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// 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"
class PollingPolicyInterface;
class Win32WifiDataProvider
: public WifiDataProviderImplBase,
private base::Thread {
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();
virtual ~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 bool GetData(WifiData *data);
private:
// Thread implementation
virtual void Init();
// Called just after the message loop ends
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_;
DISALLOW_COPY_AND_ASSIGN(Win32WifiDataProvider);
};
#endif // CHROME_BROWSER_GEOLOCATION_WIFI_DATA_PROVIDER_WIN_H_
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