From 34047d23fb5e09b6bc2728f0f8827eaa038f02ea Mon Sep 17 00:00:00 2001 From: ArthurHoaro Date: Sun, 1 Mar 2015 10:47:01 +0100 Subject: Lazy load images with the light lib bLazy.js instead of jQuery: * Remove jquery.lazyload lib * Add blazy lib * Add a bit of CSS animation * Delete unused picwall2 template --- inc/jquery.lazyload-1.9.3.js | 242 ------------------------------------------- 1 file changed, 242 deletions(-) delete mode 100644 inc/jquery.lazyload-1.9.3.js (limited to 'inc/jquery.lazyload-1.9.3.js') diff --git a/inc/jquery.lazyload-1.9.3.js b/inc/jquery.lazyload-1.9.3.js deleted file mode 100644 index 5a22d8ea..00000000 --- a/inc/jquery.lazyload-1.9.3.js +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Lazy Load - jQuery plugin for lazy loading images - * - * Copyright (c) 2007-2013 Mika Tuupola - * - * Licensed under the MIT license: - * http://www.opensource.org/licenses/mit-license.php - * - * Project home: - * http://www.appelsiini.net/projects/lazyload - * - * Version: 1.9.3 - * - */ - -(function($, window, document, undefined) { - var $window = $(window); - - $.fn.lazyload = function(options) { - var elements = this; - var $container; - var settings = { - threshold : 0, - failure_limit : 0, - event : "scroll", - effect : "show", - container : window, - data_attribute : "original", - skip_invisible : true, - appear : null, - load : null, - placeholder : "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" - }; - - function update() { - var counter = 0; - - elements.each(function() { - var $this = $(this); - if (settings.skip_invisible && !$this.is(":visible")) { - return; - } - if ($.abovethetop(this, settings) || - $.leftofbegin(this, settings)) { - /* Nothing. */ - } else if (!$.belowthefold(this, settings) && - !$.rightoffold(this, settings)) { - $this.trigger("appear"); - /* if we found an image we'll load, reset the counter */ - counter = 0; - } else { - if (++counter > settings.failure_limit) { - return false; - } - } - }); - - } - - if(options) { - /* Maintain BC for a couple of versions. */ - if (undefined !== options.failurelimit) { - options.failure_limit = options.failurelimit; - delete options.failurelimit; - } - if (undefined !== options.effectspeed) { - options.effect_speed = options.effectspeed; - delete options.effectspeed; - } - - $.extend(settings, options); - } - - /* Cache container as jQuery as object. */ - $container = (settings.container === undefined || - settings.container === window) ? $window : $(settings.container); - - /* Fire one scroll event per scroll. Not one scroll event per image. */ - if (0 === settings.event.indexOf("scroll")) { - $container.bind(settings.event, function() { - return update(); - }); - } - - this.each(function() { - var self = this; - var $self = $(self); - - self.loaded = false; - - /* If no src attribute given use data:uri. */ - if ($self.attr("src") === undefined || $self.attr("src") === false) { - if ($self.is("img")) { - $self.attr("src", settings.placeholder); - } - } - - /* When appear is triggered load original image. */ - $self.one("appear", function() { - if (!this.loaded) { - if (settings.appear) { - var elements_left = elements.length; - settings.appear.call(self, elements_left, settings); - } - $("") - .bind("load", function() { - - var original = $self.attr("data-" + settings.data_attribute); - $self.hide(); - if ($self.is("img")) { - $self.attr("src", original); - } else { - $self.css("background-image", "url('" + original + "')"); - } - $self[settings.effect](settings.effect_speed); - - self.loaded = true; - - /* Remove image from array so it is not looped next time. */ - var temp = $.grep(elements, function(element) { - return !element.loaded; - }); - elements = $(temp); - - if (settings.load) { - var elements_left = elements.length; - settings.load.call(self, elements_left, settings); - } - }) - .attr("src", $self.attr("data-" + settings.data_attribute)); - } - }); - - /* When wanted event is triggered load original image */ - /* by triggering appear. */ - if (0 !== settings.event.indexOf("scroll")) { - $self.bind(settings.event, function() { - if (!self.loaded) { - $self.trigger("appear"); - } - }); - } - }); - - /* Check if something appears when window is resized. */ - $window.bind("resize", function() { - update(); - }); - - /* With IOS5 force loading images when navigating with back button. */ - /* Non optimal workaround. */ - if ((/(?:iphone|ipod|ipad).*os 5/gi).test(navigator.appVersion)) { - $window.bind("pageshow", function(event) { - if (event.originalEvent && event.originalEvent.persisted) { - elements.each(function() { - $(this).trigger("appear"); - }); - } - }); - } - - /* Force initial check if images should appear. */ - $(document).ready(function() { - update(); - }); - - return this; - }; - - /* Convenience methods in jQuery namespace. */ - /* Use as $.belowthefold(element, {threshold : 100, container : window}) */ - - $.belowthefold = function(element, settings) { - var fold; - - if (settings.container === undefined || settings.container === window) { - fold = (window.innerHeight ? window.innerHeight : $window.height()) + $window.scrollTop(); - } else { - fold = $(settings.container).offset().top + $(settings.container).height(); - } - - return fold <= $(element).offset().top - settings.threshold; - }; - - $.rightoffold = function(element, settings) { - var fold; - - if (settings.container === undefined || settings.container === window) { - fold = $window.width() + $window.scrollLeft(); - } else { - fold = $(settings.container).offset().left + $(settings.container).width(); - } - - return fold <= $(element).offset().left - settings.threshold; - }; - - $.abovethetop = function(element, settings) { - var fold; - - if (settings.container === undefined || settings.container === window) { - fold = $window.scrollTop(); - } else { - fold = $(settings.container).offset().top; - } - - return fold >= $(element).offset().top + settings.threshold + $(element).height(); - }; - - $.leftofbegin = function(element, settings) { - var fold; - - if (settings.container === undefined || settings.container === window) { - fold = $window.scrollLeft(); - } else { - fold = $(settings.container).offset().left; - } - - return fold >= $(element).offset().left + settings.threshold + $(element).width(); - }; - - $.inviewport = function(element, settings) { - return !$.rightoffold(element, settings) && !$.leftofbegin(element, settings) && - !$.belowthefold(element, settings) && !$.abovethetop(element, settings); - }; - - /* Custom selectors for your convenience. */ - /* Use as $("img:below-the-fold").something() or */ - /* $("img").filter(":below-the-fold").something() which is faster */ - - $.extend($.expr[":"], { - "below-the-fold" : function(a) { return $.belowthefold(a, {threshold : 0}); }, - "above-the-top" : function(a) { return !$.belowthefold(a, {threshold : 0}); }, - "right-of-screen": function(a) { return $.rightoffold(a, {threshold : 0}); }, - "left-of-screen" : function(a) { return !$.rightoffold(a, {threshold : 0}); }, - "in-viewport" : function(a) { return $.inviewport(a, {threshold : 0}); }, - /* Maintain BC for couple of versions. */ - "above-the-fold" : function(a) { return !$.belowthefold(a, {threshold : 0}); }, - "right-of-fold" : function(a) { return $.rightoffold(a, {threshold : 0}); }, - "left-of-fold" : function(a) { return !$.rightoffold(a, {threshold : 0}); } - }); - -})(jQuery, window, document); -- cgit v1.2.3