Consolidate all EventTile bubble stuff into its own component and use it for the room continuation plinth

res/css/_components.scss

@@ -139,6 +139,7 @@
 @import "./views/groups/_GroupUserSettings.scss";
 @import "./views/messages/_CreateEvent.scss";
 @import "./views/messages/_DateSeparator.scss";
+@import "./views/messages/_EventTileBubble.scss";
 @import "./views/messages/_MEmoteBody.scss";
 @import "./views/messages/_MFileBody.scss";
 @import "./views/messages/_MImageBody.scss";

res/css/views/messages/_CreateEvent.scss

@@ -1,5 +1,5 @@
 /*
-Copyright 2018 New Vector Ltd
+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.
@@ -15,25 +15,17 @@ limitations under the License.
 */
 
 .mx_CreateEvent {
-    background-color: $info-plinth-bg-color;
-    padding-left: 20px;
-    padding-right: 20px;
-    padding-top: 10px;
-    padding-bottom: 10px;
-}
+    // override default EventTileBubble styling
+    padding-left: 80px !important;
 
-.mx_CreateEvent_image {
-    float: left;
-    margin-right: 20px;
-    width: 72px;
-    height: 34px;
-
-    background-color: $primary-fg-color;
-    mask: url('$(res)/img/room-continuation.svg');
-    mask-repeat: no-repeat;
-    mask-position: center;
-}
-
-.mx_CreateEvent_header {
-    font-weight: bold;
+    &::before {
+        background-color: $primary-fg-color;
+        mask-image: url('$(res)/img/room-continuation.svg');
+        mask-repeat: no-repeat;
+        mask-position: center;
+        mask-size: 100%;
+        width: 72px !important;
+        height: 34px !important;
+        left: -64px !important;
+    }
 }

res/css/views/messages/_EventTileBubble.scss

@@ -0,0 +1,63 @@
+/*
+Copyright 2019, 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_EventTileBubble {
+    background-color: $dark-panel-bg-color;
+    padding: 10px;
+    border-radius: 8px;
+    margin: 10px auto;
+    max-width: 75%;
+    box-sizing: border-box;
+    display: grid;
+    grid-template-columns: 24px minmax(0, 1fr) min-content;
+
+    &::before, &::after {
+        position: relative;
+        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;
+        margin-top: 4px;
+    }
+
+    .mx_EventTileBubble_title, .mx_EventTileBubble_subtitle {
+        overflow-wrap: break-word;
+    }
+
+    .mx_EventTileBubble_title {
+        font-weight: 600;
+        font-size: $font-15px;
+        grid-column: 2;
+        grid-row: 1;
+    }
+
+    .mx_EventTileBubble_subtitle {
+        grid-column: 2;
+        grid-row: 2;
+    }
+
+    .mx_EventTileBubble_subtitle {
+        font-size: $font-12px;
+    }
+}

res/css/views/messages/_MJitsiWidgetEvent.scss

@@ -15,41 +15,8 @@ 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;
-    }
 }

res/css/views/messages/_common_CryptoEvent.scss

@@ -15,28 +15,6 @@ limitations under the License.
 */
 
 .mx_cryptoEvent {
-    display: grid;
-    grid-template-columns: 24px minmax(0, 1fr) min-content;
-
-    &.mx_cryptoEvent_icon::before,
-    &.mx_cryptoEvent_icon::after {
-        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;
-        mask-image: url('$(res)/img/e2e/normal.svg');
-        background-color: $composer-e2e-icon-color;
-        margin-top: 4px;
-    }
-
     // white infill for the transparency
     &.mx_cryptoEvent_icon::before {
         background-color: #ffffff;
@@ -46,6 +24,11 @@ limitations under the License.
         mask-size: 90%;
     }
 
