DevTools: land service worker handler (patch 1).

content/browser/devtools/protocol/service_worker_handler.h

+// 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<DevToolsProtocolClient> 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<DevToolsProtocolClient> 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_