accessible/generic/TextLeafAccessible.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_a11y_TextLeafAccessible_h__
   7 #define mozilla_a11y_TextLeafAccessible_h__
   8
   9 #include "BaseAccessibles.h"
  10
  11 namespace mozilla {
  12 namespace a11y {
  13
  14 /**
  15  * Generic class used for text nodes.
  16  */
  17 class TextLeafAccessible : public LinkableAccessible {
  18  public:
  19   TextLeafAccessible(nsIContent* aContent, DocAccessible* aDoc);
  20   virtual ~TextLeafAccessible();
  21
  22   // LocalAccessible
  23   virtual mozilla::a11y::role NativeRole() const override;
  24   virtual void AppendTextTo(nsAString& aText, uint32_t aStartOffset = 0,
  25                             uint32_t aLength = UINT32_MAX) override;
  26   virtual ENameValueFlag Name(nsString& aName) const override;
  27
  28   // TextLeafAccessible
  29   void SetText(const nsAString& aText) { mText = aText; }
  30   const nsString& Text() const { return mText; }
  31
  32  protected:
  33   nsString mText;
  34 };
  35
  36 ////////////////////////////////////////////////////////////////////////////////
  37 // LocalAccessible downcast method
  38
  39 inline TextLeafAccessible* LocalAccessible::AsTextLeaf() {
  40   return IsTextLeaf() ? static_cast<TextLeafAccessible*>(this) : nullptr;
  41 }
  42
  43 }  // namespace a11y
  44 }  // namespace mozilla
  45
  46 #endif