Add m-esr52 at 52.6.0

5 files changed, 1445 insertions, 0 deletions

diff --git a/toolkit/components/prompts/src/CommonDialog.jsm b/toolkit/components/prompts/src/CommonDialog.jsm
new file mode 100644
index 000000000..c4200feb3
--- /dev/null
+++ b/toolkit/components/prompts/src/CommonDialog.jsm
@@ -0,0 +1,308 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+this.EXPORTED_SYMBOLS = ["CommonDialog"];
+
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cc = Components.classes;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "EnableDelayHelper",
+                                  "resource://gre/modules/SharedPromptUtils.jsm");
+
+
+this.CommonDialog = function CommonDialog(args, ui) {
+    this.args = args;
+    this.ui   = ui;
+}
+
+CommonDialog.prototype = {
+    args : null,
+    ui   : null,
+
+    hasInputField : true,
+    numButtons    : undefined,
+    iconClass     : undefined,
+    soundID       : undefined,
+    focusTimer    : null,
+
+    onLoad : function(xulDialog) {
+        switch (this.args.promptType) {
+          case "alert":
+          case "alertCheck":
+            this.hasInputField = false;
+            this.numButtons    = 1;
+            this.iconClass     = ["alert-icon"];
+            this.soundID       = Ci.nsISound.EVENT_ALERT_DIALOG_OPEN;
+            break;
+          case "confirmCheck":
+          case "confirm":
+            this.hasInputField = false;
+            this.numButtons    = 2;
+            this.iconClass     = ["question-icon"];
+            this.soundID       = Ci.nsISound.EVENT_CONFIRM_DIALOG_OPEN;
+            break;
+          case "confirmEx":
+            var numButtons = 0;
+            if (this.args.button0Label)
+                numButtons++;
+            if (this.args.button1Label)
+                numButtons++;
+            if (this.args.button2Label)
+                numButtons++;
+            if (this.args.button3Label)
+                numButtons++;
+            if (numButtons == 0)
+                throw "A dialog with no buttons? Can not haz.";
+            this.numButtons    = numButtons;
+            this.hasInputField = false;
+            this.iconClass     = ["question-icon"];
+            this.soundID       = Ci.nsISound.EVENT_CONFIRM_DIALOG_OPEN;
+            break;
+          case "prompt":
+            this.numButtons = 2;
+            this.iconClass  = ["question-icon"];
+            this.soundID    = Ci.nsISound.EVENT_PROMPT_DIALOG_OPEN;
+            this.initTextbox("login", this.args.value);
+            // Clear the label, since this isn't really a username prompt.
+            this.ui.loginLabel.setAttribute("value", "");
+            break;
+          case "promptUserAndPass":
+            this.numButtons = 2;
+            this.iconClass  = ["authentication-icon", "question-icon"];
+            this.soundID    = Ci.nsISound.EVENT_PROMPT_DIALOG_OPEN;
+            this.initTextbox("login",     this.args.user);
+            this.initTextbox("password1", this.args.pass);
+            break;
+          case "promptPassword":
+            this.numButtons = 2;
+            this.iconClass  = ["authentication-icon", "question-icon"];
+            this.soundID    = Ci.nsISound.EVENT_PROMPT_DIALOG_OPEN;
+            this.initTextbox("password1", this.args.pass);
+            // Clear the label, since the message presumably indicates its purpose.
+            this.ui.password1Label.setAttribute("value", "");
+            break;
+          default:
+            Cu.reportError("commonDialog opened for unknown type: " + this.args.promptType);
+            throw "unknown dialog type";
+        }
+
+        // set the document title
+        let title = this.args.title;
+        // OS X doesn't have a title on modal dialogs, this is hidden on other platforms.
+        let infoTitle = this.ui.infoTitle;
+        infoTitle.appendChild(infoTitle.ownerDocument.createTextNode(title));
+        if (xulDialog)
+            xulDialog.ownerDocument.title = title;
+
+        // Set button labels and visibility
+        //
+        // This assumes that button0 defaults to a visible "ok" button, and
+        // button1 defaults to a visible "cancel" button. The other 2 buttons
+        // have no default labels (and are hidden).
+        switch (this.numButtons) {
+          case 4:
+            this.setLabelForNode(this.ui.button3, this.args.button3Label);
+            this.ui.button3.hidden = false;
+            // fall through
+          case 3:
+            this.setLabelForNode(this.ui.button2, this.args.button2Label);
+            this.ui.button2.hidden = false;
+            // fall through
+          case 2:
+            // Defaults to a visible "cancel" button
+            if (this.args.button1Label)
+                this.setLabelForNode(this.ui.button1, this.args.button1Label);
+            break;
+
+          case 1:
+            this.ui.button1.hidden = true;
+            break;
+        }
+        // Defaults to a visible "ok" button
+        if (this.args.button0Label)
+            this.setLabelForNode(this.ui.button0, this.args.button0Label);
+
+        // display the main text
+        let croppedMessage = "";
+        if (this.args.text) {
+            // Bug 317334 - crop string length as a workaround.
+            croppedMessage = this.args.text.substr(0, 10000);
+        }
+        let infoBody = this.ui.infoBody;
+        infoBody.appendChild(infoBody.ownerDocument.createTextNode(croppedMessage));
+
+        let label = this.args.checkLabel;
+        if (label) {
+            // Only show the checkbox if label has a value.
+            this.ui.checkboxContainer.hidden = false;
+            this.setLabelForNode(this.ui.checkbox, label);
+            this.ui.checkbox.checked = this.args.checked;
+        }
+
+        // set the icon
+        let icon = this.ui.infoIcon;
+        if (icon)
+            this.iconClass.forEach((el, idx, arr) => icon.classList.add(el));
+
+        // set default result to cancelled
+        this.args.ok = false;
+        this.args.buttonNumClicked = 1;
+
+
+        // Set the default button
+        let b = (this.args.defaultButtonNum || 0);
+        let button = this.ui["button" + b];
+
+        if (xulDialog)
+            xulDialog.defaultButton = ['accept', 'cancel', 'extra1', 'extra2'][b];
+        else
+            button.setAttribute("default", "true");
+
+        // Set default focus / selection.
