76 lines
2.2 KiB
PHP
Executable File
76 lines
2.2 KiB
PHP
Executable File
<?php
|
|
// $Header: /cvsroot/html2ps/box.iframe.php,v 1.14 2006/12/18 19:44:21 Konstantin Exp $
|
|
|
|
class IFrameBox extends InlineBlockBox {
|
|
function &create(&$root, &$pipeline) {
|
|
$box =& new IFrameBox($root, $pipeline);
|
|
$box->readCSS($pipeline->getCurrentCSSState());
|
|
return $box;
|
|
}
|
|
|
|
// Note that IFRAME width is NOT determined by its content, thus we need to override 'get_min_width' and
|
|
// 'get_max_width'; they should return the constrained frame width.
|
|
function get_min_width(&$context) {
|
|
return $this->get_max_width($context);
|
|
}
|
|
|
|
function get_max_width(&$context) {
|
|
return $this->get_width();
|
|
}
|
|
|
|
function IFrameBox(&$root, $pipeline) {
|
|
$this->InlineBlockBox();
|
|
|
|
// If NO src attribute specified, just return.
|
|
if (!$root->has_attribute('src') ||
|
|
trim($root->get_attribute('src')) == '') {
|
|
return;
|
|
};
|
|
|
|
// Determine the fullly qualified URL of the frame content
|
|
$src = $root->get_attribute('src');
|
|
$url = $pipeline->guess_url($src);
|
|
$data = $pipeline->fetch($url);
|
|
|
|
/**
|
|
* If framed page could not be fetched return immediately
|
|
*/
|
|
if (is_null($data)) { return; };
|
|
|
|
/**
|
|
* Render only iframes containing HTML only
|
|
*
|
|
* Note that content-type header may contain additional information after the ';' sign
|
|
*/
|
|
$content_type = $data->get_additional_data('Content-Type');
|
|
$content_type_array = explode(';', $content_type);
|
|
if ($content_type_array[0] != "text/html") { return; };
|
|
|
|
$html = $data->get_content();
|
|
|
|
// Remove control symbols if any
|
|
$html = preg_replace('/[\x00-\x07]/', "", $html);
|
|
$converter = Converter::create();
|
|
$html = $converter->to_utf8($html, $data->detect_encoding());
|
|
$html = html2xhtml($html);
|
|
$tree = TreeBuilder::build($html);
|
|
|
|
// Save current stylesheet, as each frame may load its own stylesheets
|
|
//
|
|
$pipeline->pushCSS();
|
|
$css =& $pipeline->getCurrentCSS();
|
|
$css->scan_styles($tree, $pipeline);
|
|
|
|
$frame_root = traverse_dom_tree_pdf($tree);
|
|
$box_child =& create_pdf_box($frame_root, $pipeline);
|
|
$this->add_child($box_child);
|
|
|
|
// Restore old stylesheet
|
|
//
|
|
$pipeline->popCSS();
|
|
|
|
$pipeline->pop_base_url();
|
|
}
|
|
}
|
|
|
|
?>
|