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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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_LOCATION_LOCATION_MANAGER_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_LOCATION_LOCATION_MANAGER_H_ |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_LOCATION_LOCATION_MANAGER_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_API_LOCATION_LOCATION_MANAGER_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| 11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
| 12 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h" | |
| 13 #include "content/public/browser/notification_observer.h" | 12 #include "content/public/browser/notification_observer.h" |
| 14 #include "content/public/browser/notification_registrar.h" | 13 #include "content/public/browser/notification_registrar.h" |
| 14 #include "extensions/browser/browser_context_keyed_api_factory.h" |
| 15 | 15 |
| 16 class Profile; | 16 class Profile; |
| 17 | 17 |
| 18 namespace content { | 18 namespace content { |
| 19 class BrowserContext; | 19 class BrowserContext; |
| 20 struct Geoposition; | 20 struct Geoposition; |
| 21 } // namespace content | 21 } // namespace content |
| 22 | 22 |
| 23 namespace extensions { | 23 namespace extensions { |
| 24 class LocationManager; | 24 class LocationManager; |
| 25 class LocationRequest; | 25 class LocationRequest; |
| 26 | 26 |
| 27 namespace api { | 27 namespace api { |
| 28 namespace location { | 28 namespace location { |
| 29 | 29 |
| 30 struct Coordinates; | 30 struct Coordinates; |
| 31 | 31 |
| 32 } // namespace location | 32 } // namespace location |
| 33 } // namespace api | 33 } // namespace api |
| 34 | 34 |
| 35 // Profile's manager of all location watch requests created by chrome.location | 35 // Profile's manager of all location watch requests created by chrome.location |
| 36 // API. Lives in the UI thread. | 36 // API. Lives in the UI thread. |
| 37 class LocationManager | 37 class LocationManager : public BrowserContextKeyedAPI, |
| 38 : public ProfileKeyedAPI, | 38 public content::NotificationObserver, |
| 39 public content::NotificationObserver, | 39 public base::SupportsWeakPtr<LocationManager> { |
| 40 public base::SupportsWeakPtr<LocationManager> { | |
| 41 public: | 40 public: |
| 42 explicit LocationManager(content::BrowserContext* context); | 41 explicit LocationManager(content::BrowserContext* context); |
| 43 virtual ~LocationManager(); | 42 virtual ~LocationManager(); |
| 44 | 43 |
| 45 // Adds location request for the given extension, and starts the location | 44 // Adds location request for the given extension, and starts the location |
| 46 // tracking. | 45 // tracking. |
| 47 void AddLocationRequest( | 46 void AddLocationRequest( |
| 48 const std::string& extension_id, | 47 const std::string& extension_id, |
| 49 const std::string& request_name, | 48 const std::string& request_name, |
| 50 const double* distance_update_threshold_meters, | 49 const double* distance_update_threshold_meters, |
| 51 const double* time_between_updates_ms); | 50 const double* time_between_updates_ms); |
| 52 | 51 |
| 53 // Cancels and removes the request with the given |name| for the given | 52 // Cancels and removes the request with the given |name| for the given |
| 54 // extension. | 53 // extension. |
| 55 void RemoveLocationRequest(const std::string& extension_id, | 54 void RemoveLocationRequest(const std::string& extension_id, |
| 56 const std::string& name); | 55 const std::string& name); |
| 57 | 56 |
| 58 // ProfileKeyedAPI implementation. | 57 // BrowserContextKeyedAPI implementation. |
| 59 static ProfileKeyedAPIFactory<LocationManager>* GetFactoryInstance(); | 58 static BrowserContextKeyedAPIFactory<LocationManager>* GetFactoryInstance(); |
