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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_ORIENTATION_DATA_FETCHER_H_ | 5 #ifndef CONTENT_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_H_ |
6 #define CONTENT_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_H_ | 6 #define CONTENT_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_H_ |
7 | 7 |
| 8 #include "content/browser/device_orientation/device_data.h" |
| 9 |
8 namespace device_orientation { | 10 namespace device_orientation { |
9 | 11 |
10 class Orientation; | |
11 | |
12 class DataFetcher { | 12 class DataFetcher { |
13 public: | 13 public: |
14 virtual ~DataFetcher() {} | 14 virtual ~DataFetcher() {} |
15 | 15 |
16 // Returns false if there was a fatal error getting the orientation. | 16 // Returns NULL if there was a fatal error getting the device data of this |
17 // Returns true otherwise. If the fetcher has orientation data available | 17 // type or if this fetcher can never provide this type of data. Otherwise, |
18 // it will fill it in, otherwise the argument will be unaltered. | 18 // returns a pointer to a DeviceData containing the most recent data. |
19 virtual bool GetOrientation(Orientation*) = 0; | 19 virtual const DeviceData* GetDeviceData(DeviceData::Type type) = 0; |
20 }; | 20 }; |
21 | 21 |
22 } // namespace device_orientation | 22 } // namespace device_orientation |
23 | 23 |
24 #endif // CONTENT_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_H_ | 24 #endif // CONTENT_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_H_ |
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