Merge remote-tracking branch 'origin/develop' into matthew/e2e_backups

src/components/structures/ContextualMenu.js

@@ -1,5 +1,6 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
+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.
@@ -15,12 +16,10 @@ limitations under the License.
 */
 
 
-'use strict';
-
-const classNames = require('classnames');
-const React = require('react');
-const ReactDOM = require('react-dom');
+import React from 'react';
+import ReactDOM from 'react-dom';
 import PropTypes from 'prop-types';
+import classNames from 'classnames';
 
 // Shamelessly ripped off Modal.js.  There's probably a better way
 // of doing reusable widgets like dialog boxes & menus where we go and
@@ -61,6 +60,54 @@ export default class ContextualMenu extends React.Component {
         // If true, insert an invisible screen-sized element behind the
         // menu that when clicked will close it.
         hasBackground: PropTypes.bool,
+
+        // The component to render as the context menu
+        elementClass: PropTypes.element.isRequired,
+        // on resize callback
+        windowResize: PropTypes.func,
+        // method to close menu
+        closeMenu: PropTypes.func,
+    };
+
+    constructor() {
+        super();
+        this.state = {
+            contextMenuRect: null,
+        };
+
+        this.onContextMenu = this.onContextMenu.bind(this);
+        this.collectContextMenuRect = this.collectContextMenuRect.bind(this);
+    }
+
+    collectContextMenuRect(element) {
+        // We don't need to clean up when unmounting, so ignore
+        if (!element) return;
+
+        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);
+            });
+        }
     }
 
     render() {
@@ -83,6 +130,9 @@ export default class ContextualMenu extends React.Component {
             chevronFace = 'right';
         }
 
+        const contextMenuRect = this.state.contextMenuRect || null;
+        const padding = 10;
+
         const chevronOffset = {};
         if (props.chevronFace) {
             chevronFace = props.chevronFace;
@@ -90,7 +140,19 @@ export default class ContextualMenu extends React.Component {
         if (chevronFace === 'top' || chevronFace === 'bottom') {
             chevronOffset.left = props.chevronOffset;
         } else {
-            chevronOffset.top = props.chevronOffset;
+            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);
         }
 
         // To override the default chevron colour, if it's been set
@@ -112,7 +174,7 @@ export default class ContextualMenu extends React.Component {
             `;
         }
 
-        const chevron = <div style={chevronOffset} className={"mx_ContextualMenu_chevron_" + chevronFace}></div>;
+        const chevron = <div style={chevronOffset} className={"mx_ContextualMenu_chevron_" + chevronFace} />;
         const className = 'mx_ContextualMenu_wrapper';
 
         const menuClasses = classNames({
@@ -154,17 +216,18 @@ export default class ContextualMenu extends React.Component {
         // FIXME: If a menu uses getDefaultProps it clobbers the onFinished
         // property set here so you can't close the menu from a button click!
         return <div className={className} style={position}>
-            <div className={menuClasses} style={menuStyle}>
+            <div className={menuClasses} style={menuStyle} ref={this.collectContextMenuRect}>
                 { chevron }
                 <ElementClass {...props} onFinished={props.closeMenu} onResize={props.windowResize} />
             </div>
-            { props.hasBackground && <div className="mx_ContextualMenu_background" onClick={props.closeMenu}></div> }
+            { props.hasBackground && <div className="mx_ContextualMenu_background"
+                                          onClick={props.closeMenu} onContextMenu={this.onContextMenu} /> }
             <style>{ chevronCSS }</style>
         </div>;
     }
 }
 
-export function createMenu(ElementClass, props) {
+export function createMenu(ElementClass, props, hasBackground=true) {
     const closeMenu = function(...args) {
         ReactDOM.unmountComponentAtNode(getOrCreateContainer());
 
@@ -175,8 +238,8 @@ export function createMenu(ElementClass, props) {
 
     // We only reference closeMenu once per call to createMenu
     const menu = <ContextualMenu
+        hasBackground={hasBackground}
         {...props}
-        hasBackground={true}
         elementClass={ElementClass}
         closeMenu={closeMenu} // eslint-disable-line react/jsx-no-bind
         windowResize={closeMenu} // eslint-disable-line react/jsx-no-bind

src/components/structures/FilePanel.js

@@ -68,8 +68,8 @@ const FilePanel = React.createClass({
                     "room": {
                         "timeline": {
                             "contains_url": true,
-                            "not_types": [
-                                "m.sticker",
+                            "types": [
+                                "m.room.message",
                             ],
                         },
                     },

src/components/structures/GroupView.js

@@ -432,11 +432,14 @@ export default React.createClass({
 
         this._changeAvatarComponent = null;
         this._initGroupStore(this.props.groupId, true);
+
+        this._dispatcherRef = dis.register(this._onAction);
     },
 
     componentWillUnmount: function() {
         this._unmounted = true;
         this._matrixClient.removeListener("Group.myMembership", this._onGroupMyMembership);
+        dis.unregister(this._dispatcherRef);
     },
 
     componentWillReceiveProps: function(newProps) {
@@ -559,16 +562,33 @@ export default React.createClass({
         });
     },
 
+    _onShareClick: function() {
+        const ShareDialog = sdk.getComponent("dialogs.ShareDialog");
+        Modal.createTrackedDialog('share community dialog', '', ShareDialog, {
+            target: this._matrixClient.getGroup(this.props.groupId),
+        });
+    },
+
     _onCancelClick: function() {
         this._closeSettings();
     },
 
+    _onAction(payload) {
+        switch (payload.action) {
+            // NOTE: close_settings is an app-wide dispatch; as it is dispatched from MatrixChat
+            case 'close_settings':
+                this.setState({
+                    editing: false,
+                    profileForm: null,
+                });
+                break;
+            default:
+                break;
+        }
+    },
+
     _closeSettings() {
-        this.setState({
-            editing: false,
-            profileForm: null,
-        });
-        dis.dispatch({action: 'panel_disable'});
+        dis.dispatch({action: 'close_settings'});
     },
 
     _onNameChange: function(value) {
@@ -1039,7 +1059,7 @@ export default React.createClass({
                     <input type="radio"
                         value={GROUP_JOINPOLICY_INVITE}
                         checked={this.state.joinableForm.policyType === GROUP_JOINPOLICY_INVITE}
-                        onClick={this._onJoinableChange}
+                        onChange={this._onJoinableChange}
                     />
                     <div className="mx_GroupView_label_text">
                         { _t('Only people who have been invited') }
@@ -1051,7 +1071,7 @@ export default React.createClass({
                     <input type="radio"
                         value={GROUP_JOINPOLICY_OPEN}
                         checked={this.state.joinableForm.policyType === GROUP_JOINPOLICY_OPEN}
-                        onClick={this._onJoinableChange}
+                        onChange={this._onJoinableChange}
                     />
                     <div className="mx_GroupView_label_text">
                         { _t('Everyone') }
@@ -1114,10 +1134,6 @@ export default React.createClass({
             let avatarNode;
             let nameNode;
             let shortDescNode;
-            const bodyNodes = [
-                this._getMembershipSection(),
-                this._getGroupSection(),
-            ];
             const rightButtons = [];
             if (this.state.editing && this.state.isUserPrivileged) {
                 let avatarImage;
@@ -1194,6 +1210,7 @@ export default React.createClass({
                     shortDescNode = <span onClick={onGroupHeaderItemClick}>{ summary.profile.short_description }</span>;
                 }
             }
+
             if (this.state.editing) {
                 rightButtons.push(
                     <AccessibleButton className="mx_GroupView_textButton mx_RoomHeader_textButton"
@@ -1218,6 +1235,11 @@ export default React.createClass({
                         </AccessibleButton>,
                     );
                 }
+                rightButtons.push(
+                    <AccessibleButton className="mx_GroupHeader_button" onClick={this._onShareClick} title={_t('Share Community')} key="_shareButton">
+                        <TintableSvg src="img/icons-share.svg" width="16" height="16" />
+                    </AccessibleButton>,
+                );
                 if (this.props.collapsedRhs) {
                     rightButtons.push(
                         <AccessibleButton className="mx_GroupHeader_button"
@@ -1256,7 +1278,8 @@ export default React.createClass({
                         </div>
                     </div>
                     <GeminiScrollbarWrapper className="mx_GroupView_body">
-                        { bodyNodes }
+                        { this._getMembershipSection() }
+                        { this._getGroupSection() }
                     </GeminiScrollbarWrapper>
                 </div>
             );

src/components/structures/LeftPanel.js

@@ -82,17 +82,26 @@ var LeftPanel = React.createClass({
 
     _onKeyDown: function(ev) {
         if (!this.focusedElement) return;
-        let handled = false;
+        let handled = true;
 
         switch (ev.keyCode) {
+            case KeyCode.TAB:
+                this._onMoveFocus(ev.shiftKey);
+                break;
             case KeyCode.UP:
                 this._onMoveFocus(true);
-                handled = true;
                 break;
             case KeyCode.DOWN:
                 this._onMoveFocus(false);
-                handled = true;
                 break;
+            case KeyCode.ENTER:
+                this._onMoveFocus(false);
+                if (this.focusedElement) {
+                    this.focusedElement.click();
+                }
+                break;
+            default:
+                handled = false;
         }
 
         if (handled) {
@@ -102,37 +111,33 @@ var LeftPanel = React.createClass({
     },
 
     _onMoveFocus: function(up) {
-        var element = this.focusedElement;
+        let element = this.focusedElement;
 
         // unclear why this isn't needed
         // var descending = (up == this.focusDirection) ? this.focusDescending : !this.focusDescending;
         // this.focusDirection = up;
 
-        var descending = false; // are we currently descending or ascending through the DOM tree?
-        var classes;
+        let descending = false; // are we currently descending or ascending through the DOM tree?
+        let classes;
 
         do {
-            var child = up ? element.lastElementChild : element.firstElementChild;
-            var sibling = up ? element.previousElementSibling : element.nextElementSibling;
+            const child = up ? element.lastElementChild : element.firstElementChild;
+            const sibling = up ? element.previousElementSibling : element.nextElementSibling;
 
             if (descending) {
                 if (child) {
                     element = child;
-                }
-                else if (sibling) {
+                } else if (sibling) {
                     element = sibling;
-                }
-                else {
+                } else {
                     descending = false;
                     element = element.parentElement;
                 }
-            }
-            else {
+            } else {
                 if (sibling) {
                     element = sibling;
                     descending = true;
-                }
-                else {
+                } else {
                     element = element.parentElement;
                 }
             }
@@ -144,8 +149,7 @@ var LeftPanel = React.createClass({
                     descending = true;
                 }
             }
-
-        } while(element && !(
+        } while (element && !(
             classes.contains("mx_RoomTile") ||
             classes.contains("mx_SearchBox_search") ||
             classes.contains("mx_RoomSubList_ellipsis")));

src/components/structures/LoggedInView.js

@@ -1,7 +1,7 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
 Copyright 2017 Vector Creations Ltd
-Copyright 2017 New Vector Ltd
+Copyright 2017, 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.
@@ -30,10 +30,16 @@ import dis from '../../dispatcher';
 import sessionStore from '../../stores/SessionStore';
 import MatrixClientPeg from '../../MatrixClientPeg';
 import SettingsStore from "../../settings/SettingsStore";
+import RoomListStore from "../../stores/RoomListStore";
 
 import TagOrderActions from '../../actions/TagOrderActions';
 import RoomListActions from '../../actions/RoomListActions';
 
+// We need to fetch each pinned message individually (if we don't already have it)
+// so each pinned message may trigger a request. Limit the number per room for sanity.
+// NB. this is just for server notices rather than pinned messages in general.
+const MAX_PINNED_NOTICES_PER_ROOM = 2;
+
 /**
  * This is what our MatrixChat shows when we are logged in. The precise view is
  * determined by the page_type property.
@@ -80,6 +86,8 @@ const LoggedInView = React.createClass({
         return {
             // use compact timeline view
             useCompactLayout: SettingsStore.getValue('useCompactLayout'),
+            // any currently active server notice events
+            serverNoticeEvents: [],
         };
     },
 
@@ -97,12 +105,18 @@ const LoggedInView = React.createClass({
         );
         this._setStateFromSessionStore();
 
+        this._updateServerNoticeEvents();
+
         this._matrixClient.on("accountData", this.onAccountData);
+        this._matrixClient.on("sync", this.onSync);
+        this._matrixClient.on("RoomState.events", this.onRoomStateEvents);
     },
 
     componentWillUnmount: function() {
         document.removeEventListener('keydown', this._onKeyDown);
         this._matrixClient.removeListener("accountData", this.onAccountData);
+        this._matrixClient.removeListener("sync", this.onSync);
+        this._matrixClient.removeListener("RoomState.events", this.onRoomStateEvents);
         if (this._sessionStoreToken) {
             this._sessionStoreToken.remove();
         }
@@ -142,6 +156,56 @@ const LoggedInView = React.createClass({
         }
     },
 
