forked from mystiq/hydrogen-web
143 lines
4.1 KiB
JavaScript
143 lines
4.1 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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Copyright 2020 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 {TimelineViewModel} from "./timeline/TimelineViewModel.js";
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import {avatarInitials, getIdentifierColorNumber} from "../../avatar.js";
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import {ViewModel} from "../../ViewModel.js";
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export class RoomViewModel extends ViewModel {
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constructor(options) {
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super(options);
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const {room, ownUserId, closeCallback} = options;
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this._room = room;
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this._ownUserId = ownUserId;
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this._timeline = null;
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this._timelineVM = null;
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this._onRoomChange = this._onRoomChange.bind(this);
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this._timelineError = null;
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this._sendError = null;
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this._closeCallback = closeCallback;
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this._composerVM = new ComposerViewModel(this);
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}
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async load() {
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this._room.on("change", this._onRoomChange);
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try {
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this._timeline = await this._room.openTimeline();
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this._timelineVM = new TimelineViewModel(this.childOptions({
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room: this._room,
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timeline: this._timeline,
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ownUserId: this._ownUserId,
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}));
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this.emitChange("timelineViewModel");
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} catch (err) {
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console.error(`room.openTimeline(): ${err.message}:\n${err.stack}`);
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this._timelineError = err;
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this.emitChange("error");
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}
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}
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dispose() {
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// this races with enable, on the await openTimeline()
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if (this._timeline) {
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// will stop the timeline from delivering updates on entries
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this._timeline.close();
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}
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}
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close() {
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this._closeCallback();
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}
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// room doesn't tell us yet which fields changed,
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// so emit all fields originating from summary
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_onRoomChange() {
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this.emitChange("name");
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}
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get name() {
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return this._room.name;
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}
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get timelineViewModel() {
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return this._timelineVM;
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}
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get error() {
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if (this._timelineError) {
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return `Something went wrong loading the timeline: ${this._timelineError.message}`;
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}
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if (this._sendError) {
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return `Something went wrong sending your message: ${this._sendError.message}`;
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}
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return "";
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}
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get avatarInitials() {
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return avatarInitials(this._room.name);
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}
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get avatarColorNumber() {
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return getIdentifierColorNumber(this._room.id)
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}
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async _sendMessage(message) {
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if (message) {
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try {
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await this._room.sendEvent("m.room.message", {msgtype: "m.text", body: message});
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} catch (err) {
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console.error(`room.sendMessage(): ${err.message}:\n${err.stack}`);
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this._sendError = err;
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this._timelineError = null;
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this.emitChange("error");
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return false;
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}
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return true;
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}
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return false;
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}
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get composerViewModel() {
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return this._composerVM;
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}
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}
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class ComposerViewModel extends ViewModel {
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constructor(roomVM) {
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super();
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this._roomVM = roomVM;
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this._isEmpty = true;
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}
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sendMessage(message) {
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const success = this._roomVM._sendMessage(message);
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if (success) {
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this._isEmpty = true;
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this.emitChange("canSend");
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}
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return success;
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}
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get canSend() {
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return !this._isEmpty;
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}
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setInput(text) {
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this._isEmpty = text.length === 0;
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this.emitChange("canSend");
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}
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}
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