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Side by Side Diff: content/browser/geolocation/gps_location_provider_linux.h

Issue 10316007: Make the Geoposition helper class public (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Fix forward-declaration of struct as class. Created 8 years, 7 months ago
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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 // This file declares GPS providers that run on linux. Currently, just uses 5 // This file declares GPS providers that run on linux. Currently, just uses
6 // the libgps (gpsd) API. Public for testing only - for normal usage this 6 // the libgps (gpsd) API. Public for testing only - for normal usage this
7 // header should not be required, as location_provider.h declares the needed 7 // header should not be required, as location_provider.h declares the needed
8 // factory function. 8 // factory function.
9 9
10 #ifndef CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_ 10 #ifndef CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_
11 #define CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_ 11 #define CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_
12 #pragma once 12 #pragma once
13 13
14 #include "base/compiler_specific.h" 14 #include "base/compiler_specific.h"
15 #include "base/memory/scoped_ptr.h" 15 #include "base/memory/scoped_ptr.h"
16 #include "base/memory/weak_ptr.h" 16 #include "base/memory/weak_ptr.h"
17 #include "content/browser/geolocation/location_provider.h" 17 #include "content/browser/geolocation/location_provider.h"
18 #include "content/common/content_export.h" 18 #include "content/common/content_export.h"
19 #include "content/common/geoposition.h" 19 #include "content/public/common/geoposition.h"
20 20
21 class LibGps; 21 class LibGps;
22 22
23 // Location provider for Linux, that uses libgps/gpsd to obtain position fixes. 23 // Location provider for Linux, that uses libgps/gpsd to obtain position fixes.
24 // TODO(joth): Currently this runs entirely in the client thread (i.e. Chrome's 24 // TODO(joth): Currently this runs entirely in the client thread (i.e. Chrome's
25 // IO thread). As the older libgps API is not designed to support polling, 25 // IO thread). As the older libgps API is not designed to support polling,
26 // there's a chance it could block, so better move this into its own worker 26 // there's a chance it could block, so better move this into its own worker
27 // thread. 27 // thread.
28 class CONTENT_EXPORT GpsLocationProviderLinux : public LocationProviderBase { 28 class CONTENT_EXPORT GpsLocationProviderLinux : public LocationProviderBase {
29 public: 29 public:
30 typedef LibGps* (*LibGpsFactory)(); 30 typedef LibGps* (*LibGpsFactory)();
31 // |factory| will be used to create the gpsd client library wrapper. (Note 31 // |factory| will be used to create the gpsd client library wrapper. (Note
32 // NewSystemLocationProvider() will use the default factory). 32 // NewSystemLocationProvider() will use the default factory).
33 explicit GpsLocationProviderLinux(LibGpsFactory libgps_factory); 33 explicit GpsLocationProviderLinux(LibGpsFactory libgps_factory);
34 virtual ~GpsLocationProviderLinux(); 34 virtual ~GpsLocationProviderLinux();
35 35
36 void SetGpsdReconnectIntervalMillis(int value) { 36 void SetGpsdReconnectIntervalMillis(int value) {
37 gpsd_reconnect_interval_millis_ = value; 37 gpsd_reconnect_interval_millis_ = value;
38 } 38 }
39 void SetPollPeriodMovingMillis(int value) { 39 void SetPollPeriodMovingMillis(int value) {
40 poll_period_moving_millis_ = value; 40 poll_period_moving_millis_ = value;
41 } 41 }
42 void SetPollPeriodStationaryMillis(int value) { 42 void SetPollPeriodStationaryMillis(int value) {
43 poll_period_stationary_millis_ = value; 43 poll_period_stationary_millis_ = value;
44 } 44 }
45 45
46 // LocationProvider 46 // LocationProvider
47 virtual bool StartProvider(bool high_accuracy) OVERRIDE; 47 virtual bool StartProvider(bool high_accuracy) OVERRIDE;
48 virtual void StopProvider() OVERRIDE; 48 virtual void StopProvider() OVERRIDE;
49 virtual void GetPosition(Geoposition* position) OVERRIDE; 49 virtual void GetPosition(content::Geoposition* position) OVERRIDE;
50 virtual void UpdatePosition() OVERRIDE; 50 virtual void UpdatePosition() OVERRIDE;
51 51
52 private: 52 private:
53 // Task which run in the child thread. 53 // Task which run in the child thread.
54 void DoGpsPollTask(); 54 void DoGpsPollTask();
55 55
56 // Will schedule a poll; i.e. enqueue DoGpsPollTask deferred task. 56 // Will schedule a poll; i.e. enqueue DoGpsPollTask deferred task.
57 void ScheduleNextGpsPoll(int interval); 57 void ScheduleNextGpsPoll(int interval);
58 58
59 int gpsd_reconnect_interval_millis_; 59 int gpsd_reconnect_interval_millis_;
60 int poll_period_moving_millis_; 60 int poll_period_moving_millis_;
61 int poll_period_stationary_millis_; 61 int poll_period_stationary_millis_;
62 62
63 const LibGpsFactory libgps_factory_; 63 const LibGpsFactory libgps_factory_;
64 scoped_ptr<LibGps> gps_; 64 scoped_ptr<LibGps> gps_;
65 Geoposition position_; 65 content::Geoposition position_;
66 66
67 // Holder for the tasks which run on the thread; takes care of cleanup. 67 // Holder for the tasks which run on the thread; takes care of cleanup.
68 base::WeakPtrFactory<GpsLocationProviderLinux> weak_factory_; 68 base::WeakPtrFactory<GpsLocationProviderLinux> weak_factory_;
69 }; 69 };
70 70
71 #endif // CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_ 71 #endif // CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_
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