6 files changed, 192 insertions, 0 deletions
diff --git a/browser/components/selfsupport/SelfSupportService.js b/browser/components/selfsupport/SelfSupportService.js
new file mode 100644
index 000000000..26148c6ff
--- /dev/null
+++ b/browser/components/selfsupport/SelfSupportService.js
@@ -0,0 +1,78 @@
+/* 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/. */
+
+"use strict";
+
+const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/Preferences.jsm");
+
+const PREF_FHR_UPLOAD_ENABLED = "datareporting.healthreport.uploadEnabled";
+
+XPCOMUtils.defineLazyModuleGetter(this, "TelemetryArchive",
+                                  "resource://gre/modules/TelemetryArchive.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "TelemetryEnvironment",
+                                  "resource://gre/modules/TelemetryEnvironment.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "TelemetryController",
+                                  "resource://gre/modules/TelemetryController.jsm");
+
+function MozSelfSupportInterface() {
+}
+
+MozSelfSupportInterface.prototype = {
+  classDescription: "MozSelfSupport",
+  classID: Components.ID("{d30aae8b-f352-4de3-b936-bb9d875df0bb}"),
+  contractID: "@mozilla.org/mozselfsupport;1",
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMGlobalPropertyInitializer]),
+
+  _window: null,
+
+  init: function (window) {
+    this._window = window;
+  },
+
+  get healthReportDataSubmissionEnabled() {
+    return Preferences.get(PREF_FHR_UPLOAD_ENABLED, false);
+  },
+
+  set healthReportDataSubmissionEnabled(enabled) {
+    Preferences.set(PREF_FHR_UPLOAD_ENABLED, enabled);
+  },
+
+  resetPref: function(name) {
+    Services.prefs.clearUserPref(name);
+  },
+
+  resetSearchEngines: function() {
+    Services.search.restoreDefaultEngines();
+    Services.search.resetToOriginalDefaultEngine();
+  },
+
+  getTelemetryPingList: function() {
+    return this._wrapPromise(TelemetryArchive.promiseArchivedPingList());
+  },
+
+  getTelemetryPing: function(pingId) {
+    return this._wrapPromise(TelemetryArchive.promiseArchivedPingById(pingId));
+  },
+
+  getCurrentTelemetryEnvironment: function() {
+    const current = TelemetryEnvironment.currentEnvironment;
+    return new this._window.Promise(resolve => resolve(current));
+  },
+
+  getCurrentTelemetrySubsessionPing: function() {
+    const current = TelemetryController.getCurrentPingData(true);
+    return new this._window.Promise(resolve => resolve(current));
+  },
+
+  _wrapPromise: function(promise) {
+    return new this._window.Promise(
+      (resolve, reject) => promise.then(resolve, reject));
+  },
+}
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([MozSelfSupportInterface]);
diff --git a/browser/components/selfsupport/SelfSupportService.manifest b/browser/components/selfsupport/SelfSupportService.manifest
new file mode 100644
index 000000000..0e87857e7
--- /dev/null
+++ b/browser/components/selfsupport/SelfSupportService.manifest
@@ -0,0 +1,2 @@
+component {d30aae8b-f352-4de3-b936-bb9d875df0bb} SelfSupportService.js
+contract @mozilla.org/mozselfsupport;1 {d30aae8b-f352-4de3-b936-bb9d875df0bb}
diff --git a/browser/components/selfsupport/moz.build b/browser/components/selfsupport/moz.build
new file mode 100644
index 000000000..daa59ac97
--- /dev/null
+++ b/browser/components/selfsupport/moz.build
@@ -0,0 +1,14 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+EXTRA_COMPONENTS += [
+    'SelfSupportService.js',
+    'SelfSupportService.manifest',
+]
+
+BROWSER_CHROME_MANIFESTS += [
+    'test/browser.ini',
+]
diff --git a/browser/components/selfsupport/test/.eslintrc.js b/browser/components/selfsupport/test/.eslintrc.js
new file mode 100644
index 000000000..c764b133d
--- /dev/null
+++ b/browser/components/selfsupport/test/.eslintrc.js
@@ -0,0 +1,7 @@
+"use strict";
+
+module.exports = {
+  "extends": [
+    "../../../../testing/mochitest/browser.eslintrc.js"
+  ]
+};
diff --git a/browser/components/selfsupport/test/browser.ini b/browser/components/selfsupport/test/browser.ini
new file mode 100644
index 000000000..ba56857b3
--- /dev/null
+++ b/browser/components/selfsupport/test/browser.ini
@@ -0,0 +1,3 @@
+[DEFAULT]
+
+[browser_selfsupportAPI.js]
diff --git a/browser/components/selfsupport/test/browser_selfsupportAPI.js b/browser/components/selfsupport/test/browser_selfsupportAPI.js
