Added ability to set the dock menu

README.md

@@ -382,6 +382,12 @@ This `Observable` should contain boolean values; `true` values will cause the do
 
 This sink causes the OS X badge label to be updated.
 
+###### menu$
+
+This sink sets the menu in the OS X dock for the application. See 
+[the electron documentation](http://electron.atom.io/docs/v0.36.7/api/app/#appdocksetmenumenu-os-x) for details on what
+these values should be.
+
 ##### ntlmAllowedOverride$
 
 This sink should be an `Observable` of boolean values; when true, NTLM authentication is enabled for sites not 

src/MainDriver.js

@@ -255,7 +255,8 @@ function subscribeToDockSinks(app, dock) {
 
   return subscribeToDockBounceSinks(app, dock.bounce)
     .concat(subscribeToDockBadgeLabels(app, dock.badgeLabel$))
-    .concat(subscribeToDockVisibility(app, dock.visibility$));
+    .concat(subscribeToDockVisibility(app, dock.visibility$))
+    .concat(subscribeToDockMenus(app, dock.menu$));
 }
 
 function subscribeToDockBounceSinks(app, bounce) {
@@ -293,3 +294,7 @@ function subscribeToDockVisibility(app, visibility$) {
     visibility$.filter(value => value === true).forEach(() => app.dock.show())
   ];
 }
+
+function subscribeToDockMenus(app, menu$) {
+  return menu$ && menu$.forEach(menu => app.dock.setMenu(menu));
+}

test/specs/MainDriver.tests.js

@@ -41,7 +41,8 @@ describe('MainDriver', () => {
       getBadge: stub(),
       setBadge: spy(),
       show: spy(),
-      hide: spy()
+      hide: spy(),
+      setMenu: spy()
     };
     driver = new MainDriver(app);
   });
@@ -889,7 +890,26 @@ describe('MainDriver', () => {
             }, 1);
           });
         }
-      })
+      });
+
+      describe('menu$', () => {
+        it('causes app.dock.setMenu to be called', done => {
+          const menu = {};
+
+          Cycle.run(() => ({
+            electron: Observable.just({
+              dock: {
+                menu$: Observable.just(menu)
+              }
+            })
+          }), { electron: driver });
+
+          setTimeout(() => {
+            expect(app.dock.setMenu).to.have.been.calledWith(menu);
+            done();
+          }, 1);
+        });
+      });
     });
 
     describe('newChromiumParam$', () => {