LocalCDN-Firefox-Chrome-Brave/pages/options/options.js

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/**
* Main Options Page
* Belongs to Decentraleyes.
*
* @author Thomas Rientjes
* @since 2016-08-09
* @license MPL 2.0
*
* 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 file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
'use strict';
/**
* Options
*/
var options = {};
/**
* Private Methods
*/
options._renderContents = function () {
document.body.setAttribute('dir', options._scriptDirection);
helpers.insertI18nContentIntoDocument(document);
options._determineOptionValues()
.then(options._renderOptionsPanel);
};
options._renderOptionsPanel = function () {
let whitelistedDomains, domainWhitelist, elements;
whitelistedDomains = options._optionValues.whitelistedDomains;
domainWhitelist = options._serializeWhitelistedDomains(whitelistedDomains);
elements = options._optionElements;
elements.showIconBadge.checked = options._optionValues.showIconBadge;
elements.blockMissing.checked = options._optionValues.blockMissing;
elements.disablePrefetch.checked = options._optionValues.disablePrefetch;
elements.stripMetadata.checked = options._optionValues.stripMetadata;
elements.whitelistedDomains.value = domainWhitelist;
options._registerOptionChangedEventListeners(elements);
options._registerMiscellaneousEventListeners();
if (options._optionValues.blockMissing === true) {
options._renderBlockMissingNotice();
}
if (options._languageSupported === false) {
options._renderLocaleNotice();
}
};
options._renderBlockMissingNotice = function () {
let blockMissingNoticeElement = document.getElementById('notice-block-missing');
blockMissingNoticeElement.setAttribute('class', 'notice notice-warning');
};
options._hideBlockMissingNotice = function () {
let blockMissingNoticeElement = document.getElementById('notice-block-missing');
blockMissingNoticeElement.setAttribute('class', 'notice notice-warning hidden');
};
options._renderLocaleNotice = function () {
let localeNoticeElement = document.getElementById('notice-locale');
localeNoticeElement.setAttribute('class', 'notice notice-default');
};
options._registerOptionChangedEventListeners = function (elements) {
elements.showIconBadge.addEventListener('change', options._onOptionChanged);
elements.blockMissing.addEventListener('change', options._onOptionChanged);
elements.disablePrefetch.addEventListener('change', options._onOptionChanged);
elements.stripMetadata.addEventListener('change', options._onOptionChanged);
elements.whitelistedDomains.addEventListener('keyup', options._onOptionChanged);
let type = elements.ruleSets;
for(let i = 0; i < type.length; i++) {
type[i].addEventListener('change', options._openRuleSet);
}
elements.copyRuleSet.addEventListener('click', options._copyRuleSet);
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};
options._registerMiscellaneousEventListeners = function () {
let blockMissingButtonElement = document.getElementById('button-block-missing');
blockMissingButtonElement.addEventListener('click', function () {
let changeEvent = new Event('change');
options._optionElements.blockMissing.checked = false;
options._optionElements.blockMissing.dispatchEvent(changeEvent);
});
};
options._determineOptionValues = function () {
return new Promise((resolve) => {
let optionKeys = Object.keys(options._optionElements);
chrome.storage.local.get(optionKeys, function (items) {
options._optionValues = items;
resolve();
});
});
};
options._getOptionElement = function (optionKey) {
return document.querySelector(`[data-option=${optionKey}]`);
};
options._getOptionElements = function () {
let optionElements = {
[Setting.SHOW_ICON_BADGE]: options._getOptionElement(Setting.SHOW_ICON_BADGE),
[Setting.BLOCK_MISSING]: options._getOptionElement(Setting.BLOCK_MISSING),
[Setting.DISABLE_PREFETCH]: options._getOptionElement(Setting.DISABLE_PREFETCH),
[Setting.STRIP_METADATA]: options._getOptionElement(Setting.STRIP_METADATA),
[Setting.WHITELISTED_DOMAINS]: options._getOptionElement(Setting.WHITELISTED_DOMAINS),
['ruleSets']: document.getElementsByName("rule-sets"),
['copyRuleSet']: document.getElementById("button-copy-rule-set")
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};
return optionElements;
};
options._configureLinkPrefetching = function (value) {
if (value === false) {
// Restore default values of related preference values.
chrome.privacy.network.networkPredictionEnabled.clear({});
} else {
chrome.privacy.network.networkPredictionEnabled.set({
'value': false
});
}
};
options._serializeWhitelistedDomains = function (whitelistedDomains) {
let domainWhitelist, whitelistedDomainKeys;
whitelistedDomainKeys = Object.keys(whitelistedDomains);
domainWhitelist = '';
whitelistedDomainKeys.forEach(function (domain) {
domainWhitelist = `${domainWhitelist}${domain};`;
});
domainWhitelist = domainWhitelist.slice(0, -1);
domainWhitelist = domainWhitelist.replace(Whitelist.TRIM_EXPRESSION, '');
return domainWhitelist;
};
options._parseDomainWhitelist = function (domainWhitelist) {
let whitelistedDomains = {};
domainWhitelist.split(Whitelist.VALUE_SEPARATOR).forEach(function (domain) {
whitelistedDomains[helpers.normalizeDomain(domain)] = true;
});
return whitelistedDomains;
};
/**
* Event Handlers
*/
options._onDocumentLoaded = function () {
let language = navigator.language;
options._optionElements = options._getOptionElements();
options._languageSupported = helpers.languageIsFullySupported(language);
options._scriptDirection = helpers.determineScriptDirection(language);
options._renderContents();
};
options._onOptionChanged = function ({target}) {
let optionKey, optionType, optionValue;
optionKey = target.getAttribute('data-option');
optionType = target.getAttribute('type');
switch (optionType) {
case 'checkbox':
optionValue = target.checked;
break;
default:
optionValue = target.value;
}
if (optionKey === Setting.BLOCK_MISSING) {
if (optionValue === true) {
options._renderBlockMissingNotice();
} else {
options._hideBlockMissingNotice();
}
}
if (optionKey === Setting.DISABLE_PREFETCH) {
options._configureLinkPrefetching(optionValue);
}
if (optionKey === Setting.WHITELISTED_DOMAINS) {
optionValue = options._parseDomainWhitelist(optionValue);
}
chrome.storage.local.set({
[optionKey]: optionValue
});
};
options._openRuleSet = function({target}) {
let urls = mappings;
let optionKey = target.getAttribute('data-option');
let optionType = target.getAttribute('value');
let textArea = document.getElementById("generated-rules");
let btnCopy = document.getElementById("button-copy-rule-set");
let content = "";
let ruleSyntax = "";
if (optionKey === "uMatrix") {
ruleSyntax = " script allow";
} else if (optionKey === "uBlock") {
ruleSyntax = " * noop";
}
textArea.style.display = "block";
btnCopy.style.display = "block";
for (var domain in urls) {
content += "* " + domain + ruleSyntax + '\n';
}
textArea.value = content.replace(/\n+$/, "");
}
options._copyRuleSet = function() {
let textArea = document.getElementById("generated-rules");
navigator.clipboard.writeText(textArea.value).then(function() {
textArea.select();
}, function() {
alert("Rule set cannot be copied!");
});
}
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/**
* Initializations
*/
document.addEventListener('DOMContentLoaded', options._onDocumentLoaded);