Move status context menu to its own component

This fixes a lot of the state bugs such as buttons not updating, etc. 

This commit also adds the border around the avatar to indicate a status is set.

src/components/views/context_menus/StatusMessageContextMenu.js

@@ -0,0 +1,84 @@
+/*
+Copyright 2018 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import PropTypes from 'prop-types';
+import { _t } from '../../../languageHandler';
+import MatrixClientPeg from '../../../MatrixClientPeg';
+import AccessibleButton from '../elements/AccessibleButton';
+import classNames from 'classnames';
+
+export default class StatusMessageContextMenu extends React.Component {
+    constructor(props, context) {
+        super(props, context);
+        this._onClearClick = this._onClearClick.bind(this);
+        this._onSubmit = this._onSubmit.bind(this);
+        this._onStatusChange = this._onStatusChange.bind(this);
+
+        this.state = {
+            message: props.user ? props.user.statusMessage : "",
+        };
+    }
+
+    async _onClearClick(e) {
+        await MatrixClientPeg.get().setStatusMessage("");
+        this.setState({message: ""});
+    }
+
+    _onSubmit(e) {
+        e.preventDefault();
+        MatrixClientPeg.get().setStatusMessage(this.state.message);
+    }
+
+    _onStatusChange(e) {
+        this.setState({message: e.target.value});
+    }
+
+    render() {
+        const form = <form className="mx_StatusMessageContextMenu_form" onSubmit={this._onSubmit}>
+            <input type="text" key="message" placeholder={_t("Set a new status...")} autoFocus={true}
+                   className="mx_StatusMessageContextMenu_message"
+                   value={this.state.message} onChange={this._onStatusChange} maxLength="60" />
+            <AccessibleButton onClick={this._onSubmit} element="div" className="mx_StatusMessageContextMenu_submit">
+                <img src="img/icons-checkmark.svg" width="22" height="22" />
+            </AccessibleButton>
+        </form>;
+
+        const clearIcon = this.state.message ? "img/cancel-red.svg" : "img/cancel.svg";
+        const clearButton = <AccessibleButton onClick={this._onClearClick} disabled={!this.state.message}
+                                              className="mx_StatusMessageContextMenu_clear">
+            <img src={clearIcon} alt={_t('Clear status')} width="12" height="12"
+                 className="mx_filterFlipColor mx_StatusMessageContextMenu_clearIcon" />
+            <span>{_t("Clear status")}</span>
+        </AccessibleButton>;
+
+        const menuClasses = classNames({
+            "mx_StatusMessageContextMenu": true,
+            "mx_StatusMessageContextMenu_hasStatus": this.state.message,
+        });
+
+        return <div className={menuClasses}>
+            { form }
+            <hr />
+            { clearButton }
+        </div>;
+    }
+}
+
+StatusMessageContextMenu.propTypes = {
+    // js-sdk User object. Not required because it might not exist.
+    user: PropTypes.object,
+};