deployed/tmlazyload/plugins/system/tmlazyload/tmlazyload.js

@@ -0,0 +1,14 @@
+/*!
+ * jQuery Lazy - min - v0.3.8
+ * http://jquery.eisbehr.de/lazy/
+ * http://eisbehr.de/
+ *
+ * Copyright 2014, Daniel 'Eisbehr' Kern
+ *
+ * Dual licensed under the MIT and GPL-2.0 licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * jQuery("img.lazy").lazy();
+ */
+(function(e,t,n,r){e.fn.lazy=function(i){"use strict";function d(){l=t.devicePixelRatio>1;if(s.defaultImage!==null||s.placeholder!==null)for(var n=0;n<o.length;n++){var r=e(o[n]);if(s.defaultImage!==null&&!r.attr("src"))r.attr("src",s.defaultImage);if(s.placeholder!==null&&(!r.css("background-image")||r.css("background-image")=="none"))r.css("background-image","url("+s.placeholder+")")}if(s.delay>=0)setTimeout(function(){v(true)},s.delay);if(s.delay<0||s.combined){v(false);T(function(){e(s.appendScroll).bind("scroll",w(s.throttle,function(){T(function(){v(false)},this,true)}))},this);T(function(){e(s.appendScroll).bind("resize",w(s.throttle,function(){a=f=-1;T(function(){v(false)},this,true)}))},this)}}function v(t){if(!o.length)return;var n=false;for(var r=0;r<o.length;r++){(function(){var i=o[r],u=e(i);if(g(i)||t){var a=i.tagName.toLowerCase();if(u.attr(s.attribute)&&(a=="img"&&u.attr(s.attribute)!=u.attr("src")||a!="img"&&u.attr(s.attribute)!=u.css("background-image"))&&!u.data(s.handledName)&&(u.is(":visible")||!s.visibleOnly)){n=true;u.data(s.handledName,true);T(function(){m(u,a)},this)}}})()}if(n)T(function(){o=e(o).filter(function(){return!e(this).data(s.handledName)})},this)}function m(n,r){var i=e(new Image);++u;if(s.onError)i.error(function(){S(s.onError,n);E()});else i.error(function(){E()});var o=false;i.one("load",function(){var e=function(){if(!o){t.setTimeout(e,100);return}n.hide();if(r=="img")n.attr("src",i.attr("src"));else n.css("background-image","url("+i.attr("src")+")");n[s.effect](s.effectTime);if(s.removeAttribute){n.removeAttr(s.attribute);n.removeAttr(s.retinaAttribute)}S(s.afterLoad,n);i.unbind("load").remove();E()};e()});S(s.beforeLoad,n);i.attr("src",l&&n.attr(s.retinaAttribute)?n.attr(s.retinaAttribute):n.attr(s.attribute));S(s.onLoad,n);o=true;if(i.complete)i.load()}function g(e){var t=y(),n=b(),r=e.getBoundingClientRect(),i=n+s.threshold>r.top&&-s.threshold<r.bottom,o=t+s.threshold>r.left&&-s.threshold<r.right;if(s.scrollDirection=="vertical")return i;else if(s.scrollDirection=="horizontal")return o;return i&&o}function y(){if(a>=0)return a;a=t.innerWidth||n.documentElement.clientWidth||n.body.clientWidth||n.body.offsetWidth||s.fallbackWidth;return a}function b(){if(f>=0)return f;f=t.innerHeight||n.documentElement.clientHeight||n.body.clientHeight||n.body.offsetHeight||s.fallbackHeight;return f}function w(e,t){function o(){function u(){i=+(new Date);t.apply(r)}var o=+(new Date)-i;n&&clearTimeout(n);if(o>e||!s.enableThrottle)u();else n=setTimeout(u,e-o)}var n,i=0;return o}function E(){--u;if(!o.size()&&!u)S(s.onFinishedAll,null)}function S(e,t){if(e){if(t)T(function(){e(t)},this);else T(e,this)}}function x(){c=setTimeout(function(){T();if(h.length)x()},2)}function T(e,n,r){if(e){if(!s.enableQueueing){e.call(n||t);return}if(!r||r&&!p){h.push([e,n,r]);if(r)p=true}if(h.length==1)x();return}var i=h.shift();if(!i)return;if(i[2])p=false;i[0].call(i[1]||t)}var s={bind:"load",threshold:500,fallbackWidth:2e3,fallbackHeight:2e3,visibleOnly:false,appendScroll:t,scrollDirection:"both",defaultImage:"data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==",placeholder:null,delay:-1,combined:false,attribute:"data-src",retinaAttribute:"data-retina",removeAttribute:true,handledName:"handled",effect:"show",effectTime:0,enableThrottle:false,throttle:250,enableQueueing:true,beforeLoad:null,onLoad:null,afterLoad:null,onError:null,onFinishedAll:null},o=this,u=0,a=-1,f=-1,l=false,c=null,h=[],p=false;(function(){if(i)e.extend(s,i);if(s.onError)o.each(function(){var t=this;T(function(){e(t).bind("error",function(){S(s.onError,e(this))})},t)});if(s.bind=="load")e(t).load(d);else if(s.bind=="event")d()})();return this};e.fn.Lazy=e.fn.lazy})(jQuery,window,document);

