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/*
* Copyright (C) 2022 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. AND ITS 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 APPLE INC. OR ITS 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 "WebSharedWorker.h"
#include "WebSharedWorkerServer.h"
#include "WebSharedWorkerServerToContextConnection.h"
#include <wtf/HashMap.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/RunLoop.h>
namespace WebKit {
static HashMap<WebCore::SharedWorkerIdentifier, WebSharedWorker*>& allWorkers()
{
ASSERT(RunLoop::isMain());
static NeverDestroyed<HashMap<WebCore::SharedWorkerIdentifier, WebSharedWorker*>> allWorkers;
return allWorkers;
}
WebSharedWorker::WebSharedWorker(WebSharedWorkerServer& server, const WebCore::SharedWorkerKey& key, const WebCore::WorkerOptions& workerOptions)
: m_server(server)
, m_identifier(WebCore::SharedWorkerIdentifier::generate())
, m_key(key)
, m_workerOptions(workerOptions)
{
ASSERT(!allWorkers().contains(m_identifier));
allWorkers().add(m_identifier, this);
}
WebSharedWorker::~WebSharedWorker()
{
if (auto* connection = contextConnection()) {
for (auto& sharedWorkerObjectIdentifier : m_sharedWorkerObjects.keys())
connection->removeSharedWorkerObject(sharedWorkerObjectIdentifier);
}
ASSERT(allWorkers().get(m_identifier) == this);
allWorkers().remove(m_identifier);
}
WebSharedWorker* WebSharedWorker::fromIdentifier(WebCore::SharedWorkerIdentifier identifier)
{
return allWorkers().get(identifier);
}
WebCore::RegistrableDomain WebSharedWorker::registrableDomain() const
{
return WebCore::RegistrableDomain { url() };
}
void WebSharedWorker::didCreateContextConnection(WebSharedWorkerServerToContextConnection& contextConnection)
{
for (auto& sharedWorkerObjectIdentifier : m_sharedWorkerObjects.keys())
contextConnection.addSharedWorkerObject(sharedWorkerObjectIdentifier);
}
void WebSharedWorker::addSharedWorkerObject(WebCore::SharedWorkerObjectIdentifier sharedWorkerObjectIdentifier, const WebCore::TransferredMessagePort& port)
{
m_sharedWorkerObjects.add(sharedWorkerObjectIdentifier, port);
if (auto* connection = contextConnection())
connection->addSharedWorkerObject(sharedWorkerObjectIdentifier);
}
void WebSharedWorker::removeSharedWorkerObject(WebCore::SharedWorkerObjectIdentifier sharedWorkerObjectIdentifier)
{
m_sharedWorkerObjects.remove(sharedWorkerObjectIdentifier);
if (auto* connection = contextConnection())
connection->removeSharedWorkerObject(sharedWorkerObjectIdentifier);
}
void WebSharedWorker::forEachSharedWorkerObject(const Function<void(WebCore::SharedWorkerObjectIdentifier, const WebCore::TransferredMessagePort&)>& apply) const
{
for (auto& [sharedWorkerObjectIdentifier, port] : m_sharedWorkerObjects)
apply(sharedWorkerObjectIdentifier, port);
}
WebSharedWorkerServerToContextConnection* WebSharedWorker::contextConnection() const
{
return m_server.contextConnectionForRegistrableDomain(registrableDomain());
}
} // namespace WebKit
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