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      1 /*
      2  * Copyright (C) 2011 Google 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  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "modules/indexeddb/IDBVersionChangeEvent.h"
     28 
     29 #include "bindings/v8/IDBBindingUtilities.h"
     30 
     31 namespace WebCore {
     32 
     33 
     34 IDBVersionChangeEventInit::IDBVersionChangeEventInit()
     35     : oldVersion(0)
     36 {
     37 }
     38 
     39 IDBVersionChangeEvent::IDBVersionChangeEvent()
     40     : m_dataLoss(blink::WebIDBDataLossNone)
     41 {
     42     ScriptWrappable::init(this);
     43 }
     44 
     45 IDBVersionChangeEvent::IDBVersionChangeEvent(const AtomicString& eventType, unsigned long long oldVersion, const Nullable<unsigned long long>& newVersion, blink::WebIDBDataLoss dataLoss, const String& dataLossMessage)
     46     : Event(eventType, false /*canBubble*/, false /*cancelable*/)
     47     , m_oldVersion(oldVersion)
     48     , m_newVersion(newVersion)
     49     , m_dataLoss(dataLoss)
     50     , m_dataLossMessage(dataLossMessage)
     51 {
     52     ScriptWrappable::init(this);
     53 }
     54 
     55 IDBVersionChangeEvent::IDBVersionChangeEvent(const AtomicString& eventType, const IDBVersionChangeEventInit& initializer)
     56     : Event(eventType, false /*canBubble*/, false /*cancelable*/)
     57     , m_oldVersion(initializer.oldVersion)
     58     , m_newVersion(initializer.newVersion)
     59     , m_dataLoss(blink::WebIDBDataLossNone)
     60 {
     61     ScriptWrappable::init(this);
     62 }
     63 
     64 unsigned long long IDBVersionChangeEvent::newVersion(bool& isNull) const
     65 {
     66     isNull = m_newVersion.isNull();
     67     return isNull ? 0 : m_newVersion.get();
     68 }
     69 
     70 const AtomicString& IDBVersionChangeEvent::dataLoss() const
     71 {
     72     DEFINE_STATIC_LOCAL(AtomicString, total, ("total", AtomicString::ConstructFromLiteral));
     73     if (m_dataLoss == blink::WebIDBDataLossTotal)
     74         return total;
     75     DEFINE_STATIC_LOCAL(AtomicString, none, ("none", AtomicString::ConstructFromLiteral));
     76     return none;
     77 }
     78 
     79 const AtomicString& IDBVersionChangeEvent::interfaceName() const
     80 {
     81     return EventNames::IDBVersionChangeEvent;
     82 }
     83 
     84 void IDBVersionChangeEvent::trace(Visitor* visitor)
     85 {
     86     Event::trace(visitor);
     87 }
     88 
     89 } // namespace WebCore
     90