From 1c4d89f2d77f605e2f1b6dd991b086faa10c7fd6 Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Mon, 11 Nov 2019 17:53:17 +0000
Subject: [PATCH] Migrate all standard Context Menus over to new custom
 framework

---
 res/css/views/context_menus/_TopLeftMenu.scss |  14 +-
 src/components/structures/ContextualMenu.js   | 332 +++++++++++++++++-
 .../structures/TopLeftMenuButton.js           |  73 ++--
 .../GroupInviteTileContextMenu.js             |  10 +-
 .../context_menus/RoomTileContextMenu.js      | 180 +++++-----
 .../views/context_menus/TagTileContextMenu.js |  27 +-
 .../views/context_menus/TopLeftMenu.js        |  29 +-
 src/components/views/elements/TagTile.js      | 121 ++++---
 .../views/emojipicker/ReactionPicker.js       |   2 -
 .../views/groups/GroupInviteTile.js           | 100 +++---
 .../views/messages/MessageActionBar.js        | 224 +++++++-----
 src/components/views/rooms/RoomTile.js        | 141 ++++----
 src/i18n/strings/en_EN.json                   |   1 +
 13 files changed, 830 insertions(+), 424 deletions(-)

diff --git a/res/css/views/context_menus/_TopLeftMenu.scss b/res/css/views/context_menus/_TopLeftMenu.scss
index 9d258bcf55..d17d683e7e 100644
--- a/res/css/views/context_menus/_TopLeftMenu.scss
+++ b/res/css/views/context_menus/_TopLeftMenu.scss
@@ -49,23 +49,23 @@ limitations under the License.
         padding: 0;
         list-style: none;
 
-        li.mx_TopLeftMenu_icon_home::after {
+        .mx_TopLeftMenu_icon_home::after {
             mask-image: url('$(res)/img/feather-customised/home.svg');
         }
 
-        li.mx_TopLeftMenu_icon_settings::after {
+        .mx_TopLeftMenu_icon_settings::after {
             mask-image: url('$(res)/img/feather-customised/settings.svg');
         }
 
-        li.mx_TopLeftMenu_icon_signin::after {
+        .mx_TopLeftMenu_icon_signin::after {
             mask-image: url('$(res)/img/feather-customised/sign-in.svg');
         }
 
-        li.mx_TopLeftMenu_icon_signout::after {
+        .mx_TopLeftMenu_icon_signout::after {
             mask-image: url('$(res)/img/feather-customised/sign-out.svg');
         }
 
-        li::after {
+        .mx_AccessibleButton::after {
             mask-repeat: no-repeat;
             mask-position: 0 center;
             mask-size: 16px;
@@ -78,14 +78,14 @@ limitations under the License.
             background-color: $primary-fg-color;
         }
 
-        li {
+        .mx_AccessibleButton {
             position: relative;
             cursor: pointer;
             white-space: nowrap;
             padding: 5px 20px 5px 43px;
         }
 
-        li:hover {
+        .mx_AccessibleButton:hover {
             background-color: $menu-selected-color;
         }
     }
diff --git a/src/components/structures/ContextualMenu.js b/src/components/structures/ContextualMenu.js
index 3f8c87efef..6d046c08d4 100644
--- a/src/components/structures/ContextualMenu.js
+++ b/src/components/structures/ContextualMenu.js
@@ -21,7 +21,9 @@ import ReactDOM from 'react-dom';
 import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import {focusCapturedRef} from "../../utils/Accessibility";
-import {KeyCode} from "../../Keyboard";
+import {Key, KeyCode} from "../../Keyboard";
+import {_t} from "../../languageHandler";
+import sdk from "../../index";
 
 // Shamelessly ripped off Modal.js.  There's probably a better way
 // of doing reusable widgets like dialog boxes & menus where we go and
@@ -229,6 +231,334 @@ export default class ContextualMenu extends React.Component {
     }
 }
 
