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      1 /*
      2  * Copyright (C) 2006, 2007 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 COMPUTER, 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 #include "config.h"
     27 #include "core/events/OverflowEvent.h"
     28 
     29 namespace WebCore {
     30 
     31 OverflowEventInit::OverflowEventInit()
     32     : orient(0)
     33     , horizontalOverflow(false)
     34     , verticalOverflow(false)
     35 {
     36 }
     37 
     38 OverflowEvent::OverflowEvent()
     39     : Event(EventTypeNames::overflowchanged, false, false)
     40     , m_orient(VERTICAL)
     41     , m_horizontalOverflow(false)
     42     , m_verticalOverflow(false)
     43 {
     44     ScriptWrappable::init(this);
     45 }
     46 
     47 OverflowEvent::OverflowEvent(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow)
     48     : Event(EventTypeNames::overflowchanged, false, false)
     49     , m_horizontalOverflow(horizontalOverflow)
     50     , m_verticalOverflow(verticalOverflow)
     51 {
     52     ASSERT(horizontalOverflowChanged || verticalOverflowChanged);
     53     ScriptWrappable::init(this);
     54 
     55     if (horizontalOverflowChanged && verticalOverflowChanged)
     56         m_orient = BOTH;
     57     else if (horizontalOverflowChanged)
     58         m_orient = HORIZONTAL;
     59     else
     60         m_orient = VERTICAL;
     61 }
     62 
     63 OverflowEvent::OverflowEvent(const AtomicString& type, const OverflowEventInit& initializer)
     64     : Event(type, initializer)
     65     , m_orient(initializer.orient)
     66     , m_horizontalOverflow(initializer.horizontalOverflow)
     67     , m_verticalOverflow(initializer.verticalOverflow)
     68 {
     69     ScriptWrappable::init(this);
     70 }
     71 
     72 const AtomicString& OverflowEvent::interfaceName() const
     73 {
     74     return EventNames::OverflowEvent;
     75 }
     76 
     77 void OverflowEvent::trace(Visitor* visitor)
     78 {
     79     Event::trace(visitor);
     80 }
     81 
     82 }
     83