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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
      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 WebLayerPositionConstraint_h
     27 #define WebLayerPositionConstraint_h
     28 
     29 namespace WebKit {
     30 
     31 struct WebLayerPositionConstraint {
     32     bool isFixedPosition     : 1;
     33     bool isFixedToRightEdge  : 1;
     34     bool isFixedToBottomEdge : 1;
     35 
     36     WebLayerPositionConstraint()
     37         : isFixedPosition(false)
     38         , isFixedToRightEdge(false)
     39         , isFixedToBottomEdge(false)
     40     {
     41     }
     42 
     43     static WebLayerPositionConstraint fixedPosition(bool fixedToRightEdge, bool fixedToBottomEdge)
     44     {
     45         WebLayerPositionConstraint constraint;
     46         constraint.isFixedPosition = true;
     47         constraint.isFixedToRightEdge = fixedToRightEdge;
     48         constraint.isFixedToBottomEdge = fixedToBottomEdge;
     49         return constraint;
     50     }
     51 };
     52 
     53 } // namespace WebKit
     54 
     55 #endif // WebLayerPositionConstraint_h
     56