Refactor the state-machine & threading out of the windows wifi provider into ...

chrome/browser/geolocation/wifi_data_provider_win.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_WIN_H_
 #define CHROME_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_WIN_H_
 
-#include "base/task.h"
-#include "base/thread.h"
-#include "chrome/browser/geolocation/device_data_provider.h"
+#include "chrome/browser/geolocation/wifi_data_provider_common.h"
 
 class PollingPolicyInterface;
 
-class Win32WifiDataProvider
-    : public WifiDataProviderImplBase,
-      private base::Thread {
+class Win32WifiDataProvider : public WifiDataProviderCommon {
  public:
-  // Interface to abstract the low level data OS library call, and to allow
-  // mocking (hence public).
-  class WlanApiInterface {
-   public:
-    virtual ~WlanApiInterface() {}
-    // Gets wifi data for all visible access points.
-    virtual bool GetAccessPointData(WifiData::AccessPointDataSet *data) = 0;
-  };
-
   Win32WifiDataProvider();
 
-  // Takes ownership of wlan_api. Must be called before Start().
-  void inject_mock_wlan_api(WlanApiInterface* wlan_api);
-
-  // Takes ownership of polic. Must be called before Start().
-  void inject_mock_polling_policy(PollingPolicyInterface* policy);
-
-  // WifiDataProviderImplBase implementation
-  virtual bool StartDataProvider();
-  virtual void StopDataProvider();
-  virtual bool GetData(WifiData *data);
-
  private:
   virtual ~Win32WifiDataProvider();
 
-  // Thread implementation
-  virtual void Init();
-  virtual void CleanUp();
-
-  // Task which run in the child thread.
-  void DoWifiScanTask();
-
-  // Will schedule a scan; i.e. enqueue DoWifiScanTask deferred task.
-  void ScheduleNextScan();
-
-  WifiData wifi_data_;
-  Lock data_mutex_;
-
-  // Whether we've successfully completed a scan for WiFi data (or the polling
-  // thread has terminated early).
-  bool is_first_scan_complete_;
-
-  // Underlying OS wifi API.
-  scoped_ptr<WlanApiInterface> wlan_api_;
-
-  // Controls the polling update interval.
-  scoped_ptr<PollingPolicyInterface> polling_policy_;
-
-  // Holder for the tasks which run on the thread; takes care of cleanup.
-  ScopedRunnableMethodFactory<Win32WifiDataProvider> task_factory_;
+  // WifiDataProviderCommon
+  virtual WlanApiInterface* NewWlanApi();
+  virtual PollingPolicyInterface* NewPolicyPolicy();
 
   DISALLOW_COPY_AND_ASSIGN(Win32WifiDataProvider);
 };
 
 #endif  // CHROME_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_WIN_H_