Add existing reactions below message

res/css/_components.scss

@@ -115,6 +115,8 @@
 @import "./views/messages/_MTextBody.scss";
 @import "./views/messages/_MessageActionBar.scss";
 @import "./views/messages/_MessageTimestamp.scss";
+@import "./views/messages/_ReactionsRow.scss";
+@import "./views/messages/_ReactionsRowButton.scss";
 @import "./views/messages/_RoomAvatarEvent.scss";
 @import "./views/messages/_SenderProfile.scss";
 @import "./views/messages/_TextualEvent.scss";

res/css/views/messages/_ReactionsRow.scss

@@ -0,0 +1,19 @@
+/*
+Copyright 2019 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.
+*/
+
+.mx_ReactionsRow {
+    margin: 6px 0;
+}

res/css/views/messages/_ReactionsRowButton.scss

@@ -0,0 +1,36 @@
+/*
+Copyright 2019 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.
+*/
+
+.mx_ReactionsRowButton {
+    display: inline-block;
+    height: 20px;
+    line-height: 21px;
+    margin-right: 6px;
+    padding: 0 6px;
+    border: 1px solid $reaction-row-button-border-color;
+    border-radius: 10px;
+    background-color: $reaction-row-button-bg-color;
+    cursor: pointer;
+
+    &:hover {
+        border-color: $reaction-row-button-hover-border-color;
+    }
+
+    &.mx_ReactionsRowButton_selected {
+        background-color: $reaction-row-button-selected-bg-color;
+        border-color: $reaction-row-button-selected-border-color;
+    }
+}

res/themes/dark/css/_dark.scss

@@ -151,6 +151,12 @@ $message-action-bar-fg-color: $header-panel-text-primary-color;
 $message-action-bar-border-color: #616b7f;
 $message-action-bar-hover-border-color: $header-panel-text-primary-color;
 
+$reaction-row-button-bg-color: $header-panel-bg-color;
+$reaction-row-button-border-color: #616b7f;
+$reaction-row-button-hover-border-color: $header-panel-text-primary-color;
+$reaction-row-button-selected-bg-color: #1f6954;
+$reaction-row-button-selected-border-color: $accent-color;
+
 // ***** Mixins! *****
 
 @define-mixin mx_DialogButton {

res/themes/light/css/_light.scss

@@ -259,6 +259,12 @@ $message-action-bar-fg-color: $primary-fg-color;
 $message-action-bar-border-color: #e9edf1;
 $message-action-bar-hover-border-color: #b8c1d2;
 
+$reaction-row-button-bg-color: $header-panel-bg-color;
+$reaction-row-button-border-color: #e9edf1;
+$reaction-row-button-hover-border-color: #bebebe;
+$reaction-row-button-selected-bg-color: #e9fff9;
+$reaction-row-button-selected-border-color: $accent-color;
+
 // ***** Mixins! *****
 
 @define-mixin mx_DialogButton {

src/components/views/context_menus/MessageContextMenu.js

@@ -27,6 +27,7 @@ import Modal from '../../../Modal';
 import Resend from '../../../Resend';
 import SettingsStore from '../../../settings/SettingsStore';
 import { isUrlPermitted } from '../../../HtmlUtils';
+import { isContentActionable } from '../../../utils/EventUtils';
 
 module.exports = React.createClass({
     displayName: 'MessageContextMenu',
@@ -247,22 +248,19 @@ module.exports = React.createClass({
             );
         }
 
-        if (isSent && mxEvent.getType() === 'm.room.message') {
-            const content = mxEvent.getContent();
-            if (content.msgtype && content.msgtype !== 'm.bad.encrypted' && content.hasOwnProperty('body')) {
-                forwardButton = (
-                    <div className="mx_MessageContextMenu_field" onClick={this.onForwardClick}>
-                        { _t('Forward Message') }
+        if (isContentActionable(mxEvent)) {
+            forwardButton = (
+                <div className="mx_MessageContextMenu_field" onClick={this.onForwardClick}>
+                    { _t('Forward Message') }
+                </div>
+            );
+
+            if (this.state.canPin) {
+                pinButton = (
+                    <div className="mx_MessageContextMenu_field" onClick={this.onPinClick}>
+                        { this._isPinned() ? _t('Unpin Message') : _t('Pin Message') }
                     </div>
                 );
-
-                if (this.state.canPin) {
-                    pinButton = (
-                        <div className="mx_MessageContextMenu_field" onClick={this.onPinClick}>
-                            { this._isPinned() ? _t('Unpin Message') : _t('Pin Message') }
-                        </div>
-                    );
-                }
             }
         }
 

src/components/views/messages/MessageActionBar.js

@@ -16,15 +16,15 @@ limitations under the License.
 
 import React from 'react';
 import PropTypes from 'prop-types';
-import {EventStatus} from 'matrix-js-sdk';
+import classNames from 'classnames';
 
 import { _t } from '../../../languageHandler';
 import sdk from '../../../index';
 import dis from '../../../dispatcher';
 import Modal from '../../../Modal';
 import { createMenu } from '../../structures/ContextualMenu';
 import SettingsStore from '../../../settings/SettingsStore';
-import classNames from 'classnames';
+import { isContentActionable } from '../../../utils/EventUtils';
 
 export default class MessageActionBar extends React.PureComponent {
     static propTypes = {
@@ -123,27 +123,6 @@ export default class MessageActionBar extends React.PureComponent {
         this.onFocusChange(true);
     }
 
