1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef DeviceMotionData_h
27#define DeviceMotionData_h
28
29#include <wtf/PassRefPtr.h>
30#include <wtf/RefCounted.h>
31#include <wtf/RefPtr.h>
32
33namespace WebCore {
34
35class DeviceMotionData : public RefCounted<DeviceMotionData> {
36public:
37    class Acceleration : public RefCounted<DeviceMotionData::Acceleration> {
38    public:
39        static PassRefPtr<Acceleration> create(bool canProvideX, double x, bool canProvideY, double y, bool canProvideZ, double z);
40
41        bool canProvideX() const { return m_canProvideX; }
42        bool canProvideY() const { return m_canProvideY; }
43        bool canProvideZ() const { return m_canProvideZ; }
44
45        double x() const { return m_x; }
46        double y() const { return m_y; }
47        double z() const { return m_z; }
48
49    private:
50        Acceleration(bool canProvideX, double x, bool canProvideY, double y, bool canProvideZ, double z);
51
52        double m_x;
53        double m_y;
54        double m_z;
55
56        bool m_canProvideX;
57        bool m_canProvideY;
58        bool m_canProvideZ;
59    };
60
61    class RotationRate : public RefCounted<DeviceMotionData::RotationRate> {
62    public:
63        static PassRefPtr<RotationRate> create(bool canProvideAlpha, double alpha, bool canProvideBeta,  double beta, bool canProvideGamma, double gamma);
64
65        bool canProvideAlpha() const { return m_canProvideAlpha; }
66        bool canProvideBeta() const { return m_canProvideBeta; }
67        bool canProvideGamma() const { return m_canProvideGamma; }
68
69        double alpha() const { return m_alpha; }
70        double beta() const { return m_beta; }
71        double gamma() const { return m_gamma; }
72
73    private:
74        RotationRate(bool canProvideAlpha, double alpha, bool canProvideBeta,  double beta, bool canProvideGamma, double gamma);
75
76        double m_alpha;
77        double m_beta;
78        double m_gamma;
79
80        bool m_canProvideAlpha;
81        bool m_canProvideBeta;
82        bool m_canProvideGamma;
83    };
84
85    static PassRefPtr<DeviceMotionData> create();
86    static PassRefPtr<DeviceMotionData> create(PassRefPtr<Acceleration> acceleration, PassRefPtr<Acceleration> accelerationIncludingGravity,
87                                               PassRefPtr<RotationRate> rotationRate, bool canProvideInterval, double interval);
88
89    const Acceleration* acceleration() const { return m_acceleration.get(); }
90    const Acceleration* accelerationIncludingGravity() const { return m_accelerationIncludingGravity.get(); }
91    const RotationRate* rotationRate() const { return m_rotationRate.get(); }
92    double interval() const { return m_interval; }
93    bool canProvideInterval() const { return m_canProvideInterval; }
94
95private:
96    DeviceMotionData();
97    DeviceMotionData(PassRefPtr<Acceleration> acceleration, PassRefPtr<Acceleration> accelerationIncludingGravity,
98                     PassRefPtr<RotationRate> rotationRate, bool canProvideInterval, double interval);
99
100    RefPtr<Acceleration> m_acceleration;
101    RefPtr<Acceleration> m_accelerationIncludingGravity;
102    RefPtr<RotationRate> m_rotationRate;
103    bool m_canProvideInterval;
104    double m_interval;
105};
106
107} // namespace WebCore
108
109#endif // DeviceMotionData_h
110