+    onSync: function(syncState, oldSyncState, data) {
+        const oldErrCode = this.state.syncErrorData && this.state.syncErrorData.error && this.state.syncErrorData.error.errcode;
+        const newErrCode = data && data.error && data.error.errcode;
+        if (syncState === oldSyncState && oldErrCode === newErrCode) return;
+
+        if (syncState === 'ERROR') {
+            this.setState({
+                syncErrorData: data,
+            });
+        } else {
+            this.setState({
+                syncErrorData: null,
+            });
+        }
+
+        if (oldSyncState === 'PREPARED' && syncState === 'SYNCING') {
+            this._updateServerNoticeEvents();
+        }
+    },
+
+    onRoomStateEvents: function(ev, state) {
+        const roomLists = RoomListStore.getRoomLists();
+        if (roomLists['m.server_notice'] && roomLists['m.server_notice'].some(r => r.roomId === ev.getRoomId())) {
+            this._updateServerNoticeEvents();
+        }
+    },
+
+    _updateServerNoticeEvents: async function() {
+        const roomLists = RoomListStore.getRoomLists();
+        if (!roomLists['m.server_notice']) return [];
+        
+        const pinnedEvents = [];
+        for (const room of roomLists['m.server_notice']) {
+            const pinStateEvent = room.currentState.getStateEvents("m.room.pinned_events", "");
+
+            if (!pinStateEvent || !pinStateEvent.getContent().pinned) continue;
+            
+            const pinnedEventIds = pinStateEvent.getContent().pinned.slice(0, MAX_PINNED_NOTICES_PER_ROOM);
+            for (const eventId of pinnedEventIds) {
+                const timeline = await this._matrixClient.getEventTimeline(room.getUnfilteredTimelineSet(), eventId, 0);
+                const ev = timeline.getEvents().find(ev => ev.getId() === eventId);
+                if (ev) pinnedEvents.push(ev);
+            }
+        }
+        this.setState({
+            serverNoticeEvents: pinnedEvents,
+        });
+    },
+    
+
     _onKeyDown: function(ev) {
             /*
             // Remove this for now as ctrl+alt = alt-gr so this breaks keyboards which rely on alt-gr for numbers
@@ -255,6 +319,22 @@ const LoggedInView = React.createClass({
         ), true);
     },
 
+    _onClick: function(ev) {
+        // When the panels are disabled, clicking on them results in a mouse event
+        // which bubbles to certain elements in the tree. When this happens, close
+        // any settings page that is currently open (user/room/group).
+        if (this.props.leftDisabled && this.props.rightDisabled) {
+            const targetClasses = new Set(ev.target.className.split(' '));
+            if (
+                targetClasses.has('mx_MatrixChat') ||
+                targetClasses.has('mx_MatrixChat_middlePanel') ||
+                targetClasses.has('mx_RoomView')
+            ) {
+                dis.dispatch({ action: 'close_settings' });
+            }
+        }
+    },
+
     render: function() {
         const LeftPanel = sdk.getComponent('structures.LeftPanel');
         const RightPanel = sdk.getComponent('structures.RightPanel');
@@ -270,6 +350,7 @@ const LoggedInView = React.createClass({
         const NewVersionBar = sdk.getComponent('globals.NewVersionBar');
         const UpdateCheckBar = sdk.getComponent('globals.UpdateCheckBar');
         const PasswordNagBar = sdk.getComponent('globals.PasswordNagBar');
+        const ServerLimitBar = sdk.getComponent('globals.ServerLimitBar');
 
         let page_element;
         let right_panel = '';
@@ -295,7 +376,7 @@ const LoggedInView = React.createClass({
 
             case PageTypes.UserSettings:
                 page_element = <UserSettings
-                    onClose={this.props.onUserSettingsClose}
+                    onClose={this.props.onCloseAllSettings}
                     brand={this.props.config.brand}
                     referralBaseUrl={this.props.config.referralBaseUrl}
                     teamToken={this.props.teamToken}
@@ -352,9 +433,26 @@ const LoggedInView = React.createClass({
                 break;
         }
 
+        const usageLimitEvent = this.state.serverNoticeEvents.find((e) => {
+            return (
+                e && e.getType() === 'm.room.message' &&
+                e.getContent()['server_notice_type'] === 'm.server_notice.usage_limit_reached'
+            );
+        });
+
         let topBar;
         const isGuest = this.props.matrixClient.isGuest();
-        if (this.props.showCookieBar &&
+        if (this.state.syncErrorData && this.state.syncErrorData.error.errcode === 'M_RESOURCE_LIMIT_EXCEEDED') {
+            topBar = <ServerLimitBar kind='hard'
+                adminContact={this.state.syncErrorData.error.data.admin_contact}
+                limitType={this.state.syncErrorData.error.data.limit_type}
+            />;
+        } else if (usageLimitEvent) {
+            topBar = <ServerLimitBar kind='soft'
+                adminContact={usageLimitEvent.getContent().admin_contact}
+                limitType={usageLimitEvent.getContent().limit_type}
+            />;
+        } else if (this.props.showCookieBar &&
             this.props.config.piwik
         ) {
             const policyUrl = this.props.config.piwik.policyUrl || null;
@@ -380,7 +478,7 @@ const LoggedInView = React.createClass({
         }
 
         return (
-            <div className='mx_MatrixChat_wrapper' aria-hidden={this.props.hideToSRUsers}>
+            <div className='mx_MatrixChat_wrapper' aria-hidden={this.props.hideToSRUsers} onClick={this._onClick}>
                 { topBar }
                 <DragDropContext onDragEnd={this._onDragEnd}>
                     <div className={bodyClasses}>

src/components/structures/MatrixChat.js

@@ -23,6 +23,7 @@ import PropTypes from 'prop-types';
 import Matrix from "matrix-js-sdk";
 
 import Analytics from "../../Analytics";
+import { DecryptionFailureTracker } from "../../DecryptionFailureTracker";
 import MatrixClientPeg from "../../MatrixClientPeg";
 import PlatformPeg from "../../PlatformPeg";
 import SdkConfig from "../../SdkConfig";
@@ -398,6 +399,9 @@ export default React.createClass({
     },
 
     startPageChangeTimer() {
+        // Tor doesn't support performance
+        if (!performance || !performance.mark) return null;
+
         // This shouldn't happen because componentWillUpdate and componentDidUpdate
         // are used.
         if (this._pageChanging) {
@@ -409,6 +413,9 @@ export default React.createClass({
     },
 
     stopPageChangeTimer() {
+        // Tor doesn't support performance
+        if (!performance || !performance.mark) return null;
+
         if (!this._pageChanging) {
             console.warn('MatrixChat.stopPageChangeTimer: timer not started');
             return;
@@ -560,6 +567,27 @@ export default React.createClass({
                 this._setPage(PageTypes.UserSettings);
                 this.notifyNewScreen('settings');
                 break;
+            case 'close_settings':
+                this.setState({
+                    leftDisabled: false,
+                    rightDisabled: false,
+                    middleDisabled: false,
+                });
+                if (this.state.page_type === PageTypes.UserSettings) {
+                    // We do this to get setPage and notifyNewScreen
+                    if (this.state.currentRoomId) {
+                        this._viewRoom({
+                            room_id: this.state.currentRoomId,
+                        });
+                    } else if (this.state.currentGroupId) {
+                        this._viewGroup({
+                            group_id: this.state.currentGroupId,
+                        });
+                    } else {
+                        this._viewHome();
+                    }
+                }
+                break;
             case 'view_create_room':
                 this._createRoom();
                 break;
@@ -577,19 +605,10 @@ export default React.createClass({
                 this.notifyNewScreen('groups');
                 break;
             case 'view_group':
-                {
-                    const groupId = payload.group_id;
-                    this.setState({
-                        currentGroupId: groupId,
-                        currentGroupIsNew: payload.group_is_new,
-                    });
-                    this._setPage(PageTypes.GroupView);
-                    this.notifyNewScreen('group/' + groupId);
-                }
+                this._viewGroup(payload);
                 break;
             case 'view_home_page':
-                this._setPage(PageTypes.HomePage);
-                this.notifyNewScreen('home');
+                this._viewHome();
                 break;
             case 'view_set_mxid':
                 this._setMxId(payload);
@@ -632,7 +651,8 @@ export default React.createClass({
                     middleDisabled: payload.middleDisabled || false,
                     rightDisabled: payload.rightDisabled || payload.sideDisabled || false,
                 });
-                break; }
+                break;
+            }
             case 'set_theme':
                 this._onSetTheme(payload.value);
                 break;
@@ -781,7 +801,6 @@ export default React.createClass({
     // @param {string=} roomInfo.room_id ID of the room to join. One of room_id or room_alias must be given.
     // @param {string=} roomInfo.room_alias Alias of the room to join. One of room_id or room_alias must be given.
     // @param {boolean=} roomInfo.auto_join If true, automatically attempt to join the room if not already a member.
-    // @param {boolean=} roomInfo.show_settings Makes RoomView show the room settings dialog.
     // @param {string=} roomInfo.event_id ID of the event in this room to show: this will cause a switch to the
     //                                    context of that particular event.
     // @param {boolean=} roomInfo.highlighted If true, add event_id to the hash of the URL
@@ -848,6 +867,21 @@ export default React.createClass({
         });
     },
 
+    _viewGroup: function(payload) {
+        const groupId = payload.group_id;
+        this.setState({
+            currentGroupId: groupId,
+            currentGroupIsNew: payload.group_is_new,
+        });
+        this._setPage(PageTypes.GroupView);
+        this.notifyNewScreen('group/' + groupId);
+    },
+
+    _viewHome: function() {
+        this._setPage(PageTypes.HomePage);
+        this.notifyNewScreen('home');
+    },
+
     _setMxId: function(payload) {
         const SetMxIdDialog = sdk.getComponent('views.dialogs.SetMxIdDialog');
         const close = Modal.createTrackedDialog('Set MXID', '', SetMxIdDialog, {
@@ -996,10 +1030,20 @@ export default React.createClass({
                     }, (err) => {
                         modal.close();
                         console.error("Failed to leave room " + roomId + " " + err);
+                        let title = _t("Failed to leave room");
+                        let message = _t("Server may be unavailable, overloaded, or you hit a bug.");
+                        if (err.errcode == 'M_CANNOT_LEAVE_SERVER_NOTICE_ROOM') {
+                            title = _t("Can't leave Server Notices room");
+                            message = _t(
+                                "This room is used for important messages from the Homeserver, " +
+                                "so you cannot leave it.",
+                            );
+                        } else if (err && err.message) {
+                            message = err.message;
+                        }
                         Modal.createTrackedDialog('Failed to leave room', '', ErrorDialog, {
-                            title: _t("Failed to leave room"),
-                            description: (err && err.message ? err.message :
-                                _t("Server may be unavailable, overloaded, or you hit a bug.")),
+                            title: title,
+                            description: message,
                         });
                     });
                 }
@@ -1100,11 +1144,6 @@ export default React.createClass({
         } else if (this._is_registered) {
             this._is_registered = false;
 
-            // Set the display name = user ID localpart
-            MatrixClientPeg.get().setDisplayName(
-                MatrixClientPeg.get().getUserIdLocalpart(),
-            );
-
             if (this.props.config.welcomeUserId && getCurrentLanguage().startsWith("en")) {
                 createRoom({
                     dmUserId: this.props.config.welcomeUserId,
@@ -1223,6 +1262,7 @@ export default React.createClass({
             }, true);
         });
         cli.on('Session.logged_out', function(call) {
+            if (Lifecycle.isLoggingOut()) return;
             const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             Modal.createTrackedDialog('Signed out', '', ErrorDialog, {
                 title: _t('Signed Out'),
@@ -1265,6 +1305,32 @@ export default React.createClass({
             }
         });
 
+        const dft = new DecryptionFailureTracker((total, errorCode) => {
+            Analytics.trackEvent('E2E', 'Decryption failure', errorCode, total);
+        }, (errorCode) => {
+            // Map JS-SDK error codes to tracker codes for aggregation
+            switch (errorCode) {
+                case 'MEGOLM_UNKNOWN_INBOUND_SESSION_ID':
+                    return 'olm_keys_not_sent_error';
+                case 'OLM_UNKNOWN_MESSAGE_INDEX':
+                    return 'olm_index_error';
+                case undefined:
+                    return 'unexpected_error';
+                default:
+                    return 'unspecified_error';
+            }
+        });
+
+        // Shelved for later date when we have time to think about persisting history of
+        // tracked events across sessions.
+        // dft.loadTrackedEventHashMap();
+
+        dft.start();
+
+        // When logging out, stop tracking failures and destroy state
+        cli.on("Session.logged_out", () => dft.stop());
+        cli.on("Event.decrypted", (e, err) => dft.eventDecrypted(e, err));
+
         const krh = new KeyRequestHandler(cli);
         cli.on("crypto.roomKeyRequest", (req) => {
             krh.handleKeyRequest(req);
@@ -1602,19 +1668,8 @@ export default React.createClass({
         this._setPageSubtitle(subtitle);
     },
 
