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/*
* Copyright (C) 2008 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 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 SMILTime_h
#define SMILTime_h
#if ENABLE(SVG)
#include <algorithm>
namespace WebCore {
class SMILTime {
public:
SMILTime() : m_time(0) { }
SMILTime(double time) : m_time(time) { }
SMILTime(const SMILTime& o) : m_time(o.m_time) { }
static SMILTime unresolved() { return unresolvedValue; }
static SMILTime indefinite() { return indefiniteValue; }
SMILTime& operator=(const SMILTime& o) { m_time = o.m_time; return *this; }
double value() const { return m_time; }
bool isFinite() const { return m_time < indefiniteValue; }
bool isIndefinite() const { return m_time == indefiniteValue; }
bool isUnresolved() const { return m_time == unresolvedValue; }
private:
static const double unresolvedValue;
static const double indefiniteValue;
double m_time;
};
inline bool operator==(const SMILTime& a, const SMILTime& b) { return a.isFinite() && a.value() == b.value(); }
inline bool operator!=(const SMILTime& a, const SMILTime& b) { return !operator==(a, b); }
inline bool operator>(const SMILTime& a, const SMILTime& b) { return a.value() > b.value(); }
inline bool operator<(const SMILTime& a, const SMILTime& b) { return a.value() < b.value(); }
inline bool operator>=(const SMILTime& a, const SMILTime& b) { return a.value() > b.value() || operator==(a, b); }
inline bool operator<=(const SMILTime& a, const SMILTime& b) { return a.value() < b.value() || operator==(a, b); }
SMILTime operator+(const SMILTime&, const SMILTime&);
SMILTime operator-(const SMILTime&, const SMILTime&);
// So multiplying times does not make too much sense but SMIL defines it for duration * repeatCount
SMILTime operator*(const SMILTime&, const SMILTime&);
}
#endif
#endif
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