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Side by Side Diff: content/browser/device_orientation/accelerometer_mac.h

Issue 9844020: Move the Sudden Motion Sensor library into third_party. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: DEPS: convert line endings Created 8 years, 9 months ago
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1 // Copyright (c) 2011 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 //
5 // This file is based on the SMSLib library.
6 //
7 // SMSLib Sudden Motion Sensor Access Library
8 // Copyright (c) 2010 Suitable Systems
9 // All rights reserved.
10 //
11 // Developed by: Daniel Griscom
12 // Suitable Systems
13 // http://www.suitable.com
14 //
15 // Permission is hereby granted, free of charge, to any person obtaining a
16 // copy of this software and associated documentation files (the
17 // "Software"), to deal with the Software without restriction, including
18 // without limitation the rights to use, copy, modify, merge, publish,
19 // distribute, sublicense, and/or sell copies of the Software, and to
20 // permit persons to whom the Software is furnished to do so, subject to
21 // the following conditions:
22 //
23 // - Redistributions of source code must retain the above copyright notice,
24 // this list of conditions and the following disclaimers.
25 //
26 // - Redistributions in binary form must reproduce the above copyright
27 // notice, this list of conditions and the following disclaimers in the
28 // documentation and/or other materials provided with the distribution.
29 //
30 // - Neither the names of Suitable Systems nor the names of its
31 // contributors may be used to endorse or promote products derived from
32 // this Software without specific prior written permission.
33 //
34 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
35 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
36 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
37 // IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR
38 // ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
39 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
40 // SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE.
41 //
42 // For more information about SMSLib, see
43 // <http://www.suitable.com/tools/smslib.html>
44 // or contact
45 // Daniel Griscom
46 // Suitable Systems
47 // 1 Centre Street, Suite 204
48 // Wakefield, MA 01880
49 // (781) 665-0053
50 4
51 #ifndef CONTENT_BROWSER_DEVICE_ORIENTATION_ACCELEROMETER_MAC_H_ 5 #ifndef CONTENT_BROWSER_DEVICE_ORIENTATION_ACCELEROMETER_MAC_H_
52 #define CONTENT_BROWSER_DEVICE_ORIENTATION_ACCELEROMETER_MAC_H_ 6 #define CONTENT_BROWSER_DEVICE_ORIENTATION_ACCELEROMETER_MAC_H_
53 #pragma once 7 #pragma once
54 8
55 #include <vector> 9 #include <vector>
56 10
57 #include <IOKit/IOKitLib.h> 11 #include "base/compiler_specific.h"
12 #include "base/memory/scoped_ptr.h"
13 #include "content/browser/device_orientation/data_fetcher.h"
58 14
59 #include "base/compiler_specific.h" 15 class SuddenMotionSensor;
60 #include "content/browser/device_orientation/data_fetcher.h"
61 16
62 namespace device_orientation { 17 namespace device_orientation {
63 18
64 // Provides an easy-to-use interface to retrieve data
65 // from the MacBook family accelerometer.
66 class AccelerometerMac : public DataFetcher { 19 class AccelerometerMac : public DataFetcher {
67 public: 20 public:
68 static DataFetcher* Create(); 21 static DataFetcher* Create();
69 22
70 // Implement DataFetcher. 23 // Implement DataFetcher.
71 virtual bool GetOrientation(Orientation* orientation) OVERRIDE; 24 virtual bool GetOrientation(Orientation* orientation) OVERRIDE;
72 25
73 virtual ~AccelerometerMac(); 26 virtual ~AccelerometerMac();
74 27
75 private: 28 private:
76 AccelerometerMac(); 29 AccelerometerMac();
77 bool Init(); 30 bool Init();
78 31
79 // Extend the sign of an integer of size bytes to a 32-bit one. 32 scoped_ptr<SuddenMotionSensor> sudden_motion_sensor_;
80 static int ExtendSign(int value, size_t size);
81
82 struct GenericMacbookSensor;
83 struct SensorDescriptor;
84 struct AxisData;
85
86 // Generic sensor data and list of supported sensors.
87 static const GenericMacbookSensor kGenericSensor;
88 static const SensorDescriptor kSupportedSensors[];
89
90 // Local sensor if supported, else NULL.
91 const SensorDescriptor* sensor_;
92
93 // IOKit connection to the local sensor.
94 io_connect_t io_connection_;
95
96 // Input memory used for sensor I/O.
97 std::vector<char> input_record_;
98
99 // Output memory used for sensor I/O.
100 std::vector<char> output_record_;
101 }; 33 };
102 34
103 } // namespace device_orientation 35 } // namespace device_orientation
104 36
105 #endif // CONTENT_BROWSER_DEVICE_ORIENTATION_ACCELEROMETER_MAC_H_ 37 #endif // CONTENT_BROWSER_DEVICE_ORIENTATION_ACCELEROMETER_MAC_H_
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