-    onUserSettingsClose: function() {
-        // XXX: use browser history instead to find the previous room?
-        // or maintain a this.state.pageHistory in _setPage()?
-        if (this.state.currentRoomId) {
-            dis.dispatch({
-                action: 'view_room',
-                room_id: this.state.currentRoomId,
-            });
-        } else {
-            dis.dispatch({
-                action: 'view_home_page',
-            });
-        }
+    onCloseAllSettings() {
+        dis.dispatch({ action: 'close_settings' });
     },
 
     onServerConfigChange(config) {
@@ -1673,7 +1728,7 @@ export default React.createClass({
                 return (
                    <LoggedInView ref={this._collectLoggedInView} matrixClient={MatrixClientPeg.get()}
                         onRoomCreated={this.onRoomCreated}
-                        onUserSettingsClose={this.onUserSettingsClose}
+                        onCloseAllSettings={this.onCloseAllSettings}
                         onRegistered={this.onRegistered}
                         currentRoomId={this.state.currentRoomId}
                         teamToken={this._teamToken}

src/components/structures/MessagePanel.js

@@ -1,5 +1,6 @@
 /*
 Copyright 2016 OpenMarket Ltd
+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.
@@ -25,6 +26,9 @@ import sdk from '../../index';
 
 import MatrixClientPeg from '../../MatrixClientPeg';
 
+const CONTINUATION_MAX_INTERVAL = 5 * 60 * 1000; // 5 minutes
+const continuedTypes = ['m.sticker', 'm.room.message'];
+
 /* (almost) stateless UI component which builds the event tiles in the room timeline.
  */
 module.exports = React.createClass({
@@ -189,7 +193,7 @@ module.exports = React.createClass({
     /**
      * Page up/down.
      *
-     * mult: -1 to page up, +1 to page down
+     * @param {number} mult: -1 to page up, +1 to page down
      */
     scrollRelative: function(mult) {
         if (this.refs.scrollPanel) {
@@ -199,6 +203,8 @@ module.exports = React.createClass({
 
     /**
      * Scroll up/down in response to a scroll key
+     *
+     * @param {KeyboardEvent} ev: the keyboard event to handle
      */
     handleScrollKey: function(ev) {
         if (this.refs.scrollPanel) {
@@ -257,6 +263,7 @@ module.exports = React.createClass({
 
         this.eventNodes = {};
 
+        let visible = false;
         let i;
 
         // first figure out which is the last event in the list which we're
@@ -297,7 +304,7 @@ module.exports = React.createClass({
         // if the readmarker has moved, cancel any active ghost.
         if (this.currentReadMarkerEventId && this.props.readMarkerEventId &&
                 this.props.readMarkerVisible &&
-                this.currentReadMarkerEventId != this.props.readMarkerEventId) {
+                this.currentReadMarkerEventId !== this.props.readMarkerEventId) {
             this.currentGhostEventId = null;
         }
 
@@ -404,8 +411,8 @@ module.exports = React.createClass({
 
             let isVisibleReadMarker = false;
 
-            if (eventId == this.props.readMarkerEventId) {
-                var visible = this.props.readMarkerVisible;
+            if (eventId === this.props.readMarkerEventId) {
+                visible = this.props.readMarkerVisible;
 
                 // if the read marker comes at the end of the timeline (except
                 // for local echoes, which are excluded from RMs, because they
@@ -423,11 +430,11 @@ module.exports = React.createClass({
 
             // XXX: there should be no need for a ghost tile - we should just use a
             // a dispatch (user_activity_end) to start the RM animation.
-            if (eventId == this.currentGhostEventId) {
+            if (eventId === this.currentGhostEventId) {
                 // if we're showing an animation, continue to show it.
                 ret.push(this._getReadMarkerGhostTile());
             } else if (!isVisibleReadMarker &&
-                       eventId == this.currentReadMarkerEventId) {
+                       eventId === this.currentReadMarkerEventId) {
                 // there is currently a read-up-to marker at this point, but no
                 // more. Show an animation of it disappearing.
                 ret.push(this._getReadMarkerGhostTile());
@@ -449,16 +456,17 @@ module.exports = React.createClass({
 
         // Some events should appear as continuations from previous events of
         // different types.
-        const continuedTypes = ['m.sticker', 'm.room.message'];
+
         const eventTypeContinues =
             prevEvent !== null &&
             continuedTypes.includes(mxEv.getType()) &&
             continuedTypes.includes(prevEvent.getType());
 
-        if (prevEvent !== null
-                && prevEvent.sender && mxEv.sender
-                && mxEv.sender.userId === prevEvent.sender.userId
-                && (mxEv.getType() == prevEvent.getType() || eventTypeContinues)) {
+        // if there is a previous event and it has the same sender as this event
+        // and the types are the same/is in continuedTypes and the time between them is <= CONTINUATION_MAX_INTERVAL
+        if (prevEvent !== null && prevEvent.sender && mxEv.sender && mxEv.sender.userId === prevEvent.sender.userId &&
+            (mxEv.getType() === prevEvent.getType() || eventTypeContinues) &&
+            (mxEv.getTs() - prevEvent.getTs() <= CONTINUATION_MAX_INTERVAL)) {
             continuation = true;
         }
 
@@ -493,7 +501,7 @@ module.exports = React.createClass({
         }
 
         const eventId = mxEv.getId();
-        const highlight = (eventId == this.props.highlightedEventId);
+        const highlight = (eventId === this.props.highlightedEventId);
 
         // we can't use local echoes as scroll tokens, because their event IDs change.
         // Local echos have a send "status".
@@ -632,7 +640,8 @@ module.exports = React.createClass({
     render: function() {
         const ScrollPanel = sdk.getComponent("structures.ScrollPanel");
         const Spinner = sdk.getComponent("elements.Spinner");
-        let topSpinner, bottomSpinner;
+        let topSpinner;
+        let bottomSpinner;
         if (this.props.backPaginating) {
             topSpinner = <li key="_topSpinner"><Spinner /></li>;
         }

src/components/structures/MyGroups.js

@@ -70,7 +70,7 @@ export default withMatrixClient(React.createClass({
         if (this.state.groups) {
             const groupNodes = [];
             this.state.groups.forEach((g) => {
-                groupNodes.push(<GroupTile groupId={g} />);
+                groupNodes.push(<GroupTile key={g} groupId={g} />);
             });
             contentHeader = groupNodes.length > 0 ? <h3>{ _t('Your Communities') }</h3> : <div />;
             content = groupNodes.length > 0 ?
@@ -124,7 +124,7 @@ export default withMatrixClient(React.createClass({
                         ) }
                     </div>
                 </div>
-                <div className="mx_MyGroups_joinBox mx_MyGroups_headerCard">
+                {/*<div className="mx_MyGroups_joinBox mx_MyGroups_headerCard">
                     <AccessibleButton className='mx_MyGroups_headerCard_button' onClick={this._onJoinGroupClick}>
                         <TintableSvg src="img/icons-create-room.svg" width="50" height="50" />
                     </AccessibleButton>
@@ -140,7 +140,7 @@ export default withMatrixClient(React.createClass({
                             { 'i': (sub) => <i>{ sub }</i> })
                         }
                     </div>
-                </div>
+                </div>*/}
             </div>
             <div className="mx_MyGroups_content">
                 { contentHeader }

src/components/structures/RightPanel.js

@@ -280,7 +280,7 @@ module.exports = React.createClass({
             const room = cli.getRoom(this.props.roomId);
             let isUserInRoom;
             if (room) {
-                const numMembers = room.getJoinedMembers().length;
+                const numMembers = room.getJoinedMemberCount();
                 membersTitle = _t('%(count)s Members', { count: numMembers });
                 membersBadge = <div title={membersTitle}>{ formatCount(numMembers) }</div>;
                 isUserInRoom = room.hasMembershipState(this.context.matrixClient.credentials.userId, 'join');

src/components/structures/RoomStatusBar.js

@@ -1,6 +1,6 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
-Copyright 2017 New Vector Ltd
+Copyright 2017, 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.
@@ -18,13 +18,15 @@ limitations under the License.
 import React from 'react';
 import PropTypes from 'prop-types';
 import Matrix from 'matrix-js-sdk';
-import { _t } from '../../languageHandler';
+import { _t, _td } from '../../languageHandler';
 import sdk from '../../index';
 import WhoIsTyping from '../../WhoIsTyping';
 import MatrixClientPeg from '../../MatrixClientPeg';
 import MemberAvatar from '../views/avatars/MemberAvatar';
 import Resend from '../../Resend';
 import * as cryptodevices from '../../cryptodevices';
+import dis from '../../dispatcher';
+import { messageForResourceLimitError } from '../../utils/ErrorUtils';
 
 const STATUS_BAR_HIDDEN = 0;
 const STATUS_BAR_EXPANDED = 1;
@@ -106,6 +108,7 @@ module.exports = React.createClass({
     getInitialState: function() {
         return {
             syncState: MatrixClientPeg.get().getSyncState(),
+            syncStateData: MatrixClientPeg.get().getSyncStateData(),
             usersTyping: WhoIsTyping.usersTypingApartFromMe(this.props.room),
             unsentMessages: getUnsentMessages(this.props.room),
         };
@@ -133,12 +136,13 @@ module.exports = React.createClass({
         }
     },
 
-    onSyncStateChange: function(state, prevState) {
+    onSyncStateChange: function(state, prevState, data) {
         if (state === "SYNCING" && prevState === "SYNCING") {
             return;
         }
         this.setState({
             syncState: state,
+            syncStateData: data,
         });
     },
 
@@ -157,10 +161,12 @@ module.exports = React.createClass({
 
     _onResendAllClick: function() {
         Resend.resendUnsentEvents(this.props.room);
+        dis.dispatch({action: 'focus_composer'});
     },
 
     _onCancelAllClick: function() {
         Resend.cancelUnsentEvents(this.props.room);
+        dis.dispatch({action: 'focus_composer'});
     },
 
     _onShowDevicesClick: function() {
@@ -188,7 +194,7 @@ module.exports = React.createClass({
     // changed - so we use '0' to indicate normal size, and other values to
     // indicate other sizes.
     _getSize: function() {
-        if (this.state.syncState === "ERROR" ||
+        if (this._shouldShowConnectionError() ||
             (this.state.usersTyping.length > 0) ||
             this.props.numUnreadMessages ||
             !this.props.atEndOfLiveTimeline ||
@@ -235,7 +241,7 @@ module.exports = React.createClass({
             );
         }
 
-        if (this.state.syncState === "ERROR") {
+        if (this._shouldShowConnectionError()) {
             return null;
         }
 
@@ -282,6 +288,21 @@ module.exports = React.createClass({
         return avatars;
     },
 
+    _shouldShowConnectionError: function() {
+        // no conn bar trumps unread count since you can't get unread messages
+        // without a connection! (technically may already have some but meh)
+        // It also trumps the "some not sent" msg since you can't resend without
+        // a connection!
+        // There's one situation in which we don't show this 'no connection' bar, and that's
+        // if it's a resource limit exceeded error: those are shown in the top bar.
+        const errorIsMauError = Boolean(
+            this.state.syncStateData &&
+            this.state.syncStateData.error &&
+            this.state.syncStateData.error.errcode === 'M_RESOURCE_LIMIT_EXCEEDED'
+        );
+        return this.state.syncState === "ERROR" && !errorIsMauError;
+    },
+
     _getUnsentMessageContent: function() {
         const unsentMessages = this.state.unsentMessages;
         if (!unsentMessages.length) return null;
@@ -305,7 +326,43 @@ module.exports = React.createClass({
                 },
             );
         } else {
-            if (
+            let consentError = null;
+            let resourceLimitError = null;
+            for (const m of unsentMessages) {
+                if (m.error && m.error.errcode === 'M_CONSENT_NOT_GIVEN') {
+                    consentError = m.error;
+                    break;
+                } else if (m.error && m.error.errcode === 'M_RESOURCE_LIMIT_EXCEEDED') {
+                    resourceLimitError = m.error;
+                    break;
+                }
+            }
+            if (consentError) {
+                title = _t(
+                    "You can't send any messages until you review and agree to " +
+                    "<consentLink>our terms and conditions</consentLink>.",
+                    {},
+                    {
+                        'consentLink': (sub) =>
+                            <a href={consentError.data && consentError.data.consent_uri} target="_blank">
+                                { sub }
+                            </a>,
+                    },
+                );
+            } else if (resourceLimitError) {
+                title = messageForResourceLimitError(
+                    resourceLimitError.data.limit_type,
+                    resourceLimitError.data.admin_contact, {
+                    'monthly_active_user': _td(
+                        "Your message wasn't sent because this homeserver has hit its Monthly Active User Limit. " +
+                        "Please <a>contact your service administrator</a> to continue using the service.",
+                    ),
+                    '': _td(
+                        "Your message wasn't sent because this homeserver has exceeded a resource limit. " +
+                        "Please <a>contact your service administrator</a> to continue using the service.",
+                    ),
+                });
+            } else if (
                 unsentMessages.length === 1 &&
                 unsentMessages[0].error &&
                 unsentMessages[0].error.data &&
@@ -329,11 +386,13 @@ module.exports = React.createClass({
 
         return <div className="mx_RoomStatusBar_connectionLostBar">
             <img src="img/warning.svg" width="24" height="23" title={_t("Warning")} alt={_t("Warning")} />
-            <div className="mx_RoomStatusBar_connectionLostBar_title">
-                { title }
-            </div>
-            <div className="mx_RoomStatusBar_connectionLostBar_desc">
-                { content }
+            <div>
+                <div className="mx_RoomStatusBar_connectionLostBar_title">
+                    { title }
+                </div>
+                <div className="mx_RoomStatusBar_connectionLostBar_desc">
+                    { content }
+                </div>
             </div>
         </div>;
     },
@@ -342,19 +401,17 @@ module.exports = React.createClass({
     _getContent: function() {
         const EmojiText = sdk.getComponent('elements.EmojiText');
 
