src/third_party/WebKit/Source/core/rendering/Pagination.cpp

   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