RegisterVisuals has option not to auto stage visual

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / public-api / controls / control-impl.h

diff --git a/dali-toolkit/public-api/controls/control-impl.h b/dali-toolkit/public-api/controls/control-impl.h
index 18346c4..eb7d6a9 100644 (file)
--- a/dali-toolkit/public-api/controls/control-impl.h
+++ b/dali-toolkit/public-api/controls/control-impl.h
@@ -296,8 +296,8 @@ public:
 protected: // For derived classes to call
 
   /**
-   * @brief Register a visual by Property Index, linking an Actor to controlRenderer when required.
-   * In the case of the visual being an actor or control deeming controlRenderer not required then controlRenderer should be an empty handle.
+   * @brief Register a visual by Property Index, linking an Actor to visual when required.
+   * In the case of the visual being an actor or control deeming visual not required then visual should be an empty handle.
    * No parenting is done during registration, this should be done by derived class.
    *
    * @SINCE_1_2.0
@@ -305,11 +305,28 @@ protected: // For derived classes to call
    * @param[in] index The Property index of the visual, used to reference visual
    * @param[in] placementActor The actor used to by the visual.
    * @param[in] visual The visual to register
-   * @note Derived class must NOT call visual.SetOnStage(placementActor). It is the responsibility of the base class to connect/disconnect registered visual to stage.
+   * @note Derived class should not call visual.SetOnStage(placementActor). It is the responsibility of the base class to connect/disconnect registered visual to stage.
+   *       Use below API with enabled set to false if derived class wishes to control when visual is staged.
    */
    void RegisterVisual( Property::Index index, Actor& placementActor, Toolkit::Visual::Base& visual );
 
    /**
+    * @brief Register a visual by Property Index, linking an Actor to visual when required.
+    * In the case of the visual being an actor or control deeming visual not required then visual should be an empty handle.
+    * If enabled is false then the visual is not set on stage until enabled by the derived class.
+    * @see EnableVisual
+    *
+    * @SINCE_1_2.11
+    *
+    * @param[in] index The Property index of the visual, used to reference visual
+    * @param[in] placementActor The actor used to by the visual.
+    * @param[in] visual The visual to register
+    * @param[in] enabled false if derived class wants to control when visual is set on stage.
+    *
+    */
+   void RegisterVisual( Property::Index index, Actor& placementActor, Toolkit::Visual::Base& visual, bool enabled );
+
+   /**
     * @brief Erase the entry matching the given index from the list of registered visuals
     * @param[in] index The Property index of the visual, used to reference visual
     *
@@ -329,6 +346,26 @@ protected: // For derived classes to call
    Toolkit::Visual::Base GetVisual( Property::Index index ) const;
 
    /**
+    * @brief Sets the given visual to be displayed or not when parent staged.
+    *
+    * @SINCE_1_2.11
+    *
+    * @param[in] index The Property index of the visual
+    * @param[in] enable flag to set enabled or disabled.
+    */
+   void EnableVisual( Property::Index index, bool enable );
+
+   /**
+    * @brief Queries if the given visual is to be displayed when parent staged.
+    *
+    * @SINCE_1_2.11
+    *
+    * @param[in] index The Property index of the visual
+    * @return bool whether visual is enabled or not
+    */
+   bool IsVisualEnabled( Property::Index index ) const;
+
+   /**
     * @brief Retrieve the placement actor associated with the given index.
     *
     * @SINCE_1_2.2
@@ -462,9 +499,12 @@ protected: // Helpers for deriving classes
    */
   enum ControlBehaviour
   {
-    REQUIRES_STYLE_CHANGE_SIGNALS        = 1 << ( CustomActorImpl::ACTOR_FLAG_COUNT + 0 ),     ///< True if needs to monitor style change signals such as theme/font change @SINCE_1_0.0
+    CONTROL_BEHAVIOUR_DEFAULT            = 0, ///< Default behaviour: Size negotiation is enabled & listens to Style Change signal, but doesn't receive event callbacks. @SINCE_1_2_10
+    REQUIRES_STYLE_CHANGE_SIGNALS        = 1 << ( CustomActorImpl::ACTOR_FLAG_COUNT + 0 ),     ///< True if needs to monitor style change signals such as theme/font change @SINCE_1_0.0 @DEPRECATED_1_2_10
     REQUIRES_KEYBOARD_NAVIGATION_SUPPORT = 1 << ( CustomActorImpl::ACTOR_FLAG_COUNT + 1 ),     ///< True if needs to support keyboard navigation @SINCE_1_0.0
 
+    DISABLE_STYLE_CHANGE_SIGNALS         = 1 << ( CustomActorImpl::ACTOR_FLAG_COUNT + 2 ),     ///< True if control should not monitor style change signals @SINCE_1_2_10
+
     LAST_CONTROL_BEHAVIOUR_FLAG
   };