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Merge pull request #3 from bwindels/bwindels/fancy-ui

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Implement UI from prototype
This commit is contained in:
Bruno Windels 2019-06-16 14:42:33 +00:00 committed by GitHub
commit cf39a57aa1
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43 changed files with 833 additions and 274 deletions
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13
doc/viewhierarchy.md
View File

@ -1,9 +1,9 @@
view hierarchy:
```
BrawlView
SyncStatusBar
SwitchView
SessionView
SyncStatusBar
ListView(left-panel)
SwitchView
RoomPlaceholderView
@ -12,4 +12,15 @@ view hierarchy:
ListView(timeline)
ComposerView
RightPanel
SessionStartView
SessionPickView
LoginView
```
- DONE: support isOwn on message view model
- DONE: put syncstatusbar in sessionview
- DONE: apply css to app
- DONE: keep scroll at bottom
- DONE: hide sender if repeated
- DONE: show date somehow
- DONE: start scrolled down when opening room

60
index.html
View File

@ -2,68 +2,12 @@
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
#container {
height: 80vh;
border: 1px solid black;
font-family: sans-serif;
}
.SessionView {
display: flex;
height: 100%;
min-width: 0;
}
.ListView {
margin: 0;
padding: 0;
}
.SessionView > .ListView {
height: 100%;
flex: 0 0 auto;
border-right: 1px solid black;
list-style: none;
overflow-y: scroll;
}
.SessionView > .ListView > li {
padding: 10px;
border-bottom: 1px solid grey;
cursor: pointer;
}
.SessionView > .RoomView {
padding: 10px;
flex: 1;
display: flex;
flex-direction: column;
}
.SessionView > .RoomView > .ListView {
flex: 1;
overflow-y: scroll;
}
.RoomView_error {
color: red;
}
</style>
<link rel="stylesheet" type="text/css" href="src/ui/web/css/main.css">
</head>
<body>
<p id="syncstatus"></p>
<div><button id="stopsync">stop syncing</button></div>
<div id="container"></div>
<script type="module">
import main from "./src/main.js";
const label = document.getElementById("syncstatus");
const button = document.getElementById("stopsync");
const container = document.getElementById("container");
//import("./src/main.js").then(main => {
main(label, button, container);
//});
main(document.body);
</script>
</body>
</html>

10
src/EventEmitter.js
View File

@ -3,11 +3,11 @@ export default class EventEmitter {
this._handlersByName = {};
}
emit(name, value) {
emit(name, ...values) {
const handlers = this._handlersByName[name];
if (handlers) {
for(const h of handlers) {
h(value);
h(...values);
}
}
}
@ -15,6 +15,7 @@ export default class EventEmitter {
on(name, callback) {
let handlers = this._handlersByName[name];
if (!handlers) {
this.onFirstSubscriptionAdded(name);
this._handlersByName[name] = handlers = new Set();
}
handlers.add(callback);
@ -26,9 +27,14 @@ export default class EventEmitter {
handlers.delete(callback);
if (handlers.length === 0) {
delete this._handlersByName[name];
this.onLastSubscriptionRemoved(name);
}
}
}
onFirstSubscriptionAdded(name) {}
onLastSubscriptionRemoved(name) {}
}
//#ifdef TESTS
export function tests() {

10
src/domain/session/SessionViewModel.js
View File

@ -1,11 +1,13 @@
import EventEmitter from "../../EventEmitter.js";
import RoomTileViewModel from "./roomlist/RoomTileViewModel.js";
import RoomViewModel from "./room/RoomViewModel.js";
import SyncStatusViewModel from "./SyncStatusViewModel.js";
export default class SessionViewModel extends EventEmitter {
constructor(session) {
constructor(session, sync) {
super();
this._session = session;
this._syncStatusViewModel = new SyncStatusViewModel(sync);
this._currentRoomViewModel = null;
const roomTileVMs = this._session.rooms.mapValues((room, emitUpdate) => {
return new RoomTileViewModel({
@ -17,6 +19,10 @@ export default class SessionViewModel extends EventEmitter {
this._roomList = roomTileVMs.sortValues((a, b) => a.compare(b));
}
get syncStatusViewModel() {
return this._syncStatusViewModel;
}
get roomList() {
return this._roomList;
}
@ -29,7 +35,7 @@ export default class SessionViewModel extends EventEmitter {
if (this._currentRoomViewModel) {
this._currentRoomViewModel.disable();
}
this._currentRoomViewModel = new RoomViewModel(room);
this._currentRoomViewModel = new RoomViewModel(room, this._session.userId);
this._currentRoomViewModel.enable();
this.emit("change", "currentRoom");
}

