Bruno Windels
ffe34ee8a1
on of the 2 changes (updating dom async from compositionend, or ignoring keydown while composing) here has, while fixing chrome, broken safari. Don't do the async dom updating for safari if that was it.
283 lines
9.8 KiB
JavaScript
283 lines
9.8 KiB
JavaScript
/*
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Copyright 2019 New Vector Ltd
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Copyright 2019 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React from 'react';
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import sdk from '../../../index';
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import {_t} from '../../../languageHandler';
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import PropTypes from 'prop-types';
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import dis from '../../../dispatcher';
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import EditorModel from '../../../editor/model';
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import {getCaretOffsetAndText} from '../../../editor/dom';
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import {htmlSerializeIfNeeded, textSerialize, containsEmote, stripEmoteCommand} from '../../../editor/serialize';
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import {findEditableEvent} from '../../../utils/EventUtils';
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import {parseEvent} from '../../../editor/deserialize';
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import {PartCreator} from '../../../editor/parts';
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import EditorStateTransfer from '../../../utils/EditorStateTransfer';
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import {MatrixClient} from 'matrix-js-sdk';
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import classNames from 'classnames';
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import {EventStatus} from 'matrix-js-sdk';
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import BasicMessageComposer from "./BasicMessageComposer";
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function _isReply(mxEvent) {
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const relatesTo = mxEvent.getContent()["m.relates_to"];
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const isReply = !!(relatesTo && relatesTo["m.in_reply_to"]);
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return isReply;
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}
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function getHtmlReplyFallback(mxEvent) {
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const html = mxEvent.getContent().formatted_body;
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if (!html) {
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return "";
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}
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const rootNode = new DOMParser().parseFromString(html, "text/html").body;
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const mxReply = rootNode.querySelector("mx-reply");
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return (mxReply && mxReply.outerHTML) || "";
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}
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function getTextReplyFallback(mxEvent) {
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const body = mxEvent.getContent().body;
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const lines = body.split("\n").map(l => l.trim());
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if (lines.length > 2 && lines[0].startsWith("> ") && lines[1].length === 0) {
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return `${lines[0]}\n\n`;
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}
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return "";
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}
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function createEditContent(model, editedEvent) {
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const isEmote = containsEmote(model);
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if (isEmote) {
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model = stripEmoteCommand(model);
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}
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const isReply = _isReply(editedEvent);
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let plainPrefix = "";
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let htmlPrefix = "";
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if (isReply) {
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plainPrefix = getTextReplyFallback(editedEvent);
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htmlPrefix = getHtmlReplyFallback(editedEvent);
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}
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const body = textSerialize(model);
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const newContent = {
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"msgtype": isEmote ? "m.emote" : "m.text",
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"body": plainPrefix + body,
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};
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const contentBody = {
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msgtype: newContent.msgtype,
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body: `${plainPrefix} * ${body}`,
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};
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const formattedBody = htmlSerializeIfNeeded(model, {forceHTML: isReply});
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if (formattedBody) {
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newContent.format = "org.matrix.custom.html";
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newContent.formatted_body = htmlPrefix + formattedBody;
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contentBody.format = newContent.format;
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contentBody.formatted_body = `${htmlPrefix} * ${formattedBody}`;
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}
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return Object.assign({
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"m.new_content": newContent,
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"m.relates_to": {
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"rel_type": "m.replace",
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"event_id": editedEvent.getId(),
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},
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}, contentBody);
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}
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export default class EditMessageComposer extends React.Component {
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static propTypes = {
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// the message event being edited
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editState: PropTypes.instanceOf(EditorStateTransfer).isRequired,
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};
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static contextTypes = {
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matrixClient: PropTypes.instanceOf(MatrixClient).isRequired,
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};
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constructor(props, context) {
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super(props, context);
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this.model = null;
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this._editorRef = null;
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this.state = {
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saveDisabled: true,
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};
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}
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_setEditorRef = ref => {
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this._editorRef = ref;
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};
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_getRoom() {
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return this.context.matrixClient.getRoom(this.props.editState.getEvent().getRoomId());
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}
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_onKeyDown = (event) => {
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// ignore any keypress while doing IME compositions
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if (this._editorRef.isComposing(event)) {
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return;
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}
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if (event.metaKey || event.altKey || event.shiftKey) {
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return;
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}
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if (event.key === "Enter") {
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this._sendEdit();
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event.preventDefault();
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} else if (event.key === "Escape") {
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this._cancelEdit();
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} else if (event.key === "ArrowUp") {
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if (this._editorRef.isModified() || !this._editorRef.isCaretAtStart()) {
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return;
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}
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const previousEvent = findEditableEvent(this._getRoom(), false, this.props.editState.getEvent().getId());
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if (previousEvent) {
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dis.dispatch({action: 'edit_event', event: previousEvent});
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event.preventDefault();
