Version 1.6.0: User online list implemented

config.xml

@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<widget id="io.ionic.starter" version="1.5.0" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
+<widget id="io.ionic.starter" version="1.6.0" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0">
     <name>METAsocket</name>
     <description>WowApp's awesome instant messenger for the whole Greifentanzgeschwader</description>
     <author email="webmaster@sabolli.de" href="https://sabolli.de/metasocket/">sabolli</author>

src/app/app.config.ts

@@ -1,4 +1,4 @@
 export default class AppConfig
 {
-  public static readonly VERSION: string = '1.5.0';
+  public static readonly VERSION: string = '1.6.0';
 }

src/app/chat/chat.component.html

@@ -1,4 +1,4 @@
-<div id="chat">
+<div #chat id="chat" (touchmove)="onChatTouch($event)" (touchend)="onTouchEnd()">
   <div #errorMessage id="error-message">Konnte keine Verbindung herstellen!</div>
 
   <div #chatPostArea id="chat-post-area" (scroll)="onScroll()">
@@ -19,3 +19,12 @@
     <button #buttonSend class="button-send-offline" (click)="postMessage()" id="button-send"></button>
   </div>
 </div>
+
+<div #sidebar id="sidebar" (touchmove)="onSidebarTouch($event)" (touchend)="onTouchEnd()">
+  <div id="userlist">
+    <div *ngFor="let user of userList" class="user">
+      <div class="userlist-element"><img src="{{url}}/user/{{user.userId}}/avatar?token={{userToken}}" class="chat-avatar userlist-avatar"></div>
+      <div class="userlist-element"><div class="">{{user.username}}</div></div>
+    </div>
+  </div>
+</div>

src/app/chat/chat.component.ts

@@ -15,6 +15,7 @@ import FullscreenNotification from '../fullscreen.notification';
 import AppConfig from '../app.config';
 import FullscreenDialog from '../fullscreen.dialog';
 import AppStorage from '../app.storage';
+import {User} from '../user';
 
 const {App} = Plugins;
 
@@ -24,12 +25,17 @@ const {App} = Plugins;
   styleUrls: ['./chat.component.scss'],
 })
 export class ChatComponent implements OnInit, AfterViewInit, AfterViewChecked, WebsocketListener {
+  public static readonly SWIPE_SENSITIVITY: number = 30;
+
   messages: ChatMessage[] = [];
   userToken: string;
   userId: number;
   url: string;
   chatText: string;
+  userList: User[] = [];
 
+  @ViewChild('chat') chat: ElementRef;
+  @ViewChild('sidebar') sidebar: ElementRef;
   @ViewChild('chatPostArea') chatPostArea: ElementRef;
   @ViewChild('errorMessage') errorMessage: ElementRef;
   @ViewChild('chatTextArea') chatTextArea: ElementRef;
@@ -42,6 +48,9 @@ export class ChatComponent implements OnInit, AfterViewInit, AfterViewChecked, W
   private hasBeenReloaded = false;
   private hasFocus = true;
   private isReconnection = false;
+  private lastTouchX = null;
+  private lastTouchY = null;
+  private isSwiping = false;
 
   public constructor(
     private apiService: ApiService,
@@ -60,6 +69,11 @@ export class ChatComponent implements OnInit, AfterViewInit, AfterViewChecked, W
     this.backgroundMode.disableWebViewOptimizations();
   }
 
+  private static isHorizontalSwipe(deltaX: number, deltaY: number): boolean
+  {
+    return Math.abs(deltaX) / window.innerHeight > Math.abs(deltaY) / window.innerWidth;
+  }
+
   ngAfterViewInit(): void {
     this.chatPostArea.nativeElement.scroll(0, this.chatPostArea.nativeElement.scrollHeight);
   }
@@ -230,6 +244,60 @@ export class ChatComponent implements OnInit, AfterViewInit, AfterViewChecked, W
     this.isReconnection = true;
   }
 
