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Made all sources pass JSLint. New combined and minified versions.
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@tipiirai
tipiirai committed Dec 2, 2010
1 parent 1610187 commit bd761f2
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Showing 6 changed files with 150 additions and 142 deletions.
183 changes: 98 additions & 85 deletions head.js
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Expand Up @@ -7,47 +7,59 @@
(function(doc) {

var html = doc.documentElement,
conf = {
conf = {
screens: [320, 480, 640, 768, 1024, 1280, 1440, 1680, 1920],
section: "-section",
page: "-page",
head: "head"
};
},
klass = [];

if (typeof window.head_conf == 'object') {
for (var key in head_conf) {
conf[key] = head_conf[key];
if (head_conf[key]) {
conf[key] = head_conf[key];
}
}
}

window.head_conf = conf;

function addClass(name) {
html.className += ' ' + name;
function pushClass(name) {
klass.push(name);
}

function removeClass(name) {
var re = new RegExp("\\b" + name + "\\b");
html.className = html.className.replace(re, '');
html.className = html.className.replace(re, '');
}

function each(arr, fn) {
for (var i = 0; i < arr.length; i++)
for (var i = 0; i < arr.length; i++) {
fn.call(arr, arr[i], i);
}
}

// API
var api = window[conf.head] = function() {
api.ready.apply(null, arguments);
};
};

api.feature = function(key, enabled) {
removeClass('no-' + key);
removeClass(key);
addClass((enabled ? '' : 'no-') + key);
api.feature = function(key, enabled, queue) {

/*% internal %*/
if (!key) {
html.className += ' ' + klass.join( ' ' );
klass = [];
} else if (!queue) {
removeClass('no-' + key); removeClass(key);
}
/*% endinternal %*/

pushClass((enabled ? '' : 'no-') + key);
api[key] = !!enabled;
return api;
};
};

// browser type & version
var ua = navigator.userAgent.toLowerCase();
Expand All @@ -57,19 +69,19 @@
/(msie) ([\w.]+)/.exec( ua ) ||
!/compatible/.test( ua ) && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) || [];

if (ua[1] == 'msie') ua[1] = 'ie';
addClass(ua[1]);
// addClass(ua[1] + ua[2].replace(/\./g, "").substring(0, 3));
if (ua[1] == 'msie') { ua[1] = 'ie'; }
pushClass(ua[1]);
// pushClass(ua[1] + ua[2].replace(/\./g, "").substring(0, 3));

api.browser = { version: ua[2] };
api.browser[ua[1]] = true;
api.browser[ua[1]] = true;

// IE specific
if (api.browser.ie) {

// IE versions
for (var ver = 3; ver < 11; ver++) {
if (parseFloat(ua[2]) < ver) { addClass("lt-ie" + ver); }
if (parseFloat(ua[2]) < ver) { pushClass("lt-ie" + ver); }
}
}

Expand All @@ -89,38 +101,39 @@


api.section = section;
api.pageId = pageId;
api.pageId = pageId;

addClass(section + conf.section);
pushClass(section + conf.section);
html.id = pageId + conf.page;


// screen resolution: w-100, lt-480, lt-1024 ...
function screenSize() {
var w = document.width || window.outerWidth || document.documentElement.clientWidth;

// remove earlier screens
// remove earlier widths
html.className = html.className.replace(/ (w|lt)-\d+/g, "");
addClass("w-" + Math.round(w / 100) * 100);

// add new ones
pushClass("w-" + Math.round(w / 100) * 100);

each(conf.screens, function(width) {
if (w <= width) { addClass("lt-" + width); }
})
if (w <= width) { pushClass("lt-" + width); }
});
}

screenSize();
window.onresize = screenSize;

head.feature("script", true);

screenSize();
window.onresize = screenSize;

api.feature("script", true).feature();

})(document);


(function(doc) {
(function(api) {

/* CSS modernizer */
var el = doc.createElement("i"),
var el = document.createElement("i"),
style = el.style,
prefs = ' -o- -moz- -ms- -webkit- -khtml- '.split(' ');

Expand Down Expand Up @@ -189,17 +202,25 @@
}

};

var api = window[head_conf.head];


// queue features
for (var key in tests) {
api.feature(key, tests[key].call());
if (tests[key]) {
api.feature(key, tests[key].call(), true);
}
}

})(document);
// enable features at once
api.feature();


})(window[head_conf.head]);


