/* Cycle <input> text boxes.
 * works with the types defined in 'types'.
 * Note: Does not work for <textarea>.
 *
 * Example keybind:
 * CYCLE_INPUTS = "jseval -q -f ~/.config/qutebrowser/cycle-inputs.js"
 * config.bind('gi', CYCLE_INPUTS)
 *
 * By dive on freenode <dave@dawoodfall.net>
 */

(function() {
    "use strict";
    const inputs = document.getElementsByTagName("input");
    const types = /text|password|date|email|month|number|range|search|tel|time|url|week/;
    const hidden = /hidden/;
    let found = false;

    function ishidden(el) {
        return hidden.test(el.attributes.value) || el.offsetParent === null;
    }

    for (let i = 0; i < inputs.length; i++) {
        if (inputs[i] === document.activeElement) {
            for (let k = i + 1; k < inputs.length; k++) {
                if (!ishidden(inputs[k]) && types.test(inputs[k].type)) {
                    inputs[k].focus();
                    found = true;
                    break;
                }
            }
            break;
        }
    }

    if (!found) {
        for (let i = 0; i < inputs.length; i++) {
            if (!ishidden(inputs[i]) && types.test(inputs[i].type)) {
                inputs[i].focus();
                break;
            }
        }
    }
})();

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