51
src/domain/session/SyncStatusViewModel.js Normal file
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@ -0,0 +1,51 @@
import EventEmitter from "../../EventEmitter.js";
export default class SyncStatusViewModel extends EventEmitter {
constructor(sync) {
super();
this._sync = sync;
this._onStatus = this._onStatus.bind(this);
}
_onStatus(status, err) {
if (status === "error") {
this._error = err;
} else if (status === "started") {
this._error = null;
}
this.emit("change");
}
onFirstSubscriptionAdded(name) {
if (name === "change") {
this._sync.on("status", this._onStatus);
}
}
onLastSubscriptionRemoved(name) {
if (name === "change") {
this._sync.on("status", this._onStatus);
}
}
trySync() {
this._sync.start();
this.emit("change");
}
get status() {
if (!this.isSyncing) {
if (this._error) {
return `Error while syncing: ${this._error.message}`;
} else {
return "Sync stopped";
}
} else {
return "Sync running";
}
}
get isSyncing() {
return this._sync.isSyncing;
}
}

4
src/domain/session/avatar.js Normal file
View File

@ -0,0 +1,4 @@
export function avatarInitials(name) {
const words = name.split(" ").slice(0, 2);
return words.reduce((i, w) => i + w.charAt(0).toUpperCase(), "");
}

12
src/domain/session/room/RoomViewModel.js
View File

@ -1,10 +1,12 @@
import EventEmitter from "../../../EventEmitter.js";
import TimelineViewModel from "./timeline/TimelineViewModel.js";
import {avatarInitials} from "../avatar.js";
export default class RoomViewModel extends EventEmitter {
constructor(room) {
constructor(room, ownUserId) {
super();
this._room = room;
this._ownUserId = ownUserId;
this._timeline = null;
this._timelineVM = null;
this._onRoomChange = this._onRoomChange.bind(this);
@ -15,7 +17,7 @@ export default class RoomViewModel extends EventEmitter {
this._room.on("change", this._onRoomChange);
try {
this._timeline = await this._room.openTimeline();
this._timelineVM = new TimelineViewModel(this._timeline);
this._timelineVM = new TimelineViewModel(this._timeline, this._ownUserId);
this.emit("change", "timelineViewModel");
} catch (err) {
console.error(`room.openTimeline(): ${err.message}:\n${err.stack}`);
@ -49,6 +51,10 @@ export default class RoomViewModel extends EventEmitter {
if (this._timelineError) {
return `Something went wrong loading the timeline: ${this._timelineError.message}`;
}
return null;
return "";
}
get avatarInitials() {
return avatarInitials(this._room.name);
}
}

10
src/domain/session/room/timeline/TilesCollection.js
View File

@ -95,8 +95,14 @@ export default class TilesCollection extends BaseObservableList {
const newTile = this._tileCreator(entry, this._emitSpontanousUpdate);
if (newTile) {
prevTile && prevTile.updateNextSibling(newTile);
nextTile && nextTile.updatePreviousSibling(newTile);
if (prevTile) {
prevTile.updateNextSibling(newTile);
newTile.updatePreviousSibling(prevTile);
}
if (nextTile) {
newTile.updateNextSibling(nextTile);
nextTile.updatePreviousSibling(newTile);
}
this._tiles.splice(tileIdx, 0, newTile);
this.emitAdd(tileIdx, newTile);
}

4
src/domain/session/room/timeline/TimelineViewModel.js
View File

@ -18,12 +18,12 @@ import TilesCollection from "./TilesCollection.js";
import tilesCreator from "./tilesCreator.js";
export default class TimelineViewModel {
constructor(timeline) {
constructor(timeline, ownUserId) {
this._timeline = timeline;
// once we support sending messages we could do
// timeline.entries.concat(timeline.pendingEvents)
// for an ObservableList that also contains local echos
this._tiles = new TilesCollection(timeline.entries, tilesCreator({timeline}));
this._tiles = new TilesCollection(timeline.entries, tilesCreator({timeline, ownUserId}));
}
// doesn't fill gaps, only loads stored entries/tiles

23
src/domain/session/room/timeline/tiles/MessageTile.js
View File

@ -4,7 +4,9 @@ export default class MessageTile extends SimpleTile {
constructor(options) {
super(options);
this._isOwn = this._entry.event.sender === options.ownUserId;
this._date = new Date(this._entry.event.origin_server_ts);
this._isContinuation = false;
}
get shape() {
@ -16,15 +18,32 @@ export default class MessageTile extends SimpleTile {
}
get date() {
return this._date.toLocaleDateString();
return this._date.toLocaleDateString({}, {month: "numeric", day: "numeric"});
}
get time() {
return this._date.toLocaleTimeString();
return this._date.toLocaleTimeString({}, {hour: "numeric", minute: "2-digit"});
}
get isOwn() {
return this._isOwn;
}
get isContinuation() {
return this._isContinuation;
}
_getContent() {
const event = this._entry.event;
return event && event.content;
}
updatePreviousSibling(prev) {
super.updatePreviousSibling(prev);
const isContinuation = prev && prev instanceof MessageTile && prev.sender === this.sender;
if (isContinuation !== this._isContinuation) {
this._isContinuation = isContinuation;
this.emitUpdate("isContinuation");
}
}
}

