From 6e72627e9ed3ce07ee2c6516d6e5953396632c00 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Wed, 30 Jul 2014 11:26:15 -0600
Subject: [PATCH 1/4] Stop propagation of keydown/textInput events to prevent
 React handler

React's global synthetic event handler is somewhat expensive. This
prevents it from being invoked on every keystroke, saving ~1ms.
---
 src/editor-component.coffee     | 9 ++++++---
 src/window-event-handler.coffee | 7 +++++--
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/editor-component.coffee b/src/editor-component.coffee
index 577c9db0d..7c365af6f 100644
--- a/src/editor-component.coffee
+++ b/src/editor-component.coffee
@@ -524,6 +524,12 @@ EditorComponent = React.createClass
     @refs.input.focus()
 
   onTextInput: (event) ->
+    event.stopPropagation()
+
+    # If we prevent the insertion of a space character, then the browser
+    # interprets the spacebar keypress as a page-down command.
+    event.preventDefault() unless event.data is ' '
+
     return unless @isInputEnabled()
 
     {editor} = @props
@@ -539,9 +545,6 @@ EditorComponent = React.createClass
     editor.insertText(event.data)
     inputNode.value = event.data
 
-    # If we prevent the insertion of a space character, then the browser
-    # interprets the spacebar keypress as a page-down command.
-    event.preventDefault() unless event.data is ' '
 
   onInputFocused: ->
     @setState(focused: true)
diff --git a/src/window-event-handler.coffee b/src/window-event-handler.coffee
index 4e29717c1..6669a185c 100644
--- a/src/window-event-handler.coffee
+++ b/src/window-event-handler.coffee
@@ -57,8 +57,7 @@ class WindowEventHandler
 
     @subscribeToCommand $(document), 'core:focus-previous', @focusPrevious
 
-    @subscribe $(document), 'keydown', (event) ->
-      atom.keymaps.handleKeyboardEvent(event.originalEvent)
+    document.addEventListener 'keydown', @onKeydown
 
     @subscribe $(document), 'drop', (e) ->
       e.preventDefault()
@@ -95,6 +94,10 @@ class WindowEventHandler
     bindCommandToAction('core:redo', 'redo:')
     bindCommandToAction('core:select-all', 'selectAll:')
 
+  onKeydown: (event) ->
+    atom.keymaps.handleKeyboardEvent(event)
+    event.stopImmediatePropagation()
+
   openLink: ({target, currentTarget}) ->
     location = target?.getAttribute('href') or currentTarget?.getAttribute('href')
     if location and location[0] isnt '#' and /^https?:\/\//.test(location)

From db243936b4e60e3fac1aa0aa72030194c0cc8686 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Wed, 30 Jul 2014 22:45:53 -0600
Subject: [PATCH 2/4] Update emissary for Emitter::emit optimization

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index bd9662e3a..1e77d3f2e 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "coffee-script": "1.7.0",
     "coffeestack": "0.7.0",
     "delegato": "^1",
-    "emissary": "^1.2.1",
+    "emissary": "^1.2.2",
     "first-mate": "^2.0.1",
     "fs-plus": "^2.2.6",
     "fstream": "0.1.24",

From 6c72b13adc3c96c42ae99e9b828ecb091d1ed8cf Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Thu, 31 Jul 2014 15:21:37 -0600
Subject: [PATCH 3/4] Upgrade keymap to avoid temp objects in
 keystrokeForKeyboardEvent

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 1e77d3f2e..cd1bd3a99 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "atomShellVersion": "0.15.1",
   "dependencies": {
     "async": "0.2.6",
-    "atom-keymap": "^1.0.0",
+    "atom-keymap": "^1.0.2",
     "bootstrap": "git+https://github.com/atom/bootstrap.git#6af81906189f1747fd6c93479e3d998ebe041372",
     "clear-cut": "0.4.0",
     "coffee-script": "1.7.0",

From 1c3720c1604aee3e028010e9f3040171b548ee8d Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Thu, 31 Jul 2014 15:23:58 -0600
Subject: [PATCH 4/4] Upgrade keybinding-resolver for spec fix

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index cd1bd3a99..9f7922df6 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
     "grammar-selector": "0.27.0",
     "image-view": "0.36.0",
     "incompatible-packages": "0.5.0",
-    "keybinding-resolver": "0.18.0",
+    "keybinding-resolver": "0.19.0",
     "link": "0.25.0",
     "markdown-preview": "0.94.0",
     "metrics": "0.33.0",