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-rw-r--r--browser/base/content/browser-addons.js742
1 files changed, 0 insertions, 742 deletions
diff --git a/browser/base/content/browser-addons.js b/browser/base/content/browser-addons.js
deleted file mode 100644
index 1d881536a..000000000
--- a/browser/base/content/browser-addons.js
+++ /dev/null
@@ -1,742 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
- * 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/. */
-
-// Removes a doorhanger notification if all of the installs it was notifying
-// about have ended in some way.
-function removeNotificationOnEnd(notification, installs) {
- let count = installs.length;
-
- function maybeRemove(install) {
- install.removeListener(this);
-
- if (--count == 0) {
- // Check that the notification is still showing
- let current = PopupNotifications.getNotification(notification.id, notification.browser);
- if (current === notification)
- notification.remove();
- }
- }
-
- for (let install of installs) {
- install.addListener({
- onDownloadCancelled: maybeRemove,
- onDownloadFailed: maybeRemove,
- onInstallFailed: maybeRemove,
- onInstallEnded: maybeRemove
- });
- }
-}
-
-const gXPInstallObserver = {
- _findChildShell: function (aDocShell, aSoughtShell)
- {
- if (aDocShell == aSoughtShell)
- return aDocShell;
-
- var node = aDocShell.QueryInterface(Components.interfaces.nsIDocShellTreeItem);
- for (var i = 0; i < node.childCount; ++i) {
- var docShell = node.getChildAt(i);
- docShell = this._findChildShell(docShell, aSoughtShell);
- if (docShell == aSoughtShell)
- return docShell;
- }
- return null;
- },
-
- _getBrowser: function (aDocShell)
- {
- for (let browser of gBrowser.browsers) {
- if (this._findChildShell(browser.docShell, aDocShell))
- return browser;
- }
- return null;
- },
-
- pendingInstalls: new WeakMap(),
-
- showInstallConfirmation: function(browser, installInfo, height = undefined) {
- // If the confirmation notification is already open cache the installInfo
- // and the new confirmation will be shown later
- if (PopupNotifications.getNotification("addon-install-confirmation", browser)) {
- let pending = this.pendingInstalls.get(browser);
- if (pending) {
- pending.push(installInfo);
- } else {
- this.pendingInstalls.set(browser, [installInfo]);
- }
- return;
- }
-
- let showNextConfirmation = () => {
- // Make sure the browser is still alive.
- if (gBrowser.browsers.indexOf(browser) == -1)
- return;
-
- let pending = this.pendingInstalls.get(browser);
- if (pending && pending.length)
- this.showInstallConfirmation(browser, pending.shift());
- }
-
- // If all installs have already been cancelled in some way then just show
- // the next confirmation
- if (installInfo.installs.every(i => i.state != AddonManager.STATE_DOWNLOADED)) {
- showNextConfirmation();
- return;
- }
-
- const anchorID = "addons-notification-icon";
-
- // Make notifications persist a minimum of 30 seconds
- var options = {
- displayURI: installInfo.originatingURI,
- timeout: Date.now() + 30000,
- };
-
- let cancelInstallation = () => {
- if (installInfo) {
- for (let install of installInfo.installs) {
- // The notification may have been closed because the add-ons got
- // cancelled elsewhere, only try to cancel those that are still
- // pending install.
