| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include "SharedWorkerIdentifier.h" |
| #include "TransferredMessagePort.h" |
| #include <wtf/HashMap.h> |
| |
| namespace WebCore { |
| |
| class ScriptExecutionContext; |
| class SharedWorkerThreadProxy; |
| |
| class SharedWorkerContextManager { |
| public: |
| WEBCORE_EXPORT static SharedWorkerContextManager& singleton(); |
| |
| SharedWorkerThreadProxy* sharedWorker(SharedWorkerIdentifier) const; |
| void stopSharedWorker(SharedWorkerIdentifier); |
| void suspendSharedWorker(SharedWorkerIdentifier); |
| void resumeSharedWorker(SharedWorkerIdentifier); |
| WEBCORE_EXPORT void stopAllSharedWorkers(); |
| |
| class Connection { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| virtual ~Connection() { } |
| virtual void establishConnection(CompletionHandler<void()>&&) = 0; |
| virtual void postExceptionToWorkerObject(SharedWorkerIdentifier, const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL) = 0; |
| bool isClosed() const { return m_isClosed; } |
| |
| protected: |
| void setAsClosed() { m_isClosed = true; } |
| |
| // IPC message handlers. |
| WEBCORE_EXPORT void postConnectEvent(SharedWorkerIdentifier, TransferredMessagePort&&, String&& sourceOrigin); |
| WEBCORE_EXPORT void terminateSharedWorker(SharedWorkerIdentifier); |
| WEBCORE_EXPORT void suspendSharedWorker(SharedWorkerIdentifier); |
| WEBCORE_EXPORT void resumeSharedWorker(SharedWorkerIdentifier); |
| |
| private: |
| bool m_isClosed { false }; |
| }; |
| |
| WEBCORE_EXPORT void setConnection(std::unique_ptr<Connection>&&); |
| WEBCORE_EXPORT Connection* connection() const; |
| |
| WEBCORE_EXPORT void registerSharedWorkerThread(Ref<SharedWorkerThreadProxy>&&); |
| |
| void forEachSharedWorker(const Function<Function<void(ScriptExecutionContext&)>()>&); |
| |
| private: |
| friend class NeverDestroyed<SharedWorkerContextManager>; |
| |
| SharedWorkerContextManager() = default; |
| |
| std::unique_ptr<Connection> m_connection; |
| HashMap<SharedWorkerIdentifier, Ref<SharedWorkerThreadProxy>> m_workerMap; |
| }; |
| |
| } // namespace WebCore |