Fix upload file input being re-rendered needlessly

2 files changed, 6 insertions, 5 deletions

diff --git a/app/assets/javascripts/components/features/compose/components/upload_button.jsx b/app/assets/javascripts/components/features/compose/components/upload_button.jsx
index f00ef3f8f..4c8181aa1 100644
--- a/app/assets/javascripts/components/features/compose/components/upload_button.jsx
+++ b/app/assets/javascripts/components/features/compose/components/upload_button.jsx
@@ -12,7 +12,8 @@ const UploadButton = React.createClass({
     disabled: React.PropTypes.bool,
     onSelectFile: React.PropTypes.func.isRequired,
     style: React.PropTypes.object,
-    key: React.PropTypes.number
+    resetFileKey: React.PropTypes.number,
+    intl: React.PropTypes.object.isRequired
   },
 
   mixins: [PureRenderMixin],
@@ -32,12 +33,12 @@ const UploadButton = React.createClass({
   },
 
   render () {
-    const { intl } = this.props;
+    const { intl, resetFileKey, disabled } = this.props;
 
     return (
       <div style={this.props.style}>
-        <IconButton icon='photo' title={intl.formatMessage(messages.upload)} disabled={this.props.disabled} onClick={this.handleClick} size={24} />
-        <input key={this.props.key} ref={this.setRef} type='file' multiple={false} onChange={this.handleChange} disabled={this.props.disabled} style={{ display: 'none' }} />
+        <IconButton icon='photo' title={intl.formatMessage(messages.upload)} disabled={disabled} onClick={this.handleClick} size={24} />
+        <input key={resetFileKey} ref={this.setRef} type='file' multiple={false} onChange={this.handleChange} disabled={disabled} style={{ display: 'none' }} />
       </div>
     );
   }
diff --git a/app/assets/javascripts/components/features/compose/containers/upload_button_container.jsx b/app/assets/javascripts/components/features/compose/containers/upload_button_container.jsx
index 7afa7d355..78e5312f5 100644
--- a/app/assets/javascripts/components/features/compose/containers/upload_button_container.jsx
+++ b/app/assets/javascripts/components/features/compose/containers/upload_button_container.jsx
@@ -4,7 +4,7 @@ import { uploadCompose } from '../../../actions/compose';
 
 const mapStateToProps = state => ({
   disabled: state.getIn(['compose', 'is_uploading']) || (state.getIn(['compose', 'media_attachments']).size > 3 || state.getIn(['compose', 'media_attachments']).some(m => m.get('type') === 'video')),
-  key: Math.floor((Math.random() * 0x10000))
+  resetFileKey: state.getIn(['compose', 'resetFileKey'])
 });
 
 const mapDispatchToProps = dispatch => ({