+    &.mx_cryptoEvent_icon::after {
+        mask-image: url('$(res)/img/e2e/normal.svg');
+        background-color: $composer-e2e-icon-color;
+    }
+
     &.mx_cryptoEvent_icon_verified::after {
         mask-image: url("$(res)/img/e2e/verified.svg");
         background-color: $accent-color;
@@ -56,25 +39,6 @@ limitations under the License.
         background-color: $notice-primary-color;
     }
 
-    .mx_cryptoEvent_title, .mx_cryptoEvent_subtitle, .mx_cryptoEvent_state {
-        overflow-wrap: break-word;
-    }
-
-    .mx_cryptoEvent_title {
-        font-weight: 600;
-        font-size: $font-15px;
-        grid-column: 2;
-        grid-row: 1;
-    }
-
-    .mx_cryptoEvent_subtitle {
-        grid-column: 2;
-        grid-row: 2;
-    }
-
-    .mx_cryptoEvent_state, .mx_cryptoEvent_subtitle {
-        font-size: $font-12px;
-    }
 
     .mx_cryptoEvent_state, .mx_cryptoEvent_buttons {
         grid-column: 3;
@@ -92,5 +56,7 @@ limitations under the License.
         margin: auto 0;
         text-align: center;
         color: $notice-secondary-color;
+        overflow-wrap: break-word;
+        font-size: $font-12px;
     }
 }

res/css/views/rooms/_EventTile.scss

@@ -25,15 +25,6 @@ $left-gutter: 64px;
     position: relative;
 }
 
-.mx_EventTile_bubble {
-    background-color: $dark-panel-bg-color;
-    padding: 10px;
-    border-radius: 5px;
-    margin: 10px auto;
-    max-width: 75%;
-    box-sizing: border-box;
-}
-
 .mx_EventTile.mx_EventTile_info {
     padding-top: 0px;
 }

src/components/views/messages/EncryptionEvent.js

@@ -18,42 +18,35 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 import { MatrixClientPeg } from '../../../MatrixClientPeg';
+import EventTileBubble from "./EventTileBubble";
 
 export default class EncryptionEvent extends React.Component {
     render() {
         const {mxEvent} = this.props;
 
-        let body;
-        let classes = "mx_EventTile_bubble mx_cryptoEvent mx_cryptoEvent_icon";
         const isRoomEncrypted = MatrixClientPeg.get().isRoomEncrypted(mxEvent.getRoomId());
         if (mxEvent.getContent().algorithm === 'm.megolm.v1.aes-sha2' && isRoomEncrypted) {
-            body = <div>
-                <div className="mx_cryptoEvent_title">{_t("Encryption enabled")}</div>
-                <div className="mx_cryptoEvent_subtitle">
-                    {_t(
-                        "Messages in this room are end-to-end encrypted. " +
-                        "Learn more & verify this user in their user profile.",
-                    )}
-                </div>
-            </div>;
+            return <EventTileBubble
+                className="mx_cryptoEvent mx_cryptoEvent_icon"
+                title={_t("Encryption enabled")}
+                subtitle={_t(
+                    "Messages in this room are end-to-end encrypted. " +
+                    "Learn more & verify this user in their user profile.",
+                )}
+            />;
         } else if (isRoomEncrypted) {
-            body = <div>
-                <div className="mx_cryptoEvent_title">{_t("Encryption enabled")}</div>
-                <div className="mx_cryptoEvent_subtitle">
-                    {_t("Ignored attempt to disable encryption")}
-                </div>
-            </div>;
-        } else {
-            body = <div>
-                <div className="mx_cryptoEvent_title">{_t("Encryption not enabled")}</div>
-                <div className="mx_cryptoEvent_subtitle">{_t("The encryption used by this room isn't supported.")}</div>
-            </div>;
-            classes += " mx_cryptoEvent_icon_warning";
+            return <EventTileBubble
+                className="mx_cryptoEvent mx_cryptoEvent_icon"
+                title={_t("Encryption enabled")}
+                subtitle={_t("Ignored attempt to disable encryption")}
+            />;
         }
 
