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1 // Copyright 2014 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 CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_SERVICE_CONTEXT_H_ | |
6 #define CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_SERVICE_CONTEXT_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "base/memory/scoped_vector.h" | |
10 #include "content/browser/geolocation/geolocation_service_impl.h" | |
11 #include "third_party/WebKit/public/platform/modules/geolocation/geolocation.moj
om.h" | |
12 | |
13 namespace content { | |
14 | |
15 // Provides information to a set of GeolocationServiceImpl instances that are | |
16 // associated with a given context. Notably, allows pausing and resuming | |
17 // geolocation on these instances. | |
18 class GeolocationServiceContext { | |
19 public: | |
20 GeolocationServiceContext(); | |
21 virtual ~GeolocationServiceContext(); | |
22 | |
23 // Creates a GeolocationServiceImpl that is weakly bound to |request|. | |
24 // |update_callback| will be called when services send | |
25 // location updates to their clients. | |
26 void CreateService( | |
27 const base::Closure& update_callback, | |
28 mojo::InterfaceRequest<blink::mojom::GeolocationService> request); | |
29 | |
30 // Called when a service has a connection error. After this call, it is no | |
31 // longer safe to access |service|. | |
32 void ServiceHadConnectionError(GeolocationServiceImpl* service); | |
33 | |
34 // Pauses and resumes geolocation. Resuming when nothing is paused is a | |
35 // no-op. If a service is added while geolocation is paused, that service | |
36 // will not get geolocation updates until geolocation is resumed. | |
37 void PauseUpdates(); | |
38 void ResumeUpdates(); | |
39 | |
40 // Returns whether geolocation updates are currently paused. | |
41 bool paused() { return paused_; } | |
42 | |
43 // Enables geolocation override. This method can be used to trigger possible | |
44 // location-specific behavior in a particular context. | |
45 void SetOverride(std::unique_ptr<Geoposition> geoposition); | |
46 | |
47 // Disables geolocation override. | |
48 void ClearOverride(); | |
49 | |
50 private: | |
51 ScopedVector<GeolocationServiceImpl> services_; | |
52 bool paused_; | |
53 | |
54 std::unique_ptr<Geoposition> geoposition_override_; | |
55 | |
56 DISALLOW_COPY_AND_ASSIGN(GeolocationServiceContext); | |
57 }; | |
58 | |
59 } // namespace content | |
60 | |
61 #endif // CONTENT_BROWSER_GEOLOCATION_GEOLOCATION_SERVICE_CONTEXT_H_ | |
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