ui/accessibility/platform/ax_platform_node_auralinux.h

   1 // Copyright 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 UI_ACCESSIBILITY_AX_PLATFORM_NODE_AURALINUX_H_
   6 #define UI_ACCESSIBILITY_AX_PLATFORM_NODE_AURALINUX_H_
   7
   8 #include <atk/atk.h>
   9
  10 #include "ui/accessibility/ax_export.h"
  11 #include "ui/accessibility/platform/ax_platform_node_base.h"
  12
  13 namespace ui {
  14
  15 // Implements accessibility on Aura Linux using ATK.
  16 class AXPlatformNodeAuraLinux : public AXPlatformNodeBase {
  17  public:
  18   AXPlatformNodeAuraLinux();
  19
  20   // Set or get the root-level Application object that's the parent of all
  21   // top-level windows.
  22   AX_EXPORT static void SetApplication(AXPlatformNode* application);
  23   static AXPlatformNode* application() { return application_; }
  24
  25   AtkRole GetAtkRole();
  26   void GetAtkState(AtkStateSet* state_set);
  27   void GetAtkRelations(AtkRelationSet* atk_relation_set);
  28
  29   // AXPlatformNode overrides.
  30   void Destroy() override;
  31   gfx::NativeViewAccessible GetNativeViewAccessible() override;
  32   void NotifyAccessibilityEvent(ui::AXEvent event_type) override;
  33
  34   // AXPlatformNodeBase overrides.
  35   void Init(AXPlatformNodeDelegate* delegate) override;
  36   int GetIndexInParent() override;
  37
  38  private:
  39   ~AXPlatformNodeAuraLinux() override;
  40
  41   // We own a reference to this ref-counted object.
  42   AtkObject* atk_object_;
  43
  44   // The root-level Application object that's the parent of all
  45   // top-level windows.
  46   static AXPlatformNode* application_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(AXPlatformNodeAuraLinux);
  49 };
  50
  51 }  // namespace ui
  52
  53 #endif  // UI_ACCESSIBILITY_AX_PLATFORM_NODE_AURALINUX_H_