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a/Source/WebCore/Modules/mediasource/SourceBufferList.cpp_sec1
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/* |
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* Copyright (C) 2012 Google Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "config.h" |
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#include "SourceBufferList.h" |
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#if ENABLE(MEDIA_SOURCE) |
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#include "Event.h" |
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namespace WebCore { |
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SourceBufferList::SourceBufferList(ScriptExecutionContext* context) |
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: m_scriptExecutionContext(context) |
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{ |
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} |
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unsigned long SourceBufferList::length() const |
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{ |
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return m_list.size(); |
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} |
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SourceBuffer* SourceBufferList::item(unsigned index) const |
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{ |
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if (index >= m_list.size()) |
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return 0; |
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return m_list[index].get(); |
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} |
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void SourceBufferList::add(PassRefPtr<SourceBuffer> buffer) |
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{ |
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m_list.append(buffer); |
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createAndFireEvent(eventNames().webkitaddsourcebufferEvent); |
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} |
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bool SourceBufferList::remove(SourceBuffer* buffer) |
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{ |
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size_t index = m_list.find(buffer); |
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if (index == notFound) |
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return false; |
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m_list.remove(index); |
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buffer->clear(); |
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createAndFireEvent(eventNames().webkitremovesourcebufferEvent); |
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return true; |
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} |
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void SourceBufferList::clear() |
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{ |
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for (size_t i = 0; i < m_list.size(); ++i) |
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remove(m_list[i].get()); |
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} |
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void SourceBufferList::createAndFireEvent(const AtomicString& eventName) |
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{ |
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RefPtr<Event> event = Event::create(eventName, false, false); |
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event->setTarget(this); |
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EventTarget::dispatchEvent(event); |
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} |
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const AtomicString& SourceBufferList::interfaceName() const |
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{ |
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return eventNames().interfaceForSourceBufferList; |
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} |
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ScriptExecutionContext* SourceBufferList::scriptExecutionContext() const |
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{ |
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return m_scriptExecutionContext; |
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} |
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EventTargetData* SourceBufferList::eventTargetData() |
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{ |
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return &m_eventTargetData; |
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} |
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EventTargetData* SourceBufferList::ensureEventTargetData() |
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{ |
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return &m_eventTargetData; |
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} |
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} // namespace WebCore |
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#endif |