- if (install.state != AddonManager.STATE_CANCELLED)
- install.cancel();
- }
- }
-
- this.acceptInstallation = null;
-
- showNextConfirmation();
- };
-
- let unsigned = installInfo.installs.filter(i => i.addon.signedState <= AddonManager.SIGNEDSTATE_MISSING);
- let someUnsigned = unsigned.length > 0 && unsigned.length < installInfo.installs.length;
-
- options.eventCallback = (aEvent) => {
- switch (aEvent) {
- case "removed":
- cancelInstallation();
- break;
- case "shown":
- let addonList = document.getElementById("addon-install-confirmation-content");
- while (addonList.firstChild)
- addonList.firstChild.remove();
-
- for (let install of installInfo.installs) {
- let container = document.createElement("hbox");
-
- let name = document.createElement("label");
- name.setAttribute("value", install.addon.name);
- name.setAttribute("class", "addon-install-confirmation-name");
- container.appendChild(name);
-
- if (someUnsigned && install.addon.signedState <= AddonManager.SIGNEDSTATE_MISSING) {
- let unsigned = document.createElement("label");
- unsigned.setAttribute("value", gNavigatorBundle.getString("addonInstall.unsigned"));
- unsigned.setAttribute("class", "addon-install-confirmation-unsigned");
- container.appendChild(unsigned);
- }
-
- addonList.appendChild(container);
- }
-
- this.acceptInstallation = () => {
- for (let install of installInfo.installs)
- install.install();
- installInfo = null;
-
- Services.telemetry
- .getHistogramById("SECURITY_UI")
- .add(Ci.nsISecurityUITelemetry.WARNING_CONFIRM_ADDON_INSTALL_CLICK_THROUGH);
- };
- break;
- }
- };
-
- options.learnMoreURL = Services.urlFormatter.formatURLPref("app.support.baseURL");
-
- let messageString;
- let notification = document.getElementById("addon-install-confirmation-notification");
- if (unsigned.length == installInfo.installs.length) {
- // None of the add-ons are verified
- messageString = gNavigatorBundle.getString("addonConfirmInstallUnsigned.message");
- notification.setAttribute("warning", "true");
- options.learnMoreURL += "unsigned-addons";
- }
- else if (unsigned.length == 0) {
- // All add-ons are verified or don't need to be verified
- messageString = gNavigatorBundle.getString("addonConfirmInstall.message");
- notification.removeAttribute("warning");
- options.learnMoreURL += "find-and-install-add-ons";
- }
- else {
- // Some of the add-ons are unverified, the list of names will indicate
- // which
- messageString = gNavigatorBundle.getString("addonConfirmInstallSomeUnsigned.message");
- notification.setAttribute("warning", "true");
- options.learnMoreURL += "unsigned-addons";
- }
-
- let brandBundle = document.getElementById("bundle_brand");
- let brandShortName = brandBundle.getString("brandShortName");
-
- messageString = PluralForm.get(installInfo.installs.length, messageString);
- messageString = messageString.replace("#1", brandShortName);
- messageString = messageString.replace("#2", installInfo.installs.length);
-
- let cancelButton = document.getElementById("addon-install-confirmation-cancel");
- cancelButton.label = gNavigatorBundle.getString("addonInstall.cancelButton.label");
- cancelButton.accessKey = gNavigatorBundle.getString("addonInstall.cancelButton.accesskey");
-
- let acceptButton = document.getElementById("addon-install-confirmation-accept");
- acceptButton.label = gNavigatorBundle.getString("addonInstall.acceptButton.label");
- acceptButton.accessKey = gNavigatorBundle.getString("addonInstall.acceptButton.accesskey");
-
- if (height) {
- let notification = document.getElementById("addon-install-confirmation-notification");
- notification.style.minHeight = height + "px";
- }
-
- let tab = gBrowser.getTabForBrowser(browser);
- if (tab) {
- gBrowser.selectedTab = tab;
- }
-
- let popup = PopupNotifications.show(browser, "addon-install-confirmation",
- messageString, anchorID, null, null,
- options);
-
- removeNotificationOnEnd(popup, installInfo.installs);
-
- Services.telemetry
- .getHistogramById("SECURITY_UI")
- .add(Ci.nsISecurityUITelemetry.WARNING_CONFIRM_ADDON_INSTALL);
- },
-
- observe: function (aSubject, aTopic, aData)
- {
- var brandBundle = document.getElementById("bundle_brand");
- var installInfo = aSubject.QueryInterface(Components.interfaces.amIWebInstallInfo);
- var browser = installInfo.browser;
-
- // Make sure the browser is still alive.
