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// Copyright 2016 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 CONTENT_PUBLIC_RENDERER_RENDER_ACCESSIBILITY_H_
#define CONTENT_PUBLIC_RENDERER_RENDER_ACCESSIBILITY_H_
#include "content/common/content_export.h"
#include "ui/accessibility/ax_node.h"
#include "ui/accessibility/ax_tree_data.h"
#include "ui/accessibility/ax_tree_source.h"
namespace content {
// This interface exposes the accessibility tree for one RenderFrame.
class CONTENT_EXPORT RenderAccessibility {
public:
virtual int GenerateAXID() = 0;
// These APIs allow a page with a single EMBED element to graft an
// accessibility tree for the plugin content, implemented as an AXTreeSource,
// into the page's accessibility tree.
using PluginAXTreeSource =
ui::AXTreeSource<const ui::AXNode*, ui::AXNodeData, ui::AXTreeData>;
virtual void SetPluginTreeSource(PluginAXTreeSource* source) = 0;
virtual void OnPluginRootNodeUpdated() = 0;
protected:
~RenderAccessibility() {}
private:
// This interface should only be implemented inside content.
friend class RenderAccessibilityImpl;
RenderAccessibility() {}
};
} // namespace content
#endif // CONTENT_PUBLIC_RENDERER_RENDER_ACCESSIBILITY_H_
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