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 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_H_ 6 #define CONTENT_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_H_ 7 8 #include "content/browser/device_orientation/device_data.h" 9 10 namespace content { 11 12 class DataFetcher { 13 public: 14 virtual ~DataFetcher() {} 15 16 // Returns NULL if there was a fatal error getting the device data of this 17 // type or if this fetcher can never provide this type of data. Otherwise, 18 // returns a pointer to a DeviceData containing the most recent data. 19 virtual const DeviceData* GetDeviceData(DeviceData::Type type) = 0; 20 }; 21 22 } // namespace content 23 24 #endif // CONTENT_BROWSER_DEVICE_ORIENTATION_DATA_FETCHER_H_ 25