17
src/domain/session/room/timeline/tiles/RoomMemberTile.js
View File

@ -6,9 +6,22 @@ export default class RoomNameTile extends SimpleTile {
return "announcement";
}
get label() {
get announcement() {
const event = this._entry.event;
const content = event.content;
return `${event.sender} changed membership to ${content.membership}`;
switch (content.membership) {
case "invite": return `${event.state_key} was invited to the room by ${event.sender}`;
case "join": return `${event.state_key} joined the room`;
case "leave": {
if (event.state_key === event.sender) {
return `${event.state_key} left the room`;
} else {
const reason = content.reason;
return `${event.state_key} was kicked from the room by ${event.sender}${reason ? `: ${reason}` : ""}`;
}
}
case "ban": return `${event.state_key} was banned from the room by ${event.sender}`;
default: return `${event.sender} membership changed to ${content.membership}`;
}
}
}

4
src/domain/session/room/timeline/tiles/RoomNameTile.js
View File

@ -6,9 +6,9 @@ export default class RoomNameTile extends SimpleTile {
return "announcement";
}
get label() {
get announcement() {
const event = this._entry.event;
const content = event.content;
return `${event.sender} changed the room name to "${content.name}"`
return `${event.sender} named the room "${content.name}"`
}
}

4
src/domain/session/room/timeline/tiles/TextTile.js
View File

@ -1,14 +1,14 @@
import MessageTile from "./MessageTile.js";
export default class TextTile extends MessageTile {
get label() {
get text() {
const content = this._getContent();
const body = content && content.body;
const sender = this._entry.event.sender;
if (this._entry.type === "m.emote") {
return `* ${sender} ${body}`;
} else {
return `${sender}: ${body}`;
return body;
}
}
}

7
src/domain/session/room/timeline/tilesCreator.js
View File

@ -5,9 +5,9 @@ import LocationTile from "./tiles/LocationTile.js";
import RoomNameTile from "./tiles/RoomNameTile.js";
import RoomMemberTile from "./tiles/RoomMemberTile.js";
export default function ({timeline}) {
export default function ({timeline, ownUserId}) {
return function tilesCreator(entry, emitUpdate) {
const options = {entry, emitUpdate};
const options = {entry, emitUpdate, ownUserId};
if (entry.isGap) {
return new GapTile(options, timeline);
} else if (entry.event) {
@ -22,7 +22,8 @@ export default function ({timeline}) {
case "m.emote":
return new TextTile(options);
case "m.image":
return new ImageTile(options);
return null; // not supported yet
// return new ImageTile(options);
case "m.location":
return new LocationTile(options);
default:

6
src/domain/session/roomlist/RoomTileViewModel.js
View File

@ -1,3 +1,5 @@
import {avatarInitials} from "../avatar.js";
export default class RoomTileViewModel {
// we use callbacks to parent VM instead of emit because
// it would be annoying to keep track of subscriptions in
@ -21,4 +23,8 @@ export default class RoomTileViewModel {
get name() {
return this._room.name;
}
get avatarInitials() {
return avatarInitials(this._room.name);
}
}

26
src/main.js
View File

@ -2,7 +2,7 @@ import HomeServerApi from "./matrix/hs-api.js";
import Session from "./matrix/session.js";
import createIdbStorage from "./matrix/storage/idb/create.js";
import Sync from "./matrix/sync.js";
import SessionView from "./ui/web/SessionView.js";
import SessionView from "./ui/web/session/SessionView.js";
import SessionViewModel from "./domain/session/SessionViewModel.js";
const HOST = "localhost";
@ -44,15 +44,14 @@ async function login(username, password, homeserver) {
return storeSessionInfo(loginData);
}
function showSession(container, session) {
const vm = new SessionViewModel(session);
function showSession(container, session, sync) {
const vm = new SessionViewModel(session, sync);
const view = new SessionView(vm);
view.mount();
container.appendChild(view.root());
container.appendChild(view.mount());
}
// eslint-disable-next-line no-unused-vars
export default async function main(label, button, container) {
export default async function main(container) {
try {
let sessionInfo = getSessionInfo(USER_ID);
if (!sessionInfo) {
@ -67,26 +66,17 @@ export default async function main(label, button, container) {
}});
await session.load();
console.log("session loaded");
const sync = new Sync(hsApi, session, storage);
const needsInitialSync = !session.syncToken;
if (needsInitialSync) {
console.log("session needs initial sync");
} else {
showSession(container, session);
showSession(container, session, sync);
}
const sync = new Sync(hsApi, session, storage);
await sync.start();
if (needsInitialSync) {
showSession(container, session);
showSession(container, session, sync);
}
label.innerText = "sync running";
button.addEventListener("click", () => sync.stop());
sync.on("error", err => {
label.innerText = "sync error";
console.error("sync error", err);
});
sync.on("stopped", () => {
label.innerText = "sync stopped";
});
} catch(err) {
console.error(`${err.message}:\n${err.stack}`);
}

4
src/matrix/session.js
View File

@ -59,4 +59,8 @@ export default class Session {
get syncToken() {
return this._session.syncToken;
}
get userId() {
return this._sessionInfo.userId;
}
}