-        return (<div className={classes}>
-            {body}
-        </div>);
+        return <EventTileBubble
+            className="mx_cryptoEvent mx_cryptoEvent_icon mx_cryptoEvent_icon_warning"
+            title={_t("Encryption not enabled")}
+            subtitle={_t("The encryption used by this room isn't supported.")}
+        />;
     }
 }
 

src/components/views/messages/EventTileBubble.tsx

@@ -0,0 +1,34 @@
+/*
+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, {ReactNode} from "react";
+import classNames from "classnames";
+
+interface IProps {
+    className: string;
+    title: string;
+    subtitle?: ReactNode;
+}
+
+const EventTileBubble: React.FC<IProps> = ({ className, title, subtitle, children }) => {
+    return <div className={classNames("mx_EventTileBubble", className)}>
+        <div className="mx_EventTileBubble_title">{ title }</div>
+        { subtitle && <div className="mx_EventTileBubble_subtitle">{ subtitle }</div> }
+        { children }
+    </div>;
+};
+
+export default EventTileBubble;

src/components/views/messages/MJitsiWidgetEvent.tsx

@@ -18,6 +18,7 @@ import React from 'react';
 import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { _t } from "../../../languageHandler";
 import WidgetStore from "../../../stores/WidgetStore";
+import EventTileBubble from "./EventTileBubble";
 
 interface IProps {
     mxEvent: MatrixEvent;
@@ -40,37 +41,24 @@ export default class MJitsiWidgetEvent extends React.PureComponent<IProps> {
 
         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>
-            );
+            return <EventTileBubble
+                className="mx_MJitsiWidgetEvent"
+                title={_t('Video conference ended by %(senderName)s', {senderName})}
+            />;
         } 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'>
-                        {joinCopy}
-                    </div>
-                </div>
-            );
+            return <EventTileBubble
+                className="mx_MJitsiWidgetEvent"
+                title={_t('Video conference updated by %(senderName)s', {senderName})}
+                subtitle={joinCopy}
+            />;
         } 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'>
-                        {joinCopy}
-                    </div>
-                </div>
-            );
+            return <EventTileBubble
+                className="mx_MJitsiWidgetEvent"
+                title={_t("Video conference started by %(senderName)s", {senderName})}
+                subtitle={joinCopy}
+            />;
         }
     }
 }

src/components/views/messages/MKeyVerificationConclusion.js

@@ -21,6 +21,7 @@ import {MatrixClientPeg} from '../../../MatrixClientPeg';
 import { _t } from '../../../languageHandler';
 import {getNameForEventRoom, userLabelForEventRoom}
     from '../../../utils/KeyVerificationStateObserver';
+import EventTileBubble from "./EventTileBubble";
 
 export default class MKeyVerificationConclusion extends React.Component {
     constructor(props) {
@@ -115,14 +116,14 @@ export default class MKeyVerificationConclusion extends React.Component {
         }
 
         if (title) {
-            const subtitle = userLabelForEventRoom(request.otherUserId, mxEvent.getRoomId());
-            const classes = classNames("mx_EventTile_bubble", "mx_cryptoEvent", "mx_cryptoEvent_icon", {
+            const classes = classNames("mx_cryptoEvent mx_cryptoEvent_icon", {
                 mx_cryptoEvent_icon_verified: request.done,
             });
-            return (<div className={classes}>
-                <div className="mx_cryptoEvent_title">{title}</div>
-                <div className="mx_cryptoEvent_subtitle">{subtitle}</div>
-            </div>);
+            return <EventTileBubble
+                className={classes}
+                title={title}
+                subtitle={userLabelForEventRoom(request.otherUserId, mxEvent.getRoomId())}
+            />;
         }
 
         return null;

src/components/views/messages/MKeyVerificationRequest.js

@@ -24,6 +24,7 @@ import {getNameForEventRoom, userLabelForEventRoom}
 import dis from "../../../dispatcher/dispatcher";
 import {RightPanelPhases} from "../../../stores/RightPanelStorePhases";
 import {Action} from "../../../dispatcher/actions";
+import EventTileBubble from "./EventTileBubble";
 
