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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 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 "device/generic_sensor/sensor_provider_impl.h" | 5 #include "device/generic_sensor/sensor_provider_impl.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "device/generic_sensor/platform_sensor_provider.h" | 9 #include "device/generic_sensor/platform_sensor_provider.h" |
10 #include "device/generic_sensor/sensor_impl.h" | 10 #include "device/generic_sensor/sensor_impl.h" |
11 #include "mojo/public/cpp/bindings/strong_binding.h" | 11 #include "mojo/public/cpp/bindings/strong_binding.h" |
12 | 12 |
13 namespace device { | 13 namespace device { |
14 | 14 |
15 namespace { | 15 namespace { |
16 | 16 |
17 uint64_t GetBufferOffset(mojom::SensorType type) { | |
18 return (static_cast<uint64_t>(mojom::SensorType::LAST) - | |
19 static_cast<uint64_t>(type)) * | |
20 mojom::SensorInitParams::kReadBufferSize; | |
21 } | |
22 | |
23 void RunCallback(mojom::SensorInitParamsPtr init_params, | 17 void RunCallback(mojom::SensorInitParamsPtr init_params, |
24 SensorImpl* sensor, | 18 SensorImpl* sensor, |
25 const SensorProviderImpl::GetSensorCallback& callback) { | 19 const SensorProviderImpl::GetSensorCallback& callback) { |
26 callback.Run(std::move(init_params), sensor->GetClient()); | 20 callback.Run(std::move(init_params), sensor->GetClient()); |
27 } | 21 } |
28 | 22 |
29 void NotifySensorCreated( | 23 void NotifySensorCreated( |
30 mojom::SensorInitParamsPtr init_params, | 24 mojom::SensorInitParamsPtr init_params, |
31 SensorImpl* sensor, | 25 SensorImpl* sensor, |
32 const SensorProviderImpl::GetSensorCallback& callback) { | 26 const SensorProviderImpl::GetSensorCallback& callback) { |
(...skipping 28 matching lines...) Expand all Loading... |
61 NotifySensorCreated(nullptr, nullptr, callback); | 55 NotifySensorCreated(nullptr, nullptr, callback); |
62 return; | 56 return; |
63 } | 57 } |
64 | 58 |
65 scoped_refptr<PlatformSensor> sensor = provider_->GetSensor(type); | 59 scoped_refptr<PlatformSensor> sensor = provider_->GetSensor(type); |
66 if (!sensor) { | 60 if (!sensor) { |
67 PlatformSensorProviderBase::CreateSensorCallback cb = base::Bind( | 61 PlatformSensorProviderBase::CreateSensorCallback cb = base::Bind( |
68 &SensorProviderImpl::SensorCreated, weak_ptr_factory_.GetWeakPtr(), | 62 &SensorProviderImpl::SensorCreated, weak_ptr_factory_.GetWeakPtr(), |
69 type, base::Passed(&cloned_handle), base::Passed(&sensor_request), | 63 type, base::Passed(&cloned_handle), base::Passed(&sensor_request), |
70 callback); | 64 callback); |
71 provider_->CreateSensor(type, mojom::SensorInitParams::kReadBufferSize, | 65 provider_->CreateSensor(type, cb); |
72 GetBufferOffset(type), cb); | |
73 return; | 66 return; |
74 } | 67 } |
75 | 68 |
76 SensorCreated(type, std::move(cloned_handle), std::move(sensor_request), | 69 SensorCreated(type, std::move(cloned_handle), std::move(sensor_request), |
77 callback, std::move(sensor)); | 70 callback, std::move(sensor)); |
78 } | 71 } |
79 | 72 |
80 void SensorProviderImpl::SensorCreated( | 73 void SensorProviderImpl::SensorCreated( |
81 mojom::SensorType type, | 74 mojom::SensorType type, |
82 mojo::ScopedSharedBufferHandle cloned_handle, | 75 mojo::ScopedSharedBufferHandle cloned_handle, |
83 mojom::SensorRequest sensor_request, | 76 mojom::SensorRequest sensor_request, |
84 const GetSensorCallback& callback, | 77 const GetSensorCallback& callback, |
85 scoped_refptr<PlatformSensor> sensor) { | 78 scoped_refptr<PlatformSensor> sensor) { |
86 if (!sensor) { | 79 if (!sensor) { |
87 NotifySensorCreated(nullptr, nullptr, callback); | 80 NotifySensorCreated(nullptr, nullptr, callback); |
88 return; | 81 return; |
89 } | 82 } |
90 | 83 |
91 auto sensor_impl = base::MakeUnique<SensorImpl>(sensor); | 84 auto sensor_impl = base::MakeUnique<SensorImpl>(sensor); |
92 | 85 |
93 auto init_params = mojom::SensorInitParams::New(); | 86 auto init_params = mojom::SensorInitParams::New(); |
94 init_params->memory = std::move(cloned_handle); | 87 init_params->memory = std::move(cloned_handle); |
95 init_params->buffer_offset = GetBufferOffset(type); | 88 init_params->buffer_offset = SensorReadingSharedBuffer::GetOffset(type); |
96 init_params->mode = sensor->GetReportingMode(); | 89 init_params->mode = sensor->GetReportingMode(); |
97 init_params->default_configuration = sensor->GetDefaultConfiguration(); | 90 init_params->default_configuration = sensor->GetDefaultConfiguration(); |
98 | 91 |
99 NotifySensorCreated(std::move(init_params), sensor_impl.get(), callback); | 92 NotifySensorCreated(std::move(init_params), sensor_impl.get(), callback); |
100 | 93 |
101 mojo::MakeStrongBinding(std::move(sensor_impl), std::move(sensor_request)); | 94 mojo::MakeStrongBinding(std::move(sensor_impl), std::move(sensor_request)); |
102 } | 95 } |
103 | 96 |
104 } // namespace device | 97 } // namespace device |
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