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