deployed/tmlazyload/plugins/system/tmlazyload/tmlazyload.php

@@ -0,0 +1,381 @@
+<?php
+/**
+ * @Copyright
+ * @package     TM Lazy Load
+ * @author      TemplateMonster
+ * @version     1.1.4
+ * @link        http://www.templatemonster.com/
+ *
+ * @license     GNU/GPL
+ *  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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+defined('_JEXEC') or die('Restricted access');
+
+class PlgSystemTmLazyLoad extends JPlugin
+{
+    protected $_execute;
+
+    function __construct(&$subject, $config)
+    {
+        // First check whether version requirements are met for this specific version
+        if($this->checkVersionRequirements(false, '3.2', 'TM Lazy Load', 'plg_system_tmlazyload', JPATH_ADMINISTRATOR))
+        {
+            parent::__construct($subject, $config);
+            $this->loadLanguage('', JPATH_ADMINISTRATOR);
+            $this->_execute = true;
+        }
+    }
+
+    /**
+     * Do all checks whether the plugin has to be loaded and load needed JavaScript instructions
+     */
+    public function onBeforeCompileHead()
+    {
+        if($this->params->get('exclude_editor'))
+        {
+            if(class_exists('JEditor', false))
+            {
+                $this->_execute = false;
+            }
+        }
+
+        if($this->params->get('exclude_bots') AND $this->_execute == true)
+        {
+            $this->excludeBots();
+        }
+
+        if($this->params->get('exclude_components') AND $this->_execute == true)
+        {
+            $this->excludeComponents();
+        }
+
+        if($this->params->get('exclude_urls') AND $this->_execute == true)
+        {
+            $this->excludeUrls();
+        }
+
+        if($this->_execute == true)
+        {
+            JHtml::_('jquery.framework');
+
+            $doc = JFactory::getDocument();
+            $document =& $doc;
+
+            $document->addScript(JURI::base() . 'plugins/system/tmlazyload/tmlazyload.js');
+            $document->addScriptDeclaration('
+                jQuery(function($) {
+                    $("img.lazy").lazy({
+                        threshold: 200,
+                        visibleOnly: false,
+                        effect: "fadeIn",
+                        effectTime: 500,
+                        throttle: 500,
+                        afterLoad: function(element) {
+                            if(typeof $.fn.BlackAndWhite_init == "function"){
+                                jQuery(element).parent("a").BlackAndWhite_init();
+                            }
+                            setTimeout(function(){
+                                element.addClass("lazyloaded");
+                            },500)
+                        }
+                    });
+                });
+            ');
+        }
+    }
+
+    /**
+     * Trigger onAfterRender executes the main plugin procedure
+     */
+    public function onAfterRender()
+    {
+
+        if(JFactory::getApplication()->input->getWord('view')=='image'){
+            $this->_execute = false;
+        }
+        if($this->_execute == true)
+        {
+            $exclude_image_names = array_map('trim', explode("\n", $this->params->get('exclude_imagenames')));
+            $exclude_imagenames_toggle = $this->params->get('exclude_imagenames_toggle');
+            $dom = new DOMDocument();
+            libxml_use_internal_errors(true);
+            $dom->loadHTML(JFactory::getApplication()->getBody(false));
+
+            foreach($dom->getElementsByTagName('img') as $img) 
+            {
+                $src = $img->getAttribute('src');
+                $img_name = parse_url($src);
+                $img_name = $img_name['path'];
+                $img_name = explode('/', $img_name);
+                $img_name = end($img_name);
+                if(count($exclude_image_names)){
+                    $continue = false;
+                    if($exclude_imagenames_toggle == 0){
+                        foreach($exclude_image_names as $exclude_image_name){