+        this.setDefaultFocus(true);
+
+        if (this.args.enableDelay) {
+            this.delayHelper = new EnableDelayHelper({
+                disableDialog: () => this.setButtonsEnabledState(false),
+                enableDialog: () => this.setButtonsEnabledState(true),
+                focusTarget: this.ui.focusTarget
+            });
+        }
+
+        // Play a sound (unless we're tab-modal -- don't want those to feel like OS prompts).
+        try {
+            if (xulDialog && this.soundID) {
+                Cc["@mozilla.org/sound;1"].
+                createInstance(Ci.nsISound).
+                playEventSound(this.soundID);
+            }
+        } catch (e) {
+            Cu.reportError("Couldn't play common dialog event sound: " + e);
+        }
+
+        let topic = "common-dialog-loaded";
+        if (!xulDialog)
+            topic = "tabmodal-dialog-loaded";
+        Services.obs.notifyObservers(this.ui.prompt, topic, null);
+    },
+
+    setLabelForNode: function(aNode, aLabel) {
+        // This is for labels which may contain embedded access keys.
+        // If we end in (&X) where X represents the access key, optionally preceded
+        // by spaces and/or followed by the ':' character, store the access key and
+        // remove the access key placeholder + leading spaces from the label.
+        // Otherwise a character preceded by one but not two &s is the access key.
+        // Store it and remove the &.
+
+        // Note that if you change the following code, see the comment of
+        // nsTextBoxFrame::UpdateAccessTitle.
+        var accessKey = null;
+        if (/ *\(\&([^&])\)(:?)$/.test(aLabel)) {
+            aLabel = RegExp.leftContext + RegExp.$2;
+            accessKey = RegExp.$1;
+        } else if (/^([^&]*)\&(([^&]).*$)/.test(aLabel)) {
+            aLabel = RegExp.$1 + RegExp.$2;
+            accessKey = RegExp.$3;
+        }
+
+        // && is the magic sequence to embed an & in your label.
+        aLabel = aLabel.replace(/\&\&/g, "&");
+        aNode.label = aLabel;
+
+        // XXXjag bug 325251
+        // Need to set this after aNode.setAttribute("value", aLabel);
+        if (accessKey)
+            aNode.accessKey = accessKey;
+    },
+
+
+    initTextbox : function (aName, aValue) {
+        this.ui[aName + "Container"].hidden = false;
+        this.ui[aName + "Textbox"].setAttribute("value",
+                                                aValue !== null ? aValue : "");
+    },
+
+    setButtonsEnabledState : function(enabled) {
+        this.ui.button0.disabled = !enabled;
+        // button1 (cancel) remains enabled.
+        this.ui.button2.disabled = !enabled;
+        this.ui.button3.disabled = !enabled;
+    },
+
+    setDefaultFocus : function(isInitialLoad) {
+        let b = (this.args.defaultButtonNum || 0);
+        let button = this.ui["button" + b];
+
+        if (!this.hasInputField) {
+            let isOSX = ("nsILocalFileMac" in Components.interfaces);
+            if (isOSX)
+                this.ui.infoBody.focus();
+            else
+                button.focus();
+        } else if (this.args.promptType == "promptPassword") {
+            // When the prompt is initialized, focus and select the textbox
+            // contents. Afterwards, only focus the textbox.
+            if (isInitialLoad)
+                this.ui.password1Textbox.select();
+            else
+                this.ui.password1Textbox.focus();
+        } else if (isInitialLoad) {
+                this.ui.loginTextbox.select();
+        } else {
+                this.ui.loginTextbox.focus();
+        }
+    },
+
+    onCheckbox : function() {
+        this.args.checked = this.ui.checkbox.checked;
+    },
+
+    onButton0 : function() {
+        this.args.promptActive = false;
+        this.args.ok = true;
+        this.args.buttonNumClicked = 0;
+
+        let username = this.ui.loginTextbox.value;
+        let password = this.ui.password1Textbox.value;
+
+        // Return textfield values
+        switch (this.args.promptType) {
+          case "prompt":
+            this.args.value = username;
+            break;
+          case "promptUserAndPass":
+            this.args.user = username;
+            this.args.pass = password;
+            break;
+          case "promptPassword":
+            this.args.pass = password;
+            break;
+        }
+    },
+
+    onButton1 : function() {
+        this.args.promptActive = false;
+        this.args.buttonNumClicked = 1;
+    },
+
+    onButton2 : function() {
+        this.args.promptActive = false;
+        this.args.buttonNumClicked = 2;
+    },
+
+    onButton3 : function() {
+        this.args.promptActive = false;
+        this.args.buttonNumClicked = 3;
+    },
+
+    abortPrompt : function() {
+        this.args.promptActive = false;
+        this.args.promptAborted = true;
+    },
+
+};
diff --git a/toolkit/components/prompts/src/SharedPromptUtils.jsm b/toolkit/components/prompts/src/SharedPromptUtils.jsm
new file mode 100644
index 000000000..b27096ac2
--- /dev/null
+++ b/toolkit/components/prompts/src/SharedPromptUtils.jsm
@@ -0,0 +1,157 @@
+this.EXPORTED_SYMBOLS = [ "PromptUtils", "EnableDelayHelper" ];
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/Services.jsm");
+
+this.PromptUtils = {
+    // Fire a dialog open/close event. Used by tabbrowser to focus the
+    // tab which is triggering a prompt.
+    // For remote dialogs, we pass in a different DOM window and a separate
+    // target. If the caller doesn't pass in the target, then we'll simply use
+    // the passed-in DOM window.
+    // The detail may contain information about the principal on which the
+    // prompt is triggered, as well as whether or not this is a tabprompt
+    // (ie tabmodal alert/prompt/confirm and friends)
+    fireDialogEvent : function (domWin, eventName, maybeTarget, detail) {
+        let target = maybeTarget || domWin;
+        let eventOptions = {cancelable: true, bubbles: true};
+        if (detail) {
+          eventOptions.detail = detail;
+        }
+        let event = new domWin.CustomEvent(eventName, eventOptions);
+        let winUtils = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                             .getInterface(Ci.nsIDOMWindowUtils);
+        winUtils.dispatchEventToChromeOnly(target, event);
+    },
+
+    objectToPropBag : function (obj) {
+        let bag = Cc["@mozilla.org/hash-property-bag;1"].
