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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_DATA_FETCHER_SHARED_MEMORY_BASE_H_ | 5 #ifndef CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_BASE_H_ |
6 #define CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_BASE_H_ | 6 #define CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_BASE_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <memory> | 9 #include <memory> |
10 | 10 |
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28 // regular intervals. Returns true if the relevant sensors could | 28 // regular intervals. Returns true if the relevant sensors could |
29 // be successfully activated. | 29 // be successfully activated. |
30 bool StartFetchingDeviceData(ConsumerType consumer_type); | 30 bool StartFetchingDeviceData(ConsumerType consumer_type); |
31 | 31 |
32 // Stops updating the shared memory buffer. Returns true if the | 32 // Stops updating the shared memory buffer. Returns true if the |
33 // relevant sensors could be successfully deactivated. | 33 // relevant sensors could be successfully deactivated. |
34 bool StopFetchingDeviceData(ConsumerType consumer_type); | 34 bool StopFetchingDeviceData(ConsumerType consumer_type); |
35 | 35 |
36 // Should be called before destruction to make sure all active | 36 // Should be called before destruction to make sure all active |
37 // sensors are unregistered. | 37 // sensors are unregistered. |
38 virtual void Shutdown(); | 38 virtual void ShutDownOnUIThread(); |
39 | 39 |
40 // Returns the shared memory handle of the device sensor data. This method | 40 // Returns the shared memory handle of the device sensor data. This method |
41 // should only be called after a call to StartFetchingDeviceData method with | 41 // should only be called after a call to StartFetchingDeviceData method with |
42 // corresponding |consumer_type| parameter. | 42 // corresponding |consumer_type| parameter. |
43 mojo::ScopedSharedBufferHandle GetSharedMemoryHandle( | 43 mojo::ScopedSharedBufferHandle GetSharedMemoryHandle( |
44 ConsumerType consumer_type); | 44 ConsumerType consumer_type); |
45 | 45 |
46 enum FetcherType { | 46 enum FetcherType { |
47 // Fetcher runs on the same thread as its creator. | 47 // Fetcher runs on the same thread as its creator. |
48 FETCHER_TYPE_DEFAULT, | 48 FETCHER_TYPE_DEFAULT, |
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94 std::pair<mojo::ScopedSharedBufferHandle, | 94 std::pair<mojo::ScopedSharedBufferHandle, |
95 mojo::ScopedSharedBufferMapping>>; | 95 mojo::ScopedSharedBufferMapping>>; |
96 SharedMemoryMap shared_memory_map_; | 96 SharedMemoryMap shared_memory_map_; |
97 | 97 |
98 DISALLOW_COPY_AND_ASSIGN(DataFetcherSharedMemoryBase); | 98 DISALLOW_COPY_AND_ASSIGN(DataFetcherSharedMemoryBase); |
99 }; | 99 }; |
100 | 100 |
101 } // namespace content | 101 } // namespace content |
102 | 102 |
103 #endif // CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_BASE_H_ | 103 #endif // CONTENT_BROWSER_DEVICE_SENSORS_DATA_FETCHER_SHARED_MEMORY_BASE_H_ |
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