/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * 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
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_INSPECTOR_INSPECTORWORKERAGENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_INSPECTOR_INSPECTORWORKERAGENT_H_

#include "base/macros.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/inspector/InspectorBaseAgent.h"
#include "third_party/blink/renderer/core/inspector/protocol/Target.h"
#include "third_party/blink/renderer/core/workers/worker_inspector_proxy.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"

namespace blink {
class InspectedFrames;
class WorkerGlobalScope;
class WorkerInspectorProxy;

class CORE_EXPORT InspectorWorkerAgent final
    : public InspectorBaseAgent<protocol::Target::Metainfo>,
      public WorkerInspectorProxy::PageInspector {
 public:
  InspectorWorkerAgent(InspectedFrames*, WorkerGlobalScope*);
  ~InspectorWorkerAgent() override;
  void Trace(blink::Visitor*) override;

  protocol::Response disable() override;
  void Restore() override;
  void DidCommitLoadForLocalFrame(LocalFrame*) override;

  // Probes
  void ShouldWaitForDebuggerOnWorkerStart(bool* result);
  void DidStartWorker(WorkerInspectorProxy*, bool waiting_for_debugger);
  void WorkerTerminated(WorkerInspectorProxy*);

  // Called from Dispatcher
  protocol::Response setAutoAttach(bool auto_attach,
                                   bool wait_for_debugger_on_start) override;
  protocol::Response sendMessageToTarget(
      const String& message,
      protocol::Maybe<String> session_id,
      protocol::Maybe<String> target_id) override;

 private:
  bool AutoAttachEnabled();
  void ConnectToAllProxies();
  void DisconnectFromAllProxies(bool report_to_frontend);
  void ConnectToProxy(WorkerInspectorProxy*, bool waiting_for_debugger);
  protocol::DictionaryValue* AttachedSessionIds();

  // WorkerInspectorProxy::PageInspector implementation.
  void DispatchMessageFromWorker(WorkerInspectorProxy*,
                                 int connection,
                                 const String& message) override;

  // This is null while inspecting workers.
  Member<InspectedFrames> inspected_frames_;
  // This is null while inspecting frames.
  Member<WorkerGlobalScope> worker_global_scope_;
  HeapHashMap<int, Member<WorkerInspectorProxy>> connected_proxies_;
  HashMap<int, String> connection_to_session_id_;
  HashMap<String, int> session_id_to_connection_;
  static int s_last_connection_;
  DISALLOW_COPY_AND_ASSIGN(InspectorWorkerAgent);
};

}  // namespace blink

#endif  // !defined(InspectorWorkerAgent_h)