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/*
* Copyright (C) 2008 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "MessageChannel.h"
#include "MessagePort.h"
#include "MessagePortChannelProvider.h"
#include "ScriptExecutionContext.h"
namespace WebCore {
static std::pair<Ref<MessagePort>, Ref<MessagePort>> generateMessagePorts(ScriptExecutionContext& context)
{
MessagePortIdentifier id1 = { Process::identifier(), PortIdentifier::generate() };
MessagePortIdentifier id2 = { Process::identifier(), PortIdentifier::generate() };
return { MessagePort::create(context, id1, id2), MessagePort::create(context, id2, id1) };
}
Ref<MessageChannel> MessageChannel::create(ScriptExecutionContext& context)
{
return adoptRef(*new MessageChannel(context));
}
MessageChannel::MessageChannel(ScriptExecutionContext& context)
: m_ports(generateMessagePorts(context))
{
if (!context.activeDOMObjectsAreStopped()) {
ASSERT(!port1().isDetached());
ASSERT(!port2().isDetached());
MessagePortChannelProvider::fromContext(context).createNewMessagePortChannel(port1().identifier(), port2().identifier());
} else {
ASSERT(port1().isDetached());
ASSERT(port2().isDetached());
}
}
MessageChannel::~MessageChannel() = default;
} // namespace WebCore
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