/* * Copyright (C) 2013 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "SourceBufferList.h" #if ENABLE(MEDIA_SOURCE) #include "Event.h" #include "SourceBuffer.h" namespace WebCore { SourceBufferList::SourceBufferList(ScriptExecutionContext* context) : m_scriptExecutionContext(context) , m_asyncEventQueue(*this) { } SourceBufferList::~SourceBufferList() { ASSERT(m_list.isEmpty()); } void SourceBufferList::add(PassRefPtr<SourceBuffer> buffer) { m_list.append(buffer); scheduleEvent(eventNames().addsourcebufferEvent); } void SourceBufferList::remove(SourceBuffer* buffer) { size_t index = m_list.find(buffer); if (index == notFound) return; m_list.remove(index); scheduleEvent(eventNames().removesourcebufferEvent); } void SourceBufferList::clear() { m_list.clear(); scheduleEvent(eventNames().removesourcebufferEvent); } void SourceBufferList::swap(Vector<RefPtr<SourceBuffer>>& other) { int changeInSize = other.size() - m_list.size(); int addedEntries = 0; for (auto& sourceBuffer : other) { if (!m_list.contains(sourceBuffer)) ++addedEntries; } int removedEntries = addedEntries - changeInSize; m_list.swap(other); if (addedEntries) scheduleEvent(eventNames().addsourcebufferEvent); if (removedEntries) scheduleEvent(eventNames().removesourcebufferEvent); } void SourceBufferList::scheduleEvent(const AtomicString& eventName) { RefPtr<Event> event = Event::create(eventName, false, false); event->setTarget(this); m_asyncEventQueue.enqueueEvent(event.release()); } } // namespace WebCore #endif