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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "modules/mediasource/SourceBufferList.h" 33 34 #include "core/events/GenericEventQueue.h" 35 #include "modules/EventModules.h" 36 #include "modules/mediasource/SourceBuffer.h" 37 38 namespace blink { 39 40 SourceBufferList::SourceBufferList(ExecutionContext* context, GenericEventQueue* asyncEventQueue) 41 : m_executionContext(context) 42 , m_asyncEventQueue(asyncEventQueue) 43 { 44 } 45 46 SourceBufferList::~SourceBufferList() 47 { 48 #if !ENABLE(OILPAN) 49 ASSERT(m_list.isEmpty()); 50 #endif 51 } 52 53 void SourceBufferList::add(SourceBuffer* buffer) 54 { 55 m_list.append(buffer); 56 scheduleEvent(EventTypeNames::addsourcebuffer); 57 } 58 59 void SourceBufferList::insert(size_t position, SourceBuffer* buffer) 60 { 61 m_list.insert(position, buffer); 62 scheduleEvent(EventTypeNames::addsourcebuffer); 63 } 64 65 void SourceBufferList::remove(SourceBuffer* buffer) 66 { 67 size_t index = m_list.find(buffer); 68 if (index == kNotFound) 69 return; 70 m_list.remove(index); 71 scheduleEvent(EventTypeNames::removesourcebuffer); 72 } 73 74 void SourceBufferList::clear() 75 { 76 m_list.clear(); 77 scheduleEvent(EventTypeNames::removesourcebuffer); 78 } 79 80 void SourceBufferList::scheduleEvent(const AtomicString& eventName) 81 { 82 ASSERT(m_asyncEventQueue); 83 84 RefPtrWillBeRawPtr<Event> event = Event::create(eventName); 85 event->setTarget(this); 86 87 m_asyncEventQueue->enqueueEvent(event.release()); 88 } 89 90 const AtomicString& SourceBufferList::interfaceName() const 91 { 92 return EventTargetNames::SourceBufferList; 93 } 94 95 ExecutionContext* SourceBufferList::executionContext() const 96 { 97 return m_executionContext; 98 } 99 100 void SourceBufferList::trace(Visitor* visitor) 101 { 102 visitor->trace(m_list); 103 EventTargetWithInlineData::trace(visitor); 104 } 105 106 } // namespace blink 107