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#include "core/html/track/vtt/VTTRegionList.h" 28 29namespace WebCore { 30 31VTTRegionList::VTTRegionList() 32{ 33} 34 35unsigned long VTTRegionList::length() const 36{ 37 return m_list.size(); 38} 39 40VTTRegion* VTTRegionList::item(unsigned index) const 41{ 42 if (index < m_list.size()) 43 return m_list[index].get(); 44 45 return 0; 46} 47 48VTTRegion* VTTRegionList::getRegionById(const String& id) const 49{ 50 if (id.isEmpty()) 51 return 0; 52 53 for (size_t i = 0; i < m_list.size(); ++i) { 54 if (m_list[i]->id() == id) 55 return m_list[i].get(); 56 } 57 58 return 0; 59} 60 61void VTTRegionList::add(PassRefPtrWillBeRawPtr<VTTRegion> region) 62{ 63 m_list.append(region); 64} 65 66bool VTTRegionList::remove(VTTRegion* region) 67{ 68 size_t index = m_list.find(region); 69 if (index == kNotFound) 70 return false; 71 72 m_list.remove(index); 73 return true; 74} 75 76void VTTRegionList::trace(Visitor* visitor) 77{ 78 visitor->trace(m_list); 79} 80 81} // namespace WebCore 82