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: module.metadata = {
michael@0:   "stability": "experimental"
michael@0: };
michael@0: 
michael@0: const { Cc, Ci, Cu } = require("chrome");
michael@0: const { AddonManager } = Cu.import("resource://gre/modules/AddonManager.jsm");
michael@0: const { defer } = require("../core/promise");
michael@0: const { setTimeout } = require("../timers");
michael@0: 
michael@0: /**
michael@0:  * `install` method error codes:
michael@0:  *
michael@0:  * https://developer.mozilla.org/en/Addons/Add-on_Manager/AddonManager#AddonInstall_errors
michael@0:  */
michael@0: exports.ERROR_NETWORK_FAILURE = AddonManager.ERROR_NETWORK_FAILURE;
michael@0: exports.ERROR_INCORRECT_HASH = AddonManager.ERROR_INCORRECT_HASH;
michael@0: exports.ERROR_CORRUPT_FILE = AddonManager.ERROR_CORRUPT_FILE;
michael@0: exports.ERROR_FILE_ACCESS = AddonManager.ERROR_FILE_ACCESS;
michael@0: 
michael@0: /**
michael@0:  * Immediatly install an addon.
michael@0:  *
michael@0:  * @param {String} xpiPath
michael@0:  *   file path to an xpi file to install
michael@0:  * @return {Promise}
michael@0:  *   A promise resolved when the addon is finally installed.
michael@0:  *   Resolved with addon id as value or rejected with an error code.
michael@0:  */
michael@0: exports.install = function install(xpiPath) {
michael@0:   let { promise, resolve, reject } = defer();
michael@0: 
michael@0:   // Create nsIFile for the xpi file
michael@0:   let file = Cc['@mozilla.org/file/local;1'].createInstance(Ci.nsILocalFile);
michael@0:   try {
michael@0:     file.initWithPath(xpiPath);
michael@0:   }
michael@0:   catch(e) {
michael@0:     reject(exports.ERROR_FILE_ACCESS);
michael@0:     return promise;
michael@0:   }
michael@0: 
michael@0:   // Listen for installation end
michael@0:   let listener = {
michael@0:     onInstallEnded: function(aInstall, aAddon) {
michael@0:       aInstall.removeListener(listener);
michael@0:       // Bug 749745: on FF14+, onInstallEnded is called just before `startup()`
michael@0:       // is called, but we expect to resolve the promise only after it.
michael@0:       // As startup is called synchronously just after onInstallEnded,
michael@0:       // a simple setTimeout(0) is enough
michael@0:       setTimeout(resolve, 0, aAddon.id);
michael@0:     },
michael@0:     onInstallFailed: function (aInstall) {
michael@0:       console.log("failed");
michael@0:       aInstall.removeListener(listener);
michael@0:       reject(aInstall.error);
michael@0:     },
michael@0:     onDownloadFailed: function(aInstall) {
michael@0:       this.onInstallFailed(aInstall);
michael@0:     }
michael@0:   };
michael@0: 
michael@0:   // Order AddonManager to install the addon
michael@0:   AddonManager.getInstallForFile(file, function(install) {
michael@0:     if (install.error != null) {
michael@0:       install.addListener(listener);
michael@0:       install.install();
michael@0:     } else {
michael@0:       reject(install.error);
michael@0:     }
michael@0:   });
michael@0: 
michael@0:   return promise;
michael@0: };
michael@0: 
michael@0: exports.uninstall = function uninstall(addonId) {
michael@0:   let { promise, resolve, reject } = defer();
michael@0: 
michael@0:   // Listen for uninstallation end
michael@0:   let listener = {
michael@0:     onUninstalled: function onUninstalled(aAddon) {
michael@0:       if (aAddon.id != addonId)
michael@0:         return;
michael@0:       AddonManager.removeAddonListener(listener);
michael@0:       resolve();
michael@0:     }
michael@0:   };
michael@0:   AddonManager.addAddonListener(listener);
michael@0: 
michael@0:   // Order Addonmanager to uninstall the addon
michael@0:   getAddon(addonId).then(addon => addon.uninstall(), reject);
michael@0: 
michael@0:   return promise;
michael@0: };
michael@0: 
michael@0: exports.disable = function disable(addonId) {
michael@0:   return getAddon(addonId).then(addon => {
michael@0:     addon.userDisabled = true;
michael@0:     return addonId;
michael@0:   });
michael@0: };
michael@0: 
michael@0: exports.enable = function enabled(addonId) {
michael@0:   return getAddon(addonId).then(addon => {
michael@0:     addon.userDisabled = false;
michael@0:     return addonId;
michael@0:   });
michael@0: };
michael@0: 
michael@0: exports.isActive = function isActive(addonId) {
michael@0:   return getAddon(addonId).then(addon => addon.isActive && !addon.appDisabled);
michael@0: };
michael@0: 
michael@0: function getAddon (id) {
michael@0:   let { promise, resolve, reject } = defer();
michael@0:   AddonManager.getAddonByID(id, addon => addon ? resolve(addon) : reject());
michael@0:   return promise;
michael@0: }