150 lines
4.9 KiB
C++
150 lines
4.9 KiB
C++
/*
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* Copyright (C) 2016 Apple 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
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* are met:
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "WorkerInspectorProxy.h"
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#include "InspectorInstrumentation.h"
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#include "ScriptExecutionContext.h"
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#include "WorkerGlobalScope.h"
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#include "WorkerInspectorController.h"
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#include "WorkerRunLoop.h"
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#include "WorkerThread.h"
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#include <JavaScriptCore/InspectorAgentBase.h>
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#include <wtf/NeverDestroyed.h>
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namespace WebCore {
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using namespace Inspector;
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HashSet<WorkerInspectorProxy*>& WorkerInspectorProxy::allWorkerInspectorProxies()
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{
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static NeverDestroyed<HashSet<WorkerInspectorProxy*>> proxies;
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return proxies;
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}
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WorkerInspectorProxy::WorkerInspectorProxy(const String& identifier)
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: m_identifier(identifier)
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{
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}
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WorkerInspectorProxy::~WorkerInspectorProxy()
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{
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ASSERT(!m_workerThread);
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ASSERT(!m_pageChannel);
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}
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WorkerThreadStartMode WorkerInspectorProxy::workerStartMode(ScriptExecutionContext& scriptExecutionContext)
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{
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bool pauseOnStart = InspectorInstrumentation::shouldWaitForDebuggerOnStart(scriptExecutionContext);
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return pauseOnStart ? WorkerThreadStartMode::WaitForInspector : WorkerThreadStartMode::Normal;
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}
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void WorkerInspectorProxy::workerStarted(ScriptExecutionContext* scriptExecutionContext, WorkerThread* thread, const URL& url, const String& name)
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{
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ASSERT(!m_workerThread);
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m_scriptExecutionContext = scriptExecutionContext;
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m_workerThread = thread;
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m_url = url;
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m_name = name;
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allWorkerInspectorProxies().add(this);
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InspectorInstrumentation::workerStarted(*this);
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}
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void WorkerInspectorProxy::workerTerminated()
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{
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if (!m_workerThread)
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return;
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InspectorInstrumentation::workerTerminated(*this);
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allWorkerInspectorProxies().remove(this);
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m_scriptExecutionContext = nullptr;
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m_workerThread = nullptr;
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m_pageChannel = nullptr;
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}
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void WorkerInspectorProxy::resumeWorkerIfPaused()
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{
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m_workerThread->runLoop().postDebuggerTask([] (ScriptExecutionContext& context) {
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downcast<WorkerGlobalScope>(context).thread().stopRunningDebuggerTasks();
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});
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}
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void WorkerInspectorProxy::connectToWorkerInspectorController(PageChannel& channel)
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{
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ASSERT(m_workerThread);
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if (!m_workerThread)
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return;
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m_pageChannel = &channel;
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m_workerThread->runLoop().postDebuggerTask([] (ScriptExecutionContext& context) {
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downcast<WorkerGlobalScope>(context).inspectorController().connectFrontend();
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});
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}
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void WorkerInspectorProxy::disconnectFromWorkerInspectorController()
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{
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ASSERT(m_workerThread);
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if (!m_workerThread)
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return;
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m_pageChannel = nullptr;
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m_workerThread->runLoop().postDebuggerTask([] (ScriptExecutionContext& context) {
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downcast<WorkerGlobalScope>(context).inspectorController().disconnectFrontend(DisconnectReason::InspectorDestroyed);
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// In case the worker is paused running debugger tasks, ensure we break out of
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// the pause since this will be the last debugger task we send to the worker.
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downcast<WorkerGlobalScope>(context).thread().stopRunningDebuggerTasks();
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});
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}
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void WorkerInspectorProxy::sendMessageToWorkerInspectorController(const String& message)
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{
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ASSERT(m_workerThread);
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if (!m_workerThread)
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return;
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m_workerThread->runLoop().postDebuggerTask([message = message.isolatedCopy()] (ScriptExecutionContext& context) {
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downcast<WorkerGlobalScope>(context).inspectorController().dispatchMessageFromFrontend(message);
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});
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}
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void WorkerInspectorProxy::sendMessageFromWorkerToFrontend(const String& message)
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{
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if (!m_pageChannel)
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return;
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m_pageChannel->sendMessageFromWorkerToFrontend(*this, message);
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}
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} // namespace WebCore
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