+                  createInstance(Ci.nsIWritablePropertyBag2);
+        bag.QueryInterface(Ci.nsIWritablePropertyBag);
+
+        for (let propName in obj)
+            bag.setProperty(propName, obj[propName]);
+
+        return bag;
+    },
+
+    propBagToObject : function (propBag, obj) {
+        // Here we iterate over the object's original properties, not the bag
+        // (ie, the prompt can't return more/different properties than were
+        // passed in). This just helps ensure that the caller provides default
+        // values, lest the prompt forget to set them.
+        for (let propName in obj)
+            obj[propName] = propBag.getProperty(propName);
+    },
+};
+
+/**
+ * This helper handles the enabling/disabling of dialogs that might
+ * be subject to fast-clicking attacks. It handles the initial delayed
+ * enabling of the dialog, as well as disabling it on blur and reapplying
+ * the delay when the dialog regains focus.
+ *
+ * @param enableDialog   A custom function to be called when the dialog
+ *                       is to be enabled.
+ * @param diableDialog   A custom function to be called when the dialog
+ *                       is to be disabled.
+ * @param focusTarget    The window used to watch focus/blur events.
+ */
+this.EnableDelayHelper = function({enableDialog, disableDialog, focusTarget}) {
+    this.enableDialog = makeSafe(enableDialog);
+    this.disableDialog = makeSafe(disableDialog);
+    this.focusTarget = focusTarget;
+
+    this.disableDialog();
+
+    this.focusTarget.addEventListener("blur", this, false);
+    this.focusTarget.addEventListener("focus", this, false);
+    this.focusTarget.document.addEventListener("unload", this, false);
+
+    this.startOnFocusDelay();
+};
+
+this.EnableDelayHelper.prototype = {
+    get delayTime() {
+        return Services.prefs.getIntPref("security.dialog_enable_delay");
+    },
+
+    handleEvent : function(event) {
+        if (event.target != this.focusTarget &&
+            event.target != this.focusTarget.document)
+            return;
+
+        switch (event.type) {
+            case "blur":
+                this.onBlur();
+                break;
+
+            case "focus":
+                this.onFocus();
+                break;
+
+            case "unload":
+                this.onUnload();
+                break;
+        }
+    },
+
+    onBlur : function () {
+        this.disableDialog();
+        // If we blur while waiting to enable the buttons, just cancel the
+        // timer to ensure the delay doesn't fire while not focused.
+        if (this._focusTimer) {
+            this._focusTimer.cancel();
+            this._focusTimer = null;
+        }
+    },
+
+    onFocus : function () {
+        this.startOnFocusDelay();
+    },
+
+    onUnload: function() {
+        this.focusTarget.removeEventListener("blur", this, false);
+        this.focusTarget.removeEventListener("focus", this, false);
+        this.focusTarget.document.removeEventListener("unload", this, false);
+
+        if (this._focusTimer) {
+            this._focusTimer.cancel();
+            this._focusTimer = null;
+        }
+
+        this.focusTarget = this.enableDialog = this.disableDialog = null;
+    },
+
+    startOnFocusDelay : function() {
+        if (this._focusTimer)
+            return;
+
+        this._focusTimer = Cc["@mozilla.org/timer;1"]
+                             .createInstance(Ci.nsITimer);
+        this._focusTimer.initWithCallback(
+            () => { this.onFocusTimeout(); },
+            this.delayTime,
+            Ci.nsITimer.TYPE_ONE_SHOT
+        );
+    },
+
+    onFocusTimeout : function() {
+        this._focusTimer = null;
+        this.enableDialog();
+    },
+};
+
+function makeSafe(fn) {
+    return function () {
+        // The dialog could be gone by now (if the user closed it),
+        // which makes it likely that the given fn might throw.
+        try {
+            fn();
+        } catch (e) { }
+    };
+}
diff --git a/toolkit/components/prompts/src/moz.build b/toolkit/components/prompts/src/moz.build
new file mode 100644
index 000000000..b13e47b42
--- /dev/null
+++ b/toolkit/components/prompts/src/moz.build
@@ -0,0 +1,16 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+EXTRA_COMPONENTS += [
+    'nsPrompter.js',
+    'nsPrompter.manifest',
+]
+
+EXTRA_JS_MODULES += [
+    'CommonDialog.jsm',
+    'SharedPromptUtils.jsm',
+]
+
diff --git a/toolkit/components/prompts/src/nsPrompter.js b/toolkit/components/prompts/src/nsPrompter.js
new file mode 100644
index 000000000..26efe28cc
--- /dev/null
+++ b/toolkit/components/prompts/src/nsPrompter.js
@@ -0,0 +1,958 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/SharedPromptUtils.jsm");
+
+function Prompter() {
+    // Note that EmbedPrompter clones this implementation.
+}
+
+Prompter.prototype = {
+    classID          : Components.ID("{1c978d25-b37f-43a8-a2d6-0c7a239ead87}"),
+    QueryInterface   : XPCOMUtils.generateQI([Ci.nsIPromptFactory, Ci.nsIPromptService, Ci.nsIPromptService2]),
+
+
+    /* ----------  private members  ---------- */
+
+    pickPrompter : function (domWin) {
+        return new ModalPrompter(domWin);
+    },
+
+
+    /* ----------  nsIPromptFactory  ---------- */
+
+
+    getPrompt : function (domWin, iid) {
+        // This is still kind of dumb; the C++ code delegated to login manager
+        // here, which in turn calls back into us via nsIPromptService2.
+        if (iid.equals(Ci.nsIAuthPrompt2) || iid.equals(Ci.nsIAuthPrompt)) {
+            try {
+                let pwmgr = Cc["@mozilla.org/passwordmanager/authpromptfactory;1"].
