Add name attribute to iframe (allow magic links from messages)

src/app/dashboard/dashboard.component.html

@@ -1,13 +1,11 @@
 <div [attr.class]="layout | async">
   <div class="tfw-grid-main-components">
     <div class="tfw-header"><app-header></app-header></div>
-    <div [ngClass]="{'hide-attribute': hideMessages | async}"
+    <div [ngClass]="{'hide-attribute': hideMessages | async}" class="tfw-messages">
-         class="tfw-messages"
+      <app-messages></app-messages>
-         #tfwmessages>
-      <app-messages (newMessageEvent)="scrollMessagesToBottom()"></app-messages>
     </div>
     <div class="tfw-web tao-grid-top-left"
-         [ngClass]="{'deploy-blur': deploying || (polling | async)}">
+         [ngClass]="{'deploy-blur': deploying || (iframeReloadPoller.isPolling | async)}">
         <div *ngIf="iframeUrl | async" class="iframe-container">
           <div *ngIf="showUrlBar | async" class="urlbar-container">
             <button class="refresh btn btn-sm rounded-circle" (click)="reloadIframe()">&#8635;</button>
@@ -20,6 +18,7 @@
           </div>
           <iframe class="iframe"
                   #webiframe
+                  name="webiframe"
                   scrolling="yes"
                   frameborder="0"
                   (load)="iframeLoad()"

src/app/dashboard/dashboard.component.ts

@@ -1,12 +1,13 @@
 import { Component, OnDestroy, OnInit, ChangeDetectorRef, ElementRef, ViewChild } from '@angular/core';
 import { DeploymentNotificationService } from '../services/deployment-notification.service';
-import { Subscription, BehaviorSubject } from 'rxjs';
+import { Subscription } from 'rxjs';
 import { WebSocketService } from '../services/websocket.service';
 import { WebSocketMessage } from '../message-types/websocket-message';
-import { DashboardConfigService } from '../services/config.service';
+import { DashboardConfigService, ConfigReadyService } from '../services/config.service';
 import { HttpClient } from '@angular/common/http';
-import { delay, retryWhen, tap } from 'rxjs/operators';
 import { FSMUpdateService } from '../services/fsmupdate.service';
+import { MessagesComponent } from '../messages/messages.component';
+import { StatusCodePoller } from './statuscodepoller';
 
 @Component({
   selector: 'app-dashboard',
@@ -15,10 +16,9 @@ import { FSMUpdateService } from '../services/fsmupdate.service';
 })
 export class DashboardComponent implements OnInit, OnDestroy {
   deploying = false;
-  polling = new BehaviorSubject<boolean>(false);
   deploymentNotificationSubscription: Subscription;
   @ViewChild('webiframe', {static: false}) webiframe: ElementRef;
-  @ViewChild('tfwmessages', {static: false}) messages: ElementRef;
+  @ViewChild(MessagesComponent, {static: false}) messages: MessagesComponent;
   @ViewChild('urlbar', {static: false}) urlbar: ElementRef;
 
   layout = this.configService.layout;
@@ -27,7 +27,7 @@ export class DashboardComponent implements OnInit, OnDestroy {
   iframeUrl = this.configService.iframeUrl;
   actualIframeUrl = this.iframeUrl.value;
   terminalMenuItem = this.configService.terminalMenuItem;
-  iframeReloadSubscription: Subscription;
+  iframeReloadPoller: StatusCodePoller;
 
   command_handlers = {
     'dashboard.reloadFrontend':   this.reloadFrontendHandlder.bind(this),
@@ -38,6 +38,7 @@ export class DashboardComponent implements OnInit, OnDestroy {
               private webSocketService: WebSocketService,
               private changeDetectorRef: ChangeDetectorRef,
               private http: HttpClient,
+              private configReadyService: ConfigReadyService,
               private configService: DashboardConfigService,
               private fsmUpdateService: FSMUpdateService) {}
 
@@ -45,6 +46,7 @@ export class DashboardComponent implements OnInit, OnDestroy {
     this.webSocketService.connect();
     this.configService.init();
     this.subscribeCheckSolution();
+    this.iframeReloadPoller = new StatusCodePoller(this.iframeUrl, this.http);
     this.hideIframeUntilResponseOk();
     this.subscribeResizeOnLayoutChange();
     this.initCommandHandling();
@@ -62,14 +64,16 @@ export class DashboardComponent implements OnInit, OnDestroy {
   }
 
   hideIframeUntilResponseOk() {
-    // TODO: hide iframe and show it after this whole deal...
+    this.iframeReloadPoller.ok.subscribe(() => this.reloadIframe());
-    this.reloadIframeWhenResponseOk();
+    this.configReadyService.configDone.subscribe(() =>
+      this.iframeReloadPoller.start()
+    );
   }
 
   subscribeResizeOnLayoutChange() {
     this.configService.layout.subscribe(() => {
       this.emitResizeEvent();
-      setTimeout(() => this.scrollMessagesToBottom(), 0);
+      setTimeout(() => this.messages.scrollToBottom(), 0);
     });
   }
 
