<?php
  /**
   * DOMPDF - PHP5 HTML to PDF renderer
   *
   * File: $RCSfile: inline_positioner.cls.php,v $
   * Created on: 2004-06-08
   *
   * Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca>
   *
   * 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 in the file LICENSE.LGPL; if not, write to the
   * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   * 02111-1307 USA
   *
   * Alternatively, you may distribute this software under the terms of the
   * PHP License, version 3.0 or later.  A copy of this license should have
   * been distributed with this file in the file LICENSE.PHP .  If this is not
   * the case, you can obtain a copy at http://www.php.net/license/3_0.txt.
   *
   * The latest version of DOMPDF might be available at:
   * http://www.dompdf.com/
   *
   * @link http://www.dompdf.com/
   * @copyright 2004 Benj Carson
   * @author Benj Carson <benjcarson@digitaljunkies.ca>
   * @package dompdf
  
   */
  
  /* $Id: inline_positioner.cls.php 357 2011-01-30 20:56:46Z fabien.menager $ */
  /**
   * Positions inline frames
   *
   * @access private
   * @package dompdf
   */
  class Inline_Positioner extends Positioner {
  
    function __construct(Frame_Decorator $frame) { parent::__construct($frame); }
  
    //........................................................................
  
    function position() {
      // Find our nearest block level parent and access its lines property.
      $p = $this->_frame->find_block_parent();
  
      // Debugging code:
  
  //     pre_r("
  Positioning:");
  //     pre_r("Me: " . $this->_frame->get_node()->nodeName . " (" . spl_object_hash($this->_frame->get_node()) . ")");
  //     pre_r("Parent: " . $p->get_node()->nodeName . " (" . spl_object_hash($p->get_node()) . ")");
  
      // End debugging
  
      if ( !$p )
        throw new DOMPDF_Exception("No block-level parent found.  Not good.");
  
      $f = $this->_frame;
      
      $cb = $f->get_containing_block();
      $style = $f->get_style();
      $line = $p->get_current_line();
  
      // Skip the page break if in a fixed position element
      $is_fixed = false;
      while($f = $f->get_parent()) {
        if($f->get_style()->position === "fixed") {
          $is_fixed = true;
          break;
        }
      }
  
      $f = $this->_frame;
  
      if ( !$is_fixed && $f->get_parent() &&
           $f->get_parent() instanceof Inline_Frame_Decorator &&
           $f->get_node()->nodeName === "#text" ) {
        
        $min_max = $f->get_reflower()->get_min_max_width();
        $initialcb = $f->get_root()->get_containing_block();
        $height = $style->length_in_pt($style->height, $initialcb["h"]);
        
        // If the frame doesn't fit in the current line, a line break occurs
        if ( $min_max["min"] > ($cb["w"]-$line["left"]-$line["w"]-$line["right"]) ) {
          $p->add_line();
        }
      }
  
      $this->_frame->set_position($cb["x"] + $line["w"], $line["y"]);
  
    }
  }