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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  */
     19 
     20 #include "config.h"
     21 #include "core/rendering/Pagination.h"
     22 
     23 #include "core/rendering/style/RenderStyle.h"
     24 
     25 namespace WebCore {
     26 
     27 void Pagination::setStylesForPaginationMode(Mode paginationMode, RenderStyle* style)
     28 {
     29     if (paginationMode == Unpaginated)
     30         return;
     31 
     32     switch (paginationMode) {
     33     case LeftToRightPaginated:
     34         style->setColumnAxis(HorizontalColumnAxis);
     35         if (style->isHorizontalWritingMode())
     36             style->setColumnProgression(style->isLeftToRightDirection() ? NormalColumnProgression : ReverseColumnProgression);
     37         else
     38             style->setColumnProgression(style->isFlippedBlocksWritingMode() ? ReverseColumnProgression : NormalColumnProgression);
     39         break;
     40     case RightToLeftPaginated:
     41         style->setColumnAxis(HorizontalColumnAxis);
     42         if (style->isHorizontalWritingMode())
     43             style->setColumnProgression(style->isLeftToRightDirection() ? ReverseColumnProgression : NormalColumnProgression);
     44         else
     45             style->setColumnProgression(style->isFlippedBlocksWritingMode() ? NormalColumnProgression : ReverseColumnProgression);
     46         break;
     47     case TopToBottomPaginated:
     48         style->setColumnAxis(VerticalColumnAxis);
     49         if (style->isHorizontalWritingMode())
     50             style->setColumnProgression(style->isFlippedBlocksWritingMode() ? ReverseColumnProgression : NormalColumnProgression);
     51         else
     52             style->setColumnProgression(style->isLeftToRightDirection() ? NormalColumnProgression : ReverseColumnProgression);
     53         break;
     54     case BottomToTopPaginated:
     55         style->setColumnAxis(VerticalColumnAxis);
     56         if (style->isHorizontalWritingMode())
     57             style->setColumnProgression(style->isFlippedBlocksWritingMode() ? NormalColumnProgression : ReverseColumnProgression);
     58         else
     59             style->setColumnProgression(style->isLeftToRightDirection() ? ReverseColumnProgression : NormalColumnProgression);
     60         break;
     61     case Unpaginated:
     62         ASSERT_NOT_REACHED();
     63         break;
     64     }
     65 }
     66 
     67 } // namespace WebCore
     68