isFocusGroup Whether this control is set as a focus group for keyboard navigation. */ void SetAsKeyboardFocusGroup(bool isFocusGroup); /** - * Gets whether this control is a focus group for keyboard navigation. + * @brief Gets whether this control is a focus group for keyboard navigation. + * * @return true if this control is set as a focus group for keyboard navigation. */ bool IsKeyboardFocusGroup(); /** - * Gets the next keyboard focusable actor in this control towards the given direction. + * @brief Gets the next keyboard focusable actor in this control towards the given direction. + * * A control needs to override this function in order to support two dimensional keyboard navigation. * @param[in] currentFocusedActor The current focused actor. * @param[in] direction The direction to move the focus towards. * @param[in] loopEnabled Whether the focus movement should be looped within the control. * @return the next keyboard focusable actor in this control or an empty handle if no actor can be focused. */ - virtual Actor GetNextKeyboardFocusableActor(Actor currentFocusedActor, Control::KeyboardFocusNavigationDirection direction, bool loopEnabled); + virtual Actor GetNextKeyboardFocusableActor(Actor currentFocusedActor, Toolkit::Control::KeyboardFocusNavigationDirection direction, bool loopEnabled); /** - * Informs this control that its chosen focusable actor will be focused. This allows the application to - * preform any actions if wishes before the focus is actually moved to the chosen actor. + * @brief Informs this control that its chosen focusable actor will be focused. + * + * This allows the application to preform any actions if wishes + * before the focus is actually moved to the chosen actor. + * * @param[in] commitedFocusableActor The commited focusable actor. */ virtual void OnKeyboardFocusChangeCommitted(Actor commitedFocusableActor) { } /** - * Performs actions as requested using the action name. + * @brief Performs actions as requested using the action name. + * * @param[in] object The object on which to perform the action. * @param[in] actionName The action to perform. * @param[in] attributes The attributes with which to perfrom this action. @@ -143,6 +170,77 @@ public: */ static bool DoAction(BaseObject* object, const std::string& actionName, const std::vector& attributes); + /** + * @brief If deriving classes wish to fine tune pinch gesture + * detection then they can access the gesture detector through this + * API and modify the detection. + * + * @return The pinch gesture detector. + * @pre Pinch detection should have been enabled via EnableGestureDetection(). + * @see EnableGestureDetection + */ + PinchGestureDetector GetPinchGestureDetector() const; + + /** + * @brief If deriving classes wish to fine tune pan gesture + * detection then they can access the gesture detector through this + * API and modify the detection. + * + * @return The pan gesture detector. + * @pre Pan detection should have been enabled via EnableGestureDetection(). + * @see EnableGestureDetection + */ + PanGestureDetector GetPanGestureDetector() const; + + /** + * @brief If deriving classes wish to fine tune tap gesture + * detection then they can access the gesture detector through this + * API and modify the detection. + * + * @return The tap gesture detector. + * @pre Tap detection should have been enabled via EnableGestureDetection(). + * @see EnableGestureDetection + */ + TapGestureDetector GetTapGestureDetector() const; + + /** + * @brief If deriving classes wish to fine tune long press gesture + * detection then they can access the gesture detector through this + * API and modify the detection. + * + * @return The long press gesture detector. + * @pre Long press detection should have been enabled via EnableGestureDetection(). + * @see EnableGestureDetection + */ + LongPressGestureDetector GetLongPressGestureDetector() const; + + // Background + + /** + * @copydoc Dali::Toolkit::Control::SetBackgroundColor + */ + void SetBackgroundColor( const Vector4& color ); + + /** + * @copydoc Dali::Toolkit::Control::GetBackgroundColor + */ + Vector4 GetBackgroundColor() const; + + /** + * @copydoc Dali::Toolkit::Control::SetBackground + */ + void SetBackground( Image image ); + + /** + * @copydoc Dali::Toolkit::Control::ClearBackground + */ + void ClearBackground(); + + /** + * @copydoc Dali::Toolkit::Control::GetBackgroundActor + */ + Actor GetBackgroundActor() const; + public: /** @@ -155,14 +253,15 @@ protected: // Construction /** - * Second