- if (!browser || gBrowser.browsers.indexOf(browser) == -1)
- return;
-
- const anchorID = "addons-notification-icon";
- var messageString, action;
- var brandShortName = brandBundle.getString("brandShortName");
-
- var notificationID = aTopic;
- // Make notifications persist a minimum of 30 seconds
- var options = {
- displayURI: installInfo.originatingURI,
- timeout: Date.now() + 30000,
- };
-
- switch (aTopic) {
- case "addon-install-disabled": {
- notificationID = "xpinstall-disabled";
-
- if (gPrefService.prefIsLocked("xpinstall.enabled")) {
- messageString = gNavigatorBundle.getString("xpinstallDisabledMessageLocked");
- buttons = [];
- }
- else {
- messageString = gNavigatorBundle.getString("xpinstallDisabledMessage");
-
- action = {
- label: gNavigatorBundle.getString("xpinstallDisabledButton"),
- accessKey: gNavigatorBundle.getString("xpinstallDisabledButton.accesskey"),
- callback: function editPrefs() {
- gPrefService.setBoolPref("xpinstall.enabled", true);
- }
- };
- }
-
- PopupNotifications.show(browser, notificationID, messageString, anchorID,
- action, null, options);
- break; }
- case "addon-install-origin-blocked": {
- messageString = gNavigatorBundle.getFormattedString("xpinstallPromptMessage",
- [brandShortName]);
-
- let secHistogram = Components.classes["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry).getHistogramById("SECURITY_UI");
- secHistogram.add(Ci.nsISecurityUITelemetry.WARNING_ADDON_ASKING_PREVENTED);
- let popup = PopupNotifications.show(browser, notificationID,
- messageString, anchorID,
- null, null, options);
- removeNotificationOnEnd(popup, installInfo.installs);
- break; }
- case "addon-install-blocked": {
- messageString = gNavigatorBundle.getFormattedString("xpinstallPromptMessage",
- [brandShortName]);
-
- let secHistogram = Components.classes["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry).getHistogramById("SECURITY_UI");
- action = {
- label: gNavigatorBundle.getString("xpinstallPromptAllowButton"),
- accessKey: gNavigatorBundle.getString("xpinstallPromptAllowButton.accesskey"),
- callback: function() {
- secHistogram.add(Ci.nsISecurityUITelemetry.WARNING_ADDON_ASKING_PREVENTED_CLICK_THROUGH);
- installInfo.install();
- }
- };
-
- secHistogram.add(Ci.nsISecurityUITelemetry.WARNING_ADDON_ASKING_PREVENTED);
- let popup = PopupNotifications.show(browser, notificationID,
- messageString, anchorID,
- action, null, options);
- removeNotificationOnEnd(popup, installInfo.installs);
- break; }
- case "addon-install-started": {
- let needsDownload = function needsDownload(aInstall) {
- return aInstall.state != AddonManager.STATE_DOWNLOADED;
- }
- // If all installs have already been downloaded then there is no need to
- // show the download progress
- if (!installInfo.installs.some(needsDownload))
- return;
- notificationID = "addon-progress";
- messageString = gNavigatorBundle.getString("addonDownloadingAndVerifying");
- messageString = PluralForm.get(installInfo.installs.length, messageString);
- messageString = messageString.replace("#1", installInfo.installs.length);
- options.installs = installInfo.installs;
- options.contentWindow = browser.contentWindow;
- options.sourceURI = browser.currentURI;
- options.eventCallback = (aEvent) => {
- switch (aEvent) {
- case "removed":
- options.contentWindow = null;
- options.sourceURI = null;
- break;
- }
- };
- let notification = PopupNotifications.show(browser, notificationID, messageString,
- anchorID, null, null, options);
- notification._startTime = Date.now();
-
- let cancelButton = document.getElementById("addon-progress-cancel");
- cancelButton.label = gNavigatorBundle.getString("addonInstall.cancelButton.label");
- cancelButton.accessKey = gNavigatorBundle.getString("addonInstall.cancelButton.accesskey");
-
- let acceptButton = document.getElementById("addon-progress-accept");
- if (Preferences.get("xpinstall.customConfirmationUI", false)) {
- acceptButton.label = gNavigatorBundle.getString("addonInstall.acceptButton.label");
- acceptButton.accessKey = gNavigatorBundle.getString("addonInstall.acceptButton.accesskey");
- } else {
- acceptButton.hidden = true;
- }
- break; }
- case "addon-install-failed": {
- // TODO This isn't terribly ideal for the multiple failure case
- for (let install of installInfo.installs) {
- let host;
- try {
- host = options.displayURI.host;
- } catch (e) {
- // displayURI might be missing or 'host' might throw for non-nsStandardURL nsIURIs.
