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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_ |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_ |
| 7 | 7 |
| 8 #include <set> | 8 #include <set> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| 11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "base/threading/thread_checker.h" | 12 #include "base/threading/thread_checker.h" |
| 13 #include "chrome/browser/extensions/api/mdns/dns_sd_registry.h" | 13 #include "chrome/browser/extensions/api/mdns/dns_sd_registry.h" |
| 14 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h" | 14 #include "extensions/browser/browser_context_keyed_api_factory.h" |
| 15 #include "extensions/browser/event_router.h" | 15 #include "extensions/browser/event_router.h" |
| 16 | 16 |
| 17 namespace content { | 17 namespace content { |
| 18 class BrowserContext; | 18 class BrowserContext; |
| 19 } | 19 } |
| 20 | 20 |
| 21 namespace extensions { | 21 namespace extensions { |
| 22 | 22 |
| 23 class DnsSdRegistry; | 23 class DnsSdRegistry; |
| 24 | 24 |
| 25 // MDnsAPI is instantiated with the profile and will listen for extensions that | 25 // MDnsAPI is instantiated with the profile and will listen for extensions that |
| 26 // register listeners for the chrome.mdns extension API. It will use a registry | 26 // register listeners for the chrome.mdns extension API. It will use a registry |
| 27 // class to start the mDNS listener process (if necessary) and observe new | 27 // class to start the mDNS listener process (if necessary) and observe new |
| 28 // service events to dispatch them to registered extensions. | 28 // service events to dispatch them to registered extensions. |
| 29 class MDnsAPI : public ProfileKeyedAPI, | 29 class MDnsAPI : public BrowserContextKeyedAPI, |
| 30 public EventRouter::Observer, | 30 public EventRouter::Observer, |
| 31 public DnsSdRegistry::DnsSdObserver { | 31 public DnsSdRegistry::DnsSdObserver { |
| 32 public: | 32 public: |
| 33 explicit MDnsAPI(content::BrowserContext* context); | 33 explicit MDnsAPI(content::BrowserContext* context); |
| 34 virtual ~MDnsAPI(); | 34 virtual ~MDnsAPI(); |
| 35 | 35 |
| 36 static MDnsAPI* Get(content::BrowserContext* context); | 36 static MDnsAPI* Get(content::BrowserContext* context); |
| 37 | 37 |
| 38 // ProfileKeyedAPI implementation. | 38 // BrowserContextKeyedAPI implementation. |
| 39 static ProfileKeyedAPIFactory<MDnsAPI>* GetFactoryInstance(); | 39 static BrowserContextKeyedAPIFactory<MDnsAPI>* GetFactoryInstance(); |
| 40 | 40 |
| 41 // Used to mock out the DnsSdRegistry for testing. | 41 // Used to mock out the DnsSdRegistry for testing. |
| 42 void SetDnsSdRegistryForTesting(scoped_ptr<DnsSdRegistry> registry); | 42 void SetDnsSdRegistryForTesting(scoped_ptr<DnsSdRegistry> registry); |
| 43 | 43 |
| 44 protected: | 44 protected: |
| 45 // Retrieve an instance of the registry. Lazily created when needed. | 45 // Retrieve an instance of the registry. Lazily created when needed. |
| 46 virtual DnsSdRegistry* dns_sd_registry(); | 46 virtual DnsSdRegistry* dns_sd_registry(); |
| 47 | 47 |
| 48 private: | 48 private: |
| 49 friend class ProfileKeyedAPIFactory<MDnsAPI>; | 49 friend class BrowserContextKeyedAPIFactory<MDnsAPI>; |
| 50 | 50 |
| 51 // EventRouter::Observer: | 51 // EventRouter::Observer: |
| 52 virtual void OnListenerAdded(const EventListenerInfo& details) OVERRIDE; | 52 virtual void OnListenerAdded(const EventListenerInfo& details) OVERRIDE; |
| 53 virtual void OnListenerRemoved(const EventListenerInfo& details) OVERRIDE; | 53 virtual void OnListenerRemoved(const EventListenerInfo& details) OVERRIDE; |
| 54 | 54 |
| 55 // DnsSdRegistry::Observer | 55 // DnsSdRegistry::Observer |
| 56 virtual void OnDnsSdEvent( | 56 virtual void OnDnsSdEvent( |
| 57 const std::string& service_type, | 57 const std::string& service_type, |
| 58 const DnsSdRegistry::DnsSdServiceList& services) OVERRIDE; | 58 const DnsSdRegistry::DnsSdServiceList& services) OVERRIDE; |
| 59 | 59 |
| 60 // ProfileKeyedAPI implementation. | 60 // BrowserContextKeyedAPI implementation. |
| 61 static const char* service_name() { | 61 static const char* service_name() { |
| 62 return "MDnsAPI"; | 62 return "MDnsAPI"; |
| 63 } | 63 } |
| 64 | 64 |
| 65 static const bool kServiceIsCreatedWithBrowserContext = true; | 65 static const bool kServiceIsCreatedWithBrowserContext = true; |
| 66 static const bool kServiceIsNULLWhileTesting = true; | 66 static const bool kServiceIsNULLWhileTesting = true; |
| 67 | 67 |
| 68 // Update the current list of service types and update the registry. | 68 // Update the current list of service types and update the registry. |
| 69 void UpdateMDnsListeners(const EventListenerInfo& details); | 69 void UpdateMDnsListeners(const EventListenerInfo& details); |
| 70 | 70 |
| 71 // Ensure methods are only called on UI thread. | 71 // Ensure methods are only called on UI thread. |
| 72 base::ThreadChecker thread_checker_; | 72 base::ThreadChecker thread_checker_; |
| 73 content::BrowserContext* const browser_context_; | 73 content::BrowserContext* const browser_context_; |
| 74 // Lazily created on first access and destroyed with this API class. | 74 // Lazily created on first access and destroyed with this API class. |
| 75 scoped_ptr<DnsSdRegistry> dns_sd_registry_; | 75 scoped_ptr<DnsSdRegistry> dns_sd_registry_; |
| 76 // Current set of service types registered with the registry. | 76 // Current set of service types registered with the registry. |
| 77 std::set<std::string> service_types_; | 77 std::set<std::string> service_types_; |
| 78 | 78 |
| 79 DISALLOW_COPY_AND_ASSIGN(MDnsAPI); | 79 DISALLOW_COPY_AND_ASSIGN(MDnsAPI); |
| 80 }; | 80 }; |
| 81 | 81 |
| 82 } // namespace extensions | 82 } // namespace extensions |
| 83 | 83 |
| 84 #endif // CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_ | 84 #endif // CHROME_BROWSER_EXTENSIONS_API_MDNS_MDNS_API_H_ |
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