Merge that good fresh upstream shit

app/javascript/mastodon/features/compose/index.js

@@ -13,6 +13,7 @@ import SearchContainer from './containers/search_container';
 import Motion from 'react-motion/lib/Motion';
 import spring from 'react-motion/lib/spring';
 import SearchResultsContainer from './containers/search_results_container';
+import { changeComposing } from '../../actions/compose';
 
 const messages = defineMessages({
   start: { id: 'getting_started.heading', defaultMessage: 'Getting started' },
@@ -59,6 +60,14 @@ export default class Compose extends React.PureComponent {
     this.props.dispatch(openModal('SETTINGS', {}));
   }
 
+  onFocus = () => {
+    this.props.dispatch(changeComposing(true));
+  }
+
+  onBlur = () => {
+    this.props.dispatch(changeComposing(false));
+  }
+
   render () {
     const { multiColumn, showSearch, intl } = this.props;
 
@@ -96,8 +105,8 @@ export default class Compose extends React.PureComponent {
         <SearchContainer />
 
         <div className='drawer__pager'>
-          <div className='drawer__inner'>
-            <NavigationContainer />
+          <div className='drawer__inner' onFocus={this.onFocus}>
+            <NavigationContainer onClose={this.onBlur} />
             <ComposeFormContainer />
           </div>