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[fenix] For https://github.com/mozilla-mobile/fenix/issues/6558 - change from modifying event to event listener

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The initial design replaced the onload method, which was used by others such as Bing.
With listeners it's additive, we do not replace anything.
This commit is contained in:
Mihai Branescu 2020-04-23 23:19:17 +03:00 committed by Jeff Boek
parent 431f3f989f
commit 5ed60d32d3
1 changed files with 19 additions and 11 deletions
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30
app/src/main/assets/extensions/ads/ads.js
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@ -2,7 +2,7 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this * License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const ADLINK_CHECK_TIMEOUT_MS = 1000; const ADLINK_CHECK_TIMEOUT_MS = 1000;
function collectLinks(urls) { function collectLinks(urls) {
let anchors = document.getElementsByTagName("a"); let anchors = document.getElementsByTagName("a");
@ -25,18 +25,26 @@ function sendLinks() {
browser.runtime.sendNativeMessage("MozacBrowserAds", message); browser.runtime.sendNativeMessage("MozacBrowserAds", message);
} }
const events = ["pageshow", "load", "unload"];
var timeout; var timeout;
window.onload = function() { const eventLogger = event => {
timeout = setTimeout(sendLinks, ADLINK_CHECK_TIMEOUT_MS); switch (event.type) {
}; case "load":
window.onpageshow = function(event) {
if (event.persisted) {
timeout = setTimeout(sendLinks, ADLINK_CHECK_TIMEOUT_MS); timeout = setTimeout(sendLinks, ADLINK_CHECK_TIMEOUT_MS);
} break;
case "pageshow":
if (event.persisted) {
timeout = setTimeout(sendLinks, ADLINK_CHECK_TIMEOUT_MS);
}
break;
case "unload":
clearTimeout(timeout);
default:
console.log('Event:', event.type);
}
}; };
window.onunload = function() { events.forEach(eventName =>
clearTimeout(timeout); window.addEventListener(eventName, eventLogger)
}; );