+                            getService(Ci.nsIPromptFactory);
+                return pwmgr.getPrompt(domWin, iid);
+            } catch (e) {
+                Cu.reportError("nsPrompter: Delegation to password manager failed: " + e);
+            }
+        }
+
+        let p = new ModalPrompter(domWin);
+        p.QueryInterface(iid);
+        return p;
+    },
+
+
+    /* ----------  nsIPromptService  ---------- */
+
+
+    alert : function (domWin, title, text) {
+        let p = this.pickPrompter(domWin);
+        p.alert(title, text);
+    },
+
+    alertCheck : function (domWin, title, text, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        p.alertCheck(title, text, checkLabel, checkValue);
+    },
+
+    confirm : function (domWin, title, text) {
+        let p = this.pickPrompter(domWin);
+        return p.confirm(title, text);
+    },
+
+    confirmCheck : function (domWin, title, text, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.confirmCheck(title, text, checkLabel, checkValue);
+    },
+
+    confirmEx : function (domWin, title, text, flags, button0, button1, button2, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.confirmEx(title, text,  flags, button0, button1, button2, checkLabel, checkValue);
+    },
+
+    prompt : function (domWin, title, text, value, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.nsIPrompt_prompt(title, text, value, checkLabel, checkValue);
+    },
+
+    promptUsernameAndPassword : function (domWin, title, text, user, pass, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.nsIPrompt_promptUsernameAndPassword(title, text, user, pass, checkLabel, checkValue);
+    },
+
+    promptPassword : function (domWin, title, text, pass, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.nsIPrompt_promptPassword(title, text, pass, checkLabel, checkValue);
+    },
+
+    select : function (domWin, title, text, count, list, selected) {
+        let p = this.pickPrompter(domWin);
+        return p.select(title, text, count, list, selected);
+    },
+
+
+    /* ----------  nsIPromptService2  ---------- */
+
+
+    promptAuth : function (domWin, channel, level, authInfo, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.promptAuth(channel, level, authInfo, checkLabel, checkValue);
+    },
+
+    asyncPromptAuth : function (domWin, channel, callback, context, level, authInfo, checkLabel, checkValue) {
+        let p = this.pickPrompter(domWin);
+        return p.asyncPromptAuth(channel, callback, context, level, authInfo, checkLabel, checkValue);
+    },
+
+};
+
+
+// Common utils not specific to a particular prompter style.
+var PromptUtilsTemp = {
+    __proto__ : PromptUtils,
+
+    getLocalizedString : function (key, formatArgs) {
+        if (formatArgs)
+            return this.strBundle.formatStringFromName(key, formatArgs, formatArgs.length);
+        return this.strBundle.GetStringFromName(key);
+    },
+
+    confirmExHelper : function (flags, button0, button1, button2) {
+        const BUTTON_DEFAULT_MASK = 0x03000000;
+        let defaultButtonNum = (flags & BUTTON_DEFAULT_MASK) >> 24;
+        let isDelayEnabled = (flags & Ci.nsIPrompt.BUTTON_DELAY_ENABLE);
+
+        // Flags can be used to select a specific pre-defined button label or
+        // a caller-supplied string (button0/button1/button2). If no flags are
+        // set for a button, then the button won't be shown.
+        let argText = [button0, button1, button2];
+        let buttonLabels = [null, null, null];
+        for (let i = 0; i < 3; i++) {
+            let buttonLabel;
+            switch (flags & 0xff) {
+              case Ci.nsIPrompt.BUTTON_TITLE_OK:
+                buttonLabel = PromptUtils.getLocalizedString("OK");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_CANCEL:
+                buttonLabel = PromptUtils.getLocalizedString("Cancel");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_YES:
+                buttonLabel = PromptUtils.getLocalizedString("Yes");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_NO:
+                buttonLabel = PromptUtils.getLocalizedString("No");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_SAVE:
+                buttonLabel = PromptUtils.getLocalizedString("Save");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_DONT_SAVE:
+                buttonLabel = PromptUtils.getLocalizedString("DontSave");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_REVERT:
+                buttonLabel = PromptUtils.getLocalizedString("Revert");
+                break;
+              case Ci.nsIPrompt.BUTTON_TITLE_IS_STRING:
+                buttonLabel = argText[i];
+                break;
+            }
+            if (buttonLabel)
+                buttonLabels[i] = buttonLabel;
+            flags >>= 8;
+        }
+
+        return [buttonLabels[0], buttonLabels[1], buttonLabels[2], defaultButtonNum, isDelayEnabled];
+    },
+
+    getAuthInfo : function (authInfo) {
+        let username, password;
+
+        let flags = authInfo.flags;
+        if (flags & Ci.nsIAuthInformation.NEED_DOMAIN && authInfo.domain)
+            username = authInfo.domain + "\\" + authInfo.username;
+        else
+            username = authInfo.username;
+
+        password = authInfo.password;
+
+        return [username, password];
+    },
+
+    setAuthInfo : function (authInfo, username, password) {
+        let flags = authInfo.flags;
+        if (flags & Ci.nsIAuthInformation.NEED_DOMAIN) {
+            // Domain is separated from username by a backslash
+            let idx = username.indexOf("\\");
+            if (idx == -1) {
+                authInfo.username = username;
+            } else {
+                authInfo.domain   =  username.substring(0, idx);
+                authInfo.username =  username.substring(idx+1);
+            }
+        } else {
+            authInfo.username = username;
+        }
+        authInfo.password = password;
+    },
+
+    /**
+     * Strip out things like userPass and path for display.
+     */
+    getFormattedHostname : function (uri) {
+        return uri.scheme + "://" + uri.hostPort;
+    },
+
+    // Copied from login manager
+    getAuthTarget : function (aChannel, aAuthInfo) {
+        let hostname, realm;
+
+        // If our proxy is demanding authentication, don't use the
+        // channel's actual destination.
+        if (aAuthInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY) {
+            if (!(aChannel instanceof Ci.nsIProxiedChannel))
+                throw "proxy auth needs nsIProxiedChannel";
+
+            let info = aChannel.proxyInfo;
+            if (!info)
+                throw "proxy auth needs nsIProxyInfo";
+
+            // Proxies don't have a scheme, but we'll use "moz-proxy://"
+            // so that it's more obvious what the login is for.
+            let idnService = Cc["@mozilla.org/network/idn-service;1"].
+                             getService(Ci.nsIIDNService);
+            hostname = "moz-proxy://" +
+                        idnService.convertUTF8toACE(info.host) +
+                        ":" + info.port;
+            realm = aAuthInfo.realm;
+            if (!realm)
+                realm = hostname;
+
+            return [hostname, realm];
+        }
+
+        hostname = this.getFormattedHostname(aChannel.URI);
+
+        // If a HTTP WWW-Authenticate header specified a realm, that value
+        // will be available here. If it wasn't set or wasn't HTTP, we'll use
+        // the formatted hostname instead.