 export default class MKeyVerificationRequest extends React.Component {
     constructor(props) {
@@ -146,10 +147,8 @@ export default class MKeyVerificationRequest extends React.Component {
 
         if (!request.initiatedByMe) {
             const name = getNameForEventRoom(request.requestingUserId, mxEvent.getRoomId());
-            title = (<div className="mx_cryptoEvent_title">{
-                _t("%(name)s wants to verify", {name})}</div>);
-            subtitle = (<div className="mx_cryptoEvent_subtitle">{
-                userLabelForEventRoom(request.requestingUserId, mxEvent.getRoomId())}</div>);
+            title = _t("%(name)s wants to verify", {name});
+            subtitle = userLabelForEventRoom(request.requestingUserId, mxEvent.getRoomId());
             if (request.canAccept) {
                 stateNode = (<div className="mx_cryptoEvent_buttons">
                     <FormButton kind="danger" onClick={this._onRejectClicked} label={_t("Decline")} />
@@ -157,18 +156,18 @@ export default class MKeyVerificationRequest extends React.Component {
                 </div>);
             }
         } else { // request sent by us
-            title = (<div className="mx_cryptoEvent_title">{
-                _t("You sent a verification request")}</div>);
-            subtitle = (<div className="mx_cryptoEvent_subtitle">{
-                userLabelForEventRoom(request.receivingUserId, mxEvent.getRoomId())}</div>);
+            title = _t("You sent a verification request");
+            subtitle = userLabelForEventRoom(request.receivingUserId, mxEvent.getRoomId());
         }
 
         if (title) {
-            return (<div className="mx_EventTile_bubble mx_cryptoEvent mx_cryptoEvent_icon">
-                {title}
-                {subtitle}
-                {stateNode}
-            </div>);
+            return <EventTileBubble
+                className="mx_cryptoEvent mx_cryptoEvent_icon"
+                title={title}
+                subtitle={subtitle}
+            >
+                { stateNode }
+            </EventTileBubble>;
         }
         return null;
     }

src/components/views/messages/RoomCreate.js

@@ -22,6 +22,7 @@ import dis from '../../../dispatcher/dispatcher';
 import { RoomPermalinkCreator } from '../../../utils/permalinks/Permalinks';
 import { _t } from '../../../languageHandler';
 import {MatrixClientPeg} from '../../../MatrixClientPeg';
+import EventTileBubble from "./EventTileBubble";
 
 export default class RoomCreate extends React.Component {
     static propTypes = {
@@ -51,17 +52,16 @@ export default class RoomCreate extends React.Component {
         const permalinkCreator = new RoomPermalinkCreator(prevRoom, predecessor['room_id']);
         permalinkCreator.load();
         const predecessorPermalink = permalinkCreator.forEvent(predecessor['event_id']);
-        return <div className="mx_CreateEvent">
-            <div className="mx_CreateEvent_image" />
-            <div className="mx_CreateEvent_header">
-                {_t("This room is a continuation of another conversation.")}
-            </div>
-            <a className="mx_CreateEvent_link"
-                href={predecessorPermalink}
-                onClick={this._onLinkClicked}
-            >
+        const link = (
+            <a href={predecessorPermalink} onClick={this._onLinkClicked}>
                 {_t("Click here to see older messages.")}
             </a>
-        </div>;
+        );
+
+        return <EventTileBubble
+            className="mx_CreateEvent"
+            title={_t("This room is a continuation of another conversation.")}
+            subtitle={link}
+        />;
     }
 }

src/components/views/rooms/EventTile.js

@@ -647,6 +647,7 @@ export default class EventTile extends React.Component {
         // 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.create") ||
             (eventType === "m.room.encryption") ||
             (tileHandler === "messages.MJitsiWidgetEvent");
         let isInfoMessage = (