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/*
* Copyright (C) 2011 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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"
#if ENABLE(JAVASCRIPT_DEBUGGER) && ENABLE(INSPECTOR) && ENABLE(WORKERS)
#include "WorkerDebuggerAgent.h"
#include "ScriptDebugServer.h"
#include "WorkerGlobalScope.h"
#include "WorkerThread.h"
#include <wtf/MessageQueue.h>
namespace WebCore {
namespace {
Mutex& workerDebuggerAgentsMutex()
{
AtomicallyInitializedStatic(Mutex&, mutex = *new Mutex);
return mutex;
}
typedef HashMap<WorkerThread*, WorkerDebuggerAgent*> WorkerDebuggerAgents;
WorkerDebuggerAgents& workerDebuggerAgents()
{
DEFINE_STATIC_LOCAL(WorkerDebuggerAgents, agents, ());
return agents;
}
class RunInspectorCommandsTask : public ScriptDebugServer::Task {
public:
RunInspectorCommandsTask(WorkerThread* thread, WorkerGlobalScope* workerGlobalScope)
: m_thread(thread)
, m_workerGlobalScope(workerGlobalScope) { }
virtual ~RunInspectorCommandsTask() { }
virtual void run()
{
// Process all queued debugger commands. It is safe to use m_workerGlobalScope here
// because it is alive if RunWorkerLoop is not terminated, otherwise it will
// just be ignored. WorkerThread is certainly alive if this task is being executed.
while (MessageQueueMessageReceived == m_thread->runLoop().runInMode(m_workerGlobalScope, WorkerDebuggerAgent::debuggerTaskMode, WorkerRunLoop::DontWaitForMessage)) { }
}
private:
WorkerThread* m_thread;
WorkerGlobalScope* m_workerGlobalScope;
};
} // namespace
const char* WorkerDebuggerAgent::debuggerTaskMode = "debugger";
PassOwnPtr<WorkerDebuggerAgent> WorkerDebuggerAgent::create(InstrumentingAgents* instrumentingAgents, InspectorCompositeState* inspectorState, WorkerGlobalScope* inspectedWorkerGlobalScope, InjectedScriptManager* injectedScriptManager)
{
return adoptPtr(new WorkerDebuggerAgent(instrumentingAgents, inspectorState, inspectedWorkerGlobalScope, injectedScriptManager));
}
WorkerDebuggerAgent::WorkerDebuggerAgent(InstrumentingAgents* instrumentingAgents, InspectorCompositeState* inspectorState, WorkerGlobalScope* inspectedWorkerGlobalScope, InjectedScriptManager* injectedScriptManager)
: InspectorDebuggerAgent(instrumentingAgents, inspectorState, injectedScriptManager)
, m_scriptDebugServer(inspectedWorkerGlobalScope, WorkerDebuggerAgent::debuggerTaskMode)
, m_inspectedWorkerGlobalScope(inspectedWorkerGlobalScope)
{
MutexLocker lock(workerDebuggerAgentsMutex());
workerDebuggerAgents().set(inspectedWorkerGlobalScope->thread(), this);
}
WorkerDebuggerAgent::~WorkerDebuggerAgent()
{
MutexLocker lock(workerDebuggerAgentsMutex());
ASSERT(workerDebuggerAgents().contains(m_inspectedWorkerGlobalScope->thread()));
workerDebuggerAgents().remove(m_inspectedWorkerGlobalScope->thread());
}
void WorkerDebuggerAgent::interruptAndDispatchInspectorCommands(WorkerThread* thread)
{
MutexLocker lock(workerDebuggerAgentsMutex());
WorkerDebuggerAgent* agent = workerDebuggerAgents().get(thread);
if (agent)
agent->m_scriptDebugServer.interruptAndRunTask(adoptPtr(new RunInspectorCommandsTask(thread, agent->m_inspectedWorkerGlobalScope)));
}
void WorkerDebuggerAgent::startListeningScriptDebugServer()
{
scriptDebugServer().addListener(this);
}
void WorkerDebuggerAgent::stopListeningScriptDebugServer()
{
scriptDebugServer().removeListener(this);
}
WorkerScriptDebugServer& WorkerDebuggerAgent::scriptDebugServer()
{
return m_scriptDebugServer;
}
InjectedScript WorkerDebuggerAgent::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_inspectedWorkerGlobalScope);
return injectedScriptManager()->injectedScriptFor(scriptState);
}
void WorkerDebuggerAgent::muteConsole()
{
// We don't need to mute console for workers.
}
void WorkerDebuggerAgent::unmuteConsole()
{
// We don't need to mute console for workers.
}
} // namespace WebCore
#endif // ENABLE(JAVASCRIPT_DEBUGGER) && ENABLE(INSPECTOR) && ENABLE(WORKERS)
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