content/browser/accessibility/browser_accessibility_auralinux.h

   1 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_AURALINUX_H_
   6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_AURALINUX_H_
   7
   8 #include <atk/atk.h>
   9
  10 #include "base/compiler_specific.h"
  11 #include "content/browser/accessibility/browser_accessibility.h"
  12
  13 namespace content {
  14
  15 class BrowserAccessibilityAuraLinux;
  16 class BrowserAccessibilityManagerAuraLinux;
  17
  18 G_BEGIN_DECLS
  19
  20 #define BROWSER_ACCESSIBILITY_TYPE (browser_accessibility_get_type())
  21 #define BROWSER_ACCESSIBILITY(obj)                               \
  22   (G_TYPE_CHECK_INSTANCE_CAST((obj), BROWSER_ACCESSIBILITY_TYPE, \
  23                               BrowserAccessibilityAtk))
  24 #define BROWSER_ACCESSIBILITY_CLASS(klass)                      \
  25   (G_TYPE_CHECK_CLASS_CAST((klass), BROWSER_ACCESSIBILITY_TYPE, \
  26                            BrowserAccessibilityAtkClass))
  27 #define IS_BROWSER_ACCESSIBILITY(obj) \
  28   (G_TYPE_CHECK_INSTANCE_TYPE((obj), BROWSER_ACCESSIBILITY_TYPE))
  29 #define IS_BROWSER_ACCESSIBILITY_CLASS(klass) \
  30   (G_TYPE_CHECK_CLASS_TYPE((klass), BROWSER_ACCESSIBILITY_TYPE))
  31 #define BROWSER_ACCESSIBILITY_GET_CLASS(obj)                    \
  32   (G_TYPE_INSTANCE_GET_CLASS((obj), BROWSER_ACCESSIBILITY_TYPE, \
  33                              BrowserAccessibilityAtkClass))
  34
  35 typedef struct _BrowserAccessibilityAtk BrowserAccessibilityAtk;
  36 typedef struct _BrowserAccessibilityAtkClass BrowserAccessibilityAtkClass;
  37
  38 struct _BrowserAccessibilityAtk {
  39   AtkObject parent;
  40   BrowserAccessibilityAuraLinux* m_object;
  41 };
  42
  43 struct _BrowserAccessibilityAtkClass {
  44   AtkObjectClass parent_class;
  45 };
  46
  47 GType browser_accessibility_get_type(void) G_GNUC_CONST;
  48
  49 BrowserAccessibilityAtk* browser_accessibility_new(
  50     BrowserAccessibilityAuraLinux* object);
  51
  52 BrowserAccessibilityAuraLinux* browser_accessibility_get_object(
  53     BrowserAccessibilityAtk* atk_object);
  54
  55 void browser_accessibility_detach(BrowserAccessibilityAtk* atk_object);
  56
  57 AtkObject* browser_accessibility_get_focused_element(
  58     BrowserAccessibilityAtk* atk_object);
  59
  60 G_END_DECLS
  61
  62 class BrowserAccessibilityAuraLinux : public BrowserAccessibility {
  63  public:
  64   BrowserAccessibilityAuraLinux();
  65
  66   ~BrowserAccessibilityAuraLinux() override;
  67
  68   AtkObject* GetAtkObject() const;
  69
  70   AtkRole atk_role() { return atk_role_; }
  71
  72   // BrowserAccessibility methods.
  73   void OnDataChanged() override;
  74   bool IsNative() const override;
  75
  76  private:
  77   virtual void InitRoleAndState();
  78
  79   // Give BrowserAccessibility::Create access to our constructor.
  80   friend class BrowserAccessibility;
  81
  82   AtkObject* atk_object_;
  83   AtkRole atk_role_;
  84   int interface_mask_;
  85
  86  private:
  87   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityAuraLinux);
  88 };
  89
  90 }  // namespace content
  91
  92 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_AURALINUX_H_