- }
-
- if (!host)
- host = (install.sourceURI instanceof Ci.nsIStandardURL) &&
- install.sourceURI.host;
-
- let error = (host || install.error == 0) ? "addonInstallError" : "addonLocalInstallError";
- let args;
- if (install.error < 0) {
- error += install.error;
- args = [brandShortName, install.name];
- } else if (install.addon.blocklistState == Ci.nsIBlocklistService.STATE_BLOCKED) {
- error += "Blocklisted";
- args = [install.name];
- } else {
- error += "Incompatible";
- args = [brandShortName, Services.appinfo.version, install.name];
- }
-
- // Add Learn More link when refusing to install an unsigned add-on
- if (install.error == AddonManager.ERROR_SIGNEDSTATE_REQUIRED) {
- options.learnMoreURL = Services.urlFormatter.formatURLPref("app.support.baseURL") + "unsigned-addons";
- }
-
- messageString = gNavigatorBundle.getFormattedString(error, args);
-
- PopupNotifications.show(browser, notificationID, messageString, anchorID,
- action, null, options);
-
- // Can't have multiple notifications with the same ID, so stop here.
- break;
- }
- this._removeProgressNotification(browser);
- break; }
- case "addon-install-confirmation": {
- let showNotification = () => {
- let height = undefined;
-
- if (PopupNotifications.isPanelOpen) {
- let rect = document.getElementById("addon-progress-notification").getBoundingClientRect();
- height = rect.height;
- }
-
- this._removeProgressNotification(browser);
- this.showInstallConfirmation(browser, installInfo, height);
- };
-
- let progressNotification = PopupNotifications.getNotification("addon-progress", browser);
- if (progressNotification) {
- let downloadDuration = Date.now() - progressNotification._startTime;
- let securityDelay = Services.prefs.getIntPref("security.dialog_enable_delay") - downloadDuration;
- if (securityDelay > 0) {
- setTimeout(() => {
- // The download may have been cancelled during the security delay
- if (PopupNotifications.getNotification("addon-progress", browser))
- showNotification();
- }, securityDelay);
- break;
- }
- }
- showNotification();
- break; }
- case "addon-install-complete": {
- let needsRestart = installInfo.installs.some(function(i) {
- return i.addon.pendingOperations != AddonManager.PENDING_NONE;
- });
-
- if (needsRestart) {
- notificationID = "addon-install-restart";
- messageString = gNavigatorBundle.getString("addonsInstalledNeedsRestart");
- action = {
- label: gNavigatorBundle.getString("addonInstallRestartButton"),
- accessKey: gNavigatorBundle.getString("addonInstallRestartButton.accesskey"),
- callback: function() {
- BrowserUtils.restartApplication();
- }
- };
- }
- else {
- messageString = gNavigatorBundle.getString("addonsInstalled");
- action = null;
- }
-
- messageString = PluralForm.get(installInfo.installs.length, messageString);
- messageString = messageString.replace("#1", installInfo.installs[0].name);
- messageString = messageString.replace("#2", installInfo.installs.length);
- messageString = messageString.replace("#3", brandShortName);
-
- // Remove notificaion on dismissal, since it's possible to cancel the
- // install through the addons manager UI, making the "restart" prompt
- // irrelevant.
- options.removeOnDismissal = true;
-
- PopupNotifications.show(browser, notificationID, messageString, anchorID,
- action, null, options);
- break; }
- }
- },
- _removeProgressNotification(aBrowser) {
- let notification = PopupNotifications.getNotification("addon-progress", aBrowser);
- if (notification)
- notification.remove();
- }
-};
-
-var LightWeightThemeWebInstaller = {
- init: function () {
- let mm = window.messageManager;
- mm.addMessageListener("LightWeightThemeWebInstaller:Install", this);
- mm.addMessageListener("LightWeightThemeWebInstaller:Preview", this);
- mm.addMessageListener("LightWeightThemeWebInstaller:ResetPreview", this);
- },
-
- receiveMessage: function (message) {
- // ignore requests from background tabs
- if (message.target != gBrowser.selectedBrowser) {
- return;
- }
-
- let data = message.data;
-
- switch (message.name) {
- case "LightWeightThemeWebInstaller:Install": {
- this._installRequest(data.themeData, data.principal, data.baseURI);
- break;
- }
- case "LightWeightThemeWebInstaller:Preview": {
- this._preview(data.themeData, data.principal, data.baseURI);
- break;
- }
- case "LightWeightThemeWebInstaller:ResetPreview": {
- this._resetPreview(data && data.principal);
- break;
- }
- }
- },
-
- handleEvent: function (event) {
- switch (event.type) {
- case "TabSelect": {
- this._resetPreview();
- break;
- }
- }
- },
-
- get _manager () {
- let temp = {};
- Cu.import("resource://gre/modules/LightweightThemeManager.jsm", temp);
- delete this._manager;
- return this._manager = temp.LightweightThemeManager;
- },
-
- _installRequest(dataString, principal, baseURI) {
- // Don't allow installing off null principals.
