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
toWebTextDirection(TextDirection direction)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