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83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
/*
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* Copyright (C) 2013 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of Google Inc. nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CustomElementCallbackQueue_h
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#define CustomElementCallbackQueue_h
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#include "core/dom/Element.h"
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#include "core/dom/custom/CustomElementProcessingStep.h"
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#include "platform/heap/Handle.h"
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#include "wtf/OwnPtr.h"
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#include "wtf/PassOwnPtr.h"
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#include "wtf/PassRefPtr.h"
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#include "wtf/RefPtr.h"
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#include "wtf/Vector.h"
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namespace blink {
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// FIXME: Rename this because it contains resolution and upgrade as
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// well as callbacks.
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class CustomElementCallbackQueue : public NoBaseWillBeGarbageCollectedFinalized<CustomElementCallbackQueue> {
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WTF_MAKE_NONCOPYABLE(CustomElementCallbackQueue);
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public:
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static PassOwnPtrWillBeRawPtr<CustomElementCallbackQueue> create(PassRefPtrWillBeRawPtr<Element>);
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typedef int ElementQueueId;
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ElementQueueId owner() const { return m_owner; }
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void setOwner(ElementQueueId newOwner)
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{
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// ElementCallbackQueues only migrate towards the top of the
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// processing stack.
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ASSERT(newOwner >= m_owner);
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m_owner = newOwner;
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}
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bool processInElementQueue(ElementQueueId);
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void append(PassOwnPtr<CustomElementProcessingStep> invocation) { m_queue.append(invocation); }
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bool inCreatedCallback() const { return m_inCreatedCallback; }
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void trace(Visitor*);
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private:
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explicit CustomElementCallbackQueue(PassRefPtrWillBeRawPtr<Element>);
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RefPtrWillBeMember<Element> m_element;
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Vector<OwnPtr<CustomElementProcessingStep> > m_queue;
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ElementQueueId m_owner;
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size_t m_index;
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bool m_inCreatedCallback;
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};
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}
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#endif // CustomElementCallbackQueue_h
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