Home | History | Annotate | Download | only in indexeddb 
      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 "modules/IndexedDBNames.h"
     30 
     31 namespace blink {
     32 
     33 IDBVersionChangeEventInit::IDBVersionChangeEventInit()
     34     : oldVersion(0)
     35 {
     36 }
     37 
     38 IDBVersionChangeEvent::IDBVersionChangeEvent()
     39     : m_dataLoss(WebIDBDataLossNone)
     40 {
     41 }
     42 
     43 IDBVersionChangeEvent::IDBVersionChangeEvent(const AtomicString& eventType, unsigned long long oldVersion, const Nullable<unsigned long long>& newVersion, WebIDBDataLoss dataLoss, const String& dataLossMessage)
     44     : Event(eventType, false /*canBubble*/, false /*cancelable*/)
     45     , m_oldVersion(oldVersion)
     46     , m_newVersion(newVersion)
     47     , m_dataLoss(dataLoss)
     48     , m_dataLossMessage(dataLossMessage)
     49 {
     50 }
     51 
     52 IDBVersionChangeEvent::IDBVersionChangeEvent(const AtomicString& eventType, const IDBVersionChangeEventInit& initializer)
     53     : Event(eventType, false /*canBubble*/, false /*cancelable*/)
     54     , m_oldVersion(initializer.oldVersion)
     55     , m_newVersion(initializer.newVersion)
     56     , m_dataLoss(WebIDBDataLossNone)
     57 {
     58     if (initializer.dataLoss.isEmpty() || initializer.dataLoss == "none")
     59         m_dataLoss = WebIDBDataLossNone;
     60     else if (initializer.dataLoss == "total")
     61         m_dataLoss = WebIDBDataLossTotal;
     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     if (m_dataLoss == WebIDBDataLossTotal)
     73         return IndexedDBNames::total;
     74     return IndexedDBNames::none;
     75 }
     76 
     77 const AtomicString& IDBVersionChangeEvent::interfaceName() const
     78 {
     79     return EventNames::IDBVersionChangeEvent;
     80 }
     81 
     82 void IDBVersionChangeEvent::trace(Visitor* visitor)
     83 {
     84     Event::trace(visitor);
     85 }
     86 
     87 } // namespace blink
     88