mirror of
https://github.com/element-hq/element-web
synced 2024-10-27 21:18:13 +03:00
430 lines
14 KiB
JavaScript
430 lines
14 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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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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var React = require("react");
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var MatrixClientPeg = require("../../../MatrixClientPeg");
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var SlashCommands = require("../../../SlashCommands");
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var Modal = require("../../../Modal");
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var MemberEntry = require("../../../TabCompleteEntries").MemberEntry;
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var sdk = require('../../../index');
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var dis = require("../../../dispatcher");
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var KeyCode = require("../../../KeyCode");
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var Markdown = require("../../../Markdown");
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var TYPING_USER_TIMEOUT = 10000;
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var TYPING_SERVER_TIMEOUT = 30000;
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var MARKDOWN_ENABLED = true;
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/*
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* The textInput part of the MessageComposer
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*/
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module.exports = React.createClass({
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displayName: 'MessageComposerInput',
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statics: {
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// the height we limit the composer to
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MAX_HEIGHT: 100,
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},
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propTypes: {
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tabComplete: React.PropTypes.any,
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// a callback which is called when the height of the composer is
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// changed due to a change in content.
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onResize: React.PropTypes.func,
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// js-sdk Room object
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room: React.PropTypes.object.isRequired,
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},
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componentWillMount: function() {
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this.oldScrollHeight = 0;
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this.markdownEnabled = MARKDOWN_ENABLED;
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var self = this;
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this.sentHistory = {
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// The list of typed messages. Index 0 is more recent
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data: [],
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// The position in data currently displayed
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position: -1,
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// The room the history is for.
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roomId: null,
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// The original text before they hit UP
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originalText: null,
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// The textarea element to set text to.
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element: null,
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init: function(element, roomId) {
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this.roomId = roomId;
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this.element = element;
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this.position = -1;
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var storedData = window.sessionStorage.getItem(
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"history_" + roomId
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);
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if (storedData) {
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this.data = JSON.parse(storedData);
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}
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if (this.roomId) {
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this.setLastTextEntry();
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}
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},
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push: function(text) {
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// store a message in the sent history
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this.data.unshift(text);
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window.sessionStorage.setItem(
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"history_" + this.roomId,
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JSON.stringify(this.data)
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);
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// reset history position
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this.position = -1;
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this.originalText = null;
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},
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// move in the history. Returns true if we managed to move.
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next: function(offset) {
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if (this.position === -1) {
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// user is going into the history, save the current line.
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this.originalText = this.element.value;
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}
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else {
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// user may have modified this line in the history; remember it.
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this.data[this.position] = this.element.value;
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}
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if (offset > 0 && this.position === (this.data.length - 1)) {
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// we've run out of history
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return false;
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}
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// retrieve the next item (bounded).
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var newPosition = this.position + offset;
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newPosition = Math.max(-1, newPosition);
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newPosition = Math.min(newPosition, this.data.length - 1);
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this.position = newPosition;
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if (this.position !== -1) {
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// show the message
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this.element.value = this.data[this.position];
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}
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else if (this.originalText !== undefined) {
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// restore the original text the user was typing.
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this.element.value = this.originalText;
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}
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self.resizeInput();
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return true;
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},
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saveLastTextEntry: function() {
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// save the currently entered text in order to restore it later.
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// NB: This isn't 'originalText' because we want to restore
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// sent history items too!
