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define([
"jQuery",
"utils/storage"
], function($, storage) {
var fontState;
var togglePopover = function(e) {
var $dropdown = $("#font-settings-wrapper .dropdown-menu");
$dropdown.toggleClass("open");
e.stopPropagation();
e.preventDefault();
};
var closePopover = function(e) {
var $dropdown = $("#font-settings-wrapper .dropdown-menu");
$dropdown.removeClass("open");
};
var enlargeFontSize = function(e){
var $bookBody = $(".book-body");
if (fontState.size < 4){
$bookBody.toggleClass("font-size-"+fontState.size, false);
fontState.size++;
$bookBody.toggleClass("font-size-"+fontState.size, true);
fontState.save();
}
};
var reduceFontSize = function(e){
var $bookBody = $(".book-body");
if (fontState.size > 0){
$bookBody.toggleClass("font-size-"+fontState.size);
fontState.size--;
$bookBody.toggleClass("font-size-"+fontState.size);
fontState.save();
}
};
var changeFontFamily = function(){
var $bookBody = $(".book-body");
var index = $(this).data("font");
$bookBody.toggleClass("font-family-"+fontState.family);
$(".font-settings .font-family-list li:nth-child("+(fontState.family+1)+")")
.removeClass("active");
fontState.family = index;
$bookBody.toggleClass("font-family-"+fontState.family);
$(this).addClass("active");
fontState.save();
};
var changeColorTheme = function(){
var $book = $(".book");
var index = $(this).data("theme");
if (fontState.theme !== 0)
$book.removeClass("color-theme-"+fontState.theme);
fontState.theme = index;
if (fontState.theme !== 0)
$book.addClass("color-theme-"+fontState.theme);
fontState.save();
};
var init = function() {
var $toggle, $bookBody, $dropdown, $book;
//Find DOM elements.
$book = $(".book");
$toggle = $(".book-header .toggle-font-settings");
$dropdown = $("#font-settings-wrapper .dropdown-menu");
$bookBody = $(".book-body");
//Instantiate font state object
fontState = storage.get("fontState", {
size:1,
family:0,
theme:0
});
fontState.save = function(){
storage.set("fontState",fontState);
};
$bookBody.addClass("font-size-"+fontState.size);
$bookBody.addClass("font-family-"+fontState.family);
$(".font-settings .font-family-list li:nth-child("+(fontState.family+1)+")").addClass("active");
if(fontState.theme !== 0)
$book.addClass("color-theme-"+fontState.theme);
//Add event listeners
$(document).on('click', "#enlarge-font-size", enlargeFontSize);
$(document).on('click', "#reduce-font-size", reduceFontSize);
$(document).on('click', "#font-settings-wrapper .font-family-list li", changeFontFamily);
$(document).on('click', "#font-settings-wrapper .color-theme-list button", changeColorTheme);
$(document).on('click', ".book-header .toggle-font-settings", togglePopover);
$(document).on('click', "#font-settings-wrapper .dropdown-menu", function(e){ e.stopPropagation(); });
$(document).on("click", closePopover);
};
return {
init: init
}
});
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