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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_ | |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_ | |
| 7 | |
| 8 #include <set> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "base/threading/thread_checker.h" | |
| 13 #include "chrome/browser/extensions/api/mdns/dns_sd_registry.h" | |
| 14 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h" | |
| 15 #include "chrome/browser/extensions/event_router.h" | |
| 16 | |
| 17 namespace extensions { | |
| 18 | |
| 19 class DnsSdRegistry; | |
| 20 | |
| 21 // MDnsAPI is instantiated with the profile and will listen for extensions that | |
| 22 // register listeners for the chrome.mdns extension API. It will use a registry | |
| 23 // class to start the mDNS listener process (if necessary) and observe new | |
| 24 // service events to dispatch them to registered extensions. | |
| 25 class MDnsAPI : public ProfileKeyedAPI, | |
| 26 public EventRouter::Observer, | |
| 27 public DnsSdRegistry::DnsSdObserver { | |
| 28 public: | |
| 29 explicit MDnsAPI(Profile* profile); | |
| 30 virtual ~MDnsAPI(); | |
| 31 | |
| 32 static MDnsAPI* Get(Profile* profile); | |
| 33 | |
| 34 // ProfileKeyedAPI implementation. | |
| 35 static ProfileKeyedAPIFactory<MDnsAPI>* GetFactoryInstance(); | |
| 36 | |
| 37 // Used to mock out the DnsSdRegistry for testing. | |
| 38 void SetDnsSdRegistryForTesting(scoped_ptr<DnsSdRegistry> registry); | |
| 39 | |
| 40 protected: | |
| 41 // Retrieve an instance of the registry. Lazily created when needed. | |
| 42 virtual DnsSdRegistry* dns_sd_registry(); | |
| 43 | |
| 44 private: | |
| 45 friend class ProfileKeyedAPIFactory<MDnsAPI>; | |
| 46 | |
| 47 // EventRouter::Observer: | |
| 48 virtual void OnListenerAdded(const EventListenerInfo& details) OVERRIDE; | |
| 49 virtual void OnListenerRemoved(const EventListenerInfo& details) OVERRIDE; | |
| 50 | |
| 51 // DnsSdRegistry::Observer | |
| 52 virtual void OnDnsSdEvent( | |
| 53 const std::string& service_type, | |
| 54 const DnsSdRegistry::DnsSdServiceList& services) OVERRIDE; | |
| 55 | |
| 56 // ProfileKeyedAPI implementation. | |
| 57 static const char* service_name() { | |
| 58 return "MDnsAPI"; | |
| 59 } | |
| 60 | |
| 61 static const bool kServiceIsCreatedWithBrowserContext = true; | |
| 62 static const bool kServiceIsNULLWhileTesting = true; | |
| 63 | |
| 64 // Update the current list of service types and update the registry. | |
| 65 void UpdateMDnsListeners(const EventListenerInfo& details); | |
| 66 | |
| 67 // Ensure methods are only called on UI thread. | |
| 68 base::ThreadChecker thread_checker_; | |
| 69 Profile* const profile_; | |
| 70 // Lazily created on first access and destroyed with this API class. | |
| 71 scoped_ptr<DnsSdRegistry> dns_sd_registry_; | |
| 72 // Current set of service types registered with the registry. | |
| 73 std::set<std::string> service_types_; | |
| 74 | |
| 75 DISALLOW_COPY_AND_ASSIGN(MDnsAPI); | |
| 76 }; | |
| 77 | |
| 78 } // namespace extensions | |
| 79 | |
| 80 #endif // CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_ | |
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Chromium Code Reviews
Issue 23945003:
Revert 221619 "Initial chrome.mdns API." (Closed)
Base URL: svn://svn.chromium.org/chrome/