content/common/ax_content_node_data.h

   1 // Copyright 2015 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_COMMON_AX_CONTENT_NODE_DATA_H_
   6 #define CONTENT_COMMON_AX_CONTENT_NODE_DATA_H_
   7
   8 #include "content/common/content_export.h"
   9 #include "ui/accessibility/ax_node_data.h"
  10
  11 namespace content {
  12
  13 enum AXContentIntAttribute {
  14   // The routing ID of this root node.
  15   AX_CONTENT_ATTR_ROUTING_ID,
  16
  17   // The routing ID of this tree's parent.
  18   AX_CONTENT_ATTR_PARENT_ROUTING_ID,
  19
  20   // The routing ID of this node's child tree.
  21   AX_CONTENT_ATTR_CHILD_ROUTING_ID,
  22
  23   // The browser plugin instance ID of this node's child tree.
  24   AX_CONTENT_ATTR_CHILD_BROWSER_PLUGIN_INSTANCE_ID,
  25
  26   AX_CONTENT_INT_ATTRIBUTE_LAST
  27 };
  28
  29 // A subclass of AXNodeData that contains extra fields for
  30 // content-layer-specific AX attributes.
  31 struct CONTENT_EXPORT AXContentNodeData : public ui::AXNodeData {
  32   AXContentNodeData();
  33   ~AXContentNodeData() override;
  34
  35   bool HasContentIntAttribute(AXContentIntAttribute attribute) const;
  36   int GetContentIntAttribute(AXContentIntAttribute attribute) const;
  37   bool GetContentIntAttribute(AXContentIntAttribute attribute,
  38                               int* value) const;
  39   void AddContentIntAttribute(AXContentIntAttribute attribute, int value);
  40
  41   // Return a string representation of this data, for debugging.
  42   std::string ToString() const override;
  43
  44   // This is a simple serializable struct. All member variables should be
  45   // public and copyable.
  46   std::vector<std::pair<AXContentIntAttribute, int32> > content_int_attributes;
  47 };
  48
  49 }  // namespace content
  50
  51 #endif  // CONTENT_COMMON_AX_CONTENT_NODE_DATA_H_