phase initialization. + * @brief Second phase initialization. */ void Initialize(); // Gesture Detection /** - * Allows deriving classes to enable any of the gesture detectors that are available. + * @brief Allows deriving classes to enable any of the gesture detectors that are available. + * * Gesture detection can be enabled one at a time or in bitwise format as shown: * @code * EnableGestureDetection(Gesture::Type(Gesture::Pinch | Gesture::Tap | Gesture::Pan)); @@ -172,68 +271,36 @@ protected: void EnableGestureDetection(Gesture::Type type); /** - * Allows deriving classes to disable any of the gesture detectors. + * @brief Allows deriving classes to disable any of the gesture detectors. + * * Like EnableGestureDetection, this can also be called using bitwise or. * @param[in] type The gesture type(s) to disable. * @see EnableGetureDetection */ void DisableGestureDetection(Gesture::Type type); - /** - * If deriving classes wish to fine tune pinch gesture detection then they can access the gesture - * detector through this API and modify the detection. - * @return The pinch gesture detector. - * @pre Pinch detection should have been enabled via EnableGestureDetection(). - * @see EnableGestureDetection - */ - PinchGestureDetector GetPinchGestureDetector() const; - - /** - * If deriving classes wish to fine tune pan gesture detection then they can access the gesture - * detector through this API and modify the detection. - * @return The pan gesture detector. - * @pre Pan detection should have been enabled via EnableGestureDetection(). - * @see EnableGestureDetection - */ - PanGestureDetector GetPanGestureDetector() const; - - /** - * If deriving classes wish to fine tune tap gesture detection then they can access the gesture - * detector through this API and modify the detection. - * @return The tap gesture detector. - * @pre Tap detection should have been enabled via EnableGestureDetection(). - * @see EnableGestureDetection - */ - TapGestureDetector GetTapGestureDetector() const; - - /** - * If deriving classes wish to fine tune long press gesture detection then they can access the - * gesture detector through this API and modify the detection. - * @return The long press gesture detector. - * @pre Long press detection should have been enabled via EnableGestureDetection(). - * @see EnableGestureDetection - */ - LongPressGestureDetector GetLongPressGestureDetector() const; - private: // For derived classes to override /** - * This method is called after the Control has been initialized. Derived classes should do - * any second phase initialization by overriding this method. + * @brief This method is called after the Control has been initialized. + * + * Derived classes should do any second phase initialization by + * overriding this method. */ virtual void OnInitialize() { } /** - * This method should be overridden by deriving classes when they wish to be notified when the - * style changes. - * @param[in] change Information denoting what has changed. + * @brief Callback for when the theme changes. */ - virtual void OnStyleChange(StyleChange change) { } + virtual void OnThemeChange( Toolkit::StyleManager styleManager ); /** - * Called whenever a pinch gesture is detected on this control. This can be overridden by - * deriving classes when pinch detection is enabled. The default behaviour is to scale the - * control by the pinch scale. + * @brief Called whenever a pinch gesture is detected on this control. + * + * This can be overridden by deriving classes when pinch detection + * is enabled. The default behaviour is to scale the control by the + * pinch scale. + * * @note If overridden, then the default behaviour will not occur. * @note Pinch detection should be enabled via EnableGestureDetection(). * @param[in] pinch The pinch gesture. @@ -242,8 +309,11 @@ private: // For derived classes to override virtual void OnPinch(PinchGesture pinch); /** - * Called whenever a pan gesture is detected on this control. This should be overridden by - * deriving classes when pan detection is enabled. + * @brief Called whenever a pan gesture is detected on this control. + * + * This should be overridden by deriving classes when pan detection + * is enabled. + * * @note There is no default behaviour with panning. * @note Pan detection should be enabled via EnableGestureDetection(). * @param[in] pan The pan gesture. @@ -252,8 +322,11 @@ private: // For derived classes to override virtual void OnPan(PanGesture pan) { } /** - * Called whenever a tap gesture