910 lines
25 KiB
JavaScript
910 lines
25 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.EXPORTED_SYMBOLS = ["LightweightThemeManager"];
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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Components.utils.import("resource://gre/modules/AddonManager.jsm");
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/* globals AddonManagerPrivate*/
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Components.utils.import("resource://gre/modules/Services.jsm");
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const ID_SUFFIX = "@personas.mozilla.org";
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const PREF_LWTHEME_TO_SELECT = "extensions.lwThemeToSelect";
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const PREF_GENERAL_SKINS_SELECTEDSKIN = "general.skins.selectedSkin";
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const PREF_EM_DSS_ENABLED = "extensions.dss.enabled";
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const ADDON_TYPE = "theme";
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const URI_EXTENSION_STRINGS = "chrome://mozapps/locale/extensions/extensions.properties";
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const STRING_TYPE_NAME = "type.%ID%.name";
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const DEFAULT_MAX_USED_THEMES_COUNT = 30;
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const MAX_PREVIEW_SECONDS = 30;
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const MANDATORY = ["id", "name", "headerURL"];
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const OPTIONAL = ["footerURL", "textcolor", "accentcolor", "iconURL",
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"previewURL", "author", "description", "homepageURL",
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"updateURL", "version"];
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const PERSIST_ENABLED = true;
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const PERSIST_BYPASS_CACHE = false;
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const PERSIST_FILES = {
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headerURL: "lightweighttheme-header",
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footerURL: "lightweighttheme-footer"
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};
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XPCOMUtils.defineLazyModuleGetter(this, "LightweightThemeImageOptimizer",
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"resource://gre/modules/addons/LightweightThemeImageOptimizer.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "ServiceRequest",
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"resource://gre/modules/ServiceRequest.jsm");
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XPCOMUtils.defineLazyGetter(this, "_prefs", () => {
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return Services.prefs.getBranch("lightweightThemes.");
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});
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Object.defineProperty(this, "_maxUsedThemes", {
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get: function() {
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delete this._maxUsedThemes;
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try {
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this._maxUsedThemes = _prefs.getIntPref("maxUsedThemes");
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}
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catch (e) {
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this._maxUsedThemes = DEFAULT_MAX_USED_THEMES_COUNT;
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}
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return this._maxUsedThemes;
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},
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set: function(val) {
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delete this._maxUsedThemes;
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return this._maxUsedThemes = val;
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},
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configurable: true,
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});
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// Holds the ID of the theme being enabled or disabled while sending out the
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// events so cached AddonWrapper instances can return correct values for
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// permissions and pendingOperations
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var _themeIDBeingEnabled = null;
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var _themeIDBeingDisabled = null;
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// Convert from the old storage format (in which the order of usedThemes
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// was combined with isThemeSelected to determine which theme was selected)
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// to the new one (where a selectedThemeID determines which theme is selected).
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(function() {
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let wasThemeSelected = false;
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try {
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wasThemeSelected = _prefs.getBoolPref("isThemeSelected");
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} catch (e) { }
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if (wasThemeSelected) {
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_prefs.clearUserPref("isThemeSelected");
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let themes = [];
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try {
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themes = JSON.parse(_prefs.getComplexValue("usedThemes",
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Ci.nsISupportsString).data);
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} catch (e) { }
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if (Array.isArray(themes) && themes[0]) {
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_prefs.setCharPref("selectedThemeID", themes[0].id);
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}
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}
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})();
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this.LightweightThemeManager = {
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get name() {
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return "LightweightThemeManager";
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},
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// Themes that can be added for an application. They can't be removed, and
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// will always show up at the top of the list.
