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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 #ifndef CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_SENSOR_HOST_H_ |
| 6 #define CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_SENSOR_HOST_H_ |
| 7 |
| 8 #include "base/macros.h" |
| 9 #include "base/memory/shared_memory.h" |
| 10 #include "content/browser/device_sensors/device_sensors_consts.h" |
| 11 #include "device/sensors/public/interfaces/light.mojom.h" |
| 12 #include "device/sensors/public/interfaces/motion.mojom.h" |
| 13 #include "device/sensors/public/interfaces/orientation.mojom.h" |
| 14 #include "mojo/public/cpp/bindings/interface_request.h" |
| 15 #include "mojo/public/cpp/bindings/strong_binding.h" |
| 16 |
| 17 namespace content { |
| 18 |
| 19 // A base class for device sensor related mojo interface implementations. |
| 20 template <typename MojoInterface, ConsumerType consumer_type> |
| 21 class DeviceSensorHost : public MojoInterface { |
| 22 public: |
| 23 static void Create(mojo::InterfaceRequest<MojoInterface> request); |
| 24 |
| 25 // All methods below to be called on the IO thread. |
| 26 ~DeviceSensorHost() override; |
| 27 |
| 28 private: |
| 29 explicit DeviceSensorHost(mojo::InterfaceRequest<MojoInterface> request); |
| 30 |
| 31 void StartPolling( |
| 32 const typename MojoInterface::StartPollingCallback& callback) override; |
| 33 void StopPolling() override; |
| 34 |
| 35 bool is_started_; |
| 36 |
| 37 mojo::StrongBinding<MojoInterface> binding_; |
| 38 |
| 39 DISALLOW_COPY_AND_ASSIGN(DeviceSensorHost); |
| 40 }; |
| 41 |
| 42 using DeviceLightHost = |
| 43 DeviceSensorHost<device::mojom::LightSensor, CONSUMER_TYPE_LIGHT>; |
| 44 using DeviceMotionHost = |
| 45 DeviceSensorHost<device::mojom::MotionSensor, CONSUMER_TYPE_MOTION>; |
| 46 using DeviceOrientationHost = DeviceSensorHost<device::mojom::OrientationSensor, |
| 47 CONSUMER_TYPE_ORIENTATION>; |
| 48 using DeviceOrientationAbsoluteHost = |
| 49 DeviceSensorHost<device::mojom::OrientationAbsoluteSensor, |
| 50 CONSUMER_TYPE_ORIENTATION_ABSOLUTE>; |
| 51 |
| 52 } // namespace content |
| 53 |
| 54 #endif // CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_SENSOR_HOST_H_ |
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