+                            if($exclude_image_name != '' && strpos($img_name, $exclude_image_name)===0){
+                                $continue = true;
+                            }
+                        }
+                    }
+                    else{
+                        $continue = true;
+                        foreach($exclude_image_names as $exclude_image_name){
+                            if($exclude_image_name != '' && strpos($img_name, $exclude_image_name)===0){
+                                $continue = false;
+                            }
+                        }
+                    }
+                    if ($continue === true){
+                        continue;
+                    }
+                }
+                if(!array_key_exists('host',parse_url($src))){
+                    $src = JURI::base().str_replace(JURI::base(true).'/', '', $src);
+                }
+                $size = @getimagesize($src);
+                $width = $size[0];
+                $height = $size[1];
+                $attributes = array();
+                foreach($img->attributes as $attribute_name => $attribute_node)
+                {
+                  $attributes[$attribute_name] = $attribute_node->nodeValue;
+                }
+                if(!array_key_exists('width',$attributes) || $attributes['width']==0 || $attributes['width']==''){
+                    $img->setAttribute('width',''.$width);
+                }
+                if(!array_key_exists('height',$attributes) || $attributes['height']==0 || $attributes['height']==''){
+                    $img->setAttribute('height',''.$height);
+                }
+                if(array_key_exists('class',$attributes)){
+                    $img->setAttribute('class', $attributes['class'].' lazy');
+                }
+                else{
+                    $img->setAttribute('class','lazy');
+                }
+                $img->setAttribute('data-src',''.$src);
+                $img->setAttribute('src', JURI::base().'plugins/system/tmlazyload/blank.gif');
+            }
+            JFactory::getApplication()->setBody($dom->saveHTML());
+
+            $pattern = '/&amp;[lg]t;/';
+            $body = JFactory::getApplication()->getBody(false);
+            preg_match_all($pattern, $body, $matches);
+
+            if(!empty($matches))
+            {
+                foreach($matches[0] as $match)
+                {
+                        $arg_1 = array('&amp;lt;','&amp;gt;');
+                        $arg_2 = array('&lt;','&gt;');
+
+                    $matchlazy = str_replace($arg_1, $arg_2, $match);
+                    $body = str_replace($match, $matchlazy, $body);
+                }
+
+                JFactory::getApplication()->setBody($body);
+            }
+
+            $pattern = '/&amp;#160;/';
+            preg_match_all($pattern, $body, $matches);
+
+            if(!empty($matches))
+            {
+                foreach($matches[0] as $match)
+                {
+                        $arg_1 = '&amp;#160;';
+                        $arg_2 = ' ';
+
+                    $matchlazy = str_replace($arg_1, $arg_2, $match);
+                    $body = str_replace($match, $matchlazy, $body);
+                }
+
+                JFactory::getApplication()->setBody($body);
+            }
+
+            /*$pattern = "@<img[^>]*src=[\"\']([^\"\']*)[\"\'][^>]*>@";
+            preg_match_all($pattern, $body, $matches);
+
+            if($this->params->get('exclude_imagenames') AND !empty($matches))
+            {
+                $this->excludeImageNames($matches);
+            }
+            */
+        }
+    }
+
+    /**
+     * Excludes the execution in specified components if option is selected
+     */
+    private function excludeComponents()
+    {
+        $option = JFactory::getApplication()->input->getWord('option');
+        $exclude_components = array_map('trim', explode("\n", $this->params->get('exclude_components')));
+        $hit = false;
+
