Index: content/browser/geolocation/win7_location_provider_win.cc |
diff --git a/content/browser/geolocation/win7_location_provider_win.cc b/content/browser/geolocation/win7_location_provider_win.cc |
deleted file mode 100644 |
index fa7a2277bad14623e05a50f0367a8f6424ae140c..0000000000000000000000000000000000000000 |
--- a/content/browser/geolocation/win7_location_provider_win.cc |
+++ /dev/null |
@@ -1,110 +0,0 @@ |
-// Copyright (c) 2012 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. |
- |
-#include "content/browser/geolocation/win7_location_provider_win.h" |
- |
-#include <algorithm> |
-#include <cmath> |
- |
-#include "base/bind.h" |
-#include "base/compiler_specific.h" |
-#include "base/logging.h" |
-#include "base/message_loop/message_loop.h" |
- |
-namespace content { |
-namespace { |
- |
-const int kPollPeriodMovingMillis = 500; |
-// Poll less frequently whilst stationary. |
-const int kPollPeriodStationaryMillis = kPollPeriodMovingMillis * 3; |
-// Reading must differ by more than this amount to be considered movement. |
-const int kMovementThresholdMeters = 20; |
- |
-// This algorithm is reused from the corresponding code in the Gears project |
-// and is also used in gps_location_provider_linux.cc |
-// The arbitrary delta is decreased (Gears used 100 meters); if we need to |
-// decrease it any further we'll likely want to do some smarter filtering to |
-// remove GPS location jitter noise. |
-bool PositionsDifferSiginificantly(const Geoposition& position_1, |
- const Geoposition& position_2) { |
- const bool pos_1_valid = position_1.Validate(); |
- if (pos_1_valid != position_2.Validate()) |
- return true; |
- if (!pos_1_valid) { |
- DCHECK(!position_2.Validate()); |
- return false; |
- } |
- double delta = std::sqrt( |
- std::pow(std::fabs(position_1.latitude - position_2.latitude), 2) + |
- std::pow(std::fabs(position_1.longitude - position_2.longitude), 2)); |
- // Convert to meters. 1 minute of arc of latitude (or longitude at the |
- // equator) is 1 nautical mile or 1852m. |
- delta *= 60 * 1852; |
- return delta > kMovementThresholdMeters; |
-} |
-} |
- |
-Win7LocationProvider::Win7LocationProvider(Win7LocationApi* api) |
- : weak_factory_(this) { |
- DCHECK(api != NULL); |
- api_.reset(api); |
-} |
- |
-Win7LocationProvider::~Win7LocationProvider() { |
- api_.reset(); |
-} |
- |
-bool Win7LocationProvider::StartProvider(bool high_accuracy){ |
- if (api_ == NULL) |
- return false; |
- api_->SetHighAccuracy(high_accuracy); |
- if (!weak_factory_.HasWeakPtrs()) |
- ScheduleNextPoll(0); |
- return true; |
-} |
- |
-void Win7LocationProvider::StopProvider() { |
- weak_factory_.InvalidateWeakPtrs(); |
-} |
- |
-void Win7LocationProvider::GetPosition(Geoposition* position) { |
- DCHECK(position); |
- *position = position_; |
-} |
- |
-void Win7LocationProvider::RequestRefresh() { |
- ScheduleNextPoll(0); |
-} |
- |
-void Win7LocationProvider::OnPermissionGranted() { |
-} |
- |
-void Win7LocationProvider::DoPollTask() { |
- Geoposition new_position; |
- api_->GetPosition(&new_position); |
- const bool differ = PositionsDifferSiginificantly(position_, new_position); |
- ScheduleNextPoll(differ ? kPollPeriodMovingMillis : |
- kPollPeriodStationaryMillis); |
- if (differ || new_position.error_code != Geoposition::ERROR_CODE_NONE) { |
- // Update if the new location is interesting or we have an error to report |
- position_ = new_position; |
- NotifyCallback(position_); |
- } |
-} |
- |
-void Win7LocationProvider::ScheduleNextPoll(int interval) { |
- base::MessageLoop::current()->PostDelayedTask( |
- FROM_HERE, |
- base::Bind(&Win7LocationProvider::DoPollTask, weak_factory_.GetWeakPtr()), |
- base::TimeDelta::FromMilliseconds(interval)); |
-} |
- |
-LocationProvider* NewSystemLocationProvider() { |
bulach
2013/08/09 13:04:13
bots are complaining about this, needs to be defin
Michael van Ouwerkerk
2013/08/09 13:05:24
Done.
|
- Win7LocationApi* api = Win7LocationApi::Create(); |
- if (api == NULL) |
- return NULL; // API not supported on this machine. |
- return new Win7LocationProvider(api); |
-} |
- |
-} // namespace content |