| /* |
| * Copyright 2015 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. |
| */ |
| |
| #ifndef COBALT_DOM_NODE_LIST_LIVE_H_ |
| #define COBALT_DOM_NODE_LIST_LIVE_H_ |
| |
| #include "cobalt/dom/node_list.h" |
| |
| #include "base/memory/ref_counted.h" |
| |
| namespace cobalt { |
| namespace dom { |
| |
| class Node; |
| |
| // A NodeListLive is a live NodeList, which is a collection of nodes. |
| // https://www.w3.org/TR/2015/WD-dom-20150428/#interface-nodelist |
| class NodeListLive : public NodeList { |
| public: |
| // Create a live collection of all first-level child nodes. |
| static scoped_refptr<NodeListLive> CreateWithChildren( |
| const scoped_refptr<const Node>& base); |
| |
| // Web API: NodeList |
| // |
| unsigned int length() OVERRIDE; |
| |
| scoped_refptr<Node> Item(unsigned int item) OVERRIDE; |
| |
| // Custom, not in any spec. |
| // |
| void MaybeRefreshCollection(); |
| |
| private: |
| explicit NodeListLive(const scoped_refptr<const Node>& base); |
| ~NodeListLive() OVERRIDE {} |
| |
| // Base node that was used to generate the collection. |
| const scoped_refptr<const Node> base_; |
| // Generation of the base node that was used to create the cache. |
| uint32_t base_node_generation_; |
| |
| DISALLOW_COPY_AND_ASSIGN(NodeListLive); |
| }; |
| |
| } // namespace dom |
| } // namespace cobalt |
| |
| #endif // COBALT_DOM_NODE_LIST_LIVE_H_ |