+  onChatTouch(event: TouchEvent): void
+  {
+    if (this.isSwiping) {
+      return;
+    }
+
+    if (this.getTouchEvent(event) === -1) {
+      event.preventDefault();
+
+      this.chat.nativeElement.id = 'chat-swiped-out';
+      this.sidebar.nativeElement.id = 'sidebar-swiped-in';
+
+      this.isSwiping = true;
+
+      setTimeout(
+        () => {
+          this.isSwiping = false;
+        },
+        500
+      );
+    }
+  }
+
+  onSidebarTouch(event: TouchEvent): void
+  {
+    if (this.isSwiping) {
+      return;
+    }
+
+    if (this.getTouchEvent(event) === 1) {
+      this.chat.nativeElement.id = 'chat-swiped-in';
+      this.sidebar.nativeElement.id = 'sidebar-swiped-out';
+
+      this.isSwiping = true;
+
+      setTimeout(
+        () => {
+          this.isSwiping = false;
+          },
+        500
+      );
+    }
+  }
+
+  onTouchStart(event: TouchEvent): void
+  {
+  }
+
+  onTouchEnd(): void
+  {
+    this.lastTouchX = null;
+    this.lastTouchY = null;
+  }
+
   onError(message: string): void
   {
     this.errorMessage.nativeElement.style.display = 'block';
@@ -237,6 +305,38 @@ export class ChatComponent implements OnInit, AfterViewInit, AfterViewChecked, W
     this.disableSendButton();
   }
 
+  onUserListInit(userList: User[]): void
+  {
+    userList.forEach(
+      (user) => {
+        if (user.userId !== this.userId && !this.hasUserListUser(user)) {
+          this.userList.push(user);
+        }
+      }
+    );
+
+    this.sortUserList();
+  }
+
+  onUserConnected(user: User): void
+  {
+    if (!this.hasUserListUser(user)) {
+      this.userList.push(user);
+      this.sortUserList();
+    }
+  }
+
+  onUserDisconnected(userId: number): void
+  {
+    for (let u = 0; u < this.userList.length; u++) {
+      if (this.userList[u].userId === userId) {
+        this.userList = this.userList.slice(0, u).concat(this.userList.slice(u + 1));
+
+        return;
+      }
+    }
+  }
+
   citeUsername(username: string): void
   {
     this.insertIntoTextareaCursorPosition('@' + username, false);
@@ -317,6 +417,26 @@ export class ChatComponent implements OnInit, AfterViewInit, AfterViewChecked, W
       );
   }
 
+  private getTouchEvent(event: TouchEvent): number
+  {
+    if (this.lastTouchX !== null && this.lastTouchY !== null) {
+      const deltaX = event.changedTouches[0].screenX - this.lastTouchX;
+      const deltaY = event.changedTouches[0].screenY - this.lastTouchY;
+
+      this.lastTouchX = null;
+      this.lastTouchY = null;
+
+      if (ChatComponent.isHorizontalSwipe(deltaX, deltaY) && Math.abs(deltaX) >= ChatComponent.SWIPE_SENSITIVITY) {
+        return deltaX >= 0 ? 1 : -1;
+      }
+
+      return 0;
+    }
+
+    this.lastTouchX = event.changedTouches[0].screenX;
+    this.lastTouchY = event.changedTouches[0].screenY;
+  }
+
   private hasChatMessage(message: ChatMessage): boolean
   {
     for (const messageStored of this.messages) {
@@ -410,4 +530,24 @@ export class ChatComponent implements OnInit, AfterViewInit, AfterViewChecked, W
     this.buttonSend.nativeElement.classList.add('button-send-offline');
     this.buttonSend.nativeElement.disabled = true;
   }
+
+  private sortUserList(): void
+  {
+    this.userList.sort(
+      (a: User, b: User) => {
+        return a.username > b.username ? 1 : -1;
+      }
+    );
+  }
+
+  private hasUserListUser(user: User): boolean
+  {
+    for (const u of this.userList) {
+      if (user.userId === u.userId) {
+        return true;
+      }
+    }
+
+    return false;
+  }
 }