+const ARIA_MENU_ITEM_ROLES = new Set(["menuitem", "menuitemcheckbox", "menuitemradio"]);
+
+class ContextualMenu2 extends React.Component {
+    propTypes: {
+        top: PropTypes.number,
+        bottom: PropTypes.number,
+        left: PropTypes.number,
+        right: PropTypes.number,
+        menuWidth: PropTypes.number,
+        menuHeight: PropTypes.number,
+        chevronOffset: PropTypes.number,
+        chevronFace: PropTypes.string, // top, bottom, left, right or none
+        // Function to be called on menu close
+        onFinished: PropTypes.func,
+        menuPaddingTop: PropTypes.number,
+        menuPaddingRight: PropTypes.number,
+        menuPaddingBottom: PropTypes.number,
+        menuPaddingLeft: PropTypes.number,
+        zIndex: PropTypes.number,
+
+        // If true, insert an invisible screen-sized element behind the
+        // menu that when clicked will close it.
+        hasBackground: PropTypes.bool,
+
+        // on resize callback
+        windowResize: PropTypes.func,
+    };
+
+    constructor() {
+        super();
+        this.state = {
+            contextMenuRect: null,
+        };
+
+        // persist what had focus when we got initialized so we can return it after
+        this.initialFocus = document.activeElement;
+    }
+
+    componentWillUnmount() {
+        // return focus to the thing which had it before us
+        this.initialFocus.focus();
+    }
+
+    collectContextMenuRect = (element) => {
+        // We don't need to clean up when unmounting, so ignore
+        if (!element) return;
+
+        const first = element.querySelector('[role^="menuitem"]');
+        if (first) {
+            first.focus();
+        }
+
+        this.setState({
+            contextMenuRect: element.getBoundingClientRect(),
+        });
+    };
+
+    onContextMenu = (e) => {
+        if (this.props.closeMenu) {
+            this.props.closeMenu();
+
+            e.preventDefault();
+            const x = e.clientX;
+            const y = e.clientY;
+
+            // XXX: This isn't pretty but the only way to allow opening a different context menu on right click whilst
+            // a context menu and its click-guard are up without completely rewriting how the context menus work.
+            setImmediate(() => {
+                const clickEvent = document.createEvent('MouseEvents');
+                clickEvent.initMouseEvent(
+                    'contextmenu', true, true, window, 0,
+                    0, 0, x, y, false, false,
+                    false, false, 0, null,
+                );
+                document.elementFromPoint(x, y).dispatchEvent(clickEvent);
+            });
+        }
+    };
+
+    _onMoveFocus = (element, up) => {
+        let descending = false; // are we currently descending or ascending through the DOM tree?
+
+        do {
+            const child = up ? element.lastElementChild : element.firstElementChild;
+            const sibling = up ? element.previousElementSibling : element.nextElementSibling;
+
+            if (descending) {
+                if (child) {
+                    element = child;
+                } else if (sibling) {
+                    element = sibling;
+                } else {
+                    descending = false;
+                    element = element.parentElement;
+                }
+            } else {
+                if (sibling) {
+                    element = sibling;
+                    descending = true;
+                } else {
+                    element = element.parentElement;
+                }
+            }
+
+            if (element) {
+                if (element.classList.contains("mx_ContextualMenu")) { // we hit the top
+                    element = up ? element.lastElementChild : element.firstElementChild;
+                    descending = true;
+                }
+            }
+        } while (element && !ARIA_MENU_ITEM_ROLES.has(element.getAttribute("role")));
+
+        if (element) {
+            element.focus();
+        }
+    };
+
+    _onKeyDown = (ev) => {
+        let handled = true;
+
+        switch (ev.key) {
+            case Key.TAB:
+            case Key.ESCAPE:
+                this.props.closeMenu();
+                break;
+            case Key.ARROW_UP:
+                this._onMoveFocus(ev.target, true);
+                break;
+            case Key.ARROW_DOWN:
+                this._onMoveFocus(ev.target, false);
+                break;
+            default:
+                handled = false;
+        }
+
+        if (handled) {
+            ev.stopPropagation();
+            ev.preventDefault();
+        }
+    };
+
+    render() {
+        const position = {};
+        let chevronFace = null;
+        const props = this.props;
+
+        if (props.top) {
+            position.top = props.top;
+        } else {
+            position.bottom = props.bottom;
+        }
+
+        if (props.left) {
+            position.left = props.left;
+            chevronFace = 'left';
+        } else {
+            position.right = props.right;
+            chevronFace = 'right';
+        }
+
+        const contextMenuRect = this.state.contextMenuRect || null;
+        const padding = 10;
+
+        const chevronOffset = {};
+        if (props.chevronFace) {
+            chevronFace = props.chevronFace;
+        }
+        const hasChevron = chevronFace && chevronFace !== "none";
+
+        if (chevronFace === 'top' || chevronFace === 'bottom') {
+            chevronOffset.left = props.chevronOffset;
+        } else {
+            const target = position.top;
+
+            // By default, no adjustment is made
+            let adjusted = target;
+
+            // If we know the dimensions of the context menu, adjust its position
+            // such that it does not leave the (padded) window.
+            if (contextMenuRect) {
+                adjusted = Math.min(position.top, document.body.clientHeight - contextMenuRect.height - padding);
+            }
+
+            position.top = adjusted;
+            chevronOffset.top = Math.max(props.chevronOffset, props.chevronOffset + target - adjusted);
+        }
+
+        let chevron;
+        if (hasChevron) {
+            chevron = <div style={chevronOffset} className={"mx_ContextualMenu_chevron_" + chevronFace} />;
+        }
+
+        const menuClasses = classNames({
+            'mx_ContextualMenu': true,
+            'mx_ContextualMenu_left': !hasChevron && position.left,
+            'mx_ContextualMenu_right': !hasChevron && position.right,
+            'mx_ContextualMenu_top': !hasChevron && position.top,
+            'mx_ContextualMenu_bottom': !hasChevron && position.bottom,
+            'mx_ContextualMenu_withChevron_left': chevronFace === 'left',
+            'mx_ContextualMenu_withChevron_right': chevronFace === 'right',
+            'mx_ContextualMenu_withChevron_top': chevronFace === 'top',
+            'mx_ContextualMenu_withChevron_bottom': chevronFace === 'bottom',
+        });
+
+        const menuStyle = {};
+        if (props.menuWidth) {
+            menuStyle.width = props.menuWidth;
+        }
+
+        if (props.menuHeight) {
+            menuStyle.height = props.menuHeight;
+        }
+
+        if (!isNaN(Number(props.menuPaddingTop))) {
+            menuStyle["paddingTop"] = props.menuPaddingTop;
+        }
+        if (!isNaN(Number(props.menuPaddingLeft))) {
+            menuStyle["paddingLeft"] = props.menuPaddingLeft;
+        }
+        if (!isNaN(Number(props.menuPaddingBottom))) {
+            menuStyle["paddingBottom"] = props.menuPaddingBottom;
+        }
+        if (!isNaN(Number(props.menuPaddingRight))) {
+            menuStyle["paddingRight"] = props.menuPaddingRight;
+        }
+
+        const wrapperStyle = {};
+        if (!isNaN(Number(props.zIndex))) {
+            menuStyle["zIndex"] = props.zIndex + 1;
+            wrapperStyle["zIndex"] = props.zIndex;
+        }
+
+        let background;
+        if (props.hasBackground) {
+            background = (
+                <div className="mx_ContextualMenu_background" style={wrapperStyle} onClick={props.closeMenu} onContextMenu={this.onContextMenu} />
+            );
+        }
+
+        return (
+            <div className="mx_ContextualMenu_wrapper" style={{...position, ...wrapperStyle}} onKeyDown={this._onKeyDown}>
+                <div className={menuClasses} style={menuStyle} ref={this.collectContextMenuRect}>
+                    { chevron }
+                    { props.children }
+                </div>
+                { background }
+            </div>
+        );
+    }
+}
+
+// Generic ContextMenu Portal wrapper
+// all options inside the menu should be of role=menuitem/menuitemcheckbox/menuitemradiobutton and have tabIndex={-1}
+// this will allow the ContextMenu to manage its own focus using arrow keys as per the ARIA guidelines.
+
+export const ContextMenu = ({children, onFinished, props, hasBackground=true}) => {
+    const menu = <ContextualMenu2
+        {...props}
+        hasBackground={hasBackground}
+        closeMenu={onFinished}
+        windowResize={onFinished}
+    >
+        { children }
+    </ContextualMenu2>;
+
+    return ReactDOM.createPortal(menu, getOrCreateContainer());
+};
+
+// Semantic component for representing a role=menuitem
+export const MenuItem = ({children, label, ...props}) => {
+    const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+    return (
+        <AccessibleButton {...props} role="menuitem" tabIndex={-1} aria-label={label}>
+            { children }
+        </AccessibleButton>
+    );
+};
+MenuItem.propTypes = {
+    label: PropTypes.string, // optional
+    className: PropTypes.string, // optional
+    onClick: PropTypes.func.isRequired,
+};
+
+// Semantic component for representing a role=group for grouping menu radios/checkboxes
+export const MenuGroup = ({children, label, ...props}) => {
+    return <div {...props} role="group" aria-label={label}>
+        { children }
+    </div>;
+};
+MenuGroup.propTypes = {
+    label: PropTypes.string.isRequired,
+    className: PropTypes.string, // optional
+};
+
+// Semantic component for representing a role=menuitemcheckbox
+export const MenuItemCheckbox = ({children, label, active=false, disabled=false, ...props}) => {
+    const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+    return (
+        <AccessibleButton {...props} role="menuitemcheckbox" aria-checked={active} aria-disabled={disabled} tabIndex={-1} aria-label={label}>
+            { children }
+        </AccessibleButton>
+    );
+};
+MenuItemCheckbox.propTypes = {
+    label: PropTypes.string, // optional
+    active: PropTypes.bool.isRequired,
+    disabled: PropTypes.bool, // optional
+    className: PropTypes.string, // optional
+    onClick: PropTypes.func.isRequired,
+};
+
+// Semantic component for representing a role=menuitemradio
+export const MenuItemRadio = ({children, label, active=false, disabled=false, ...props}) => {
+    const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+    return (
+        <AccessibleButton {...props} role="menuitemradio" aria-checked={active} aria-disabled={disabled} tabIndex={-1} aria-label={label}>
+            { children }
+        </AccessibleButton>
+    );
+};
+MenuItemRadio.propTypes = {
+    label: PropTypes.string, // optional
+    active: PropTypes.bool.isRequired,
+    disabled: PropTypes.bool, // optional
+    className: PropTypes.string, // optional
+    onClick: PropTypes.func.isRequired,
+};
+
 export function createMenu(ElementClass, props, hasBackground=true) {
     const closeMenu = function(...args) {
         ReactDOM.unmountComponentAtNode(getOrCreateContainer());
diff --git a/src/components/structures/TopLeftMenuButton.js b/src/components/structures/TopLeftMenuButton.js
index 42b8623e56..e0875efb42 100644
--- a/src/components/structures/TopLeftMenuButton.js
+++ b/src/components/structures/TopLeftMenuButton.js
@@ -17,15 +17,14 @@ limitations under the License.
 
 import React from 'react';
 import PropTypes from 'prop-types';
-import * as ContextualMenu from './ContextualMenu';
 import {TopLeftMenu} from '../views/context_menus/TopLeftMenu';
-import AccessibleButton from '../views/elements/AccessibleButton';
 import BaseAvatar from '../views/avatars/BaseAvatar';
 import MatrixClientPeg from '../../MatrixClientPeg';
 import Avatar from '../../Avatar';
 import { _t } from '../../languageHandler';
 import dis from "../../dispatcher";
-import {focusCapturedRef} from "../../utils/Accessibility";
+import {ContextMenu} from "./ContextualMenu";
+import sdk from "../../index";
 
 const AVATAR_SIZE = 28;
 
@@ -40,11 +39,8 @@ export default class TopLeftMenuButton extends React.Component {
         super();
         this.state = {
             menuDisplayed: false,
-            menuFunctions: null, // should be { close: fn }
             profileInfo: null,
         };
-
-        this.onToggleMenu = this.onToggleMenu.bind(this);
     }
 
     async _getProfileInfo() {
@@ -95,7 +91,21 @@ export default class TopLeftMenuButton extends React.Component {
         }
     }
 
+    openMenu = (e) => {
+        e.preventDefault();
+        e.stopPropagation();
+        this.setState({ menuDisplayed: true });
+    };
+
+    closeMenu = () => {
+        this.setState({
+            menuDisplayed: false,
+        });
+    };
+
     render() {
+        const cli = MatrixClientPeg.get().getUserId();
+
         const name = this._getDisplayName();
         let nameElement;
         let chevronElement;
@@ -106,10 +116,28 @@ export default class TopLeftMenuButton extends React.Component {
             chevronElement = <span className="mx_TopLeftMenuButton_chevron" />;
         }
 
-        return (
+        let contextMenu;
+        if (this.state.menuDisplayed) {
+            const elementRect = this._buttonRef.getBoundingClientRect();
+            const x = elementRect.left;
+            const y = elementRect.top + elementRect.height;
+
+            const props = {
+                chevronFace: "none",
+                left: x,
+                top: y,
+            };
+
+            contextMenu = <ContextMenu props={props} onFinished={this.closeMenu}>
+                <TopLeftMenu displayName={name} userId={cli} onFinished={this.closeMenu} />
+            </ContextMenu>;
+        }
+
+        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+        return <React.Fragment>
             <AccessibleButton
                 className="mx_TopLeftMenuButton"
-                onClick={this.onToggleMenu}
+                onClick={this.openMenu}
                 inputRef={(r) => this._buttonRef = r}
                 aria-label={_t("Your profile")}
                 aria-haspopup={true}
@@ -126,33 +154,8 @@ export default class TopLeftMenuButton extends React.Component {
                 { nameElement }
                 { chevronElement }
             </AccessibleButton>
-        );
-    }
 
