Fix REPL with foreign window contexts. Other general cleanup.

common/modules/dom.jsm

@@ -142,6 +142,7 @@ var DOM = Class("DOM", {
                 util.withProperErrors(fn, this, munge(val.call(this, elem, i)), elem, i);
             }, self || this);
 
+        if (this.length)
             util.withProperErrors(fn, self || this, munge(val), this[0], 0);
         return this;
     },
@@ -266,7 +267,7 @@ var DOM = Class("DOM", {
 
         add: function add(cls) this.each("add", cls),
         remove: function remove(cls) this.each("remove", cls),
-        toggle: function toggle(cls) this.each("toggle", cls),
+        toggle: function toggle(cls, val) this.each(val == null ? "toggle" : val ? "add" : "remove", cls),
 
         has: function has(cls) this[0].classList.has(cls)
     }),
@@ -290,9 +291,9 @@ var DOM = Class("DOM", {
                         this.highlight.list.filter(function (h) h != hl));
         }),
 
-        toggle: function toggle(hl) self.each(function () {
+        toggle: function toggle(hl, val) self.each(function () {
             let { highlight } = this;
-            highlight[highlight.has(hl) ? "remove" : "add"](hl)
+            highlight[val == null ? highlight.has(hl) : val ? "remove" : "add"](hl)
         }),
     }),
 
@@ -523,13 +524,17 @@ var DOM = Class("DOM", {
 
         if (isObject(key))
             return this.each(function (elem) {
-                for (let [k, v] in Iterator(key))
+                for (let [k, v] in Iterator(key)) {
+                    if (callable(v))
+                        v = v.call(this, elem, i);
+
                     if (Set.has(hooks, k) && hooks[k].set)
                         hooks[k].set.call(this, elem, v, k);
                     else if (v == null)
                         elem.removeAttributeNS(ns, k);
                     else
                         elem.setAttributeNS(ns, k, v);
+                }
             });
 
         if (!this.length)
@@ -593,7 +598,7 @@ var DOM = Class("DOM", {
         return this;
     },
 
-    prependTo: function appendTo(elem) {
+    prependTo: function prependTo(elem) {
         if (!(elem instanceof this.constructor))
             elem = this.constructor(elem, this.document);
         elem.prepend(this);
@@ -662,7 +667,7 @@ var DOM = Class("DOM", {
 
     getSet: function getSet(args, get, set) {
         if (!args.length)
-            return get.call(this, this[0]);
+            return this[0] && get.call(this, this[0]);
 
         let [fn, self] = args;
         if (!callable(fn))
@@ -698,7 +703,7 @@ var DOM = Class("DOM", {
             event = array.toObject([[event, listener]]);
 
         for (let [k, v] in Iterator(event))
-            event[k] = util.wrapCallback(v);
+            event[k] = util.wrapCallback(v, true);
 
         return this.each(function (elem) {
             for (let [k, v] in Iterator(event))

common/modules/io.jsm

@@ -316,13 +316,16 @@ var IO = Module("io", {
      *
      * @returns {File}
      */
-    createTempFile: function createTempFile() {
-        let file = services.directory.get("TmpD", Ci.nsIFile);
-        file.append(this.config.tempFile);
+    createTempFile: function createTempFile(name) {
+        if (name instanceof Ci.nsIFile)
+            var file = name.clone();
+        else {
+            file = services.directory.get("TmpD", Ci.nsIFile);
+            file.append(name || config.addon.name);
+        }
         file.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, octal(600));
 
-        Cc["@mozilla.org/uriloader/external-helper-app-service;1"]
-            .getService(Ci.nsPIExternalAppLauncher).deleteTemporaryFileOnExit(file);
+        services.externalApp.deleteTemporaryFileOnExit(file);
 
         return File(file);
     },

common/modules/javascript.jsm

@@ -761,7 +761,7 @@ var JavaScript = Module("javascript", {
                 init.supercall(this);
 
                 let self = this;
-                let sandbox = isinstance(context, ["Sandbox"]);
+                let sandbox = true || isinstance(context, ["Sandbox"]);
 
                 this.context = modules.newContext(context, !sandbox);
                 this.js = modules.JavaScript();

common/modules/services.jsm

@@ -37,6 +37,7 @@ var Services = Module("Services", {
         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("externalApp",         "@mozilla.org/uriloader/external-helper-app-service;1", "nsPIExternalAppLauncher")
         this.add("externalProtocol",    "@mozilla.org/uriloader/external-protocol-service;1", "nsIExternalProtocolService");
         this.add("favicon",             "@mozilla.org/browser/favicon-service;1",           "nsIFaviconService");
         this.add("file:",               "@mozilla.org/network/protocol;1?name=file",        "nsIFileProtocolHandler");
@@ -72,8 +73,10 @@ var Services = Module("Services", {
         this.addClass("CharsetConv",  "@mozilla.org/intl/scriptableunicodeconverter", "nsIScriptableUnicodeConverter", "charset");
         this.addClass("CharsetStream","@mozilla.org/intl/converter-input-stream;1",   ["nsIConverterInputStream",
                                                                                        "nsIUnicharLineInputStream"], "init");
+        this.addClass("ConvOutStream","@mozilla.org/intl/converter-output-stream;1", "nsIConverterOutputStream", "init", false);
         this.addClass("File",         "@mozilla.org/file/local;1",                 "nsILocalFile");
         this.addClass("FileInStream", "@mozilla.org/network/file-input-stream;1",  "nsIFileInputStream", "init", false);
+        this.addClass("FileOutStream","@mozilla.org/network/file-output-stream;1", "nsIFileOutputStream", "init", false);
         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");

common/modules/storage.jsm

@@ -425,11 +425,8 @@ this.File = Class("File", {
      * @default #charset
      */
     write: function (buf, mode, perms, encoding) {
-        let ofstream = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(Ci.nsIFileOutputStream);
         function getStream(defaultChar) {
-            let stream = Cc["@mozilla.org/intl/converter-output-stream;1"].createInstance(Ci.nsIConverterOutputStream);
-            stream.init(ofstream, encoding, 0, defaultChar);
-            return stream;
+            return services.ConvOutStream(ofstream, encoding, 0, defaultChar);
         }
         if (buf instanceof File)
             buf = buf.read();
@@ -447,7 +444,7 @@ this.File = Class("File", {
         if (!this.exists()) // OCREAT won't create the directory
             this.create(this.NORMAL_FILE_TYPE, perms);
 
-        ofstream.init(this, mode, perms, 0);
+        let ofstream = services.FileOutStream(this, mode, perms, 0);
         try {
             var ocstream = getStream(0);
             ocstream.writeString(buf);

common/modules/util.jsm

@@ -28,11 +28,16 @@ var FailedAssertion = Class("FailedAssertion", ErrorBase, {
 
 var Point = Struct("x", "y");
 
-var wrapCallback = function wrapCallback(fn) {
+var wrapCallback = function wrapCallback(fn, isEvent) {
     if (!fn.wrapper)
         fn.wrapper = function wrappedCallback() {
             try {
-                return fn.apply(this, arguments);
+                let res = fn.apply(this, arguments);
+                if (isEvent && res === false) {
+                    arguments[0].preventDefault();
+                    arguments[0].stopPropagation();
+                }
+                return res;
             }
             catch (e) {
                 util.reportError(e);