106 lines
4.1 KiB
JavaScript
106 lines
4.1 KiB
JavaScript
/*
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Copyright 2021 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 {ViewModel} from "../../ViewModel.js";
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import {RoomDetailsViewModel} from "./RoomDetailsViewModel.js";
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import {MemberListViewModel} from "./MemberListViewModel.js";
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import {MemberDetailsViewModel} from "./MemberDetailsViewModel.js";
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export class RightPanelViewModel extends ViewModel {
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constructor(options) {
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super(options);
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this._room = options.room;
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this._members = null;
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this._setupNavigation();
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}
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get activeViewModel() { return this._activeViewModel; }
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async _getMemberListArguments() {
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if (!this._members) {
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this._members = await this._room.loadMemberList();
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this.track(() => this._members.release());
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}
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const room = this._room;
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const powerLevelsObservable = await this._room.observePowerLevels();
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return {members: this._members, powerLevelsObservable, mediaRepository: room.mediaRepository};
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}
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async _getMemberDetailsArguments() {
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const segment = this.navigation.path.get("member");
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const userId = segment.value;
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const observableMember = await this._room.observeMember(userId);
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if (!observableMember) {
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return false;
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}
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const isEncrypted = this._room.isEncrypted;
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const powerLevelsObservable = await this._room.observePowerLevels();
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return {observableMember, isEncrypted, powerLevelsObservable, mediaRepository: this._room.mediaRepository};
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}
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_setupNavigation() {
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this._hookUpdaterToSegment("details", RoomDetailsViewModel, () => { return {room: this._room}; });
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this._hookUpdaterToSegment("members", MemberListViewModel, () => this._getMemberListArguments());
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this._hookUpdaterToSegment("member", MemberDetailsViewModel, () => this._getMemberDetailsArguments(),
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() => {
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// If we fail to create the member details panel, fallback to memberlist
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const url = `${this.urlCreator.urlUntilSegment("room")}/members`;
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this.urlCreator.pushUrl(url);
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}
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);
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}
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_hookUpdaterToSegment(segment, viewmodel, argCreator, failCallback) {
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const observable = this.navigation.observe(segment);
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const updater = this._setupUpdater(segment, viewmodel, argCreator, failCallback);
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this.track(observable.subscribe(updater));
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}
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_setupUpdater(segment, viewmodel, argCreator, failCallback) {
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const updater = async (skipDispose = false) => {
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if (!skipDispose) {
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this._activeViewModel = this.disposeTracked(this._activeViewModel);
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}
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const enable = !!this.navigation.path.get(segment)?.value;
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if (enable) {
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const args = await argCreator();
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if (!args && failCallback) {
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failCallback();
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return;
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}
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this._activeViewModel = this.track(new viewmodel(this.childOptions(args)));
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}
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this.emitChange("activeViewModel");
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};
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updater(true);
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return updater;
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}
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closePanel() {
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const path = this.navigation.path.until("room");
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this.navigation.applyPath(path);
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}
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showPreviousPanel() {
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const segmentName = this.activeViewModel.previousSegmentName;
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if (segmentName) {
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let path = this.navigation.path.until("room");
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path = path.with(this.navigation.segment("right-panel", true));
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path = path.with(this.navigation.segment(segmentName, true));
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this.navigation.applyPath(path);
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}
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}
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}
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