+        realm = aAuthInfo.realm;
+        if (!realm)
+            realm = hostname;
+
+        return [hostname, realm];
+    },
+
+
+    makeAuthMessage : function (channel, authInfo) {
+        let isProxy    = (authInfo.flags & Ci.nsIAuthInformation.AUTH_PROXY);
+        let isPassOnly = (authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD);
+        let isCrossOrig = (authInfo.flags &
+                           Ci.nsIAuthInformation.CROSS_ORIGIN_SUB_RESOURCE);
+
+        let username = authInfo.username;
+        let [displayHost, realm] = this.getAuthTarget(channel, authInfo);
+
+        // Suppress "the site says: $realm" when we synthesized a missing realm.
+        if (!authInfo.realm && !isProxy)
+            realm = "";
+
+        // Trim obnoxiously long realms.
+        if (realm.length > 150) {
+            realm = realm.substring(0, 150);
+            // Append "..." (or localized equivalent).
+            realm += this.ellipsis;
+        }
+
+        let text;
+        if (isProxy) {
+            text = PromptUtils.getLocalizedString("EnterLoginForProxy3", [realm, displayHost]);
+        } else if (isPassOnly) {
+            text = PromptUtils.getLocalizedString("EnterPasswordFor", [username, displayHost]);
+        } else if (isCrossOrig) {
+            text = PromptUtils.getLocalizedString("EnterUserPasswordForCrossOrigin2", [displayHost]);
+        } else if (!realm) {
+            text = PromptUtils.getLocalizedString("EnterUserPasswordFor2", [displayHost]);
+        } else {
+            text = PromptUtils.getLocalizedString("EnterLoginForRealm3", [realm, displayHost]);
+        }
+
+        return text;
+    },
+
+    getTabModalPrompt : function (domWin) {
+        var promptBox = null;
+
+        try {
+            // Get the topmost window, in case we're in a frame.
+            var promptWin = domWin.top;
+
+            // Get the chrome window for the content window we're using.
+            // (Unwrap because we need a non-IDL property below.)
+            var chromeWin = promptWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                                     .getInterface(Ci.nsIWebNavigation)
+                                     .QueryInterface(Ci.nsIDocShell)
+                                     .chromeEventHandler.ownerDocument
+                                     .defaultView.wrappedJSObject;
+
+            if (chromeWin.getTabModalPromptBox)
+                promptBox = chromeWin.getTabModalPromptBox(promptWin);
+        } catch (e) {
+            // If any errors happen, just assume no tabmodal prompter.
+        }
+
+        return promptBox;
+    },
+};
+
+PromptUtils = PromptUtilsTemp;
+
+XPCOMUtils.defineLazyGetter(PromptUtils, "strBundle", function () {
+    let bunService = Cc["@mozilla.org/intl/stringbundle;1"].
+                     getService(Ci.nsIStringBundleService);
+    let bundle = bunService.createBundle("chrome://global/locale/commonDialogs.properties");
+    if (!bundle)
+        throw "String bundle for Prompter not present!";
+    return bundle;
+});
+
+XPCOMUtils.defineLazyGetter(PromptUtils, "ellipsis", function () {
+    let ellipsis = "\u2026";
+    try {
+        ellipsis = Services.prefs.getComplexValue("intl.ellipsis", Ci.nsIPrefLocalizedString).data;
+    } catch (e) { }
+    return ellipsis;
+});
+
+
+
+function openModalWindow(domWin, uri, args) {
+    // There's an implied contract that says modal prompts should still work
+    // when no "parent" window is passed for the dialog (eg, the "Master
+    // Password" dialog does this).  These prompts must be shown even if there
+    // are *no* visible windows at all.
+    // There's also a requirement for prompts to be blocked if a window is
+    // passed and that window is hidden (eg, auth prompts are supressed if the
+    // passed window is the hidden window).
+    // See bug 875157 comment 30 for more...
+    if (domWin) {
+        // a domWin was passed, so we can apply the check for it being hidden.
+        let winUtils = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                             .getInterface(Ci.nsIDOMWindowUtils);
+
+        if (winUtils && !winUtils.isParentWindowMainWidgetVisible) {
+            throw Components.Exception("Cannot call openModalWindow on a hidden window",
+                                       Cr.NS_ERROR_NOT_AVAILABLE);
+        }
+    } else {
+        // We try and find a window to use as the parent, but don't consider
+        // if that is visible before showing the prompt.
+        domWin = Services.ww.activeWindow;
+        // domWin may still be null here if there are _no_ windows open.
+    }
+    // Note that we don't need to fire DOMWillOpenModalDialog and
+    // DOMModalDialogClosed events here, wwatcher's OpenWindowInternal
+    // will do that. Similarly for enterModalState / leaveModalState.
+
+    Services.ww.openWindow(domWin, uri, "_blank", "centerscreen,chrome,modal,titlebar", args);
+}
+
+function openTabPrompt(domWin, tabPrompt, args) {
+    let docShell = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                         .getInterface(Ci.nsIDocShell);
+    let inPermitUnload = docShell.contentViewer && docShell.contentViewer.inPermitUnload;
+    let eventDetail = Cu.cloneInto({tabPrompt: true, inPermitUnload}, domWin);
+    PromptUtils.fireDialogEvent(domWin, "DOMWillOpenModalDialog", null, eventDetail);
+
+    let winUtils = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                         .getInterface(Ci.nsIDOMWindowUtils);
+    winUtils.enterModalState();
+
+    let frameMM = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
+                          .getInterface(Ci.nsIContentFrameMessageManager);
+    frameMM.QueryInterface(Ci.nsIDOMEventTarget);
+
+    // We provide a callback so the prompt can close itself. We don't want to
+    // wait for this event loop to return... Otherwise the presence of other
+    // prompts on the call stack would in this dialog appearing unresponsive
+    // until the other prompts had been closed.
