diff options
Diffstat (limited to 'toolkit/mozapps/webextensions/LightweightThemeManager.jsm')
| -rw-r--r-- | toolkit/mozapps/webextensions/LightweightThemeManager.jsm | 909 |
1 files changed, 0 insertions, 909 deletions
diff --git a/toolkit/mozapps/webextensions/LightweightThemeManager.jsm b/toolkit/mozapps/webextensions/LightweightThemeManager.jsm deleted file mode 100644 index 5dd41831d..000000000 --- a/toolkit/mozapps/webextensions/LightweightThemeManager.jsm +++ /dev/null @@ -1,909 +0,0 @@ -/* 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"; - -this.EXPORTED_SYMBOLS = ["LightweightThemeManager"]; - -const Cc = Components.classes; -const Ci = Components.interfaces; - -Components.utils.import("resource://gre/modules/XPCOMUtils.jsm"); -Components.utils.import("resource://gre/modules/AddonManager.jsm"); -/* globals AddonManagerPrivate*/ -Components.utils.import("resource://gre/modules/Services.jsm"); - -const ID_SUFFIX = "@personas.mozilla.org"; -const PREF_LWTHEME_TO_SELECT = "extensions.lwThemeToSelect"; -const PREF_GENERAL_SKINS_SELECTEDSKIN = "general.skins.selectedSkin"; -const PREF_EM_DSS_ENABLED = "extensions.dss.enabled"; -const ADDON_TYPE = "theme"; - -const URI_EXTENSION_STRINGS = "chrome://mozapps/locale/extensions/extensions.properties"; - -const STRING_TYPE_NAME = "type.%ID%.name"; - -const DEFAULT_MAX_USED_THEMES_COUNT = 30; - -const MAX_PREVIEW_SECONDS = 30; - -const MANDATORY = ["id", "name", "headerURL"]; -const OPTIONAL = ["footerURL", "textcolor", "accentcolor", "iconURL", - "previewURL", "author", "description", "homepageURL", - "updateURL", "version"]; - -const PERSIST_ENABLED = true; -const PERSIST_BYPASS_CACHE = false; -const PERSIST_FILES = { - headerURL: "lightweighttheme-header", - footerURL: "lightweighttheme-footer" -}; - -XPCOMUtils.defineLazyModuleGetter(this, "LightweightThemeImageOptimizer", - "resource://gre/modules/addons/LightweightThemeImageOptimizer.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "ServiceRequest", - "resource://gre/modules/ServiceRequest.jsm"); - - -XPCOMUtils.defineLazyGetter(this, "_prefs", () => { - return Services.prefs.getBranch("lightweightThemes."); -}); - -Object.defineProperty(this, "_maxUsedThemes", { - get: function() { - delete this._maxUsedThemes; - try { - this._maxUsedThemes = _prefs.getIntPref("maxUsedThemes"); - } - catch (e) { - this._maxUsedThemes = DEFAULT_MAX_USED_THEMES_COUNT; - } - return this._maxUsedThemes; - }, - - set: function(val) { - delete this._maxUsedThemes; - return this._maxUsedThemes = val; - }, - configurable: true, -}); - -// Holds the ID of the theme being enabled or disabled while sending out the -// events so cached AddonWrapper instances can return correct values for -// permissions and pendingOperations -var _themeIDBeingEnabled = null; -var _themeIDBeingDisabled = null; - -// Convert from the old storage format (in which the order of usedThemes -// was combined with isThemeSelected to determine which theme was selected) -// to the new one (where a selectedThemeID determines which theme is selected). -(function() { - let wasThemeSelected = false; - try { - wasThemeSelected = _prefs.getBoolPref("isThemeSelected"); - } catch (e) { } - - if (wasThemeSelected) { - _prefs.clearUserPref("isThemeSelected"); - let themes = []; - try { - themes = JSON.parse(_prefs.getComplexValue("usedThemes", - Ci.nsISupportsString).data); - } catch (e) { } - - if (Array.isArray(themes) && themes[0]) { - _prefs.setCharPref("selectedThemeID", themes[0].id); - } - } -})(); - -this.LightweightThemeManager = { - get name() { - return "LightweightThemeManager"; - }, - - // Themes that can be added for an application. They can't be removed, and - // will always show up at the top of the list. - _builtInThemes: new Map(), - - get usedThemes () { - let themes = []; - try { - themes = JSON.parse(_prefs.getComplexValue("usedThemes", - Ci.nsISupportsString).data); - } catch (e) { } - - themes.push(...this._builtInThemes.values()); - return themes; - }, - - get currentTheme () { - let selectedThemeID = null; - try { - selectedThemeID = _prefs.getCharPref("selectedThemeID"); - } catch (e) {} - - let data = null; - if (selectedThemeID) { - data = this.getUsedTheme(selectedThemeID); - } - return data; - }, - - get currentThemeForDisplay () { - var data = this.currentTheme; - - if (data && PERSIST_ENABLED) { - for (let key in PERSIST_FILES) { - try { - if (data[key] && _prefs.getBoolPref("persisted." + key)) - data[key] = _getLocalImageURI(PERSIST_FILES[key]).spec - + "?" + data.id + ";" + _version(data); - } catch (e) {} - } - } - - return data; - }, - - set currentTheme (aData) { - return _setCurrentTheme(aData, false); - }, - - setLocalTheme: function(aData) { - _setCurrentTheme(aData, true); - }, - - getUsedTheme: function(aId) { - var usedThemes = this.usedThemes; - for (let usedTheme of usedThemes) { - if (usedTheme.id == aId) - return usedTheme; - } - return null; - }, - - forgetUsedTheme: function(aId) { - let theme = this.getUsedTheme(aId); - if (!theme || LightweightThemeManager._builtInThemes.has(theme.id)) - return; - - let wrapper = new AddonWrapper(theme); - AddonManagerPrivate.callAddonListeners("onUninstalling", wrapper, false); - - var currentTheme = this.currentTheme; - if (currentTheme && currentTheme.id == aId) { - this.themeChanged(null); - AddonManagerPrivate.notifyAddonChanged(null, ADDON_TYPE, false); - } - - _updateUsedThemes(_usedThemesExceptId(aId)); - AddonManagerPrivate.callAddonListeners("onUninstalled", wrapper); - }, - - addBuiltInTheme: function(theme) { - if (!theme || !theme.id || this.usedThemes.some(t => t.id == theme.id)) { - throw new Error("Trying to add invalid builtIn theme"); - } - - this._builtInThemes.set(theme.id, theme); - - if (_prefs.getCharPref("selectedThemeID") == theme.id) { - this.currentTheme = theme; - } - }, - - forgetBuiltInTheme: function(id) { - if (!this._builtInThemes.has(id)) { - let currentTheme = this.currentTheme; - if (currentTheme && currentTheme.id == id) { - this.currentTheme = null; - } - } - return this._builtInThemes.delete(id); - }, - - clearBuiltInThemes: function() { - for (let id of this._builtInThemes.keys()) { - this.forgetBuiltInTheme(id); - } - }, - - previewTheme: function(aData) { - let cancel = Cc["@mozilla.org/supports-PRBool;1"].createInstance(Ci.nsISupportsPRBool); - cancel.data = false; - Services.obs.notifyObservers(cancel, "lightweight-theme-preview-requested", - JSON.stringify(aData)); - if (cancel.data) - return; - - if (_previewTimer) - _previewTimer.cancel(); - else - _previewTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer); - _previewTimer.initWithCallback(_previewTimerCallback, - MAX_PREVIEW_SECONDS * 1000, - _previewTimer.TYPE_ONE_SHOT); - - _notifyWindows(aData); - }, - - resetPreview: function() { - if (_previewTimer) { - _previewTimer.cancel(); - _previewTimer = null; - _notifyWindows(this.currentThemeForDisplay); - } - }, - - parseTheme: function(aString, aBaseURI) { - try { - return _sanitizeTheme(JSON.parse(aString), aBaseURI, false); - } catch (e) { - return null; - } - }, - - updateCurrentTheme: function() { - try { - if (!