-    onToggleMenu(e) {
-        e.preventDefault();
-        e.stopPropagation();
-
-        if (this.state.menuDisplayed && this.state.menuFunctions) {
-            this.state.menuFunctions.close();
-            return;
-        }
-
-        const elementRect = e.currentTarget.getBoundingClientRect();
-        const x = elementRect.left;
-        const y = elementRect.top + elementRect.height;
-
-        const menuFunctions = ContextualMenu.createMenu(TopLeftMenu, {
-            chevronFace: "none",
-            left: x,
-            top: y,
-            userId: MatrixClientPeg.get().getUserId(),
-            displayName: this._getDisplayName(),
-            containerRef: focusCapturedRef, // Focus the TopLeftMenu on first render
-            onFinished: () => {
-                this.setState({ menuDisplayed: false, menuFunctions: null });
-            },
-        });
-        this.setState({ menuDisplayed: true, menuFunctions });
+            { contextMenu }
+        </React.Fragment>;
     }
 }
diff --git a/src/components/views/context_menus/GroupInviteTileContextMenu.js b/src/components/views/context_menus/GroupInviteTileContextMenu.js
index 8c0d9c215b..093e6045c7 100644
--- a/src/components/views/context_menus/GroupInviteTileContextMenu.js
+++ b/src/components/views/context_menus/GroupInviteTileContextMenu.js
@@ -22,6 +22,7 @@ import { _t } from '../../../languageHandler';
 import Modal from '../../../Modal';
 import {Group} from 'matrix-js-sdk';
 import GroupStore from "../../../stores/GroupStore";
+import {MenuItem} from "../../structures/ContextualMenu";
 
 export default class GroupInviteTileContextMenu extends React.Component {
     static propTypes = {
@@ -36,7 +37,7 @@ export default class GroupInviteTileContextMenu extends React.Component {
         this._onClickReject = this._onClickReject.bind(this);
     }
 
-    componentWillMount() {
+    componentDidMount() {
         this._unmounted = false;
     }
 
@@ -78,12 +79,11 @@ export default class GroupInviteTileContextMenu extends React.Component {
     }
 
     render() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         return <div>
-            <AccessibleButton className="mx_RoomTileContextMenu_leave" onClick={this._onClickReject} >
-                <img className="mx_RoomTileContextMenu_tag_icon" src={require("../../../../res/img/icon_context_delete.svg")} width="15" height="15" />
+            <MenuItem className="mx_RoomTileContextMenu_leave" onClick={this._onClickReject}>
+                <img className="mx_RoomTileContextMenu_tag_icon" src={require("../../../../res/img/icon_context_delete.svg")} width="15" height="15" alt="" />
                 { _t('Reject') }
-            </AccessibleButton>
+            </MenuItem>
         </div>;
     }
 }
diff --git a/src/components/views/context_menus/RoomTileContextMenu.js b/src/components/views/context_menus/RoomTileContextMenu.js
index 9bb573026f..6b1149cca1 100644
--- a/src/components/views/context_menus/RoomTileContextMenu.js
+++ b/src/components/views/context_menus/RoomTileContextMenu.js
@@ -32,6 +32,36 @@ import * as RoomNotifs from '../../../RoomNotifs';
 import Modal from '../../../Modal';
 import RoomListActions from '../../../actions/RoomListActions';
 import RoomViewStore from '../../../stores/RoomViewStore';
+import {MenuItem, MenuItemCheckbox, MenuItemRadio} from "../../structures/ContextualMenu";
+
+const RoomTagOption = ({active, onClick, src, srcSet, label}) => {
+    const classes = classNames('mx_RoomTileContextMenu_tag_field', {
+        'mx_RoomTileContextMenu_tag_fieldSet': active,
+        'mx_RoomTileContextMenu_tag_fieldDisabled': false,
+    });
+
+    return (
+        <MenuItemCheckbox className={classes} onClick={onClick} active={active} label={label}>
+            <img className="mx_RoomTileContextMenu_tag_icon" src={src} width="15" height="15" alt="" />
+            <img className="mx_RoomTileContextMenu_tag_icon_set" src={srcSet} width="15" height="15" alt="" />
+            { label }
+        </MenuItemCheckbox>
+    );
+};
+
+const NotifOption = ({active, onClick, src, label}) => {
+    const classes = classNames('mx_RoomTileContextMenu_notif_field', {
+        'mx_RoomTileContextMenu_notif_fieldSet': active,
+    });
+
+    return (
+        <MenuItemRadio className={classes} onClick={onClick} active={active} label={label}>
+            <img className="mx_RoomTileContextMenu_notif_activeIcon" src={require("../../../../res/img/notif-active.svg")} width="12" height="12" alt="" />
+            <img className="mx_RoomTileContextMenu_notif_icon mx_filterFlipColor" src={src} width="16" height="12" alt="" />
+            { label }
+        </MenuItemRadio>
+    );
+};
 
 module.exports = createReactClass({
     displayName: 'RoomTileContextMenu',
@@ -228,53 +258,36 @@ module.exports = createReactClass({
     },
 
     _renderNotifMenu: function() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
-        const alertMeClasses = classNames({
-            'mx_RoomTileContextMenu_notif_field': true,
-            'mx_RoomTileContextMenu_notif_fieldSet': this.state.roomNotifState == RoomNotifs.ALL_MESSAGES_LOUD,
-        });
-
-        const allNotifsClasses = classNames({
-            'mx_RoomTileContextMenu_notif_field': true,
-            'mx_RoomTileContextMenu_notif_fieldSet': this.state.roomNotifState == RoomNotifs.ALL_MESSAGES,
-        });
-
-        const mentionsClasses = classNames({
-            'mx_RoomTileContextMenu_notif_field': true,
-            'mx_RoomTileContextMenu_notif_fieldSet': this.state.roomNotifState == RoomNotifs.MENTIONS_ONLY,
-        });
-
-        const muteNotifsClasses = classNames({
-            'mx_RoomTileContextMenu_notif_field': true,
-            'mx_RoomTileContextMenu_notif_fieldSet': this.state.roomNotifState == RoomNotifs.MUTE,
-        });
-
         return (
-            <div className="mx_RoomTileContextMenu">
-                <div className="mx_RoomTileContextMenu_notif_picker">
-                    <img src={require("../../../../res/img/notif-slider.svg")} width="20" height="107" />
+            <div className="mx_RoomTileContextMenu" role="group" aria-label={_t("Notification settings")}>
+                <div className="mx_RoomTileContextMenu_notif_picker" role="presentation">
+                    <img src={require("../../../../res/img/notif-slider.svg")} width="20" height="107" alt="" />
                 </div>
-                <AccessibleButton className={alertMeClasses} onClick={this._onClickAlertMe}>
-                    <img className="mx_RoomTileContextMenu_notif_activeIcon" src={require("../../../../res/img/notif-active.svg")} width="12" height="12" />
-                    <img className="mx_RoomTileContextMenu_notif_icon mx_filterFlipColor" src={require("../../../../res/img/icon-context-mute-off-copy.svg")} width="16" height="12" />
-                    { _t('All messages (noisy)') }
-                </AccessibleButton>
-                <AccessibleButton className={allNotifsClasses} onClick={this._onClickAllNotifs}>
-                    <img className="mx_RoomTileContextMenu_notif_activeIcon" src={require("../../../../res/img/notif-active.svg")} width="12" height="12" />
-                    <img className="mx_RoomTileContextMenu_notif_icon mx_filterFlipColor" src={require("../../../../res/img/icon-context-mute-off.svg")} width="16" height="12" />
-                    { _t('All messages') }
-                </AccessibleButton>
-                <AccessibleButton className={mentionsClasses} onClick={this._onClickMentions}>
-                    <img className="mx_RoomTileContextMenu_notif_activeIcon" src={require("../../../../res/img/notif-active.svg")} width="12" height="12" />
-                    <img className="mx_RoomTileContextMenu_notif_icon mx_filterFlipColor" src={require("../../../../res/img/icon-context-mute-mentions.svg")} width="16" height="12" />
-                    { _t('Mentions only') }
-                </AccessibleButton>
-                <AccessibleButton className={muteNotifsClasses} onClick={this._onClickMute}>
-                    <img className="mx_RoomTileContextMenu_notif_activeIcon" src={require("../../../../res/img/notif-active.svg")} width="12" height="12" />
-                    <img className="mx_RoomTileContextMenu_notif_icon mx_filterFlipColor" src={require("../../../../res/img/icon-context-mute.svg")} width="16" height="12" />
-                    { _t('Mute') }
-                </AccessibleButton>
+
+                <NotifOption
+                    active={this.state.roomNotifState === RoomNotifs.ALL_MESSAGES_LOUD}
+                    label={_t('All messages (noisy)')}
+                    onClick={this._onClickAlertMe}
+                    src={require("../../../../res/img/icon-context-mute-off-copy.svg")}
+                />
+                <NotifOption
+                    active={this.state.roomNotifState === RoomNotifs.ALL_MESSAGES}
+                    label={_t('All messages')}
+                    onClick={this._onClickAllNotifs}
+                    src={require("../../../../res/img/icon-context-mute-off.svg")}
+                />
+                <NotifOption
+                    active={this.state.roomNotifState === RoomNotifs.MENTIONS_ONLY}
+                    label={_t('Mentions only')}
+                    onClick={this._onClickMentions}
+                    src={require("../../../../res/img/icon-context-mute-mentions.svg")}
+                />
+                <NotifOption
+                    active={this.state.roomNotifState === RoomNotifs.MUTE}
+                    label={_t('Mute')}
+                    onClick={this._onClickMute}
+                    src={require("../../../../res/img/icon-context-mute.svg")}
+                />
             </div>
         );
     },
@@ -290,13 +303,12 @@ module.exports = createReactClass({
     },
 
