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// Copyright (c) 2008-2009 by Kris Maglione <maglione.k at Gmail>
//
// This work is licensed for reuse under an MIT license. Details are
// given in the LICENSE.txt file included with this file.
"use strict";
/** @scope modules */
/**
* Cached XPCOM services and classes.
*
* @constructor
*/
const Services = Module("services", {
init: function () {
this.classes = {};
this.services = {};
this.add("appStartup", "@mozilla.org/toolkit/app-startup;1", Ci.nsIAppStartup);
this.add("autoCompleteSearch", "@mozilla.org/autocomplete/search;1?name=history", Ci.nsIAutoCompleteSearch);
this.add("bookmarks", "@mozilla.org/browser/nav-bookmarks-service;1", Ci.nsINavBookmarksService);
this.add("browserSearch", "@mozilla.org/browser/search-service;1", Ci.nsIBrowserSearchService);
this.add("cache", "@mozilla.org/network/cache-service;1", Ci.nsICacheService);
this.add("console", "@mozilla.org/consoleservice;1", Ci.nsIConsoleService);
this.add("dactyl:", "@mozilla.org/network/protocol;1?name=dactyl");
this.add("debugger", "@mozilla.org/js/jsd/debugger-service;1", Ci.jsdIDebuggerService);
this.add("directory", "@mozilla.org/file/directory_service;1", Ci.nsIProperties);
this.add("downloadManager", "@mozilla.org/download-manager;1", Ci.nsIDownloadManager);
this.add("environment", "@mozilla.org/process/environment;1", Ci.nsIEnvironment);
this.add("extensionManager", "@mozilla.org/extensions/manager;1", Ci.nsIExtensionManager);
this.add("favicon", "@mozilla.org/browser/favicon-service;1", Ci.nsIFaviconService);
this.add("history", "@mozilla.org/browser/global-history;2", [Ci.nsIGlobalHistory3, Ci.nsINavHistoryService, Ci.nsIBrowserHistory]);
this.add("io", "@mozilla.org/network/io-service;1", Ci.nsIIOService);
this.add("json", "@mozilla.org/dom/json;1", Ci.nsIJSON, "createInstance");
this.add("livemark", "@mozilla.org/browser/livemark-service;2", Ci.nsILivemarkService);
this.add("observer", "@mozilla.org/observer-service;1", Ci.nsIObserverService);
this.add("pref", "@mozilla.org/preferences-service;1", [Ci.nsIPrefService, Ci.nsIPrefBranch, Ci.nsIPrefBranch2]);
this.add("profile", "@mozilla.org/toolkit/profile-service;1", Ci.nsIToolkitProfileService);
this.add("rdf", "@mozilla.org/rdf/rdf-service;1", Ci.nsIRDFService);
this.add("sessionStore", "@mozilla.org/browser/sessionstore;1", Ci.nsISessionStore);
this.add("subscriptLoader", "@mozilla.org/moz/jssubscript-loader;1", Ci.mozIJSSubScriptLoader);
this.add("threadManager", "@mozilla.org/thread-manager;1", Ci.nsIThreadManager);
this.add("windowMediator", "@mozilla.org/appshell/window-mediator;1", Ci.nsIWindowMediator);
this.add("windowWatcher", "@mozilla.org/embedcomp/window-watcher;1", Ci.nsIWindowWatcher);
this.add("xulAppInfo", "@mozilla.org/xre/app-info;1", Ci.nsIXULAppInfo);
this.addClass("file", "@mozilla.org/file/local;1", Ci.nsILocalFile);
this.addClass("file:", "@mozilla.org/network/protocol;1?name=file", Ci.nsIFileProtocolHandler);
this.addClass("find", "@mozilla.org/embedcomp/rangefind;1", Ci.nsIFind);
this.addClass("process", "@mozilla.org/process/util;1", Ci.nsIProcess);
this.addClass("zipWriter", "@mozilla.org/zipwriter;1", Ci.nsIZipWriter);
if (!this.get("extensionManager"))
Components.utils.import("resource://gre/modules/AddonManager.jsm", modules);
},
_create: function (classes, ifaces, meth) {
try {
let res = Cc[classes][meth || "getService"]();
if (!ifaces)
return res.wrappedJSObject;
ifaces = Array.concat(ifaces);
ifaces.forEach(function (iface) res.QueryInterface(iface));
return res;
}
catch (e) {
// dactyl.log() is not defined at this time, so just dump any error
dump("Service creation failed for '" + classes + "': " + e + "\n");
return null;
}
},
/**
* Adds a new XPCOM service to the cache.
*
* @param {string} name The service's cache key.
* @param {string} class The class's contract ID.
* @param {nsISupports|nsISupports[]} ifaces The interface or array of
* interfaces implemented by this service.
* @param {string} meth The name of the function used to instanciate
* the service.
*/
add: function (name, class_, ifaces, meth) {
return this.services[name] = this._create(class_, ifaces, meth);
},
/**
* Adds a new XPCOM class to the cache.
*
* @param {string} name The class's cache key.
* @param {string} class The class's contract ID.
* @param {nsISupports|nsISupports[]} ifaces The interface or array of
* interfaces implemented by this class.
*/
addClass: function (name, class_, ifaces) {
const self = this;
return this.classes[name] = function () self._create(class_, ifaces, "createInstance");
},
/**
* Returns the cached service with the specified name.
*
* @param {string} name The service's cache key.
*/
get: function (name) this.services[name],
/**
* Returns a new instance of the cached class with the specified name.
*
* @param {string} name The class's cache key.
*/
create: function (name) this.classes[name]()
}, {
}, {
completion: function () {
JavaScript.setCompleter(this.get, [function () services.services]);
JavaScript.setCompleter(this.create, [function () [[c, ""] for (c in services.classes)]]);
}
});
// vim: set fdm=marker sw=4 ts=4 et:
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