| // 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 IncrementLoadEventDelayCount_h |
| #define IncrementLoadEventDelayCount_h |
| |
| #include "platform/heap/Handle.h" |
| #include "wtf/Allocator.h" |
| #include "wtf/Noncopyable.h" |
| #include <memory> |
| |
| namespace blink { |
| |
| class Document; |
| |
| // A helper class that will increment a document's loadEventDelayCount on |
| // contruction and decrement it on destruction (semantics similar to RefPtr). |
| class IncrementLoadEventDelayCount { |
| USING_FAST_MALLOC(IncrementLoadEventDelayCount); |
| WTF_MAKE_NONCOPYABLE(IncrementLoadEventDelayCount); |
| |
| public: |
| static std::unique_ptr<IncrementLoadEventDelayCount> create(Document&); |
| ~IncrementLoadEventDelayCount(); |
| |
| // Increments the new document's count and decrements the old count. |
| void documentChanged(Document& newDocument); |
| |
| private: |
| IncrementLoadEventDelayCount(Document&); |
| Persistent<Document> m_document; |
| }; |
| } // namespace blink |
| |
| #endif |