Extension:EmbeddedVideo

require_once("$IP/extensions/EmbeddedVideo/EmbeddedVideo.php");

<?php
/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USAw
 *  
 * @author Russel Philip
 * @version 0.1
 * 
 * Changelog
 * =========
 *
 * 0.0 - Initial release
 * 0.1 -
 */
$wgExtensionFunctions[] = 'wfEmbeddedVideo';
$wgExtensionCredits['parserhook'][] = array(
        'name' => 'Embedded Video',
        'description' => 'uses vPIP to embed videos into pages',
        'author' => 'Russel Philip',
        'url' => 'http://www.mediawiki.org/wiki/Extension:EmbeddedVideo',
        'version' => '0.1'
);
 
$wgvPIPResources = false;
 
function wfEmbeddedVideo() {
	global $wgParser;
	$wgParser->setHook('video', 'embedVideo');
}
 
function embedVideo( $input, $argv ) {	
	$video = new vPIPPlayer( $input, $argv );
	$result = $video->render();
	return $result;
}
 
class vPIPPlayer{
 
	/* Constructor */
	function vPIPPlayer($input, $args) {
		global $wgvPIPResources;
 
		// Make sure that vPIP has been loaded
		if (!$wgvPIPResources)
			$wgvPIPResources = $this->loadvPIPResources();
 
		// Default parameter values
	    	$this->file = $input;
		$this->parameters['width'] = '320';
		$this->parameters['height'] = '260';
		$this->parameters['title'] = false;
		$this->parameters['caption'] = false;
		$this->parameters['image'] = false;
		$this->parameters['type'] = "auto";
		$this->parameters['download'] = false;	
		$this->parameters['autostart'] = "true";	
		$this->parameters['controller'] = "true";		
		$this->parameters['thickbox'] = "false";	
 
		// Load user specified parameter values
		foreach($args as $parameter => $value){
			$this->parameters[$parameter] = $value;
		}
 
		// Verify the media file
		if(strstr($this->file,'http://') == $this->file){
			$this->url = $this->file;
		}else{
			$this->url = $this->getViewPath($this->file);
		}
 
		// Verify the image file
		if($this->parameters['image'] and !(strstr($this->parameters['image'],'http://') == $this->file ))
			$this->parameters['image'] = $this->getViewPath($this->parameters['image']);
 
		// Set the title
		if (!$this->parameters['title']) 
			$this->parameters['title'] = $this->file;
 
		// Set the caption
		if (!$this->parameters['caption']) 
			$this->parameters['caption'] = $this->parameters['title'];
 
		// Determin the mimetype
		if ($this->parameters['type'] == "auto") {
			$extension = substr($this->file, -3, 3);
			switch (strtolower($extension)) {
			case "mov": $this->parameters['type'] = 'type="video/quicktime"'; break;
			case "mp4": $this->parameters['type'] = 'type="video/mp4"'; break;
			case "m4v": $this->parameters['type'] = 'type="video/x-m4v"'; break;
			case "mp3": $this->parameters['type'] = 'type="audio/x-mp3"'; break;
			case "smi": $this->parameters['type'] = 'type="application/smil"'; break;
			case "3gp": $this->parameters['type'] = 'type="video/3gpp"'; break;
			case "avi": $this->parameters['type'] = 'type="video/x-msvideo"'; break;
			case "wmv": $this->parameters['type'] = 'type="video/x-ms-wmv"'; break;
			case "asf": $this->parameters['type'] = 'type="video/x-ms-asf"'; break;
			case "wma": $this->parameters['type'] = 'type="audio/x-ms-wma"'; break;
			case "swf": $this->parameters['type'] = 'type="application/x-shockwave-flash"'; break;
			case "flv": $this->parameters['type'] = 'type="application/x-shockwave-flashf"'; break;
			default:
				$this->parameters['type'] = "";
			}
		}
	}
 
	/* Generate final code */
	function render(){		
		$this->code .= '<div class="hvlog" style="position: relative;">';
		$this->code .='<a href="'.$this->url.'" rel="enclosure" class="hVlogTarget" title="'.$this->parameters['title'].'" type="'.$this->parameters['type'].' onclick="vPIPPlay(this, \'width='.$this->parameters['width'].', height='.$this->parameters['height'].', autostart='.$this->parameters['autostart'].', controller='.$this->parameters['controller'].', name=MyMovie, revert=true\', \'\', \'active='.$this->parameters['thickbox'].', caption='.$this->parameters['caption'].'\'); return false;">';
 
		if ($this->parameters['image'])
		 	$this->code .='<img width='.$this->parameters['width'].', height='.$this->parameters['height'].' src="'.$this->parameters['image'].'" />';
		else
		     $this->code .='<img width=128, height=128 src="extensions/EmbeddedVideo/video.png" />';
 
		if ($this->parameters['caption'] and ($this->parameters['caption']!= 'none'))
			$this->code .='<p>'.$this->parameters['caption'].'</p>';
 
		$this->code .='<div style="position:absolute; left: 5px; top: 5px; font-weight: bold;"><img src="extensions/EmbeddedVideo/PlayButton.png" \></div>';
		$this->code .='</a>';
 
		if ($this->parameters['download'])
			$this->code .= '<div style="position:absolute; left: 5px; top: 60px;"><a href="'.$this->url.'"><img src="extensions/EmbeddedVideo/SaveButton.png" \></a></div>';
 
		$this->code .= '</div>';
 
		return $this->code;
	}
 
	/* get file url */
	function getViewPath($file) {
	  $title = Title::makeTitleSafe("Image",$file);
	  $img = new Image($title);
	  $path = $img->getViewURL(false);
	  return $path;
	}
 
	function loadvPIPResources(){
		global $wgOut;
 
		$vpip .=<<<JAVASCRIPT
		<style type="text/css">
			@import "extensions/EmbeddedVideo/vPIPBox.css";			
		</style>
		<script>
		//<![CDATA[
			function addScript(script) {
		     	var js = document.createElement("script");
	            	js.setAttribute('src', script);
	            	js.setAttribute('type', 'text/javascript');
	            	document.body.appendChild(js);
			}
 
	          addScript('extensions/EmbeddedVideo/vpip.js');
	 		addScript('extensions/EmbeddedVideo/jquery.js');
			addScript('extensions/EmbeddedVideo/vpipit.js');
		//]]>
		</script>
JAVASCRIPT;
 
		return $wgOut->addHTML($vpip);	
	}
}