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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/geolocation/win7_location_provider_win.h" | 5 #include "content/browser/geolocation/win7_location_provider_win.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <cmath> | 8 #include <cmath> |
| 9 | 9 |
| 10 #include "base/bind.h" | 10 #include "base/bind.h" |
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| 68 | 68 |
| 69 void Win7LocationProvider::GetPosition(Geoposition* position) { | 69 void Win7LocationProvider::GetPosition(Geoposition* position) { |
| 70 DCHECK(position); | 70 DCHECK(position); |
| 71 *position = position_; | 71 *position = position_; |
| 72 } | 72 } |
| 73 | 73 |
| 74 void Win7LocationProvider::UpdatePosition() { | 74 void Win7LocationProvider::UpdatePosition() { |
| 75 ScheduleNextPoll(0); | 75 ScheduleNextPoll(0); |
| 76 } | 76 } |
| 77 | 77 |
| 78 void Win7LocationProvider::OnPermissionGranted( | |
| 79 const GURL& requesting_frame) { | |
| 80 } | |
| 81 | |
| 82 void Win7LocationProvider::DoPollTask() { | 78 void Win7LocationProvider::DoPollTask() { |
| 83 Geoposition new_position; | 79 Geoposition new_position; |
| 84 api_->GetPosition(&new_position); | 80 api_->GetPosition(&new_position); |
| 85 const bool differ = PositionsDifferSiginificantly(position_, new_position); | 81 const bool differ = PositionsDifferSiginificantly(position_, new_position); |
| 86 ScheduleNextPoll(differ ? kPollPeriodMovingMillis : | 82 ScheduleNextPoll(differ ? kPollPeriodMovingMillis : |
| 87 kPollPeriodStationaryMillis); | 83 kPollPeriodStationaryMillis); |
| 88 if (differ || new_position.error_code != Geoposition::ERROR_CODE_NONE) { | 84 if (differ || new_position.error_code != Geoposition::ERROR_CODE_NONE) { |
| 89 // Update if the new location is interesting or we have an error to report | 85 // Update if the new location is interesting or we have an error to report |
| 90 position_ = new_position; | 86 position_ = new_position; |
| 91 UpdateListeners(); | 87 UpdateListeners(); |
| 92 } | 88 } |
| 93 } | 89 } |
| 94 | 90 |
| 95 void Win7LocationProvider::ScheduleNextPoll(int interval) { | 91 void Win7LocationProvider::ScheduleNextPoll(int interval) { |
| 96 MessageLoop::current()->PostDelayedTask( | 92 MessageLoop::current()->PostDelayedTask( |
| 97 FROM_HERE, | 93 FROM_HERE, |
| 98 base::Bind(&Win7LocationProvider::DoPollTask, weak_factory_.GetWeakPtr()), | 94 base::Bind(&Win7LocationProvider::DoPollTask, weak_factory_.GetWeakPtr()), |
| 99 base::TimeDelta::FromMilliseconds(interval)); | 95 base::TimeDelta::FromMilliseconds(interval)); |
| 100 } | 96 } |
| 101 | 97 |
| 102 LocationProviderBase* NewSystemLocationProvider() { | 98 LocationProviderBase* NewSystemLocationProvider() { |
| 103 Win7LocationApi* api = Win7LocationApi::Create(); | 99 Win7LocationApi* api = Win7LocationApi::Create(); |
| 104 if (api == NULL) | 100 if (api == NULL) |
| 105 return NULL; // API not supported on this machine. | 101 return NULL; // API not supported on this machine. |
| 106 return new Win7LocationProvider(api); | 102 return new Win7LocationProvider(api); |
| 107 } | 103 } |
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