src/app/login/login.component.ts

@@ -40,7 +40,8 @@ export class LoginComponent implements OnInit {
   login(event): void
   {
     event.target.disabled = true;
-    event.target.style.visibility = 'hidden';
+    event.target.classList.add('submit-progress');
+    this.error = null;
 
     this.apiService.getAuthToken(this.username, this.password).toPromise()
       .then(
@@ -62,7 +63,7 @@ export class LoginComponent implements OnInit {
               this.error = error.name + ': ' + error.message;
 
               event.target.disabled = false;
-              event.target.style.visibility = 'visible';
+              event.target.classList.remove('submit-progress');
             }
           );
         }
@@ -94,7 +95,7 @@ export class LoginComponent implements OnInit {
         this.password = '';
 
         event.target.disabled = false;
-        event.target.style.visibility = 'visible';
+        event.target.classList.remove('submit-progress');
       }
     );
   }

src/app/socket.user.disconnected.message.ts

@@ -0,0 +1,4 @@
+export interface SocketUserDisconnectedMessage {
+  type: number;
+  userId: number;
+}

src/app/user.ts

@@ -0,0 +1,5 @@
+export interface User
+{
+  userId: number;
+  username: string;
+}

src/app/userlist/userlist.component.html

@@ -0,0 +1,3 @@
+<p>
+  userlist works!
+</p>

src/app/userlist/userlist.component.spec.ts

@@ -0,0 +1,24 @@
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
+import { IonicModule } from '@ionic/angular';
+
+import { UserlistComponent } from './userlist.component';
+
+describe('UserlistComponent', () => {
+  let component: UserlistComponent;
+  let fixture: ComponentFixture<UserlistComponent>;
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [ UserlistComponent ],
+      imports: [IonicModule.forRoot()]
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(UserlistComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  }));
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/userlist/userlist.component.ts

@@ -0,0 +1,14 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-userlist',
+  templateUrl: './userlist.component.html',
+  styleUrls: ['./userlist.component.scss'],
+})
+export class UserlistComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {}
+
+}

src/app/websocket.listener.ts

@@ -1,4 +1,5 @@
 import {ChatMessage} from './chat.message';
+import {User} from './user';
 
 export interface WebsocketListener
 {
@@ -10,5 +11,11 @@ export interface WebsocketListener
 
   onReconnect(): void;
 
+  onUserListInit(userList: User[]): void;
+
+  onUserConnected(user: User): void;
+
+  onUserDisconnected(userId: number): void;
+
   onError(message: string): void;
 }

src/app/websocket.service.ts

@@ -6,6 +6,7 @@ import {SocketReceivedChatMessage} from './socketReceivedChatMessage';
 import {WebsocketListener} from './websocket.listener';
 import {SocketSendMessage} from './socket.send.message';
 import {SocketKeepaliveMessage} from './socket.keepalive.message';
+import {User} from './user';
 
 @Injectable({
   providedIn: 'root'
@@ -30,7 +31,8 @@ export class WebsocketService {
 
   destroy(): void
   {
-    this.socket = null;
+    this.isReconnectDesired = false;
+    this.socket.close();
   }
 
   setListener(listener: WebsocketListener): void {
@@ -84,14 +86,31 @@ export class WebsocketService {
 
       case Response.REGISTRATION_MESSAGE:
         this.userList.set(response.userId, response.username);
+        this.listener.onUserConnected({userId: response.userId, username: response.username});
         break;
 
       case Response.USERLIST:
+        const userList: User[] = [];
+
         response.users.forEach(
           (user) => {
             this.userList.set(user.userId, user.username);
+
+            userList.push(
+              {
+                userId: user.userId,
+                username: user.username,
+              }
+            );
           }
         );
+
+        this.listener.onUserListInit(userList);
+
+        break;
+
+      case Response.USER_DISCONNECTED:
+        this.listener.onUserDisconnected(response.userId);
         break;
 
       default:
@@ -157,5 +176,6 @@ enum Response {
   CHAT_MESSAGE = 1,
   REGISTRATION_MESSAGE,
   USERLIST,
-  KEEP_ALIVE
+  KEEP_ALIVE,
+  USER_DISCONNECTED = 5,
 }