- if (!principal.URI) {
- return;
- }
-
- let data = this._manager.parseTheme(dataString, baseURI);
-
- if (!data) {
- return;
- }
-
- // A notification bar with the option to undo is normally shown after a
- // theme is installed. But the discovery pane served from the url(s)
- // below has its own toggle switch for quick undos, so don't show the
- // notification in that case.
- let notify = this._shouldShowUndoPrompt(principal);
- if (this._isAllowed(principal)) {
- this._install(data, notify);
- return;
- }
-
- let allowButtonText =
- gNavigatorBundle.getString("lwthemeInstallRequest.allowButton");
- let allowButtonAccesskey =
- gNavigatorBundle.getString("lwthemeInstallRequest.allowButton.accesskey");
- let message =
- gNavigatorBundle.getFormattedString("lwthemeInstallRequest.message",
- [principal.URI.host]);
- let buttons = [{
- label: allowButtonText,
- accessKey: allowButtonAccesskey,
- callback: function () {
- LightWeightThemeWebInstaller._install(data, notify);
- }
- }];
-
- this._removePreviousNotifications();
-
- let notificationBox = gBrowser.getNotificationBox();
- let notificationBar =
- notificationBox.appendNotification(message, "lwtheme-install-request", "",
- notificationBox.PRIORITY_INFO_MEDIUM,
- buttons);
- notificationBar.persistence = 1;
- },
-
- _install: function (newLWTheme, notify) {
- let previousLWTheme = this._manager.currentTheme;
-
- let listener = {
- onEnabling: function(aAddon, aRequiresRestart) {
- if (!aRequiresRestart) {
- return;
- }
-
- let messageString = gNavigatorBundle.getFormattedString("lwthemeNeedsRestart.message",
- [aAddon.name], 1);
-
- let action = {
- label: gNavigatorBundle.getString("lwthemeNeedsRestart.button"),
- accessKey: gNavigatorBundle.getString("lwthemeNeedsRestart.accesskey"),
- callback: function () {
- BrowserUtils.restartApplication();
- }
- };
-
- let options = {
- timeout: Date.now() + 30000
- };
-
- PopupNotifications.show(gBrowser.selectedBrowser, "addon-theme-change",
- messageString, "addons-notification-icon",
- action, null, options);
- },
-
- onEnabled: function(aAddon) {
- if (notify) {
- LightWeightThemeWebInstaller._postInstallNotification(newLWTheme, previousLWTheme);
- }
- }
- };
-
- AddonManager.addAddonListener(listener);
- this._manager.currentTheme = newLWTheme;
- AddonManager.removeAddonListener(listener);
- },
-
- _postInstallNotification: function (newTheme, previousTheme) {
- function text(id) {
- return gNavigatorBundle.getString("lwthemePostInstallNotification." + id);
- }
-
- let buttons = [{
- label: text("undoButton"),
- accessKey: text("undoButton.accesskey"),
- callback: function () {
- LightWeightThemeWebInstaller._manager.forgetUsedTheme(newTheme.id);
- LightWeightThemeWebInstaller._manager.currentTheme = previousTheme;
- }
- }, {
- label: text("manageButton"),
- accessKey: text("manageButton.accesskey"),
- callback: function () {
- BrowserOpenAddonsMgr("addons://list/theme");
- }
- }];
-
- this._removePreviousNotifications();
-
- let notificationBox = gBrowser.getNotificationBox();
- let notificationBar =
- notificationBox.appendNotification(text("message"),
- "lwtheme-install-notification", "",
- notificationBox.PRIORITY_INFO_MEDIUM,
- buttons);
- notificationBar.persistence = 1;
- notificationBar.timeout = Date.now() + 20000; // 20 seconds
- },
-
- _removePreviousNotifications: function () {
- let box = gBrowser.getNotificationBox();
-
- ["lwtheme-install-request",
- "lwtheme-install-notification"].forEach(function (value) {
- let notification = box.getNotificationWithValue(value);
- if (notification)
- box.removeNotification(notification);
- });
- },
-
