Files
notifications-admin/app/assets/javascripts/cookieMessage.js
Tom Byers f46dba8948 Move code for deleting old cookies into banner JS
Removes the following cookies:
- seen_cookie_message (flags if banner was already
  shown)
- _gid (Google Analytics cookie)
- _ga (Google Analytics cookie)

These were set by default before so potentially
still around for some users.

The code for this now exists as a static method on
the cookieMessage module and is called when the JS
loads for the first time.
2020-01-03 17:28:33 +00:00

103 lines
3.7 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
window.GOVUK = window.GOVUK || {};
window.GOVUK.Modules = window.GOVUK.Modules || {};
(function (Modules) {
function CookieBanner () { }
CookieBanner.clearOldCookies = function () {
// clear any cookies set by the previous version
var oldCookies = ['seen_cookie_message', '_ga', '_gid'];
for (var i = 0; i < oldCookies.length; i++) {
if (window.GOVUK.cookie(oldCookies[i])) {
var cookieString = oldCookies[i] + '=;expires=' + new Date() + ';domain=' + window.location.hostname.replace(/^www\./, '.') + ';path=/';
document.cookie = cookieString;
}
}
};
CookieBanner.prototype.start = function ($module) {
this.$module = $module[0];
this.$module.hideCookieMessage = this.hideCookieMessage.bind(this);
this.$module.showConfirmationMessage = this.showConfirmationMessage.bind(this);
this.$module.setCookieConsent = this.setCookieConsent.bind(this);
this.$module.cookieBanner = document.querySelector('.notify-cookie-banner');
this.$module.cookieBannerConfirmationMessage = this.$module.querySelector('.notify-cookie-banner__confirmation');
this.setupCookieMessage();
};
CookieBanner.prototype.setupCookieMessage = function () {
this.$hideLink = this.$module.querySelector('button[data-hide-cookie-banner]');
if (this.$hideLink) {
this.$hideLink.addEventListener('click', this.$module.hideCookieMessage);
}
this.$acceptCookiesLink = this.$module.querySelector('button[data-accept-cookies=true]');
if (this.$acceptCookiesLink) {
this.$acceptCookiesLink.addEventListener('click', () => this.$module.setCookieConsent(true));
}
this.$rejectCookiesLink = this.$module.querySelector('button[data-accept-cookies=false]');
if (this.$rejectCookiesLink) {
this.$rejectCookiesLink.addEventListener('click', () => this.$module.setCookieConsent(false));
}
this.showCookieMessage();
};
CookieBanner.prototype.showCookieMessage = function () {
// Show the cookie banner if not in the cookie settings page
if (!this.isInCookiesPage()) {
var hasCookiesPolicy = window.GOVUK.cookie('cookies_policy');
var shouldHaveCookieMessage = (this.$module && !hasCookiesPolicy);
if (shouldHaveCookieMessage) {
this.$module.style.display = 'block';
} else {
this.$module.style.display = 'none';
}
} else {
this.$module.style.display = 'none';
}
};
CookieBanner.prototype.hideCookieMessage = function (event) {
if (this.$module) {
this.$module.style.display = 'none';
}
if (event.target) {
event.preventDefault();
}
};
CookieBanner.prototype.setCookieConsent = function (analyticsConsent) {
window.GOVUK.setConsentCookie({ 'analytics': analyticsConsent });
this.$module.showConfirmationMessage(analyticsConsent);
this.$module.cookieBannerConfirmationMessage.focus();
if (analyticsConsent) { window.GOVUK.initAnalytics(); }
};
CookieBanner.prototype.showConfirmationMessage = function (analyticsConsent) {
var messagePrefix = analyticsConsent ? 'Youve accepted analytics cookies.' : 'You told us not to use analytics cookies.';
this.$cookieBannerMainContent = document.querySelector('.notify-cookie-banner__wrapper');
this.$cookieBannerConfirmationMessage = document.querySelector('.notify-cookie-banner__confirmation-message');
this.$cookieBannerConfirmationMessage.insertAdjacentText('afterbegin', messagePrefix);
this.$cookieBannerMainContent.style.display = 'none';
this.$module.cookieBannerConfirmationMessage.style.display = 'block';
};
CookieBanner.prototype.isInCookiesPage = function () {
return window.location.pathname === '/cookies';
};
Modules.CookieBanner = CookieBanner;
})(window.GOVUK.Modules);