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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_IMPL_H_ | 5 #ifndef CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_IMPL_H_ |
| 6 #define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_IMPL_H_ | 6 #define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_IMPL_H_ |
| 7 | 7 |
| 8 #include <list> | 8 #include <list> |
| 9 #include <memory> |
| 9 #include <vector> | 10 #include <vector> |
| 10 | 11 |
| 11 #include "base/callback_forward.h" | 12 #include "base/callback_forward.h" |
| 12 #include "base/compiler_specific.h" | 13 #include "base/compiler_specific.h" |
| 13 #include "base/macros.h" | 14 #include "base/macros.h" |
| 14 #include "base/memory/scoped_ptr.h" | |
| 15 #include "base/threading/thread.h" | 15 #include "base/threading/thread.h" |
| 16 #include "content/common/content_export.h" | 16 #include "content/common/content_export.h" |
| 17 #include "content/public/browser/geolocation_provider.h" | 17 #include "content/public/browser/geolocation_provider.h" |
| 18 #include "content/public/common/geoposition.h" | 18 #include "content/public/common/geoposition.h" |
| 19 | 19 |
| 20 namespace base { | 20 namespace base { |
| 21 template<typename Type> struct DefaultSingletonTraits; | 21 template<typename Type> struct DefaultSingletonTraits; |
| 22 } | 22 } |
| 23 | 23 |
| 24 namespace content { | 24 namespace content { |
| 25 class LocationArbitrator; | 25 class LocationArbitrator; |
| 26 | 26 |
| 27 class CONTENT_EXPORT GeolocationProviderImpl | 27 class CONTENT_EXPORT GeolocationProviderImpl |
| 28 : public NON_EXPORTED_BASE(GeolocationProvider), | 28 : public NON_EXPORTED_BASE(GeolocationProvider), |
| 29 public base::Thread { | 29 public base::Thread { |
| 30 public: | 30 public: |
| 31 // GeolocationProvider implementation: | 31 // GeolocationProvider implementation: |
| 32 scoped_ptr<GeolocationProvider::Subscription> AddLocationUpdateCallback( | 32 std::unique_ptr<GeolocationProvider::Subscription> AddLocationUpdateCallback( |
| 33 const LocationUpdateCallback& callback, | 33 const LocationUpdateCallback& callback, |
| 34 bool enable_high_accuracy) override; | 34 bool enable_high_accuracy) override; |
| 35 void UserDidOptIntoLocationServices() override; | 35 void UserDidOptIntoLocationServices() override; |
| 36 void OverrideLocationForTesting(const Geoposition& position) override; | 36 void OverrideLocationForTesting(const Geoposition& position) override; |
| 37 | 37 |
| 38 // Callback from the LocationArbitrator. Public for testing. | 38 // Callback from the LocationArbitrator. Public for testing. |
| 39 void OnLocationUpdate(const Geoposition& position); | 39 void OnLocationUpdate(const Geoposition& position); |
| 40 | 40 |
| 41 // Gets a pointer to the singleton instance of the location relayer, which | 41 // Gets a pointer to the singleton instance of the location relayer, which |
| 42 // is in turn bound to the browser's global context objects. This must only be | 42 // is in turn bound to the browser's global context objects. This must only be |
| 43 // called on the UI thread so that the GeolocationProviderImpl is always | 43 // called on the UI thread so that the GeolocationProviderImpl is always |
| 44 // instantiated on the same thread. Ownership is NOT returned. | 44 // instantiated on the same thread. Ownership is NOT returned. |
| 45 static GeolocationProviderImpl* GetInstance(); | 45 static GeolocationProviderImpl* GetInstance(); |
| 46 | 46 |
| 47 bool user_did_opt_into_location_services_for_testing() { | 47 bool user_did_opt_into_location_services_for_testing() { |
| 48 return user_did_opt_into_location_services_; | 48 return user_did_opt_into_location_services_; |
| 49 } | 49 } |
| 50 | 50 |
| 51 protected: | 51 protected: |
| 52 friend struct base::DefaultSingletonTraits<GeolocationProviderImpl>; | 52 friend struct base::DefaultSingletonTraits<GeolocationProviderImpl>; |
| 53 GeolocationProviderImpl(); | 53 GeolocationProviderImpl(); |
| 54 ~GeolocationProviderImpl() override; | 54 ~GeolocationProviderImpl() override; |
| 55 | 55 |
| 56 // Useful for injecting mock geolocation arbitrator in tests. | 56 // Useful for injecting mock geolocation arbitrator in tests. |
| 57 // TODO(mvanouwerkerk): Use something like SetArbitratorForTesting instead. | 57 // TODO(mvanouwerkerk): Use something like SetArbitratorForTesting instead. |
| 58 virtual scoped_ptr<LocationArbitrator> CreateArbitrator(); | 58 virtual std::unique_ptr<LocationArbitrator> CreateArbitrator(); |
| 59 | 59 |
| 60 private: | 60 private: |
| 61 bool OnGeolocationThread() const; | 61 bool OnGeolocationThread() const; |
| 62 | 62 |
| 63 // Start and stop providers as needed when clients are added or removed. | 63 // Start and stop providers as needed when clients are added or removed. |
| 64 void OnClientsChanged(); | 64 void OnClientsChanged(); |
| 65 | 65 |
| 66 // Stops the providers when there are no more registered clients. Note that | 66 // Stops the providers when there are no more registered clients. Note that |
| 67 // once the Geolocation thread is started, it will stay alive (but sitting | 67 // once the Geolocation thread is started, it will stay alive (but sitting |
| 68 // idle without any pending messages). | 68 // idle without any pending messages). |
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| 85 base::CallbackList<void(const Geoposition&)> high_accuracy_callbacks_; | 85 base::CallbackList<void(const Geoposition&)> high_accuracy_callbacks_; |
| 86 base::CallbackList<void(const Geoposition&)> low_accuracy_callbacks_; | 86 base::CallbackList<void(const Geoposition&)> low_accuracy_callbacks_; |
| 87 | 87 |
| 88 bool user_did_opt_into_location_services_; | 88 bool user_did_opt_into_location_services_; |
| 89 Geoposition position_; | 89 Geoposition position_; |
| 90 | 90 |
| 91 // True only in testing, where we want to use a custom position. | 91 // True only in testing, where we want to use a custom position. |
| 92 bool ignore_location_updates_; | 92 bool ignore_location_updates_; |
| 93 | 93 |
| 94 // Only to be used on the geolocation thread. | 94 // Only to be used on the geolocation thread. |
| 95 scoped_ptr<LocationArbitrator> arbitrator_; | 95 std::unique_ptr<LocationArbitrator> arbitrator_; |
| 96 | 96 |
| 97 DISALLOW_COPY_AND_ASSIGN(GeolocationProviderImpl); | 97 DISALLOW_COPY_AND_ASSIGN(GeolocationProviderImpl); |
| 98 }; | 98 }; |
| 99 | 99 |
| 100 } // namespace content | 100 } // namespace content |
| 101 | 101 |
| 102 #endif // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_IMPL_H_ | 102 #endif // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_PROVIDER_IMPL_H_ |
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