_prefs.getBoolPref("update.enabled")) - return; - } catch (e) { - return; - } - - var theme = this.currentTheme; - if (!theme || !theme.updateURL) - return; - - var req = new ServiceRequest(); - - req.mozBackgroundRequest = true; - req.overrideMimeType("text/plain"); - req.open("GET", theme.updateURL, true); - // Prevent the request from reading from the cache. - req.channel.loadFlags |= Ci.nsIRequest.LOAD_BYPASS_CACHE; - // Prevent the request from writing to the cache. - req.channel.loadFlags |= Ci.nsIRequest.INHIBIT_CACHING; - - req.addEventListener("load", () => { - if (req.status != 200) - return; - - let newData = this.parseTheme(req.responseText, theme.updateURL); - if (!newData || - newData.id != theme.id || - _version(newData) == _version(theme)) - return; - - var currentTheme = this.currentTheme; - if (currentTheme && currentTheme.id == theme.id) - this.currentTheme = newData; - }, false); - - req.send(null); - }, - - /** - * Switches to a new lightweight theme. - * - * @param aData - * The lightweight theme to switch to - */ - themeChanged: function(aData) { - if (_previewTimer) { - _previewTimer.cancel(); - _previewTimer = null; - } - - if (aData) { - let usedThemes = _usedThemesExceptId(aData.id); - usedThemes.unshift(aData); - _updateUsedThemes(usedThemes); - if (PERSIST_ENABLED) { - LightweightThemeImageOptimizer.purge(); - _persistImages(aData, function() { - _notifyWindows(this.currentThemeForDisplay); - }.bind(this)); - } - } - - if (aData) - _prefs.setCharPref("selectedThemeID", aData.id); - else - _prefs.setCharPref("selectedThemeID", ""); - - _notifyWindows(aData); - Services.obs.notifyObservers(null, "lightweight-theme-changed", null); - }, - - /** - * Starts the Addons provider and enables the new lightweight theme if - * necessary. - */ - startup: function() { - if (Services.prefs.prefHasUserValue(PREF_LWTHEME_TO_SELECT)) { - let id = Services.prefs.getCharPref(PREF_LWTHEME_TO_SELECT); - if (id) - this.themeChanged(this.getUsedTheme(id)); - else - this.themeChanged(null); - Services.prefs.clearUserPref(PREF_LWTHEME_TO_SELECT); - } - - _prefs.addObserver("", _prefObserver, false); - }, - - /** - * Shuts down the provider. - */ - shutdown: function() { - _prefs.removeObserver("", _prefObserver); - }, - - /** - * Called when a new add-on has been enabled when only one add-on of that type - * can be enabled. - * - * @param aId - * The ID of the newly enabled add-on - * @param aType - * The type of the newly enabled add-on - * @param aPendingRestart - * true if the newly enabled add-on will only become enabled after a - * restart - */ - addonChanged: function(aId, aType, aPendingRestart) { - if (aType != ADDON_TYPE) - return; - - let id = _getInternalID(aId); - let current = this.currentTheme; - - try { - let next = Services.prefs.getCharPref(PREF_LWTHEME_TO_SELECT); - if (id == next && aPendingRestart) - return; - - Services.prefs.clearUserPref(PREF_LWTHEME_TO_SELECT); - if (next) { - AddonManagerPrivate.callAddonListeners("onOperationCancelled", - new AddonWrapper(this.getUsedTheme(next))); - } - else if (id == current.id) { - AddonManagerPrivate.callAddonListeners("onOperationCancelled", - new AddonWrapper(current)); - return; - } - } - catch (e) { - } - - if (current) { - if (current.id == id) - return; - _themeIDBeingDisabled = current.id; - let wrapper = new AddonWrapper(current); - if (aPendingRestart) { - Services.prefs.setCharPref(PREF_LWTHEME_TO_SELECT, ""); - AddonManagerPrivate.callAddonListeners("onDisabling", wrapper, true); - } - else { - AddonManagerPrivate.callAddonListeners("onDisabling", wrapper, false); - this.themeChanged(null); - AddonManagerPrivate.callAddonListeners("onDisabled", wrapper); - } - _themeIDBeingDisabled = null; - } - - if (id) { - let theme = this.getUsedTheme(id); - _themeIDBeingEnabled = id; - let wrapper = new AddonWrapper(theme); - if (aPendingRestart) { - AddonManagerPrivate.callAddonListeners("onEnabling", wrapper, true); - Services.prefs.setCharPref(PREF_LWTHEME_TO_SELECT, id); - - // Flush the preferences to disk so they survive any crash - Services.prefs.savePrefFile(null); - } - else { - AddonManagerPrivate.callAddonListeners("onEnabling", wrapper, false); - this.themeChanged(theme); - AddonManagerPrivate.callAddonListeners("onEnabled", wrapper); - } - _themeIDBeingEnabled = null; - } - }, - - /** - * Called to get an Addon with a particular ID. - * - * @param aId - * The ID of the add-on to retrieve - * @param aCallback - * A callback to pass the Addon to - */ - getAddonByID: function(aId, aCallback) { - let id = _getInternalID(aId); - if (!id) { - aCallback(null); - return; - } - - let theme = this.getUsedTheme(id); - if (!theme) { - aCallback(null); - return; - } - - aCallback(new AddonWrapper(theme)); - }, - - /** - * Called to get Addons of a particular type. - * - * @param aTypes - * An array of types to fetch. Can be null to get all types. - * @param aCallback - * A callback to pass an array of Addons to - */ - getAddonsByTypes: function(aTypes, aCallback) { - if (aTypes && aTypes.indexOf(ADDON_TYPE) == -1) { - aCallback([]); - return; - } - - aCallback(this.usedThemes.map(a => new AddonWrapper(a))); - }, -}; - -const wrapperMap = new WeakMap(); -let themeFor = wrapper => wrapperMap.get(wrapper); - -/** - * The AddonWrapper wraps lightweight theme to provide the data visible to - * consumers of the AddonManager API. - */ -function AddonWrapper(aTheme) { - wrapperMap.set(this, aTheme); -} - -AddonWrapper.prototype = { - get id() { - return themeFor(this).id + ID_SUFFIX; - }, - - get type() { - return ADDON_TYPE; - }, - - get isActive() { - let current = LightweightThemeManager.currentTheme; - if (current) - return themeFor(this).id == current.id; - return false; - }, - - get name() { - return themeFor(this).name; - }, - - get version() { - let theme = themeFor(this); - return "version" in theme ? theme.version : ""; - }, - - get creator() { - let theme = themeFor(this); - return "author" in theme ? new AddonManagerPrivate.AddonAuthor(theme.author) : null; - }, - - get screenshots() { - let url = themeFor(this).previewURL; - return [new AddonManagerPrivate.AddonScreenshot(url)]; - }, - - get pendingOperations() { - let pending = AddonManager.PENDING_NONE; - if (this.isActive == this.userDisabled) - pending |= this.isActive ? AddonManager.PENDING_DISABLE : AddonManager.PENDING_ENABLE; - return pending; - }, - - get operationsRequiringRestart() { - // If a non-default theme is in use then a restart will be required to - // enable lightweight themes unless dynamic theme switching is enabled - if (Services.prefs.prefHasUserValue(PREF_GENERAL_SKINS_SELECTEDSKIN)) { - try { - if (Services.prefs.getBoolPref(PREF_EM_DSS_ENABLED)) - return AddonManager.OP_NEEDS_RESTART_NONE; - } - catch (e) { - } - return AddonManager.OP_NEEDS_RESTART_ENABLE; - } - - return AddonManager.OP_NEEDS_RESTART_NONE; - }, - - get size() { - // The size changes depending on whether the theme is in use or not, this is - // probably not worth exposing. - return null; - }, - - get permissions() { - let permissions = 0; - - // Do not allow uninstall of builtIn themes. - if (!LightweightThemeManager._builtInThemes.has(themeFor(this).id)) - permissions = AddonManager.PERM_CAN_UNINSTALL; - if (this.userDisabled) - permissions |= AddonManager.PERM_CAN_ENABLE; - else - permissions |= AddonManager.PERM_CAN_DISABLE; - return permissions; - }, - - get userDisabled() { - let id = themeFor(this).id; - if (_themeIDBeingEnabled == id) - return false; - if (_themeIDBeingDisabled == id) - return true; - - try { - let toSelect = Services.prefs.getCharPref(PREF_LWTHEME_TO_SELECT); - return id != toSelect; - } - catch (e) { - let current = LightweightThemeManager.currentTheme; - return !current || current.id != id; - } - }, - - set userDisabled(val) { - if (val == this.userDisabled) - return val; - - if (val) - LightweightThemeManager.currentTheme = null; - else - LightweightThemeManager.currentTheme = themeFor(this); - - return val; - }, - - // Lightweight themes are never disabled by the application - get appDisabled() { - return false; - }, - - // Lightweight themes are always compatible - get isCompatible() { - return true; - }, - - get isPlatformCompatible() { - return true; - }, - - get scope() { - return AddonManager.SCOPE_PROFILE; - }, - - get foreignInstall() { - return false; - }, - - uninstall: function() { - LightweightThemeManager.forgetUsedTheme(themeFor(this).id); - }, - - cancelUninstall: function() { - throw new Error("Theme is not marked to be uninstalled"); - }, - - findUpdates: function(listener, reason, appVersion, platformVersion) { - AddonManagerPrivate.callNoUpdateListeners(this, listener, reason, appVersion, platformVersion); - }, - - // Lightweight themes are always compatible - isCompatibleWith: function(appVersion, platformVersion) { - return true; - }, - - // Lightweight themes are always securely updated - get providesUpdatesSecurely() { - return true; - }, - - // Lightweight themes are never blocklisted - get blocklistState() { - return Ci.nsIBlocklistService.STATE_NOT_BLOCKED; - } -}; - -["description", "homepageURL", "iconURL"].forEach(function(prop) { - Object.defineProperty(AddonWrapper.prototype, prop, { - get: function() { - let theme = themeFor(this); - return prop in theme ? theme[prop] : null; - }, - enumarable: true, - }); -}); - -["installDate", "updateDate"].forEach(function(prop) { - Object.defineProperty(AddonWrapper.prototype, prop, { - get: function() { - let theme = themeFor(this); - return prop in theme ? new Date(theme[prop]) : null; - }, - enumarable: true, - }); -}); - -/** - * Converts the ID used by the public AddonManager API to an lightweight theme - * ID. - * - * @param id - * The ID to be converted - * - * @return the lightweight theme ID or null if the ID was not for a lightweight - * theme. - */ -function _getInternalID(id) { - if (!id) - return null; - let len = id.length - ID_SUFFIX.length; - if (len > 0 && id.substring(len) == ID_SUFFIX) - return id.substring(0, len); - return null; -} - -function _setCurrentTheme(aData, aLocal) { - aData = _sanitizeTheme(aData, null, aLocal); - - let needsRestart = (ADDON_TYPE == "theme") && - Services.prefs.prefHasUserValue(PREF_GENERAL_SKINS_SELECTEDSKIN); - - let cancel = Cc["@mozilla.org/supports-PRBool;1"].createInstance(Ci.nsISupportsPRBool); - cancel.data = false; - Services.obs.notifyObservers(cancel, "lightweight-theme-change-requested", - JSON.stringify(aData)); - - if (aData) { - let theme = LightweightThemeManager.getUsedTheme(aData.id); - let isInstall = !theme || theme.version != aData.version; - if (isInstall) { - aData.updateDate = Date.now(); - if (theme && "installDate" in theme) - aData.installDate = theme.installDate; - else - aData.installDate = aData.updateDate; - - var oldWrapper = theme ? new AddonWrapper(theme) : null; - var wrapper = new AddonWrapper(aData); - AddonManagerPrivate.callInstallListeners("onExternalInstall", null, - wrapper, oldWrapper, false); - AddonManagerPrivate.callAddonListeners("onInstalling", wrapper, false); - } - - let current = LightweightThemeManager.currentTheme; - let usedThemes = _usedThemesExceptId(aData.id); - if (current && current.id != aData.id) - usedThemes.splice(1, 0, aData); - else - usedThemes.unshift(aData); - _updateUsedThemes(usedThemes); - - if (isInstall) - AddonManagerPrivate.callAddonListeners("onInstalled", wrapper); - } - - if (cancel.data) - return null; - - AddonManagerPrivate.notifyAddonChanged(aData ? aData.id + ID_SUFFIX : null, - ADDON_TYPE, needsRestart); - - return LightweightThemeManager.currentTheme; -} - -function _sanitizeTheme(aData, aBaseURI, aLocal) { - if (!aData || typeof aData != "object") - return null; - - var resourceProtocols = ["http", "https", "resource"]; - if (aLocal) - resourceProtocols.push("file"); - var resourceProtocolExp = new RegExp("^(" + resourceProtocols.join("|") + "):"); - - function sanitizeProperty(prop) { - if (!(prop in aData)) - return null; - if (typeof aData[prop] != "string") - return null; - let val = aData[prop].trim(); - if (!val) - return null; - - if (!/URL$/.test(prop)) - return val; - - try { - val = _makeURI(val, aBaseURI ? _makeURI(aBaseURI) : null).spec; - if ((prop == "updateURL" ? /^https:/ : resourceProtocolExp).test(val)) - return val; - return null; - } - catch (e) { - return null; - } - } - - let result = {}; - for (let mandatoryProperty of MANDATORY) { - let val = sanitizeProperty(mandatoryProperty); - if (!val) - throw Components.results.NS_ERROR_INVALID_ARG; - result[mandatoryProperty] = val; - } - - for (let optionalProperty of OPTIONAL) { - let val = sanitizeProperty(optionalProperty); - if (!val) - continue; - result[optionalProperty] = val; - } - - return result; -} - -function _usedThemesExceptId(aId) { - return LightweightThemeManager.usedThemes.filter(function(t) { - return "id" in t && t.id != aId; - }); -} - -function _version(aThemeData) { - return aThemeData.version || ""; -} - -function _makeURI(aURL, aBaseURI) { - return Services.io.newURI(aURL, null, aBaseURI); -} - -function _updateUsedThemes(aList) { - // Remove app-specific themes before saving them to the usedThemes pref. - aList = aList.filter(theme => !LightweightThemeManager._builtInThemes.has(theme.id)); - - // Send uninstall events for all themes that need to be removed. - while (aList.length > _maxUsedThemes) { - let wrapper = new AddonWrapper(aList[aList.length - 1]); - AddonManagerPrivate.callAddonListeners("onUninstalling", wrapper, false); - aList.pop(); - AddonManagerPrivate.callAddonListeners("onUninstalled", wrapper); - } - - var