Added SpinnerButton component to handle buttons that are also spinners

webapp/components/spinner_button.jsx

@@ -0,0 +1,48 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import React from 'react';
+
+import loadingGif from 'images/load.gif';
+
+export default class SpinnerButton extends React.Component {
+    static get propTypes() {
+        return {
+            children: React.PropTypes.node,
+            spinning: React.PropTypes.bool.isRequired,
+            onClick: React.PropTypes.func
+        };
+    }
+
+    constructor(props) {
+        super(props);
+
+        this.handleClick = this.handleClick.bind(this);
+    }
+
+    handleClick(e) {
+        if (this.props.onClick) {
+            this.props.onClick(e);
+        }
+    }
+
+    render() {
+        if (this.props.spinning) {
+            return (
+                <img
+                    className='spinner-button__gif'
+                    src={loadingGif}
+                />
+            );
+        }
+
+        return (
+            <button
+                onClick={this.handleClick}
+                className='btn btn-sm btn-primary'
+            >
+                {this.props.children}
+            </button>
+        );
+    }
+}