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_builtInThemes: new Map(),
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get usedThemes () {
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let themes = [];
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try {
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themes = JSON.parse(_prefs.getComplexValue("usedThemes",
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Ci.nsISupportsString).data);
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} catch (e) { }
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themes.push(...this._builtInThemes.values());
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return themes;
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},
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get currentTheme () {
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let selectedThemeID = null;
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try {
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selectedThemeID = _prefs.getCharPref("selectedThemeID");
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} catch (e) {}
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let data = null;
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if (selectedThemeID) {
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data = this.getUsedTheme(selectedThemeID);
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}
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return data;
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},
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get currentThemeForDisplay () {
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var data = this.currentTheme;
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if (data && PERSIST_ENABLED) {
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for (let key in PERSIST_FILES) {
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try {
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if (data[key] && _prefs.getBoolPref("persisted." + key))
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data[key] = _getLocalImageURI(PERSIST_FILES[key]).spec
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+ "?" + data.id + ";" + _version(data);
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} catch (e) {}
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}
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}
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return data;
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},
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set currentTheme (aData) {
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return _setCurrentTheme(aData, false);
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},
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setLocalTheme: function(aData) {
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_setCurrentTheme(aData, true);
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},
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getUsedTheme: function(aId) {
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var usedThemes = this.usedThemes;
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for (let usedTheme of usedThemes) {
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if (usedTheme.id == aId)
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return usedTheme;
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}
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return null;
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},
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forgetUsedTheme: function(aId) {
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let theme = this.getUsedTheme(aId);
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if (!theme || LightweightThemeManager._builtInThemes.has(theme.id))
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return;
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let wrapper = new AddonWrapper(theme);
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AddonManagerPrivate.callAddonListeners("onUninstalling", wrapper, false);
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var currentTheme = this.currentTheme;
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if (currentTheme && currentTheme.id == aId) {
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this.themeChanged(null);
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AddonManagerPrivate.notifyAddonChanged(null, ADDON_TYPE, false);
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}
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_updateUsedThemes(_usedThemesExceptId(aId));
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AddonManagerPrivate.callAddonListeners("onUninstalled", wrapper);
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},
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addBuiltInTheme: function(theme) {
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if (!theme || !theme.id || this.usedThemes.some(t => t.id == theme.id)) {
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throw new Error("Trying to add invalid builtIn theme");
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}
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this._builtInThemes.set(theme.id, theme);
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if (_prefs.getCharPref("selectedThemeID") == theme.id) {
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this.currentTheme = theme;
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}
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},
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forgetBuiltInTheme: function(id) {
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if (!this._builtInThemes.has(id)) {
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let currentTheme = this.currentTheme;
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if (currentTheme && currentTheme.id == id) {
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this.currentTheme = null;
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}
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}
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return this._builtInThemes.delete(id);
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},
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clearBuiltInThemes: function() {
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for (let id of this._builtInThemes.keys()) {
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this.forgetBuiltInTheme(id);
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}
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},
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previewTheme: function(aData) {
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let cancel = Cc["@mozilla.org/supports-PRBool;1"].createInstance(Ci.nsISupportsPRBool);
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cancel.data = false;
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Services.obs.notifyObservers(cancel, "lightweight-theme-preview-requested",
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JSON.stringify(aData));
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if (cancel.data)
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return;
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if (_previewTimer)
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_previewTimer.cancel();
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else
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_previewTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
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_previewTimer.initWithCallback(_previewTimerCallback,
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MAX_PREVIEW_SECONDS * 1000,
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_previewTimer.TYPE_ONE_SHOT);
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_notifyWindows(aData);
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},
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resetPreview: function() {
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if (_previewTimer) {
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_previewTimer.cancel();
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_previewTimer = null;
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_notifyWindows(this.currentThemeForDisplay);
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}
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},
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parseTheme: function(aString, aBaseURI) {
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try {
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return _sanitizeTheme(JSON.parse(aString), aBaseURI, false);
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} catch (e) {
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return null;
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}
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},
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updateCurrentTheme: function() {
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try {
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if (!_prefs.getBoolPref("update.enabled"))
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return;
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} catch (e) {
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return;
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}
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var theme = this.currentTheme;
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if (!theme || !theme.updateURL)
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return;
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var req = new ServiceRequest();
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req.mozBackgroundRequest = true;
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req.overrideMimeType("text/plain");
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req.open("GET", theme.updateURL, true);
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// Prevent the request from reading from the cache.
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req.channel.loadFlags |= Ci.nsIRequest.LOAD_BYPASS_CACHE;
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// Prevent the request from writing to the cache.
