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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
(function() {
/**
* Send
* - current URL
* - cookies of this page
* - all links found in this page
* to the native application.
*/
function sendCurrentState() {
let message = {
'url': document.location.href,
'urls': getLinks(),
'cookies': getCookies()
};
webkit.messageHandlers.adsMessageHandler.postMessage(message);
}
/**
* Get all links in the current page.
*
* @return {Array<string>} containing all current links in the current page.
*/
function getLinks() {
let urls = [];
let anchors = document.getElementsByTagName("a");
for (let anchor of anchors) {
if (!anchor.href) {
continue;
}
urls.push(anchor.href);
}
return urls;
}
/**
* Get all cookies for the current document.
*
* @return {Array<{name: string, value: string}>} containing all cookies.
*/
function getCookies() {
let cookiesList = document.cookie.split("; ");
let result = [];
cookiesList.forEach(cookie => {
var [name, ...value] = cookie.split('=');
// For that special cases where the value contains '='.
value = value.join("=")
result.push({
"name" : name,
"value" : value
});
});
return result;
}
// Whenever a page is first accessed or when loaded from cache
// send all needed data about the ads provider to the app.
const events = ["pageshow", "load"];
const eventLogger = event => {
switch (event.type) {
case "load":
sendCurrentState();
break;
case "pageshow":
if (event.persisted) {
sendCurrentState();
}
break;
default:
console.log('Event:', event.type);
}
};
events.forEach(eventName =>
window.addEventListener(eventName, eventLogger)
);
})();