new file mode 100644
index 000000000..2a54d4ae6
--- /dev/null
+++ b/browser/components/selfsupport/test/browser_selfsupportAPI.js
@@ -0,0 +1,88 @@
+Cu.import("resource://gre/modules/Preferences.jsm");
+
+function test_resetPref() {
+  const prefNewName = "browser.newpref.fake";
+  Assert.ok(!Preferences.has(prefNewName), "pref should not exist");
+
+  const prefExistingName = "extensions.hotfix.id";
+  Assert.ok(Preferences.has(prefExistingName), "pref should exist");
+  Assert.ok(!Preferences.isSet(prefExistingName), "pref should not be user-set");
+  let prefExistingOriginalValue = Preferences.get(prefExistingName);
+
+  registerCleanupFunction(function() {
+    Preferences.set(prefExistingName, prefExistingOriginalValue);
+    Services.prefs.deleteBranch(prefNewName);
+  });
+
+  // 1. do nothing on an inexistent pref
+  MozSelfSupport.resetPref(prefNewName);
+  Assert.ok(!Preferences.has(prefNewName), "pref should still not exist");
+
+  // 2. creation of a new pref
+  Preferences.set(prefNewName, 10);
+  Assert.ok(Preferences.has(prefNewName), "pref should exist");
+  Assert.equal(Preferences.get(prefNewName), 10, "pref value should be 10");
+
+  MozSelfSupport.resetPref(prefNewName);
+  Assert.ok(!Preferences.has(prefNewName), "pref should not exist any more");
+
+  // 3. do nothing on an unchanged existing pref
+  MozSelfSupport.resetPref(prefExistingName);
+  Assert.ok(Preferences.has(prefExistingName), "pref should still exist");
+  Assert.equal(Preferences.get(prefExistingName), prefExistingOriginalValue, "pref value should be the same as original");
+
+  // 4. change the value of an existing pref
+  Preferences.set(prefExistingName, "anyone@mozilla.org");
+  Assert.ok(Preferences.has(prefExistingName), "pref should exist");
+  Assert.equal(Preferences.get(prefExistingName), "anyone@mozilla.org", "pref value should have changed");
+
+  MozSelfSupport.resetPref(prefExistingName);
+  Assert.ok(Preferences.has(prefExistingName), "pref should still exist");
+  Assert.equal(Preferences.get(prefExistingName), prefExistingOriginalValue, "pref value should be the same as original");
+
+  // 5. delete an existing pref
+  // deleteBranch is implemented in such a way that
+  // clearUserPref can't undo its action
+  // see discussion in bug 1075160
+}
+
+function test_resetSearchEngines()
+{
+  const defaultEngineOriginal = Services.search.defaultEngine;
+  const visibleEnginesOriginal = Services.search.getVisibleEngines();
+
+  // 1. do nothing on unchanged search configuration
+  MozSelfSupport.resetSearchEngines();
+  Assert.equal(Services.search.defaultEngine, defaultEngineOriginal, "default engine should be reset");
+  Assert.deepEqual(Services.search.getVisibleEngines(), visibleEnginesOriginal,
+                   "default visible engines set should be reset");
+
+  // 2. change the default search engine
+  const defaultEngineNew = visibleEnginesOriginal[3];
+  Assert.notEqual(defaultEngineOriginal, defaultEngineNew, "new default engine should be different from original");
+  Services.search.defaultEngine = defaultEngineNew;
+  Assert.equal(Services.search.defaultEngine, defaultEngineNew, "default engine should be set to new");
+  MozSelfSupport.resetSearchEngines();
+  Assert.equal(Services.search.defaultEngine, defaultEngineOriginal, "default engine should be reset");
+  Assert.deepEqual(Services.search.getVisibleEngines(), visibleEnginesOriginal,
+                   "default visible engines set should be reset");
+
+  // 3. remove an engine
+  const engineRemoved = visibleEnginesOriginal[2];
+  Services.search.removeEngine(engineRemoved);
+  Assert.ok(Services.search.getVisibleEngines().indexOf(engineRemoved) == -1,
+            "removed engine should not be visible any more");
+  MozSelfSupport.resetSearchEngines();
+  Assert.equal(Services.search.defaultEngine, defaultEngineOriginal, "default engine should be reset");
+  Assert.deepEqual(Services.search.getVisibleEngines(), visibleEnginesOriginal,
+                   "default visible engines set should be reset");
+
+  // 4. add an angine
+  // we don't remove user-added engines as they are only used if selected
+}
+
+function test()
+{
+  test_resetPref();
+  test_resetSearchEngines();
+}