str = Cc["@mozilla.org/supports-string;1"] - .createInstance(Ci.nsISupportsString); - str.data = JSON.stringify(aList); - _prefs.setComplexValue("usedThemes", Ci.nsISupportsString, str); - - Services.obs.notifyObservers(null, "lightweight-theme-list-changed", null); -} - -function _notifyWindows(aThemeData) { - Services.obs.notifyObservers(null, "lightweight-theme-styling-update", - JSON.stringify(aThemeData)); -} - -var _previewTimer; -var _previewTimerCallback = { - notify: function() { - LightweightThemeManager.resetPreview(); - } -}; - -/** - * Called when any of the lightweightThemes preferences are changed. - */ -function _prefObserver(aSubject, aTopic, aData) { - switch (aData) { - case "maxUsedThemes": - try { - _maxUsedThemes = _prefs.getIntPref(aData); - } - catch (e) { - _maxUsedThemes = DEFAULT_MAX_USED_THEMES_COUNT; - } - // Update the theme list to remove any themes over the number we keep - _updateUsedThemes(LightweightThemeManager.usedThemes); - break; - } -} - -function _persistImages(aData, aCallback) { - function onSuccess(key) { - return function () { - let current = LightweightThemeManager.currentTheme; - if (current && current.id == aData.id) { - _prefs.setBoolPref("persisted." + key, true); - } - if (--numFilesToPersist == 0 && aCallback) { - aCallback(); - } - }; - } - - let numFilesToPersist = 0; - for (let key in PERSIST_FILES) { - _prefs.setBoolPref("persisted." + key, false); - if (aData[key]) { - numFilesToPersist++; - _persistImage(aData[key], PERSIST_FILES[key], onSuccess(key)); - } - } -} - -function _getLocalImageURI(localFileName) { - var localFile = Services.dirsvc.get("ProfD", Ci.nsIFile); - localFile.append(localFileName); - return Services.io.newFileURI(localFile); -} - -function _persistImage(sourceURL, localFileName, successCallback) { - if (/^(file|resource):/.test(sourceURL)) - return; - - var targetURI = _getLocalImageURI(localFileName); - var sourceURI = _makeURI(sourceURL); - - var persist = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"] - .createInstance(Ci.nsIWebBrowserPersist); - - persist.persistFlags = - Ci.nsIWebBrowserPersist.PERSIST_FLAGS_REPLACE_EXISTING_FILES | - Ci.nsIWebBrowserPersist.PERSIST_FLAGS_AUTODETECT_APPLY_CONVERSION | - (PERSIST_BYPASS_CACHE ? - Ci.nsIWebBrowserPersist.PERSIST_FLAGS_BYPASS_CACHE : - Ci.nsIWebBrowserPersist.PERSIST_FLAGS_FROM_CACHE); - - persist.progressListener = new _persistProgressListener(successCallback); - - persist.saveURI(sourceURI, null, - null, Ci.nsIHttpChannel.REFERRER_POLICY_NO_REFERRER_WHEN_DOWNGRADE, - null, null, targetURI, null); -} - -function _persistProgressListener(successCallback) { - this.onLocationChange = function() {}; - this.onProgressChange = function() {}; - this.onStatusChange = function() {}; - this.onSecurityChange = function() {}; - this.onStateChange = function(aWebProgress, aRequest, aStateFlags, aStatus) { - if (aRequest && - aStateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK && - aStateFlags & Ci.nsIWebProgressListener.STATE_STOP) { - try { - if (aRequest.QueryInterface(Ci.nsIHttpChannel).requestSucceeded) { - // success - successCallback(); - return; - } - } catch (e) { } - // failure - } - }; -} - -AddonManagerPrivate.registerProvider(LightweightThemeManager, [ - new AddonManagerPrivate.AddonType("theme", URI_EXTENSION_STRINGS, - STRING_TYPE_NAME, - AddonManager.VIEW_TYPE_LIST, 5000) -]); |