зеркало из https://github.com/mozilla/pjs.git
737 строки
21 KiB
JavaScript
737 строки
21 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org Code.
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*
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* The Initial Developer of the Original Code is
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* Dao Gottwald <dao@mozilla.com>.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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var 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/AddonManager.jsm");
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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 ADDON_TYPE = "theme";
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const MAX_USED_THEMES_COUNT = 8;
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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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__defineGetter__("_prefs", function () {
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delete this._prefs;
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return this._prefs =
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Cc["@mozilla.org/preferences-service;1"]
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.getService(Ci.nsIPrefService).getBranch("lightweightThemes.");
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});
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__defineGetter__("_observerService", function () {
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delete this._observerService;
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return this._observerService =
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Cc["@mozilla.org/observer-service;1"].getService(Ci.nsIObserverService);
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});
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__defineGetter__("_ioService", function () {
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delete this._ioService;
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return this._ioService =
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Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
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});
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var LightweightThemeManager = {
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get usedThemes () {
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try {
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return JSON.parse(_prefs.getComplexValue("usedThemes",
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Ci.nsISupportsString).data);
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} catch (e) {
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return [];
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}
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},
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get currentTheme () {
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try {
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if (_prefs.getBoolPref("isThemeSelected"))
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var data = this.usedThemes[0];
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} catch (e) {}
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return data || null;
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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 i = 0; i < usedThemes.length; i++) {
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if (usedThemes[i].id == aId)
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return usedThemes[i];
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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)
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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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previewTheme: function (aData) {
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if (!aData)
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return;
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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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_observerService.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 = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
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.createInstance(Ci.nsIXMLHttpRequest);
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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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var self = this;
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req.onload = function () {
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if (req.status != 200)
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return;
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let newData = self.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 = self.currentTheme;
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if (currentTheme && currentTheme.id == theme.id)
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self.currentTheme = newData;
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};
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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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_persistImages(aData);
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}
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_prefs.setBoolPref("isThemeSelected", aData != null);
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_notifyWindows(aData);
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_observerService.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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},
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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 {
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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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}
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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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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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}
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if (id) {
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let theme = this.getUsedTheme(id);
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let wrapper = new AddonWrapper(theme, true);
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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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}
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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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}
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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([new AddonWrapper(a) for each (a in this.usedThemes)]);
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},
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};
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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, aBeingEnabled) {
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this.__defineGetter__("id", function() aTheme.id + ID_SUFFIX);
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this.__defineGetter__("type", function() ADDON_TYPE);
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this.__defineGetter__("isActive", function() {
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let current = LightweightThemeManager.currentTheme;
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if (current)
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return aTheme.id == current.id;
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return false;
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});
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this.__defineGetter__("name", function() aTheme.name);
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this.__defineGetter__("version", function() {
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return "version" in aTheme ? aTheme.version : "";
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});
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["description", "homepageURL", "iconURL"].forEach(function(prop) {
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this.__defineGetter__(prop, function() {
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return prop in aTheme ? aTheme[prop] : null;
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});
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}, this);
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["installDate", "updateDate"].forEach(function(prop) {
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this.__defineGetter__(prop, function() {
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return prop in aTheme ? new Date(aTheme[prop]) : null;
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});
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}, this);
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this.__defineGetter__("creator", function() aTheme.author);
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this.__defineGetter__("screenshots", function() [aTheme.previewURL]);
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this.__defineGetter__("pendingOperations", function() {
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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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this.__defineGetter__("size", function() {
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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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this.__defineGetter__("permissions", function() {
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let 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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return permissions;
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});
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this.__defineGetter__("userDisabled", function() {
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if (aBeingEnabled)
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return false;
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try {
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let toSelect = Services.prefs.getCharPref(PREF_LWTHEME_TO_SELECT);
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return aTheme.id != toSelect;
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}
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catch (e) {
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let current = LightweightThemeManager.currentTheme;
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return !current || current.id != aTheme.id;
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}
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});
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this.__defineSetter__("userDisabled", function(val) {
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if (val == this.userDisabled)
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return val;
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if (val)
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throw new Error("Cannot disable the active theme");
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LightweightThemeManager.currentTheme = aTheme;
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return val;
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});
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this.uninstall = function() {
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LightweightThemeManager.forgetUsedTheme(aTheme.id);
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};
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this.cancelUninstall = function() {
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throw new Error("Theme is not marked to be uninstalled");
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};
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this.findUpdates = function(listener, reason, appVersion, platformVersion) {
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if ("onNoCompatibilityUpdateAvailable" in listener)
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listener.onNoCompatibilityUpdateAvailable(this);
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if ("onNoUpdateAvailable" in listener)
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listener.onNoUpdateAvailable(this);
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if ("onUpdateFinished" in listener)
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listener.onUpdateFinished(this);
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};
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}
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AddonWrapper.prototype = {
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// Lightweight themes are never disabled by the application
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get appDisabled() {
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return false;
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},
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// Lightweight themes are always compatible
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get isCompatible() {
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return true;
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},
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get isPlatformCompatible() {
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return true;
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},
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get scope() {
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return AddonManager.SCOPE_PROFILE;
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},
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// Lightweight themes are always compatible
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isCompatibleWith: function(appVersion, platformVersion) {
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return true;
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},
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// Lightweight themes are always securely updated
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get providesUpdatesSecurely() {
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return true;
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},
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// Lightweight themes are never blocklisted
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get blocklistState() {
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return Ci.nsIBlocklistService.STATE_NOT_BLOCKED;
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}
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};
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/**
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* Converts the ID used by the public AddonManager API to an lightweight theme
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* ID.
