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// Copyright 2017 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/dom/mutation_record.h"
#include "cobalt/dom/node.h"
#include "cobalt/dom/node_list.h"
namespace cobalt {
namespace dom {
scoped_refptr<MutationRecord> MutationRecord::CreateAttributeMutationRecord(
const scoped_refptr<Node>& target, const std::string& attribute_name,
const base::optional<std::string>& old_value) {
scoped_refptr<MutationRecord> record =
new MutationRecord(base::Tokens::attributes(), target);
record->attribute_name_ = attribute_name;
record->old_value_ = old_value;
return record;
}
scoped_refptr<MutationRecord> MutationRecord::CreateCharacterDataMutationRecord(
const scoped_refptr<Node>& target,
const base::optional<std::string>& old_character_data) {
scoped_refptr<MutationRecord> record =
new MutationRecord(base::Tokens::characterData(), target);
record->old_value_ = old_character_data;
return record;
}
scoped_refptr<MutationRecord> MutationRecord::CreateChildListMutationRecord(
const scoped_refptr<Node>& target,
const scoped_refptr<dom::NodeList>& added_nodes,
const scoped_refptr<dom::NodeList>& removed_nodes,
const scoped_refptr<dom::Node>& previous_sibling,
const scoped_refptr<dom::Node>& next_sibling) {
scoped_refptr<MutationRecord> record =
new MutationRecord(base::Tokens::childList(), target);
if (added_nodes) {
record->added_nodes_ = added_nodes;
}
if (removed_nodes) {
record->removed_nodes_ = removed_nodes;
}
record->previous_sibling_ = previous_sibling;
record->next_sibling_ = next_sibling;
return record;
}
void MutationRecord::TraceMembers(script::Tracer* tracer) {
tracer->Trace(target_);
tracer->Trace(added_nodes_);
tracer->Trace(removed_nodes_);
tracer->Trace(previous_sibling_);
tracer->Trace(next_sibling_);
}
MutationRecord::MutationRecord(const base::Token& type,
const scoped_refptr<Node>& target)
: type_(type),
target_(target),
added_nodes_(new NodeList()),
removed_nodes_(new NodeList()) {}
MutationRecord::~MutationRecord() {}
} // namespace dom
} // namespace cobalt