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      1 /*
      2  * Copyright (C) 2013 Google 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 "config.h"
     27 
     28 #if ENABLE(WEBVTT_REGIONS)
     29 
     30 #include "core/html/track/TextTrackRegionList.h"
     31 
     32 namespace WebCore {
     33 
     34 TextTrackRegionList::TextTrackRegionList()
     35 {
     36 }
     37 
     38 unsigned long TextTrackRegionList::length() const
     39 {
     40     return m_list.size();
     41 }
     42 
     43 TextTrackRegion* TextTrackRegionList::item(unsigned index) const
     44 {
     45     if (index < m_list.size())
     46         return m_list[index].get();
     47 
     48     return 0;
     49 }
     50 
     51 TextTrackRegion* TextTrackRegionList::getRegionById(const String& id) const
     52 {
     53     if (id.isEmpty())
     54         return 0;
     55 
     56     for (size_t i = 0; i < m_list.size(); ++i) {
     57         if (m_list[i]->id() == id)
     58             return m_list[i].get();
     59     }
     60 
     61     return 0;
     62 }
     63 
     64 void TextTrackRegionList::add(PassRefPtr<TextTrackRegion> region)
     65 {
     66     m_list.append(region);
     67 }
     68 
     69 bool TextTrackRegionList::remove(TextTrackRegion* region)
     70 {
     71     size_t index = m_list.find(region);
     72     if (index == notFound)
     73         return false;
     74 
     75     m_list.remove(index);
     76     return true;
     77 }
     78 
     79 void TextTrackRegionList::clear()
     80 {
     81     m_list.clear();
     82 }
     83 
     84 } // namespace WebCore
     85 
     86 #endif
     87