| /* |
| * 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 |