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// 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 CONTENT_RENDERER_ACCESSIBILITY_BLINK_AX_TREE_SOURCE_H_
#define CONTENT_RENDERER_ACCESSIBILITY_BLINK_AX_TREE_SOURCE_H_
#include "third_party/WebKit/public/web/WebAXObject.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/accessibility/ax_tree_source.h"
namespace content {
class RenderFrameImpl;
class BlinkAXTreeSource
: public ui::AXTreeSource<blink::WebAXObject> {
public:
BlinkAXTreeSource(RenderFrameImpl* render_frame);
virtual ~BlinkAXTreeSource();
// Call this to have BlinkAXTreeSource collect a mapping from
// node ids to the frame routing id for an out-of-process iframe during
// calls to SerializeNode.
void CollectChildFrameIdMapping(
std::map<int32, int>* node_to_frame_routing_id_map,
std::map<int32, int>* node_to_browser_plugin_instance_id_map);
// Walks up the ancestor chain to see if this is a descendant of the root.
bool IsInTree(blink::WebAXObject node) const;
// AXTreeSource implementation.
virtual blink::WebAXObject GetRoot() const OVERRIDE;
virtual blink::WebAXObject GetFromId(int32 id) const OVERRIDE;
virtual int32 GetId(blink::WebAXObject node) const OVERRIDE;
virtual void GetChildren(
blink::WebAXObject node,
std::vector<blink::WebAXObject>* out_children) const OVERRIDE;
virtual blink::WebAXObject GetParent(blink::WebAXObject node) const
OVERRIDE;
virtual void SerializeNode(blink::WebAXObject node,
ui::AXNodeData* out_data) const OVERRIDE;
virtual bool IsValid(blink::WebAXObject node) const OVERRIDE;
virtual bool IsEqual(blink::WebAXObject node1,
blink::WebAXObject node2) const OVERRIDE;
virtual blink::WebAXObject GetNull() const OVERRIDE;
blink::WebDocument GetMainDocument() const;
private:
RenderFrameImpl* render_frame_;
std::map<int32, int>* node_to_frame_routing_id_map_;
std::map<int32, int>* node_to_browser_plugin_instance_id_map_;
};
} // namespace content
#endif // CONTENT_RENDERER_ACCESSIBILITY_BLINK_AX_TREE_SOURCE_H_
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