WebCore/dom/OverflowEvent.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 04 Oct 2010 01:32:07 +0300
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/*
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 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
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 */
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#include "config.h"
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#include "OverflowEvent.h"
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#include "EventNames.h"
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namespace WebCore {
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OverflowEvent::OverflowEvent()
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    : Event(eventNames().overflowchangedEvent, false, false)
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    , m_orient(VERTICAL)
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    , m_horizontalOverflow(false)
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    , m_verticalOverflow(false)
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{
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}
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OverflowEvent::OverflowEvent(bool horizontalOverflowChanged, bool horizontalOverflow, bool verticalOverflowChanged, bool verticalOverflow)
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    : Event(eventNames().overflowchangedEvent, false, false)
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    , m_horizontalOverflow(horizontalOverflow)
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    , m_verticalOverflow(verticalOverflow)
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{
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    ASSERT(horizontalOverflowChanged || verticalOverflowChanged);
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    if (horizontalOverflowChanged && verticalOverflowChanged)
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        m_orient = BOTH;
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    else if (horizontalOverflowChanged)
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        m_orient = HORIZONTAL;
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    else
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        m_orient = VERTICAL;
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}
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bool OverflowEvent::isOverflowEvent() const
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{
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    return true;
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}
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void OverflowEvent::initOverflowEvent(unsigned short orient, bool horizontalOverflow, bool verticalOverflow)
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{
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    if (dispatched())
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        return;
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    m_orient = orient;
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    m_horizontalOverflow = horizontalOverflow;
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    m_verticalOverflow = verticalOverflow;
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}
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}