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Diffstat (limited to 'tools/addon-sdk-1.3/packages/api-utils/lib/cuddlefish.js')
-rw-r--r-- | tools/addon-sdk-1.3/packages/api-utils/lib/cuddlefish.js | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.3/packages/api-utils/lib/cuddlefish.js b/tools/addon-sdk-1.3/packages/api-utils/lib/cuddlefish.js new file mode 100644 index 0000000..70c71b5 --- /dev/null +++ b/tools/addon-sdk-1.3/packages/api-utils/lib/cuddlefish.js @@ -0,0 +1,182 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Jetpack. + * + * The Initial Developer of the Original Code is Mozilla. + * Portions created by the Initial Developer are Copyright (C) 2007 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Atul Varma <atul@mozilla.com> + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +"use strict"; + +(function(global) { + + const Cc = Components.classes; + const Ci = Components.interfaces; + const Cu = Components.utils; + const Cr = Components.results; + + var exports = {}; + + // Load the SecurableModule prerequisite. + var securableModule; + var myURI = Components.stack.filename.split(" -> ").slice(-1)[0]; + + if (global.require) { + // We're being loaded in a SecurableModule. This call also tells the + // manifest-scanner that it ought to scan securable-module.js + securableModule = require("api-utils/securable-module"); + } else { + var ios = Cc['@mozilla.org/network/io-service;1'] + .getService(Ci.nsIIOService); + var securableModuleURI = ios.newURI("securable-module.js", null, + ios.newURI(myURI, null, null)); + if (securableModuleURI.scheme == "chrome") { + // The securable-module module is at a chrome URI, so we can't + // simply load it via Cu.import(). Let's assume we're in a + // chrome-privileged document and use mozIJSSubScriptLoader. + var loader = Cc["@mozilla.org/moz/jssubscript-loader;1"] + .getService(Ci.mozIJSSubScriptLoader); + + // Import the script, don't pollute the global scope. + securableModule = {__proto__: global}; + loader.loadSubScript(securableModuleURI.spec, securableModule); + securableModule = securableModule.SecurableModule; + } else { + securableModule = {}; + try { + Cu.import(securableModuleURI.spec, securableModule); + } catch (e if e.result == Cr.NS_ERROR_ILLEGAL_VALUE) { + Cu.reportError("Failed to load " + securableModuleURI.spec); + } + } + } + + if (false) // force the manifest-scanner to copy shims.js into the XPI + require("api-utils/shims"); + var localFS = new securableModule.LocalFileSystem(myURI); + var shimsPath = localFS.resolveModule(null, "shims"); + var shims = exports.shims = localFS.getFile(shimsPath); + + shims.filename = shimsPath; + + function unloadLoader(reason, onError) { + this.require("api-utils/unload").send(reason, onError); + } + + function makeGetModuleExports(delegate) { + return function getModuleExports(basePath, module) { + switch (module) { + case "chrome": + var chrome = { Cc: Components.classes, + Ci: Components.interfaces, + Cu: Components.utils, + Cr: Components.results, + Cm: Components.manager, + components: Components }; + return chrome; + default: + return (delegate ? delegate.call(this, basePath, module) : null); + } + }; + } + + function modifyModuleSandbox(sandbox, options) { + sandbox.evaluate(shims); + var filename = options.filename ? options.filename : null; + sandbox.defineProperty("__url__", filename); + } + + var Loader = exports.Loader = function Loader(options) { + var globals = {}; + + if (options.globals) + for (let name in options.globals) + globals[name] = options.globals[name]; + + if (options.console) + globals.console = options.console; + if (options.memory) + globals.memory = options.memory; + + if ('modules' in options) + throw new Error('options.modules is no longer supported'); + + var getModuleExports = makeGetModuleExports(options.getModuleExports); + + var manifest = {}; + if ("packaging" in options) + manifest = options.packaging.options.manifest; + var loaderOptions = {rootPath: options.rootPath, + rootPaths: options.rootPaths, + metadata: options.metadata, + uriPrefix: options.uriPrefix, + name: options.name, + fs: options.fs, + defaultPrincipal: "system", + globals: globals, + modifyModuleSandbox: modifyModuleSandbox, + manifest: manifest, + getModuleExports: getModuleExports}; + + var loader = new securableModule.Loader(loaderOptions); + + if (!globals.console) { + var console = loader.require("api-utils/plain-text-console"); + globals.console = new console.PlainTextConsole(options.print); + } + if (!globals.memory) + globals.memory = loader.require("api-utils/memory"); + + loader.console = globals.console; + loader.memory = globals.memory; + loader.unload = unloadLoader; + + return loader; + }; + + if (global.window) { + // We're being loaded in a chrome window, or a web page with + // UniversalXPConnect privileges. + global.Cuddlefish = exports; + } else if (global.exports) { + // We're being loaded in a SecurableModule. + for (let name in exports) { + global.exports[name] = exports[name]; + } + } else { + // We're being loaded in a JS module. + global.EXPORTED_SYMBOLS = []; + for (let name in exports) { + global.EXPORTED_SYMBOLS.push(name); + global[name] = exports[name]; + } + } + })(this); |