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}
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} else if (event.key === "ArrowDown") {
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if (this._editorRef.isModified() || !this._editorRef.isCaretAtEnd()) {
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return;
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}
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const nextEvent = findEditableEvent(this._getRoom(), true, this.props.editState.getEvent().getId());
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if (nextEvent) {
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dis.dispatch({action: 'edit_event', event: nextEvent});
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} else {
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dis.dispatch({action: 'edit_event', event: null});
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dis.dispatch({action: 'focus_composer'});
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}
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event.preventDefault();
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}
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}
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_cancelEdit = () => {
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dis.dispatch({action: "edit_event", event: null});
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dis.dispatch({action: 'focus_composer'});
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}
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_isContentModified(newContent) {
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// if nothing has changed then bail
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const oldContent = this.props.editState.getEvent().getContent();
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if (!this._editorRef.isModified() ||
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(oldContent["msgtype"] === newContent["msgtype"] && oldContent["body"] === newContent["body"] &&
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oldContent["format"] === newContent["format"] &&
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oldContent["formatted_body"] === newContent["formatted_body"])) {
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return false;
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}
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return true;
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}
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_sendEdit = () => {
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const editedEvent = this.props.editState.getEvent();
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const editContent = createEditContent(this.model, editedEvent);
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const newContent = editContent["m.new_content"];
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// If content is modified then send an updated event into the room
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if (this._isContentModified(newContent)) {
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const roomId = editedEvent.getRoomId();
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this._cancelPreviousPendingEdit();
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this.context.matrixClient.sendMessage(roomId, editContent);
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}
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// close the event editing and focus composer
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dis.dispatch({action: "edit_event", event: null});
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dis.dispatch({action: 'focus_composer'});
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};
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_cancelPreviousPendingEdit() {
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const originalEvent = this.props.editState.getEvent();
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const previousEdit = originalEvent.replacingEvent();
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if (previousEdit && (
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previousEdit.status === EventStatus.QUEUED ||
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previousEdit.status === EventStatus.NOT_SENT
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)) {
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this.context.matrixClient.cancelPendingEvent(previousEdit);
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}
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}
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componentWillUnmount() {
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const sel = document.getSelection();
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const {caret} = getCaretOffsetAndText(this._editorRef, sel);
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const parts = this.model.serializeParts();
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this.props.editState.setEditorState(caret, parts);
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}
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componentWillMount() {
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this._createEditorModel();
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}
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_createEditorModel() {
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const {editState} = this.props;
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const room = this._getRoom();
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const partCreator = new PartCreator(room, this.context.matrixClient);
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let parts;
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if (editState.hasEditorState()) {
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// if restoring state from a previous editor,
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// restore serialized parts from the state
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parts = editState.getSerializedParts().map(p => partCreator.deserializePart(p));
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} else {
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// otherwise, parse the body of the event
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parts = parseEvent(editState.getEvent(), partCreator);
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}
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this.model = new EditorModel(parts, partCreator);
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}
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_getInitialCaretPosition() {
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const {editState} = this.props;
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let caretPosition;
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if (editState.hasEditorState()) {
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// if restoring state from a previous editor,
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// restore caret position from the state
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const caret = editState.getCaret();
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caretPosition = this.model.positionForOffset(caret.offset, caret.atNodeEnd);
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} else {
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// otherwise, set it at the end
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caretPosition = this.model.getPositionAtEnd();
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}
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return caretPosition;
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}
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_onChange = () => {
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if (!this.state.saveDisabled || !this._editorRef || !this._editorRef.isModified()) {
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return;
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}
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this.setState({
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saveDisabled: false,
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});
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};
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render() {
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const AccessibleButton = sdk.getComponent('elements.AccessibleButton');
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return (<div className={classNames("mx_EditMessageComposer", this.props.className)} onKeyDown={this._onKeyDown}>
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<BasicMessageComposer
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ref={this._setEditorRef}
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model={this.model}
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room={this._getRoom()}
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initialCaret={this.props.editState.getCaret()}
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label={_t("Edit message")}
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onChange={this._onChange}
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/>
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<div className="mx_EditMessageComposer_buttons">
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<AccessibleButton kind="secondary" onClick={this._cancelEdit}>{_t("Cancel")}</AccessibleButton>
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<AccessibleButton kind="primary" onClick={this._sendEdit} disabled={this.state.saveDisabled}>
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{_t("Save")}
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</AccessibleButton>
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</div>
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</div>);
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}
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}
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