From 346c7d9b372d79f0b29c493c800b90d091bbbb7e Mon Sep 17 00:00:00 2001
From: Antonio Scandurra <me@as-cii.com>
Date: Tue, 15 Sep 2015 17:44:31 +0200
Subject: [PATCH] Defer state building in TextEditorPresenter

---
 src/text-editor-presenter.coffee | 47 ++++++++++++--------------------
 1 file changed, 18 insertions(+), 29 deletions(-)

diff --git a/src/text-editor-presenter.coffee b/src/text-editor-presenter.coffee
index ca7aadf3b..05b8a636b 100644
--- a/src/text-editor-presenter.coffee
+++ b/src/text-editor-presenter.coffee
@@ -34,6 +34,7 @@ class TextEditorPresenter
     @observeModel()
     @observeConfig()
     @buildState()
+    @invalidate()
     @startBlinkingCursors() if @focused
     @updating = false
 
@@ -112,6 +113,23 @@ class TextEditorPresenter
     @shouldUpdateGutterOrderState = false
     @shouldUpdateCustomGutterDecorationState = false
 
+  invalidate: ->
+    @shouldUpdateFocusedState = true
+    @shouldUpdateHeightState = true
+    @shouldUpdateVerticalScrollState = true
+    @shouldUpdateHorizontalScrollState = true
+    @shouldUpdateScrollbarsState = true
+    @shouldUpdateHiddenInputState = true
+    @shouldUpdateContentState = true
+    @shouldUpdateDecorations = true
+    @shouldUpdateLinesState = true
+    @shouldUpdateCursorsState = true
+    @shouldUpdateOverlaysState = true
+    @shouldUpdateLineNumberGutterState = true
+    @shouldUpdateLineNumbersState = true
+    @shouldUpdateGutterOrderState = true
+    @shouldUpdateCustomGutterDecorationState = true
+
   observeModel: ->
     @disposables.add @model.onDidChange =>
       @updateVerticalDimensions()
@@ -227,35 +245,6 @@ class TextEditorPresenter
     @lineNumberGutter =
       tiles: {}
 
-    @updateState()
-
-  updateState: ->
-    @shouldUpdateLinesState = true
-    @shouldUpdateLineNumbersState = true
-
-    @updateContentDimensions()
-    @updateScrollbarDimensions()
-    @updateStartRow()
-    @updateEndRow()
-
-    @updateFocusedState()
-    @updateHeightState()
-    @updateVerticalScrollState()
-    @updateHorizontalScrollState()
-    @updateScrollbarsState()
-    @updateHiddenInputState()
-    @updateContentState()
-    @updateDecorations()
-    @updateTilesState()
-    @updateCursorsState()
-    @updateOverlaysState()
-    @updateLineNumberGutterState()
-    @updateCommonGutterState()
-    @updateGutterOrderState()
-    @updateCustomGutterDecorationState()
-
-    @resetTrackedUpdates()
-
   updateFocusedState: ->
     @state.focused = @focused