Use relative bounding boxes throughout Chrome accessibility

ui/accessibility/ax_node_data.cc

 // Copyright 2013 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.
 
 #include "ui/accessibility/ax_node_data.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 42 matching lines @@
   return std::find_if(vector.begin(),
                       vector.end(),
                       FirstIs<FirstType, SecondType>(first));
 }
 
 }  // namespace
 
 AXNodeData::AXNodeData()
     : id(-1),
       role(AX_ROLE_UNKNOWN),
-      state(0xFFFFFFFF) {
+      state(0xFFFFFFFF),
+      offset_container_id(-1) {
 }
 
 AXNodeData::~AXNodeData() {
 }
 
 AXNodeData::AXNodeData(const AXNodeData& other) {
   id = other.id;
   role = other.role;
   state = other.state;
   string_attributes = other.string_attributes;
   int_attributes = other.int_attributes;
   float_attributes = other.float_attributes;
   bool_attributes = other.bool_attributes;
   intlist_attributes = other.intlist_attributes;
   html_attributes = other.html_attributes;
   child_ids = other.child_ids;
   location = other.location;
+  offset_container_id = other.offset_container_id;
   if (other.transform)
     transform.reset(new gfx::Transform(*other.transform));
 }
 
 AXNodeData& AXNodeData::operator=(AXNodeData other) {
   id = other.id;
   role = other.role;
   state = other.state;
   string_attributes = other.string_attributes;
   int_attributes = other.int_attributes;
   float_attributes = other.float_attributes;
   bool_attributes = other.bool_attributes;
   intlist_attributes = other.intlist_attributes;
   html_attributes = other.html_attributes;
   child_ids = other.child_ids;
   location = other.location;
+  offset_container_id = other.offset_container_id;
   if (other.transform)
     transform.reset(new gfx::Transform(*other.transform));
+  else
+    transform.reset(nullptr);
   return *this;
 }
 
 bool AXNodeData::HasBoolAttribute(AXBoolAttribute attribute) const {
   auto iter = FindInVectorOfPairs(attribute, bool_attributes);
   return iter != bool_attributes.end();
 }
 
 bool AXNodeData::GetBoolAttribute(AXBoolAttribute attribute) const {
   bool result;
@@ skipping 227 matching lines @@
   if (state & (1 << AX_STATE_VERTICAL))
     result += " VERTICAL";
   if (state & (1 << AX_STATE_VISITED))
     result += " VISITED";
 
   result += " (" + IntToString(location.x()) + ", " +
                    IntToString(location.y()) + ")-(" +
                    IntToString(location.width()) + ", " +
                    IntToString(location.height()) + ")";
 
+  if (offset_container_id != -1)
+    result += " offset_container_id=" + IntToString(offset_container_id);
+
   if (transform && !transform->IsIdentity())
     result += " transform=" + transform->ToString();
 
   for (size_t i = 0; i < int_attributes.size(); ++i) {
     std::string value = IntToString(int_attributes[i].second);
     switch (int_attributes[i].first) {
       case AX_ATTR_SCROLL_X:
         result += " scroll_x=" + value;
         break;
       case AX_ATTR_SCROLL_X_MIN:
@@ skipping 382 matching lines @@
     }
   }
 
   if (!child_ids.empty())
     result += " child_ids=" + IntVectorToString(child_ids);
 
   return result;
 }
 
 }  // namespace ui