-        // no conn bar trumps unread count since you can't get unread messages
-        // without a connection! (technically may already have some but meh)
-        // It also trumps the "some not sent" msg since you can't resend without
-        // a connection!
-        if (this.state.syncState === "ERROR") {
+        if (this._shouldShowConnectionError()) {
             return (
                 <div className="mx_RoomStatusBar_connectionLostBar">
                     <img src="img/warning.svg" width="24" height="23" title="/!\ " alt="/!\ " />
-                    <div className="mx_RoomStatusBar_connectionLostBar_title">
-                        { _t('Connectivity to the server has been lost.') }
-                    </div>
-                    <div className="mx_RoomStatusBar_connectionLostBar_desc">
-                        { _t('Sent messages will be stored until your connection has returned.') }
+                    <div>
+                        <div className="mx_RoomStatusBar_connectionLostBar_title">
+                            { _t('Connectivity to the server has been lost.') }
+                        </div>
+                        <div className="mx_RoomStatusBar_connectionLostBar_desc">
+                            { _t('Sent messages will be stored until your connection has returned.') }
+                        </div>
                     </div>
                 </div>
             );

src/components/structures/RoomSubList.js

@@ -1,6 +1,7 @@
 /*
-Copyright 2017 Vector Creations Ltd
 Copyright 2015, 2016 OpenMarket Ltd
+Copyright 2017 Vector Creations Ltd
+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.
@@ -15,56 +16,53 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-'use strict';
-
-var React = require('react');
-var ReactDOM = require('react-dom');
-var classNames = require('classnames');
-var sdk = require('../../index');
+import React from 'react';
+import classNames from 'classnames';
+import sdk from '../../index';
 import { Droppable } from 'react-beautiful-dnd';
 import { _t } from '../../languageHandler';
-var dis = require('../../dispatcher');
-var Unread = require('../../Unread');
-var MatrixClientPeg = require('../../MatrixClientPeg');
-var RoomNotifs = require('../../RoomNotifs');
-var FormattingUtils = require('../../utils/FormattingUtils');
-var AccessibleButton = require('../../components/views/elements/AccessibleButton');
-import Modal from '../../Modal';
+import dis from '../../dispatcher';
+import Unread from '../../Unread';
+import * as RoomNotifs from '../../RoomNotifs';
+import * as FormattingUtils from '../../utils/FormattingUtils';
 import { KeyCode } from '../../Keyboard';
+import { Group } from 'matrix-js-sdk';
+import PropTypes from 'prop-types';
 
 
 // turn this on for drop & drag console debugging galore
-var debug = false;
+const debug = false;
 
 const TRUNCATE_AT = 10;
 
-var RoomSubList = React.createClass({
+const RoomSubList = React.createClass({
     displayName: 'RoomSubList',
 
     debug: debug,
 
     propTypes: {
-        list: React.PropTypes.arrayOf(React.PropTypes.object).isRequired,
-        label: React.PropTypes.string.isRequired,
-        tagName: React.PropTypes.string,
-        editable: React.PropTypes.bool,
+        list: PropTypes.arrayOf(PropTypes.object).isRequired,
+        label: PropTypes.string.isRequired,
+        tagName: PropTypes.string,
+        editable: PropTypes.bool,
 
-        order: React.PropTypes.string.isRequired,
+        order: PropTypes.string.isRequired,
 
         // passed through to RoomTile and used to highlight room with `!` regardless of notifications count
-        isInvite: React.PropTypes.bool,
+        isInvite: PropTypes.bool,
 
-        startAsHidden: React.PropTypes.bool,
-        showSpinner: React.PropTypes.bool, // true to show a spinner if 0 elements when expanded
-        collapsed: React.PropTypes.bool.isRequired, // is LeftPanel collapsed?
-        onHeaderClick: React.PropTypes.func,
-        alwaysShowHeader: React.PropTypes.bool,
-        incomingCall: React.PropTypes.object,
-        onShowMoreRooms: React.PropTypes.func,
-        searchFilter: React.PropTypes.string,
-        emptyContent: React.PropTypes.node, // content shown if the list is empty
-        headerItems: React.PropTypes.node, // content shown in the sublist header
-        extraTiles: React.PropTypes.arrayOf(React.PropTypes.node), // extra elements added beneath tiles
+        startAsHidden: PropTypes.bool,
+        showSpinner: PropTypes.bool, // true to show a spinner if 0 elements when expanded
+        collapsed: PropTypes.bool.isRequired, // is LeftPanel collapsed?
+        onHeaderClick: PropTypes.func,
+        alwaysShowHeader: PropTypes.bool,
+        incomingCall: PropTypes.object,
+        onShowMoreRooms: PropTypes.func,
+        searchFilter: PropTypes.string,
+        emptyContent: PropTypes.node, // content shown if the list is empty
+        headerItems: PropTypes.node, // content shown in the sublist header
+        extraTiles: PropTypes.arrayOf(PropTypes.node), // extra elements added beneath tiles
+        showEmpty: PropTypes.bool,
     },
 
     getInitialState: function() {
@@ -77,10 +75,13 @@ var RoomSubList = React.createClass({
 
     getDefaultProps: function() {
         return {
-            onHeaderClick: function() {}, // NOP
-            onShowMoreRooms: function() {}, // NOP
+            onHeaderClick: function() {
+            }, // NOP
+            onShowMoreRooms: function() {
+            }, // NOP
             extraTiles: [],
             isInvite: false,
+            showEmpty: true,
         };
     },
 
@@ -105,15 +106,17 @@ var RoomSubList = React.createClass({
 
     applySearchFilter: function(list, filter) {
         if (filter === "") return list;
-        return list.filter((room) => {
-            return room.name && room.name.toLowerCase().indexOf(filter.toLowerCase()) >= 0
-        });
+        const lcFilter = filter.toLowerCase();
+        // case insensitive if room name includes filter,
+        // or if starts with `#` and one of room's aliases starts with filter
+        return list.filter((room) => (room.name && room.name.toLowerCase().includes(lcFilter)) ||
+            (filter[0] === '#' && room.getAliases().some((alias) => alias.toLowerCase().startsWith(lcFilter))));
     },
 
     // The header is collapsable if it is hidden or not stuck
     // The dataset elements are added in the RoomList _initAndPositionStickyHeaders method
     isCollapsableOnClick: function() {
-        var stuck = this.refs.header.dataset.stuck;
+        const stuck = this.refs.header.dataset.stuck;
         if (this.state.hidden || stuck === undefined || stuck === "none") {
             return true;
         } else {
@@ -139,12 +142,12 @@ var RoomSubList = React.createClass({
     onClick: function(ev) {
         if (this.isCollapsableOnClick()) {
             // The header isCollapsable, so the click is to be interpreted as collapse and truncation logic
-            var isHidden = !this.state.hidden;
-            this.setState({ hidden : isHidden });
+            const isHidden = !this.state.hidden;
+            this.setState({hidden: isHidden});
 
             if (isHidden) {
                 // as good a way as any to reset the truncate state
-                this.setState({ truncateAt : TRUNCATE_AT });
+                this.setState({truncateAt: TRUNCATE_AT});
             }
 
             this.props.onShowMoreRooms();
@@ -159,7 +162,7 @@ var RoomSubList = React.createClass({
         dis.dispatch({
             action: 'view_room',
             room_id: roomId,
-            clear_search: (ev && (ev.keyCode == KeyCode.ENTER || ev.keyCode == KeyCode.SPACE)),
+            clear_search: (ev && (ev.keyCode === KeyCode.ENTER || ev.keyCode === KeyCode.SPACE)),
         });
     },
 
@@ -169,17 +172,17 @@ var RoomSubList = React.createClass({
     },
 
     _shouldShowMentionBadge: function(roomNotifState) {
-        return roomNotifState != RoomNotifs.MUTE;
+        return roomNotifState !== RoomNotifs.MUTE;
     },
 
     /**
      * Total up all the notification counts from the rooms
      *
-     * @param {Number} If supplied will only total notifications for rooms outside the truncation number
+     * @param {Number} truncateAt If supplied will only total notifications for rooms outside the truncation number
      * @returns {Array} The array takes the form [total, highlight] where highlight is a bool
      */
     roomNotificationCount: function(truncateAt) {
-        var self = this;
+        const self = this;
 
         if (this.props.isInvite) {
             return [0, true];
@@ -187,9 +190,9 @@ var RoomSubList = React.createClass({
 
         return this.props.list.reduce(function(result, room, index) {
             if (truncateAt === undefined || index >= truncateAt) {
-                var roomNotifState = RoomNotifs.getRoomNotifsState(room.roomId);
-                var highlight = room.getUnreadNotificationCount('highlight') > 0;
-                var notificationCount = room.getUnreadNotificationCount();
+                const roomNotifState = RoomNotifs.getRoomNotifsState(room.roomId);
+                const highlight = room.getUnreadNotificationCount('highlight') > 0;
+                const notificationCount = room.getUnreadNotificationCount();
 
                 const notifBadges = notificationCount > 0 && self._shouldShowNotifBadge(roomNotifState);
                 const mentionBadges = highlight && self._shouldShowMentionBadge(roomNotifState);
@@ -238,38 +241,83 @@ var RoomSubList = React.createClass({
         });
     },
 
+    _onNotifBadgeClick: function(e) {
+        // prevent the roomsublist collapsing
+        e.preventDefault();
+        e.stopPropagation();
+        // find first room which has notifications and switch to it
+        for (const room of this.state.sortedList) {
+            const roomNotifState = RoomNotifs.getRoomNotifsState(room.roomId);
+            const highlight = room.getUnreadNotificationCount('highlight') > 0;
+            const notificationCount = room.getUnreadNotificationCount();
+
+            const notifBadges = notificationCount > 0 && this._shouldShowNotifBadge(roomNotifState);
+            const mentionBadges = highlight && this._shouldShowMentionBadge(roomNotifState);
+
+            if (notifBadges || mentionBadges) {
+                dis.dispatch({
+                    action: 'view_room',
+                    room_id: room.roomId,
+                });
+                return;
+            }
+        }
+    },
+
+    _onInviteBadgeClick: function(e) {
+        // prevent the roomsublist collapsing
+        e.preventDefault();
+        e.stopPropagation();
+        // switch to first room in sortedList as that'll be the top of the list for the user
+        if (this.state.sortedList && this.state.sortedList.length > 0) {
+            dis.dispatch({
+                action: 'view_room',
+                room_id: this.state.sortedList[0].roomId,
+            });
+        } else if (this.props.extraTiles && this.props.extraTiles.length > 0) {
+            // Group Invites are different in that they are all extra tiles and not rooms
+            // XXX: this is a horrible special case because Group Invite sublist is a hack
+            if (this.props.extraTiles[0].props && this.props.extraTiles[0].props.group instanceof Group) {
+                dis.dispatch({
+                    action: 'view_group',
+                    group_id: this.props.extraTiles[0].props.group.groupId,
+                });
+            }
+        }
+    },
+
     _getHeaderJsx: function() {
-        var TintableSvg = sdk.getComponent("elements.TintableSvg");
+        const subListNotifications = this.roomNotificationCount();
+        const subListNotifCount = subListNotifications[0];
+        const subListNotifHighlight = subListNotifications[1];
 
