content/browser/geolocation/wifi_data_provider_chromeos.h

   1 // Copyright (c) 2011 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_WIFI_DATA_PROVIDER_CHROMEOS_H_
   6 #define CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_CHROMEOS_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "content/browser/geolocation/wifi_data_provider.h"
  10 #include "content/browser/geolocation/wifi_polling_policy.h"
  11
  12 namespace content {
  13
  14 class CONTENT_EXPORT WifiDataProviderChromeOs
  15     : public WifiDataProviderImplBase {
  16  public:
  17   WifiDataProviderChromeOs();
  18
  19   // WifiDataProviderImplBase
  20   virtual void StartDataProvider() OVERRIDE;
  21   virtual void StopDataProvider() OVERRIDE;
  22   virtual bool GetData(WifiData* data) OVERRIDE;
  23
  24  private:
  25   friend class GeolocationChromeOsWifiDataProviderTest;
  26   virtual ~WifiDataProviderChromeOs();
  27
  28   // UI thread
  29   void DoWifiScanTaskOnUIThread();  // The polling task
  30   void DoStartTaskOnUIThread();
  31
  32   // Client thread
  33   void DidWifiScanTaskNoResults();
  34   void DidWifiScanTask(const WifiData& new_data);
  35
  36   // Will schedule a scan; i.e. enqueue DoWifiScanTask deferred task.
  37   void ScheduleNextScan(int interval);
  38
  39   // Will schedule starting of the scanning process.
  40   void ScheduleStart();
  41
  42   // Will schedule stopping of the scanning process.
  43   void ScheduleStop();
  44
  45   // Get access point data from chromeos.
  46   bool GetAccessPointData(WifiData::AccessPointDataSet* data);
  47
  48   // Controls the polling update interval. (client thread)
  49   scoped_ptr<WifiPollingPolicy> polling_policy_;
  50
  51   // The latest wifi data. (client thread)
  52   WifiData wifi_data_;
  53
  54   // Whether we have strated the data provider. (client thread)
  55   bool started_;
  56
  57   // Whether we've successfully completed a scan for WiFi data. (client thread)
  58   bool is_first_scan_complete_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(WifiDataProviderChromeOs);
  61 };
  62
  63 }  // namespace content
  64
  65 #endif  // CONTENT_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_CHROMEOS_H_