xref: /external/chromium_org/third_party/WebKit/public/web/WebTextDirection.h

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef WebTextDirection_h
#define WebTextDirection_h

#if BLINK_IMPLEMENTATION
#include "platform/text/TextDirection.h"
#endif

namespace blink {

// Represents text directions (or writing directions) of a DOM node.
enum WebTextDirection {
    WebTextDirectionDefault,  // Natural writing direction ("inherit")
    WebTextDirectionLeftToRight,
    WebTextDirectionRightToLeft,
    WebTextDirectionLast = WebTextDirectionRightToLeft
};

#if BLINK_IMPLEMENTATION
inline WebTextDirection toWebTextDirection(TextDirection direction)
{
    switch (direction) {
    case LTR:
        return WebTextDirectionLeftToRight;
    case RTL:
        return WebTextDirectionRightToLeft;
    }
    ASSERT_NOT_REACHED();
    return WebTextDirectionDefault;
}
#endif

} // namespace blink

#endif