-        var subListNotifications = this.roomNotificationCount();
-        var subListNotifCount = subListNotifications[0];
-        var subListNotifHighlight = subListNotifications[1];
+        const totalTiles = this.props.list.length + (this.props.extraTiles || []).length;
+        const roomCount = totalTiles > 0 ? totalTiles : '';
 
-        var totalTiles = this.props.list.length + (this.props.extraTiles || []).length;
-        var roomCount = totalTiles > 0 ? totalTiles : '';
-
-        var chevronClasses = classNames({
+        const chevronClasses = classNames({
             'mx_RoomSubList_chevron': true,
             'mx_RoomSubList_chevronRight': this.state.hidden,
             'mx_RoomSubList_chevronDown': !this.state.hidden,
         });
 
-        var badgeClasses = classNames({
+        const badgeClasses = classNames({
             'mx_RoomSubList_badge': true,
             'mx_RoomSubList_badgeHighlight': subListNotifHighlight,
         });
 
-        var badge;
+        let badge;
         if (subListNotifCount > 0) {
-            badge = <div className={badgeClasses}>{ FormattingUtils.formatCount(subListNotifCount) }</div>;
+            badge = <div className={badgeClasses} onClick={this._onNotifBadgeClick}>
+                { FormattingUtils.formatCount(subListNotifCount) }
+            </div>;
         } else if (this.props.isInvite) {
             // no notifications but highlight anyway because this is an invite badge
-            badge = <div className={badgeClasses}>!</div>;
+            badge = <div className={badgeClasses} onClick={this._onInviteBadgeClick}>!</div>;
         }
 
         // When collapsed, allow a long hover on the header to show user
         // the full tag name and room count
-        var title;
+        let title;
         if (this.props.collapsed) {
             title = this.props.label;
             if (roomCount !== '') {
@@ -277,63 +325,66 @@ var RoomSubList = React.createClass({
             }
         }
 
-        var incomingCall;
+        let incomingCall;
         if (this.props.incomingCall) {
-            var self = this;
+            const self = this;
             // Check if the incoming call is for this section
-            var incomingCallRoom = this.props.list.filter(function(room) {
+            const incomingCallRoom = this.props.list.filter(function(room) {
                 return self.props.incomingCall.roomId === room.roomId;
             });
 
             if (incomingCallRoom.length === 1) {
-                var IncomingCallBox = sdk.getComponent("voip.IncomingCallBox");
-                incomingCall = <IncomingCallBox className="mx_RoomSubList_incomingCall" incomingCall={ this.props.incomingCall }/>;
+                const IncomingCallBox = sdk.getComponent("voip.IncomingCallBox");
+                incomingCall =
+                    <IncomingCallBox className="mx_RoomSubList_incomingCall" incomingCall={this.props.incomingCall} />;
             }
         }
 
-        var tabindex = this.props.searchFilter === "" ? "0" : "-1";
+        const tabindex = this.props.searchFilter === "" ? "0" : "-1";
 
+        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         return (
-            <div className="mx_RoomSubList_labelContainer" title={ title } ref="header">
-                <AccessibleButton onClick={ this.onClick } className="mx_RoomSubList_label" tabIndex={tabindex}>
-                    { this.props.collapsed ? '' : this.props.label }
-                    <div className="mx_RoomSubList_roomCount">{ roomCount }</div>
-                    <div className={chevronClasses}></div>
-                    { badge }
-                    { incomingCall }
+            <div className="mx_RoomSubList_labelContainer" title={title} ref="header">
+                <AccessibleButton onClick={this.onClick} className="mx_RoomSubList_label" tabIndex={tabindex}>
+                    {this.props.collapsed ? '' : this.props.label}
+                    <div className="mx_RoomSubList_roomCount">{roomCount}</div>
+                    <div className={chevronClasses} />
+                    {badge}
+                    {incomingCall}
                 </AccessibleButton>
             </div>
         );
     },
 
     _createOverflowTile: function(overflowCount, totalCount) {
-        var content = <div className="mx_RoomSubList_chevronDown"></div>;
+        let content = <div className="mx_RoomSubList_chevronDown" />;
 
-        var overflowNotifications = this.roomNotificationCount(TRUNCATE_AT);
-        var overflowNotifCount = overflowNotifications[0];
-        var overflowNotifHighlight = overflowNotifications[1];
+        const overflowNotifications = this.roomNotificationCount(TRUNCATE_AT);
+        const overflowNotifCount = overflowNotifications[0];
+        const overflowNotifHighlight = overflowNotifications[1];
         if (overflowNotifCount && !this.props.collapsed) {
             content = FormattingUtils.formatCount(overflowNotifCount);
         }
 
-        var badgeClasses = classNames({
+        const badgeClasses = classNames({
             'mx_RoomSubList_moreBadge': true,
             'mx_RoomSubList_moreBadgeNotify': overflowNotifCount && !this.props.collapsed,
             'mx_RoomSubList_moreBadgeHighlight': overflowNotifHighlight && !this.props.collapsed,
         });
 
+        const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
         return (
             <AccessibleButton className="mx_RoomSubList_ellipsis" onClick={this._showFullMemberList}>
-                <div className="mx_RoomSubList_line"></div>
-                <div className="mx_RoomSubList_more">{ _t("more") }</div>
-                <div className={ badgeClasses }>{ content }</div>
+                <div className="mx_RoomSubList_line" />
+                <div className="mx_RoomSubList_more">{_t("more")}</div>
+                <div className={badgeClasses}>{content}</div>
             </AccessibleButton>
         );
     },
 
     _showFullMemberList: function() {
         this.setState({
-            truncateAt: -1
+            truncateAt: -1,
         });
 
         this.props.onShowMoreRooms();
@@ -341,37 +392,51 @@ var RoomSubList = React.createClass({
     },
 
     render: function() {
-        var connectDropTarget = this.props.connectDropTarget;
-        var TruncatedList = sdk.getComponent('elements.TruncatedList');
-
-        var label = this.props.collapsed ? null : this.props.label;
+        const TruncatedList = sdk.getComponent('elements.TruncatedList');
 
         let content;
-        if (this.state.sortedList.length === 0 && !this.props.searchFilter && this.props.extraTiles.length === 0) {
-            content = this.props.emptyContent;
+
+        if (this.props.showEmpty) {
+            // this is new behaviour with still controversial UX in that in hiding RoomSubLists the drop zones for DnD
+            // are also gone so when filtering users can't DnD rooms to some tags but is a lot cleaner otherwise.
+            if (this.state.sortedList.length === 0 && !this.props.searchFilter && this.props.extraTiles.length === 0) {
+                content = this.props.emptyContent;
+            } else {
+                content = this.makeRoomTiles();
+                content.push(...this.props.extraTiles);
+            }
         } else {
-            content = this.makeRoomTiles();
-            content.push(...this.props.extraTiles);
+            if (this.state.sortedList.length === 0 && this.props.extraTiles.length === 0) {
+                // if no search filter is applied and there is a placeholder defined then show it, otherwise show nothing
+                if (!this.props.searchFilter && this.props.emptyContent) {
+                    content = this.props.emptyContent;
+                } else {
+                    // don't show an empty sublist
+                    return null;
+                }
+            } else {
+                content = this.makeRoomTiles();
+                content.push(...this.props.extraTiles);
+            }
         }
 
         if (this.state.sortedList.length > 0 || this.props.extraTiles.length > 0 || this.props.editable) {
-            var subList;
-            var classes = "mx_RoomSubList";
+            let subList;
+            const classes = "mx_RoomSubList";
 
             if (!this.state.hidden) {
-                subList = <TruncatedList className={ classes } truncateAt={this.state.truncateAt}
-                                         createOverflowElement={this._createOverflowTile} >
-                                { content }
-                          </TruncatedList>;
-            }
-            else {
-                subList = <TruncatedList className={ classes }>
-                          </TruncatedList>;
+                subList = <TruncatedList className={classes} truncateAt={this.state.truncateAt}
+                                         createOverflowElement={this._createOverflowTile}>
+                    {content}
+                </TruncatedList>;
+            } else {
+                subList = <TruncatedList className={classes}>
+                </TruncatedList>;
             }
 
             const subListContent = <div>
-                { this._getHeaderJsx() }
-                { subList }
+                {this._getHeaderJsx()}
+                {subList}
             </div>;
 
             return this.props.editable ?
@@ -379,23 +444,26 @@ var RoomSubList = React.createClass({
                     droppableId={"room-sub-list-droppable_" + this.props.tagName}
                     type="draggable-RoomTile"
                 >
-                    { (provided, snapshot) => (
+                    {(provided, snapshot) => (
                         <div ref={provided.innerRef}>
-                            { subListContent }
+                            {subListContent}
                         </div>
-                    ) }
+                    )}
                 </Droppable> : subListContent;
-        }
-        else {
-            var Loader = sdk.getComponent("elements.Spinner");
+        } else {
+            const Loader = sdk.getComponent("elements.Spinner");
+            if (this.props.showSpinner) {
+                content = <Loader />;
+            }
+
             return (
                 <div className="mx_RoomSubList">
-                    { this.props.alwaysShowHeader ? this._getHeaderJsx() : undefined }
-                    { (this.props.showSpinner && !this.state.hidden) ? <Loader /> : undefined }
+                    {this.props.alwaysShowHeader ? this._getHeaderJsx() : undefined}
+                    { this.state.hidden ? undefined : content }
                 </div>
             );
         }
-    }
+    },
 });
 
 module.exports = RoomSubList;

src/components/structures/RoomView.js

@@ -1,6 +1,7 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
 Copyright 2017 Vector Creations Ltd
+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.
@@ -44,7 +45,9 @@ import { KeyCode, isOnlyCtrlOrCmdKeyEvent } from '../../Keyboard';
 
 import RoomViewStore from '../../stores/RoomViewStore';
 import RoomScrollStateStore from '../../stores/RoomScrollStateStore';
-import SettingsStore from "../../settings/SettingsStore";
+import WidgetEchoStore from '../../stores/WidgetEchoStore';
+import SettingsStore, {SettingLevel} from "../../settings/SettingsStore";
+import WidgetUtils from '../../utils/WidgetUtils';
 
 const DEBUG = false;
 let debuglog = function() {};
@@ -115,6 +118,7 @@ module.exports = React.createClass({
             showApps: false,
             isAlone: false,
             isPeeking: false,
+            showingPinned: false,
 
             // error object, as from the matrix client/server API
             // If we failed to load information about the room,
@@ -150,6 +154,8 @@ module.exports = React.createClass({
         // Start listening for RoomViewStore updates
         this._roomStoreToken = RoomViewStore.addListener(this._onRoomViewStoreUpdate);
         this._onRoomViewStoreUpdate(true);
+
+        WidgetEchoStore.on('update', this._onWidgetEchoStoreUpdate);
     },
 
     _onRoomViewStoreUpdate: function(initial) {
@@ -182,6 +188,8 @@ module.exports = React.createClass({
             isInitialEventHighlighted: RoomViewStore.isInitialEventHighlighted(),
             forwardingEvent: RoomViewStore.getForwardingEvent(),
             shouldPeek: RoomViewStore.shouldPeek(),
+            showingPinned: SettingsStore.getValue("PinnedEvents.isOpen", RoomViewStore.getRoomId()),
+            editingRoomSettings: RoomViewStore.isEditingSettings(),
         };
 
         // Temporary logging to diagnose https://github.com/vector-im/riot-web/issues/4307
@@ -238,6 +246,12 @@ module.exports = React.createClass({
         }
     },
 
+    _onWidgetEchoStoreUpdate: function() {
+        this.setState({
+            showApps: this._shouldShowApps(this.state.room),
+        });
+    },
+
     _setupRoom: function(room, roomId, joining, shouldPeek) {
         // if this is an unknown room then we're in one of three states:
         // - This is a room we can peek into (search engine) (we can /peek)
@@ -294,11 +308,23 @@ module.exports = React.createClass({
                         throw err;
                     }
                 });
+            } else if (room) {
+                //viewing a previously joined room, try to lazy load members
+
+                // Stop peeking because we have joined this room previously
+                MatrixClientPeg.get().stopPeeking();
+                this.setState({isPeeking: false});
+
+                // lazy load members if enabled
+                if (SettingsStore.isFeatureEnabled('feature_lazyloading')) {
+                    room.loadMembersIfNeeded().catch((err) => {
+                        const errorMessage = `Fetching room members for ${this.roomId} failed.` +
+                            " Room members will appear incomplete.";
+                        console.error(errorMessage);
+                        console.error(err);
+                    });
+                }
             }
-        } else if (room) {
-            // Stop peeking because we have joined this room previously
-            MatrixClientPeg.get().stopPeeking();
-            this.setState({isPeeking: false});
         }
     },
 
@@ -314,14 +340,9 @@ module.exports = React.createClass({
             return false;
         }
 