src/global.scss

@@ -8,10 +8,36 @@
   to { background-color: rgba(0, 0, 0, 0.5) }
 }
 
+@keyframes chat-swipe-in {
+  from {left: -100%}
+  to {left: 0}
+}
+
+@keyframes chat-swipe-out {
+  from {left: 0}
+  to {left: -100%}
+}
+
+@keyframes sidebar-swipe-in {
+  from {left: 100%}
+  to {left: 0}
+}
+
+@keyframes sidebar-swipe-out {
+  from {left: 0}
+  to {left: 100%}
+}
+
 @keyframes fullscreen-notification-window-entrance {
   from { transform: scale(0)}
 }
 
+@keyframes progress {
+  0% {opacity: 0}
+  50% {opacity: 1.0}
+  100% {opacity: 0}
+}
+
 * {
   box-sizing: border-box;
   font-family: sans-serif;
@@ -22,7 +48,7 @@ html, body {
   background-color: #251a25;
 }
 
-#chat {
+#chat, #chat-swiped-in, #chat-swiped-out {
   background: rgb(27, 47, 114) url("assets/graphics/bg_responsive.jpg") repeat;
   margin: 0;
   font-size: 16px;
@@ -30,13 +56,13 @@ html, body {
   position: fixed;
   top: 0;
   left: 0;
-  right: 0;
+  right: 300px;
   bottom: 0;
   color: white;
 }
 
 #chat-post-area {
-  position: fixed;
+  position: absolute;
   top: 0;
   left: 0;
   right: 0;
@@ -47,7 +73,7 @@ html, body {
 }
 
 #chat-type-area {
-  position: fixed;
+  position: absolute;
   height: 50px;
   background-color: #cccccc;
   left: 0;
@@ -172,6 +198,12 @@ html, body {
   font-weight: bold;
 }
 
+.submit-progress {
+  animation-name: progress;
+  animation-duration: 2s;
+  animation-iteration-count: infinite;
+}
+
 .app-version {
   color: white;
   margin-top: 50px;
@@ -322,9 +354,86 @@ a.notification-button {
   margin-top: 5px;
 }
 
+#sidebar, #sidebar-swiped-in, #sidebar-swiped-out {
+  position: fixed;
+  width: 300px;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  background-color: #cccccc;
+  border: 2px grey solid;
+  border-top: 2px solid white;
+  border-left: 2px solid white;
+  padding: 20px;
+}
+
+#userlist {
+  width: 100%;
+  height: 100%;
+  flex-flow: column wrap;
+  border: 2px grey solid;
+  border-bottom: 2px solid white;
+  border-right: 2px solid white;
+  background-color: rgb(26, 37, 26);
+  color: white;
+  overflow: auto;
+}
+
+.user {
+  display: block;
+  margin: 10px;
+}
+
+.userlist-element {
+  display: table-cell;
+  vertical-align: middle;
+}
+
+.userlist-avatar {
+  width: 48px;
+  height: 48px;
+  border-radius: 24px;
+}
+
 @media only screen and (max-height: 500px) {
   #login {
     position: static;
     display: block;
   }
 }
+
+@media only screen and (max-width: 800px) {
+  #sidebar, #sidebar-swiped-in, #sidebar-swiped-out {
+    width: 100%;
+    height: 100%;
+    left: 100%;
+    animation-duration: 0.5s;
+  }
+
+  #sidebar-swiped-in {
+    left: 0;
+    animation-name: sidebar-swipe-in;
+  }
+
+  #sidebar-swiped-out {
+    animation-name: sidebar-swipe-out
+  }
+
+  #chat, #chat-swiped-in, #chat-swiped-out {
+    width: 100%;
+    top: 0;
+    bottom: 0;
+    right: 0;
+    animation-duration: 0.5s;
+  }
+
+  #chat-swiped-in {
+    animation-name: chat-swipe-in;
+  }
+
+  #chat-swiped-out {
+    overflow: hidden;
+    animation-name: chat-swipe-out;
+    left: -100%;
+  }
+}