12
src/matrix/sync.js
View File

@ -32,12 +32,18 @@ export default class Sync extends EventEmitter {
this._isSyncing = false;
this._currentRequest = null;
}
get isSyncing() {
return this._isSyncing;
}
// returns when initial sync is done
async start() {
if (this._isSyncing) {
return;
}
this._isSyncing = true;
this.emit("status", "started");
let syncToken = this._session.syncToken;
// do initial sync if needed
if (!syncToken) {
@ -56,12 +62,12 @@ export default class Sync extends EventEmitter {
} catch (err) {
this._isSyncing = false;
if (!(err instanceof RequestAbortError)) {
console.warn("stopping sync because of error");
this.emit("error", err);
console.error("stopping sync because of error", err.stack);
this.emit("status", "error", err);
}
}
}
this.emit("stopped");
this.emit("status", "stopped");
}
async _syncRequest(syncToken, timeout) {

12
src/ui/web/RoomTile.js
View File

@ -1,12 +0,0 @@
import TemplateView from "./TemplateView.js";
export default class RoomTile extends TemplateView {
render(t) {
return t.li(vm => vm.name);
}
// called from ListView
clicked() {
this.viewModel.open();
}
}

55
src/ui/web/RoomView.js
View File

@ -1,55 +0,0 @@
import TimelineTile from "./TimelineTile.js";
import ListView from "./ListView.js";
import {tag} from "./html.js";
import GapView from "./timeline/GapView.js";
export default class RoomView {
constructor(viewModel) {
this._viewModel = viewModel;
this._root = null;
this._timelineList = null;
this._nameLabel = null;
this._onViewModelUpdate = this._onViewModelUpdate.bind(this);
}
mount() {
this._viewModel.on("change", this._onViewModelUpdate);
this._nameLabel = tag.h2(null, this._viewModel.name);
this._errorLabel = tag.div({className: "RoomView_error"});
this._timelineList = new ListView({}, entry => {
return entry.shape === "gap" ? new GapView(entry) : new TimelineTile(entry);
});
this._timelineList.mount();
this._root = tag.div({className: "RoomView"}, [
this._nameLabel,
this._errorLabel,
this._timelineList.root()
]);
return this._root;
}
unmount() {
this._timelineList.unmount();
this._viewModel.off("change", this._onViewModelUpdate);
}
root() {
return this._root;
}
_onViewModelUpdate(prop) {
if (prop === "name") {
this._nameLabel.innerText = this._viewModel.name;
}
else if (prop === "timelineViewModel") {
this._timelineList.update({list: this._viewModel.timelineViewModel.tiles});
} else if (prop === "error") {
this._errorLabel.innerText = this._viewModel.error;
}
}
update() {}
}

67
src/ui/web/SessionView.js
View File

@ -1,67 +0,0 @@
import ListView from "./ListView.js";
import RoomTile from "./RoomTile.js";
import RoomView from "./RoomView.js";
import {tag} from "./html.js";
export default class SessionView {
constructor(viewModel) {
this._viewModel = viewModel;
this._roomList = null;
this._currentRoom = null;
this._root = null;
this._onViewModelChange = this._onViewModelChange.bind(this);
}
root() {
return this._root;
}
mount() {
this._viewModel.on("change", this._onViewModelChange);
this._root = tag.div({className: "SessionView"});
this._roomList = new ListView(
{
list: this._viewModel.roomList,
onItemClick: (roomTile, event) => roomTile.clicked(event)
},
(room) => new RoomTile(room)
);
this._roomList.mount();
this._root.appendChild(this._roomList.root());
this._updateCurrentRoom();
return this._root;
}
unmount() {
this._roomList.unmount();
if (this._room) {
this._room.unmount();
}
this._viewModel.off("change", this._onViewModelChange);
}
_onViewModelChange(prop) {
if (prop === "currentRoom") {
this._updateCurrentRoom();
}
}
// changing viewModel not supported for now
update() {}
_updateCurrentRoom() {
if (this._currentRoom) {
this._currentRoom.root().remove();
this._currentRoom.unmount();
this._currentRoom = null;
}
if (this._viewModel.currentRoom) {
this._currentRoom = new RoomView(this._viewModel.currentRoom);
this._currentRoom.mount();
this.root().appendChild(this._currentRoom.root());
}
}
}

27
src/ui/web/css/avatar.css Normal file
View File

@ -0,0 +1,27 @@
.avatar {
--avatar-size: 32px;
width: var(--avatar-size);
height: var(--avatar-size);
border-radius: 100px;
overflow: hidden;
flex-shrink: 0;
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
line-height: var(--avatar-size);
font-size: calc(var(--avatar-size) * 0.6);
text-align: center;
letter-spacing: calc(var(--avatar-size) * -0.05);
background: white;
color: black;
}
.avatar.large {
--avatar-size: 40px;
}
.avatar img {
width: 100%;
height: 100%;
}

