From 73d4fcdc1ba889d23afbd21964b66a5023669f1c Mon Sep 17 00:00:00 2001
From: Wesley Cho <wesley.cho@gmail.com>
Date: Sat, 5 Sep 2015 03:34:40 -0700
Subject: [PATCH] feat(tooltip): hide tooltip when `esc` is hit

- Hide tooltip when `esc` is hit for accessibility
---
 src/tooltip/test/tooltip.spec.js | 14 ++++++++++++++
 src/tooltip/tooltip.js           |  6 ++++++
 2 files changed, 20 insertions(+)

diff --git a/src/tooltip/test/tooltip.spec.js b/src/tooltip/test/tooltip.spec.js
index e8e9d068e8..bbbed52324 100644
--- a/src/tooltip/test/tooltip.spec.js
+++ b/src/tooltip/test/tooltip.spec.js
@@ -224,6 +224,20 @@ describe('tooltip', function() {
     trigger(elm, 'mouseleave');
   });
 
+  it('should close when escape is hit while open', function() {
+    expect(tooltipScope.isOpen).toBe(false);
+
+    trigger(elm, 'mouseenter');
+
+    expect(tooltipScope.isOpen).toBe(true);
+
+    var event = $.Event('keypress');
+    event.which = 27;
+    elm.trigger(event);
+
+    expect(tooltipScope.isOpen).toBe(false);
+  });
+
   describe('with specified enable expression', function() {
     beforeEach(inject(function($compile) {
       scope.enable = false;
diff --git a/src/tooltip/tooltip.js b/src/tooltip/tooltip.js
index 864d861afc..745ff619b2 100644
--- a/src/tooltip/tooltip.js
+++ b/src/tooltip/tooltip.js
@@ -406,6 +406,12 @@ angular.module('ui.bootstrap.tooltip', ['ui.bootstrap.position'])
                     element[0].addEventListener(trigger, showTooltipBind);
                     element[0].addEventListener(triggers.hide[idx], hideTooltipBind);
                   }
+
+                  element.on('keypress', function(e) {
+                    if (e.which === 27) {
+                      hideTooltipBind();
+                    }
+                  });
                 });
               }
             }