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var text = this.element.value;
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window.sessionStorage.setItem("input_" + this.roomId, text);
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},
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setLastTextEntry: function() {
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var text = window.sessionStorage.getItem("input_" + this.roomId);
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if (text) {
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this.element.value = text;
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self.resizeInput();
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}
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}
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};
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},
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componentDidMount: function() {
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this.dispatcherRef = dis.register(this.onAction);
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this.sentHistory.init(
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this.refs.textarea,
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this.props.room.roomId
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);
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this.resizeInput();
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if (this.props.tabComplete) {
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this.props.tabComplete.setTextArea(this.refs.textarea);
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}
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},
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componentWillUnmount: function() {
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dis.unregister(this.dispatcherRef);
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this.sentHistory.saveLastTextEntry();
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},
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onAction: function(payload) {
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var textarea = this.refs.textarea;
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switch (payload.action) {
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case 'focus_composer':
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textarea.focus();
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break;
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case 'insert_displayname':
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if (textarea.value.length) {
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var left = textarea.value.substring(0, textarea.selectionStart);
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var right = textarea.value.substring(textarea.selectionEnd);
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if (right.length) {
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left += payload.displayname;
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}
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else {
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left = left.replace(/( ?)$/, " " + payload.displayname);
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}
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textarea.value = left + right;
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textarea.focus();
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textarea.setSelectionRange(left.length, left.length);
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}
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else {
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textarea.value = payload.displayname + ": ";
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textarea.focus();
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}
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break;
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}
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},
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onKeyDown: function (ev) {
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if (ev.keyCode === KeyCode.ENTER && !ev.shiftKey) {
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var input = this.refs.textarea.value;
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if (input.length === 0) {
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ev.preventDefault();
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return;
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}
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this.sentHistory.push(input);
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this.onEnter(ev);
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}
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else if (ev.keyCode === KeyCode.UP || ev.keyCode === KeyCode.DOWN) {
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var oldSelectionStart = this.refs.textarea.selectionStart;
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// Remember the keyCode because React will recycle the synthetic event
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var keyCode = ev.keyCode;
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// set a callback so we can see if the cursor position changes as
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// a result of this event. If it doesn't, we cycle history.
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setTimeout(() => {
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if (this.refs.textarea.selectionStart == oldSelectionStart) {
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this.sentHistory.next(keyCode === KeyCode.UP ? 1 : -1);
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this.resizeInput();
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}
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}, 0);
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}
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if (this.props.tabComplete) {
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this.props.tabComplete.onKeyDown(ev);
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}
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var self = this;
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setTimeout(function() {
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if (self.refs.textarea && self.refs.textarea.value != '') {
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self.onTypingActivity();
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} else {
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self.onFinishedTyping();
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}
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}, 10); // XXX: what is this 10ms setTimeout doing? Looks hacky :(
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},
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resizeInput: function() {
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// scrollHeight is at least equal to clientHeight, so we have to
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// temporarily crimp clientHeight to 0 to get an accurate scrollHeight value
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this.refs.textarea.style.height = "20px"; // 20 hardcoded from CSS
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var newHeight = Math.min(this.refs.textarea.scrollHeight,
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this.constructor.MAX_HEIGHT);
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this.refs.textarea.style.height = Math.ceil(newHeight) + "px";
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this.oldScrollHeight = this.refs.textarea.scrollHeight;
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if (this.props.onResize) {
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// kick gemini-scrollbar to re-layout
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this.props.onResize();
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}
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},
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onKeyUp: function(ev) {
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if (this.refs.textarea.scrollHeight !== this.oldScrollHeight ||
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ev.keyCode === KeyCode.DELETE ||
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ev.keyCode === KeyCode.BACKSPACE)
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{
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this.resizeInput();
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}
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},
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onEnter: function(ev) {
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var contentText = this.refs.textarea.value;
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// bodge for now to set markdown state on/off. We probably want a separate
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// area for "local" commands which don't hit out to the server.