56
src/ui/web/css/layout.css Normal file
View File

@ -0,0 +1,56 @@
html {
height: 100%;
}
body {
margin: 0;
}
.SessionView {
display: flex;
flex-direction: column;
height: 100vh;
}
.SessionView > .main {
flex: 1;
display: flex;
min-height: 0;
min-width: 0;
width: 100vw;
}
/* mobile layout */
@media screen and (max-width: 800px) {
.back { display: block !important; }
.RoomView, .RoomPlaceholderView { display: none; }
.room-shown .RoomView { display: unset; }
.room-shown .LeftPanel { display: none; }
.right-shown .TimelinePanel { display: none; }
}
.LeftPanel {
flex: 0 0 300px;
min-width: 0;
}
.RoomPlaceholderView, .RoomView {
flex: 1 0 0;
min-width: 0;
}
.RoomView {
min-width: 0;
display: flex;
}
.TimelinePanel {
flex: 3;
min-height: 0;
display: flex;
flex-direction: column;
}
.RoomHeader {
display: flex;
}

47
src/ui/web/css/left-panel.css Normal file
View File

@ -0,0 +1,47 @@
.LeftPanel {
background: #333;
color: white;
overflow-y: auto;
}
.LeftPanel ul {
list-style: none;
padding: 0;
margin: 0;
}
.LeftPanel li {
margin: 5px;
padding: 10px;
display: flex;
align-items: center;
}
.LeftPanel li {
border-bottom: 1px #555 solid;
}
.LeftPanel li:last-child {
border-bottom: none;
}
.LeftPanel li > * {
margin-right: 10px;
}
.LeftPanel div.description {
margin: 0;
flex: 1 1 0;
min-width: 0;
}
.LeftPanel .description > * {
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
.LeftPanel .description .last-message {
font-size: 0.8em;
}

28
src/ui/web/css/main.css Normal file
View File

@ -0,0 +1,28 @@
@import url('layout.css');
@import url('left-panel.css');
@import url('room.css');
@import url('timeline.css');
@import url('avatar.css');
body {
margin: 0;
font-family: sans-serif;
background-color: black;
color: white;
}
.SyncStatusBar {
background-color: #555;
display: none;
}
.SyncStatusBar_shown {
display: unset;
}
.RoomPlaceholderView {
display: flex;
align-items: center;
justify-content: center;
flex-direction: row;
}

65
src/ui/web/css/room.css Normal file
View File

@ -0,0 +1,65 @@
.RoomHeader {
padding: 10px;
background-color: #333;
}
.RoomHeader *:last-child {
margin-right: 0 !important;
}
.RoomHeader > * {
margin-right: 10px !important;
}
.RoomHeader button {
width: 40px;
height: 40px;
display: none;
font-size: 1.5em;
padding: 0;
display: block;
background: white;
border: none;
font-weight: bolder;
line-height: 40px;
}
.RoomHeader button.back {
display: none;
}
.RoomHeader .topic {
font-size: 0.8em;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
.back::before {
content: "☰";
}
.more::before {
content: "⋮";
}
.RoomHeader {
align-items: center;
}
.RoomHeader .description {
flex: 1 1 auto;
min-width: 0;
}
.RoomHeader h2 {
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
margin: 0;
}
.RoomView_error {
color: red;
}

74
src/ui/web/css/timeline.css Normal file
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@ -0,0 +1,74 @@
.TimelinePanel ul {
flex: 1;
overflow-y: auto;
list-style: none;
padding: 0;
margin: 0;
}
.TimelinePanel li {
}
.message-container {
flex: 0 1 auto;
max-width: 80%;
padding: 5px 10px;
margin: 5px 10px;
background: blue;
}
.message-container .sender {
margin: 5px 0;
font-size: 0.9em;
font-weight: bold;
}
.TextMessageView {
display: flex;
min-width: 0;
}
.TextMessageView.own .message-container {
margin-left: auto;
}
.TextMessageView .message-container time {
float: right;
padding: 2px 0 0px 20px;
font-size: 0.9em;
color: lightblue;
}
.message-container time {
font-size: 0.9em;
color: lightblue;
}
.own time {
color: lightgreen;
}
.own .message-container {
background-color: darkgreen;
}
.message-container p {
margin: 5px 0;
}
.AnnouncementView {
margin: 5px 0;
padding: 5px 10%;
display: flex;
align-items: center;
}
.AnnouncementView > div {
margin: 0 auto;
padding: 10px 20px;
background-color: #333;
font-size: 0.9em;
color: #CCC;
text-align: center;
}

