content/browser/accessibility/browser_accessibility_gtk.h

   1 // Copyright (c) 2012 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_GTK_H_
   6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_GTK_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 BrowserAccessibilityGtk;
  16 class BrowserAccessibilityManagerGtk;
  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( \
  23              (obj), BROWSER_ACCESSIBILITY_TYPE, BrowserAccessibilityAtk))
  24 #define BROWSER_ACCESSIBILITY_CLASS(klass) \
  25     (G_TYPE_CHECK_CLASS_CAST( \
  26         (klass), BROWSER_ACCESSIBILITY_TYPE, 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( \
  33         (obj), BROWSER_ACCESSIBILITY_TYPE, BrowserAccessibilityAtkClass))
  34
  35 typedef struct _BrowserAccessibilityAtk      BrowserAccessibilityAtk;
  36 typedef struct _BrowserAccessibilityAtkClass BrowserAccessibilityAtkClass;
  37
  38 struct _BrowserAccessibilityAtk {
  39   AtkObject parent;
  40   BrowserAccessibilityGtk* 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     BrowserAccessibilityGtk* object);
  51
  52 BrowserAccessibilityGtk* 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 BrowserAccessibilityGtk : public BrowserAccessibility {
  63  public:
  64   BrowserAccessibilityGtk();
  65
  66   virtual ~BrowserAccessibilityGtk();
  67
  68   AtkObject* GetAtkObject() const;
  69
  70   AtkRole atk_role() { return atk_role_; }
  71
  72   // BrowserAccessibility methods.
  73   virtual void PreInitialize() OVERRIDE;
  74   virtual 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(BrowserAccessibilityGtk);
  88 };
  89
  90 }  // namespace content
  91
  92 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_GTK_H_