From 9fdafcc0148472118c37369fed4a9870acb9e66c Mon Sep 17 00:00:00 2001
From: Toby Zerner <toby.zerner@gmail.com>
Date: Tue, 19 May 2015 09:17:44 +0930
Subject: [PATCH] Disable composer textarea before it has fully slid up

Prevents early focusing of the textarea while it is still off the edge
of the viewport, which was causing scroll position to jump
---
 framework/core/js/forum/src/components/composer-body.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/framework/core/js/forum/src/components/composer-body.js b/framework/core/js/forum/src/components/composer-body.js
index 5b81d7a59..192428e93 100644
--- a/framework/core/js/forum/src/components/composer-body.js
+++ b/framework/core/js/forum/src/components/composer-body.js
@@ -10,6 +10,7 @@ export default class ComposerBody extends Component {
 
     this.loading = m.prop(false);
     this.disabled = m.prop(false);
+    this.ready = m.prop(false);
     this.content = m.prop(this.props.originalContent);
     this.editor = new TextEditor({
       submitLabel: this.props.submitLabel,
@@ -22,6 +23,8 @@ export default class ComposerBody extends Component {
   }
 
   view(className) {
+    this.editor.props.disabled = this.loading() || !this.ready();
+
     return m('div', {className, config: this.onload.bind(this)}, [
       avatar(this.props.user, {className: 'composer-avatar'}),
       m('div.composer-body', [
@@ -37,6 +40,9 @@ export default class ComposerBody extends Component {
   }
 
   focus() {
+    this.ready(true);
+    m.redraw();
+
     var $input = this.$().find(':input:enabled:visible:first');
     if ($input.length) {
       $input.focus();