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35 lines
1.1 KiB
C++
35 lines
1.1 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_INCREMENTLOADEVENTDELAYCOUNT_H_
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#define SKY_ENGINE_CORE_DOM_INCREMENTLOADEVENTDELAYCOUNT_H_
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#include "sky/engine/wtf/Noncopyable.h"
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#include "sky/engine/wtf/PassOwnPtr.h"
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#include "sky/engine/wtf/RefPtr.h"
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namespace blink {
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class Document;
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// A helper class that will increment a document's loadEventDelayCount on
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// contruction and decrement it on destruction (semantics similar to RefPtr).
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class IncrementLoadEventDelayCount {
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WTF_MAKE_NONCOPYABLE(IncrementLoadEventDelayCount);
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public:
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static PassOwnPtr<IncrementLoadEventDelayCount> create(Document&);
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~IncrementLoadEventDelayCount();
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// Increments the new document's count and decrements the old count.
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void documentChanged(Document& newDocument);
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private:
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IncrementLoadEventDelayCount(Document&);
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RefPtr<Document> m_document;
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};
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}
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#endif // SKY_ENGINE_CORE_DOM_INCREMENTLOADEVENTDELAYCOUNT_H_
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