Geolocation: delete GpsLocationProvider and third_party/gpsd/

content/browser/geolocation/gps_location_provider_linux.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// This file declares GPS providers that run on linux. Currently, just uses
-// the libgps (gpsd) API. Public for testing only - for normal usage this
-// header should not be required, as location_provider.h declares the needed
-// factory function.
-
-#ifndef CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_
-#define CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_
-
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "content/browser/geolocation/location_provider_base.h"
-#include "content/common/content_export.h"
-#include "content/public/common/geoposition.h"
-
-#if defined(USE_LIBGPS)
-#include "library_loaders/libgps.h"
-#endif
-
-struct gps_data_t;
-
-namespace content {
-
-// Defines a wrapper around the C libgps API (gps.h). Similar to the libgpsmm.h
-// API provided by that package.
-class CONTENT_EXPORT LibGps {
- public:
-  virtual ~LibGps();
-  // Attempts to dynamically load the libgps.so library and returns NULL on
-  // failure.
-  static LibGps* New();
-
-  bool Start();
-  void Stop();
-  bool Read(content::Geoposition* position);
-
- protected:
-  LibGps();
-
-  // Returns false if there is no fix available.
-  virtual bool GetPositionIfFixed(content::Geoposition* position);
-
-#if defined(USE_LIBGPS)
-  LibGpsLoader libgps_loader_;
-
-  scoped_ptr<gps_data_t> gps_data_;
-  bool is_open_;
-#endif  // defined(USE_LIBGPS)
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(LibGps);
-};
-
-// Location provider for Linux, that uses libgps/gpsd to obtain position fixes.
-class CONTENT_EXPORT GpsLocationProviderLinux : public LocationProviderBase {
- public:
-  typedef LibGps* (*LibGpsFactory)();
-  // |factory| will be used to create the gpsd client library wrapper. (Note
-  // NewSystemLocationProvider() will use the default factory).
-  explicit GpsLocationProviderLinux(LibGpsFactory libgps_factory);
-  virtual ~GpsLocationProviderLinux();
-
-  void SetGpsdReconnectIntervalMillis(int value) {
-    gpsd_reconnect_interval_millis_ = value;
-  }
-  void SetPollPeriodMovingMillis(int value) {
-    poll_period_moving_millis_ = value;
-  }
-  void SetPollPeriodStationaryMillis(int value) {
-    poll_period_stationary_millis_ = value;
-  }
-
-  // LocationProvider
-  virtual bool StartProvider(bool high_accuracy) OVERRIDE;
-  virtual void StopProvider() OVERRIDE;
-  virtual void GetPosition(Geoposition* position) OVERRIDE;
-  virtual void RequestRefresh() OVERRIDE;
-  virtual void OnPermissionGranted() OVERRIDE;
-
- private:
-  // Task which run in the child thread.
-  void DoGpsPollTask();
-
-  // Will schedule a poll; i.e. enqueue DoGpsPollTask deferred task.
-  void ScheduleNextGpsPoll(int interval);
-
-  int gpsd_reconnect_interval_millis_;
-  int poll_period_moving_millis_;
-  int poll_period_stationary_millis_;
-
-  const LibGpsFactory libgps_factory_;
-  scoped_ptr<LibGps> gps_;
-  Geoposition position_;
-
-  // Holder for the tasks which run on the thread; takes care of cleanup.
-  base::WeakPtrFactory<GpsLocationProviderLinux> weak_factory_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_GEOLOCATION_GPS_LOCATION_PROVIDER_LINUX_H_