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      1 /*
      2  * Copyright (C) 2009 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, 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/events/PopStateEvent.h"
     29 
     30 #include "bindings/core/v8/SerializedScriptValue.h"
     31 #include "core/frame/History.h"
     32 
     33 namespace blink {
     34 
     35 PopStateEvent::PopStateEvent()
     36     : Event(EventTypeNames::popstate, false, true)
     37     , m_serializedState(nullptr)
     38     , m_history(nullptr)
     39 {
     40 }
     41 
     42 PopStateEvent::PopStateEvent(const AtomicString& type, const PopStateEventInit& initializer)
     43     : Event(type, initializer)
     44     , m_history(nullptr)
     45 {
     46 }
     47 
     48 PopStateEvent::PopStateEvent(PassRefPtr<SerializedScriptValue> serializedState, PassRefPtrWillBeRawPtr<History> history)
     49     : Event(EventTypeNames::popstate, false, true)
     50     , m_serializedState(serializedState)
     51     , m_history(history)
     52 {
     53 }
     54 
     55 PopStateEvent::~PopStateEvent()
     56 {
     57 }
     58 
     59 PassRefPtrWillBeRawPtr<PopStateEvent> PopStateEvent::create()
     60 {
     61     return adoptRefWillBeNoop(new PopStateEvent);
     62 }
     63 
     64 PassRefPtrWillBeRawPtr<PopStateEvent> PopStateEvent::create(PassRefPtr<SerializedScriptValue> serializedState, PassRefPtrWillBeRawPtr<History> history)
     65 {
     66     return adoptRefWillBeNoop(new PopStateEvent(serializedState, history));
     67 }
     68 
     69 PassRefPtrWillBeRawPtr<PopStateEvent> PopStateEvent::create(const AtomicString& type, const PopStateEventInit& initializer)
     70 {
     71     return adoptRefWillBeNoop(new PopStateEvent(type, initializer));
     72 }
     73 
     74 const AtomicString& PopStateEvent::interfaceName() const
     75 {
     76     return EventNames::PopStateEvent;
     77 }
     78 
     79 void PopStateEvent::trace(Visitor* visitor)
     80 {
     81     visitor->trace(m_history);
     82     Event::trace(visitor);
     83 }
     84 
     85 } // namespace blink
     86