%PDF-
%PDF-
Mini Shell
Mini Shell
;(function() {
"use strict";
BX.namespace("BX.Landing.UI.Tool");
var bind = BX.Landing.Utils.bind;
var slice = BX.Landing.Utils.slice;
var onCustomEvent = BX.Landing.Utils.onCustomEvent;
var lastWidth = BX.width(window);
/**
* Checks than need adjust
* @return {boolean}
*/
function isNeedAdjust()
{
return BX.width(window) < 1100;
}
/**
* Checks that window resize
* @return {boolean}
*/
function isResized()
{
var result = lastWidth !== BX.width(window);
lastWidth = BX.width(window);
return result;
}
/**
* Implements interface for works with responsive texts
* @param {HTMLElement[]} elements
*/
BX.Landing.UI.Tool.autoFontScale = function(elements)
{
this.entries = elements.map(this.createEntry, this);
bind(window, "resize", this.onResize.bind(this, false));
bind(window, "orientationchange", this.onResize.bind(this, true));
onCustomEvent("BX.Landing.Block:init", this.onAddBlock.bind(this));
this.adjust(true);
};
BX.Landing.UI.Tool.autoFontScale.prototype = {
onResize: function(forceAdjust)
{
this.adjust(forceAdjust);
// Fallback for sliders
clearTimeout(this.falbackTimeoutId);
this.falbackTimeoutId = setTimeout(function() {
this.adjust(true);
}.bind(this), 250);
},
/**
* Adjusts text
* @param {boolean} [forceAdjust]
*/
adjust: function(forceAdjust)
{
if (forceAdjust === true || isResized())
{
var needAdjust = isNeedAdjust();
this.entries.forEach(function(entry) {
if (needAdjust)
{
entry.adjust();
}
else
{
entry.resetSize();
}
});
}
},
/**
* Creates entry
* @param {HTMLElement} element
* @return {BX.Landing.UI.Tool.autoFontScaleEntry}
*/
createEntry: function(element)
{
return new BX.Landing.UI.Tool.autoFontScaleEntry(element);
},
/**
* Adds elements
* @param {HTMLElement[]} elements
*/
addElements: function(elements)
{
elements.forEach(function(element) {
var containsElement = this.entries.some(function(entry) {
return entry.element === element;
});
if (!containsElement)
{
this.entries.push(this.createEntry(element));
}
}, this);
},
/**
* Handles add block event
* @param {BX.Landing.Event.Block} event
*/
onAddBlock: function(event)
{
var elements = slice(event.block.querySelectorAll("h1, h2, h3, h4, h5, [data-auto-font-scale]"));
this.addElements(elements);
}
}
})();
Zerion Mini Shell 1.0