     _renderSettingsMenu: function() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         return (
             <div>
-                <AccessibleButton className="mx_RoomTileContextMenu_tag_field" onClick={this._onClickSettings} >
-                    <img className="mx_RoomTileContextMenu_tag_icon" src={require("../../../../res/img/icons-settings-room.svg")} width="15" height="15" />
+                <MenuItem className="mx_RoomTileContextMenu_tag_field" onClick={this._onClickSettings}>
+                    <img className="mx_RoomTileContextMenu_tag_icon" src={require("../../../../res/img/icons-settings-room.svg")} width="15" height="15" alt="" />
                     { _t('Settings') }
-                </AccessibleButton>
+                </MenuItem>
             </div>
         );
     },
@@ -329,52 +341,38 @@ module.exports = createReactClass({
 
         return (
             <div>
-                <AccessibleButton className="mx_RoomTileContextMenu_leave" onClick={leaveClickHandler} >
-                    <img className="mx_RoomTileContextMenu_tag_icon" src={require("../../../../res/img/icon_context_delete.svg")} width="15" height="15" />
+                <MenuItem className="mx_RoomTileContextMenu_leave" onClick={leaveClickHandler}>
+                    <img className="mx_RoomTileContextMenu_tag_icon" src={require("../../../../res/img/icon_context_delete.svg")} width="15" height="15" alt="" />
                     { leaveText }
-                </AccessibleButton>
+                </MenuItem>
             </div>
         );
     },
 
     _renderRoomTagMenu: function() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
-        const favouriteClasses = classNames({
-            'mx_RoomTileContextMenu_tag_field': true,
-            'mx_RoomTileContextMenu_tag_fieldSet': this.state.isFavourite,
-            'mx_RoomTileContextMenu_tag_fieldDisabled': false,
-        });
-
-        const lowPriorityClasses = classNames({
-            'mx_RoomTileContextMenu_tag_field': true,
-            'mx_RoomTileContextMenu_tag_fieldSet': this.state.isLowPriority,
-            'mx_RoomTileContextMenu_tag_fieldDisabled': false,
-        });
-
-        const dmClasses = classNames({
-            'mx_RoomTileContextMenu_tag_field': true,
-            'mx_RoomTileContextMenu_tag_fieldSet': this.state.isDirectMessage,
-            'mx_RoomTileContextMenu_tag_fieldDisabled': false,
-        });
-
         return (
             <div>
-                <AccessibleButton className={favouriteClasses} onClick={this._onClickFavourite} >
-                    <img className="mx_RoomTileContextMenu_tag_icon" src={require("../../../../res/img/icon_context_fave.svg")} width="15" height="15" />
-                    <img className="mx_RoomTileContextMenu_tag_icon_set" src={require("../../../../res/img/icon_context_fave_on.svg")} width="15" height="15" />
-                    { _t('Favourite') }
-                </AccessibleButton>
-                <AccessibleButton className={lowPriorityClasses} onClick={this._onClickLowPriority} >
-                    <img className="mx_RoomTileContextMenu_tag_icon" src={require("../../../../res/img/icon_context_low.svg")} width="15" height="15" />
-                    <img className="mx_RoomTileContextMenu_tag_icon_set" src={require("../../../../res/img/icon_context_low_on.svg")} width="15" height="15" />
-                    { _t('Low Priority') }
-                </AccessibleButton>
-                <AccessibleButton className={dmClasses} onClick={this._onClickDM} >
-                    <img className="mx_RoomTileContextMenu_tag_icon" src={require("../../../../res/img/icon_context_person.svg")} width="15" height="15" />
-                    <img className="mx_RoomTileContextMenu_tag_icon_set" src={require("../../../../res/img/icon_context_person_on.svg")} width="15" height="15" />
-                    { _t('Direct Chat') }
-                </AccessibleButton>
+                <RoomTagOption
+                    active={this.state.isFavourite}
+                    label={_t('Favourite')}
+                    onClick={this._onClickFavourite}
+                    src={require("../../../../res/img/icon_context_fave.svg")}
+                    srcSet={require("../../../../res/img/icon_context_fave_on.svg")}
+                />
+                <RoomTagOption
+                    active={this.state.isLowPriority}
+                    label={_t('Low Priority')}
+                    onClick={this._onClickLowPriority}
+                    src={require("../../../../res/img/icon_context_low.svg")}
+                    srcSet={require("../../../../res/img/icon_context_low_on.svg")}
+                />
+                <RoomTagOption
+                    active={this.state.isDirectMessage}
+                    label={_t('Direct Chat')}
+                    onClick={this._onClickDM}
+                    src={require("../../../../res/img/icon_context_person.svg")}
+                    srcSet={require("../../../../res/img/icon_context_person_on.svg")}
+                />
             </div>
         );
     },
@@ -386,11 +384,11 @@ module.exports = createReactClass({
             case 'join':
                 return <div>
                     { this._renderNotifMenu() }
-                    <hr className="mx_RoomTileContextMenu_separator" />
+                    <hr className="mx_RoomTileContextMenu_separator" role="separator" />
                     { this._renderLeaveMenu(myMembership) }
-                    <hr className="mx_RoomTileContextMenu_separator" />
+                    <hr className="mx_RoomTileContextMenu_separator" role="separator" />
                     { this._renderRoomTagMenu() }
-                    <hr className="mx_RoomTileContextMenu_separator" />
+                    <hr className="mx_RoomTileContextMenu_separator" role="separator" />
                     { this._renderSettingsMenu() }
                 </div>;
             case 'invite':
@@ -400,7 +398,7 @@ module.exports = createReactClass({
             default:
                 return <div>
                     { this._renderLeaveMenu(myMembership) }
-                    <hr className="mx_RoomTileContextMenu_separator" />
+                    <hr className="mx_RoomTileContextMenu_separator" role="separator" />
                     { this._renderSettingsMenu() }
                 </div>;
         }
diff --git a/src/components/views/context_menus/TagTileContextMenu.js b/src/components/views/context_menus/TagTileContextMenu.js
index c0203a3ac8..3cfad4efe4 100644
--- a/src/components/views/context_menus/TagTileContextMenu.js
+++ b/src/components/views/context_menus/TagTileContextMenu.js
@@ -1,5 +1,6 @@
 /*
 Copyright 2018 New Vector Ltd
+Copyright 2019 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -16,11 +17,12 @@ limitations under the License.
 
 import React from 'react';
 import PropTypes from 'prop-types';
+import { MatrixClient } from 'matrix-js-sdk';
 import { _t } from '../../../languageHandler';
 import dis from '../../../dispatcher';
 import TagOrderActions from '../../../actions/TagOrderActions';
-import MatrixClientPeg from '../../../MatrixClientPeg';
 import sdk from '../../../index';
+import {MenuItem} from "../../structures/ContextualMenu";
 
 export default class TagTileContextMenu extends React.Component {
     static propTypes = {
@@ -29,6 +31,10 @@ export default class TagTileContextMenu extends React.Component {
         onFinished: PropTypes.func.isRequired,
     };
 
+    static contextTypes = {
+        matrixClient: PropTypes.instanceOf(MatrixClient),
+    };
+
     constructor() {
         super();
 
@@ -45,18 +51,15 @@ export default class TagTileContextMenu extends React.Component {
     }
 
     _onRemoveClick() {
-        dis.dispatch(TagOrderActions.removeTag(
-            // XXX: Context menus don't have a MatrixClient context
-            MatrixClientPeg.get(),
-            this.props.tag,
-        ));
+        dis.dispatch(TagOrderActions.removeTag(this.context.matrixClient, this.props.tag));
         this.props.onFinished();
     }
 
     render() {
         const TintableSvg = sdk.getComponent("elements.TintableSvg");
+
         return <div>
-            <div className="mx_TagTileContextMenu_item" onClick={this._onViewCommunityClick} >
+            <MenuItem className="mx_TagTileContextMenu_item" onClick={this._onViewCommunityClick}>
                 <TintableSvg
                     className="mx_TagTileContextMenu_item_icon"
                     src={require("../../../../res/img/icons-groups.svg")}
@@ -64,12 +67,12 @@ export default class TagTileContextMenu extends React.Component {
                     height="15"
                 />
                 { _t('View Community') }
-            </div>
-            <hr className="mx_TagTileContextMenu_separator" />
-            <div className="mx_TagTileContextMenu_item" onClick={this._onRemoveClick} >
-                <img className="mx_TagTileContextMenu_item_icon" src={require("../../../../res/img/icon_context_delete.svg")} width="15" height="15" />
+            </MenuItem>
+            <hr className="mx_TagTileContextMenu_separator" role="separator" />
+            <MenuItem className="mx_TagTileContextMenu_item" onClick={this._onRemoveClick}>
+                <img className="mx_TagTileContextMenu_item_icon" src={require("../../../../res/img/icon_context_delete.svg")} width="15" height="15" alt="" />
                 { _t('Hide') }
-            </div>
+            </MenuItem>
         </div>;
     }
 }
diff --git a/src/components/views/context_menus/TopLeftMenu.js b/src/components/views/context_menus/TopLeftMenu.js
index 815d0a5f55..d5b6817b00 100644
--- a/src/components/views/context_menus/TopLeftMenu.js
+++ b/src/components/views/context_menus/TopLeftMenu.js
@@ -25,6 +25,7 @@ import SdkConfig from '../../../SdkConfig';
 import { getHostingLink } from '../../../utils/HostingLink';
 import MatrixClientPeg from '../../../MatrixClientPeg';
 import sdk from "../../../index";
+import {MenuItem} from "../../structures/ContextualMenu";
 