is detected on this control. This should be overridden by - * deriving classes when tap detection is enabled. + * @brief Called whenever a tap gesture is detected on this control. + * + * This should be overridden by deriving classes when tap detection + * is enabled. + * * @note There is no default behaviour with a tap. * @note Tap detection should be enabled via EnableGestureDetection(). * @param[in] tap The tap gesture. @@ -262,8 +335,11 @@ private: // For derived classes to override virtual void OnTap(TapGesture tap) { } /** - * Called whenever a long press gesture is detected on this control. This should be overridden by - * deriving classes when long press detection is enabled. + * @brief Called whenever a long press gesture is detected on this control. + * + * This should be overridden by deriving classes when long press + * detection is enabled. + * * @note There is no default behaviour associated with a long press. * @note Long press detection should be enabled via EnableGestureDetection(). * @param[in] longPress The long press gesture. @@ -272,40 +348,53 @@ private: // For derived classes to override virtual void OnLongPress(LongPressGesture longPress) { } /** - * Called whenever the control is added to the stage. Could be overridden by derived classes. + * @brief Called whenever the control is added to the stage. + * + * Could be overridden by derived classes. */ virtual void OnControlStageConnection() { } /** - * Called whenever the control is removed from the stage. Could be overridden by derived classes. + * @brief Called whenever the control is removed from the stage. + * + * Could be overridden by derived classes. */ virtual void OnControlStageDisconnection() { } /** - * Called whenever an Actor is added to the control. Could be overridden by derived classes. + * @brief Called whenever an Actor is added to the control. + * + * Could be overridden by derived classes. * * @param[in] child The added actor. */ virtual void OnControlChildAdd( Actor& child ) { } /** - * Called whenever an Actor is removed from the control. Could be overridden by derived classes. + * @brief Called whenever an Actor is removed from the control. + * + * Could be overridden by derived classes. * * @param[in] child The removed actor. */ virtual void OnControlChildRemove( Actor& child ) { } /** - * Called whenever the Control's size is set. Could be overridden by derived classes. + * @brief Called whenever the Control's size is set. + * + * Could be overridden by derived classes. * * @param[in] size The new size. */ virtual void OnControlSizeSet( const Vector3& size ) { } /** - * Called after the Dali::Stage::SignalMessageQueueFlushed() signal is emitted if this control requested to be relaid-out. - * Should be overridden by derived classes if they need to layout actors differently after certain operations like add or - * remove actors, resize or after changing especific properties. + * @brief Called after the Dali::Stage::SignalMessageQueueFlushed() + * signal is emitted if this control requested to be relaid-out. + * + * Should be overridden by derived classes if they need to layout + * actors differently after certain operations like add or remove + * actors, resize or after changing especific properties. * * @param[in] size The allocated size. * @param[in,out] container The control should add actors to this container that it is not able @@ -316,7 +405,10 @@ private: // For derived classes to override private: // From CustomActorImpl, derived classes can override these. /** - * Sends a request to relayout this control. The control will be relaid out after the Dali::Stage::SignalMessageQueueFlushed() signal is emitted. + * @brief Sends a request to relayout this control. + * + * The control will be relaid out after the + * Dali::Stage::SignalMessageQueueFlushed() signal is emitted. * * It calls OnControlStageConnection() to notify derived classes. * @@ -325,15 +417,18 @@ private: // From CustomActorImpl, derived classes can override these. virtual void OnStageConnection(); /** - * Calls OnControlStageDisconnection() to notify derived classed. + * @brief Calls OnControlStageDisconnection() to notify derived classed. * * @see Dali::CustomActorImpl::OnStageDisconnection() */ virtual void OnStageDisconnection(); /** - * Sends a request to relayout this control. The control will be relaid out after the Dali::Stage::SignalMessageQueueFlushed() signal is emitted. - * It calls OnControlChildAdd() to notify derived classes. + * @brief Sends a request