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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SERVICE_WORKER_HANDLER_H_
#define CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SERVICE_WORKER_HANDLER_H_

#include <set>

#include "content/browser/devtools/protocol/devtools_protocol_handler.h"
#include "content/browser/devtools/worker_devtools_manager.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/devtools_agent_host_client.h"

namespace content {
namespace devtools {
namespace service_worker {

class ServiceWorkerHandler : public DevToolsAgentHostClient,
                             public WorkerDevToolsManager::Observer {
 public:
  typedef DevToolsProtocolClient::Response Response;

  ServiceWorkerHandler();
  ~ServiceWorkerHandler() override;

  void SetClient(scoped_ptr<Client> client);
  void Detached();

  // Protocol 'service worker' domain implementation.
  Response Enable();
  Response Disable();
  Response SendMessage(const std::string& worker_id,
                       const std::string& message);
  Response Attach(const std::string& worker_id);
  Response Detach(const std::string& worker_id);

  // WorkerDevToolsManager::Observer implementation.
  void WorkerCreated(DevToolsAgentHost* host) override;
  void WorkerDestroyed(DevToolsAgentHost* host) override;

 private:
  // DevToolsAgentHostClient overrides.
  void DispatchProtocolMessage(DevToolsAgentHost* agent_host,
                               const std::string& message) override;
  void AgentHostClosed(DevToolsAgentHost* agent_host,
                       bool replaced_with_another_client) override;

  scoped_ptr<Client> client_;
  using AttachedHosts = std::map<std::string,
                                 scoped_refptr<DevToolsAgentHost>>;
  AttachedHosts attached_hosts_;

  DISALLOW_COPY_AND_ASSIGN(ServiceWorkerHandler);
};

}  // namespace service_worker
}  // namespace devtools
}  // namespace content

#endif  // CONTENT_BROWSER_DEVTOOLS_PROTOCOL_SERVICE_WORKER_HANDLER_H_