| 60 | 59 |
| 61 // Convenience method to get the LocationManager for a profile. | 60 // Convenience method to get the LocationManager for a profile. |
| 62 static LocationManager* Get(content::BrowserContext* context); | 61 static LocationManager* Get(content::BrowserContext* context); |
| 63 | 62 |
| 64 private: | 63 private: |
| 65 friend class LocationRequest; | 64 friend class LocationRequest; |
| 66 friend class ProfileKeyedAPIFactory<LocationManager>; | 65 friend class BrowserContextKeyedAPIFactory<LocationManager>; |
| 67 | 66 |
| 68 typedef std::string ExtensionId; | 67 typedef std::string ExtensionId; |
| 69 typedef scoped_refptr<LocationRequest> LocationRequestPointer; | 68 typedef scoped_refptr<LocationRequest> LocationRequestPointer; |
| 70 typedef std::multimap<ExtensionId, LocationRequestPointer> LocationRequestMap; | 69 typedef std::multimap<ExtensionId, LocationRequestPointer> LocationRequestMap; |
| 71 typedef LocationRequestMap::iterator LocationRequestIterator; | 70 typedef LocationRequestMap::iterator LocationRequestIterator; |
| 72 | 71 |
| 73 // Converts |position| from GeolocationProvider to the location API | 72 // Converts |position| from GeolocationProvider to the location API |
| 74 // |coordinates|. | 73 // |coordinates|. |
| 75 static void GeopositionToApiCoordinates( | 74 static void GeopositionToApiCoordinates( |
| 76 const content::Geoposition& position, | 75 const content::Geoposition& position, |
| 77 api::location::Coordinates* coordinates); | 76 api::location::Coordinates* coordinates); |
| 78 | 77 |
| 79 // Sends a location update to the extension. | 78 // Sends a location update to the extension. |
| 80 void SendLocationUpdate(const std::string& extension_id, | 79 void SendLocationUpdate(const std::string& extension_id, |
| 81 const std::string& request_name, | 80 const std::string& request_name, |
| 82 const content::Geoposition& position); | 81 const content::Geoposition& position); |
| 83 | 82 |
| 84 // NotificationObserver: | 83 // NotificationObserver: |
| 85 virtual void Observe(int type, | 84 virtual void Observe(int type, |
| 86 const content::NotificationSource& source, | 85 const content::NotificationSource& source, |
| 87 const content::NotificationDetails& details) OVERRIDE; | 86 const content::NotificationDetails& details) OVERRIDE; |
| 88 | 87 |
| 89 // ProfileKeyedAPI implementation. | 88 // BrowserContextKeyedAPI implementation. |
| 90 static const char* service_name() { return "LocationManager"; } | 89 static const char* service_name() { return "LocationManager"; } |
| 91 | 90 |
| 92 // Profile for this location manager. | 91 // Profile for this location manager. |
| 93 Profile* const profile_; | 92 Profile* const profile_; |
| 94 | 93 |
| 95 // A map of our pending location requests, per extension. | 94 // A map of our pending location requests, per extension. |
| 96 // Invariant: None of the LocationRequestLists are empty. | 95 // Invariant: None of the LocationRequestLists are empty. |
| 97 LocationRequestMap location_requests_; | 96 LocationRequestMap location_requests_; |
| 98 | 97 |
| 99 // Used for tracking registrations to profile's extensions events. | 98 // Used for tracking registrations to profile's extensions events. |
| 100 content::NotificationRegistrar registrar_; | 99 content::NotificationRegistrar registrar_; |
| 101 | 100 |
| 102 DISALLOW_COPY_AND_ASSIGN(LocationManager); | 101 DISALLOW_COPY_AND_ASSIGN(LocationManager); |
| 103 }; | 102 }; |
| 104 | 103 |
| 105 } // namespace extensions | 104 } // namespace extensions |
| 106 | 105 |
| 107 #endif // CHROME_BROWSER_EXTENSIONS_API_LOCATION_LOCATION_MANAGER_H_ | 106 #endif // CHROME_BROWSER_EXTENSIONS_API_LOCATION_LOCATION_MANAGER_H_ |
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