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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "blimp/engine/feature/geolocation/engine_geolocation_feature.h" | |
| 6 | |
| 7 #include <memory> | |
| 8 #include <utility> | |
| 9 | |
| 10 #include "base/memory/ptr_util.h" | |
| 11 #include "base/memory/weak_ptr.h" | |
| 12 #include "base/threading/thread_task_runner_handle.h" | |
| 13 #include "blimp/common/create_blimp_message.h" | |
| 14 #include "blimp/common/proto/blimp_message.pb.h" | |
| 15 #include "blimp/common/proto/geolocation.pb.h" | |
| 16 #include "device/geolocation/geolocation_delegate.h" | |
| 17 #include "device/geolocation/location_provider.h" | |
| 18 #include "device/geolocation/geoposition.h" | |
| 19 #include "net/base/net_errors.h" | |
| 20 | |
| 21 namespace blimp { | |
| 22 namespace engine { | |
| 23 namespace { | |
| 24 | |
| 25 class BlimpGeolocationDelegate : public device::GeolocationDelegate { | |
| 26 public: | |
| 27 explicit BlimpGeolocationDelegate( | |
| 28 base::WeakPtr<BlimpLocationProvider::Delegate> feature_delegate) { | |
| 29 feature_delegate_ = feature_delegate; | |
| 30 feature_task_runner_ = base::ThreadTaskRunnerHandle::Get(); | |
| 31 } | |
| 32 | |
| 33 bool UseNetworkLocationProviders() final { return false; } | |
| 34 | |
| 35 std::unique_ptr<device::LocationProvider> OverrideSystemLocationProvider() | |
| 36 final { | |
| 37 return base::MakeUnique<BlimpLocationProvider>(feature_delegate_, | |
| 38 feature_task_runner_); | |
| 39 } | |
| 40 | |
| 41 private: | |
| 42 base::WeakPtr<BlimpLocationProvider::Delegate> feature_delegate_; | |
| 43 scoped_refptr<base::SingleThreadTaskRunner> feature_task_runner_; | |
| 44 | |
| 45 DISALLOW_COPY_AND_ASSIGN(BlimpGeolocationDelegate); | |
| 46 }; | |
| 47 | |
| 48 device::Geoposition::ErrorCode ConvertErrorCode( | |
| 49 const GeolocationErrorMessage::ErrorCode& error_code) { | |
| 50 switch (error_code) { | |
| 51 case GeolocationErrorMessage::PERMISSION_DENIED: | |
| 52 return device::Geoposition::ErrorCode::ERROR_CODE_PERMISSION_DENIED; | |
| 53 case GeolocationErrorMessage::POSITION_UNAVAILABLE: | |
| 54 return device::Geoposition::ErrorCode::ERROR_CODE_POSITION_UNAVAILABLE; | |
| 55 case GeolocationErrorMessage::TIMEOUT: | |
| 56 return device::Geoposition::ErrorCode::ERROR_CODE_TIMEOUT; | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 device::Geoposition ConvertLocationMessage( | |
| 61 const GeolocationCoordinatesMessage& coordinates) { | |
| 62 device::Geoposition output; | |
| 63 output.latitude = coordinates.latitude(); | |
| 64 output.longitude = coordinates.longitude(); | |
| 65 output.altitude = coordinates.altitude(); | |
| 66 output.accuracy = coordinates.accuracy(); | |
| 67 output.altitude_accuracy = coordinates.altitude_accuracy(); | |
| 68 output.heading = coordinates.heading(); | |
| 69 output.speed = coordinates.speed(); | |
| 70 output.timestamp = base::Time::Now(); | |
| 71 output.error_code = device::Geoposition::ErrorCode::ERROR_CODE_NONE; | |
| 72 return output; | |
| 73 } | |
| 74 | |
| 75 } // namespace | |
| 76 | |
| 77 EngineGeolocationFeature::EngineGeolocationFeature() : weak_factory_(this) {} | |
| 78 | |
| 79 EngineGeolocationFeature::~EngineGeolocationFeature() {} | |
| 80 | |
| 81 void EngineGeolocationFeature::set_outgoing_message_processor( | |
