fix position of emoji picker (#6837)

webapp/components/channel_view.jsx

@@ -31,18 +31,22 @@ export default class ChannelView extends React.Component {
 
         this.state = this.getStateFromStores(props);
     }
+
     getStateFromStores() {
         return {
             channelId: ChannelStore.getCurrentId(),
             tutorialStep: PreferenceStore.getInt(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), 999)
         };
     }
+
     isStateValid() {
         return this.state.channelId !== '';
     }
+
     updateState() {
         this.setState(this.getStateFromStores(this.props));
     }
+
     componentDidMount() {
         ChannelStore.addChangeListener(this.updateState);
 
@@ -53,14 +57,17 @@ export default class ChannelView extends React.Component {
             $('body').addClass('browser--ie');
         }
     }
+
     componentWillUnmount() {
         ChannelStore.removeChangeListener(this.updateState);
 
         $('body').removeClass('app__body');
     }
+
     componentWillReceiveProps(nextProps) {
         this.setState(this.getStateFromStores(nextProps));
     }
+
     shouldComponentUpdate(nextProps, nextState) {
         if (!Utils.areObjectsEqual(nextProps.params, this.props.params)) {
             return true;
@@ -72,6 +79,11 @@ export default class ChannelView extends React.Component {
 
         return false;
     }
+
+    getChannelView = () => {
+        return this.refs.channelView;
+    }
+
     render() {
         if (this.state.tutorialStep <= TutorialSteps.INTRO_SCREENS) {
             return (<TutorialView/>);
@@ -79,6 +91,7 @@ export default class ChannelView extends React.Component {
 
         return (
             <div
+                ref='channelView'
                 id='app-content'
                 className='app__content'
             >
@@ -93,7 +106,7 @@ export default class ChannelView extends React.Component {
                     className='post-create__container'
                     id='post-create'
                 >
-                    <CreatePost/>
+                    <CreatePost getChannelView={this.getChannelView}/>
                 </div>
             </div>
         );