-
- /**
- * Get the additional information (e.g. focus order and description) of the given actor.
- * @param actorID The ID of the actor to be queried
- * @return The additional information of the actor
- */
- ActorAdditionalInfo GetActorAdditionalInfo(const unsigned int actorID) const;
-
- /**
- * Synchronize the actor's additional information to reflect its latest focus order
- * @param actorID The ID of the actor
- * @param order The focus order of the actor
- * @return The additional information of the actor
- */
- void SynchronizeActorAdditionalInfo(const unsigned int actorID, const unsigned int order);
-
- /**
- * Move the focus to the specified actor and send notification for the focus change.
- * @param actorID The ID of the actor to be queried
- * @return Whether the focus is successful or not
- */
- bool DoSetCurrentFocusActor(const unsigned int actorID);
-
- /**
- * Move the focus to the next actor in the focus chain towards the specified direction.
- * @param focusIDIter The iterator pointing to the current focused actor
- * @param forward Whether the focus movement is forward or not. The focus movement will be backward if this is false.
- * @param wrapped Whether the focus shoule be moved wrapped around or not
- * @return Whether the focus is successful or not
- */
- bool DoMoveFocus(FocusIDIter focusIDIter, bool forward, bool wrapped);
-
- /**
- * Activate the actor. If the actor is control, call OnAccessibilityActivated virtual function.
- * This function will emit FocusedActorActivatedSignal.
- * @param actor The actor to activate
- */
- void DoActivate(Actor actor);
-
- /**
- * Set whether the actor is focusable or not. A focusable property will be registered for
- * the actor if not yet.
- * @param actor The actor to be focused
- * @param focusable Whether the actor is focusable or not
- */
- void SetFocusable(Actor actor, bool focusable);
-
- /**
- * Handle the accessibility pan gesture.
- * @param[in] panEvent The pan event to be handled.
- * @return whether the gesture is handled successfully or not.
- */
- virtual bool HandlePanGesture(const AccessibilityGestureEvent& panEvent);
-
- /**
- * Change the accessibility status when Accessibility feature(screen-reader) turned on or off.
- * @return whether the status is changed or not.
- */
- virtual bool ChangeAccessibilityStatus();
-
- /**
- * Clear the accessibility focus from the current focused actor.
- * @return whether the focus is cleared or not.
- */
- virtual bool ClearAccessibilityFocus();
-
- /**
- * Perform the accessibility action associated with a scroll event.
- * @param touch The touch point (and time) of the event.
- * @return whether the focus is cleared or not.
- */
- virtual bool AccessibilityActionScroll( Dali::TouchEvent& touch );
-
- /**
- * Perform the accessibility action to move focus to the previous focusable actor (by one finger flick up).
- * @param allowEndFeedback true if end of list feedback should be played when the focus is alread reached to the end
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionPrevious(bool allowEndFeedback);
-
- /**
- * Perform the accessibility action to move focus to the next focusable actor (by one finger flick down).
- * @param allowEndFeedback true if end of list feedback should be played when the focus is alread reached to the end
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionNext(bool allowEndFeedback);
-
- /**
- * Perform the accessibility action to move focus to the previous focusable actor (by one finger flick left).
- * @param allowEndFeedback true if end of list feedback should be played when the focus is alread reached to the end
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionReadPrevious(bool allowEndFeedback);
-
- /**
- * Perform the accessibility action to move focus to the next focusable actor (by one finger flick right).
- * @param allowEndFeedback true if end of list feedback should be played when the focus is alread reached to the end
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionReadNext(bool allowEndFeedback);
-
- /**
- * Perform the accessibility action to focus and read the actor (by one finger tap or move).
- * @param allowReadAgain true if the action read again the same object (i.e. read action)
- * false if the action just read when the focus object is changed (i.e. over action)
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionRead(bool allowReadAgain);
-
- /**
- * Perform the accessibility action to activate the current focused actor (by one finger double tap).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionActivate();
-
- /**
- * Perform the accessibility action to change the value when the current focused actor is a slider
- * (by double finger down and move up and right).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionUp();
-
- /**
- * Perform the accessibility action to change the value when the current focused actor is a slider
- * (by double finger down and move down and left).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionDown();
-
- /**
- * Perform the accessibility action to navigate back (by two fingers circle draw).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionBack();
-
- /**
- * Perform the accessibility action to scroll up the list and focus on the first item on the list
- * after the scrolling and read the item (by two finger swipe up).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionScrollUp();
-
- /**
- * Perform the accessibility action to scroll down the list and focus on the first item on the list
- * after the scrolling and read the item (by two finger swipe down).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionScrollDown();
-
- /**
- * Perform the accessibility action to scroll left to the previous page (by two finger swipe left).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionPageLeft();
-
- /**
- * Perform the accessibility action to scroll right to the next page (by two finger swipe right).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionPageRight();
-
- /**
- * Perform the accessibility action to scroll up to the previous page (by one finger swipe left and right).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionPageUp();
-
- /**
- * Perform the accessibility action to scroll down to the next page (by one finger swipe right and left).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionPageDown();
-
- /**
- * Perform the accessibility action to move the focus to the first item on the screen
- * (by one finger swipe up and down).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionMoveToFirst();
-
- /**
- * Perform the accessibility action to move the focus to the last item on the screen
- * (by one finger swipe down and up).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionMoveToLast();
-
- /**
- * Perform the accessibility action to move the focus to the first item on the top
- * and read from the top item continuously (by three fingers single tap).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionReadFromTop();
-
- /**
- * Perform the accessibility action to move the focus to and read from the next item
- * continuously (by three fingers double tap).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionReadFromNext();
-
- /**
- * Perform the accessibility action to move the focus to do the zooming (by one finger triple tap).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionZoom();
-
- /**
- * Perform the accessibility action to pause/resume the current read out (by two fingers single tap).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionReadPauseResume();
-
- /**
- * Perform the accessibility action to start/stop the current action (by two fingers double tap).
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionStartStop();
-
- /**
- * Perform the accessibility action to mouse move (by one finger tap & hold and move).
- * @param touch touch point and time of the event
- * @return whether the accessibility action is performed or not.
- */
- virtual bool AccessibilityActionTouch(const TouchEvent& touch);
-
- /**
- * This function is connected to the TtsPlayer StateChangeSignal.
- * It is called when the TTS players state changes.
- * @param previousState The previous state of the TTS player (for comparison)
- * @param currentState The current state of the TTS player
- */
- void TtsStateChanged( const Dali::TtsPlayer::State previousState, const Dali::TtsPlayer::State currentState );
-
-private:
-