[AT-SPI] Introduce TextControlAccessible

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / text-controls / text-field-impl.h

diff --git a/dali-toolkit/internal/controls/text-controls/text-field-impl.h b/dali-toolkit/internal/controls/text-controls/text-field-impl.h
index 1f97263..223fa71 100644 (file)
--- a/dali-toolkit/internal/controls/text-controls/text-field-impl.h
+++ b/dali-toolkit/internal/controls/text-controls/text-field-impl.h
@@ -2,7 +2,7 @@
 #define DALI_TOOLKIT_INTERNAL_TEXT_FIELD_H
 
 /*
- * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 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.
@@ -21,11 +21,15 @@
 // EXTERNAL INCLUDES
 #include <dali/devel-api/adaptor-framework/clipboard-event-notifier.h>
 #include <dali/devel-api/adaptor-framework/input-method-context.h>
+#include <dali/devel-api/atspi-interfaces/editable-text.h>
+#include <dali/devel-api/atspi-interfaces/hypertext.h>
+#include <dali/devel-api/atspi-interfaces/text.h>
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/devel-api/controls/control-devel.h>
 #include <dali-toolkit/devel-api/controls/text-controls/text-field-devel.h>
 #include <dali-toolkit/internal/controls/control/control-data-impl.h>
+#include <dali-toolkit/internal/controls/text-controls/common-text-utils.h>
 #include <dali-toolkit/internal/text/decorator/text-decorator.h>
 #include <dali-toolkit/internal/text/rendering/text-renderer.h>
 #include <dali-toolkit/internal/text/text-anchor-control-interface.h>
@@ -136,6 +140,11 @@ public:
    */
   DevelTextField::SelectionClearedSignalType& SelectionClearedSignal();
 
+  /**
+   * @copydoc TextField::SelectionStartedSignal()
+   */
+  DevelTextField::SelectionStartedSignalType& SelectionStartedSignal();
+
 private: // From Control
   /**
    * @copydoc Control::OnInitialize()
@@ -249,7 +258,7 @@ private: // From Control
   /**
    * @copydoc Text::EditableControlInterface::AddDecoration()
    */
-  void AddDecoration(Actor& actor, bool needsClipping) override;
+  void AddDecoration(Actor& actor, Toolkit::Text::DecorationType type, bool needsClipping) override;
 
   /**
    * @copydoc Text::EditableControlInterface::InputFiltered()
@@ -263,6 +272,7 @@ private: // From Control
 
   // From SelectableControlInterface
 public:
+
   /**
    * @copydoc Text::SelectableControlInterface::SetTextSelectionRange()
    */
@@ -415,6 +425,11 @@ private: // Implementation
   void EmitSelectionClearedSignal();
 
   /**
+   * @brief Emits SelectionStarted signal.
+   */
+  void EmitSelectionStartedSignal();
+
+  /**
    * @brief Callback function for when the layout is changed.
    * @param[in] actor The actor whose layoutDirection is changed.
    * @param[in] type  The layoutDirection.
@@ -422,6 +437,13 @@ private: // Implementation
   void OnLayoutDirectionChanged(Actor actor, LayoutDirection::Type type);
 
   /**
+  * @brief Add a layer for active or cursor.
+  * @param[in] layer The actor in which to store the layer.
+  * @param[in] actor The new layer to add.
+  */
+  void AddLayer(Actor& layer, Actor& actor);
+
+  /**
    * Construct a new TextField.
    */
   TextField();
@@ -464,6 +486,7 @@ private: // Data
   Toolkit::DevelTextField::CursorPositionChangedSignalType mCursorPositionChangedSignal;
   Toolkit::DevelTextField::SelectionChangedSignalType      mSelectionChangedSignal;
   Toolkit::DevelTextField::SelectionClearedSignalType      mSelectionClearedSignal;
+  Toolkit::DevelTextField::SelectionStartedSignalType      mSelectionStartedSignal;
 
   InputMethodContext               mInputMethodContext;
   Text::ControllerPtr              mController;
@@ -476,6 +499,7 @@ private: // Data
 
   Actor         mRenderableActor;
   Actor         mActiveLayer;
+  Actor         mCursorLayer;
   Actor         mBackgroundActor;
   CallbackBase* mIdleCallback;
 
@@ -495,108 +519,49 @@ private: // Data
   uint32_t mOldSelectionStart;
   uint32_t mOldSelectionEnd;
 
+  bool mSelectionStarted : 1; ///< If true, emits SelectionStartedSignal at the end of OnRelayout().
+
 protected:
   struct PropertyHandler;
 
