91 lines
2.7 KiB
JavaScript
91 lines
2.7 KiB
JavaScript
const UNCHK_SCRIPT = `
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function disable_checkboxes(element){
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document.body.querySelectorAll('input[type="checkbox"]').forEach(function(el){
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el.checked = false
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})
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}
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disable_checkboxes(document.body)
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document.body.querySelectorAll('iframe').forEach(function(el){disable_checkboxes(el.contentDocument || el.contentWindow.document)})
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`
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const CHK_SCRIPT = `
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function check_checkboxes(element){
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document.body.querySelectorAll('input[type="checkbox"]').forEach(function(el){
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el.checked = true
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})
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}
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check_checkboxes(document.body)
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document.body.querySelectorAll('iframe').forEach(function(el){check_checkboxes(el.contentDocument || el.contentWindow.document)})
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`
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const TITLE_APPLY = "Uncheck all checkboxes";
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const TITLE_REMOVE = "Check all checkboxes";
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const APPLICABLE_PROTOCOLS = ["http:", "https:"];
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/*
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Toggle Script: based on the current title, insert or remove the Script.
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Update the page action's title and icon to reflect its state.
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*/
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function toggleScript(tab) {
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function gotTitle(title) {
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if (title === TITLE_APPLY) {
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browser.browserAction.setIcon({tabId: tab.id, path: "icons/off.svg"});
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browser.browserAction.setTitle({tabId: tab.id, title: TITLE_REMOVE});
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browser.tabs.executeScript({
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code: UNCHK_SCRIPT
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});
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} else {
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browser.browserAction.setIcon({tabId: tab.id, path: "icons/on.svg"});
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browser.browserAction.setTitle({tabId: tab.id, title: TITLE_APPLY});
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browser.tabs.executeScript({
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code: CHK_SCRIPT
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});
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}
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}
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var gettingTitle = browser.browserAction.getTitle({tabId: tab.id});
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gettingTitle.then(gotTitle);
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}
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/*
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Returns true only if the URL's protocol is in APPLICABLE_PROTOCOLS.
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*/
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function protocolIsApplicable(url) {
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var anchor = document.createElement('a');
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anchor.href = url;
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return APPLICABLE_PROTOCOLS.includes(anchor.protocol);
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}
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/*
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Initialize the page action: set icon and title, then show.
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Only operates on tabs whose URL's protocol is applicable.
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*/
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function initializebrowserAction(tab) {
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if (protocolIsApplicable(tab.url)) {
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browser.browserAction.setIcon({tabId: tab.id, path: "icons/on.svg"});
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browser.browserAction.setTitle({tabId: tab.id, title: TITLE_APPLY});
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browser.browserAction.show(tab.id);
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}
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}
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/*
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When first loaded, initialize the page action for all tabs.
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*/
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var gettingAllTabs = browser.tabs.query({});
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gettingAllTabs.then((tabs) => {
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for (let tab of tabs) {
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initializebrowserAction(tab);
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}
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});
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/*
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Each time a tab is updated, reset the page action for that tab.
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*/
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browser.tabs.onUpdated.addListener((id, changeInfo, tab) => {
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initializebrowserAction(tab);
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});
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/*
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Toggle Script when the page action is clicked.
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*/
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browser.browserAction.onClicked.addListener(toggleScript);
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