 export class TopLeftMenu extends React.Component {
     static propTypes = {
@@ -58,8 +59,6 @@ export class TopLeftMenu extends React.Component {
     }
 
     render() {
-        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
-
         const isGuest = MatrixClientPeg.get().isGuest();
 
         const hostingSignupLink = getHostingLink('user-context-menu');
@@ -69,10 +68,10 @@ export class TopLeftMenu extends React.Component {
                 {_t(
                     "<a>Upgrade</a> to your own domain", {},
                     {
-                        a: sub => <a href={hostingSignupLink} target="_blank" rel="noopener" tabIndex="0">{sub}</a>,
+                        a: sub => <a href={hostingSignupLink} target="_blank" rel="noopener" tabIndex={-1}>{sub}</a>,
                     },
                 )}
-                <a href={hostingSignupLink} target="_blank" rel="noopener" aria-hidden={true}>
+                <a href={hostingSignupLink} target="_blank" rel="noopener" role="presentation" aria-hidden={true} tabIndex={-1}>
                     <img src={require("../../../../res/img/external-link.svg")} width="11" height="10" alt='' />
                 </a>
             </div>;
@@ -81,40 +80,40 @@ export class TopLeftMenu extends React.Component {
         let homePageItem = null;
         if (this.hasHomePage()) {
             homePageItem = (
-                <AccessibleButton element="li" className="mx_TopLeftMenu_icon_home" onClick={this.viewHomePage}>
+                <MenuItem className="mx_TopLeftMenu_icon_home" onClick={this.viewHomePage}>
                     {_t("Home")}
-                </AccessibleButton>
+                </MenuItem>
             );
         }
 
         let signInOutItem;
         if (isGuest) {
             signInOutItem = (
-                <AccessibleButton element="li" className="mx_TopLeftMenu_icon_signin" onClick={this.signIn}>
+                <MenuItem className="mx_TopLeftMenu_icon_signin" onClick={this.signIn}>
                     {_t("Sign in")}
-                </AccessibleButton>
+                </MenuItem>
             );
         } else {
             signInOutItem = (
-                <AccessibleButton element="li" className="mx_TopLeftMenu_icon_signout" onClick={this.signOut}>
+                <MenuItem className="mx_TopLeftMenu_icon_signout" onClick={this.signOut}>
                     {_t("Sign out")}
-                </AccessibleButton>
+                </MenuItem>
             );
         }
 
         const settingsItem = (
-            <AccessibleButton element="li" className="mx_TopLeftMenu_icon_settings" onClick={this.openSettings}>
+            <MenuItem className="mx_TopLeftMenu_icon_settings" onClick={this.openSettings}>
                 {_t("Settings")}
-            </AccessibleButton>
+            </MenuItem>
         );
 
-        return <div className="mx_TopLeftMenu" ref={this.props.containerRef}>
-            <div className="mx_TopLeftMenu_section_noIcon" aria-readonly={true}>
+        return <div className="mx_TopLeftMenu" ref={this.props.containerRef} role="menu">
+            <div className="mx_TopLeftMenu_section_noIcon" aria-readonly={true} tabIndex={-1}>
                 <div>{this.props.displayName}</div>
                 <div className="mx_TopLeftMenu_greyedText" aria-hidden={true}>{this.props.userId}</div>
                 {hostingSignup}
             </div>
-            <ul className="mx_TopLeftMenu_section_withIcon">
+            <ul className="mx_TopLeftMenu_section_withIcon" role="none">
                 {homePageItem}
                 {settingsItem}
                 {signInOutItem}
diff --git a/src/components/views/elements/TagTile.js b/src/components/views/elements/TagTile.js
index 2355cae820..03d7f61204 100644
--- a/src/components/views/elements/TagTile.js
+++ b/src/components/views/elements/TagTile.js
@@ -1,6 +1,7 @@
 /*
 Copyright 2017 New Vector Ltd.
 Copyright 2018 Michael Telatynski <7t3chguy@gmail.com>
+Copyright 2019 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -15,7 +16,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React from 'react';
+import React, {createRef} from 'react';
 import PropTypes from 'prop-types';
 import createReactClass from 'create-react-class';
 import classNames from 'classnames';
@@ -23,12 +24,12 @@ import { MatrixClient } from 'matrix-js-sdk';
 import sdk from '../../../index';
 import dis from '../../../dispatcher';
 import { isOnlyCtrlOrCmdIgnoreShiftKeyEvent } from '../../../Keyboard';
-import * as ContextualMenu from '../../structures/ContextualMenu';
 import * as FormattingUtils from '../../../utils/FormattingUtils';
 
 import FlairStore from '../../../stores/FlairStore';
 import GroupStore from '../../../stores/GroupStore';
 import TagOrderStore from '../../../stores/TagOrderStore';
+import {ContextMenu} from "../../structures/ContextualMenu";
 
 // A class for a child of TagPanel (possibly wrapped in a DNDTagTile) that represents
 // a thing to click on for the user to filter the visible rooms in the RoomList to:
@@ -58,6 +59,8 @@ export default createReactClass({
     },
 
     componentDidMount() {
+        this._contextMenuButton = createRef();
+
         this.unmounted = false;
         if (this.props.tag[0] === '+') {
             FlairStore.addListener('updateGroupProfile', this._onFlairStoreUpdated);
@@ -107,53 +110,33 @@ export default createReactClass({
         }
     },
 
-    _openContextMenu: function(x, y, chevronOffset) {
-        // Hide the (...) immediately
-        this.setState({ hover: false });
-
-        const TagTileContextMenu = sdk.getComponent('context_menus.TagTileContextMenu');
-        ContextualMenu.createMenu(TagTileContextMenu, {
-            chevronOffset: chevronOffset,
-            left: x,
-            top: y,
-            tag: this.props.tag,
-            onFinished: () => {
-                this.setState({ menuDisplayed: false });
-            },
-        });
-        this.setState({ menuDisplayed: true });
-    },
-
-    onContextButtonClick: function(e) {
-        e.preventDefault();
-        e.stopPropagation();
-
-        const elementRect = e.target.getBoundingClientRect();
-
-        // The window X and Y offsets are to adjust position when zoomed in to page
-        const x = elementRect.right + window.pageXOffset + 3;
-        const chevronOffset = 12;
-        let y = (elementRect.top + (elementRect.height / 2) + window.pageYOffset);
-        y = y - (chevronOffset + 8); // where 8 is half the height of the chevron
-
-        this._openContextMenu(x, y, chevronOffset);
-    },
-
-    onContextMenu: function(e) {
-        e.preventDefault();
-
-        const chevronOffset = 12;
-        this._openContextMenu(e.clientX, e.clientY - (chevronOffset + 8), chevronOffset);
-    },
-
     onMouseOver: function() {
+        console.log("DEBUG onMouseOver");
         this.setState({hover: true});
     },
 
     onMouseOut: function() {
+        console.log("DEBUG onMouseOut");
         this.setState({hover: false});
     },
 
