/* 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/. */

const {XPCOMUtils} = ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm");
const {Services} = ChromeUtils.import("resource://gre/modules/Services.jsm");

ChromeUtils.defineModuleGetter(this, "AddonManager", "resource://gre/modules/AddonManager.jsm");

// -----------------------------------------------------------------------
// Web Install Prompt service
// -----------------------------------------------------------------------

function WebInstallPrompt() { }

WebInstallPrompt.prototype = {
  classID: Components.ID("{c1242012-27d8-477e-a0f1-0b098ffc329b}"),
  QueryInterface: ChromeUtils.generateQI([Ci.amIWebInstallPrompt]),

  confirm: function(aBrowser, aURL, aInstalls) {
    let bundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");

    let prompt = Services.prompt;
    let flags = prompt.BUTTON_POS_0 * prompt.BUTTON_TITLE_IS_STRING + prompt.BUTTON_POS_1 * prompt.BUTTON_TITLE_CANCEL;
    let title = bundle.GetStringFromName("addonsConfirmInstall.title");
    let button = bundle.GetStringFromName("addonsConfirmInstall.install");

    aInstalls.forEach(function(install) {
      let message;
      if (install.addon.signedState <= AddonManager.SIGNEDSTATE_MISSING) {
        title = bundle.GetStringFromName("addonsConfirmInstallUnsigned.title");
        message = bundle.GetStringFromName("addonsConfirmInstallUnsigned.message") + "\n\n" + install.name;
      } else {
        message = install.name;
      }

      let result = (prompt.confirmEx(aBrowser.contentWindow, title, message, flags, button, null, null, null, {value: false}) == 0);
      if (result)
        install.install();
      else
        install.cancel();
    });
  },
};

this.NSGetFactory = XPCOMUtils.generateNSGetFactory([WebInstallPrompt]);