Protocol Check

Custom Protocol Detection in Browser

Tento skript by neměl být instalován přímo. Jedná se o knihovnu, kterou by měly jiné skripty využívat pomocí meta příkazu // @require https://update.greatest.deepsurf.us/scripts/373130/635816/Protocol%20Check.js

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.protocolCheck = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
function _registerEvent(target, eventType, cb) {
    if (target.addEventListener) {
        target.addEventListener(eventType, cb);
        return {
            remove: function () {
                target.removeEventListener(eventType, cb);
            }
        };
    } else {
        target.attachEvent(eventType, cb);
        return {
            remove: function () {
                target.detachEvent(eventType, cb);
            }
        };
    }
}

function _createHiddenIframe(target, uri) {
    var iframe = document.createElement("iframe");
    iframe.src = uri;
    iframe.id = "hiddenIframe";
    iframe.style.display = "none";
    target.appendChild(iframe);

    return iframe;
}

function openUriWithHiddenFrame(uri, failCb, successCb) {

    var timeout = setTimeout(function () {
        failCb();
        handler.remove();
    }, 1000);

    var iframe = document.querySelector("#hiddenIframe");
    if (!iframe) {
        iframe = _createHiddenIframe(document.body, "about:blank");
    }

    var handler = _registerEvent(window, "blur", onBlur);

    function onBlur() {
        clearTimeout(timeout);
        handler.remove();
        successCb();
    }

    iframe.contentWindow.location.href = uri;
}

function openUriWithTimeoutHack(uri, failCb, successCb) {
    
    var timeout = setTimeout(function () {
        failCb();
        handler.remove();
    }, 1000);

    //handle page running in an iframe (blur must be registered with top level window)
    var target = window;
    while (target != target.parent) {
        target = target.parent;
    }

    var handler = _registerEvent(target, "blur", onBlur);

    function onBlur() {
        clearTimeout(timeout);
        handler.remove();
        successCb();
    }

    window.location = uri;
}

function openUriUsingFirefox(uri, failCb, successCb) {
    var iframe = document.querySelector("#hiddenIframe");

    if (!iframe) {
        iframe = _createHiddenIframe(document.body, "about:blank");
    }

    try {
        iframe.contentWindow.location.href = uri;
        successCb();
    } catch (e) {
        if (e.name == "NS_ERROR_UNKNOWN_PROTOCOL") {
            failCb();
        }
    }
}

function openUriUsingIEInOlderWindows(uri, failCb, successCb) {
    if (getInternetExplorerVersion() === 10) {
        openUriUsingIE10InWindows7(uri, failCb, successCb);
    } else if (getInternetExplorerVersion() === 9 || getInternetExplorerVersion() === 11) {
        openUriWithHiddenFrame(uri, failCb, successCb);
    } else {
        openUriInNewWindowHack(uri, failCb, successCb);
    }
}

function openUriUsingIE10InWindows7(uri, failCb, successCb) {
    var timeout = setTimeout(failCb, 1000);
    window.addEventListener("blur", function () {
        clearTimeout(timeout);
        successCb();
    });

    var iframe = document.querySelector("#hiddenIframe");
    if (!iframe) {
        iframe = _createHiddenIframe(document.body, "about:blank");
    }
    try {
        iframe.contentWindow.location.href = uri;
    } catch (e) {
        failCb();
        clearTimeout(timeout);
    }
}

function openUriInNewWindowHack(uri, failCb, successCb) {
    var myWindow = window.open('', '', 'width=0,height=0');

    myWindow.document.write("<iframe src='" + uri + "'></iframe>");

    setTimeout(function () {
        try {
            myWindow.location.href;
            myWindow.setTimeout("window.close()", 1000);
            successCb();
        } catch (e) {
            myWindow.close();
            failCb();
        }
    }, 1000);
}

function openUriWithMsLaunchUri(uri, failCb, successCb) {
    navigator.msLaunchUri(uri,
        successCb,
        failCb
    );
}

function checkBrowser() {
    var isOpera = !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
    var ua = navigator.userAgent.toLowerCase();
    return {
        isOpera   : isOpera,
        isFirefox : typeof InstallTrigger !== 'undefined',
        isSafari  : (~ua.indexOf('safari') && !~ua.indexOf('chrome')) || Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0,
        isIOS     : /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream,
        isChrome  : !!window.chrome && !isOpera,
        isIE      : /*@cc_on!@*/false || !!document.documentMode // At least IE6
    }
}

function getInternetExplorerVersion() {
    var rv = -1;
    if (navigator.appName === "Microsoft Internet Explorer") {
        var ua = navigator.userAgent;
        var re = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
        if (re.exec(ua) != null)
            rv = parseFloat(RegExp.$1);
    }
    else if (navigator.appName === "Netscape") {
        var ua = navigator.userAgent;
        var re = new RegExp("Trident/.*rv:([0-9]{1,}[\.0-9]{0,})");
        if (re.exec(ua) != null) {
            rv = parseFloat(RegExp.$1);
        }
    }
    return rv;
}

module.exports = function(uri, failCb, successCb, unsupportedCb) {
    function failCallback() {
        failCb && failCb();
    }

    function successCallback() {
        successCb && successCb();
    }

    if (navigator.msLaunchUri) { //for IE and Edge in Win 8 and Win 10
        openUriWithMsLaunchUri(uri, failCb, successCb);
    } else {
        var browser = checkBrowser();

        if (browser.isFirefox) {
            openUriUsingFirefox(uri, failCallback, successCallback);
        } else if (browser.isChrome || browser.isIOS) {
            openUriWithTimeoutHack(uri, failCallback, successCallback);
        } else if (browser.isIE) {
            openUriUsingIEInOlderWindows(uri, failCallback, successCallback);
        } else if (browser.isSafari) {
            openUriWithHiddenFrame(uri, failCallback, successCallback);
        } else {
            unsupportedCb();
            //not supported, implement please
        }
    }
}

},{}]},{},[1])(1)
});