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-rw-r--r--data/js/jquery.lazyload.js242
-rw-r--r--data/js/script.js3
2 files changed, 245 insertions, 0 deletions
diff --git a/data/js/jquery.lazyload.js b/data/js/jquery.lazyload.js
new file mode 100644
index 000000000..5a22d8ea8
--- /dev/null
+++ b/data/js/jquery.lazyload.js
@@ -0,0 +1,242 @@
+/*
+ * 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);
+ }
+ $("<img />")
+ .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);
diff --git a/data/js/script.js b/data/js/script.js
index 57a2b6021..ee8ba9e3c 100644
--- a/data/js/script.js
+++ b/data/js/script.js
@@ -264,5 +264,8 @@ function fixedEncodeURIComponent (str) {
}
setup_colorbox();
}
+ if ($("img.lazyload").length) {
+ $("img.lazyload").show().lazyload({treshold: 200});
+ }
});
})(jQuery);
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-26 00:56:32 +0100