   /**
    * @brief This structure is to connect TextField with Accessible functions.
    */
-  struct AccessibleImpl : public DevelControl::AccessibleImpl,
-                          public virtual Dali::Accessibility::Text,
-                          public virtual Dali::Accessibility::EditableText,
-                          public virtual Dali::Accessibility::Hypertext
+  class TextFieldAccessible : public EditableTextControlAccessible
   {
-    using DevelControl::AccessibleImpl::AccessibleImpl;
+  public:
+    using EditableTextControlAccessible::EditableTextControlAccessible;
 
     /**
      * @copydoc Dali::Accessibility::Accessible::GetName()
      */
-    std::string GetName() override;
-
-    /**
-     * @copydoc Dali::Accessibility::Text::GetText()
-     */
-    std::string GetText(size_t startOffset, size_t endOffset) override;
-
-    /**
-     * @copydoc Dali::Accessibility::Text::GetCharacterCount()
-     */
-    size_t GetCharacterCount() override;
-
-    /**
-     * @copydoc Dali::Accessibility::Text::GetCursorOffset()
-     */
-    size_t GetCursorOffset() override;
-
-    /**
-     * @copydoc Dali::Accessibility::Text::SetCursorOffset()
-     */
-    bool SetCursorOffset(size_t offset) override;
-
-    /**
-     * @copydoc Dali::Accessibility::Text::GetTextAtOffset()
-     */
-    Accessibility::Range GetTextAtOffset(size_t offset, Accessibility::TextBoundary boundary) override;
-
-    /**
-     * @copydoc Dali::Accessibility::Text::GetRangeOfSelection()
-     */
-    Accessibility::Range GetRangeOfSelection(size_t selectionIndex) override;
-
-    /**
-     * @copydoc Dali::Accessibility::Text::RemoveSelection()
-     */
-    bool RemoveSelection(size_t selectionIndex) override;
-
-    /**
-     * @copydoc Dali::Accessibility::Text::SetRangeOfSelection()
-     */
-    bool SetRangeOfSelection(size_t selectionIndex, size_t startOffset, size_t endOffset) override;
-
-    /**
-     * @copydoc Dali::Accessibility::EditableText::CopyText()
-     */
-    bool CopyText(size_t startPosition, size_t endPosition) override;
-
-    /**
-     * @copydoc Dali::Accessibility::EditableText::CutText()
-     */
-    bool CutText(size_t startPosition, size_t endPosition) override;
-
-    /**
-     * @copydoc Dali::Accessibility::Accessible::GetStates()
-     */
-    Accessibility::States CalculateStates() override;
-
-    /**
-     * @copydoc Dali::Accessibility::EditableText::InsertText()
-     */
-    bool InsertText(size_t startPosition, std::string text) override;
+    std::string GetName() const override;
 
+  protected:
     /**
-     * @copydoc Dali::Accessibility::EditableText::SetTextContents()
+     * @copydoc Dali::Toolkit::Internal::TextControlAccessible::GetTextAnchors()
      */
-    bool SetTextContents(std::string newContents) override;
+    const std::vector<Toolkit::TextAnchor>& GetTextAnchors() const override;
 
     /**
-     * @copydoc Dali::Accessibility::EditableText::DeleteText()
+     * @copydoc Dali::Toolkit::Internal::TextControlAccessible::GetTextController()
      */
-    bool DeleteText(size_t startPosition, size_t endPosition) override;
+    Toolkit::Text::ControllerPtr GetTextController() const override;
 
     /**
-     * @copydoc Dali::Accessibility::Hypertext::GetLink()
+     * @copydoc Dali::Toolkit::Internal::TextControlAccessible::GetSubstituteCharacter()
      */
-    Accessibility::Hyperlink* GetLink(int32_t linkIndex) const override;
+    std::uint32_t GetSubstituteCharacter() const override;
 
     /**
-     * @copydoc Dali::Accessibility::Hypertext::GetLinkIndex()
+     * @copydoc Dali::Toolkit::Internal::TextControlAccessible::IsHiddenInput()
      */
-    int32_t GetLinkIndex(int32_t characterOffset) const override;
+    bool IsHiddenInput() const override;
 
     /**
-     * @copydoc Dali::Accessibility::Hypertext::GetLinkCount()
+     * @copydoc Dali::Toolkit::Internal::EditableTextControlAccessible::RequestTextRelayout()
      */
-    int32_t GetLinkCount() const override;
+    void RequestTextRelayout() override;
   };
 };