Created
November 17, 2014 12:24
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Web Font Loader
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| (function() { | |
| "use strict"; | |
| var loaded_css_urls = []; | |
| function getFontById(fonts, id) { | |
| var found_font; | |
| fonts.some(function(font) { | |
| if (font.id === id) { | |
| found_font = font.default_variation; | |
| return true; | |
| } else { | |
| font.variations.some(function(variation) { | |
| if (variation.id === id) { | |
| found_font = variation; | |
| // Fix variation css.url null value | |
| found_font.css.url = font.css.url; | |
| return true; | |
| } | |
| }, this); | |
| } | |
| }, this); | |
| return found_font; | |
| } | |
| function loadFont(css_font_family, css_url, callback, callback_context) { | |
| var options = { | |
| custom: { | |
| families: [css_font_family], | |
| urls: [], | |
| }, | |
| fontactive: $.proxy(callback, callback_context) | |
| }; | |
| // Do not load the same url twice | |
| if (loaded_css_urls.indexOf(css_url) !== -1 || $("link[href='" + css_url + "']").length) { | |
| css_url = null; | |
| } else { | |
| loaded_css_urls.push(css_url); | |
| } | |
| // Load css only for valid urls | |
| if (css_url && css_url.length) { | |
| options.custom.urls.push(css_url); | |
| } | |
| WebFont.load(options); | |
| } | |
| // Getting fonts from WFP API | |
| WFP.getFonts(function(fonts, err) { | |
| var font_id = "eyJpZCI6MTE2MzgsInNvdXJjZSI6Im5hdGl2ZSJ9"; | |
| if (err) { | |
| console.log("Failed to get fonts"); | |
| return false; | |
| } | |
| // Search font object by font id | |
| var font = getFontById(fonts, font_id); | |
| if ( ! font) { | |
| console.log("Failed to get font by id", font_id); | |
| return false; | |
| } | |
| loadFont(font.css.font_family, font.css.url, function() { | |
| console.log("Applying font-family", font.css.font_family); | |
| // Apply loaded font family to the element | |
| $("body").css("font-family", font.css.font_family); | |
| }, this); | |
| }, this); | |
| })(); |
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