+    let callbackInvoked = false;
+    let newPrompt;
+    function onPromptClose(forceCleanup) {
+        if (!newPrompt && !forceCleanup)
+            return;
+        callbackInvoked = true;
+        if (newPrompt)
+            tabPrompt.removePrompt(newPrompt);
+
+        frameMM.removeEventListener("pagehide", pagehide, true);
+
+        winUtils.leaveModalState();
+
+        PromptUtils.fireDialogEvent(domWin, "DOMModalDialogClosed");
+    }
+
+    frameMM.addEventListener("pagehide", pagehide, true);
+    function pagehide(e) {
+        // Check whether the event relates to our window or its ancestors
+        let window = domWin;
+        let eventWindow = e.target.defaultView;
+        while (window != eventWindow && window.parent != window) {
+          window = window.parent;
+        }
+        if (window != eventWindow) {
+          return;
+        }
+        frameMM.removeEventListener("pagehide", pagehide, true);
+
+        if (newPrompt) {
+            newPrompt.abortPrompt();
+        }
+    }
+
+    try {
+        let topPrincipal = domWin.top.document.nodePrincipal;
+        let promptPrincipal = domWin.document.nodePrincipal;
+        args.showAlertOrigin = topPrincipal.equals(promptPrincipal);
+        args.promptActive = true;
+
+        newPrompt = tabPrompt.appendPrompt(args, onPromptClose);
+
+        // TODO since we don't actually open a window, need to check if
+        // there's other stuff in nsWindowWatcher::OpenWindowInternal
+        // that we might need to do here as well.
+
+        let thread = Services.tm.currentThread;
+        while (args.promptActive)
+            thread.processNextEvent(true);
+        delete args.promptActive;
+
+        if (args.promptAborted)
+            throw Components.Exception("prompt aborted by user", Cr.NS_ERROR_NOT_AVAILABLE);
+    } finally {
+        // If the prompt unexpectedly failed to invoke the callback, do so here.
+        if (!callbackInvoked)
+            onPromptClose(true);
+    }
+}
+
+function openRemotePrompt(domWin, args, tabPrompt) {
+    let docShell = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                         .getInterface(Ci.nsIDocShell);
+    let messageManager = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
+                                 .getInterface(Ci.nsITabChild)
+                                 .messageManager;
+
+    let inPermitUnload = docShell.contentViewer && docShell.contentViewer.inPermitUnload;
+    let eventDetail = Cu.cloneInto({tabPrompt, inPermitUnload}, domWin);
+    PromptUtils.fireDialogEvent(domWin, "DOMWillOpenModalDialog", null, eventDetail);
+
+    let winUtils = domWin.QueryInterface(Ci.nsIInterfaceRequestor)
+                         .getInterface(Ci.nsIDOMWindowUtils);
+    winUtils.enterModalState();
+    let closed = false;
+
+    let frameMM = docShell.getInterface(Ci.nsIContentFrameMessageManager);
+    frameMM.QueryInterface(Ci.nsIDOMEventTarget);
+
+    // It should be hard or impossible to cause a window to create multiple
+    // prompts, but just in case, give our prompt an ID.
+    let id = "id" + Cc["@mozilla.org/uuid-generator;1"]
+                      .getService(Ci.nsIUUIDGenerator).generateUUID().toString();
+
+    messageManager.addMessageListener("Prompt:Close", function listener(message) {
+        if (message.data._remoteId !== id) {
+            return;
+        }
+
+        messageManager.removeMessageListener("Prompt:Close", listener);
+        frameMM.removeEventListener("pagehide", pagehide, true);
+
+        winUtils.leaveModalState();
+        PromptUtils.fireDialogEvent(domWin, "DOMModalDialogClosed");
+
+        // Copy the response from the closed prompt into our args, it will be
+        // read by our caller.
+        if (message.data) {
+            for (let key in message.data) {
+                args[key] = message.data[key];
+            }
+        }
+
+        // Exit our nested event loop when we unwind.
+        closed = true;
+    });
+
+    frameMM.addEventListener("pagehide", pagehide, true);
+    function pagehide(e) {
+        // Check whether the event relates to our window or its ancestors
+        let window = domWin;
+        let eventWindow = e.target.defaultView;
+        while (window != eventWindow && window.parent != window) {
+          window = window.parent;
+        }
+        if (window != eventWindow) {
+          return;
+        }
+        frameMM.removeEventListener("pagehide", pagehide, true);
+        messageManager.sendAsyncMessage("Prompt:ForceClose", { _remoteId: id });
+    }
+
+    let topPrincipal = domWin.top.document.nodePrincipal;
+    let promptPrincipal = domWin.document.nodePrincipal;
+    args.promptPrincipal = promptPrincipal;
+    args.showAlertOrigin = topPrincipal.equals(promptPrincipal);
+    args.inPermitUnload = inPermitUnload;
+
+    args._remoteId = id;
+
+    messageManager.sendAsyncMessage("Prompt:Open", args, {});
+
+    let thread = Services.tm.currentThread;
+    while (!closed) {
+        thread.processNextEvent(true);
+    }
+}
+
+function ModalPrompter(domWin) {
+    this.domWin = domWin;
+}
+ModalPrompter.prototype = {
+    domWin : null,
+    /*
+     * Default to not using a tab-modal prompt, unless the caller opts in by
+     * QIing to nsIWritablePropertyBag and setting the value of this property
+     * to true.
+     */
+    allowTabModal : false,
+
+    QueryInterface : XPCOMUtils.generateQI([Ci.nsIPrompt, Ci.nsIAuthPrompt,
+                                            Ci.nsIAuthPrompt2,
+                                            Ci.nsIWritablePropertyBag2]),
+
+
+    /* ---------- internal methods ---------- */
+
+
+    openPrompt : function (args) {
+        // Check pref, if false/missing do not ever allow tab-modal prompts.
+        const prefName = "prompts.tab_modal.enabled";
+        let prefValue = false;
+        if (Services.prefs.getPrefType(prefName) == Services.prefs.PREF_BOOL)
+            prefValue = Services.prefs.getBoolPref(prefName);
+
+        let allowTabModal = this.allowTabModal && prefValue;
+
+        if (allowTabModal && this.domWin) {
+            if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
+                openRemotePrompt(this.domWin, args, true);
+                return;
+            }
+
+            let tabPrompt = PromptUtils.getTabModalPrompt(this.domWin);
+            if (tabPrompt) {
+                openTabPrompt(this.domWin, tabPrompt, args);
+                return;
+            }
+        }
+
+        // If we can't do a tab modal prompt, fallback to using a window-modal dialog.