+    openMenu: function(e) {
+        // Prevent the TagTile onClick event firing as well
+        e.stopPropagation();
+        e.preventDefault();
+
+        this.setState({
+            menuDisplayed: true,
+            hover: false,
+        });
+    },
+
+    closeMenu: function() {
+        this.setState({
+            menuDisplayed: false,
+        });
+    },
+
     render: function() {
         const BaseAvatar = sdk.getComponent('avatars.BaseAvatar');
         const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
@@ -184,23 +167,47 @@ export default createReactClass({
         const tip = this.state.hover ?
             <Tooltip className="mx_TagTile_tooltip" label={name} /> :
             <div />;
+        // FIXME: this ought to use AccessibleButton for a11y but that causes onMouseOut/onMouseOver to fire too much
         const contextButton = this.state.hover || this.state.menuDisplayed ?
-            <div className="mx_TagTile_context_button" onClick={this.onContextButtonClick}>
+            <div className="mx_TagTile_context_button" onClick={this.openMenu} ref={this._contextMenuButton}>
                 { "\u00B7\u00B7\u00B7" }
-            </div> : <div />;
-        return <AccessibleButton className={className} onClick={this.onClick} onContextMenu={this.onContextMenu}>
-            <div className="mx_TagTile_avatar" onMouseOver={this.onMouseOver} onMouseOut={this.onMouseOut}>
-                <BaseAvatar
-                    name={name}
-                    idName={this.props.tag}
-                    url={httpUrl}
-                    width={avatarHeight}
-                    height={avatarHeight}
-                />
-                { tip }
-                { contextButton }
-                { badgeElement }
-            </div>
-        </AccessibleButton>;
+            </div> : <div ref={this._contextMenuButton} />;
+
+        let contextMenu;
+        if (this.state.menuDisplayed) {
+            const elementRect = this._contextMenuButton.current.getBoundingClientRect();
+
+            // The window X and Y offsets are to adjust position when zoomed in to page
+            const left = elementRect.right + window.pageXOffset + 3;
+            const chevronOffset = 12;
+            let top = (elementRect.top + (elementRect.height / 2) + window.pageYOffset);
+            top = top - (chevronOffset + 8); // where 8 is half the height of the chevron
+
+            const TagTileContextMenu = sdk.getComponent('context_menus.TagTileContextMenu');
+            contextMenu = (
+                <ContextMenu props={{ left, top, chevronOffset }} onFinished={this.closeMenu}>
+                    <TagTileContextMenu tag={this.props.tag} onFinished={this.closeMenu} />
+                </ContextMenu>
+            );
+        }
+
+        return <React.Fragment>
+            <AccessibleButton className={className} onClick={this.onClick} onContextMenu={this.openMenu}>
+                <div className="mx_TagTile_avatar" onMouseOver={this.onMouseOver} onMouseOut={this.onMouseOut}>
+                    <BaseAvatar
+                        name={name}
+                        idName={this.props.tag}
+                        url={httpUrl}
+                        width={avatarHeight}
+                        height={avatarHeight}
+                    />
+                    { tip }
+                    { contextButton }
+                    { badgeElement }
+                </div>
+            </AccessibleButton>
+
+            { contextMenu }
+        </React.Fragment>;
     },
 });
diff --git a/src/components/views/emojipicker/ReactionPicker.js b/src/components/views/emojipicker/ReactionPicker.js
index 5e506f39d1..c051ab40bb 100644
--- a/src/components/views/emojipicker/ReactionPicker.js
+++ b/src/components/views/emojipicker/ReactionPicker.js
@@ -23,7 +23,6 @@ class ReactionPicker extends React.Component {
     static propTypes = {
         mxEvent: PropTypes.object.isRequired,
         onFinished: PropTypes.func.isRequired,
-        closeMenu: PropTypes.func.isRequired,
         reactions: PropTypes.object,
     };
 
@@ -89,7 +88,6 @@ class ReactionPicker extends React.Component {
 
     onChoose(reaction) {
         this.componentWillUnmount();
-        this.props.closeMenu();
         this.props.onFinished();
         const myReactions = this.getReactions();
         if (myReactions.hasOwnProperty(reaction)) {
diff --git a/src/components/views/groups/GroupInviteTile.js b/src/components/views/groups/GroupInviteTile.js
index 7d7275c55b..99427acb03 100644
--- a/src/components/views/groups/GroupInviteTile.js
+++ b/src/components/views/groups/GroupInviteTile.js
@@ -1,6 +1,7 @@
 /*
 Copyright 2017, 2018 New Vector Ltd
 Copyright 2018 Michael Telatynski <7t3chguy@gmail.com>
+Copyright 2019 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -15,16 +16,15 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React from 'react';
+import React, {createRef} from 'react';
 import PropTypes from 'prop-types';
 import createReactClass from 'create-react-class';
 import { MatrixClient } from 'matrix-js-sdk';
 import sdk from '../../../index';
 import dis from '../../../dispatcher';
-import AccessibleButton from '../elements/AccessibleButton';
 import classNames from 'classnames';
 import MatrixClientPeg from "../../../MatrixClientPeg";
-import {createMenu} from "../../structures/ContextualMenu";
+import {ContextMenu} from "../../structures/ContextualMenu";
 
 export default createReactClass({
     displayName: 'GroupInviteTile',
@@ -46,6 +46,10 @@ export default createReactClass({
         });
     },
 
+    componentDidMount: function() {
+        this._contextMenuButton = createRef();
+    },
+
     onClick: function(e) {
         dis.dispatch({
             action: 'view_group',
@@ -69,54 +73,34 @@ export default createReactClass({
         });
     },
 
-    _showContextMenu: function(x, y, chevronOffset) {
-        const GroupInviteTileContextMenu = sdk.getComponent('context_menus.GroupInviteTileContextMenu');
-
-        createMenu(GroupInviteTileContextMenu, {
-            chevronOffset,
-            left: x,
-            top: y,
-            group: this.props.group,
-            onFinished: () => {
-                this.setState({ menuDisplayed: false });
-            },
-        });
-        this.setState({ menuDisplayed: true });
-    },
-
-    onContextMenu: function(e) {
-        // Prevent the RoomTile onClick event firing as well
-        e.preventDefault();
+    openMenu: function(e) {
         // Only allow non-guests to access the context menu
         if (MatrixClientPeg.get().isGuest()) return;
 
-        const chevronOffset = 12;
-        this._showContextMenu(e.clientX, e.clientY - (chevronOffset + 8), chevronOffset);
-    },
-
-    onBadgeClicked: function(e) {
-        // Prevent the RoomTile onClick event firing as well
+        // Prevent the GroupInviteTile onClick event firing as well
         e.stopPropagation();
-        // Only allow non-guests to access the context menu
-        if (MatrixClientPeg.get().isGuest()) return;
+        e.preventDefault();
+
+        const state = {
+            menuDisplayed: true,
+        };
 
         // If the badge is clicked, then no longer show tooltip
         if (this.props.collapsed) {
-            this.setState({ hover: false });
+            state.hover = false;
         }
 
-        const elementRect = e.target.getBoundingClientRect();
+        this.setState(state);
+    },
 
-        // The window X and Y offsets are to adjust position when zoomed in to page
-        const x = elementRect.right + window.pageXOffset + 3;
-        const chevronOffset = 12;
-        let y = (elementRect.top + (elementRect.height / 2) + window.pageYOffset);
-        y = y - (chevronOffset + 8); // where 8 is half the height of the chevron
-
-        this._showContextMenu(x, y, chevronOffset);
+    closeMenu: function() {
+        this.setState({
+            menuDisplayed: false,
+        });
     },
 
     render: function() {
+        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         const BaseAvatar = sdk.getComponent('avatars.BaseAvatar');
 
         const groupName = this.props.group.name || this.props.group.groupId;
@@ -139,7 +123,11 @@ export default createReactClass({
         });
 
         const badgeContent = badgeEllipsis ? '\u00B7\u00B7\u00B7' : '!';
-        const badge = <div className={badgeClasses} onClick={this.onBadgeClicked}>{ badgeContent }</div>;
+        const badge = (
+            <AccessibleButton className={badgeClasses} inputRef={this._contextMenuButton} onClick={this.openMenu}>
+                { badgeContent }
+            </AccessibleButton>
+        );
 
         let tooltip;
         if (this.props.collapsed && this.state.hover) {
@@ -153,12 +141,30 @@ export default createReactClass({
             'mx_GroupInviteTile': true,
         });
 
-        return (
-            <AccessibleButton className={classes}
-                              onClick={this.onClick}
-                              onMouseEnter={this.onMouseEnter}
-                              onMouseLeave={this.onMouseLeave}
-                              onContextMenu={this.onContextMenu}
+        let contextMenu;
+        if (this.state.menuDisplayed) {
+            const elementRect = this._contextMenuButton.current.getBoundingClientRect();
+            // The window X and Y offsets are to adjust position when zoomed in to page
+            const left = elementRect.right + window.pageXOffset + 3;
+            const chevronOffset = 12;
+            let top = (elementRect.top + (elementRect.height / 2) + window.pageYOffset);
+            top = top - (chevronOffset + 8); // where 8 is half the height of the chevron
+
+            const GroupInviteTileContextMenu = sdk.getComponent('context_menus.GroupInviteTileContextMenu');
+            contextMenu = (
+                <ContextMenu props={{ left, top, chevronOffset }} onFinished={this.closeMenu}>
+                    <GroupInviteTileContextMenu group={this.props.group} onFinished={this.closeMenu} />
+                </ContextMenu>
+            );
+        }
+
+        return <React.Fragment>
+            <AccessibleButton
+                className={classes}
+                onClick={this.onClick}
+                onMouseEnter={this.onMouseEnter}
+                onMouseLeave={this.onMouseLeave}
+                onContextMenu={this.onContextMenu}
             >
                 <div className="mx_RoomTile_avatar">
                     { av }
@@ -169,6 +175,8 @@ export default createReactClass({
                 </div>
                 { tooltip }
             </AccessibleButton>
-        );
+
+            { contextMenu }
+        </React.Fragment>;
     },
 });
diff --git a/src/components/views/messages/MessageActionBar.js b/src/components/views/messages/MessageActionBar.js
index acd8263410..b67107eebf 100644
--- a/src/components/views/messages/MessageActionBar.js
+++ b/src/components/views/messages/MessageActionBar.js
@@ -1,6 +1,7 @@
 /*
 Copyright 2019 New Vector Ltd
 Copyright 2019 Michael Telatynski <7t3chguy@gmail.com>
+Copyright 2019 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -15,17 +16,146 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React from 'react';
+import React, {useState, useEffect, useRef} from 'react';
 import PropTypes from 'prop-types';
 
 import { _t } from '../../../languageHandler';
 import sdk from '../../../index';
 import dis from '../../../dispatcher';
 import Modal from '../../../Modal';
-import { createMenu } from '../../structures/ContextualMenu';
+import {ContextMenu} from '../../structures/ContextualMenu';
 import { isContentActionable, canEditContent } from '../../../utils/EventUtils';
 import {RoomContext} from "../../structures/RoomView";
 