23
src/ui/web/ListView.js → src/ui/web/general/ListView.js
View File

@ -19,9 +19,10 @@ function insertAt(parentNode, idx, childNode) {
}
export default class ListView {
constructor({list, onItemClick}, childCreator) {
constructor({list, onItemClick, className}, childCreator) {
this._onItemClick = onItemClick;
this._list = list;
this._className = className;
this._root = null;
this._subscription = null;
this._childCreator = childCreator;
@ -47,7 +48,11 @@ export default class ListView {
}
mount() {
this._root = tag.ul({className: "ListView"});
const attr = {};
if (this._className) {
attr.className = this._className;
}
this._root = tag.ul(attr);
this._loadList();
if (this._onItemClick) {
this._root.addEventListener("click", this._onClick);
@ -95,25 +100,37 @@ export default class ListView {
}
onAdd(idx, value) {
this.onBeforeListChanged();
const child = this._childCreator(value);
this._childInstances.splice(idx, 0, child);
insertAt(this._root, idx, child.mount());
this.onListChanged();
}
onRemove(idx, _value) {
this.onBeforeListChanged();
const [child] = this._childInstances.splice(idx, 1);
child.root().remove();
child.unmount();
this.onListChanged();
}
onMove(fromIdx, toIdx, value) {
this.onBeforeListChanged();
const [child] = this._childInstances.splice(fromIdx, 1);
this._childInstances.splice(toIdx, 0, child);
child.root().remove();
insertAt(this._root, toIdx, child.root());
this.onListChanged();
}
onUpdate(i, value, params) {
this._childInstances[i].update(value, params);
if (this._childInstances) {
const instance = this._childInstances[i];
instance && instance.update(value, params);
}
}
onBeforeListChanged() {}
onListChanged() {}
}

36
src/ui/web/general/SwitchView.js Normal file
View File

@ -0,0 +1,36 @@
export default class SwitchView {
constructor(defaultView) {
this._childView = defaultView;
}
mount() {
return this._childView.mount();
}
unmount() {
return this._childView.unmount();
}
root() {
return this._childView.root();
}
update() {
return this._childView.update();
}
switch(newView) {
const oldRoot = this.root();
this._childView.unmount();
this._childView = newView;
const newRoot = this._childView.mount();
const parent = oldRoot.parentElement;
if (parent) {
parent.replaceChild(newRoot, oldRoot);
}
}
get childView() {
return this._childView;
}
}

35
src/ui/web/Template.js → src/ui/web/general/Template.js
View File

@ -1,17 +1,13 @@
import { setAttribute, text, TAG_NAMES } from "./html.js";
import { setAttribute, text, isChildren, classNames, TAG_NAMES } from "./html.js";
function classNames(obj, value) {
return Object.entries(obj).reduce((cn, [name, enabled]) => {
if (typeof enabled === "function") {
enabled = enabled(value);
function objHasFns(obj) {
for(const value of Object.values(obj)) {
if (typeof value === "function") {
return true;
}
if (enabled) {
return (cn.length ? " " : "") + name;
} else {
return cn;
}
}, "");
}
return false;
}
/**
Bindable template. Renders once, and allows bindings for given nodes. If you need
@ -130,14 +126,9 @@ export default class Template {
}
el(name, attributes, children) {
if (attributes) {
// valid attributes is only object that is not a DOM node
// anything else (string, fn, array, dom node) is presumed
// to be children with no attributes passed
if (typeof attributes !== "object" || !!attributes.nodeType || Array.isArray(attributes)) {
children = attributes;
attributes = null;
}
if (attributes && isChildren(attributes)) {
children = attributes;
attributes = null;
}
const node = document.createElement(name);
@ -157,7 +148,11 @@ export default class Template {
const isFn = typeof value === "function";
// binding for className as object of className => enabled
if (key === "className" && typeof value === "object" && value !== null) {
this._addClassNamesBinding(node, value);
if (objHasFns(value)) {
this._addClassNamesBinding(node, value);
} else {
setAttribute(node, key, classNames(value));
}
} else if (key.startsWith("on") && key.length > 2 && isFn) {
const eventName = key.substr(2, 1).toLowerCase() + key.substr(3);
const handler = value;

13
src/ui/web/TemplateView.js → src/ui/web/general/TemplateView.js
View File

@ -1,8 +1,9 @@
import Template from "./Template.js";
export default class TemplateView {
constructor(value) {
this.viewModel = value;
constructor(vm, bindToChangeEvent) {
this.viewModel = vm;
this._changeEventHandler = bindToChangeEvent ? this.update.bind(this, this.viewModel) : null;
this._template = null;
}
@ -11,6 +12,9 @@ export default class TemplateView {
}
mount() {
if (this._changeEventHandler) {
this.viewModel.on("change", this._changeEventHandler);
}
this._template = new Template(this.viewModel, (t, value) => this.render(t, value));
return this.root();
}
@ -20,11 +24,14 @@ export default class TemplateView {
}
unmount() {
if (this._changeEventHandler) {
this.viewModel.off("change", this._changeEventHandler);
}
this._template.dispose();
this._template = null;
}
update(value) {
update(value, prop) {
this._template.update(value);
}
}