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req.channel.loadFlags |= Ci.nsIRequest.INHIBIT_CACHING;
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req.addEventListener("load", () => {
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if (req.status != 200)
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return;
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let newData = this.parseTheme(req.responseText, theme.updateURL);
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if (!newData ||
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newData.id != theme.id ||
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_version(newData) == _version(theme))
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return;
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var currentTheme = this.currentTheme;
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if (currentTheme && currentTheme.id == theme.id)
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this.currentTheme = newData;
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}, false);
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req.send(null);
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},
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/**
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* Switches to a new lightweight theme.
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*
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* @param aData
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* The lightweight theme to switch to
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*/
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themeChanged: function(aData) {
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if (_previewTimer) {
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_previewTimer.cancel();
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_previewTimer = null;
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}
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if (aData) {
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let usedThemes = _usedThemesExceptId(aData.id);
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usedThemes.unshift(aData);
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_updateUsedThemes(usedThemes);
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if (PERSIST_ENABLED) {
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LightweightThemeImageOptimizer.purge();
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_persistImages(aData, function() {
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_notifyWindows(this.currentThemeForDisplay);
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}.bind(this));
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}
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}
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if (aData)
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_prefs.setCharPref("selectedThemeID", aData.id);
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else
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_prefs.setCharPref("selectedThemeID", "");
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_notifyWindows(aData);
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Services.obs.notifyObservers(null, "lightweight-theme-changed", null);
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},
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/**
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* Starts the Addons provider and enables the new lightweight theme if
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* necessary.
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*/
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startup: function() {
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if (Services.prefs.prefHasUserValue(PREF_LWTHEME_TO_SELECT)) {
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let id = Services.prefs.getCharPref(PREF_LWTHEME_TO_SELECT);
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if (id)
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this.themeChanged(this.getUsedTheme(id));
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else
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this.themeChanged(null);
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Services.prefs.clearUserPref(PREF_LWTHEME_TO_SELECT);
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}
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_prefs.addObserver("", _prefObserver, false);
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},
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/**
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* Shuts down the provider.
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*/
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shutdown: function() {
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_prefs.removeObserver("", _prefObserver);
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},
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/**
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* Called when a new add-on has been enabled when only one add-on of that type
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* can be enabled.
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*
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* @param aId
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* The ID of the newly enabled add-on
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* @param aType
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* The type of the newly enabled add-on
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* @param aPendingRestart
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* true if the newly enabled add-on will only become enabled after a
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* restart
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*/
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addonChanged: function(aId, aType, aPendingRestart) {
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if (aType != ADDON_TYPE)
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return;
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let id = _getInternalID(aId);
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let current = this.currentTheme;
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try {
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let next = Services.prefs.getCharPref(PREF_LWTHEME_TO_SELECT);
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if (id == next && aPendingRestart)
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return;
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Services.prefs.clearUserPref(PREF_LWTHEME_TO_SELECT);
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if (next) {
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AddonManagerPrivate.callAddonListeners("onOperationCancelled",
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new AddonWrapper(this.getUsedTheme(next)));
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}
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else if (id == current.id) {
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AddonManagerPrivate.callAddonListeners("onOperationCancelled",
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new AddonWrapper(current));
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return;
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}
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}
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catch (e) {
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}
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if (current) {
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if (current.id == id)
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return;
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_themeIDBeingDisabled = current.id;
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let wrapper = new AddonWrapper(current);
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if (aPendingRestart) {
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Services.prefs.setCharPref(PREF_LWTHEME_TO_SELECT, "");
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AddonManagerPrivate.callAddonListeners("onDisabling", wrapper, true);
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}
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else {
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AddonManagerPrivate.callAddonListeners("onDisabling", wrapper, false);
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this.themeChanged(null);
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AddonManagerPrivate.callAddonListeners("onDisabled", wrapper);
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}
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_themeIDBeingDisabled = null;
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}
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if (id) {
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let theme = this.getUsedTheme(id);
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_themeIDBeingEnabled = id;
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let wrapper = new AddonWrapper(theme);
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if (aPendingRestart) {
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AddonManagerPrivate.callAddonListeners("onEnabling", wrapper, true);
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Services.prefs.setCharPref(PREF_LWTHEME_TO_SELECT, id);
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// Flush the preferences to disk so they survive any crash
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Services.prefs.savePrefFile(null);
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}
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else {
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AddonManagerPrivate.callAddonListeners("onEnabling", wrapper, false);
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this.themeChanged(theme);
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AddonManagerPrivate.callAddonListeners("onEnabled", wrapper);
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}
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_themeIDBeingEnabled = null;
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}
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},
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/**
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* Called to get an Addon with a particular ID.
