#define DALI_TOOLKIT_CONTROL_DEVEL_H
/*
- * Copyright (c) 2019 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
*/
// EXTERNAL INCLUDES
+#include <dali/devel-api/adaptor-framework/accessibility-impl.h>
#include <dali/devel-api/adaptor-framework/input-method-context.h>
// INTERNAL INCLUDES
-#include <dali-toolkit/public-api/controls/control.h>
+#include <dali-toolkit/devel-api/controls/accessible-impl.h>
#include <dali-toolkit/devel-api/visual-factory/visual-base.h>
+#include <dali-toolkit/public-api/controls/control.h>
namespace Dali
{
-
namespace Toolkit
{
-
class TransitionData;
namespace Visual
namespace DevelControl
{
+/// @brief AccessibilityActivate signal type.
+typedef Signal<void()> AccessibilityActivateSignalType;
+
+/// @brief AccessibilityReadingSkipped signal type.
+typedef Signal<void()> AccessibilityReadingSkippedSignalType;
+
+/// @brief AccessibilityReadingPaused signal type.
+typedef Signal<void()> AccessibilityReadingPausedSignalType;
+
+/// @brief AccessibilityReadingResumed signal type.
+typedef Signal<void()> AccessibilityReadingResumedSignalType;
+
+/// @brief AccessibilityReadingCancelled signal type.
+typedef Signal<void()> AccessibilityReadingCancelledSignalType;
+
+/// @brief AccessibilityReadingStopped signal type.
+typedef Signal<void()> AccessibilityReadingStoppedSignalType;
+
+/// @brief AccessibilityGetName signal type.
+typedef Signal<void(std::string&)> AccessibilityGetNameSignalType;
+
+/// @brief AccessibilityGetDescription signal type.
+typedef Signal<void(std::string&)> AccessibilityGetDescriptionSignalType;
+
+/// @brief AccessibilityDoGesture signal type.
+typedef Signal<void(std::pair<Dali::Accessibility::GestureInfo, bool>&)> AccessibilityDoGestureSignalType;
enum State
{
namespace Property
{
-
enum
{
- STYLE_NAME = Control::Property::STYLE_NAME,
- KEY_INPUT_FOCUS = Control::Property::KEY_INPUT_FOCUS,
- BACKGROUND = Control::Property::BACKGROUND,
- MARGIN = Control::Property::MARGIN,
- PADDING = Control::Property::PADDING,
+ STYLE_NAME = Control::Property::STYLE_NAME,
+ KEY_INPUT_FOCUS = Control::Property::KEY_INPUT_FOCUS,
+ BACKGROUND = Control::Property::BACKGROUND,
+ MARGIN = Control::Property::MARGIN,
+ PADDING = Control::Property::PADDING,
/**
* @brief Displays a tooltip when the control is hovered over.
* @brief The shadow of the control.
* @details Name "shadow", type Property::MAP.
*/
- SHADOW = PADDING + 8
+ SHADOW = PADDING + 8,
+
+ /**
+ * @brief The name of object visible in accessibility tree.
+ * @details Name "accessibilityName", type Property::STRING.
+ */
+ ACCESSIBILITY_NAME,
+
+ /**
+ * @brief The description of object visible in accessibility tree.
+ * @details Name "accessibilityDescription", type Property::STRING.
+ */
+ ACCESSIBILITY_DESCRIPTION,
+
+ /**
+ * @brief Current translation domain for accessibility clients.
+ * @details Name "accessibilityTranslationDomain", type Property::STRING.
+ */
+ ACCESSIBILITY_TRANSLATION_DOMAIN,
+
+ /**
+ * @brief Role being performed in accessibility hierarchy.
+ * @details Name "accessibilityRole", type Property::INTEGER.
+ * @note Property is stored as INTEGER, however its interpretaton
+ * depend on enumeration Dali::Accessibility::Role and should be read and written
+ * with usage of enumerated values.
+ * @see Dali::Accessibility::Role
+ */
+ ACCESSIBILITY_ROLE,
+ /**
+ * @brief Mark of able to highlight object.
+ * @details Name "accessibilityHighlightable", type Property::BOOLEAN.
+ */
+ ACCESSIBILITY_HIGHLIGHTABLE,
+ /**
+ * @brief Set of accessibility attributes describing object in accessibility hierarchy
+ * @details Name "accessibilityAttributes", type Property::MAP
+ */
+ ACCESSIBILITY_ATTRIBUTES
};
} // namespace Property
* @param[in] index The Property index of the visual, used to reference visual
* @param[in] visual The visual to register
*
- * @note Derived class should not call visual.SetOnStage(actor). It is the responsibility of the base class to connect/disconnect registered visual to stage.
