1// Copyright 2014 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_PLATFORM_AX_PLATFORM_NODE_BASE_H_
6#define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_BASE_H_
7
8#include "ui/accessibility/ax_enums.h"
9#include "ui/accessibility/platform/ax_platform_node.h"
10#include "ui/gfx/geometry/rect.h"
11#include "ui/gfx/native_widget_types.h"
12
13namespace ui {
14
15class AXPlatformNodeDelegate;
16
17class AXPlatformNodeBase : public AXPlatformNode {
18 public:
19   virtual void Init(AXPlatformNodeDelegate* delegate);
20
21  // These are simple wrappers to our delegate.
22  AXRole GetRole() const;
23  gfx::Rect GetBoundsInScreen() const;
24  gfx::NativeViewAccessible GetParent();
25  int GetChildCount();
26  gfx::NativeViewAccessible ChildAtIndex(int index);
27
28  // AXPlatformNode
29  virtual void Destroy() OVERRIDE;
30  virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
31
32 protected:
33  AXPlatformNodeBase();
34  virtual ~AXPlatformNodeBase();
35
36  AXPlatformNodeDelegate* delegate_;  // Weak. Owns this.
37
38 private:
39  DISALLOW_COPY_AND_ASSIGN(AXPlatformNodeBase);
40};
41
42}  // namespace ui
43
44#endif  // UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_BASE_H_
45