1 files changed, 121 insertions, 0 deletions
diff --git a/toolkit/jetpack/sdk/addon/installer.js b/toolkit/jetpack/sdk/addon/installer.js
new file mode 100644
index 000000000..bb8cf8d16
--- /dev/null
+++ b/toolkit/jetpack/sdk/addon/installer.js
@@ -0,0 +1,121 @@
+/* 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/. */
+
+module.metadata = {
+  "stability": "experimental"
+};
+
+const { Cc, Ci, Cu } = require("chrome");
+const { AddonManager } = Cu.import("resource://gre/modules/AddonManager.jsm");
+const { defer } = require("../core/promise");
+const { setTimeout } = require("../timers");
+
+/**
+ * `install` method error codes:
+ *
+ * https://developer.mozilla.org/en/Addons/Add-on_Manager/AddonManager#AddonInstall_errors
+ */
+exports.ERROR_NETWORK_FAILURE = AddonManager.ERROR_NETWORK_FAILURE;
+exports.ERROR_INCORRECT_HASH = AddonManager.ERROR_INCORRECT_HASH;
+exports.ERROR_CORRUPT_FILE = AddonManager.ERROR_CORRUPT_FILE;
+exports.ERROR_FILE_ACCESS = AddonManager.ERROR_FILE_ACCESS;
+
+/**
+ * Immediatly install an addon.
+ *
+ * @param {String} xpiPath
+ *   file path to an xpi file to install
+ * @return {Promise}
+ *   A promise resolved when the addon is finally installed.
+ *   Resolved with addon id as value or rejected with an error code.
+ */
+exports.install = function install(xpiPath) {
+  let { promise, resolve, reject } = defer();
+
+  // Create nsIFile for the xpi file
+  let file = Cc['@mozilla.org/file/local;1'].createInstance(Ci.nsILocalFile);
+  try {
+    file.initWithPath(xpiPath);
+  }
+  catch(e) {
+    reject(exports.ERROR_FILE_ACCESS);
+    return promise;
+  }
+
+  // Listen for installation end
+  let listener = {
+    onInstallEnded: function(aInstall, aAddon) {
+      aInstall.removeListener(listener);
+      // Bug 749745: on FF14+, onInstallEnded is called just before `startup()`
+      // is called, but we expect to resolve the promise only after it.
+      // As startup is called synchronously just after onInstallEnded,
+      // a simple setTimeout(0) is enough
+      setTimeout(resolve, 0, aAddon.id);
+    },
+    onInstallFailed: function (aInstall) {
+      aInstall.removeListener(listener);
+      reject(aInstall.error);
+    },
+    onDownloadFailed: function(aInstall) {
+      this.onInstallFailed(aInstall);
+    }
+  };
+
+  // Order AddonManager to install the addon
+  AddonManager.getInstallForFile(file, function(install) {
+    if (install.error == 0) {
+      install.addListener(listener);
+      install.install();
+    } else {
+      reject(install.error);
+    }
+  });
+
+  return promise;
+};
+
+exports.uninstall = function uninstall(addonId) {
+  let { promise, resolve, reject } = defer();
+
+  // Listen for uninstallation end
+  let listener = {
+    onUninstalled: function onUninstalled(aAddon) {
+      if (aAddon.id != addonId)
+        return;
+      AddonManager.removeAddonListener(listener);
+      resolve();
+    }
+  };
+  AddonManager.addAddonListener(listener);
+
+  // Order Addonmanager to uninstall the addon
+  getAddon(addonId).then(addon => addon.uninstall(), reject);
+
+  return promise;
+};
+
+exports.disable = function disable(addonId) {
+  return getAddon(addonId).then(addon => {
+    addon.userDisabled = true;
+    return addonId;
+  });
+};
+
+exports.enable = function enabled(addonId) {
+  return getAddon(addonId).then(addon => {
+    addon.userDisabled = false;
+    return addonId;
+  });
+};
+
+exports.isActive = function isActive(addonId) {
+  return getAddon(addonId).then(addon => addon.isActive && !addon.appDisabled);
+};
+
+const getAddon = function getAddon (id) {
+  let { promise, resolve, reject } = defer();
+  AddonManager.getAddonByID(id, addon => addon ? resolve(addon) : reject());
+  return promise;
+}
+exports.getAddon = getAddon;