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| 1 /* | |
| 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 * | |
| 25 */ | |
| 26 | |
| 27 #include "config.h" | |
| 28 #include "core/dom/ContextDestructionObserver.h" | |
| 29 | |
| 30 #include "core/dom/ScriptExecutionContext.h" | |
| 31 | |
| 32 namespace WebCore { | |
| 33 | |
| 34 ContextDestructionObserver::ContextDestructionObserver(ScriptExecutionContext* s
criptExecutionContext, Type type) | |
| 35 : m_scriptExecutionContext(0) | |
| 36 { | |
| 37 observeContext(scriptExecutionContext, type); | |
| 38 } | |
| 39 | |
| 40 ContextDestructionObserver::~ContextDestructionObserver() | |
| 41 { | |
| 42 if (m_scriptExecutionContext) | |
| 43 observeContext(0, GenericType); | |
| 44 } | |
| 45 | |
| 46 void ContextDestructionObserver::observeContext(ScriptExecutionContext* scriptEx
ecutionContext, Type as) | |
| 47 { | |
| 48 if (m_scriptExecutionContext) { | |
| 49 ASSERT(m_scriptExecutionContext->isContextThread()); | |
| 50 m_scriptExecutionContext->wasUnobservedBy(this, as); | |
| 51 } | |
| 52 | |
| 53 m_scriptExecutionContext = scriptExecutionContext; | |
| 54 | |
| 55 if (m_scriptExecutionContext) { | |
| 56 ASSERT(m_scriptExecutionContext->isContextThread()); | |
| 57 m_scriptExecutionContext->wasObservedBy(this, as); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 void ContextDestructionObserver::contextDestroyed() | |
| 62 { | |
| 63 m_scriptExecutionContext = 0; | |
| 64 } | |
| 65 | |
| 66 } // namespace WebCore | |
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Chromium Code Reviews
Issue 17351003:
Rename ContextDestructionObserver to ContextLifecycleObserver (Closed)
Base URL: svn://svn.chromium.org/blink/trunk