-        const appsStateEvents = room.currentState.getStateEvents('im.vector.modular.widgets');
-        // any valid widget = show apps
-        for (let i = 0; i < appsStateEvents.length; i++) {
-            if (appsStateEvents[i].getContent().type && appsStateEvents[i].getContent().url) {
-                return true;
-            }
-        }
-        return false;
+        const widgets = WidgetEchoStore.getEchoedRoomWidgets(room.roomId, WidgetUtils.getRoomWidgets(room));
+
+        return widgets.length > 0 || WidgetEchoStore.roomHasPendingWidgets(room.roomId, WidgetUtils.getRoomWidgets(room));
     },
 
     componentDidMount: function() {
@@ -342,7 +363,7 @@ module.exports = React.createClass({
         // XXX: EVIL HACK to autofocus inviting on empty rooms.
         // We use the setTimeout to avoid racing with focus_composer.
         if (this.state.room &&
-            this.state.room.getJoinedMembers().length == 1 &&
+            this.state.room.getJoinedMemberCount() == 1 &&
             this.state.room.getLiveTimeline() &&
             this.state.room.getLiveTimeline().getEvents() &&
             this.state.room.getLiveTimeline().getEvents().length <= 6) {
@@ -416,6 +437,8 @@ module.exports = React.createClass({
             this._roomStoreToken.remove();
         }
 
+        WidgetEchoStore.removeListener('update', this._onWidgetEchoStoreUpdate);
+
         // cancel any pending calls to the rate_limited_funcs
         this._updateRoomMembers.cancelPendingCall();
 
@@ -615,9 +638,11 @@ module.exports = React.createClass({
         }
     },
 
-    _updatePreviewUrlVisibility: function(room) {
+    _updatePreviewUrlVisibility: function({roomId}) {
+        // URL Previews in E2EE rooms can be a privacy leak so use a different setting which is per-room explicit
+        const key = MatrixClientPeg.get().isRoomEncrypted(roomId) ? 'urlPreviewsEnabled_e2ee' : 'urlPreviewsEnabled';
         this.setState({
-            showUrlPreview: SettingsStore.getValue("urlPreviewsEnabled", room.roomId),
+            showUrlPreview: SettingsStore.getValue(key, roomId),
         });
     },
 
@@ -642,19 +667,23 @@ module.exports = React.createClass({
     },
 
     onAccountData: function(event) {
-        if (event.getType() === "org.matrix.preview_urls" && this.state.room) {
+        const type = event.getType();
+        if ((type === "org.matrix.preview_urls" || type === "im.vector.web.settings") && this.state.room) {
+            // non-e2ee url previews are stored in legacy event type `org.matrix.room.preview_urls`
             this._updatePreviewUrlVisibility(this.state.room);
         }
     },
 
     onRoomAccountData: function(event, room) {
         if (room.roomId == this.state.roomId) {
-            if (event.getType() === "org.matrix.room.color_scheme") {
+            const type = event.getType();
+            if (type === "org.matrix.room.color_scheme") {
                 const color_scheme = event.getContent();
                 // XXX: we should validate the event
                 console.log("Tinter.tint from onRoomAccountData");
                 Tinter.tint(color_scheme.primary_color, color_scheme.secondary_color);
-            } else if (event.getType() === "org.matrix.room.preview_urls") {
+            } else if (type === "org.matrix.room.preview_urls" || type === "im.vector.web.settings") {
+                // non-e2ee url previews are stored in legacy event type `org.matrix.room.preview_urls`
                 this._updatePreviewUrlVisibility(room);
             }
         }
@@ -687,6 +716,7 @@ module.exports = React.createClass({
         // refresh the conf call notification state
         this._updateConfCallNotification();
         this._updateDMState();
+        this._checkIfAlone(this.state.room);
     }, 500),
 
     _checkIfAlone: function(room) {
@@ -699,8 +729,8 @@ module.exports = React.createClass({
             return;
         }
 
-        const joinedMembers = room.currentState.getMembers().filter((m) => m.membership === "join" || m.membership === "invite");
-        this.setState({isAlone: joinedMembers.length === 1});
+        const joinedOrInvitedMemberCount = room.getJoinedMemberCount() + room.getInvitedMemberCount();
+        this.setState({isAlone: joinedOrInvitedMemberCount === 1});
     },
 
     _updateConfCallNotification: function() {
@@ -728,40 +758,13 @@ module.exports = React.createClass({
     },
 
     _updateDMState() {
-        const me = this.state.room.getMember(MatrixClientPeg.get().credentials.userId);
-        if (!me || me.membership !== "join") {
+        const room = this.state.room;
+        if (room.getMyMembership() != "join") {
             return;
         }
-
-        // The user may have accepted an invite with is_direct set
-        if (me.events.member.getPrevContent().membership === "invite" &&
-            me.events.member.getPrevContent().is_direct
-        ) {
-            // This is a DM with the sender of the invite event (which we assume
-            // preceded the join event)
-            Rooms.setDMRoom(
-                this.state.room.roomId,
-                me.events.member.getUnsigned().prev_sender,
-            );
-            return;
-        }
-
-        const invitedMembers = this.state.room.getMembersWithMembership("invite");
-        const joinedMembers = this.state.room.getMembersWithMembership("join");
-
-        // There must be one invited member and one joined member
-        if (invitedMembers.length !== 1 || joinedMembers.length !== 1) {
-            return;
-        }
-
-        // The user may have sent an invite with is_direct sent
-        const other = invitedMembers[0];
-        if (other &&
-            other.membership === "invite" &&
-            other.events.member.getContent().is_direct
-        ) {
-            Rooms.setDMRoom(this.state.room.roomId, other.userId);
-            return;
+        const dmInviter = room.getDMInviter();
+        if (dmInviter) {
+            Rooms.setDMRoom(room.roomId, dmInviter);
         }
     },
 
@@ -909,6 +912,8 @@ module.exports = React.createClass({
     },
 
     uploadFile: async function(file) {
+        dis.dispatch({action: 'focus_composer'});
+
         if (MatrixClientPeg.get().isGuest()) {
             dis.dispatch({action: 'view_set_mxid'});
             return;
@@ -1135,11 +1140,14 @@ module.exports = React.createClass({
     },
 
     onPinnedClick: function() {
-        this.setState({showingPinned: !this.state.showingPinned, searching: false});
+        const nowShowingPinned = !this.state.showingPinned;
+        const roomId = this.state.room.roomId;
+        this.setState({showingPinned: nowShowingPinned, searching: false});
+        SettingsStore.setValue("PinnedEvents.isOpen", roomId, SettingLevel.ROOM_DEVICE, nowShowingPinned);
     },
 
     onSettingsClick: function() {
-        this.showSettings(true);
+        dis.dispatch({ action: 'open_room_settings' });
     },
 
     onSettingsSaveClick: function() {
@@ -1172,24 +1180,20 @@ module.exports = React.createClass({
                 });
                 // still editing room settings
             } else {
-                this.setState({
-                    editingRoomSettings: false,
-                });
+                dis.dispatch({ action: 'close_settings' });
             }
         }).finally(() => {
             this.setState({
                 uploadingRoomSettings: false,
-                editingRoomSettings: false,
             });
+            dis.dispatch({ action: 'close_settings' });
         }).done();
     },
 
     onCancelClick: function() {
         console.log("updateTint from onCancelClick");
         this.updateTint();
-        this.setState({
-            editingRoomSettings: false,
-        });
+        dis.dispatch({ action: 'close_settings' });
         if (this.state.forwardingEvent) {
             dis.dispatch({
                 action: 'forward_event',
@@ -1406,13 +1410,6 @@ module.exports = React.createClass({
         });*/
     },
 
-    showSettings: function(show) {
-        // XXX: this is a bit naughty; we should be doing this via props
-        if (show) {
-            this.setState({editingRoomSettings: true});
-        }
-    },
-
     /**
      * called by the parent component when PageUp/Down/etc is pressed.
      *
@@ -1510,9 +1507,8 @@ module.exports = React.createClass({
             }
         }
 
-        const myUserId = MatrixClientPeg.get().credentials.userId;
-        const myMember = this.state.room.getMember(myUserId);
-        if (myMember && myMember.membership == 'invite') {
+        const myMembership = this.state.room.getMyMembership();
+        if (myMembership == 'invite') {
             if (this.state.joining || this.state.rejecting) {
                 return (
                     <div className="mx_RoomView">
@@ -1520,6 +1516,8 @@ module.exports = React.createClass({
                     </div>
                 );
             } else {
+                const myUserId = MatrixClientPeg.get().credentials.userId;
+                const myMember = this.state.room.getMember(myUserId);
                 const inviteEvent = myMember.events.member;
                 var inviterName = inviteEvent.sender ? inviteEvent.sender.name : inviteEvent.getSender();
 
@@ -1603,7 +1601,7 @@ module.exports = React.createClass({
         } else if (this.state.showingPinned) {
             hideCancel = true; // has own cancel
             aux = <PinnedEventsPanel room={this.state.room} onCancelClick={this.onPinnedClick} />;
-        } else if (!myMember || myMember.membership !== "join") {
+        } else if (myMembership !== "join") {
             // We do have a room object for this room, but we're not currently in it.
             // We may have a 3rd party invite to it.
             var inviterName = undefined;
@@ -1645,7 +1643,7 @@ module.exports = React.createClass({
         let messageComposer, searchInfo;
         const canSpeak = (
             // joined and not showing search results
-            myMember && (myMember.membership == 'join') && !this.state.searchResults
+            myMembership == 'join' && !this.state.searchResults
         );
         if (canSpeak) {
             messageComposer =
@@ -1780,15 +1778,15 @@ module.exports = React.createClass({
                     oobData={this.props.oobData}
                     editing={this.state.editingRoomSettings}
                     saving={this.state.uploadingRoomSettings}
-                    inRoom={myMember && myMember.membership === 'join'}
+                    inRoom={myMembership === 'join'}
                     collapsedRhs={this.props.collapsedRhs}
                     onSearchClick={this.onSearchClick}
                     onSettingsClick={this.onSettingsClick}
                     onPinnedClick={this.onPinnedClick}
                     onSaveClick={this.onSettingsSaveClick}
                     onCancelClick={(aux && !hideCancel) ? this.onCancelClick : null}
-                    onForgetClick={(myMember && myMember.membership === "leave") ? this.onForgetClick : null}
-                    onLeaveClick={(myMember && myMember.membership === "join") ? this.onLeaveClick : null}
+                    onForgetClick={(myMembership === "leave") ? this.onForgetClick : null}
+                    onLeaveClick={(myMembership === "join") ? this.onLeaveClick : null}
                 />
                 { auxPanel }
                 <div className={fadableSectionClasses}>

src/components/structures/TagPanel.js

@@ -1,5 +1,5 @@
 /*
-Copyright 2017 New Vector Ltd.
+Copyright 2017, 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.
@@ -26,6 +26,7 @@ import dis from '../../dispatcher';
 import { _t } from '../../languageHandler';
 
 import { Droppable } from 'react-beautiful-dnd';
+import classNames from 'classnames';
 
 const TagPanel = React.createClass({
     displayName: 'TagPanel',
@@ -84,7 +85,10 @@ const TagPanel = React.createClass({
     },
 
     onMouseDown(e) {
-        dis.dispatch({action: 'deselect_tags'});
+        // only dispatch if its not a no-op
+        if (this.state.selectedTags.length > 0) {
+            dis.dispatch({action: 'deselect_tags'});
+        }
     },
 
     onCreateGroupClick(ev) {
@@ -113,17 +117,26 @@ const TagPanel = React.createClass({
             />;
         });
 
-        const clearButton = this.state.selectedTags.length > 0 ?
-            <TintableSvg src="img/icons-close.svg" width="24" height="24"
-                alt={_t("Clear filter")}
-                title={_t("Clear filter")}
-            /> :
-            <div />;
+        const itemsSelected = this.state.selectedTags.length > 0;
 
-        return <div className="mx_TagPanel">
-            <AccessibleButton className="mx_TagPanel_clearButton" onClick={this.onClearFilterClick}>
+        let clearButton;
+        if (itemsSelected) {
+            clearButton = <AccessibleButton className="mx_TagPanel_clearButton" onClick={this.onClearFilterClick}>
+                <TintableSvg src="img/icons-close.svg" width="24" height="24"
+                             alt={_t("Clear filter")}
+                             title={_t("Clear filter")}
+                />
+            </AccessibleButton>;
+        }
+
+        const classes = classNames('mx_TagPanel', {
+            mx_TagPanel_items_selected: itemsSelected,
+        });
+
+        return <div className={classes}>
+            <div className="mx_TagPanel_clearButton_container">
                 { clearButton }
-            </AccessibleButton>
+            </div>
             <div className="mx_TagPanel_divider" />
             <GeminiScrollbarWrapper
                 className="mx_TagPanel_scroller"

src/components/structures/UserSettings.js

@@ -81,6 +81,7 @@ const SIMPLE_SETTINGS = [
     { id: "VideoView.flipVideoHorizontally" },
     { id: "TagPanel.disableTagPanel" },
     { id: "enableWidgetScreenshots" },
+    { id: "RoomSubList.showEmpty" },
 ];
 
