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      1 /*
      2  * Copyright (C) 2009 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 WebTextDirection_h
     32 #define WebTextDirection_h
     33 
     34 #if BLINK_IMPLEMENTATION
     35 #include "platform/text/TextDirection.h"
     36 #endif
     37 
     38 namespace blink {
     39 
     40 // Represents text directions (or writing directions) of a DOM node.
     41 enum WebTextDirection {
     42     WebTextDirectionDefault,  // Natural writing direction ("inherit")
     43     WebTextDirectionLeftToRight,
     44     WebTextDirectionRightToLeft,
     45     WebTextDirectionLast = WebTextDirectionRightToLeft
     46 };
     47 
     48 #if BLINK_IMPLEMENTATION
     49 inline WebTextDirection toWebTextDirection(TextDirection direction)
     50 {
     51     switch (direction) {
     52     case LTR:
     53         return WebTextDirectionLeftToRight;
     54     case RTL:
     55         return WebTextDirectionRightToLeft;
     56     }
     57     ASSERT_NOT_REACHED();
     58     return WebTextDirectionDefault;
     59 }
     60 #endif
     61 
     62 } // namespace blink
     63 
     64 #endif
     65