chrome.mdns API

chrome/browser/extensions/api/dial/mdns_service.h

+// Copyright (c) 2013 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 CHROME_BROWSER_EXTENSIONS_API_DIAL_MDNS_SERVICE_H_
+#define CHROME_BROWSER_EXTENSIONS_API_DIAL_MDNS_SERVICE_H_
+
+#include "chrome/browser/local_discovery/service_discovery_host_client.h"
+#include "chrome/common/local_discovery/service_discovery_client.h"
+
+namespace extensions {
+
+// Service for managing the mDNS device lister.
+class MDNSService {

[mark a. foltz, 2013/08/19 18:25:26]

This is a bit simpler.  Did you see an advantage to removing the ::Delegate
pattern?

+ public:
+  // TODO(justinlin): Should be singleton.

[mark a. foltz, 2013/08/19 18:25:26]

Singleton per service_type? Agreed, but seems like that can be enforced in
DialApi.

+  explicit MDNSService(std::string service_type);
+  ~MDNSService();
+
+  bool Start();
+  void Stop();
+  void Discover(bool force_update);
+
+ private:
+  void OnServiceUpdated(
+    local_discovery::ServiceWatcher::UpdateType update,
+    const std::string& service_name);
+
+  const std::string service_type_;
+  local_discovery::ServiceDiscoveryClient* service_discovery_client_;
+  scoped_ptr<local_discovery::ServiceWatcher> service_watcher_;
+  bool started_;
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_DIAL_MDNS_SERVICE_H_