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// Copyright (c) 2008-2011 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";
try {
var global = this;
Components.utils.import("resource://dactyl/bootstrap.jsm");
defineModule("services", {
exports: ["services"],
use: ["util"]
}, this);
/**
* A lazily-instantiated XPCOM class and service cache.
*/
var Services = Module("Services", {
init: function () {
this.services = {};
this.add("annotation", "@mozilla.org/browser/annotation-service;1", "nsIAnnotationService");
this.add("appShell", "@mozilla.org/appshell/appShellService;1", "nsIAppShellService");
this.add("appStartup", "@mozilla.org/toolkit/app-startup;1", "nsIAppStartup");
this.add("autoCompleteSearch", "@mozilla.org/autocomplete/search;1?name=history", "nsIAutoCompleteSearch");
this.add("bookmarks", "@mozilla.org/browser/nav-bookmarks-service;1", "nsINavBookmarksService");
this.add("browserSearch", "@mozilla.org/browser/search-service;1", "nsIBrowserSearchService");
this.add("cache", "@mozilla.org/network/cache-service;1", "nsICacheService");
this.add("charset", "@mozilla.org/charset-converter-manager;1", "nsICharsetConverterManager");
this.add("chromeRegistry", "@mozilla.org/chrome/chrome-registry;1", "nsIXULChromeRegistry");
this.add("commandLineHandler", "@mozilla.org/commandlinehandler/general-startup;1?type=dactyl");
this.add("console", "@mozilla.org/consoleservice;1", "nsIConsoleService");
this.add("dactyl:", "@mozilla.org/network/protocol;1?name=dactyl");
this.add("debugger", "@mozilla.org/js/jsd/debugger-service;1", "jsdIDebuggerService");
this.add("directory", "@mozilla.org/file/directory_service;1", "nsIProperties");
this.add("downloadManager", "@mozilla.org/download-manager;1", "nsIDownloadManager");
this.add("environment", "@mozilla.org/process/environment;1", "nsIEnvironment");
this.add("extensionManager", "@mozilla.org/extensions/manager;1", "nsIExtensionManager");
this.add("externalProtocol", "@mozilla.org/uriloader/external-protocol-service;1", "nsIExternalProtocolService");
this.add("favicon", "@mozilla.org/browser/favicon-service;1", "nsIFaviconService");
this.add("focus", "@mozilla.org/focus-manager;1", "nsIFocusManager");
this.add("history", "@mozilla.org/browser/global-history;2",
["nsIBrowserHistory", "nsIGlobalHistory3", "nsINavHistoryService", "nsPIPlacesDatabase"]);
this.add("io", "@mozilla.org/network/io-service;1", "nsIIOService");
this.add("json", "@mozilla.org/dom/json;1", "nsIJSON", "createInstance");
this.add("livemark", "@mozilla.org/browser/livemark-service;2", "nsILivemarkService");
this.add("mime", "@mozilla.org/mime;1", "nsIMIMEService");
this.add("observer", "@mozilla.org/observer-service;1", "nsIObserverService");
this.add("pref", "@mozilla.org/preferences-service;1", ["nsIPrefBranch2", "nsIPrefService"]);
this.add("privateBrowsing", "@mozilla.org/privatebrowsing;1", "nsIPrivateBrowsingService");
this.add("profile", "@mozilla.org/toolkit/profile-service;1", "nsIToolkitProfileService");
this.add("resource:", "@mozilla.org/network/protocol;1?name=resource", ["nsIProtocolHandler", "nsIResProtocolHandler"]);
this.add("runtime", "@mozilla.org/xre/runtime;1", ["nsIXULAppInfo", "nsIXULRuntime"]);
this.add("rdf", "@mozilla.org/rdf/rdf-service;1", "nsIRDFService");
this.add("sessionStore", "@mozilla.org/browser/sessionstore;1", "nsISessionStore");
this.add("stringBundle", "@mozilla.org/intl/stringbundle;1", "nsIStringBundleService");
this.add("stylesheet", "@mozilla.org/content/style-sheet-service;1", "nsIStyleSheetService");
this.add("subscriptLoader", "@mozilla.org/moz/jssubscript-loader;1", "mozIJSSubScriptLoader");
this.add("tagging", "@mozilla.org/browser/tagging-service;1", "nsITaggingService");
this.add("threading", "@mozilla.org/thread-manager;1", "nsIThreadManager");
this.add("urifixup", "@mozilla.org/docshell/urifixup;1", "nsIURIFixup");
this.add("versionCompare", "@mozilla.org/xpcom/version-comparator;1", "nsIVersionComparator");
this.add("windowMediator", "@mozilla.org/appshell/window-mediator;1", "nsIWindowMediator");
this.add("windowWatcher", "@mozilla.org/embedcomp/window-watcher;1", "nsIWindowWatcher");
this.add("zipReader", "@mozilla.org/libjar/zip-reader-cache;1", "nsIZipReaderCache");
this.addClass("CharsetConv", "@mozilla.org/intl/scriptableunicodeconverter", "nsIScriptableUnicodeConverter", "charset");