-    isContentActionable() {
-        const { mxEvent } = this.props;
-        const { status: eventStatus } = mxEvent;
-
-        // status is SENT before remote-echo, null after
-        const isSent = !eventStatus || eventStatus === EventStatus.SENT;
-
-        if (isSent && mxEvent.getType() === 'm.room.message') {
-            const content = mxEvent.getContent();
-            if (
-                content.msgtype &&
-                content.msgtype !== 'm.bad.encrypted' &&
-                content.hasOwnProperty('body')
-            ) {
-                return true;
-            }
-        }
-
-        return false;
-    }
-
     isReactionsEnabled() {
         return SettingsStore.isFeatureEnabled("feature_reactions");
     }
@@ -220,7 +199,7 @@ export default class MessageActionBar extends React.PureComponent {
         let likeDimensionReactionButtons;
         let replyButton;
 
-        if (this.isContentActionable()) {
+        if (isContentActionable(this.props.mxEvent)) {
             agreeDimensionReactionButtons = this.renderAgreeDimension();
             likeDimensionReactionButtons = this.renderLikeDimension();
             replyButton = <span className="mx_MessageActionBar_maskButton mx_MessageActionBar_replyButton"

src/components/views/messages/ReactionsRow.js

@@ -0,0 +1,65 @@
+/*
+Copyright 2019 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import PropTypes from 'prop-types';
+
+import sdk from '../../../index';
+import { isContentActionable } from '../../../utils/EventUtils';
+
+// TODO: Actually load reactions from the timeline
+// Since we don't yet load reactions, let's inject some dummy data for testing the UI
+// only. The UI assumes these are already sorted into the order we want to present,
+// presumably highest vote first.
+const SAMPLE_REACTIONS = {
+    "👍": 4,
+    "👎": 2,
+    "🙂": 1,
+};
+
+export default class ReactionsRow extends React.PureComponent {
+    static propTypes = {
+        // The event we're displaying reactions for
+        mxEvent: PropTypes.object.isRequired,
+    }
+
+    render() {
+        const { mxEvent } = this.props;
+
+        if (!isContentActionable(mxEvent)) {
+            return null;
+        }
+
+        const content = mxEvent.getContent();
+        // TODO: Remove this once we load real reactions
+        if (!content.body || content.body !== "reactions test") {
+            return null;
+        }
+
+        const ReactionsRowButton = sdk.getComponent('messages.ReactionsRowButton');
+        const items = Object.entries(SAMPLE_REACTIONS).map(([content, count]) => {
+            return <ReactionsRowButton
+                key={content}
+                content={content}
+                count={count}
+            />;
+        });
+
+        return <div className="mx_ReactionsRow">
+            {items}
+        </div>;
+    }
+}

src/components/views/messages/ReactionsRowButton.js

@@ -0,0 +1,65 @@
+/*
+Copyright 2019 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import PropTypes from 'prop-types';
+import classNames from 'classnames';
+
+export default class ReactionsRowButton extends React.PureComponent {
+    static propTypes = {
+        content: PropTypes.string.isRequired,
+        count: PropTypes.number.isRequired,
+    }
+
+    constructor(props) {
+        super(props);
+
+        // TODO: This should be derived from actual reactions you may have sent
+        // once we have some API to read them.
+        this.state = {
+            selected: false,
+        };
+    }
+
+    onClick = (ev) => {
+        const state = this.state.selected;
+        this.setState({
+            selected: !state,
+        });
+        // TODO: Send the reaction event
+    };
+
+    render() {
+        const { content, count } = this.props;
+        const { selected } = this.state;
+
+        const classes = classNames({
+            mx_ReactionsRowButton: true,
+            mx_ReactionsRowButton_selected: selected,
+        });
+
+        let adjustedCount = count;
+        if (selected) {
+            adjustedCount++;
+        }
+
+        return <span className={classes}
+            onClick={this.onClick}
+        >
+            {content} {adjustedCount}
+        </span>;
+    }
+}

src/components/views/rooms/EventTile.js

@@ -622,6 +622,14 @@ module.exports = withMatrixClient(React.createClass({
                 <ToolTipButton helpText={keyRequestHelpText} />
             </div> : null;
 
+        let reactions;
+        if (SettingsStore.isFeatureEnabled("feature_reactions")) {
+            const ReactionsRow = sdk.getComponent('messages.ReactionsRow');
+            reactions = <ReactionsRow
+                mxEvent={this.props.mxEvent}
+            />;
+        }
+
         switch (this.props.tileShape) {
             case 'notif': {
                 const EmojiText = sdk.getComponent('elements.EmojiText');
@@ -734,6 +742,7 @@ module.exports = withMatrixClient(React.createClass({
                                            showUrlPreview={this.props.showUrlPreview}
                                            onHeightChanged={this.props.onHeightChanged} />
                             { keyRequestInfo }
+                            { reactions }
                             { actionBar }
                         </div>
                         {

src/utils/EventUtils.js

@@ -0,0 +1,45 @@
+/*
+Copyright 2019 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 { EventStatus } from 'matrix-js-sdk';
+
+/**
+ * Returns whether an event should allow actions like reply, reactions, edit, etc.
+ * which effectively checks whether it's a regular message that has been sent and that we
+ * can display.
+ *
+ * @param {MatrixEvent} mxEvent The event to check
+ * @returns {boolean} true if actionable
+ */
+export function isContentActionable(mxEvent) {
+    const { status: eventStatus } = mxEvent;
+
+    // status is SENT before remote-echo, null after
+    const isSent = !eventStatus || eventStatus === EventStatus.SENT;
+
+    if (isSent && mxEvent.getType() === 'm.room.message') {
+        const content = mxEvent.getContent();
+        if (
+            content.msgtype &&
+            content.msgtype !== 'm.bad.encrypted' &&
+            content.hasOwnProperty('body')
+        ) {
+            return true;
+        }
+    }
+
+    return false;
+}