IFrameRenderState.java

/*
    GNU LESSER GENERAL PUBLIC LICENSE
    Copyright (C) 2006 The XAMJ Project

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Contact info: lobochief@users.sourceforge.net
 */
package org.lobobrowser.html.style;

import java.awt.Color;

import org.lobobrowser.html.domimpl.HTMLElementImpl;

public class IFrameRenderState extends StyleSheetRenderState {
  public IFrameRenderState(final RenderState prevRenderState, final HTMLElementImpl element) {
    super(prevRenderState, element);
  }

  // TODO: if this logic can be moved to attr2Styles, then this render state could be chopped off.
  @Override
  public int getOverflowX() {
    int overflow = this.overflowX;
    if (overflow != -1) {
      return overflow;
    }
    overflow = super.getOverflowX();
    if (overflow == OVERFLOW_NONE) {
      final HTMLElementImpl element = this.element;
      if (element != null) {
        String scrolling = element.getAttribute("scrolling");
        if (scrolling != null) {
          scrolling = scrolling.trim().toLowerCase();
          if ("no".equals(scrolling)) {
            overflow = OVERFLOW_HIDDEN;
          } else if ("yes".equals(scrolling)) {
            overflow = OVERFLOW_SCROLL;
          } else if ("auto".equals(scrolling)) {
            overflow = OVERFLOW_AUTO;
          }
        }
      }
    }
    this.overflowX = overflow;
    return overflow;
  }

  @Override
  public int getOverflowY() {
    int overflow = this.overflowY;
    if (overflow != -1) {
      return overflow;
    }
    overflow = super.getOverflowY();
    if (overflow == OVERFLOW_NONE) {
      final HTMLElementImpl element = this.element;
      if (element != null) {
        String scrolling = element.getAttribute("scrolling");
        if (scrolling != null) {
          scrolling = scrolling.trim().toLowerCase();
          if ("no".equals(scrolling)) {
            overflow = OVERFLOW_HIDDEN;
          } else if ("yes".equals(scrolling)) {
            overflow = OVERFLOW_SCROLL;
          } else if ("auto".equals(scrolling)) {
            overflow = OVERFLOW_AUTO;
          }
        }
      }
    }
    this.overflowY = overflow;
    return overflow;
  }

  @Override
  public BorderInfo getBorderInfo() {
    BorderInfo binfo = this.borderInfo;
    if (binfo != INVALID_BORDER_INFO) {
      return binfo;
    }
    binfo = super.getBorderInfo();
    if ((binfo == null)
        || ((binfo.topStyle == HtmlValues.BORDER_STYLE_NONE) && (binfo.bottomStyle == HtmlValues.BORDER_STYLE_NONE)
            && (binfo.leftStyle == HtmlValues.BORDER_STYLE_NONE) && (binfo.rightStyle == HtmlValues.BORDER_STYLE_NONE))) {
      if (binfo == null) {
        binfo = new BorderInfo();
      }
      final HTMLElementImpl element = this.element;
      if (element != null) {
        String border = element.getAttribute("frameborder");
        if (border != null) {
          border = border.trim();
        }
        int value;
        if (border != null) {
          try {
            value = Integer.parseInt(border);
          } catch (final NumberFormatException nfe) {
            value = 0;
          }
        } else {
          value = 1;
        }
        final HtmlInsets borderInsets = new HtmlInsets();
        borderInsets.top = borderInsets.left = borderInsets.right = borderInsets.bottom = (value != 0 ? 1 : 0);
        borderInsets.topType = borderInsets.leftType = borderInsets.rightType = borderInsets.bottomType = HtmlInsets.TYPE_PIXELS;
        binfo.insets = borderInsets;
        if (binfo.topColor == null) {
          binfo.topColor = Color.DARK_GRAY;
        }
        if (binfo.leftColor == null) {
          binfo.leftColor = Color.DARK_GRAY;
        }
        if (binfo.rightColor == null) {
          binfo.rightColor = Color.LIGHT_GRAY;
        }
        if (binfo.bottomColor == null) {
          binfo.bottomColor = Color.LIGHT_GRAY;
        }
        if (value != 0) {
          binfo.topStyle = binfo.leftStyle = binfo.rightStyle = binfo.bottomStyle = HtmlValues.BORDER_STYLE_SOLID;
        }
      }
    }
    this.borderInfo = binfo;
    return binfo;
  }
}