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/*
* 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 "EventNames.h"
#include "SourceBuffer.h"
#include "WebCoreOpaqueRoot.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SourceBufferList);
Ref<SourceBufferList> SourceBufferList::create(ScriptExecutionContext* context)
{
auto result = adoptRef(*new SourceBufferList(context));
result->suspendIfNeeded();
return result;
}
SourceBufferList::SourceBufferList(ScriptExecutionContext* context)
: ActiveDOMObject(context)
{
}
SourceBufferList::~SourceBufferList()
{
ASSERT(m_list.isEmpty());
}
void SourceBufferList::add(Ref<SourceBuffer>&& buffer)
{
m_list.append(WTFMove(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 AtomString& eventName)
{
queueTaskToDispatchEvent(*this, TaskSource::MediaElement, Event::create(eventName, Event::CanBubble::No, Event::IsCancelable::No));
}
const char* SourceBufferList::activeDOMObjectName() const
{
return "SourceBufferList";
}
WebCoreOpaqueRoot root(SourceBufferList* list)
{
return WebCoreOpaqueRoot { list };
}
} // namespace WebCore
#endif
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