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@shaliko
Created November 19, 2012 14:05
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Cross browser print request detection (IE 5+, Firefox 6+, Chrome 9+, and Safari 5.1+ )
(function() {
var beforePrint = function() {
console.log('Functionality to run before printing.');
};
var afterPrint = function() {
console.log('Functionality to run after printing');
};
if (window.matchMedia) {
var mediaQueryList = window.matchMedia('print');
mediaQueryList.addListener(function(mql) {
if (mql.matches) {
beforePrint();
} else {
afterPrint();
}
});
}
window.onbeforeprint = beforePrint;
window.onafterprint = afterPrint;
}());
@tsukasa-mixer
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$.fn.beforeprint = function(callback) {
    return $(this).each(function() {
        if ( !jQuery.isWindow(this) )
            return;
        if ( this.onbeforeprint !== undefined )
            $(this).on('beforeprint', callback);
        else if ( this.matchMedia )
            this.matchMedia('print').addListener(callback);
    });
};
$.fn.afterprint = function(callback) {
    return $(this).each(function() {
        if ( !jQuery.isWindow(this) )
            return;
        if ( this.onafterprint !== undefined )
            $(this).on('afterprint', callback);
        else if ( this.matchMedia )
            $(this).one('mouseover', callback);
    });
};

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