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/*
* Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ClipRects_h
#define ClipRects_h
#include "core/layout/ClipRect.h"
#include "wtf/RefCounted.h"
namespace blink {
class ClipRects : public RefCounted<ClipRects> {
USING_FAST_MALLOC(ClipRects);
public:
static PassRefPtr<ClipRects> create()
{
return adoptRef(new ClipRects);
}
static PassRefPtr<ClipRects> create(const ClipRects& other)
{
return adoptRef(new ClipRects(other));
}
ClipRects()
: m_fixed(0)
{
}
void reset(const LayoutRect& r)
{
m_overflowClipRect = r;
m_fixedClipRect = r;
m_posClipRect = r;
m_fixed = 0;
}
const ClipRect& overflowClipRect() const { return m_overflowClipRect; }
void setOverflowClipRect(const ClipRect& r) { m_overflowClipRect = r; }
const ClipRect& fixedClipRect() const { return m_fixedClipRect; }
void setFixedClipRect(const ClipRect&r) { m_fixedClipRect = r; }
const ClipRect& posClipRect() const { return m_posClipRect; }
void setPosClipRect(const ClipRect& r) { m_posClipRect = r; }
bool fixed() const { return static_cast<bool>(m_fixed); }
void setFixed(bool fixed) { m_fixed = fixed ? 1 : 0; }
bool operator==(const ClipRects& other) const
{
return m_overflowClipRect == other.overflowClipRect()
&& m_fixedClipRect == other.fixedClipRect()
&& m_posClipRect == other.posClipRect()
&& fixed() == other.fixed();
}
bool operator!=(const ClipRects& other) const { return !(*this == other); }
ClipRects& operator=(const ClipRects& other)
{
m_overflowClipRect = other.overflowClipRect();
m_fixedClipRect = other.fixedClipRect();
m_posClipRect = other.posClipRect();
m_fixed = other.fixed();
return *this;
}
private:
ClipRects(const LayoutRect& r)
: m_overflowClipRect(r)
, m_fixedClipRect(r)
, m_posClipRect(r)
, m_fixed(0)
{
}
ClipRects(const ClipRects& other)
: m_overflowClipRect(other.overflowClipRect())
, m_fixedClipRect(other.fixedClipRect())
, m_posClipRect(other.posClipRect())
, m_fixed(other.fixed())
{
}
ClipRect m_overflowClipRect;
ClipRect m_fixedClipRect;
ClipRect m_posClipRect;
unsigned m_fixed;
};
} // namespace blink
#endif // ClipRects_h
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