move EditHistoryMessage to messages directory

src/components/views/messages/EditHistoryMessage.js

@@ -0,0 +1,60 @@
+/*
+Copyright 2019 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+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 * as HtmlUtils from '../../../HtmlUtils';
+import {formatTime} from '../../../DateUtils';
+import {MatrixEvent} from 'matrix-js-sdk';
+import {pillifyLinks} from '../../../utils/pillify';
+
+export default class EditHistoryMessage extends React.PureComponent {
+    static propTypes = {
+        // the message event being edited
+        mxEvent: PropTypes.instanceOf(MatrixEvent).isRequired,
+    };
+
+    componentDidMount() {
+        pillifyLinks(this.refs.content.children, this.props.mxEvent);
+    }
+
+    componentDidUpdate() {
+        pillifyLinks(this.refs.content.children, this.props.mxEvent);
+    }
+
+    render() {
+        const {mxEvent} = this.props;
+        const content = mxEvent.event.content["m.new_content"] || mxEvent.event.content;
+        const contentElements = HtmlUtils.bodyToHtml(content);
+        let contentContainer;
+        if (mxEvent.getContent().msgtype === "m.emote") {
+            const name = mxEvent.sender ? mxEvent.sender.name : mxEvent.getSender();
+            contentContainer = (<div className="mx_EventTile_content" ref="content">*&nbsp;
+                <span className="mx_MEmoteBody_sender">{ name }</span>
+                &nbsp;{contentElements}
+            </div>);
+        } else {
+            contentContainer = (<div className="mx_EventTile_content" ref="content">{contentElements}</div>);
+        }
+        const timestamp = formatTime(new Date(mxEvent.getTs()), this.props.isTwelveHour);
+        return <li className="mx_EventTile">
+            <div className="mx_EventTile_line">
+                <span className="mx_MessageTimestamp">{timestamp}</span>
+                { contentContainer }
+            </div>
+        </li>;
+    }
+}