1/* 2 * Copyright (C) 2007, 2009 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 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 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 TimeRanges_h 27#define TimeRanges_h 28 29#include "PlatformTimeRanges.h" 30#include <algorithm> 31#include <wtf/PassRefPtr.h> 32#include <wtf/RefCounted.h> 33#include <wtf/Vector.h> 34 35namespace WebCore { 36 37typedef int ExceptionCode; 38 39class TimeRanges : public RefCounted<TimeRanges> { 40public: 41 static PassRefPtr<TimeRanges> create(); 42 static PassRefPtr<TimeRanges> create(double start, double end); 43 static PassRefPtr<TimeRanges> create(const PlatformTimeRanges&); 44 45 double start(unsigned index, ExceptionCode&) const; 46 double end(unsigned index, ExceptionCode&) const; 47 48 PassRefPtr<TimeRanges> copy() const; 49 void invert(); 50 void intersectWith(const TimeRanges&); 51 void unionWith(const TimeRanges&); 52 53 unsigned length() const; 54 55 void add(double start, double end); 56 bool contain(double time) const; 57 58 size_t find(double time) const; 59 double nearest(double time) const; 60 double totalDuration() const; 61 62 const PlatformTimeRanges& ranges() const { return m_ranges; } 63 64private: 65 explicit TimeRanges(); 66 TimeRanges(double start, double end); 67 TimeRanges(const PlatformTimeRanges&); 68 69 70 PlatformTimeRanges m_ranges; 71}; 72 73} // namespace WebCore 74 75#endif 76