| 82 std::unique_ptr<BlimpMessageProcessor> message_processor) { | |
| 83 DCHECK(message_processor); | |
| 84 outgoing_message_processor_ = std::move(message_processor); | |
| 85 } | |
| 86 | |
| 87 device::GeolocationDelegate* | |
| 88 EngineGeolocationFeature::CreateGeolocationDelegate() { | |
| 89 return new BlimpGeolocationDelegate(weak_factory_.GetWeakPtr()); | |
| 90 } | |
| 91 | |
| 92 void EngineGeolocationFeature::ProcessMessage( | |
| 93 std::unique_ptr<BlimpMessage> message, | |
| 94 const net::CompletionCallback& callback) { | |
| 95 DCHECK_EQ(BlimpMessage::kGeolocation, message->feature_case()); | |
| 96 | |
| 97 int result = net::OK; | |
| 98 const GeolocationMessage& geolocation_message = message->geolocation(); | |
| 99 switch (geolocation_message.type_case()) { | |
| 100 case GeolocationMessage::kCoordinates: { | |
| 101 const GeolocationCoordinatesMessage& location = | |
| 102 geolocation_message.coordinates(); | |
| 103 device::Geoposition output = ConvertLocationMessage(location); | |
| 104 NotifyCallback(output); | |
| 105 break; | |
| 106 } | |
| 107 case GeolocationMessage::kError: { | |
| 108 const GeolocationErrorMessage& error_message = | |
| 109 geolocation_message.error(); | |
| 110 device::Geoposition output; | |
| 111 output.error_message = error_message.error_message(); | |
| 112 output.error_code = ConvertErrorCode(error_message.error_code()); | |
| 113 NotifyCallback(output); | |
| 114 break; | |
| 115 } | |
| 116 case GeolocationMessage::kSetInterestLevel: | |
| 117 case GeolocationMessage::kRequestRefresh: | |
| 118 case GeolocationMessage::TYPE_NOT_SET: | |
| 119 result = net::ERR_UNEXPECTED; | |
| 120 } | |
| 121 if (!callback.is_null()) { | |
| 122 callback.Run(result); | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 void EngineGeolocationFeature::NotifyCallback( | |
| 127 const device::Geoposition& position) { | |
| 128 geoposition_received_callback_.Run(position); | |
| 129 } | |
| 130 | |
| 131 void EngineGeolocationFeature::RequestAccuracy( | |
| 132 GeolocationSetInterestLevelMessage::Level level) { | |
| 133 GeolocationMessage* geolocation_message = nullptr; | |
| 134 std::unique_ptr<BlimpMessage> blimp_message = | |
| 135 CreateBlimpMessage(&geolocation_message); | |
| 136 | |
| 137 GeolocationSetInterestLevelMessage* geolocation_interest = | |
| 138 geolocation_message->mutable_set_interest_level(); | |
| 139 geolocation_interest->set_level(level); | |
| 140 | |
| 141 outgoing_message_processor_->ProcessMessage(std::move(blimp_message), | |
| 142 net::CompletionCallback()); | |
| 143 } | |
| 144 | |
| 145 void EngineGeolocationFeature::OnPermissionGranted() { | |
| 146 GeolocationMessage* geolocation_message = nullptr; | |
| 147 std::unique_ptr<BlimpMessage> blimp_message = | |
| 148 CreateBlimpMessage(&geolocation_message); | |
| 149 | |
| 150 geolocation_message->mutable_request_refresh(); | |
| 151 | |
| 152 outgoing_message_processor_->ProcessMessage(std::move(blimp_message), | |
| 153 net::CompletionCallback()); | |
| 154 } | |
| 155 | |
| 156 void EngineGeolocationFeature::SetUpdateCallback( | |
| 157 const GeopositionReceivedCallback& callback) { | |
| 158 geoposition_received_callback_ = callback; | |
| 159 } | |
| 160 | |
| 161 } // namespace engine | |
| 162 } // namespace blimp | |
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