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 // -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 /* 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/. */

 var XPInstallConfirm = {};

 XPInstallConfirm.init = function XPInstallConfirm_init()

 {

   var _installCountdown;

   var _installCountdownInterval;

   var _focused;

   var _timeout;

   // Default to cancelling the install when the window unloads

   XPInstallConfirm._installOK = false;

   var bundle = document.getElementById("xpinstallConfirmStrings");

   let args = window.arguments[0].wrappedJSObject;

   var _installCountdownLength = 5;

   try {

     var prefs = Components.classes["@mozilla.org/preferences-service;1"]

                           .getService(Components.interfaces.nsIPrefBranch);

     var delay_in_milliseconds = prefs.getIntPref("security.dialog_enable_delay");

     _installCountdownLength = Math.round(delay_in_milliseconds / 500);

   } catch (ex) { }

   var itemList = document.getElementById("itemList");

   var numItemsToInstall = args.installs.length;

   for (let install of args.installs) {

     var installItem = document.createElement("installitem");

     itemList.appendChild(installItem);

     installItem.name = install.addon.name;

     installItem.url = install.sourceURI.spec;

     var icon = install.iconURL;

     if (icon)

       installItem.icon = icon;

     var type = install.type;

     if (type)

       installItem.type = type;

     if (install.certName) {

       installItem.cert = bundle.getFormattedString("signed", [install.certName]);

     }

     else {

       installItem.cert = bundle.getString("unverified");

     }

     installItem.signed = install.certName ? "true" : "false";

   }

   var introString = bundle.getString("itemWarnIntroSingle");

   if (numItemsToInstall > 4)

     introString = bundle.getFormattedString("itemWarnIntroMultiple", [numItemsToInstall]);

   var textNode = document.createTextNode(introString);

   var introNode = document.getElementById("itemWarningIntro");

   while (introNode.hasChildNodes())

     introNode.removeChild(introNode.firstChild);

   introNode.appendChild(textNode);

   var okButton = document.documentElement.getButton("accept");

   okButton.focus();

   function okButtonCountdown() {

     _installCountdown -= 1;

     if (_installCountdown < 1) {

       okButton.label = bundle.getString("installButtonLabel");

       okButton.disabled = false;

       clearInterval(_installCountdownInterval);

     }

     else

       okButton.label = bundle.getFormattedString("installButtonDisabledLabel", [_installCountdown]);

   }

   function myfocus() {

     // Clear the timeout if it exists so only the last one will be used.

     if (_timeout)

       clearTimeout(_timeout);

     // Use setTimeout since the last focus or blur event to fire is the one we

     // want

     _timeout = setTimeout(setWidgetsAfterFocus, 0);

   }

   function setWidgetsAfterFocus() {

     if (_focused)

       return;

     _installCountdown = _installCountdownLength;

     _installCountdownInterval = setInterval(okButtonCountdown, 500);

     okButton.label = bundle.getFormattedString("installButtonDisabledLabel", [_installCountdown]);

     _focused = true;

   }

   function myblur() {

     // Clear the timeout if it exists so only the last one will be used.

     if (_timeout)

       clearTimeout(_timeout);

     // Use setTimeout since the last focus or blur event to fire is the one we

     // want

     _timeout = setTimeout(setWidgetsAfterBlur, 0);

   }

   function setWidgetsAfterBlur() {

     if (!_focused)

       return;

     // Set _installCountdown to the inital value set in setWidgetsAfterFocus

     // plus 1 so when the window is focused there is immediate ui feedback.

     _installCountdown = _installCountdownLength + 1;

     okButton.label = bundle.getFormattedString("installButtonDisabledLabel", [_installCountdown]);

     okButton.disabled = true;

     clearInterval(_installCountdownInterval);

     _focused = false;

   }

   function myUnload() {

     if (_installCountdownLength > 0) {

       document.removeEventListener("focus", myfocus, true);

       document.removeEventListener("blur", myblur, true);

     }

     window.removeEventListener("unload", myUnload, false);

     // Now perform the desired action - either install the

     // addons or cancel the installations

     if (XPInstallConfirm._installOK) {

       for (let install of args.installs)

         install.install();

     }

     else {

       for (let install of args.installs)

         install.cancel();

     }

   }

   window.addEventListener("unload", myUnload, false);

   if (_installCountdownLength > 0) {

     document.addEventListener("focus", myfocus, true);

     document.addEventListener("blur", myblur, true);

     okButton.disabled = true;

     setWidgetsAfterFocus();

   }

   else

     okButton.label = bundle.getString("installButtonLabel");

 }

 XPInstallConfirm.onOK = function XPInstallConfirm_onOk()

 {

   Components.classes["@mozilla.org/base/telemetry;1"].

     getService(Components.interfaces.nsITelemetry).

     getHistogramById("SECURITY_UI").

     add(Components.interfaces.nsISecurityUITelemetry.WARNING_CONFIRM_ADDON_INSTALL_CLICK_THROUGH);

   // Perform the install or cancel after the window has unloaded

   XPInstallConfirm._installOK = true;

   return true;

 }

 XPInstallConfirm.onCancel = function XPInstallConfirm_onCancel()

 {

   // Perform the install or cancel after the window has unloaded

   XPInstallConfirm._installOK = false;

   return true;

 }