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*
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* @param aId
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* The ID of the add-on to retrieve
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* @param aCallback
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* A callback to pass the Addon to
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*/
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getAddonByID: function(aId, aCallback) {
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let id = _getInternalID(aId);
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if (!id) {
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aCallback(null);
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return;
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}
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let theme = this.getUsedTheme(id);
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if (!theme) {
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aCallback(null);
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return;
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}
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aCallback(new AddonWrapper(theme));
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},
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/**
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* Called to get Addons of a particular type.
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*
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* @param aTypes
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* An array of types to fetch. Can be null to get all types.
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* @param aCallback
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* A callback to pass an array of Addons to
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*/
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getAddonsByTypes: function(aTypes, aCallback) {
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if (aTypes && aTypes.indexOf(ADDON_TYPE) == -1) {
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aCallback([]);
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return;
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}
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aCallback(this.usedThemes.map(a => new AddonWrapper(a)));
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},
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};
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const wrapperMap = new WeakMap();
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let themeFor = wrapper => wrapperMap.get(wrapper);
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/**
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* The AddonWrapper wraps lightweight theme to provide the data visible to
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* consumers of the AddonManager API.
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*/
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function AddonWrapper(aTheme) {
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wrapperMap.set(this, aTheme);
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}
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AddonWrapper.prototype = {
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get id() {
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return themeFor(this).id + ID_SUFFIX;
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},
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get type() {
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return ADDON_TYPE;
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},
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get isActive() {
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let current = LightweightThemeManager.currentTheme;
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if (current)
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return themeFor(this).id == current.id;
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return false;
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},
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get name() {
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return themeFor(this).name;
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},
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get version() {
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let theme = themeFor(this);
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return "version" in theme ? theme.version : "";
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},
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get creator() {
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let theme = themeFor(this);
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return "author" in theme ? new AddonManagerPrivate.AddonAuthor(theme.author) : null;
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},
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get screenshots() {
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let url = themeFor(this).previewURL;
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return [new AddonManagerPrivate.AddonScreenshot(url)];
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},
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get pendingOperations() {
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let pending = AddonManager.PENDING_NONE;
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if (this.isActive == this.userDisabled)
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pending |= this.isActive ? AddonManager.PENDING_DISABLE : AddonManager.PENDING_ENABLE;
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return pending;
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},
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get operationsRequiringRestart() {
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// If a non-default theme is in use then a restart will be required to
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// enable lightweight themes unless dynamic theme switching is enabled
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if (Services.prefs.prefHasUserValue(PREF_GENERAL_SKINS_SELECTEDSKIN)) {
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try {
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if (Services.prefs.getBoolPref(PREF_EM_DSS_ENABLED))
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return AddonManager.OP_NEEDS_RESTART_NONE;
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}
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catch (e) {
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}
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return AddonManager.OP_NEEDS_RESTART_ENABLE;
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}
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return AddonManager.OP_NEEDS_RESTART_NONE;
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},
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get size() {
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// The size changes depending on whether the theme is in use or not, this is
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// probably not worth exposing.
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return null;
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},
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get permissions() {
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let permissions = 0;
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// Do not allow uninstall of builtIn themes.
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if (!LightweightThemeManager._builtInThemes.has(themeFor(this).id))
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permissions = AddonManager.PERM_CAN_UNINSTALL;
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if (this.userDisabled)
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permissions |= AddonManager.PERM_CAN_ENABLE;
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else
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permissions |= AddonManager.PERM_CAN_DISABLE;
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return permissions;
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},
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get userDisabled() {
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let id = themeFor(this).id;
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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)
|
|
]);
|