Home | History | Annotate | Download | only in events 
      1 /*
      2  * Copyright (C) 2006, 2007, 2008 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 #ifndef OverflowEvent_h
     27 #define OverflowEvent_h
     28 
     29 #include "core/events/Event.h"
     30 
     31 namespace blink {
     32 
     33 struct OverflowEventInit : public EventInit {
     34     OverflowEventInit();
     35 
     36     unsigned short orient;
     37     bool horizontalOverflow;
     38     bool verticalOverflow;
     39 };
     40 
     41 class OverflowEvent FINAL : public Event {
     42     DEFINE_WRAPPERTYPEINFO();
     43 public:
     44     enum orientType {
     45         HORIZONTAL = 0,
     46         VERTICAL   = 1,
     47         BOTH       = 2
     48     };
     49 
     50     static PassRefPtrWillBeRawPtr<OverflowEvent> create()
     51     {
     52         return adoptRefWillBeNoop(new OverflowEvent);
     53     }
     54     static PassRefPtrWillBeRawPtr<OverflowEvent> create(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow)
     55     {
     56         return adoptRefWillBeNoop(new OverflowEvent(horizontalOverflowChanged, horizontalOverflow, verticalOverflowChanged, verticalOverflow));
     57     }
     58     static PassRefPtrWillBeRawPtr<OverflowEvent> create(const AtomicString& type, const OverflowEventInit& initializer)
     59     {
     60         return adoptRefWillBeNoop(new OverflowEvent(type, initializer));
     61     }
     62 
     63     unsigned short orient() const { return m_orient; }
     64     bool horizontalOverflow() const { return m_horizontalOverflow; }
     65     bool verticalOverflow() const { return m_verticalOverflow; }
     66 
     67     virtual const AtomicString& interfaceName() const OVERRIDE;
     68 
     69     virtual void trace(Visitor*) OVERRIDE;
     70 
     71 private:
     72     OverflowEvent();
     73     OverflowEvent(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow);
     74     OverflowEvent(const AtomicString&, const OverflowEventInit&);
     75 
     76     unsigned short m_orient;
     77     bool m_horizontalOverflow;
     78     bool m_verticalOverflow;
     79 };
     80 
     81 } // namespace blink
     82 
     83 #endif // OverflowEvent_h
     84