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kick out orphaned script

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This commit is contained in:
tophf 2017-11-25 23:29:59 +03:00
parent e4de02995c
commit babeb695c1
1 changed files with 10 additions and 31 deletions
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41
content/install-hook-userstyles.js
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@ -1,17 +1,15 @@
'use strict';
const CHROMIUM = chrome.app && /Chromium/.test(navigator.userAgent); // non-Windows Chromium
const FIREFOX = !chrome.app;
const VIVALDI = chrome.app && /Vivaldi/.test(navigator.userAgent);
const OPERA = chrome.app && /OPR/.test(navigator.userAgent);
document.addEventListener('stylishUpdate', onClick);
document.addEventListener('stylishUpdateChrome', onClick);
document.addEventListener('stylishUpdateOpera', onClick);
window.dispatchEvent(new CustomEvent(chrome.runtime.id + '-install'));
window.addEventListener(chrome.runtime.id + '-install', orphanCheck, true);
document.addEventListener('stylishInstall', onClick);
document.addEventListener('stylishInstallChrome', onClick);
document.addEventListener('stylishInstallOpera', onClick);
['Update', 'Install'].forEach(type =>
['', 'Chrome', 'Opera'].forEach(browser =>
document.addEventListener('stylish' + type + browser, onClick)));
chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
// orphaned content script check
@ -190,7 +188,7 @@ function sendEvent(type, detail = null) {
function onClick(event) {
if (onClick.processing || !orphanCheck || !orphanCheck()) {
if (onClick.processing) {
return;
}
onClick.processing = true;
@ -361,27 +359,8 @@ function orphanCheck() {
}
// we're orphaned due to an extension update
// we can detach event listeners
document.removeEventListener('stylishUpdate', onClick);
document.removeEventListener('stylishUpdateChrome', onClick);
document.removeEventListener('stylishUpdateOpera', onClick);
document.removeEventListener('stylishInstall', onClick);
document.removeEventListener('stylishInstallChrome', onClick);
document.removeEventListener('stylishInstallOpera', onClick);
// we can't detach chrome.runtime.onMessage because it's no longer connected internally
// we can destroy global functions in this context to free up memory
[
'checkUpdatability',
'getMeta',
'getResource',
'onDOMready',
'onClick',
'onInstall',
'onUpdate',
'orphanCheck',
'saveStyleCode',
'sendEvent',
'styleSectionsEqual',
].forEach(fn => (window[fn] = null));
window.removeEventListener(chrome.runtime.id + '-install', orphanCheck, true);
['Update', 'Install'].forEach(type =>
['', 'Chrome', 'Opera'].forEach(browser =>
document.addEventListener('stylish' + type + browser, onClick)));
}