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/**
* Wallet detection script
* Detects which browser the user is using and if the GNU Taler wallet is installed
* If the wallet isn't detected or the customer uses a browser which isn't supported, then it removes the GNU Taler payment method from the possibilities.
*
* Currently only the Browser detection is working and the wallet detection isn't
* The reason is, that we couldn't figure out how to detect the wallet with the given functions of the taler-wallet-lib.js
*/
function detectWallet() {
sUsrAg = navigator.userAgent;
if ((sUsrAg.indexOf("Firefox") > -1) || (sUsrAg.indexOf("Opera") > -1 || sUsrAg.indexOf("OPR") > -1) || (sUsrAg.indexOf("Chrome") > -1)) {
//Mozilla Firefox, Opera or Google Chrome
taler.onAbsent(() => {
//Does nothing
});
} else if ((sUsrAg.indexOf("Trident") > -1) || (sUsrAg.indexOf("Edge") > -1) || (sUsrAg.indexOf("Safari") > -1)) {
//Microsoft Internet Explorer, Microsoft edge or Apple Safari
removePaymentMethod();
} else {
//Unknown Browser
removePaymentMethod();
}
}
function removePaymentMethod() {
var observer = new MutationObserver(function (mutations, observer) {
mutations.forEach(() => {
document.getElementsByClassName("wc_payment_method payment_method_gnutaler").item(0).style.display = 'none';
});
});
// define what element should be observed by the observer
// and what types of mutations trigger the callback
observer.observe(document, {
subtree: true,
attributes: true
});
}
detectWallet();
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