36
src/ui/web/html.js → src/ui/web/general/html.js
View File

@ -1,5 +1,23 @@
// DOM helper functions
export function isChildren(children) {
// children should be an not-object (that's the attributes), or a domnode, or an array
return typeof children !== "object" || !!children.nodeType || Array.isArray(children);
}
export function classNames(obj, value) {
return Object.entries(obj).reduce((cn, [name, enabled]) => {
if (typeof enabled === "function") {
enabled = enabled(value);
}
if (enabled) {
return cn + (cn.length ? " " : "") + name;
} else {
return cn;
}
}, "");
}
export function setAttribute(el, name, value) {
if (name === "className") {
name = "class";
@ -14,13 +32,23 @@ export function setAttribute(el, name, value) {
}
}
export function el(elementName, attrs, children) {
export function el(elementName, attributes, children) {
if (attributes && isChildren(attributes)) {
children = attributes;
attributes = null;
}
const e = document.createElement(elementName);
if (typeof attrs === "object" && attrs !== null) {
for (let [name, value] of Object.entries(attrs)) {
if (attributes) {
for (let [name, value] of Object.entries(attributes)) {
if (name === "className" && typeof value === "object" && value !== null) {
value = classNames(value);
}
setAttribute(e, name, value);
}
}
if (children) {
if (!Array.isArray(children)) {
children = [children];
@ -42,7 +70,7 @@ export function text(str) {
export const TAG_NAMES = [
"ol", "ul", "li", "div", "h1", "h2", "h3", "h4", "h5", "h6",
"p", "strong", "em", "span", "img", "section", "main", "article", "aside",
"pre", "button"];
"pre", "button", "time"];
export const tag = {};

19
src/ui/web/login/LoginView.js Normal file
View File

@ -0,0 +1,19 @@
import TemplateView from "./general/TemplateView.js";
export default class LoginView extends TemplateView {
render(t, vm) {
const username = t.input({type: "text", placeholder: vm.usernamePlaceholder});
const password = t.input({type: "password", placeholder: vm.usernamePlaceholder});
const homeserver = t.input({type: "text", placeholder: vm.hsPlaceholder, value: vm.defaultHS});
return t.div({className: "login form"}, [
t.if(vm => vm.error, t => t.div({className: "error"}, vm => vm.error)),
t.div(username),
t.div(password),
t.div(homeserver),
t.div(t.button({
onClick: () => vm.login(username.value, password.value, homeserver.value),
disabled: vm => vm.isBusy
}, "Log In"))
]);
}
}

19
src/ui/web/session/RoomPlaceholderView.js Normal file
View File

@ -0,0 +1,19 @@
import {tag} from "../general/html.js";
export default class RoomPlaceholderView {
constructor() {
this._root = null;
}
mount() {
this._root = tag.div({className: "RoomPlaceholderView"}, tag.h2("Choose a room on the left side."));
return this._root;
}
root() {
return this._root;
}
unmount() {}
update() {}
}

15
src/ui/web/session/RoomTile.js Normal file
View File

@ -0,0 +1,15 @@
import TemplateView from "../general/TemplateView.js";
export default class RoomTile extends TemplateView {
render(t) {
return t.li([
t.div({className: "avatar medium"}, vm => vm.avatarInitials),
t.div({className: "description"}, t.div({className: "name"}, vm => vm.name))
]);
}
// called from ListView
clicked() {
this.viewModel.open();
}
}

62
src/ui/web/session/SessionView.js Normal file
View File

@ -0,0 +1,62 @@
import ListView from "../general/ListView.js";
import RoomTile from "./RoomTile.js";
import RoomView from "./room/RoomView.js";
import SwitchView from "../general/SwitchView.js";
import RoomPlaceholderView from "./RoomPlaceholderView.js";
import SyncStatusBar from "./SyncStatusBar.js";
import {tag} from "../general/html.js";
export default class SessionView {
constructor(viewModel) {
this._viewModel = viewModel;
this._middleSwitcher = null;
this._roomList = null;
this._currentRoom = null;
this._root = null;
this._onViewModelChange = this._onViewModelChange.bind(this);
}
root() {
return this._root;
}
mount() {
this._viewModel.on("change", this._onViewModelChange);
this._syncStatusBar = new SyncStatusBar(this._viewModel.syncStatusViewModel);
this._roomList = new ListView(
{
className: "RoomList",
list: this._viewModel.roomList,
onItemClick: (roomTile, event) => roomTile.clicked(event)
},
(room) => new RoomTile(room)
);
this._middleSwitcher = new SwitchView(new RoomPlaceholderView());
this._root = tag.div({className: "SessionView"}, [
this._syncStatusBar.mount(),
tag.div({className: "main"}, [
tag.div({className: "LeftPanel"}, this._roomList.mount()),
this._middleSwitcher.mount()
])
]);
return this._root;
}
unmount() {
this._roomList.unmount();
this._middleSwitcher.unmount();
this._viewModel.off("change", this._onViewModelChange);
}
_onViewModelChange(prop) {
if (prop === "currentRoom") {
this._root.classList.add("room-shown");
this._middleSwitcher.switch(new RoomView(this._viewModel.currentRoom));
}
}
// changing viewModel not supported for now
update() {}
}

17
src/ui/web/session/SyncStatusBar.js Normal file
View File

@ -0,0 +1,17 @@
import TemplateView from "../general/TemplateView.js";
export default class SyncStatusBar extends TemplateView {
constructor(vm) {
super(vm, true);
}
render(t, vm) {
return t.div({className: {
"SyncStatusBar": true,
"SyncStatusBar_shown": true,
}}, [
vm => vm.status,
t.if(vm => !vm.isSyncing, t => t.button({onClick: () => vm.trySync()}, "Try syncing"))
]);
}
}

