summaryrefslogtreecommitdiffstats
path: root/application/basilisk/base/content/browser-addons.js
diff options
context:
space:
mode:
authorwolfbeast <mcwerewolf@gmail.com>2018-06-04 13:17:38 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-06-04 13:17:38 +0200
commita1be17c1cea81ebb1e8b131a662c698d78f3f7f2 (patch)
treea92f7de513be600cc07bac458183e9af40e00c06 /application/basilisk/base/content/browser-addons.js
parentbf11fdd304898ac675e39b01b280d39550e419d0 (diff)
downloadUXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.tar
UXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.tar.gz
UXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.tar.lz
UXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.tar.xz
UXP-a1be17c1cea81ebb1e8b131a662c698d78f3f7f2.zip
Issue #303 Part 1: Move basilisk files from /browser to /application/basilisk
Diffstat (limited to 'application/basilisk/base/content/browser-addons.js')
-rw-r--r--application/basilisk/base/content/browser-addons.js742
1 files changed, 742 insertions, 0 deletions
diff --git a/application/basilisk/base/content/browser-addons.js b/application/basilisk/base/content/browser-addons.js
new file mode 100644
index 000000000..1d881536a
--- /dev/null
+++ b/application/basilisk/base/content/browser-addons.js
@@ -0,0 +1,742 @@
+/* -*- 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 + ")");
+ },
+};