+        foreach($exclude_components as $exclude_component)
+        {
+            if($option == $exclude_component)
+            {
+                $hit = true;
+                break;
+            }
+        }
+
+        if($this->params->get('exclude_components_toggle'))
+        {
+            if($hit == false)
+            {
+                $this->_execute = false;
+            }
+        }
+        else
+        {
+            if($hit == true)
+            {
+                $this->_execute = false;
+            }
+        }
+    }
+
+    /**
+     * Excludes the execution in specified URLs if option is selected
+     */
+    private function excludeUrls()
+    {
+        $url = JUri::getInstance()->toString();
+        $exclude_urls = array_map('trim', explode("\n", $this->params->get('exclude_urls')));
+        $hit = false;
+
+        foreach($exclude_urls as $exclude_url)
+        {
+            if($url == $exclude_url)
+            {
+                $hit = true;
+                break;
+            }
+        }
+
+        if($this->params->get('exclude_urls_toggle'))
+        {
+            if($hit == false)
+            {
+                $this->_execute = false;
+            }
+        }
+        else
+        {
+            if($hit == true)
+            {
+                $this->_execute = false;
+            }
+        }
+    }
+
+    /**
+     * Excludes the execution in specified image names if option is selected
+     *
+     * @param $matches
+     */
+    private function excludeImageNames(&$matches)
+    {
+        $exclude_image_names = array_map('trim', explode("\n", $this->params->get('exclude_imagenames')));
+        $exclude_imagenames_toggle = $this->params->get('exclude_imagenames_toggle');
+        $matches_temp = array();
+
+        foreach($exclude_image_names as $exclude_image_name)
+        {
+            $count = 0;
+
+            foreach($matches[1] as $match)
+            {
+                if(preg_match('@'.preg_quote($exclude_image_name).'@', $match))
+                {
+                    if(empty($exclude_imagenames_toggle))
+                    {
+                        unset($matches[0][$count]);
+                    }
+                    else
+                    {
+                        $matches_temp[] = $matches[0][$count];
+                    }
+                }
+
+                $count++;
+            }
+        }
+
+        if($exclude_imagenames_toggle)
+        {
+            unset($matches[0]);
+            $matches[0] = $matches_temp;
+        }
+    }
+
+    /**
+     * Excludes the execution for specified bots if option is selected
+     */
+    private function excludeBots()
+    {
+        $exclude_bots = array_map('trim', explode(",", $this->params->get('botslist')));
+        $agent = $_SERVER['HTTP_USER_AGENT'];
+
+        foreach($exclude_bots as $exclude_bot)
+        {
+            if(preg_match('@'.$exclude_bot.'@i', $agent))
+            {
+                $this->_execute = false;
+                break;
+            }
+        }
+    }
+
+    /**
+     * Checks whether all requirements are met for the execution
+     *
+     * @param $admin                 Allow backend execution - true or false
+     * @param $version_min           Minimum required Joomla! version - e.g. 3.2
+     * @param $extension_name        Name of the extension of the warning message
+     * @param $extension_system_name System name of the extension for the language file loading - e.g. plg_system_xxx
+     * @param $jpath                 Path of the language file - JPATH_ADMINISTRATOR or JPATH_SITE
+     *
+     * @return bool
+     */
+    private function checkVersionRequirements($admin, $version_min, $extension_name, $extension_system_name, $jpath)
+    {
+        $execution = true;
+        $version = new JVersion();
+
+        if(!$version->isCompatible($version_min))
+        {
+            $execution = false;
+            $backend_message = true;
+        }
+
+        if(empty($admin))
+        {
+            if(JFactory::getApplication()->isAdmin())
