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44 lines
1.0 KiB
C++
44 lines
1.0 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SKY_ENGINE_CORE_DOM_WEAKNODEMAP_H_
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#define SKY_ENGINE_CORE_DOM_WEAKNODEMAP_H_
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#include "sky/engine/wtf/HashMap.h"
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namespace blink {
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// Oilpan supports weak maps, so we no longer need WeakNodeMap.
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#if !ENABLE(OILPAN)
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class Node;
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class NodeToWeakNodeMaps;
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class WeakNodeMap {
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public:
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~WeakNodeMap();
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void put(Node*, int value);
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int value(Node*);
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Node* node(int value);
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private:
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// FIXME: This should not be friends with Node, we should expose a proper API and not
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// let the map directly set flags.
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friend class Node;
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static void notifyNodeDestroyed(Node*);
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friend class NodeToWeakNodeMaps;
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void nodeDestroyed(Node*);
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typedef HashMap<Node*, int> NodeToValue;
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NodeToValue m_nodeToValue;
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typedef HashMap<int, Node*> ValueToNode;
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ValueToNode m_valueToNode;
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};
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#endif
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}
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#endif // SKY_ENGINE_CORE_DOM_WEAKNODEMAP_H_
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