+const useContextMenu = () => {
+    const _button = useRef(null);
+    const [isOpen, setIsOpen] = useState(false);
+    const open = () => {
+        setIsOpen(true);
+    };
+    const close = () => {
+        setIsOpen(false);
+    };
+
+    return [isOpen, _button, open, close, setIsOpen];
+};
+
+const OptionsButton = ({mxEvent, getTile, getReplyThread, permalinkCreator, onFocusChange}) => {
+    const [menuDisplayed, _button, openMenu, closeMenu] = useContextMenu();
+    useEffect(() => {
+        onFocusChange(menuDisplayed);
+    }, [onFocusChange, menuDisplayed]);
+
+    let contextMenu;
+    if (menuDisplayed) {
+        const MessageContextMenu = sdk.getComponent('context_menus.MessageContextMenu');
+
+        const tile = getTile && getTile();
+        const replyThread = getReplyThread && getReplyThread();
+
+        const onCryptoClick = () => {
+            Modal.createTrackedDialogAsync('Encrypted Event Dialog', '',
+                import('../../../async-components/views/dialogs/EncryptedEventDialog'),
+                {event: mxEvent},
+            );
+        };
+
+        let e2eInfoCallback = null;
+        if (mxEvent.isEncrypted()) {
+            e2eInfoCallback = onCryptoClick;
+        }
+
+        const menuOptions = {
+            chevronFace: "none",
+        };
+
+        const buttonRect = _button.current.getBoundingClientRect();
+        // The window X and Y offsets are to adjust position when zoomed in to page
+        const buttonRight = buttonRect.right + window.pageXOffset;
+        const buttonBottom = buttonRect.bottom + window.pageYOffset;
+        const buttonTop = buttonRect.top + window.pageYOffset;
+        // Align the right edge of the menu to the right edge of the button
+        menuOptions.right = window.innerWidth - buttonRight;
+        // Align the menu vertically on whichever side of the button has more
+        // space available.
+        if (buttonBottom < window.innerHeight / 2) {
+            menuOptions.top = buttonBottom;
+        } else {
+            menuOptions.bottom = window.innerHeight - buttonTop;
+        }
+
+        contextMenu = <ContextMenu props={menuOptions} onFinished={closeMenu}>
+            <MessageContextMenu
+                mxEvent={mxEvent}
+                permalinkCreator={permalinkCreator}
+                eventTileOps={tile && tile.getEventTileOps ? tile.getEventTileOps() : undefined}
+                collapseReplyThread={replyThread && replyThread.canCollapse() ? replyThread.collapse : undefined}
+                e2eInfoCallback={e2eInfoCallback}
+                onFinished={closeMenu}
+            />
+        </ContextMenu>;
+    }
+
+    const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+    return <React.Fragment>
+        <AccessibleButton
+            className="mx_MessageActionBar_maskButton mx_MessageActionBar_optionsButton"
+            title={_t("Options")}
+            onClick={openMenu}
+            aria-haspopup={true}
+            aria-expanded={menuDisplayed}
+            inputRef={_button}
+        />
+
+        { contextMenu }
+    </React.Fragment>;
+};
+
+const ReactButton = ({mxEvent, reactions}) => {
+    const [menuDisplayed, _button, openMenu, closeMenu] = useContextMenu();
+
+    let contextMenu;
+    if (menuDisplayed) {
+        const menuOptions = {
+            chevronFace: "none",
+        };
+
+        const buttonRect = _button.current.getBoundingClientRect();
+        // The window X and Y offsets are to adjust position when zoomed in to page
+        const buttonRight = buttonRect.right + window.pageXOffset;
+        const buttonBottom = buttonRect.bottom + window.pageYOffset;
+        const buttonTop = buttonRect.top + window.pageYOffset;
+        // Align the right edge of the menu to the right edge of the button
+        menuOptions.right = window.innerWidth - buttonRight;
+        // Align the menu vertically on whichever side of the button has more
+        // space available.
+        if (buttonBottom < window.innerHeight / 2) {
+            menuOptions.top = buttonBottom;
+        } else {
+            menuOptions.bottom = window.innerHeight - buttonTop;
+        }
+
+        const ReactionPicker = sdk.getComponent('emojipicker.ReactionPicker');
+        contextMenu = <ContextMenu props={menuOptions} onFinished={closeMenu}>
+            <ReactionPicker mxEvent={mxEvent} reactions={reactions} onFinished={closeMenu} />
+        </ContextMenu>;
+    }
+
+    const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+    return <React.Fragment>
+        <AccessibleButton
+            className="mx_MessageActionBar_maskButton mx_MessageActionBar_reactButton"
+            title={_t("React")}
+            onClick={openMenu}
+            aria-haspopup={true}
+            aria-expanded={menuDisplayed}
+            inputRef={_button}
+        />
+
+        { contextMenu }
+    </React.Fragment>;
+};
+
 export default class MessageActionBar extends React.PureComponent {
     static propTypes = {
         mxEvent: PropTypes.object.isRequired,
@@ -62,14 +192,6 @@ export default class MessageActionBar extends React.PureComponent {
         this.props.onFocusChange(focused);
     };
 
-    onCryptoClick = () => {
-        const event = this.props.mxEvent;
-        Modal.createTrackedDialogAsync('Encrypted Event Dialog', '',
-            import('../../../async-components/views/dialogs/EncryptedEventDialog'),
-            {event},
-        );
-    };
-
     onReplyClick = (ev) => {
         dis.dispatch({
             action: 'reply_to_event',
@@ -84,71 +206,6 @@ export default class MessageActionBar extends React.PureComponent {
         });
     };
 
-    getMenuOptions = (ev) => {
-        const menuOptions = {};
-        const buttonRect = ev.target.getBoundingClientRect();
-        // The window X and Y offsets are to adjust position when zoomed in to page
-        const buttonRight = buttonRect.right + window.pageXOffset;
-        const buttonBottom = buttonRect.bottom + window.pageYOffset;
-        const buttonTop = buttonRect.top + window.pageYOffset;
-        // Align the right edge of the menu to the right edge of the button
-        menuOptions.right = window.innerWidth - buttonRight;
-        // Align the menu vertically on whichever side of the button has more
-        // space available.
-        if (buttonBottom < window.innerHeight / 2) {
-            menuOptions.top = buttonBottom;
-        } else {
-            menuOptions.bottom = window.innerHeight - buttonTop;
-        }
-        return menuOptions;
-    };
-
-    onReactClick = (ev) => {
-        const ReactionPicker = sdk.getComponent('emojipicker.ReactionPicker');
-
-        const menuOptions = {
-            ...this.getMenuOptions(ev),
-            mxEvent: this.props.mxEvent,
-            reactions: this.props.reactions,
-            chevronFace: "none",
-            onFinished: () => this.onFocusChange(false),
-        };
-
-        createMenu(ReactionPicker, menuOptions);
-
-        this.onFocusChange(true);
-    };
-
-    onOptionsClick = (ev) => {
-        const MessageContextMenu = sdk.getComponent('context_menus.MessageContextMenu');
-
-        const { getTile, getReplyThread } = this.props;
-        const tile = getTile && getTile();
-        const replyThread = getReplyThread && getReplyThread();
-
-        let e2eInfoCallback = null;
-        if (this.props.mxEvent.isEncrypted()) {
-            e2eInfoCallback = () => this.onCryptoClick();
-        }
-
-        const menuOptions = {
-            ...this.getMenuOptions(ev),
-            mxEvent: this.props.mxEvent,
-            chevronFace: "none",
-            permalinkCreator: this.props.permalinkCreator,
-            eventTileOps: tile && tile.getEventTileOps ? tile.getEventTileOps() : undefined,
-            collapseReplyThread: replyThread && replyThread.canCollapse() ? replyThread.collapse : undefined,
-            e2eInfoCallback: e2eInfoCallback,
-            onFinished: () => {
-                this.onFocusChange(false);
-            },
-        };
-
-        createMenu(MessageContextMenu, menuOptions);
-
-        this.onFocusChange(true);
-    };
-
     render() {
         const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
 