- _preview(dataString, principal, baseURI) {
- if (!this._isAllowed(principal))
- return;
-
- let data = this._manager.parseTheme(dataString, baseURI);
- if (!data)
- return;
-
- this._resetPreview();
- gBrowser.tabContainer.addEventListener("TabSelect", this, false);
- this._manager.previewTheme(data);
- },
-
- _resetPreview(principal) {
- if (!this._isAllowed(principal))
- return;
- gBrowser.tabContainer.removeEventListener("TabSelect", this, false);
- this._manager.resetPreview();
- },
-
- _isAllowed(principal) {
- if (!principal || !principal.URI || !principal.URI.schemeIs("https")) {
- return false;
- }
-
- let pm = Services.perms;
- return pm.testPermission(principal.URI, "install") == pm.ALLOW_ACTION;
- },
-
- _shouldShowUndoPrompt(principal) {
- if (!principal || !principal.URI) {
- return true;
- }
-
- let prePath = principal.URI.prePath;
- if (prePath == "https://addons.palemoon.org") {
- return false;
- }
-
- return true;
- }
-};
-
-/*
- * Listen for Lightweight Theme styling changes and update the browser's theme accordingly.
- */
-var LightweightThemeListener = {
- _modifiedStyles: [],
-
- init: function () {
- XPCOMUtils.defineLazyGetter(this, "styleSheet", function() {
- for (let i = document.styleSheets.length - 1; i >= 0; i--) {
- let sheet = document.styleSheets[i];
- if (sheet.href == "chrome://browser/skin/browser-lightweightTheme.css")
- return sheet;
- }
- return undefined;
- });
-
- Services.obs.addObserver(this, "lightweight-theme-styling-update", false);
- Services.obs.addObserver(this, "lightweight-theme-optimized", false);
- if (document.documentElement.hasAttribute("lwtheme"))
- this.updateStyleSheet(document.documentElement.style.backgroundImage);
- },
-
- uninit: function () {
- Services.obs.removeObserver(this, "lightweight-theme-styling-update");
- Services.obs.removeObserver(this, "lightweight-theme-optimized");
- },
-
- /**
- * Append the headerImage to the background-image property of all rulesets in
- * browser-lightweightTheme.css.
- *
- * @param headerImage - a string containing a CSS image for the lightweight theme header.
- */
- updateStyleSheet: function(headerImage) {
- if (!this.styleSheet)
- return;
- this.substituteRules(this.styleSheet.cssRules, headerImage);
- },
-
- substituteRules: function(ruleList, headerImage, existingStyleRulesModified = 0) {
- let styleRulesModified = 0;
- for (let i = 0; i < ruleList.length; i++) {
- let rule = ruleList[i];
- if (rule instanceof Ci.nsIDOMCSSGroupingRule) {
- // Add the number of modified sub-rules to the modified count
- styleRulesModified += this.substituteRules(rule.cssRules, headerImage, existingStyleRulesModified + styleRulesModified);
- } else if (rule instanceof Ci.nsIDOMCSSStyleRule) {
- if (!rule.style.backgroundImage)
- continue;
- let modifiedIndex = existingStyleRulesModified + styleRulesModified;
- if (!this._modifiedStyles[modifiedIndex])
- this._modifiedStyles[modifiedIndex] = { backgroundImage: rule.style.backgroundImage };
-
- rule.style.backgroundImage = this._modifiedStyles[modifiedIndex].backgroundImage + ", " + headerImage;
- styleRulesModified++;
- } else {
- Cu.reportError("Unsupported rule encountered");
- }
- }
- return styleRulesModified;
- },
-
- // nsIObserver
- observe: function (aSubject, aTopic, aData) {
- if ((aTopic != "lightweight-theme-styling-update" && aTopic != "lightweight-theme-optimized") ||
- !this.styleSheet)
- return;
-
- if (aTopic == "lightweight-theme-optimized" && aSubject != window)
- return;
-
- let themeData = JSON.parse(aData);
- if (!themeData)
- return;
- this.updateStyleSheet("url(" + themeData.headerURL + ")");
- },
-};