| // Copyright 2014 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. |
| |
| #ifndef SKY_ENGINE_CORE_DOM_WEAKNODEMAP_H_ |
| #define SKY_ENGINE_CORE_DOM_WEAKNODEMAP_H_ |
| |
| #include "sky/engine/wtf/HashMap.h" |
| |
| namespace blink { |
| |
| // Oilpan supports weak maps, so we no longer need WeakNodeMap. |
| #if !ENABLE(OILPAN) |
| class Node; |
| class NodeToWeakNodeMaps; |
| |
| class WeakNodeMap { |
| public: |
| ~WeakNodeMap(); |
| |
| void put(Node*, int value); |
| int value(Node*); |
| Node* node(int value); |
| |
| private: |
| // FIXME: This should not be friends with Node, we should expose a proper API and not |
| // let the map directly set flags. |
| friend class Node; |
| static void notifyNodeDestroyed(Node*); |
| |
| friend class NodeToWeakNodeMaps; |
| void nodeDestroyed(Node*); |
| |
| typedef HashMap<Node*, int> NodeToValue; |
| NodeToValue m_nodeToValue; |
| typedef HashMap<int, Node*> ValueToNode; |
| ValueToNode m_valueToNode; |
| }; |
| #endif |
| |
| } |
| |
| #endif // SKY_ENGINE_CORE_DOM_WEAKNODEMAP_H_ |