Move core pieces of geolocation from chrome to content....

chrome/browser/geolocation/wifi_data_provider_chromeos.cc

-// 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.
-
-// Provides wifi scan API binding for chromeos, using proprietary APIs.
-
-#include "chrome/browser/geolocation/wifi_data_provider_chromeos.h"
-
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/chromeos/cros/cros_library.h"
-#include "chrome/browser/chromeos/cros/network_library.h"
-
-namespace {
-// The time periods between successive polls of the wifi data.
-const int kDefaultPollingIntervalMilliseconds = 10 * 1000;  // 10s
-const int kNoChangePollingIntervalMilliseconds = 2 * 60 * 1000;  // 2 mins
-const int kTwoNoChangePollingIntervalMilliseconds = 10 * 60 * 1000;  // 10 mins
-const int kNoWifiPollingIntervalMilliseconds = 20 * 1000; // 20s
-}
-
-namespace chromeos {
-namespace {
-// Wifi API binding to network_library.h, to allow reuse of the polling behavior
-// defined in WifiDataProviderCommon.
-class NetworkLibraryWlanApi : public WifiDataProviderCommon::WlanApiInterface {
- public:
-  // Does not transfer ownership, |lib| must remain valid for lifetime of
-  // this object.
-  explicit NetworkLibraryWlanApi(NetworkLibrary* lib);
-  ~NetworkLibraryWlanApi();
-
-  // WifiDataProviderCommon::WlanApiInterface
-  bool GetAccessPointData(WifiData::AccessPointDataSet* data);
-
- private:
-  NetworkLibrary* network_library_;
-
-  DISALLOW_COPY_AND_ASSIGN(NetworkLibraryWlanApi);
-};
-
-NetworkLibraryWlanApi::NetworkLibraryWlanApi(NetworkLibrary* lib)
-    : network_library_(lib) {
-  DCHECK(network_library_ != NULL);
-}
-
-NetworkLibraryWlanApi::~NetworkLibraryWlanApi() {
-}
-
-bool NetworkLibraryWlanApi::GetAccessPointData(
-    WifiData::AccessPointDataSet* result) {
-  WifiAccessPointVector access_points;
-  if (!network_library_->GetWifiAccessPoints(&access_points))
-    return false;
-  for (WifiAccessPointVector::const_iterator i = access_points.begin();
-       i != access_points.end(); ++i) {
-    AccessPointData ap_data;
-    ap_data.mac_address = ASCIIToUTF16(i->mac_address);
-    ap_data.radio_signal_strength = i->signal_strength;
-    ap_data.channel = i->channel;
-    ap_data.signal_to_noise = i->signal_to_noise;
-    ap_data.ssid = UTF8ToUTF16(i->name);
-    result->insert(ap_data);
-  }
-  return !result->empty() || network_library_->wifi_enabled();
-}
-
-}  // namespace
-}  // namespace chromeos
-
-template<>
-WifiDataProviderImplBase* WifiDataProvider::DefaultFactoryFunction() {
-  return new WifiDataProviderChromeOs();
-}
-
-WifiDataProviderChromeOs::WifiDataProviderChromeOs() {
-}
-
-WifiDataProviderChromeOs::~WifiDataProviderChromeOs() {
-}
-
-WifiDataProviderCommon::WlanApiInterface*
-    WifiDataProviderChromeOs::NewWlanApi(chromeos::NetworkLibrary* lib) {
-  return new chromeos::NetworkLibraryWlanApi(lib);
-}
-
-WifiDataProviderCommon::WlanApiInterface*
-    WifiDataProviderChromeOs::NewWlanApi() {
-  chromeos::CrosLibrary* cros_lib = chromeos::CrosLibrary::Get();
-  DCHECK(cros_lib);
-  if (!cros_lib->EnsureLoaded())
-    return NULL;
-  return NewWlanApi(cros_lib->GetNetworkLibrary());
-}
-
-PollingPolicyInterface* WifiDataProviderChromeOs::NewPollingPolicy() {
-  return new GenericPollingPolicy<kDefaultPollingIntervalMilliseconds,
-                                  kNoChangePollingIntervalMilliseconds,
-                                  kTwoNoChangePollingIntervalMilliseconds,
-                                  kNoWifiPollingIntervalMilliseconds>;
-}