@@ -158,11 +215,7 @@ export default class MessageActionBar extends React.PureComponent {
 
         if (isContentActionable(this.props.mxEvent)) {
             if (this.context.room.canReact) {
-                reactButton = <AccessibleButton
-                    className="mx_MessageActionBar_maskButton mx_MessageActionBar_reactButton"
-                    title={_t("React")}
-                    onClick={this.onReactClick}
-                />;
+                reactButton = <ReactButton mxEvent={this.props.mxEvent} reactions={this.props.reactions} />;
             }
             if (this.context.room.canReply) {
                 replyButton = <AccessibleButton
@@ -185,11 +238,12 @@ export default class MessageActionBar extends React.PureComponent {
             {reactButton}
             {replyButton}
             {editButton}
-            <AccessibleButton
-                className="mx_MessageActionBar_maskButton mx_MessageActionBar_optionsButton"
-                title={_t("Options")}
-                onClick={this.onOptionsClick}
-                aria-haspopup={true}
+            <OptionsButton
+                mxEvent={this.props.mxEvent}
+                getReplyThread={this.props.getReplyThread}
+                getTile={this.props.getTile}
+                permalinkCreator={this.props.permalinkCreator}
+                onFocusChange={this.props.onFocusChange}
             />
         </div>;
     }
diff --git a/src/components/views/rooms/RoomTile.js b/src/components/views/rooms/RoomTile.js
index dc893f0049..9702b24eff 100644
--- a/src/components/views/rooms/RoomTile.js
+++ b/src/components/views/rooms/RoomTile.js
@@ -17,8 +17,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-
-import React from 'react';
+import React, {createRef} from 'react';
 import PropTypes from 'prop-types';
 import createReactClass from 'create-react-class';
 import classNames from 'classnames';
@@ -26,10 +25,9 @@ import dis from '../../../dispatcher';
 import MatrixClientPeg from '../../../MatrixClientPeg';
 import DMRoomMap from '../../../utils/DMRoomMap';
 import sdk from '../../../index';
-import {createMenu} from '../../structures/ContextualMenu';
+import {ContextMenu} from '../../structures/ContextualMenu';
 import * as RoomNotifs from '../../../RoomNotifs';
 import * as FormattingUtils from '../../../utils/FormattingUtils';
-import AccessibleButton from '../elements/AccessibleButton';
 import ActiveRoomObserver from '../../../ActiveRoomObserver';
 import RoomViewStore from '../../../stores/RoomViewStore';
 import SettingsStore from "../../../settings/SettingsStore";
@@ -147,6 +145,8 @@ module.exports = createReactClass({
     },
 
     componentDidMount: function() {
+        this._contextMenuButton = createRef();
+
         const cli = MatrixClientPeg.get();
         cli.on("accountData", this.onAccountData);
         cli.on("Room.name", this.onRoomName);
@@ -229,32 +229,6 @@ module.exports = createReactClass({
         this.badgeOnMouseLeave();
     },
 
-    _showContextMenu: function(x, y, chevronOffset) {
-        const RoomTileContextMenu = sdk.getComponent('context_menus.RoomTileContextMenu');
-
-        createMenu(RoomTileContextMenu, {
-            chevronOffset,
-            left: x,
-            top: y,
-            room: this.props.room,
-            onFinished: () => {
-                this.setState({ menuDisplayed: false });
-                this.props.refreshSubList();
-            },
-        });
-        this.setState({ menuDisplayed: true });
-    },
-
-    onContextMenu: function(e) {
-        // Prevent the RoomTile onClick event firing as well
-        e.preventDefault();
-        // Only allow non-guests to access the context menu
-        if (MatrixClientPeg.get().isGuest()) return;
-
-        const chevronOffset = 12;
-        this._showContextMenu(e.clientX, e.clientY - (chevronOffset + 8), chevronOffset);
-    },
-
     badgeOnMouseEnter: function() {
         // Only allow non-guests to access the context menu
         // and only change it if it needs to change
@@ -267,26 +241,31 @@ module.exports = createReactClass({
         this.setState( { badgeHover: false } );
     },
 
-    onOpenMenu: function(e) {
-        // Prevent the RoomTile onClick event firing as well
-        e.stopPropagation();
+    openMenu: function(e) {
         // Only allow non-guests to access the context menu
         if (MatrixClientPeg.get().isGuest()) return;
 
+        // Prevent the RoomTile onClick event firing as well
+        e.stopPropagation();
+        e.preventDefault();
+
+        const state = {
+            menuDisplayed: true,
+        };
+
         // If the badge is clicked, then no longer show tooltip
         if (this.props.collapsed) {
-            this.setState({ hover: false });
+            state.hover = false;
         }
 
-        const elementRect = e.target.getBoundingClientRect();
+        this.setState(state);
+    },
 
-        // The window X and Y offsets are to adjust position when zoomed in to page
-        const x = elementRect.right + window.pageXOffset + 3;
-        const chevronOffset = 12;
-        let y = (elementRect.top + (elementRect.height / 2) + window.pageYOffset);
-        y = y - (chevronOffset + 8); // where 8 is half the height of the chevron
-
-        this._showContextMenu(x, y, chevronOffset);
+    closeMenu: function() {
+        this.setState({
+            menuDisplayed: false,
+        });
+        this.props.refreshSubList();
     },
 
     render: function() {
@@ -360,9 +339,13 @@ module.exports = createReactClass({
         //    incomingCallBox = <IncomingCallBox incomingCall={ this.props.incomingCall }/>;
         //}
 
+        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
+
         let contextMenuButton;
         if (!MatrixClientPeg.get().isGuest()) {
-            contextMenuButton = <AccessibleButton className="mx_RoomTile_menuButton" onClick={this.onOpenMenu} />;
+            contextMenuButton = (
+                <AccessibleButton className="mx_RoomTile_menuButton" inputRef={this._contextMenuButton} onClick={this.openMenu} />
+            );
         }
 
         const RoomAvatar = sdk.getComponent('avatars.RoomAvatar');
@@ -393,32 +376,54 @@ module.exports = createReactClass({
             ariaLabel += " " + _t("Unread messages.");
         }
 
-        return <AccessibleButton tabIndex="0"
-                                 className={classes}
-                                 onClick={this.onClick}
-                                 onMouseEnter={this.onMouseEnter}
-                                 onMouseLeave={this.onMouseLeave}
-                                 onContextMenu={this.onContextMenu}
-                                 aria-label={ariaLabel}
-                                 aria-selected={this.state.selected}
-                                 role="treeitem"
-        >
-            <div className={avatarClasses}>
-                <div className="mx_RoomTile_avatar_container">
-                    <RoomAvatar room={this.props.room} width={24} height={24} />
-                    { dmIndicator }
+        let contextMenu;
+        if (this.state.menuDisplayed) {
+            const elementRect = this._contextMenuButton.current.getBoundingClientRect();
+            // The window X and Y offsets are to adjust position when zoomed in to page
+            const left = elementRect.right + window.pageXOffset + 3;
+            const chevronOffset = 12;
+            let top = (elementRect.top + (elementRect.height / 2) + window.pageYOffset);
+            top = top - (chevronOffset + 8); // where 8 is half the height of the chevron
+
+            const RoomTileContextMenu = sdk.getComponent('context_menus.RoomTileContextMenu');
+            contextMenu = (
+                <ContextMenu props={{ left, top, chevronOffset }} onFinished={this.closeMenu}>
+                    <RoomTileContextMenu room={this.props.room} onFinished={this.closeMenu} />
+                </ContextMenu>
+            );
+        }
+
+        return <React.Fragment>
+            <AccessibleButton
+                tabIndex="0"
+                className={classes}
+                onClick={this.onClick}
+                onMouseEnter={this.onMouseEnter}
+                onMouseLeave={this.onMouseLeave}
+                onContextMenu={this.openMenu}
+                aria-label={ariaLabel}
+                aria-selected={this.state.selected}
+                role="treeitem"
+            >
+                <div className={avatarClasses}>
+                    <div className="mx_RoomTile_avatar_container">
+                        <RoomAvatar room={this.props.room} width={24} height={24} />
+                        { dmIndicator }
+                    </div>
                 </div>
-            </div>
-            <div className="mx_RoomTile_nameContainer">
-                <div className="mx_RoomTile_labelContainer">
-                    { label }
-                    { subtextLabel }
+                <div className="mx_RoomTile_nameContainer">
+                    <div className="mx_RoomTile_labelContainer">
+                        { label }
+                        { subtextLabel }
+                    </div>
+                    { contextMenuButton }
+                    { badge }
                 </div>
-                { contextMenuButton }
-                { badge }
-            </div>
-            { /* { incomingCallBox } */ }
-            { tooltip }
-        </AccessibleButton>;
+                { /* { incomingCallBox } */ }
+                { tooltip }
+            </AccessibleButton>
+
+            { contextMenu }
+        </React.Fragment>;
     },
 });
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 5f6e327944..75be4205df 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -1494,6 +1494,7 @@
     "Report Content": "Report Content",
     "Failed to set Direct Message status of room": "Failed to set Direct Message status of room",
     "Failed to forget room %(errCode)s": "Failed to forget room %(errCode)s",
+    "Notification settings": "Notification settings",
     "All messages (noisy)": "All messages (noisy)",
     "All messages": "All messages",
     "Mentions only": "Mentions only",