+            {
+                $execution = false;
+
+                if(!empty($backend_message))
+                {
+                    $this->loadLanguage($extension_system_name, $jpath);
+                    JFactory::getApplication()->enqueueMessage(JText::sprintf('KR_JOOMLA_VERSION_REQUIREMENTS_NOT_MET', $extension_name, $version_min), 'warning');
+                }
+            }
+        }
+
+        return $execution;
+    }
+}

deployed/tmlazyload/plugins/system/tmlazyload/tmlazyload.xml

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<extension type="plugin" version="3.2" group="system" method="upgrade">
+    <name>TM Lazy Load</name>
+    <version>1.2.1</version>
+    <creationDate>2014-07-04</creationDate>
+    <license>http://www.gnu.org/licenses/gpl-3.0</license>
+    <copyright>Copyright 2014 Template Monster. All rights reserved.</copyright>
+    <author>Template Monster</author>
+    <authorEmail></authorEmail>
+    <authorUrl></authorUrl>
+    <description>PLG_TMLAZYLOAD_XML_DESCRIPTION</description>
+    <files>
+        <filename plugin="tmlazyload">tmlazyload.php</filename>
+        <filename plugin="tmlazyload">tmlazyload.js</filename>
+        <filename plugin="tmlazyload">blank.gif</filename>
+        <filename plugin="tmlazyload">index.html</filename>
+    </files>
+    <languages folder="language">
+        <language tag="en-GB">en-GB/en-GB.plg_system_tmlazyload.ini</language>
+        <language tag="en-GB">en-GB/en-GB.plg_system_tmlazyload.sys.ini</language>
+    </languages>
+    <config>
+        <fields name="params" addfieldpath="/plugins/system/tmlazyload/fields">
+            <fieldset name="settings">
+                <field name="exclude_imagenames" type="textarea" default="" label="PLG_TMLAZYLOAD_EXCLUDEIMAGENAMES" description="PLG_TMLAZYLOAD_EXCLUDEIMAGENAMESDESC" rows="6" cols="60" />
+                <field name="exclude_imagenames_toggle" type="list" default="0" label="PLG_TMLAZYLOAD_EXCLUDEIMAGENAMES_TOGGLE" description="PLG_TMLAZYLOAD_EXCLUDEIMAGENAMES_TOGGLEDESC">
+                    <option value="0">JNO</option>
+                    <option value="1">JYES</option>
+                </field>
+                <field name="exclude_components" type="textarea" default="" label="PLG_TMLAZYLOAD_EXCLUDECOMPONENTS" description="PLG_TMLAZYLOAD_EXCLUDECOMPONENTSDESC" rows="6" cols="60" />
+                <field name="exclude_components_toggle" type="list" default="0" label="PLG_TMLAZYLOAD_EXCLUDECOMPONENTS_TOGGLE" description="PLG_TMLAZYLOAD_EXCLUDECOMPONENTS_TOGGLEDESC">
+                    <option value="0">JNO</option>
+                    <option value="1">JYES</option>
+                </field>
+                <field name="exclude_urls" type="textarea" default="" label="PLG_TMLAZYLOAD_EXCLUDEURLS" description="PLG_TMLAZYLOAD_EXCLUDEURLSDESC" rows="6" cols="60" />
+                <field name="exclude_urls_toggle" type="list" default="0" label="PLG_TMLAZYLOAD_EXCLUDEURLS_TOGGLE" description="PLG_TMLAZYLOAD_EXCLUDEURLS_TOGGLEDESC">
+                    <option value="0">JNO</option>
+                    <option value="1">JYES</option>
+                </field>
+                <field name="exclude_editor" type="list" default="1" label="PLG_TMLAZYLOAD_EXCLUDEJOOMLAEDITOR" description="PLG_TMLAZYLOAD_EXCLUDEJOOMLAEDITORDESC">
+                    <option value="0">JNO</option>
+                    <option value="1">JYES</option>
+                </field>
+                <field name="exclude_bots" type="list" default="1" label="PLG_TMLAZYLOAD_EXCLUDEBOTS" description="PLG_TMLAZYLOAD_EXCLUDEBOTSDESC">
+                    <option value="1">JYES</option>
+                    <option value="0">JNO</option>
+                </field>
+                <field name="botslist" type="text" size="80" default="bot,spider,crawler,libwww,search,archive,slurp,teoma,facebook,twitter" label="PLG_TMLAZYLOAD_EXCLUDEBOTSLIST" description="PLG_TMLAZYLOAD_EXCLUDEBOTSLISTDESC" />
+            </fieldset>
+        </fields>
+    </config>
+</extension>