(function(doc) {

var ready = false,
var head = doc.documentElement,
ready = false,
queue = [],
thelast = [], // functions to be executed last
waiters = {}, // functions waiting for scripts
Expand All @@ -217,16 +238,17 @@
next = rest[0];

if (!ready) {
return queue.push(function() {
queue.push(function() {
api.js.apply(null, args);
});
return api;
}

// multiple arguments
if (next) {

// preload all immediately
if (!isFunc(next)) preloadAll.apply(null, rest);
if (!isFunc(next)) { preloadAll.apply(null, rest); }

// load all recursively in order
load(getScript(args[0]), isFunc(next) ? next : function() {
Expand All @@ -235,10 +257,10 @@

// single script
} else {
load(getScript(args[0]));
load(getScript(args[0]));
}

return api.js;
return api;
};

api.ready = function(key, fn) {
Expand All @@ -248,25 +270,21 @@

var arr = waiters[key];
if (!arr) { arr = waiters[key] = [fn]; }
else arr.push[fn];
return api.js;
};

/*
api.dump = function() {
console.info(scripts);
else { arr.push(fn); }
return api;
};
*/

/*** private functions ***/
function getScript(url) {

var script = scripts[url.url || url];
if (script) return script;
if (script) { return script; }

if (typeof url == 'object') {
for (var key in url) {
script = { name: key, url: url[key] };
if (url[key]) {
script = { name: key, url: url[key] };
}
}
} else {
script = { name: url.substring(url.indexOf("/", 10) + 1, url.indexOf("?")), url: url };
Expand All @@ -277,14 +295,15 @@
}

function each(arr, fn) {
if (!arr) return;
if (!arr) { return; }

// arguments special type
if (typeof arr == 'object') { arr = [].slice.call(arr); }

// do the job
for (var i = 0; i < arr.length; i++)
for (var i = 0; i < arr.length; i++) {
fn.call(arr, arr[i], i);
}
}

function isFunc(el) {
Expand All @@ -299,23 +318,20 @@
});
}

function onPreload(script) {
script.state = "preloaded";

each(script.onpreload, function(el) {
el.call();
});
}

function preload(script, callback) {

if (!script.state) {

//* console.info("PRELOAD", script.name)

script.state = "preloading";
script.onpreload = [];

function onload() {
script.state = "preloaded";

//* console.info(" PRE", script.name);
each(script.onpreload, function(el) {
el.call();
});
}

/*
Browser detection required. Firefox does not support script.type = text/cache
Expand All @@ -328,24 +344,24 @@
obj.height = 0;

obj.onload = function() {
onload();
onPreload(script);

// avoid spinning progress indicator with setTimeout
setTimeout(function() { doc.body.removeChild(obj); }, 1);
setTimeout(function() { head.removeChild(obj); }, 1);
};

doc.body.appendChild(obj);
head.appendChild(obj);

} else {
scriptTag({ src: script.url, type: 'cache'}, onload);
}

scriptTag({ src: script.url, type: 'cache'}, function() {
onPreload(script);
});
}
}
}


function load(script, callback) {

function load(script, callback) {

if (script.state == 'loaded') { return callback(); }

Expand All @@ -354,18 +370,14 @@
load(script, callback);
});
}

//* console.info("LOAD", script.name, ":", script.state)

script.state = 'loading';

scriptTag(script.url, function() {

script.state = 'loaded';

if (callback) callback.call();

//* console.info(" LOADED", script.name);
if (callback) { callback.call(); }

// waiters for this script
each(waiters[script.name], function(fn) {
Expand All @@ -376,12 +388,12 @@
var allLoaded = true;

for (var key in scripts) {
if (scripts[key].state != 'loaded') allLoaded = false;
if (scripts[key].state != 'loaded') { allLoaded = false; }
}

if (allLoaded) {
each(thelast, function(fn) {
if (!fn.done) fn.call();
if (!fn.done) { fn.call(); }
fn.done = true;
});
}
Expand All @@ -392,9 +404,7 @@
// if callback == true --> preload
function scriptTag(src, callback) {

var head = doc.getElementsByTagName('head')[0],
elem = doc.createElement('script');

var elem = doc.createElement('script');
elem.type = 'text/' + (src.type || 'javascript');
elem.src = src.src || src;

Expand All @@ -413,13 +423,16 @@
head.appendChild(elem);
}

// DomContentLoaded no better
/*
This timer delays the start a little. All just become more robust.
Still a bit of a mystery. Will investigate report when all clear.
Not related to DomContentLoaded.
*/
setTimeout(function() {
ready = true;
each(queue, function(fn) {
fn.call();
});
}, 50);

}, 200);

})(document);

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