| /* |
| * Copyright (C) 2010 Google, Inc. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SCRIPT_IGNORE_DESTRUCTIVE_WRITE_COUNT_INCREMENTER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_SCRIPT_IGNORE_DESTRUCTIVE_WRITE_COUNT_INCREMENTER_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| |
| namespace blink { |
| |
| class IgnoreDestructiveWriteCountIncrementer { |
| STACK_ALLOCATED(); |
| |
| public: |
| explicit IgnoreDestructiveWriteCountIncrementer(Document* document) |
| : count_(document ? &document->ignore_destructive_write_count_ |
| : nullptr) { |
| if (!count_) |
| return; |
| ++(*count_); |
| } |
| |
| ~IgnoreDestructiveWriteCountIncrementer() { |
| if (!count_) |
| return; |
| --(*count_); |
| } |
| |
| private: |
| unsigned* count_; |
| DISALLOW_COPY_AND_ASSIGN(IgnoreDestructiveWriteCountIncrementer); |
| }; |
| |
| } // namespace blink |
| |
| #endif |