Add custom action support

ui/accessibility/ax_node_data.cc

Index: ui/accessibility/ax_node_data.cc
diff --git a/ui/accessibility/ax_node_data.cc b/ui/accessibility/ax_node_data.cc
index 35955d2dcef02b1d60424d38fd15b415ff251080..eedfdd982913d7158f5738022b0b44f64aad3118 100644
--- a/ui/accessibility/ax_node_data.cc
+++ b/ui/accessibility/ax_node_data.cc
@@ -62,6 +62,16 @@ std::string IntVectorToString(const std::vector<int>& items) {
   return str;
 }
 
+std::string StringVectorToString(const std::vector<std::string>& items) {
+  std::string str;
+  for (size_t i = 0; i < items.size(); ++i) {
+    if (i > 0)
+      str += ",";
+    str += items[i];
+  }
+  return str;
+}
+
 // Predicate that returns true if the first value of a pair is |first|.
 template<typename FirstType, typename SecondType>
 struct FirstIs {
@@ -178,6 +188,7 @@ bool IsNodeIdIntListAttribute(AXIntListAttribute attr) {
     case AX_ATTR_CACHED_LINE_STARTS:
     case AX_ATTR_WORD_STARTS:
     case AX_ATTR_WORD_ENDS:
+    case AX_ATTR_CUSTOM_ACTION_IDS:
       return false;
   }
 
@@ -205,6 +216,7 @@ AXNodeData::AXNodeData(const AXNodeData& other) {
   float_attributes = other.float_attributes;
   bool_attributes = other.bool_attributes;
   intlist_attributes = other.intlist_attributes;
+  stringlist_attributes = other.stringlist_attributes;
   html_attributes = other.html_attributes;
   child_ids = other.child_ids;
   location = other.location;
@@ -223,6 +235,7 @@ AXNodeData& AXNodeData::operator=(AXNodeData other) {
   float_attributes = other.float_attributes;
   bool_attributes = other.bool_attributes;
   intlist_attributes = other.intlist_attributes;
+  stringlist_attributes = other.stringlist_attributes;
   html_attributes = other.html_attributes;
   child_ids = other.child_ids;
   location = other.location;
@@ -369,6 +382,31 @@ bool AXNodeData::GetIntListAttribute(AXIntListAttribute attribute,
   return false;
 }
 
+bool AXNodeData::HasStringListAttribute(AXStringListAttribute attribute) const {
+  auto iter = FindInVectorOfPairs(attribute, stringlist_attributes);
+  return iter != stringlist_attributes.end();
+}
+
+const std::vector<std::string>& AXNodeData::GetStringListAttribute(
+    AXStringListAttribute attribute) const {
+  CR_DEFINE_STATIC_LOCAL(std::vector<std::string>, empty_vector, ());
+  auto iter = FindInVectorOfPairs(attribute, stringlist_attributes);
+  if (iter != stringlist_attributes.end())
+    return iter->second;
+  return empty_vector;
+}
+
+bool AXNodeData::GetStringListAttribute(AXStringListAttribute attribute,
+                                        std::vector<std::string>* value) const {
+  auto iter = FindInVectorOfPairs(attribute, stringlist_attributes);
+  if (iter != stringlist_attributes.end()) {
+    *value = iter->second;
+    return true;
+  }
+
+  return false;
+}
+
 bool AXNodeData::GetHtmlAttribute(
     const char* html_attr, std::string* value) const {
   for (size_t i = 0; i < html_attributes.size(); ++i) {
@@ -416,6 +454,11 @@ void AXNodeData::AddIntListAttribute(AXIntListAttribute attribute,
   intlist_attributes.push_back(std::make_pair(attribute, value));
 }
 
+void AXNodeData::AddStringListAttribute(AXStringListAttribute attribute,
+                                        const std::vector<std::string>& value) {
+  stringlist_attributes.push_back(std::make_pair(attribute, value));
+}
+
 void AXNodeData::SetName(const std::string& name) {
   for (size_t i = 0; i < string_attributes.size(); ++i) {
     if (string_attributes[i].first == AX_ATTR_NAME) {
@@ -475,6 +518,7 @@ void AXNodeData::AddAction(AXAction action_enum) {
           (action_enum == AX_ACTION_BLUR) ? AX_ACTION_FOCUS : AX_ACTION_BLUR;
       DCHECK(HasAction(excluded_action));
     } break;
+    case AX_ACTION_CUSTOM_ACTION:
     case AX_ACTION_DECREMENT:
     case AX_ACTION_DO_DEFAULT:
     case AX_ACTION_GET_IMAGE_DATA:
@@ -958,11 +1002,26 @@ std::string AXNodeData::ToString() const {
       case AX_ATTR_WORD_ENDS:
         result += " word_ends=" + IntVectorToString(values);
         break;
+      case AX_ATTR_CUSTOM_ACTION_IDS:
+        result += " custom_action_ids=" + IntVectorToString(values);
+        break;
       case AX_INT_LIST_ATTRIBUTE_NONE:
         break;
     }
   }
 
+  for (size_t i = 0; i < stringlist_attributes.size(); ++i) {
+    const std::vector<std::string>& values = stringlist_attributes[i].second;
+    switch (stringlist_attributes[i].first) {
+      case AX_ATTR_CUSTOM_ACTION_DESCRIPTIONS:
+        result +=
+            " custom_action_descriptions: " + StringVectorToString(values);
+        break;
+      case AX_STRING_LIST_ATTRIBUTE_NONE:
+        break;
+    }
+  }
+
   result += " actions=" + ActionsBitfieldToString(actions);
 
   if (!child_ids.empty())