this.addClass("File", "@mozilla.org/file/local;1", "nsILocalFile");
this.addClass("file:", "@mozilla.org/network/protocol;1?name=file", "nsIFileProtocolHandler");
this.addClass("Find", "@mozilla.org/embedcomp/rangefind;1", "nsIFind");
this.addClass("HtmlConverter","@mozilla.org/widget/htmlformatconverter;1", "nsIFormatConverter");
this.addClass("HtmlEncoder", "@mozilla.org/layout/htmlCopyEncoder;1", "nsIDocumentEncoder");
this.addClass("InputStream", "@mozilla.org/scriptableinputstream;1", "nsIScriptableInputStream", "init");
this.addClass("Persist", "@mozilla.org/embedding/browser/nsWebBrowserPersist;1", "nsIWebBrowserPersist");
this.addClass("Pipe", "@mozilla.org/pipe;1", "nsIPipe", "init");
this.addClass("Process", "@mozilla.org/process/util;1", "nsIProcess", "init");
this.addClass("StreamChannel","@mozilla.org/network/input-stream-channel;1",
["nsIChannel", "nsIInputStreamChannel", "nsIRequest"], "setURI");
this.addClass("StreamCopier", "@mozilla.org/network/async-stream-copier;1","nsIAsyncStreamCopier", "init");
this.addClass("String", "@mozilla.org/supports-string;1", "nsISupportsString", "data");
this.addClass("StringStream", "@mozilla.org/io/string-input-stream;1", "nsIStringInputStream", "data");
this.addClass("Transfer", "@mozilla.org/transfer;1", "nsITransfer", "init");
this.addClass("Timer", "@mozilla.org/timer;1", "nsITimer", "initWithCallback");
this.addClass("Xmlhttp", "@mozilla.org/xmlextras/xmlhttprequest;1", "nsIXMLHttpRequest");
this.addClass("XPathEvaluator", "@mozilla.org/dom/xpath-evaluator;1", "nsIDOMXPathEvaluator");
this.addClass("XMLDocument", "@mozilla.org/xml/xml-document;1", ["nsIDOMXMLDocument", "nsIDOMNodeSelector"]);
this.addClass("ZipReader", "@mozilla.org/libjar/zip-reader;1", "nsIZipReader", "open");
this.addClass("ZipWriter", "@mozilla.org/zipwriter;1", "nsIZipWriter");
},
reinit: function () {},
_create: function (classes, ifaces, meth, init, args) {
try {
let res = Cc[classes][meth || "getService"]();
if (!ifaces)
return res["wrapped" + "JSObject"]; // Kill stupid validator warning
Array.concat(ifaces).forEach(function (iface) res.QueryInterface(Ci[iface]));
if (init && args.length) {
try {
var isCallable = callable(res[init]);
}
catch (e) {} // Ugh.
if (isCallable)
res[init].apply(res, args);
else
res[init] = args[0];
}
return res;
}
catch (e) {
if (typeof util !== "undefined")
util.reportError(e);
else
dump("dactyl: Service creation failed for '" + classes + "': " + e + "\n" + (e.stack || Error(e).stack));
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 {string|string[]} ifaces The interface or array of
* interfaces implemented by this service.
* @param {string} meth The name of the function used to instantiate
* the service.
*/
add: function (name, class_, ifaces, meth) {
const self = this;
this.services[name] = { class: class_, interfaces: Array.concat(ifaces || []) };
if (name in this && ifaces && !this.__lookupGetter__(name) && !(this[name] instanceof Ci.nsISupports))
throw TypeError();
memoize(this, name, function () self._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.
* @param {string} init Name of a property or method used to initialise the
* class. See {@link #_create}.
*/
addClass: function (name, class_, ifaces, init) {
const self = this;
this[name] = function () self._create(class_, ifaces, "createInstance", init, arguments);
update.apply(null, [this[name]].concat([Ci[i] for each (i in Array.concat(ifaces))]));
return this[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[name[0].toUpperCase() + name.substr(1)],
/**
* Returns the cached service with the specified name.
*
* @param {string} name The service's cache key.
*/
get: function (name) this[name],
/**
* Returns true if the given service is available.
*
* @param {string} name The service's cache key.
*/
has: function (name) set.has(this.services, name) && this.services[name].class in Cc &&
this.services[name].interfaces.every(function (iface) iface in Ci)
}, {
}, {
javascript: function (dactyl, modules) {
modules.JavaScript.setCompleter(this.get, [function () [[k, v] for ([k, v] in Iterator(services)) if (v instanceof Ci.nsISupports)]]);
}
});
endModule();
} catch(e){dump(e.fileName+":"+e.lineNumber+": "+e+"\n" + e.stack);}
// vim: set fdm=marker sw=4 sts=4 et ft=javascript:
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