Render Jitsi widget state events in a more obvious way

A clear improvement to this would be to include join/leave buttons in the tiles, however this is currently deferred.

res/css/_components.scss

@@ -139,6 +139,7 @@
 @import "./views/messages/_MEmoteBody.scss";
 @import "./views/messages/_MFileBody.scss";
 @import "./views/messages/_MImageBody.scss";
+@import "./views/messages/_MJitsiWidgetEvent.scss";
 @import "./views/messages/_MNoticeBody.scss";
 @import "./views/messages/_MStickerBody.scss";
 @import "./views/messages/_MTextBody.scss";

res/css/views/messages/_MJitsiWidgetEvent.scss

@@ -0,0 +1,55 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+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.
+*/
+
+.mx_MJitsiWidgetEvent {
+    display: grid;
+    grid-template-columns: 24px minmax(0, 1fr) min-content;
+
+    &::before {
+        grid-column: 1;
+        grid-row: 1 / 3;
+        width: 16px;
+        height: 16px;
+        content: "";
+        top: 0;
+        bottom: 0;
+        left: 0;
+        right: 0;
+        mask-repeat: no-repeat;
+        mask-position: center;
+        mask-size: contain;
+        background-color: $composer-e2e-icon-color; // XXX: Variable abuse
+        margin-top: 4px;
+        mask-image: url('$(res)/img/element-icons/call/video-call.svg');
+    }
+
+    .mx_MJitsiWidgetEvent_title {
+        font-weight: 600;
+        font-size: $font-15px;
+        grid-column: 2;
+        grid-row: 1;
+    }
+
+    .mx_MJitsiWidgetEvent_subtitle {
+        grid-column: 2;
+        grid-row: 2;
+    }
+
+    .mx_MJitsiWidgetEvent_title,
+    .mx_MJitsiWidgetEvent_subtitle {
+        overflow-wrap: break-word;
+    }
+}

src/TextForEvent.js

@@ -476,10 +476,6 @@ function textForWidgetEvent(event) {
     const {name: prevName, type: prevType, url: prevUrl} = event.getPrevContent();
     const {name, type, url} = event.getContent() || {};
 
-    if (WidgetType.JITSI.matches(type) || WidgetType.JITSI.matches(prevType)) {
-        return textForJitsiWidgetEvent(event, senderName, url, prevUrl);
-    }
-
     let widgetName = name || prevName || type || prevType || '';
     // Apply sentence case to widget name
     if (widgetName && widgetName.length > 0) {

src/components/views/messages/MJitsiWidgetEvent.tsx

@@ -0,0 +1,74 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
+import { _t } from "../../../languageHandler";
+
+interface IProps {
+    mxEvent: MatrixEvent;
+}
+
+interface IState {
+}
+
+export default class MJitsiWidgetEvent extends React.PureComponent<IProps, IState> {
+    constructor(props) {
+        super(props);
+        this.state = {};
+    }
+
+    render() {
+        const url = this.props.mxEvent.getContent()['url'];
+        const prevUrl = this.props.mxEvent.getPrevContent()['url'];
+        const senderName = this.props.mxEvent.sender?.name || this.props.mxEvent.getSender();
+
+        if (!url) {
+            // removed
+            return (
+                <div className='mx_EventTile_bubble mx_MJitsiWidgetEvent'>
+                    <div className='mx_MJitsiWidgetEvent_title'>
+                        {_t("Video conference ended by %(senderName)s", {senderName})}
+                    </div>
+                </div>
+            );
+        } else if (prevUrl) {
+            // modified
+            return (
+                <div className='mx_EventTile_bubble mx_MJitsiWidgetEvent'>
+                    <div className='mx_MJitsiWidgetEvent_title'>
+                        {_t("Video conference updated by %(senderName)s", {senderName})}
+                    </div>
+                    <div className='mx_MJitsiWidgetEvent_subtitle'>
+                        {_t("Join the conference at the top of this room.")}
+                    </div>
+                </div>
+            );
+        } else {
+            // assume added
+            return (
+                <div className='mx_EventTile_bubble mx_MJitsiWidgetEvent'>
+                    <div className='mx_MJitsiWidgetEvent_title'>
+                        {_t("Video conference started by %(senderName)s", {senderName})}
+                    </div>
+                    <div className='mx_MJitsiWidgetEvent_subtitle'>
+                        {_t("Join the conference at the top of this room.")}
+                    </div>
+                </div>
+            );
+        }
+    }
+}

src/components/views/rooms/EventTile.js

@@ -34,6 +34,7 @@ import * as ObjectUtils from "../../../ObjectUtils";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import {E2E_STATE} from "./E2EIcon";
 import {toRem} from "../../../utils/units";
+import {WidgetType} from "../../../widgets/WidgetType";
 
 const eventTileTypes = {
     'm.room.message': 'messages.MessageEvent',
@@ -110,6 +111,19 @@ export function getHandlerTile(ev) {
         }
     }
 
+    // TODO: Enable support for m.widget event type (https://github.com/vector-im/element-web/issues/13111)
+    if (type === "im.vector.modular.widgets") {
+        let type = ev.getContent()['type'];
+        if (!type) {
+            // deleted/invalid widget - try the past widget type
+            type = ev.getPrevContent()['type'];
+        }
+
+        if (WidgetType.JITSI.matches(type)) {
+            return "messages.MJitsiWidgetEvent";
+        }
+    }
+
     return ev.isState() ? stateEventTileTypes[type] : eventTileTypes[type];
 }
 
@@ -619,16 +633,18 @@ export default class EventTile extends React.Component {
         const msgtype = content.msgtype;
         const eventType = this.props.mxEvent.getType();
 
+        let tileHandler = getHandlerTile(this.props.mxEvent);
+
         // Info messages are basically information about commands processed on a room
         const isBubbleMessage = eventType.startsWith("m.key.verification") ||
             (eventType === "m.room.message" && msgtype && msgtype.startsWith("m.key.verification")) ||
-            (eventType === "m.room.encryption");
+            (eventType === "m.room.encryption") ||
+            (tileHandler === "messages.MJitsiWidgetEvent");
         let isInfoMessage = (
             !isBubbleMessage && eventType !== 'm.room.message' &&
             eventType !== 'm.sticker' && eventType !== 'm.room.create'
         );
 
-        let tileHandler = getHandlerTile(this.props.mxEvent);
         // If we're showing hidden events in the timeline, we should use the
         // source tile when there's no regular tile for an event and also for
         // replace relations (which otherwise would display as a confusing

src/i18n/strings/en_EN.json

@@ -1405,6 +1405,10 @@
     "Invalid file%(extra)s": "Invalid file%(extra)s",
     "Error decrypting image": "Error decrypting image",
     "Show image": "Show image",
+    "Video conference ended by %(senderName)s": "Video conference ended by %(senderName)s",
+    "Video conference updated by %(senderName)s": "Video conference updated by %(senderName)s",
+    "Join the conference at the top of this room.": "Join the conference at the top of this room.",
+    "Video conference started by %(senderName)s": "Video conference started by %(senderName)s",
     "You have ignored this user, so their message is hidden. <a>Show anyways.</a>": "You have ignored this user, so their message is hidden. <a>Show anyways.</a>",
     "You verified %(name)s": "You verified %(name)s",
     "You cancelled verifying %(name)s": "You cancelled verifying %(name)s",