 // These settings must be defined in SettingsStore
@@ -284,7 +285,13 @@ module.exports = React.createClass({
         this.setState({ electron_settings: settings });
     },
 
-    _refreshMediaDevices: function() {
+    _refreshMediaDevices: function(stream) {
+        if (stream) {
+            // kill stream so that we don't leave it lingering around with webcam enabled etc
+            // as here we called gUM to ask user for permission to their device names only
+            stream.getTracks().forEach((track) => track.stop());
+        }
+
         Promise.resolve().then(() => {
             return CallMediaHandler.getDevices();
         }).then((mediaDevices) => {
@@ -292,6 +299,7 @@ module.exports = React.createClass({
             if (this._unmounted) return;
             this.setState({
                 mediaDevices,
+                activeAudioOutput: SettingsStore.getValueAt(SettingLevel.DEVICE, 'webrtc_audiooutput'),
                 activeAudioInput: SettingsStore.getValueAt(SettingLevel.DEVICE, 'webrtc_audioinput'),
                 activeVideoInput: SettingsStore.getValueAt(SettingLevel.DEVICE, 'webrtc_videoinput'),
             });
@@ -422,7 +430,6 @@ module.exports = React.createClass({
                 "push notifications on other devices until you log back in to them",
             ) + ".",
         });
-        dis.dispatch({action: 'password_changed'});
     },
 
     _onAddEmailEditFinished: function(value, shouldSubmit) {
@@ -837,8 +844,16 @@ module.exports = React.createClass({
         SettingsStore.getLabsFeatures().forEach((featureId) => {
             // TODO: this ought to be a separate component so that we don't need
             // to rebind the onChange each time we render
-            const onChange = (e) => {
-                SettingsStore.setFeatureEnabled(featureId, e.target.checked);
+            const onChange = async (e) => {
+                const checked = e.target.checked;
+                if (featureId === "feature_lazyloading") {
+                    const confirmed = await this._onLazyLoadChanging(checked);
+                    if (!confirmed) {
+                        e.preventDefault();
+                        return;
+                    }
+                }
+                await SettingsStore.setFeatureEnabled(featureId, checked);
                 this.forceUpdate();
             };
 
@@ -848,7 +863,7 @@ module.exports = React.createClass({
                         type="checkbox"
                         id={featureId}
                         name={featureId}
-                        defaultChecked={SettingsStore.isFeatureEnabled(featureId)}
+                        checked={SettingsStore.isFeatureEnabled(featureId)}
                         onChange={onChange}
                     />
                     <label htmlFor={featureId}>{ SettingsStore.getDisplayName(featureId) }</label>
@@ -871,6 +886,30 @@ module.exports = React.createClass({
         );
     },
 
+    _onLazyLoadChanging: async function(enabling) {
+        // don't prevent turning LL off when not supported
+        if (enabling) {
+            const supported = await MatrixClientPeg.get().doesServerSupportLazyLoading();
+            if (!supported) {
+                await new Promise((resolve) => {
+                    const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
+                    Modal.createDialog(QuestionDialog, {
+                        title: _t("Lazy loading members not supported"),
+                        description:
+                            <div>
+                         { _t("Lazy loading is not supported by your " +
+                            "current homeserver.") }
+                            </div>,
+                        button: _t("OK"),
+                        onFinished: resolve,
+                    });
+                });
+                return false;
+            }
+        }
+        return true;
+    },
+
     _renderDeactivateAccount: function() {
         return <div>
             <h3>{ _t("Deactivate Account") }</h3>
@@ -970,6 +1009,11 @@ module.exports = React.createClass({
         return devices.map((device) => <span key={device.deviceId}>{ device.label }</span>);
     },
 
+    _setAudioOutput: function(deviceId) {
+        this.setState({activeAudioOutput: deviceId});
+        CallMediaHandler.setAudioOutput(deviceId);
+    },
+
     _setAudioInput: function(deviceId) {
         this.setState({activeAudioInput: deviceId});
         CallMediaHandler.setAudioInput(deviceId);
@@ -1010,6 +1054,7 @@ module.exports = React.createClass({
 
         const Dropdown = sdk.getComponent('elements.Dropdown');
 
+        let speakerDropdown = <p>{ _t('No Audio Outputs detected') }</p>;
         let microphoneDropdown = <p>{ _t('No Microphones detected') }</p>;
         let webcamDropdown = <p>{ _t('No Webcams detected') }</p>;
 
@@ -1018,6 +1063,26 @@ module.exports = React.createClass({
             label: _t('Default Device'),
         };
 
+        const audioOutputs = this.state.mediaDevices.audiooutput.slice(0);
+        if (audioOutputs.length > 0) {
+            let defaultOutput = '';
+            if (!audioOutputs.some((input) => input.deviceId === 'default')) {
+                audioOutputs.unshift(defaultOption);
+            } else {
+                defaultOutput = 'default';
+            }
+
+            speakerDropdown = <div>
+                <h4>{ _t('Audio Output') }</h4>
+                <Dropdown
+                    className="mx_UserSettings_webRtcDevices_dropdown"
+                    value={this.state.activeAudioOutput || defaultOutput}
+                    onOptionChange={this._setAudioOutput}>
+                    { this._mapWebRtcDevicesToSpans(audioOutputs) }
+                </Dropdown>
+            </div>;
+        }
+
         const audioInputs = this.state.mediaDevices.audioinput.slice(0);
         if (audioInputs.length > 0) {
             let defaultInput = '';
@@ -1059,8 +1124,9 @@ module.exports = React.createClass({
         }
 
         return <div>
-                { microphoneDropdown }
-                { webcamDropdown }
+            { speakerDropdown }
+            { microphoneDropdown }
+            { webcamDropdown }
         </div>;
     },
 
@@ -1074,6 +1140,14 @@ module.exports = React.createClass({
         </div>;
     },
 
+    onSelfShareClick: function() {
+        const cli = MatrixClientPeg.get();
+        const ShareDialog = sdk.getComponent("dialogs.ShareDialog");
+        Modal.createTrackedDialog('share self dialog', '', ShareDialog, {
+            target: cli.getUser(this._me),
+        });
+    },
+
     _showSpoiler: function(event) {
         const target = event.target;
         target.innerHTML = target.getAttribute('data-spoiler');
@@ -1295,10 +1369,13 @@ module.exports = React.createClass({
 
                 <div className="mx_UserSettings_section">
                     <div className="mx_UserSettings_advanced">
-                        { _t("Logged in as:") } { this._me }
+                        { _t("Logged in as:") + ' ' }
+                        <a onClick={this.onSelfShareClick} className="mx_UserSettings_link">
+                            { this._me }
+                        </a>
                     </div>
                     <div className="mx_UserSettings_advanced">
-                        { _t('Access Token:') }
+                        { _t('Access Token:') + ' ' }
                         <span className="mx_UserSettings_advanced_spoiler"
                                 onClick={this._showSpoiler}
                                 data-spoiler={MatrixClientPeg.get().getAccessToken()}>

src/components/structures/login/ForgotPassword.js

@@ -1,6 +1,6 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
-Copyright 2017 New Vector Ltd
+Copyright 2017, 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.
@@ -15,8 +15,6 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-'use strict';
-
 import React from 'react';
 import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
@@ -45,6 +43,8 @@ module.exports = React.createClass({
             enteredHomeserverUrl: this.props.customHsUrl || this.props.defaultHsUrl,
             enteredIdentityServerUrl: this.props.customIsUrl || this.props.defaultIsUrl,
             progress: null,
+            password: null,
+            password2: null,
         };
     },
 
@@ -103,7 +103,7 @@ module.exports = React.createClass({
                     </div>,
                 button: _t('Continue'),
                 extraButtons: [
-                    <button className="mx_Dialog_primary"
+                    <button key="export_keys" className="mx_Dialog_primary"
                             onClick={this._onExportE2eKeysClicked}>
                         { _t('Export E2E room keys') }
                     </button>,
@@ -169,7 +169,8 @@ module.exports = React.createClass({
         } else if (this.state.progress === "sent_email") {
             resetPasswordJsx = (
                 <div className="mx_Login_prompt">
-                    { _t("An email has been sent to %(emailAddress)s. Once you've followed the link it contains, click below.", { emailAddress: this.state.email }) }
+                    { _t("An email has been sent to %(emailAddress)s. Once you've followed the link it contains, " +
+                        "click below.", { emailAddress: this.state.email }) }
                     <br />
                     <input className="mx_Login_submit" type="button" onClick={this.onVerify}
                         value={_t('I have verified my email address')} />
@@ -179,14 +180,15 @@ module.exports = React.createClass({
             resetPasswordJsx = (
                 <div className="mx_Login_prompt">
                     <p>{ _t('Your password has been reset') }.</p>
-                    <p>{ _t('You have been logged out of all devices and will no longer receive push notifications. To re-enable notifications, sign in again on each device') }.</p>
+                    <p>{ _t('You have been logged out of all devices and will no longer receive push notifications. ' +
+                        'To re-enable notifications, sign in again on each device') }.</p>
                     <input className="mx_Login_submit" type="button" onClick={this.props.onComplete}
                         value={_t('Return to login screen')} />
                 </div>
             );
         } else {
             let serverConfigSection;
-            if (!SdkConfig.get().disable_custom_urls) {
+            if (!SdkConfig.get()['disable_custom_urls']) {
                 serverConfigSection = (
                     <ServerConfig ref="serverConfig"
                         withToggleButton={true}
@@ -199,6 +201,8 @@ module.exports = React.createClass({
                 );
             }
 
+            const LanguageSelector = sdk.getComponent('structures.login.LanguageSelector');
+
             resetPasswordJsx = (
             <div>
                 <div className="mx_Login_prompt">
@@ -233,6 +237,7 @@ module.exports = React.createClass({
                     <a className="mx_Login_create" onClick={this.props.onRegisterClick} href="#">
                         { _t('Create an account') }
                     </a>
+                    <LanguageSelector />
                     <LoginFooter />
                 </div>
             </div>

src/components/structures/login/LanguageSelector.js

@@ -0,0 +1,38 @@
+/*
+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 SdkConfig from "../../../SdkConfig";
+import {getCurrentLanguage} from "../../../languageHandler";
+import SettingsStore, {SettingLevel} from "../../../settings/SettingsStore";
+import PlatformPeg from "../../../PlatformPeg";
+import sdk from '../../../index';
+import React from 'react';
+
+function onChange(newLang) {
+    if (getCurrentLanguage() !== newLang) {
+        SettingsStore.setValue("language", null, SettingLevel.DEVICE, newLang);
+        PlatformPeg.get().reload();
+    }
+}
+
+export default function LanguageSelector() {
+    if (SdkConfig.get()['disable_login_language_selector']) return <div />;
+
+    const LanguageDropdown = sdk.getComponent('views.elements.LanguageDropdown');
+    return <div className="mx_Login_language_div">
+        <LanguageDropdown onOptionChange={onChange} className="mx_Login_language" value={getCurrentLanguage()} />
+    </div>;
+}

src/components/structures/login/Login.js

@@ -1,6 +1,7 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
 Copyright 2017 Vector Creations Ltd
+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.
@@ -19,16 +20,15 @@ limitations under the License.
 
 import React from 'react';
 import PropTypes from 'prop-types';
-import { _t } from '../../../languageHandler';
-import * as languageHandler from '../../../languageHandler';
+import { _t, _td } from '../../../languageHandler';
 import sdk from '../../../index';
 import Login from '../../../Login';
-import PlatformPeg from '../../../PlatformPeg';
 import SdkConfig from '../../../SdkConfig';
-import SettingsStore, {SettingLevel} from "../../../settings/SettingsStore";
+import SettingsStore from "../../../settings/SettingsStore";
+import { messageForResourceLimitError } from '../../../utils/ErrorUtils';
 
 // For validating phone numbers without country codes
-const PHONE_NUMBER_REGEX = /^[0-9\(\)\-\s]*$/;
+const PHONE_NUMBER_REGEX = /^[0-9()\-\s]*$/;
 
 /**
  * A wire component which glues together login UI components and Login logic
@@ -94,6 +94,13 @@ module.exports = React.createClass({
         this._unmounted = true;
     },
 
+    onPasswordLoginError: function(errorText) {
+        this.setState({
+            errorText,
+            loginIncorrect: Boolean(errorText),
+        });
+    },
+
     onPasswordLogin: function(username, phoneCountry, phoneNumber, password) {
         this.setState({
             busy: true,
@@ -113,10 +120,34 @@ module.exports = React.createClass({
 
