1 // Copyright 2016 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_PUBLIC_RENDERER_RENDER_ACCESSIBILITY_H_
6 #define CONTENT_PUBLIC_RENDERER_RENDER_ACCESSIBILITY_H_
7 
8 #include "content/common/content_export.h"
9 #include "ui/accessibility/ax_node.h"
10 #include "ui/accessibility/ax_tree_data.h"
11 #include "ui/accessibility/ax_tree_source.h"
12 
13 namespace content {
14 
15 // This interface exposes the accessibility tree for one RenderFrame.
16 class CONTENT_EXPORT RenderAccessibility {
17  public:
18   virtual int GenerateAXID() = 0;
19 
20   // These APIs allow a page with a single EMBED element to graft an
21   // accessibility tree for the plugin content, implemented as a
22   // PluginAXTreeSource, into the page's accessibility tree.
23   virtual void SetPluginTreeSource(PluginAXTreeSource* source) = 0;
24   virtual void OnPluginRootNodeUpdated() = 0;
25 
26  protected:
~RenderAccessibility()27   ~RenderAccessibility() {}
28 
29  private:
30   // This interface should only be implemented inside content.
31   friend class RenderAccessibilityImpl;
RenderAccessibility()32   RenderAccessibility() {}
33 };
34 
35 }  // namespace content
36 
37 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_ACCESSIBILITY_H_
38