michael@0: // -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0: 
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: var XPInstallConfirm = {};
michael@0: 
michael@0: XPInstallConfirm.init = function XPInstallConfirm_init()
michael@0: {
michael@0:   var _installCountdown;
michael@0:   var _installCountdownInterval;
michael@0:   var _focused;
michael@0:   var _timeout;
michael@0: 
michael@0:   // Default to cancelling the install when the window unloads
michael@0:   XPInstallConfirm._installOK = false;
michael@0: 
michael@0:   var bundle = document.getElementById("xpinstallConfirmStrings");
michael@0: 
michael@0:   let args = window.arguments[0].wrappedJSObject;
michael@0: 
michael@0:   var _installCountdownLength = 5;
michael@0:   try {
michael@0:     var prefs = Components.classes["@mozilla.org/preferences-service;1"]
michael@0:                           .getService(Components.interfaces.nsIPrefBranch);
michael@0:     var delay_in_milliseconds = prefs.getIntPref("security.dialog_enable_delay");
michael@0:     _installCountdownLength = Math.round(delay_in_milliseconds / 500);
michael@0:   } catch (ex) { }
michael@0:   
michael@0:   var itemList = document.getElementById("itemList");
michael@0:   
michael@0:   var numItemsToInstall = args.installs.length;
michael@0:   for (let install of args.installs) {
michael@0:     var installItem = document.createElement("installitem");
michael@0:     itemList.appendChild(installItem);
michael@0: 
michael@0:     installItem.name = install.addon.name;
michael@0:     installItem.url = install.sourceURI.spec;
michael@0:     var icon = install.iconURL;
michael@0:     if (icon)
michael@0:       installItem.icon = icon;
michael@0:     var type = install.type;
michael@0:     if (type)
michael@0:       installItem.type = type;
michael@0:     if (install.certName) {
michael@0:       installItem.cert = bundle.getFormattedString("signed", [install.certName]);
michael@0:     }
michael@0:     else {
michael@0:       installItem.cert = bundle.getString("unverified");
michael@0:     }
michael@0:     installItem.signed = install.certName ? "true" : "false";
michael@0:   }
michael@0:   
michael@0:   var introString = bundle.getString("itemWarnIntroSingle");
michael@0:   if (numItemsToInstall > 4)
michael@0:     introString = bundle.getFormattedString("itemWarnIntroMultiple", [numItemsToInstall]);
michael@0:   var textNode = document.createTextNode(introString);
michael@0:   var introNode = document.getElementById("itemWarningIntro");
michael@0:   while (introNode.hasChildNodes())
michael@0:     introNode.removeChild(introNode.firstChild);
michael@0:   introNode.appendChild(textNode);
michael@0:   
michael@0:   var okButton = document.documentElement.getButton("accept");
michael@0:   okButton.focus();
michael@0: 
michael@0:   function okButtonCountdown() {
michael@0:     _installCountdown -= 1;
michael@0: 
michael@0:     if (_installCountdown < 1) {
michael@0:       okButton.label = bundle.getString("installButtonLabel");
michael@0:       okButton.disabled = false;
michael@0:       clearInterval(_installCountdownInterval);
michael@0:     }
michael@0:     else
michael@0:       okButton.label = bundle.getFormattedString("installButtonDisabledLabel", [_installCountdown]);
michael@0:   }
michael@0: 
michael@0:   function myfocus() {
michael@0:     // Clear the timeout if it exists so only the last one will be used.
michael@0:     if (_timeout)
michael@0:       clearTimeout(_timeout);
michael@0: 
michael@0:     // Use setTimeout since the last focus or blur event to fire is the one we
michael@0:     // want
michael@0:     _timeout = setTimeout(setWidgetsAfterFocus, 0);
michael@0:   }
michael@0: 
michael@0:   function setWidgetsAfterFocus() {
michael@0:     if (_focused)
michael@0:       return;
michael@0: 
michael@0:     _installCountdown = _installCountdownLength;
michael@0:     _installCountdownInterval = setInterval(okButtonCountdown, 500);
michael@0:     okButton.label = bundle.getFormattedString("installButtonDisabledLabel", [_installCountdown]);
michael@0:     _focused = true;
michael@0:   }
michael@0: 
michael@0:   function myblur() {
michael@0:     // Clear the timeout if it exists so only the last one will be used.
michael@0:     if (_timeout)
michael@0:       clearTimeout(_timeout);
michael@0: 
michael@0:     // Use setTimeout since the last focus or blur event to fire is the one we
michael@0:     // want
michael@0:     _timeout = setTimeout(setWidgetsAfterBlur, 0);
michael@0:   }
michael@0: 
michael@0:   function setWidgetsAfterBlur() {
michael@0:     if (!_focused)
michael@0:       return;
michael@0: 
michael@0:     // Set _installCountdown to the inital value set in setWidgetsAfterFocus
michael@0:     // plus 1 so when the window is focused there is immediate ui feedback.
michael@0:     _installCountdown = _installCountdownLength + 1;
michael@0:     okButton.label = bundle.getFormattedString("installButtonDisabledLabel", [_installCountdown]);
michael@0:     okButton.disabled = true;
michael@0:     clearInterval(_installCountdownInterval);
michael@0:     _focused = false;
michael@0:   }
michael@0: 
michael@0:   function myUnload() {
michael@0:     if (_installCountdownLength > 0) {
michael@0:       document.removeEventListener("focus", myfocus, true);
michael@0:       document.removeEventListener("blur", myblur, true);
michael@0:     }
michael@0:     window.removeEventListener("unload", myUnload, false);
michael@0: 
michael@0:     // Now perform the desired action - either install the
michael@0:     // addons or cancel the installations
michael@0:     if (XPInstallConfirm._installOK) {
michael@0:       for (let install of args.installs)
michael@0:         install.install();
michael@0:     }
michael@0:     else {
michael@0:       for (let install of args.installs)
michael@0:         install.cancel();
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   window.addEventListener("unload", myUnload, false);
michael@0: 
michael@0:   if (_installCountdownLength > 0) {
michael@0:     document.addEventListener("focus", myfocus, true);
michael@0:     document.addEventListener("blur", myblur, true);
michael@0: 
michael@0:     okButton.disabled = true;
michael@0:     setWidgetsAfterFocus();
michael@0:   }
michael@0:   else
michael@0:     okButton.label = bundle.getString("installButtonLabel");
michael@0: }
michael@0: 
michael@0: XPInstallConfirm.onOK = function XPInstallConfirm_onOk()
michael@0: {
michael@0:   Components.classes["@mozilla.org/base/telemetry;1"].
michael@0:     getService(Components.interfaces.nsITelemetry).
michael@0:     getHistogramById("SECURITY_UI").
michael@0:     add(Components.interfaces.nsISecurityUITelemetry.WARNING_CONFIRM_ADDON_INSTALL_CLICK_THROUGH);
michael@0:   // Perform the install or cancel after the window has unloaded
michael@0:   XPInstallConfirm._installOK = true;
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: XPInstallConfirm.onCancel = function XPInstallConfirm_onCancel()
michael@0: {
michael@0:   // Perform the install or cancel after the window has unloaded
michael@0:   XPInstallConfirm._installOK = false;
michael@0:   return true;
michael@0: }