+ * @note Derived class should not call visual.SetOnScene(actor). 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.
* @note If the depth-index is not set on the visual, then it is set to be above the currently registered visuals.
* @note If replacing a visual, then the depth-index of the visual being replaced is used for the visual.
*/
-DALI_TOOLKIT_API void RegisterVisual( Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual );
+DALI_TOOLKIT_API void RegisterVisual(Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual);
/**
* @brief Register a visual by Property Index with a depth index.
* @param[in] visual The visual to register
* @param[in] depthIndex The visual's depth-index is set to this
*
- * @note Derived class should not call visual.SetOnStage(actor). It is the responsibility of the base class to connect/disconnect registered visual to stage.
+ * @note Derived class should not call visual.SetOnScene(actor). 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.
*
* @see Visual::Base::GetDepthIndex()
* @see Visual::Base::SetDepthIndex()
*/
-DALI_TOOLKIT_API void RegisterVisual( Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual, int depthIndex );
+DALI_TOOLKIT_API void RegisterVisual(Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual, int depthIndex);
/**
* @brief Register a visual by Property Index with the option of enabling/disabling it.
*
* @see EnableVisual()
*/
-DALI_TOOLKIT_API void RegisterVisual( Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual, bool enabled );
+DALI_TOOLKIT_API void RegisterVisual(Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual, bool enabled);
/**
* @brief Register a visual by Property Index with a depth index with the option of enabling/disabling it.
* @see Visual::Base::GetDepthIndex()
* @see Visual::Base::SetDepthIndex()
*/
-DALI_TOOLKIT_API void RegisterVisual( Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual, bool enabled, int depthIndex );
+DALI_TOOLKIT_API void RegisterVisual(Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual, bool enabled, int depthIndex);
/**
* @brief Erase the entry matching the given index from the list of registered visuals
* @param[in] control The control
* @param[in] index The Property index of the visual, used to reference visual
*/
-DALI_TOOLKIT_API void UnregisterVisual( Internal::Control& control, Dali::Property::Index index );
+DALI_TOOLKIT_API void UnregisterVisual(Internal::Control& control, Dali::Property::Index index);
/**
* @brief Retrieve the visual associated with the given property index.
* @return The registered visual if exist, otherwise empty handle.
* @note For managing object life-cycle, do not store the returned visual as a member which increments its reference count.
*/
-DALI_TOOLKIT_API Toolkit::Visual::Base GetVisual( const Internal::Control& control, Dali::Property::Index index );
+DALI_TOOLKIT_API Toolkit::Visual::Base GetVisual(const Internal::Control& control, Dali::Property::Index index);
/**
* @brief Sets the given visual to be displayed or not when parent staged.
* @param[in] index The Property index of the visual
* @param[in] enable flag to set enabled or disabled.
*/
-DALI_TOOLKIT_API void EnableVisual( Internal::Control& control, Dali::Property::Index index, bool enable );
+DALI_TOOLKIT_API void EnableVisual(Internal::Control& control, Dali::Property::Index index, bool enable);
/**
* @brief Queries if the given visual is to be displayed when parent staged.
* @param[in] index The Property index of the visual
* @return bool whether visual is enabled or not
*/
-DALI_TOOLKIT_API bool IsVisualEnabled( const Internal::Control& control, Dali::Property::Index index );
-
+DALI_TOOLKIT_API bool IsVisualEnabled(const Internal::Control& control, Dali::Property::Index index);
/**
* @brief Add a transition effect on the control to the given animation
* @param[in] animation The Animation to add valid transitions to
* @param[in] transitionData The transition data describing the effect to create
*/
-DALI_TOOLKIT_API void AddTransitions( Internal::Control& control,
- Dali::Animation animation,
- const Toolkit::TransitionData& transitionData );
+DALI_TOOLKIT_API void AddTransitions(Internal::Control& control,
+ Dali::Animation animation,
+ const Toolkit::TransitionData& transitionData);
/**
* @brief Create a transition effect on the control.
* @return A handle to an animation defined with the given effect, or an empty
* handle if no properties match.
*/
-DALI_TOOLKIT_API Dali::Animation CreateTransition( Internal::Control& control,
- const Toolkit::TransitionData& transitionData );
+DALI_TOOLKIT_API Dali::Animation CreateTransition(Internal::Control& control,
+ const Toolkit::TransitionData& transitionData);
/**
* @brief Perform an action on a visual registered to this control.
* @param[in] actionId The action to perform. See Visual to find supported actions.
* @param[in] attributes Optional attributes for the action.
*/
-DALI_TOOLKIT_API void DoAction( Control& control, Dali::Property::Index visualIndex, Dali::Property::Index actionId, const Dali::Property::Value attributes );
+DALI_TOOLKIT_API void DoAction(Control& control, Dali::Property::Index visualIndex, Dali::Property::Index actionId, const Dali::Property::Value attributes);
/**
* @brief Set input method context.
