Source/core/inspector/WorkerRuntimeAgent.cpp

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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#include "config.h"

#include "core/inspector/WorkerRuntimeAgent.h"

#include "bindings/v8/ScriptState.h"
#include "core/inspector/InjectedScript.h"
#include "core/inspector/InstrumentingAgents.h"
#include "core/inspector/WorkerDebuggerAgent.h"
#include "core/workers/WorkerGlobalScope.h"
#include "core/workers/WorkerRunLoop.h"
#include "core/workers/WorkerThread.h"

namespace WebCore {

WorkerRuntimeAgent::WorkerRuntimeAgent(InstrumentingAgents* instrumentingAgents, InspectorCompositeState* state, InjectedScriptManager* injectedScriptManager, ScriptDebugServer* scriptDebugServer, WorkerGlobalScope* workerGlobalScope)
    : InspectorRuntimeAgent(instrumentingAgents, state, injectedScriptManager, scriptDebugServer)
    , m_workerGlobalScope(workerGlobalScope)
    , m_paused(false)
{
    m_instrumentingAgents->setWorkerRuntimeAgent(this);
}

WorkerRuntimeAgent::~WorkerRuntimeAgent()
{
    m_instrumentingAgents->setWorkerRuntimeAgent(0);
}

InjectedScript WorkerRuntimeAgent::injectedScriptForEval(ErrorString* error, const int* executionContextId)
{
    if (executionContextId) {
        *error = "Execution context id is not supported for workers as there is only one execution context.";
        return InjectedScript();
    }
    ScriptState* scriptState = scriptStateFromWorkerGlobalScope(m_workerGlobalScope);
    return injectedScriptManager()->injectedScriptFor(scriptState);
}

void WorkerRuntimeAgent::muteConsole()
{
    // We don't need to mute console for workers.
}

void WorkerRuntimeAgent::unmuteConsole()
{
    // We don't need to mute console for workers.
}

void WorkerRuntimeAgent::run(ErrorString*)
{
    m_paused = false;
}

void WorkerRuntimeAgent::willEvaluateWorkerScript(WorkerGlobalScope* context, int workerThreadStartMode)
{
    if (workerThreadStartMode != PauseWorkerGlobalScopeOnStart)
        return;

    m_paused = true;
    MessageQueueWaitResult result;
    do {
        result = context->thread()->runLoop().runInMode(context, WorkerDebuggerAgent::debuggerTaskMode);
    // Keep waiting until execution is resumed.
    } while (result == MessageQueueMessageReceived && m_paused);
}

} // namespace WebCore