1/*
2 * Copyright (C) 2010 Google 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WebDeviceOrientation_h
27#define WebDeviceOrientation_h
28
29#if WEBKIT_IMPLEMENTATION
30namespace WTF { template <typename T> class PassRefPtr; }
31namespace WebCore { class DeviceOrientation; }
32#endif
33
34namespace WebKit {
35
36class WebDeviceOrientation {
37public:
38    WebDeviceOrientation(bool canProvideAlpha, double alpha, bool canProvideBeta, double beta, bool canProvideGamma, double gamma)
39        : m_isNull(false),
40          m_canProvideAlpha(canProvideAlpha),
41          m_alpha(alpha),
42          m_canProvideBeta(canProvideBeta),
43          m_beta(beta),
44          m_canProvideGamma(canProvideGamma),
45          m_gamma(gamma)
46    {
47    }
48
49    static WebDeviceOrientation nullOrientation() { return WebDeviceOrientation(); }
50
51    bool isNull() { return m_isNull; }
52    bool canProvideAlpha() { return m_canProvideAlpha; }
53    double alpha() { return m_alpha; }
54    bool canProvideBeta() { return m_canProvideBeta; }
55    double beta() { return m_beta; }
56    bool canProvideGamma() { return m_canProvideGamma; }
57    double gamma() { return m_gamma; }
58
59#if WEBKIT_IMPLEMENTATION
60    WebDeviceOrientation(const WTF::PassRefPtr<WebCore::DeviceOrientation>&);
61    WebDeviceOrientation& operator=(const WTF::PassRefPtr<WebCore::DeviceOrientation>&);
62    operator WTF::PassRefPtr<WebCore::DeviceOrientation>() const;
63#endif
64
65private:
66    WebDeviceOrientation()
67        : m_isNull(true),
68          m_canProvideAlpha(false),
69          m_alpha(0),
70          m_canProvideBeta(false),
71          m_beta(0),
72          m_canProvideGamma(false),
73          m_gamma(0)
74    {
75    }
76
77    bool m_isNull;
78    bool m_canProvideAlpha;
79    double m_alpha;
80    bool m_canProvideBeta;
81    double m_beta;
82    bool m_canProvideGamma;
83    double m_gamma;
84};
85
86} // namespace WebKit
87
88#endif // WebDeviceOrientation_h
89