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Diffstat (limited to 'WebCore/bindings/js/JSCallbackData.h')
-rw-r--r-- | WebCore/bindings/js/JSCallbackData.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/WebCore/bindings/js/JSCallbackData.h b/WebCore/bindings/js/JSCallbackData.h deleted file mode 100644 index f7b8bfe..0000000 --- a/WebCore/bindings/js/JSCallbackData.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (C) 2007, 2008, 2009 Apple 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. - * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 APPLE OR ITS 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 JSCallbackData_h -#define JSCallbackData_h - -#include "JSDOMBinding.h" -#include "JSDOMGlobalObject.h" -#include "ScriptExecutionContext.h" -#include <runtime/JSObject.h> -#include <runtime/Protect.h> -#include <wtf/Threading.h> - -namespace WebCore { - -// We have to clean up this data on the context thread because unprotecting a -// JSObject on the wrong thread without synchronization would corrupt the heap -// (and synchronization would be slow). - -class JSCallbackData { -public: - static void deleteData(void*); - - JSCallbackData(JSC::JSObject* callback, JSDOMGlobalObject* globalObject) - : m_callback(callback) - , m_globalObject(globalObject) -#ifndef NDEBUG - , m_thread(currentThread()) -#endif - { - } - - ~JSCallbackData() - { - ASSERT(m_thread == currentThread()); - } - - JSC::JSObject* callback() { return m_callback.get(); } - JSDOMGlobalObject* globalObject() { return m_globalObject.get(); } - - JSC::JSValue invokeCallback(JSC::MarkedArgumentBuffer&, bool* raisedException = 0); - -private: - JSC::ProtectedPtr<JSC::JSObject> m_callback; - JSC::ProtectedPtr<JSDOMGlobalObject> m_globalObject; -#ifndef NDEBUG - ThreadIdentifier m_thread; -#endif -}; - -class DeleteCallbackDataTask : public ScriptExecutionContext::Task { -public: - static PassOwnPtr<DeleteCallbackDataTask> create(JSCallbackData* data) - { - return new DeleteCallbackDataTask(data); - } - - virtual void performTask(ScriptExecutionContext*) - { - delete m_data; - } - virtual bool isCleanupTask() const { return true; } -private: - - DeleteCallbackDataTask(JSCallbackData* data) : m_data(data) {} - - JSCallbackData* m_data; -}; - -} // namespace WebCore - -#endif // JSCallbackData_h |