From fcc55d0ca0642f76010709ea1cb1737186fdbbe9 Mon Sep 17 00:00:00 2001
From: Ursula Sarracini <ursulasarracini@gmail.com>
Date: Tue, 31 May 2016 11:06:30 -0400
Subject: [PATCH] feat(addon): #764 SearchProvider manages your engines

---
 common/action-manager.js |  2 ++
 lib/ActivityStreams.js   | 13 +++++++++++++
 lib/SearchProvider.js    | 12 ++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/common/action-manager.js b/common/action-manager.js
index 9ff3e6dcfb..68f8eb29fe 100644
--- a/common/action-manager.js
+++ b/common/action-manager.js
@@ -23,6 +23,8 @@ const am = new ActionManager([
   "RECEIVE_CURRENT_ENGINE",
   "SEARCH_STATE_REQUEST",
   "SEARCH_STATE_RESPONSE",
+  "NOTIFY_MANAGE_ENGINES",
+  "NOTIFY_CYCLE_CURRENT_ENGINE",
   "NOTIFY_ROUTE_CHANGE",
   "NOTIFY_PERFORMANCE",
   "NOTIFY_USER_EVENT"
diff --git a/lib/ActivityStreams.js b/lib/ActivityStreams.js
index 6be14a71ec..ae0511a985 100644
--- a/lib/ActivityStreams.js
+++ b/lib/ActivityStreams.js
@@ -182,6 +182,15 @@ ActivityStreams.prototype = {
           SearchProvider.search.performSearch(browser, searchData);
         });
         break;
+      case am.type("NOTIFY_MANAGE_ENGINES"): // eslint-disable-line
+        let win = windowMediator.getMostRecentWindow("navigator:browser");
+        let gBrowser = win.getBrowser();
+        let browser = gBrowser.selectedBrowser;
+        SearchProvider.search.manageEngines(browser);
+        break;
+      case am.type("NOTIFY_CYCLE_CURRENT_ENGINE"):
+        SearchProvider.search.asyncCycleEngine(msg.data);
+        break;
     }
   },
 
@@ -249,6 +258,8 @@ ActivityStreams.prototype = {
     this.on(am.type("NOTIFY_UNBLOCK_ALL"), this._respondToPlacesRequests);
     this.on(am.type("NOTIFY_BOOKMARK_DELETE"), this._respondToPlacesRequests);
     this.on(am.type("SEARCH_STATE_REQUEST"), this._respondToSearchRequests);
+    this.on(am.type("NOTIFY_MANAGE_ENGINES"), this._respondToSearchRequests);
+    this.on(am.type("NOTIFY_CYCLE_CURRENT_ENGINE"), this._respondToSearchRequests);
     this.on(am.type("NOTIFY_PERFORM_SEARCH"), this._respondToSearchRequests);
     this.on(am.type("NOTIFY_ROUTE_CHANGE"), this._onRouteChange);
     this.on(am.type("NOTIFY_USER_EVENT"), this._handleUserEvent);
@@ -276,6 +287,8 @@ ActivityStreams.prototype = {
     this.off(am.type("NOTIFY_UNBLOCK_ALL"), this._respondToPlacesRequests);
     this.off(am.type("NOTIFY_BOOKMARK_DELETE"), this._respondToPlacesRequests);
     this.off(am.type("SEARCH_STATE_REQUEST"), this._respondToSearchRequests);
+    this.off(am.type("NOTIFY_MANAGE_ENGINES"), this._respondToSearchRequests);
+    this.off(am.type("NOTIFY_CYCLE_CURRENT_ENGINE"), this._respondToSearchRequests);
     this.off(am.type("NOTIFY_PERFORM_SEARCH"), this._respondToSearchRequests);
     this.off(am.type("NOTIFY_ROUTE_CHANGE"), this._onRouteChange);
     this.off(am.type("NOTIFY_USER_EVENT"), this._handleUserEvent);
diff --git a/lib/SearchProvider.js b/lib/SearchProvider.js
index ad389fd093..72afac561a 100644
--- a/lib/SearchProvider.js
+++ b/lib/SearchProvider.js
@@ -68,6 +68,18 @@ NewTabSearchProvider.prototype = {
     }.bind(this));
   },
 
+  manageEngines(browser) {
+    const browserWindow = browser.ownerDocument.defaultView;
+    browserWindow.openPreferences("paneSearch");
+  },
+
+  asyncCycleEngine: Task.async(function*(engineName) {
+    Services.search.currentEngine = Services.search.getEngineByName(engineName);
+    let state = yield this.state;
+    let newEngine = state.currentEngine;
+    this.emit("CURRENT_ENGINE", newEngine);
+  }),
+
   performSearch(browser, searchData) {
    ContentSearch._onMessageSearch({target: browser}, searchData);
  },