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Side by Side Diff: device/sensors/device_sensor_service.h

Issue 2646093002: Move //content/browser/device_sensor/ into device/sensors (Closed)
Patch Set: gn format & code rebase Created 3 years, 10 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 #ifndef CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_SENSOR_SERVICE_H_ 5 #ifndef DEVICE_SENSORS_DEVICE_SENSOR_SERVICE_H_
6 #define CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_SENSOR_SERVICE_H_ 6 #define DEVICE_SENSORS_DEVICE_SENSOR_SERVICE_H_
7 7
8 #include <memory> 8 #include <memory>
9 9
10 #include "base/callback_forward.h" 10 #include "base/callback_forward.h"
11 #include "base/macros.h" 11 #include "base/macros.h"
12 #include "base/memory/shared_memory.h" 12 #include "base/memory/shared_memory.h"
13 #include "base/memory/singleton.h" 13 #include "base/memory/singleton.h"
14 #include "base/threading/thread_checker.h" 14 #include "base/threading/thread_checker.h"
15 #include "content/browser/device_sensors/device_sensors_consts.h" 15 #include "device/sensors/device_sensor_export.h"
16 #include "content/common/content_export.h" 16 #include "device/sensors/device_sensors_consts.h"
17 #include "mojo/public/cpp/system/buffer.h" 17 #include "mojo/public/cpp/system/buffer.h"
18 18
19 namespace content { 19 namespace device {
20 20
21 class DataFetcherSharedMemory; 21 class DataFetcherSharedMemory;
22 22
23 // Owns the data fetcher for Device Motion and Orientation and keeps track of 23 // Owns the data fetcher for Device Motion and Orientation and keeps track of
24 // the number of consumers currently using the data. The data fetcher is stopped 24 // the number of consumers currently using the data. The data fetcher is stopped
25 // when there are no consumers. 25 // when there are no consumers.
26 class CONTENT_EXPORT DeviceSensorService { 26 class DEVICE_SENSOR_EXPORT DeviceSensorService {
27 public: 27 public:
28 // Returns the DeviceSensorService singleton. 28 // Returns the DeviceSensorService singleton.
29 static DeviceSensorService* GetInstance(); 29 static DeviceSensorService* GetInstance();
30 30
31 // Increments the number of users of the provider. The Provider is running 31 // Increments the number of users of the provider. The Provider is running
32 // when there's > 0 users, and is paused when the count drops to 0. 32 // when there's > 0 users, and is paused when the count drops to 0.
33 // Must be called on the I/O thread. 33 // Must be called on the I/O thread.
34 void AddConsumer(ConsumerType consumer_type); 34 void AddConsumer(ConsumerType consumer_type);
35 35
36 // Removes a consumer. Should be matched with an AddConsumer call. 36 // Removes a consumer. Should be matched with an AddConsumer call.
(...skipping 24 matching lines...) Expand all
61 int num_motion_readers_; 61 int num_motion_readers_;
62 int num_orientation_readers_; 62 int num_orientation_readers_;
63 int num_orientation_absolute_readers_; 63 int num_orientation_absolute_readers_;
64 bool is_shutdown_; 64 bool is_shutdown_;
65 std::unique_ptr<DataFetcherSharedMemory> data_fetcher_; 65 std::unique_ptr<DataFetcherSharedMemory> data_fetcher_;
66 base::ThreadChecker thread_checker_; 66 base::ThreadChecker thread_checker_;
67 67
68 DISALLOW_COPY_AND_ASSIGN(DeviceSensorService); 68 DISALLOW_COPY_AND_ASSIGN(DeviceSensorService);
69 }; 69 };
70 70
71 } // namespace content 71 } // namespace device
72 72
73 #endif // CONTENT_BROWSER_DEVICE_SENSORS_DEVICE_SENSOR_SERVICE_H_ 73 #endif // DEVICE_SENSORS_DEVICE_SENSOR_SERVICE_H_
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