MacViews: Accessibility bridge

ui/accessibility/platform/ax_platform_node_base.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_BASE_H_
+#define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_BASE_H_
+
+#include "ui/accessibility/ax_enums.h"
+#include "ui/accessibility/platform/ax_platform_node.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace ui {
+
+class AXPlatformNodeDelegate;
+
+class AXPlatformNodeBase : public AXPlatformNode {
+ public:
+   virtual void Init(AXPlatformNodeDelegate* delegate);
+
+  // These are simple wrappers to our delegate.
+  AXRole GetRole() const;
+  gfx::Rect GetBoundsInScreen() const;
+  gfx::NativeViewAccessible GetParent();
+  int GetChildCount();
+  gfx::NativeViewAccessible ChildAtIndex(int index);
+
+  // AXPlatformNode
+  virtual void Destroy() OVERRIDE;
+  virtual gfx::NativeViewAccessible GetNativeViewAccessible() OVERRIDE;
+
+ protected:
+  AXPlatformNodeBase();
+  virtual ~AXPlatformNodeBase();
+
+  AXPlatformNodeDelegate* delegate_;  // Weak. Owns this.
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AXPlatformNodeBase);
+};
+
+}  // namespace ui
+
+#endif  // UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_BASE_H_