text: /*
   * 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"
  #include "core/inspector/WorkerDebuggerAgent.h"
  
  #include "bindings/core/v8/ScriptDebugServer.h"
  #include "core/inspector/InjectedScript.h"
  #include "core/inspector/WorkerInspectorController.h"
  #include "core/workers/WorkerGlobalScope.h"
  #include "core/workers/WorkerThread.h"
  #include "wtf/MessageQueue.h"
  
  namespace blink {
  
  namespace {
  
  class RunInspectorCommandsTask final : public ScriptDebugServer::Task {
  public:
      explicit RunInspectorCommandsTask(WorkerThread* thread)
          : m_thread(thread) { }
      virtual ~RunInspectorCommandsTask() { }
      virtual void run() override
      {
          // Process all queued debugger commands. WorkerThread is certainly
          // alive if this task is being executed.
          m_thread->willEnterNestedLoop();
          while (MessageQueueMessageReceived == m_thread->runDebuggerTask(WorkerThread::DontWaitForMessage)) { }
          m_thread->didLeaveNestedLoop();
      }
  
  private:
      WorkerThread* m_thread;
  };
  
  } // namespace
  
  PassOwnPtrWillBeRawPtr<WorkerDebuggerAgent> WorkerDebuggerAgent::create(WorkerScriptDebugServer* scriptDebugServer, WorkerGlobalScope* inspectedWorkerGlobalScope, InjectedScriptManager* injectedScriptManager)
  {
      return adoptPtrWillBeNoop(new WorkerDebuggerAgent(scriptDebugServer, inspectedWorkerGlobalScope, injectedScriptManager));
  }
  
  WorkerDebuggerAgent::WorkerDebuggerAgent(WorkerScriptDebugServer* scriptDebugServer, WorkerGlobalScope* inspectedWorkerGlobalScope, InjectedScriptManager* injectedScriptManager)
      : InspectorDebuggerAgent(injectedScriptManager)
      , m_scriptDebugServer(scriptDebugServer)
      , m_inspectedWorkerGlobalScope(inspectedWorkerGlobalScope)
  {
  }
  
  WorkerDebuggerAgent::~WorkerDebuggerAgent()
  {
  }
  
  DEFINE_TRACE(WorkerDebuggerAgent)
  {
      visitor->trace(m_inspectedWorkerGlobalScope);
      InspectorDebuggerAgent::trace(visitor);
  }
  
  void WorkerDebuggerAgent::interruptAndDispatchInspectorCommands()
  {
      scriptDebugServer().interruptAndRun(adoptPtr(new RunInspectorCommandsTask(m_inspectedWorkerGlobalScope->thread())));
  }
  
  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)
          return injectedScriptManager()->injectedScriptFor(m_inspectedWorkerGlobalScope->script()->scriptState());
  
      InjectedScript injectedScript = injectedScriptManager()->injectedScriptForId(*executionContextId);
      if (injectedScript.isEmpty())
          *error = "Execution context with given id not found.";
      return injectedScript;
  }
  
  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 blink
  