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      1 /*
      2  * Copyright (C) 2010 Apple Inc. All rights reserved.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #ifndef HashChangeEvent_h
     22 #define HashChangeEvent_h
     23 
     24 #include "core/events/Event.h"
     25 
     26 namespace blink {
     27 
     28 struct HashChangeEventInit : public EventInit {
     29     HashChangeEventInit() { }
     30 
     31     String oldURL;
     32     String newURL;
     33 };
     34 
     35 class HashChangeEvent FINAL : public Event {
     36     DEFINE_WRAPPERTYPEINFO();
     37 public:
     38     static PassRefPtrWillBeRawPtr<HashChangeEvent> create()
     39     {
     40         return adoptRefWillBeNoop(new HashChangeEvent);
     41     }
     42 
     43     static PassRefPtrWillBeRawPtr<HashChangeEvent> create(const String& oldURL, const String& newURL)
     44     {
     45         return adoptRefWillBeNoop(new HashChangeEvent(oldURL, newURL));
     46     }
     47 
     48     static PassRefPtrWillBeRawPtr<HashChangeEvent> create(const AtomicString& type, const HashChangeEventInit& initializer)
     49     {
     50         return adoptRefWillBeNoop(new HashChangeEvent(type, initializer));
     51     }
     52 
     53     void initHashChangeEvent(const AtomicString& eventType, bool canBubble, bool cancelable, const String& oldURL, const String& newURL)
     54     {
     55         if (dispatched())
     56             return;
     57 
     58         initEvent(eventType, canBubble, cancelable);
     59 
     60         m_oldURL = oldURL;
     61         m_newURL = newURL;
     62     }
     63 
     64     const String& oldURL() const { return m_oldURL; }
     65     const String& newURL() const { return m_newURL; }
     66 
     67     virtual const AtomicString& interfaceName() const OVERRIDE { return EventNames::HashChangeEvent; }
     68 
     69     virtual void trace(Visitor* visitor) OVERRIDE { Event::trace(visitor); }
     70 
     71 private:
     72     HashChangeEvent() { }
     73 
     74     HashChangeEvent(const String& oldURL, const String& newURL)
     75         : Event(EventTypeNames::hashchange, false, false)
     76         , m_oldURL(oldURL)
     77         , m_newURL(newURL) { }
     78 
     79     HashChangeEvent(const AtomicString& type, const HashChangeEventInit& initializer)
     80         : Event(type, initializer)
     81         , m_oldURL(initializer.oldURL)
     82         , m_newURL(initializer.newURL) { }
     83 
     84     String m_oldURL;
     85     String m_newURL;
     86 };
     87 
     88 } // namespace blink
     89 
     90 #endif // HashChangeEvent_h
     91