* @param[in] control The control.
* @param[in] inputMethodContext The input method context.
*/
-DALI_TOOLKIT_API void SetInputMethodContext( Internal::Control& control, InputMethodContext& inputMethodContext );
+DALI_TOOLKIT_API void SetInputMethodContext(Internal::Control& control, InputMethodContext& inputMethodContext);
/**
* @brief Visual Event signal type
*/
-using VisualEventSignalType = Signal< void ( Control, Dali::Property::Index, Dali::Property::Index ) >;
+using VisualEventSignalType = Signal<void(Control, Dali::Property::Index, Dali::Property::Index)>;
/**
* @brief This signal is emitted when a visual has an event to notify.
* @endcode
* @return The signal to connect to
*/
-DALI_TOOLKIT_API VisualEventSignalType& VisualEventSignal( Control control );
+DALI_TOOLKIT_API VisualEventSignalType& VisualEventSignal(Control control);
+
+/**
+ * @brief Retrieve the property object associated with the given property index and the visual property key.
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual.
+ * @param[in] visualPropertyKey The key of the visual's property.
+ * @return The Property object
+ */
+DALI_TOOLKIT_API Dali::Property GetVisualProperty(Control control, Dali::Property::Index index, Dali::Property::Key visualPropertyKey);
+
+/**
+ * @brief The signal is emmited as a succession of "activate" signal send by accessibility client.
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityActivateSignalType& AccessibilityActivateSignal(Toolkit::Control control);
+
+/**
+ * @brief The signal is emmited when text send via Dali::Accessibility::Bridge::Say
+ * was placed in TTS queue but other text with higher priority prevented it from being read.
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingSkippedSignalType& AccessibilityReadingSkippedSignal(Toolkit::Control control);
+
+/**
+ * @brief
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingPausedSignalType& AccessibilityReadingPausedSignal(Toolkit::Control control);
+
+/**
+ * @brief
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingResumedSignalType& AccessibilityReadingResumedSignal(Toolkit::Control control);
+
+/**
+ * @brief The signal is emmited when text send via Dali::Accessibility::Bridge::Say
+ * was placed in TTS queue and reading was started but other text with higher priority cancelled it.
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingCancelledSignalType& AccessibilityReadingCancelledSignal(Toolkit::Control control);
+
+/**
+ * @brief The signal is emmited when text send via Dali::Accessibility::Bridge::Say
+ * was fully read by TTS module.
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingStoppedSignalType& AccessibilityReadingStoppedSignal(Toolkit::Control control);
+
+/**
+ * @brief The signal is emmited when accessibility client asks for object's name.
+ *
+ * Connected callback should assign name to std::string call parameter.
+ * Accessibility name can be stored in two ways:
+ * this signal,
+ * ACCESSIBILITY_NAME property,
+ * Priority is as above. If none is used, default implementation is provided.
+ * @return [description]
+ */
+DALI_TOOLKIT_API AccessibilityGetNameSignalType& AccessibilityGetNameSignal(Toolkit::Control control);
+
+/**
+ * @brief The signal is emmited when accessibility client asks for object's description.
+ *
+ * Connected callback should assign description to std::string call parameter.
+ * Accessibility description can be stored in two ways:
+ * this signal,
+ * ACCESSIBILITY_DESCRIPTION property,
+ * Priority is as above. If none is used, default implementation is provided.
+ * @return signal handler
+ */
+DALI_TOOLKIT_API AccessibilityGetDescriptionSignalType& AccessibilityGetDescriptionSignal(Toolkit::Control control);
+
+/**
+ * @brief The signal is emitted when accessibility client call "DoGesture" method via IPC mechanism.
+ *
+ * This signal allows developers to serve incoming gesture in specific way.
+ * @return signal handler
+ */
+DALI_TOOLKIT_API AccessibilityDoGestureSignalType& AccessibilityDoGestureSignal(Toolkit::Control control);
+
+/**
+ * @brief The method allows connection with other actor with usage of concrete accessibility relation type.