47
src/ui/web/session/room/RoomView.js Normal file
View File

@ -0,0 +1,47 @@
import TemplateView from "../../general/TemplateView.js";
import TimelineList from "./TimelineList.js";
export default class RoomView extends TemplateView {
constructor(viewModel) {
super(viewModel, true);
this._timelineList = null;
this._checkScroll = this._checkScroll.bind(this);
}
render(t) {
return t.div({className: "RoomView"}, [
t.div({className: "TimelinePanel"}, [
t.div({className: "RoomHeader"}, [
t.button({className: "back"}),
t.div({className: "avatar large"}, vm => vm.avatarInitials),
t.div({className: "room-description"}, [
t.h2(vm => vm.name),
]),
]),
t.div({className: "RoomView_error"}, vm => vm.error),
this._timelineList.mount()
])
]);
}
mount() {
this._timelineList = new TimelineList();
return super.mount();
}
unmount() {
this._timelineList.unmount();
super.unmount();
}
update(value, prop) {
super.update(value, prop);
if (prop === "timelineViewModel") {
this._timelineList.update({list: this.viewModel.timelineViewModel.tiles});
}
}
_checkScroll() {
// const list = this._timelineList.root();
}
}

37
src/ui/web/session/room/TimelineList.js Normal file
View File

@ -0,0 +1,37 @@
import ListView from "../../general/ListView.js";
import GapView from "./timeline/GapView.js";
import TextMessageView from "./timeline/TextMessageView.js";
import AnnouncementView from "./timeline/AnnouncementView.js";
export default class TimelineList extends ListView {
constructor(options = {}) {
options.className = "Timeline";
super(options, entry => {
switch (entry.shape) {
case "gap": return new GapView(entry);
case "announcement": return new AnnouncementView(entry);
case "message":return new TextMessageView(entry);
}
});
this._atBottom = false;
}
_loadList() {
super._loadList();
const root = this.root();
root.scrollTop = root.scrollHeight;
}
onBeforeListChanged() {
const root = this.root();
const fromBottom = root.scrollHeight - root.scrollTop - root.clientHeight;
this._atBottom = fromBottom < 1;
}
onListChanged() {
if (this._atBottom) {
const root = this.root();
root.scrollTop = root.scrollHeight;
}
}
}

7
src/ui/web/session/room/timeline/AnnouncementView.js Normal file
View File

@ -0,0 +1,7 @@
import TemplateView from "../../../general/TemplateView.js";
export default class AnnouncementView extends TemplateView {
render(t) {
return t.li({className: "AnnouncementView"}, t.div(vm => vm.announcement));
}
}

9
src/ui/web/timeline/GapView.js → src/ui/web/session/room/timeline/GapView.js
View File

@ -1,14 +1,17 @@
import TemplateView from "../TemplateView.js";
import TemplateView from "../../../general/TemplateView.js";
export default class GapView extends TemplateView {
render(t, vm) {
const className = {
gap: true,
GapView: true,
isLoading: vm => vm.isLoading
};
const label = (vm.isUp ? "🠝" : "🠟") + " fill gap"; //no binding
return t.li({className}, [
t.button({onClick: () => this.viewModel.fill(), disabled: vm => vm.isLoading}, label),
t.button({
onClick: () => this.viewModel.fill(),
disabled: vm => vm.isLoading
}, label),
t.if(vm => vm.error, t => t.strong(vm => vm.error))
]);
}

14
src/ui/web/session/room/timeline/TextMessageView.js Normal file
View File

@ -0,0 +1,14 @@
import TemplateView from "../../../general/TemplateView.js";
export default class TextMessageView extends TemplateView {
render(t, vm) {
// no bindings ... should this be a template view?
return t.li(
{className: {"TextMessageView": true, own: vm.isOwn}},
t.div({className: "message-container"}, [
t.div({className: "sender"}, vm => vm.isContinuation ? "" : vm.sender),
t.p([vm.text, t.time(vm.date + " " + vm.time)]),
])
);
}
}

8
src/ui/web/TimelineTile.js → src/ui/web/session/room/timeline/TimelineTile.js
View File

@ -1,4 +1,4 @@
import {tag} from "./html.js";
import {tag} from "../../../general/html.js";
export default class TimelineTile {
constructor(tileVM) {
@ -24,10 +24,10 @@ export default class TimelineTile {
function renderTile(tile) {
switch (tile.shape) {
case "message":
return tag.li(null, [tag.strong(null, tile.internalId+" "), tile.label]);
return tag.li([tag.strong(tile.internalId+" "), tile.label]);
case "announcement":
return tag.li(null, [tag.strong(null, tile.internalId+" "), tile.label]);
return tag.li([tag.strong(tile.internalId+" "), tile.announcement]);
default:
return tag.li(null, [tag.strong(null, tile.internalId+" "), "unknown tile shape: " + tile.shape]);
return tag.li([tag.strong(tile.internalId+" "), "unknown tile shape: " + tile.shape]);
}
}