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if (contentText.indexOf("/markdown") === 0) {
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ev.preventDefault();
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this.refs.textarea.value = '';
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if (contentText.indexOf("/markdown on") === 0) {
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this.markdownEnabled = true;
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}
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else if (contentText.indexOf("/markdown off") === 0) {
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this.markdownEnabled = false;
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}
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else {
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var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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Modal.createDialog(ErrorDialog, {
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title: "Unknown command",
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description: "Usage: /markdown on|off"
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});
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}
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return;
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}
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var cmd = SlashCommands.processInput(this.props.room.roomId, contentText);
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if (cmd) {
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ev.preventDefault();
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if (!cmd.error) {
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this.refs.textarea.value = '';
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}
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if (cmd.promise) {
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cmd.promise.done(function() {
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console.log("Command success.");
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}, function(err) {
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console.error("Command failure: %s", err);
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var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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Modal.createDialog(ErrorDialog, {
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title: "Server error",
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description: err.message
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});
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});
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}
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else if (cmd.error) {
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console.error(cmd.error);
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var ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
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Modal.createDialog(ErrorDialog, {
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title: "Command error",
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description: cmd.error
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});
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}
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return;
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}
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var isEmote = /^\/me( |$)/i.test(contentText);
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var sendMessagePromise;
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if (isEmote) {
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contentText = contentText.substring(4);
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}
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else if (contentText[0] === '/') {
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contentText = contentText.substring(1);
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}
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let send_markdown = false;
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let mdown;
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if (this.markdownEnabled) {
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mdown = new Markdown(contentText);
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send_markdown = !mdown.isPlainText();
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}
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if (send_markdown) {
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const htmlText = mdown.toHTML();
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sendMessagePromise = isEmote ?
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MatrixClientPeg.get().sendHtmlEmote(this.props.room.roomId, contentText, htmlText) :
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MatrixClientPeg.get().sendHtmlMessage(this.props.room.roomId, contentText, htmlText);
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}
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else {
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sendMessagePromise = isEmote ?
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MatrixClientPeg.get().sendEmoteMessage(this.props.room.roomId, contentText) :
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MatrixClientPeg.get().sendTextMessage(this.props.room.roomId, contentText);
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}
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sendMessagePromise.done(function() {
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dis.dispatch({
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action: 'message_sent'
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});
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}, function() {
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dis.dispatch({
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action: 'message_send_failed'
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});
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});
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this.refs.textarea.value = '';
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this.resizeInput();
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ev.preventDefault();
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},
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onTypingActivity: function() {
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this.isTyping = true;
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if (!this.userTypingTimer) {
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this.sendTyping(true);
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}
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this.startUserTypingTimer();
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this.startServerTypingTimer();
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},
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onFinishedTyping: function() {
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this.isTyping = false;
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this.sendTyping(false);
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this.stopUserTypingTimer();
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this.stopServerTypingTimer();
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},
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startUserTypingTimer: function() {
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this.stopUserTypingTimer();
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var self = this;
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this.userTypingTimer = setTimeout(function() {
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self.isTyping = false;
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self.sendTyping(self.isTyping);
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self.userTypingTimer = null;
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}, TYPING_USER_TIMEOUT);
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},
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stopUserTypingTimer: function() {
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if (this.userTypingTimer) {
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clearTimeout(this.userTypingTimer);
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this.userTypingTimer = null;
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}
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},
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startServerTypingTimer: function() {
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if (!this.serverTypingTimer) {
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var self = this;
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this.serverTypingTimer = setTimeout(function() {
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if (self.isTyping) {
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self.sendTyping(self.isTyping);
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self.startServerTypingTimer();
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}
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}, TYPING_SERVER_TIMEOUT / 2);
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}
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},
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stopServerTypingTimer: function() {
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if (this.serverTypingTimer) {
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clearTimeout(this.servrTypingTimer);
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this.serverTypingTimer = null;
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}
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},
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sendTyping: function(isTyping) {
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MatrixClientPeg.get().sendTyping(
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this.props.room.roomId,
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this.isTyping, TYPING_SERVER_TIMEOUT
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).done();
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},
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refreshTyping: function() {
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if (this.typingTimeout) {
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clearTimeout(this.typingTimeout);
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this.typingTimeout = null;
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}
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},
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onInputClick: function(ev) {
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this.refs.textarea.focus();
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},
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render: function() {
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return (
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<div className="mx_MessageComposer_input" onClick={ this.onInputClick }>
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<textarea autoFocus ref="textarea" rows="1" onKeyDown={this.onKeyDown} onKeyUp={this.onKeyUp} placeholder="Type a message..." />
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</div>
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);
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}
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});
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