+ *
+ * @param control object to append attribute to
+ * @param destination Actor object
+ * @param relation enumerated value describing relation
+ */
+DALI_TOOLKIT_API void AppendAccessibilityRelation(Dali::Actor control, Actor destination, Dali::Accessibility::RelationType relation);
+
+/**
+ * @brief The method allows removing relation
+ *
+ * @param control object to append attribute to
+ * @param destination Actor object
+ * @param relation enumerated value describing relation
+ */
+DALI_TOOLKIT_API void RemoveAccessibilityRelation(Dali::Actor control, Actor destination, Dali::Accessibility::RelationType relation);
+
+/**
+ * @brief The method returns collection accessibility addresses representing objects connected with current object
+ *
+ * @param control object to append attribute to
+ * @return std::vector, where index is casted value of Accessibility::RelationType and value is std::vector of type Accessibility::Address
+ */
+DALI_TOOLKIT_API std::vector<std::vector<Accessibility::Address>> GetAccessibilityRelations(Dali::Actor control);
+
+/**
+ * @brief The method removes all previously appended relations
+ *
+ * @param control object to append attribute to
+ */
+DALI_TOOLKIT_API void ClearAccessibilityRelations(Dali::Actor control);
+
+/**
+ * @brief The method allows to add or modify value matched with given key.
+ * Modification take place if key was previously set.
+ *
+ * @param control object to append attribute to
+ * @param key std::string value
+ * @param value std::string value
+ */
+DALI_TOOLKIT_API void AppendAccessibilityAttribute(Dali::Actor control, const std::string& key, const std::string value);
+
+/**
+ * @brief The method erases key with its value from accessibility attributes
+ * @param control object to append attribute to
+ * @param key std::string value
+ */
+DALI_TOOLKIT_API void RemoveAccessibilityAttribute(Dali::Actor control, const std::string& key);
+
+/**
+ * @brief The method clears accessibility attributes
+ *
+ * @param control object to append attribute to
+ */
+DALI_TOOLKIT_API void ClearAccessibilityAttributes(Dali::Actor control);
+
+/**
+ * @brief The method inserts reading information of an accessible object into attributes
+ *
+ * @param control object to append attribute to
+ * @param types Reading information types
+ */
+DALI_TOOLKIT_API void SetAccessibilityReadingInfoType(Dali::Actor control, const Dali::Accessibility::ReadingInfoTypes types);
+
+/**
+ * @brief The method returns reading information of an accessible object
+ *
+ * @param control object to append attribute to
+ * @return Reading information types
+ */
+DALI_TOOLKIT_API Dali::Accessibility::ReadingInfoTypes GetAccessibilityReadingInfoType(Dali::Actor control);
+
+/**
+ * @brief The method erases highlight.
+ *
+ * @param control object to append attribute to
+ * @return bool value, false when it is not possible or something went wrong, at the other way true.
+ */
+DALI_TOOLKIT_API bool ClearAccessibilityHighlight(Dali::Actor control);
+
+/**
+ * @brief The method grabs highlight.
+ *
+ * @param control object to append attribute to
+ * @return bool value, false when it is not possible or something went wrong, at the other way true.
+ */
+DALI_TOOLKIT_API bool GrabAccessibilityHighlight(Dali::Actor control);
+
+/**
+ * @brief The metod presents bitset of control's states.
+ *
+ * @param control object to append attribute to
+ * @return Dali::Accessibility::States is vector of enumerated State.
+ */
+DALI_TOOLKIT_API Dali::Accessibility::States GetAccessibilityStates(Dali::Actor control);
+
+/**
+ * @brief The method force sending notifications about current states to accessibility clients
+ *
+ * @param control object to append attribute to
+ * @param states mask with states expected to broadcast
+ * @param doRecursive flag pointing if notifications of children's state would be sent
+ */
+DALI_TOOLKIT_API void NotifyAccessibilityStateChange(Dali::Actor control, Dali::Accessibility::States states, bool doRecursive);
+
+/**
+ * The method allows to set specific constructor for creating accessibility structure
+ *
+ * Thank to this method hierarchy of accessibility objects can be based on internal hierarchy of Actors.
+ * It prevents from necessity of keeping two trees synchronized.
+ * The method should be called inside OnInitialize method of all classes inheriting from Control.
+ *
+ * Possible usage can be as follows:
+ * @code
+ * SetAccessibilityConstructor( []( Dali::Actor actor ) {
+ return std::unique_ptr< Dali::Accessibility::Accessible >(
+ new AccessibleImpl( actor, Dali::Accessibility::Role::DIALOG, true ) );
+ } );
+ * @endcode
+ *
+ * param constructor callback creating Accessible object
+ */
+DALI_TOOLKIT_API void SetAccessibilityConstructor(Dali::Actor control, std::function<std::unique_ptr<Dali::Accessibility::Accessible>(Dali::Actor)> constructor);
+
+/**
+ * Returns accessibility object bound to actor, if any
+ *
+ * This method won't bound new accessibility object. Use Dali::Accessibility::Accessible::Get in that case.
+ */
+DALI_TOOLKIT_API Dali::Accessibility::Accessible* GetBoundAccessibilityObject(Dali::Actor control);
} // namespace DevelControl