1 files changed, 90 insertions, 0 deletions
diff --git a/browser/components/search/content/searchReset.js b/browser/components/search/content/searchReset.js
new file mode 100644
index 000000000..b541d41da
--- /dev/null
+++ b/browser/components/search/content/searchReset.js
@@ -0,0 +1,90 @@
+/* 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";
+
+var {classes: Cc, interfaces: Ci, utils: Cu} = Components;
+
+Cu.import("resource://gre/modules/Services.jsm");
+
+const TELEMETRY_RESULT_ENUM = {
+  RESTORED_DEFAULT: 0,
+  KEPT_CURRENT: 1,
+  CHANGED_ENGINE: 2,
+  CLOSED_PAGE: 3,
+  OPENED_SETTINGS: 4
+};
+
+window.onload = function() {
+  let defaultEngine = document.getElementById("defaultEngine");
+  let originalDefault = Services.search.originalDefaultEngine;
+  defaultEngine.textContent = originalDefault.name;
+  defaultEngine.style.backgroundImage =
+    'url("' + originalDefault.iconURI.spec + '")';
+
+  document.getElementById("searchResetChangeEngine").focus();
+  window.addEventListener("unload", recordPageClosed);
+  document.getElementById("linkSettingsPage")
+          .addEventListener("click", openingSettings);
+};
+
+function doSearch() {
+  let queryString = "";
+  let purpose = "";
+  let params = window.location.href.match(/^about:searchreset\?([^#]*)/);
+  if (params) {
+    params = params[1].split("&");
+    for (let param of params) {
+      if (param.startsWith("data="))
+        queryString = decodeURIComponent(param.slice(5));
+      else if (param.startsWith("purpose="))
+        purpose = param.slice(8);
+    }
+  }
+
+  let engine = Services.search.currentEngine;
+  let submission = engine.getSubmission(queryString, null, purpose);
+
+  window.removeEventListener("unload", recordPageClosed);
+
+  let win = window.QueryInterface(Ci.nsIInterfaceRequestor)
+                  .getInterface(Ci.nsIWebNavigation)
+                  .QueryInterface(Ci.nsIDocShellTreeItem)
+                  .rootTreeItem
+                  .QueryInterface(Ci.nsIInterfaceRequestor)
+                  .getInterface(Ci.nsIDOMWindow);
+  win.openUILinkIn(submission.uri.spec, "current", false, submission.postData);
+}
+
+function openingSettings() {
+  record(TELEMETRY_RESULT_ENUM.OPENED_SETTINGS);
+  window.removeEventListener("unload", recordPageClosed);
+}
+
+function record(result) {
+  Services.telemetry.getHistogramById("SEARCH_RESET_RESULT").add(result);
+}
+
+function keepCurrentEngine() {
+  // Calling the currentEngine setter will force a correct loadPathHash to be
+  // written for this engine, so that we don't prompt the user again.
+  Services.search.currentEngine = Services.search.currentEngine;
+  record(TELEMETRY_RESULT_ENUM.KEPT_CURRENT);
+  doSearch();
+}
+
+function changeSearchEngine() {
+  let engine = Services.search.originalDefaultEngine;
+  if (engine.hidden)
+    engine.hidden = false;
+  Services.search.currentEngine = engine;
+
+  record(TELEMETRY_RESULT_ENUM.RESTORED_DEFAULT);
+
+  doSearch();
+}
+
+function recordPageClosed() {
+  record(TELEMETRY_RESULT_ENUM.CLOSED_PAGE);
+}