khtml/html/TimeRanges.cpp

   1 /*
   2  * Copyright (C) 2007 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 COMPUTER, 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 COMPUTER, 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 #include "TimeRanges.h"
  27
  28 using namespace khtml;
  29 using namespace DOM;
  30
  31 TimeRanges::TimeRanges(float start, float end)
  32     : RefCounted<TimeRanges>(0)
  33 {
  34     add(start, end);
  35 }
  36
  37 float TimeRanges::start(unsigned index, ExceptionCode& ec) const
  38 {
  39     if (index >= length()) {
  40         ec = DOMException::INDEX_SIZE_ERR;
  41         return 0;
  42     }
  43     return m_ranges[index].m_start;
  44 }
  45
  46 float TimeRanges::end(unsigned index, ExceptionCode& ec) const
  47 {
  48     if (index >= length()) {
  49         ec = DOMException::INDEX_SIZE_ERR;
  50         return 0;
  51     }
  52     return m_ranges[index].m_end;
  53 }
  54
  55 void TimeRanges::add(float start, float end)
  56 {
  57     m_ranges.append(Range(start, end));
  58     // FIXME normalize
  59 }
  60
  61 bool TimeRanges::contain(float time) const
  62 {
  63     ExceptionCode unused;
  64     for (unsigned n = 0; n < length(); n++) {
  65         if (time >= start(n, unused) && time <= end(n, unused))
  66             return true;
  67     }
  68     return false;
  69 }