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*
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* @param id
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* The ID to be converted
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*
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* @return the lightweight theme ID or null if the ID was not for a lightweight
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* theme.
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*/
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function _getInternalID(id) {
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if (!id)
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return null;
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let len = id.length - ID_SUFFIX.length;
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if (len > 0 && id.substring(len) == ID_SUFFIX)
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return id.substring(0, len);
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return null;
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}
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function _setCurrentTheme(aData, aLocal) {
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aData = _sanitizeTheme(aData, null, aLocal);
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let needsRestart = (ADDON_TYPE == "theme") &&
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Services.prefs.prefHasUserValue(PREF_GENERAL_SKINS_SELECTEDSKIN);
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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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_observerService.notifyObservers(cancel, "lightweight-theme-change-requested",
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JSON.stringify(aData));
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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"];
|
|
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 i = 0; i < MANDATORY.length; i++) {
|
|
let val = sanitizeProperty(MANDATORY[i]);
|
|
if (!val)
|
|
throw Components.results.NS_ERROR_INVALID_ARG;
|
|
result[MANDATORY[i]] = val;
|
|
}
|
|
|
|
for (let i = 0; i < OPTIONAL.length; i++) {
|
|
let val = sanitizeProperty(OPTIONAL[i]);
|
|
if (!val)
|
|
continue;
|
|
result[OPTIONAL[i]] = val;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
function _usedThemesExceptId(aId)
|
|
LightweightThemeManager.usedThemes.filter(function (t) "id" in t && t.id != aId);
|
|
|
|
function _version(aThemeData)
|
|
aThemeData.version || "";
|
|
|
|
function _makeURI(aURL, aBaseURI)
|
|
_ioService.newURI(aURL, null, aBaseURI);
|
|
|
|
function _updateUsedThemes(aList) {
|
|
// Send uninstall events for all themes that need to be removed.
|
|
while (aList.length > MAX_USED_THEMES_COUNT) {
|
|
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);
|
|
|
|
_observerService.notifyObservers(null, "lightweight-theme-list-changed", null);
|
|
}
|
|
|
|
function _notifyWindows(aThemeData) {
|
|
_observerService.notifyObservers(null, "lightweight-theme-styling-update",
|
|
JSON.stringify(aThemeData));
|
|
}
|
|
|
|
var _previewTimer;
|
|
var _previewTimerCallback = {
|
|
notify: function () {
|
|
LightweightThemeManager.resetPreview();
|
|
}
|
|
};
|
|
|
|
function _persistImages(aData) {
|
|
function onSuccess(key) function () {
|
|
let current = LightweightThemeManager.currentTheme;
|
|
if (current && current.id == aData.id)
|
|
_prefs.setBoolPref("persisted." + key, true);
|
|
};
|
|
|
|
for (let key in PERSIST_FILES) {
|
|
_prefs.setBoolPref("persisted." + key, false);
|
|
if (aData[key])
|
|
_persistImage(aData[key], PERSIST_FILES[key], onSuccess(key));
|
|
}
|
|
}
|
|
|
|
function _getLocalImageURI(localFileName) {
|
|
var localFile = Cc["@mozilla.org/file/directory_service;1"]
|
|
.getService(Ci.nsIProperties)
|
|
.get("ProfD", Ci.nsILocalFile);
|
|
localFile.append(localFileName);
|
|
return _ioService.newFileURI(localFile);
|
|
}
|
|
|
|
function _persistImage(sourceURL, localFileName, successCallback) {
|
|
if (/^file:/.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, null, null, targetURI);
|
|
}
|
|
|
|
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);
|