+        const COMMON_DIALOG = "chrome://global/content/commonDialog.xul";
+        const SELECT_DIALOG = "chrome://global/content/selectDialog.xul";
+
+        let uri = (args.promptType == "select") ? SELECT_DIALOG : COMMON_DIALOG;
+
+        if (Services.appinfo.processType === Services.appinfo.PROCESS_TYPE_CONTENT) {
+            args.uri = uri;
+            openRemotePrompt(this.domWin, args);
+            return;
+        }
+
+        let propBag = PromptUtils.objectToPropBag(args);
+        openModalWindow(this.domWin, uri, propBag);
+        PromptUtils.propBagToObject(propBag, args);
+    },
+
+
+
+    /*
+     * ---------- interface disambiguation ----------
+     *
+     * nsIPrompt and nsIAuthPrompt share 3 method names with slightly
+     * different arguments. All but prompt() have the same number of
+     * arguments, so look at the arg types to figure out how we're being
+     * called. :-(
+     */
+    prompt : function() {
+        // also, the nsIPrompt flavor has 5 args instead of 6.
+        if (typeof arguments[2] == "object")
+            return this.nsIPrompt_prompt.apply(this, arguments);
+        return this.nsIAuthPrompt_prompt.apply(this, arguments);
+    },
+
+    promptUsernameAndPassword : function() {
+        // Both have 6 args, so use types.
+        if (typeof arguments[2] == "object")
+            return this.nsIPrompt_promptUsernameAndPassword.apply(this, arguments);
+        return this.nsIAuthPrompt_promptUsernameAndPassword.apply(this, arguments);
+    },
+
+    promptPassword : function() {
+        // Both have 5 args, so use types.
+        if (typeof arguments[2] == "object")
+            return this.nsIPrompt_promptPassword.apply(this, arguments);
+        return this.nsIAuthPrompt_promptPassword.apply(this, arguments);
+    },
+
+
+    /* ----------  nsIPrompt  ---------- */
+
+
+    alert : function (title, text) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Alert");
+
+        let args = {
+            promptType: "alert",
+            title:      title,
+            text:       text,
+        };
+
+        this.openPrompt(args);
+    },
+
+    alertCheck : function (title, text, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Alert");
+
+        let args = {
+            promptType: "alertCheck",
+            title:      title,
+            text:       text,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+        };
+
+        this.openPrompt(args);
+
+        // Checkbox state always returned, even if cancel clicked.
+        checkValue.value = args.checked;
+    },
+
+    confirm : function (title, text) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Confirm");
+
+        let args = {
+            promptType: "confirm",
+            title:      title,
+            text:       text,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        return args.ok;
+    },
+
+    confirmCheck : function (title, text, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("ConfirmCheck");
+
+        let args = {
+            promptType: "confirmCheck",
+            title:      title,
+            text:       text,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Checkbox state always returned, even if cancel clicked.
+        checkValue.value = args.checked;
+
+        // Did user click Ok or Cancel?
+        return args.ok;
+    },
+
+    confirmEx : function (title, text, flags, button0, button1, button2,
+                          checkLabel, checkValue) {
+
+        if (!title)
+            title = PromptUtils.getLocalizedString("Confirm");
+
+        let args = {
+            promptType:  "confirmEx",
+            title:       title,
+            text:        text,
+            checkLabel:  checkLabel,
+            checked:     checkValue.value,
+            ok:          false,
+            buttonNumClicked: 1,
+        };
+
+        let [label0, label1, label2, defaultButtonNum, isDelayEnabled] =
+            PromptUtils.confirmExHelper(flags, button0, button1, button2);
+
+        args.defaultButtonNum = defaultButtonNum;
+        args.enableDelay = isDelayEnabled;
+
+        if (label0) {
+            args.button0Label = label0;
+            if (label1) {
+                args.button1Label = label1;
+                if (label2) {
+                    args.button2Label = label2;
+                }
+            }
+        }
+
+        this.openPrompt(args);
+
+        // Checkbox state always returned, even if cancel clicked.
+        checkValue.value = args.checked;
+
+        // Get the number of the button the user clicked.
+        return args.buttonNumClicked;
+    },
+
+    nsIPrompt_prompt : function (title, text, value, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Prompt");
+
+        let args = {
+            promptType: "prompt",
+            title:      title,
+            text:       text,
+            value:      value.value,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        let ok  = args.ok;
+        if (ok) {
+            checkValue.value = args.checked;
+            value.value      = args.value;
+        }
+
+        return ok;
+    },
+
+    nsIPrompt_promptUsernameAndPassword : function (title, text, user, pass, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("PromptUsernameAndPassword2");
+
+        let args = {
+            promptType: "promptUserAndPass",
+            title:      title,
+            text:       text,
+            user:       user.value,
+            pass:       pass.value,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        let ok  = args.ok;
+        if (ok) {
+            checkValue.value = args.checked;
+            user.value       = args.user;
+            pass.value       = args.pass;
+        }
+
+        return ok;
+    },
+
+    nsIPrompt_promptPassword : function (title, text, pass, checkLabel, checkValue) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("PromptPassword2");
+
+        let args = {
+            promptType: "promptPassword",
+            title:      title,
+            text:       text,
+            pass:       pass.value,
+            checkLabel: checkLabel,
+            checked:    checkValue.value,
+            ok:         false,
+        }
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        let ok  = args.ok;
+        if (ok) {
+            checkValue.value = args.checked;
+            pass.value       = args.pass;
+        }
+
+        return ok;
+    },
+
+    select : function (title, text, count, list, selected) {
+        if (!title)
+            title = PromptUtils.getLocalizedString("Select");
+
+        let args = {
+            promptType: "select",
+            title:      title,
+            text:       text,
+            list:       list,
+            selected:   -1,
+            ok:         false,
+        };
+
+        this.openPrompt(args);
+
+        // Did user click Ok or Cancel?
