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      1 /*
      2  * Copyright 2010, The Android Open Source Project
      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 #include "config.h"
     27 #include "modules/device_orientation/DeviceOrientationEvent.h"
     28 
     29 #include "core/dom/EventNames.h"
     30 #include "modules/device_orientation/DeviceOrientationData.h"
     31 
     32 namespace WebCore {
     33 
     34 DeviceOrientationEvent::~DeviceOrientationEvent()
     35 {
     36 }
     37 
     38 DeviceOrientationEvent::DeviceOrientationEvent()
     39     : m_orientation(DeviceOrientationData::create())
     40 {
     41     ScriptWrappable::init(this);
     42 }
     43 
     44 DeviceOrientationEvent::DeviceOrientationEvent(const AtomicString& eventType, DeviceOrientationData* orientation)
     45     : Event(eventType, false, false) // Can't bubble, not cancelable
     46     , m_orientation(orientation)
     47 {
     48     ScriptWrappable::init(this);
     49 }
     50 
     51 void DeviceOrientationEvent::initDeviceOrientationEvent(const AtomicString& type, bool bubbles, bool cancelable, DeviceOrientationData* orientation)
     52 {
     53     if (dispatched())
     54         return;
     55 
     56     initEvent(type, bubbles, cancelable);
     57     m_orientation = orientation;
     58 }
     59 
     60 double DeviceOrientationEvent::alpha(bool& isNull) const
     61 {
     62     if (m_orientation->canProvideAlpha())
     63         return m_orientation->alpha();
     64 
     65     isNull = true;
     66     return 0;
     67 }
     68 
     69 double DeviceOrientationEvent::beta(bool& isNull) const
     70 {
     71     if (m_orientation->canProvideBeta())
     72         return m_orientation->beta();
     73 
     74     isNull = true;
     75     return 0;
     76 }
     77 
     78 double DeviceOrientationEvent::gamma(bool& isNull) const
     79 {
     80     if (m_orientation->canProvideGamma())
     81         return m_orientation->gamma();
     82 
     83     isNull = true;
     84     return 0;
     85 }
     86 
     87 bool DeviceOrientationEvent::absolute(bool& isNull) const
     88 {
     89     if (m_orientation->canProvideAbsolute())
     90         return m_orientation->absolute();
     91 
     92     isNull = true;
     93     return 0;
     94 }
     95 
     96 const AtomicString& DeviceOrientationEvent::interfaceName() const
     97 {
     98     return eventNames().interfaceForDeviceOrientationEvent;
     99 }
    100 
    101 } // namespace WebCore
    102