             // Some error strings only apply for logging in
             const usingEmail = username.indexOf("@") > 0;
-            if (error.httpStatus == 400 && usingEmail) {
+            if (error.httpStatus === 400 && usingEmail) {
                 errorText = _t('This Home Server does not support login using email address.');
+            } else if (error.errcode == 'M_RESOURCE_LIMIT_EXCEEDED') {
+                const errorTop = messageForResourceLimitError(
+                    error.data.limit_type,
+                    error.data.admin_contact, {
+                    'monthly_active_user': _td(
+                        "This homeserver has hit its Monthly Active User limit.",
+                    ),
+                    '': _td(
+                        "This homeserver has exceeded one of its resource limits.",
+                    ),
+                });
+                const errorDetail = messageForResourceLimitError(
+                    error.data.limit_type,
+                    error.data.admin_contact, {
+                    '': _td(
+                        "Please <a>contact your service administrator</a> to continue using this service.",
+                    ),
+                });
+                errorText = (
+                    <div>
+                        <div>{errorTop}</div>
+                        <div className="mx_Login_smallError">{errorDetail}</div>
+                    </div>
+                );
             } else if (error.httpStatus === 401 || error.httpStatus === 403) {
-                if (SdkConfig.get().disable_custom_urls) {
+                if (SdkConfig.get()['disable_custom_urls']) {
                     errorText = (
                         <div>
                             <div>{ _t('Incorrect username and/or password.') }</div>
@@ -143,7 +174,7 @@ module.exports = React.createClass({
                 // but the login API gives a 403 https://matrix.org/jira/browse/SYN-744
                 // mentions this (although the bug is for UI auth which is not this)
                 // We treat both as an incorrect password
-                loginIncorrect: error.httpStatus === 401 || error.httpStatus == 403,
+                loginIncorrect: error.httpStatus === 401 || error.httpStatus === 403,
             });
         }).finally(() => {
             if (this._unmounted) {
@@ -231,7 +262,7 @@ module.exports = React.createClass({
         hsUrl = hsUrl || this.state.enteredHomeserverUrl;
         isUrl = isUrl || this.state.enteredIdentityServerUrl;
 
-        const fallbackHsUrl = hsUrl == this.props.defaultHsUrl ? this.props.fallbackHsUrl : null;
+        const fallbackHsUrl = hsUrl === this.props.defaultHsUrl ? this.props.fallbackHsUrl : null;
 
         const loginLogic = new Login(hsUrl, isUrl, fallbackHsUrl, {
             defaultDeviceDisplayName: this.props.defaultDeviceDisplayName,
@@ -310,19 +341,27 @@ module.exports = React.createClass({
                  !this.state.enteredHomeserverUrl.startsWith("http"))
             ) {
                 errorText = <span>
-                    {
-                        _t("Can't connect to homeserver via HTTP when an HTTPS URL is in your browser bar. " +
-                            "Either use HTTPS or <a>enable unsafe scripts</a>.",
-                            {},
-                            { 'a': (sub) => { return <a href="https://www.google.com/search?&q=enable%20unsafe%20scripts">{ sub }</a>; } },
+                    { _t("Can't connect to homeserver via HTTP when an HTTPS URL is in your browser bar. " +
+                        "Either use HTTPS or <a>enable unsafe scripts</a>.", {},
+                        {
+                            'a': (sub) => {
+                                return <a href="https://www.google.com/search?&q=enable%20unsafe%20scripts">
+                                    { sub }
+                                </a>;
+                            },
+                        },
                     ) }
                 </span>;
             } else {
                 errorText = <span>
-                    {
-                        _t("Can't connect to homeserver - please check your connectivity, ensure your <a>homeserver's SSL certificate</a> is trusted, and that a browser extension is not blocking requests.",
-                            {},
-                            { 'a': (sub) => { return <a href={this.state.enteredHomeserverUrl}>{ sub }</a>; } },
+                    { _t("Can't connect to homeserver - please check your connectivity, ensure your " +
+                        "<a>homeserver's SSL certificate</a> is trusted, and that a browser extension " +
+                        "is not blocking requests.", {},
+                        {
+                            'a': (sub) => {
+                                return <a href={this.state.enteredHomeserverUrl}>{ sub }</a>;
+                            },
+                        },
                     ) }
                 </span>;
             }
@@ -350,6 +389,7 @@ module.exports = React.createClass({
         return (
             <PasswordLogin
                onSubmit={this.onPasswordLogin}
+               onError={this.onPasswordLoginError}
                initialUsername={this.state.username}
                initialPhoneCountry={this.state.phoneCountry}
                initialPhoneNumber={this.state.phoneNumber}
@@ -370,23 +410,6 @@ module.exports = React.createClass({
         );
     },
 
-    _onLanguageChange: function(newLang) {
-        if (languageHandler.getCurrentLanguage() !== newLang) {
-            SettingsStore.setValue("language", null, SettingLevel.DEVICE, newLang);
-            PlatformPeg.get().reload();
-        }
-    },
-
-    _renderLanguageSetting: function() {
-        const LanguageDropdown = sdk.getComponent('views.elements.LanguageDropdown');
-        return <div className="mx_Login_language_div">
-            <LanguageDropdown onOptionChange={this._onLanguageChange}
-                          className="mx_Login_language"
-                          value={languageHandler.getCurrentLanguage()}
-            />
-        </div>;
-    },
-
     render: function() {
         const Loader = sdk.getComponent("elements.Spinner");
         const LoginPage = sdk.getComponent("login.LoginPage");
@@ -399,25 +422,14 @@ module.exports = React.createClass({
         if (this.props.enableGuest) {
             loginAsGuestJsx =
                 <a className="mx_Login_create" onClick={this._onLoginAsGuestClick} href="#">
-                    { _t('Login as guest') }
+                    { _t('Try the app first') }
                 </a>;
         }
 
-        let returnToAppJsx;
-        /*
-        // with the advent of ILAG I don't think we need this any more
-        if (this.props.onCancelClick) {
-            returnToAppJsx =
-                <a className="mx_Login_create" onClick={this.props.onCancelClick} href="#">
-                    { _t('Return to app') }
-                </a>;
-        }
-        */
-
         let serverConfig;
         let header;
 
-        if (!SdkConfig.get().disable_custom_urls) {
+        if (!SdkConfig.get()['disable_custom_urls']) {
             serverConfig = <ServerConfig ref="serverConfig"
                 withToggleButton={true}
                 customHsUrl={this.props.customHsUrl}
@@ -447,6 +459,8 @@ module.exports = React.createClass({
             );
         }
 
+        const LanguageSelector = sdk.getComponent('structures.login.LanguageSelector');
+
         return (
             <LoginPage>
                 <div className="mx_Login_box">
@@ -460,8 +474,7 @@ module.exports = React.createClass({
                             { _t('Create an account') }
                         </a>
                         { loginAsGuestJsx }
-                        { returnToAppJsx }
-                        { !SdkConfig.get().disable_login_language_selector ? this._renderLanguageSetting() : '' }
+                        <LanguageSelector />
                         <LoginFooter />
                     </div>
                 </div>

src/components/structures/login/Registration.js

@@ -1,6 +1,7 @@
 /*
 Copyright 2015, 2016 OpenMarket Ltd
 Copyright 2017 Vector Creations Ltd
+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.
@@ -22,13 +23,13 @@ import React from 'react';
 import PropTypes from 'prop-types';
 
 import sdk from '../../../index';
-import ServerConfig from '../../views/login/ServerConfig';
 import MatrixClientPeg from '../../../MatrixClientPeg';
 import RegistrationForm from '../../views/login/RegistrationForm';
 import RtsClient from '../../../RtsClient';
-import { _t } from '../../../languageHandler';
+import { _t, _td } from '../../../languageHandler';
 import SdkConfig from '../../../SdkConfig';
 import SettingsStore from "../../../settings/SettingsStore";
+import { messageForResourceLimitError } from '../../../utils/ErrorUtils';
 
 const MIN_PASSWORD_LENGTH = 6;
 
@@ -62,6 +63,12 @@ module.exports = React.createClass({
         onLoginClick: PropTypes.func.isRequired,
         onCancelClick: PropTypes.func,
         onServerConfigChange: PropTypes.func.isRequired,
+
+        rtsClient: PropTypes.shape({
+            getTeamsConfig: PropTypes.func.isRequired,
+            trackReferral: PropTypes.func.isRequired,
+            getTeam: PropTypes.func.isRequired,
+        }),
     },
 
     getInitialState: function() {
@@ -133,7 +140,7 @@ module.exports = React.createClass({
             newState.isUrl = config.isUrl;
         }
         this.props.onServerConfigChange(config);
-        this.setState(newState, function() {
+        this.setState(newState, () => {
             this._replaceClient();
         });
     },
@@ -158,12 +165,34 @@ module.exports = React.createClass({
         if (!success) {
             let msg = response.message || response.toString();
             // can we give a better error message?
-            if (response.required_stages && response.required_stages.indexOf('m.login.msisdn') > -1) {
-                let msisdn_available = false;
+            if (response.errcode == 'M_RESOURCE_LIMIT_EXCEEDED') {
+                const errorTop = messageForResourceLimitError(
+                    response.data.limit_type,
+                    response.data.admin_contact, {
+                    'monthly_active_user': _td(
+                        "This homeserver has hit its Monthly Active User limit.",
+                    ),
+                    '': _td(
+                        "This homeserver has exceeded one of its resource limits.",
+                    ),
+                });
+                const errorDetail = messageForResourceLimitError(
+                    response.data.limit_type,
+                    response.data.admin_contact, {
+                    '': _td(
+                        "Please <a>contact your service administrator</a> to continue using this service.",
+                    ),
+                });
+                msg = <div>
+                    <p>{errorTop}</p>
+                    <p>{errorDetail}</p>
+                </div>;
+            } else if (response.required_stages && response.required_stages.indexOf('m.login.msisdn') > -1) {
+                let msisdnAvailable = false;
                 for (const flow of response.available_flows) {
-                    msisdn_available |= flow.stages.indexOf('m.login.msisdn') > -1;
+                    msisdnAvailable |= flow.stages.indexOf('m.login.msisdn') > -1;
                 }
-                if (!msisdn_available) {
+                if (!msisdnAvailable) {
                     msg = _t('This server does not support authentication with a phone number.');
                 }
             }
@@ -242,7 +271,7 @@ module.exports = React.createClass({
         return matrixClient.getPushers().then((resp)=>{
             const pushers = resp.pushers;
             for (let i = 0; i < pushers.length; ++i) {
-                if (pushers[i].kind == 'email') {
+                if (pushers[i].kind === 'email') {
                     const emailPusher = pushers[i];
                     emailPusher.data = { brand: this.props.brand };
                     matrixClient.setPusher(emailPusher).done(() => {
@@ -267,7 +296,7 @@ module.exports = React.createClass({
                 errMsg = _t('Passwords don\'t match.');
                 break;
             case "RegistrationForm.ERR_PASSWORD_LENGTH":
-                errMsg = _t('Password too short (min %(MIN_PASSWORD_LENGTH)s).', {MIN_PASSWORD_LENGTH: MIN_PASSWORD_LENGTH});
+                errMsg = _t('Password too short (min %(MIN_PASSWORD_LENGTH)s).', {MIN_PASSWORD_LENGTH});
                 break;
             case "RegistrationForm.ERR_EMAIL_INVALID":
                 errMsg = _t('This doesn\'t look like a valid email address.');
@@ -353,7 +382,7 @@ module.exports = React.createClass({
             registerBody = <Spinner />;
         } else {
             let serverConfigSection;
-            if (!SdkConfig.get().disable_custom_urls) {
+            if (!SdkConfig.get()['disable_custom_urls']) {
                 serverConfigSection = (
                     <ServerConfig ref="serverConfig"
                         withToggleButton={true}
@@ -385,18 +414,6 @@ module.exports = React.createClass({
             );
         }
 
-        let returnToAppJsx;
-        /*
-        // with the advent of ILAG I don't think we need this any more
-        if (this.props.onCancelClick) {
-            returnToAppJsx = (
-                <a className="mx_Login_create" onClick={this.props.onCancelClick} href="#">
-                    { _t('Return to app') }
-                </a>
-            );
-        }
-        */
-
         let header;
         let errorText;
         // FIXME: remove hardcoded Status team tweaks at some point
@@ -418,6 +435,8 @@ module.exports = React.createClass({
             );
         }
 
+        const LanguageSelector = sdk.getComponent('structures.login.LanguageSelector');
+
         return (
             <LoginPage>
                 <div className="mx_Login_box">
@@ -431,7 +450,7 @@ module.exports = React.createClass({
                     { registerBody }
                     { signIn }
                     { errorText }
-                    { returnToAppJsx }
+                    <LanguageSelector />
                     <LoginFooter />
                 </div>
             </LoginPage>