+        let ok  = args.ok;
+        if (ok)
+            selected.value = args.selected;
+
+        return ok;
+    },
+
+
+    /* ----------  nsIAuthPrompt  ---------- */
+
+
+    nsIAuthPrompt_prompt : function (title, text, passwordRealm, savePassword, defaultText, result) {
+        // The passwordRealm and savePassword args were ignored by nsPrompt.cpp
+        if (defaultText)
+            result.value = defaultText;
+        return this.nsIPrompt_prompt(title, text, result, null, {});
+    },
+
+    nsIAuthPrompt_promptUsernameAndPassword : function (title, text, passwordRealm, savePassword, user, pass) {
+        // The passwordRealm and savePassword args were ignored by nsPrompt.cpp
+        return this.nsIPrompt_promptUsernameAndPassword(title, text, user, pass, null, {});
+    },
+
+    nsIAuthPrompt_promptPassword : function (title, text, passwordRealm, savePassword, pass) {
+        // The passwordRealm and savePassword args were ignored by nsPrompt.cpp
+        return this.nsIPrompt_promptPassword(title, text, pass, null, {});
+    },
+
+
+    /* ----------  nsIAuthPrompt2  ---------- */
+
+
+    promptAuth : function (channel, level, authInfo, checkLabel, checkValue) {
+        let message = PromptUtils.makeAuthMessage(channel, authInfo);
+
+        let [username, password] = PromptUtils.getAuthInfo(authInfo);
+
+        let userParam = { value: username };
+        let passParam = { value: password };
+
+        let ok;
+        if (authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD)
+            ok = this.nsIPrompt_promptPassword(null, message, passParam, checkLabel, checkValue);
+        else
+            ok = this.nsIPrompt_promptUsernameAndPassword(null, message, userParam, passParam, checkLabel, checkValue);
+
+        if (ok)
+            PromptUtils.setAuthInfo(authInfo, userParam.value, passParam.value);
+        return ok;
+    },
+
+    asyncPromptAuth : function (channel, callback, context, level, authInfo, checkLabel, checkValue) {
+        // Nothing calls this directly; netwerk ends up going through
+        // nsIPromptService::GetPrompt, which delegates to login manager.
+        // Login manger handles the async bits itself, and only calls out
+        // promptAuth, never asyncPromptAuth.
+        //
+        // Bug 565582 will change this.
+        throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+    },
+
+    /* ----------  nsIWritablePropertyBag2 ---------- */
+
+    // Only a partial implementation, for one specific use case...
+
+    setPropertyAsBool : function(name, value) {
+        if (name == "allowTabModal")
+            this.allowTabModal = value;
+        else
+            throw Cr.NS_ERROR_ILLEGAL_VALUE;
+    },
+};
+
+
+function AuthPromptAdapterFactory() {
+}
+AuthPromptAdapterFactory.prototype = {
+    classID          : Components.ID("{6e134924-6c3a-4d86-81ac-69432dd971dc}"),
+    QueryInterface   : XPCOMUtils.generateQI([Ci.nsIAuthPromptAdapterFactory]),
+
+    /* ----------  nsIAuthPromptAdapterFactory ---------- */
+
+    createAdapter : function (oldPrompter) {
+        return new AuthPromptAdapter(oldPrompter);
+    }
+};
+
+
+// Takes an nsIAuthPrompt implementation, wraps it with a nsIAuthPrompt2 shell.
+function AuthPromptAdapter(oldPrompter) {
+    this.oldPrompter = oldPrompter;
+}
+AuthPromptAdapter.prototype = {
+    QueryInterface : XPCOMUtils.generateQI([Ci.nsIAuthPrompt2]),
+    oldPrompter    : null,
+
+    /* ----------  nsIAuthPrompt2 ---------- */
+
+    promptAuth : function (channel, level, authInfo, checkLabel, checkValue) {
+        let message = PromptUtils.makeAuthMessage(channel, authInfo);
+
+        let [username, password] = PromptUtils.getAuthInfo(authInfo);
+        let userParam = { value: username };
+        let passParam = { value: password };
+
+        let [host, realm]  = PromptUtils.getAuthTarget(channel, authInfo);
+        let authTarget = host + " (" + realm + ")";
+
+        let ok;
+        if (authInfo.flags & Ci.nsIAuthInformation.ONLY_PASSWORD)
+            ok = this.oldPrompter.promptPassword(null, message, authTarget, Ci.nsIAuthPrompt.SAVE_PASSWORD_PERMANENTLY, passParam);
+        else
+            ok = this.oldPrompter.promptUsernameAndPassword(null, message, authTarget, Ci.nsIAuthPrompt.SAVE_PASSWORD_PERMANENTLY, userParam, passParam);
+
+        if (ok)
+            PromptUtils.setAuthInfo(authInfo, userParam.value, passParam.value);
+        return ok;
+    },
+
+    asyncPromptAuth : function (channel, callback, context, level, authInfo, checkLabel, checkValue) {
+        throw Cr.NS_ERROR_NOT_IMPLEMENTED;
+    }
+};
+
+
+// Wrapper using the old embedding contractID, since it's already common in
+// the addon ecosystem.
+function EmbedPrompter() {
+}
+EmbedPrompter.prototype = new Prompter();
+EmbedPrompter.prototype.classID          = Components.ID("{7ad1b327-6dfa-46ec-9234-f2a620ea7e00}");
+
+var component = [Prompter, EmbedPrompter, AuthPromptAdapterFactory];
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory(component);
diff --git a/toolkit/components/prompts/src/nsPrompter.manifest b/toolkit/components/prompts/src/nsPrompter.manifest
new file mode 100644
index 000000000..582f6bf59
--- /dev/null
+++ b/toolkit/components/prompts/src/nsPrompter.manifest
@@ -0,0 +1,6 @@
+component {1c978d25-b37f-43a8-a2d6-0c7a239ead87} nsPrompter.js
+contract @mozilla.org/prompter;1 {1c978d25-b37f-43a8-a2d6-0c7a239ead87}
+component {6e134924-6c3a-4d86-81ac-69432dd971dc} nsPrompter.js
+contract @mozilla.org/network/authprompt-adapter-factory;1 {6e134924-6c3a-4d86-81ac-69432dd971dc}
+component {7ad1b327-6dfa-46ec-9234-f2a620ea7e00} nsPrompter.js
+contract @mozilla.org/embedcomp/prompt-service;1 {7ad1b327-6dfa-46ec-9234-f2a620ea7e00}