MacViews: Accessibility bridge

ui/accessibility/platform/ax_platform_node.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_H_
+#define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_H_
+
+#include "ui/accessibility/ax_export.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace ui {
+
+class AXPlatformNodeDelegate;
+
+class AX_EXPORT AXPlatformNode {
+ public:
+  // Create a platform appropriate instance.
+  static AXPlatformNode* Create(AXPlatformNodeDelegate* delegate);
+
+  // Call Destroy rather than deleting this, because the subclass may
+  // use reference counting.
+  virtual void Destroy() = 0;
+
+  virtual gfx::NativeViewAccessible GetNativeViewAccessible() = 0;
+
+ protected:
+  AXPlatformNode();
+  virtual ~AXPlatformNode();
+};
+
+}  // namespace ui
+
+#endif  // UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_H_