Home | History | Annotate | Download | only in web 
      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
     30 namespace WTF { template <typename T> class PassRefPtr; }
     31 namespace WebCore { class DeviceOrientationData; }
     32 #endif
     33 
     34 namespace WebKit {
     35 
     36 class WebDeviceOrientation {
     37 public:
     38     WebDeviceOrientation()
     39         : m_isNull(true)
     40         , m_canProvideAlpha(false)
     41         , m_alpha(0)
     42         , m_canProvideBeta(false)
     43         , m_beta(0)
     44         , m_canProvideGamma(false)
     45         , m_gamma(0)
     46         , m_canProvideAbsolute(false)
     47         , m_absolute(false)
     48     {
     49     }
     50 
     51     static WebDeviceOrientation nullOrientation() { return WebDeviceOrientation(); }
     52 
     53     void setNull(bool isNull) { m_isNull = isNull; }
     54     bool isNull() const { return m_isNull; }
     55 
     56     void setAlpha(double alpha)
     57     {
     58         m_canProvideAlpha = true;
     59         m_alpha = alpha;
     60     }
     61     bool canProvideAlpha() const { return m_canProvideAlpha; }
     62     double alpha() const { return m_alpha; }
     63 
     64     void setBeta(double beta)
     65     {
     66         m_canProvideBeta = true;
     67         m_beta = beta;
     68     }
     69     bool canProvideBeta() const { return m_canProvideBeta; }
     70     double beta() const { return m_beta; }
     71 
     72     void setGamma(double gamma)
     73     {
     74         m_canProvideGamma = true;
     75         m_gamma = gamma;
     76     }
     77     bool canProvideGamma() const { return m_canProvideGamma; }
     78     double gamma() const { return m_gamma; }
     79 
     80     void setAbsolute(bool absolute)
     81     {
     82         m_canProvideAbsolute = true;
     83         m_absolute = absolute;
     84     }
     85     bool canProvideAbsolute() const {return m_canProvideAbsolute; }
     86     bool absolute() const { return m_absolute; }
     87 
     88 #if WEBKIT_IMPLEMENTATION
     89     WebDeviceOrientation(const WebCore::DeviceOrientationData*);
     90     operator WTF::PassRefPtr<WebCore::DeviceOrientationData>() const;
     91 #endif
     92 
     93 private:
     94     bool m_isNull;
     95     bool m_canProvideAlpha;
     96     double m_alpha;
     97     bool m_canProvideBeta;
     98     double m_beta;
     99     bool m_canProvideGamma;
    100     double m_gamma;
    101     bool m_canProvideAbsolute;
    102     bool m_absolute;
    103 };
    104 
    105 } // namespace WebKit
    106 
    107 #endif // WebDeviceOrientation_h
    108