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0001 /*
0002  * Copyright (C) 2007 Apple Inc. All rights reserved.
0003  *
0004  * Redistribution and use in source and binary forms, with or without
0005  * modification, are permitted provided that the following conditions
0006  * are met:
0007  * 1. Redistributions of source code must retain the above copyright
0008  *    notice, this list of conditions and the following disclaimer.
0009  * 2. Redistributions in binary form must reproduce the above copyright
0010  *    notice, this list of conditions and the following disclaimer in the
0011  *    documentation and/or other materials provided with the distribution.
0012  *
0013  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
0014  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0015  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
0016  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
0017  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
0018  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
0019  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
0020  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
0021  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0022  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
0023  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0024  */
0025 
0026 #ifndef TimeRanges_h
0027 #define TimeRanges_h
0028 
0029 #include "ExceptionCode.h"
0030 #include <wtf/RefCounted.h>
0031 #include <wtf/Vector.h>
0032 
0033 namespace khtml
0034 {
0035 
0036 class TimeRanges : public RefCounted<TimeRanges>
0037 {
0038 public:
0039     TimeRanges() : RefCounted<TimeRanges>(0) { }
0040     TimeRanges(float start, float end);
0041 
0042     unsigned length() const
0043     {
0044         return m_ranges.size();
0045     }
0046     float start(unsigned index, ExceptionCode &) const;
0047     float end(unsigned index, ExceptionCode &) const;
0048 
0049     void add(float start, float end);
0050 
0051     bool contain(float time) const;
0052 
0053 private:
0054     struct Range {
0055         Range() { }
0056         Range(float start, float end)
0057         {
0058             m_start = start;
0059             m_end = end;
0060         }
0061         float m_start;
0062         float m_end;
0063     };
0064 
0065     Vector<Range> m_ranges;
0066 };
0067 
0068 } // namespace khtml
0069 
0070 #endif