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      1 /*
      2  * Copyright (C) 2013 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebDeviceMotionData_h
     32 #define WebDeviceMotionData_h
     33 
     34 #include "WebCommon.h"
     35 
     36 #if INSIDE_BLINK
     37 #include "wtf/Assertions.h"
     38 #endif
     39 
     40 namespace blink {
     41 
     42 #pragma pack(push, 1)
     43 
     44 class WebDeviceMotionData {
     45 public:
     46     BLINK_PLATFORM_EXPORT WebDeviceMotionData();
     47     ~WebDeviceMotionData() { }
     48 
     49     double accelerationX;
     50     double accelerationY;
     51     double accelerationZ;
     52 
     53     double accelerationIncludingGravityX;
     54     double accelerationIncludingGravityY;
     55     double accelerationIncludingGravityZ;
     56 
     57     double rotationRateAlpha;
     58     double rotationRateBeta;
     59     double rotationRateGamma;
     60 
     61     double interval;
     62 
     63     bool hasAccelerationX : 1;
     64     bool hasAccelerationY : 1;
     65     bool hasAccelerationZ : 1;
     66 
     67     bool hasAccelerationIncludingGravityX : 1;
     68     bool hasAccelerationIncludingGravityY : 1;
     69     bool hasAccelerationIncludingGravityZ : 1;
     70 
     71     bool hasRotationRateAlpha : 1;
     72     bool hasRotationRateBeta : 1;
     73     bool hasRotationRateGamma : 1;
     74 
     75     bool allAvailableSensorsAreActive : 1;
     76 };
     77 
     78 #if INSIDE_BLINK
     79 COMPILE_ASSERT(sizeof(WebDeviceMotionData) == (10 * sizeof(double) + 2 * sizeof(char)), WebDeviceMotionData_has_wrong_size);
     80 #endif
     81 
     82 #pragma pack(pop)
     83 
     84 } // namespace blink
     85 
     86 #endif // WebDeviceMotionData_h
     87