to relayout this control. + * + * The control will be relaid out after the + * Dali::Stage::SignalMessageQueueFlushed() signal is emitted. It + * calls OnControlChildAdd() to notify derived classes. * * @note This method shouldn't be overridden by derived classes. * @@ -344,8 +439,11 @@ private: // From CustomActorImpl, derived classes can override these. virtual void OnChildAdd(Actor& child); /** - * Sends a request to relayout this control. The control will be relaid out after the Dali::Stage::SignalMessageQueueFlushed() signal is emitted. - * It calls OnControlChildRemove() to notify derived classes. + * @brief Sends a request to relayout this control. + * + * The control will be relaid out after the + * Dali::Stage::SignalMessageQueueFlushed() signal is emitted. It + * calls OnControlChildRemove() to notify derived classes. * * @note This method shouldn't be overridden by derived classes. * @@ -356,7 +454,9 @@ private: // From CustomActorImpl, derived classes can override these. virtual void OnChildRemove(Actor& child); /** - * It stores the size set by size negotiation and relayout. It also keeps a backup of the size set through the Actor's API used in the size negotiation. + * @brief It stores the size set by size negotiation and relayout. + * + * It also keeps a backup of the size set through the Actor's API used in the size negotiation. * It calls the OnControlSizeSet() to notify derived classes. * * @param[in] targetSize The new size. @@ -403,77 +503,96 @@ private: // From CustomActorImpl, derived classes can override these. private: /** - * Perform the activated action. + * @brief Perform the activated action. + * * @param[in] attributes The attributes to perfrom this action. */ void DoActivatedAction(const PropertyValueContainer& attributes); protected: // Construction + // Flags for the constructor + enum ControlBehaviour + { + CONTROL_BEHAVIOUR_NONE = 0x0, + REQUIRES_TOUCH_EVENTS = 0x1, ///< True if the OnTouchEvent() callback is required. + REQUIRES_THEME_CHANGE_SIGNALS = 0x2 ///< True if this control should listen to theme change signals + }; + /** - * Create a ControlImpl. + * @deprecated Use the constructor taking flags instead + * @brief Create a Control. + * * @param[in] requiresTouchEvents True if the OnTouchEvent() callback is required. */ - ControlImpl(bool requiresTouchEvents); + Control(bool requiresTouchEvents); + + /** + * @brief Create a Control. + * + * @param[in] behaviourFlags Behavioural flags from ControlBehaviour enum + */ + Control(ControlBehaviour behaviourFlags); public: // Size negotiation /** - * @copydoc Control::SetSizePolicy() + * @copydoc Toolkit::Control::SetSizePolicy() */ - void SetSizePolicy( Control::SizePolicy widthPolicy, Control::SizePolicy heightPolicy ); + void SetSizePolicy( Toolkit::Control::SizePolicy widthPolicy, Toolkit::Control::SizePolicy heightPolicy ); /** - * @copydoc Control::GetSizePolicy() + * @copydoc Toolkit::Control::GetSizePolicy() */ - void GetSizePolicy( Control::SizePolicy& widthPolicy, Control::SizePolicy& heightPolicy ) const; + void GetSizePolicy( Toolkit::Control::SizePolicy& widthPolicy, Toolkit::Control::SizePolicy& heightPolicy ) const; /** - * @copydoc Control::SetMinimumSize() + * @copydoc Toolkit::Control::SetMinimumSize() */ void SetMinimumSize( const Vector3& size ); /** - * @copydoc Control::GetMinimumSize() + * @copydoc Toolkit::Control::GetMinimumSize() */ const Vector3& GetMinimumSize() const; /** - * @copydoc Control::SetMaximumSize() + * @copydoc Toolkit::Control::SetMaximumSize() */ void SetMaximumSize( const Vector3& size ); /** - * @copydoc Control::GetMaximumSize() + * @copydoc Toolkit::Control::GetMaximumSize() */ const Vector3& GetMaximumSize() const; /** - * @copydoc Control::GetNaturalSize() + * @copydoc Toolkit::Control::GetNaturalSize() */ virtual Vector3 GetNaturalSize(); /** - * @copydoc Control::GetHeightForWidth() + * @copydoc Toolkit::Control::GetHeightForWidth() */ virtual float GetHeightForWidth( float width ); /** - * @copydoc Control::GetWidthForHeight() + * @copydoc Toolkit::Control::GetWidthForHeight() */ virtual float GetWidthForHeight( float height ); /** - * Retrieves the current Control's size. + * @brief Retrieves the current Control's size. * * @return The control's size. */ const Vector3& GetControlSize() const; /** - * Retrieves the Control's size set by the Application / Control. + * @brief Retrieves the Control's size set by the Application / Control. + * * @return The control's size. */ const Vector3& GetSizeSet() const; @@ -481,17 +600,17 @@ public: //KeyInput /** - * @copydoc Control::SetKeyInputFocus() + * @copydoc Toolkit::Control::SetKeyInputFocus() */ void SetKeyInputFocus(); /** - * @copydoc Control::HasKeyInputFocus() + * @copydoc Toolkit::Control::HasKeyInputFocus() */ bool HasKeyInputFocus(); /** - * @copydoc Control::ClearKeyInputFocus() + * @copydoc Toolkit::Control::ClearKeyInputFocus() */ void ClearKeyInputFocus(); @@ -513,19 +632,28 @@ public: protected: /** - * Sends a request to be relaid-out. This methos is called from OnStageConnection(), OnChildAdd(), OnChildRemove(), SetSizePolicy(), SetMinimumSize() and SetMaximumSize(). + * @brief Sends a request to be relaid-out. + * + * This method is called from OnStageConnection(), OnChildAdd(), + * OnChildRemove(), SetSizePolicy(), SetMinimumSize() and + * SetMaximumSize(). * - * This method could also be called from derived classes every time a control's poperty change and it needs to be relaid-out. - * After the Dali::Stage::SignalMessageQueueFlushed() is emitted a relayout process starts and all controls which called this method will be relaid-out. + * This method could also be called from derived classes every time + * a control's poperty change and it needs to be relaid-out. After + * the Dali::Stage::SignalMessageQueueFlushed() is emitted a + * relayout process starts and all controls which called this method + * will be relaid-out. * - * @note RelayoutRequest() only sends a request per Control before the Dali::Stage::SignalMessageQueueFlushed() signal is emitted. That means a control will be relaid-out - * only once, even if more than one request is sent between two consecutive signals. + * @note RelayoutRequest() only sends a request per Control before + * the Dali::Stage::SignalMessageQueueFlushed() signal is + * emitted. That means a control will be relaid-out only once, even + * if more than one request is sent between two consecutive signals. */ void RelayoutRequest(); /** - * Helper method for controls to Relayout their children if they do not know whether that child is - * a control or not. + * @brief Helper method for controls to Relayout their children if + * they do not know whether that child is a control or not. * * @param[in] actor The actor to relayout. * @param[in] size The size to allocate to the actor. @@ -536,10 +664,12 @@ protected: private: // Used by the RelayoutController /** - * Called by the RelayoutController to negotiate the size of a control. The size allocated by the - * the algorithm is passed in which the control must adhere to. A container is passed in as well - * which the control should populate with actors it has not / or does not need to handle in its - * size negotiation. + * @brief Called by the RelayoutController to negotiate the size of a control. + * + * The size allocated by the the algorithm is passed in which the + * control must adhere to. A container is passed in as well which + * the control should populate with actors it has not / or does not + * need to handle in its size negotiation. * * @param[in] size The allocated size. * @param[in,out] container The container that holds actors that are fed back into the @@ -550,7 +680,8 @@ private: // Used by the RelayoutController private: /** - * Called by NegotiateSize when the size to allocate to the control has been calculated. + * @brief Called by NegotiateSize when the size to allocate to the control has been calculated. + * * It calls the OnRelaidOut() method which can be overridden by derived classes. * * @param[in] size The allocated size. @@ -560,7 +691,8 @@ private: void Relayout( Vector2 size, ActorSizeContainer& container ); /** - * Used by the KeyInputFocusManager to emit key event signals. + * @brief Used by the KeyInputFocusManager to emit key event signals. + * * @param[in] event The key event. * @return True if the event was consumed. */ @@ -571,17 +703,20 @@ private: private: // Undefined - ControlImpl(const ControlImpl&); - ControlImpl& operator=(const ControlImpl&); + Control(const Control&); + Control& operator=(const Control&); class Impl; Impl *mImpl; - friend class Internal::StyleChangeProcessor; friend class Internal::RelayoutControllerImpl; ///< Relayout controller needs to call Relayout() which is private. friend class Internal::KeyInputFocusManager; ///< KeyInputFocusManager needs to call which is private. }; +} // namespace Internal + +typedef Internal::Control ControlImpl; ///< @deprecated, Use Internal::Control + } // namespace Toolkit } // namespace Dali