1 // Copyright 2014 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_RENDERER_ACCESSIBILITY_BLINK_AX_TREE_SOURCE_H_ 6 #define CONTENT_RENDERER_ACCESSIBILITY_BLINK_AX_TREE_SOURCE_H_ 7 8 #include "third_party/WebKit/public/web/WebAXObject.h" 9 #include "ui/accessibility/ax_node_data.h" 10 #include "ui/accessibility/ax_tree_source.h" 11 12 namespace content { 13 14 class RenderViewImpl; 15 16 class BlinkAXTreeSource 17 : public ui::AXTreeSource<blink::WebAXObject> { 18 public: 19 BlinkAXTreeSource(RenderViewImpl* render_view); 20 virtual ~BlinkAXTreeSource(); 21 22 // Walks up the ancestor chain to see if this is a descendant of the root. 23 bool IsInTree(blink::WebAXObject node) const; 24 25 // AXTreeSource implementation. 26 virtual blink::WebAXObject GetRoot() const OVERRIDE; 27 virtual blink::WebAXObject GetFromId(int32 id) const OVERRIDE; 28 virtual int32 GetId(blink::WebAXObject node) const OVERRIDE; 29 virtual void GetChildren( 30 blink::WebAXObject node, 31 std::vector<blink::WebAXObject>* out_children) const OVERRIDE; 32 virtual blink::WebAXObject GetParent(blink::WebAXObject node) const 33 OVERRIDE; 34 virtual void SerializeNode(blink::WebAXObject node, 35 ui::AXNodeData* out_data) const OVERRIDE; 36 virtual bool IsValid(blink::WebAXObject node) const OVERRIDE; 37 virtual bool IsEqual(blink::WebAXObject node1, 38 blink::WebAXObject node2) const OVERRIDE; 39 virtual blink::WebAXObject GetNull() const OVERRIDE; 40 41 blink::WebDocument GetMainDocument() const; 42 43 private: 44 RenderViewImpl* render_view_; 45 }; 46 47 } // namespace content 48 49 #endif // CONTENT_RENDERER_ACCESSIBILITY_BLINK_AX_TREE_SOURCE_H_ 50