@@ -85,7 +89,7 @@ export class DashboardComponent implements OnInit, OnDestroy {
       (deploying) => {
         this.deploying = deploying;
         if (!deploying && this.configService.reloadIframeOnDeploy.value) {
-          this.reloadIframeWhenResponseOk();
+          this.iframeReloadPoller.start();
         }
       });
   }
@@ -99,7 +103,7 @@ export class DashboardComponent implements OnInit, OnDestroy {
   }
 
   reloadIframeHandler(message: WebSocketMessage) {
-    setTimeout(() => this.reloadIframeNoSubmit(), 200);
+    setTimeout(() => this.reloadIframe(), 200);
   }
 
   setLayout(layout: string) {
@@ -114,14 +118,7 @@ export class DashboardComponent implements OnInit, OnDestroy {
 
   reloadIframe() {
     setTimeout(() => {
-      this.webiframe.nativeElement.contentWindow.location.reload(true);
+      this.webiframe.nativeElement.contentWindow.frames.location.href = this.iframeUrl.value;
-    });
-  }
-
-  reloadIframeNoSubmit() {
-    // Sometimes it is needed to reload the iframe without resending the previous form data
-    setTimeout(() => {
-      this.webiframe.nativeElement.contentWindow.location = this.webiframe.nativeElement.contentWindow.location.href;
     });
   }
 
@@ -132,17 +129,9 @@ export class DashboardComponent implements OnInit, OnDestroy {
     this.terminalMenuItem.next(item);
   }
 
-  scrollMessagesToBottom() {
-    const element = this.messages.nativeElement;
-    // This must be done in the Angular event loop to avoid messing up
-    // change detection (not in the template like ConsoleComponent does)
-    element.scrollTop = element.scrollHeight;
-  }
-
   iframeLoad() {
     if (this.webiframe && this.iframeUrl.value) {
       const href = this.webiframe.nativeElement.contentWindow.frames.location.href;
-      console.log(href, this.webiframe.nativeElement.contentWindow);
       const match = href.match(/.*?\/\/.*?(\/.*)/);
       if (match !== null) {
         // iframes on Firefox can have an about:blank
@@ -162,35 +151,13 @@ export class DashboardComponent implements OnInit, OnDestroy {
     ) {
       return;
     }
-    this.webiframe.nativeElement.contentWindow.frames.location.href = this.urlbar.nativeElement.value;
+    this.iframeUrl.next(this.urlbar.nativeElement.value);
-  }
-
-  reloadIframeWhenResponseOk() {
-    if (this.polling.value) {
-      this.iframeReloadSubscription.unsubscribe();
-    }
-    this.polling.next(true);
-    this.iframeReloadSubscription = this.http.get(this.actualIframeUrl, {observe: 'response'}).pipe(
-      retryWhen(errors =>
-        errors.pipe(
-          tap(
-            response => {
-              if (response.status === 200) {
-                this.iframeReloadSubscription.unsubscribe();
-                this.polling.next(false);
-                this.reloadIframe();
-          }}),
-          delay(1000)
-    ))).subscribe();
   }
 
   ngOnDestroy() {
     if (this.deploymentNotificationSubscription) {
       this.deploymentNotificationSubscription.unsubscribe();
     }
-
+    this.iframeReloadPoller.stop();
-    if (this.iframeReloadSubscription) {
-      this.iframeReloadSubscription.unsubscribe();
-    }
   }
 }

src/app/dashboard/statuscodepoller.ts

@@ -0,0 +1,63 @@
+import { HttpClient } from '@angular/common/http';
+import { Subject, Subscription, BehaviorSubject } from 'rxjs';
+import { retryWhen, delay, tap, skip } from 'rxjs/operators';
+
+export class StatusCodePoller {
+  http: HttpClient;
+  url: BehaviorSubject<string>;
+  pollFreq: number;
+  okCode: number;
+  stopOnOk: boolean;
+
+  pollSubscription: Subscription;
+  urlSubscription: Subscription;
+  poll = new Subject<any>();
+  ok = new Subject<any>();
+  isPolling = new BehaviorSubject<boolean>(false);
+
+  constructor(
+      url: BehaviorSubject<string>, http: HttpClient,
+      pollFreq = 1000, okCode = 200,
+      stopOnOk = true
+    ) {
+    this.url = url;
+    this.http = http;
+    this.pollFreq = pollFreq;
+    this.okCode = okCode;
+    this.stopOnOk = stopOnOk;
+  }
+
+  start() {
+    this.stop();
+    if (this.url.value === '') {
+      return;
+    }
+    this.urlSubscription = this.url.pipe(skip(1)).subscribe(() => this.stop());
+    this.isPolling.next(true);
+    this.pollSubscription = this.http.get(this.url.value, {observe: 'response'}).pipe(
+      retryWhen(errors =>
+        errors.pipe(
+          tap(
+            response => {
+              this.poll.next(response);
+              if (response.status === this.okCode) {
+                if (this.stopOnOk) {
+                  this.stop();
+                }
+                this.ok.next(response);
+              }
+          }),
+          delay(this.pollFreq)
+    ))).subscribe();
+  }
+
+  stop() {
+    this.isPolling.next(false);
+    if (this.pollSubscription) {
+      this.pollSubscription.unsubscribe();
+    }
+    if (this.urlSubscription) {
+      this.urlSubscription.unsubscribe();
+    }
+  }
+}

src/app/message-types/bot-messages.ts

@@ -1,9 +1,5 @@
 import { WebSocketMessage } from './websocket-message';
 
-export interface MessageConfig extends WebSocketMessage {
-  originator?: string;
-}
-
 export interface MessageData {
   originator?: string;
   timestamp?: Date;

src/app/messages/messages.component.ts

@@ -1,4 +1,4 @@
-import { ChangeDetectorRef, Component, OnInit, EventEmitter, Output } from '@angular/core';
+import { ChangeDetectorRef, Component, OnInit, EventEmitter, Output, ElementRef } from '@angular/core';
 import { MessageData, Message } from '../message-types/bot-messages';
 import { MarkdownService } from '../services/markdown.service';
 import { WebSocketService } from '../services/websocket.service';
@@ -19,7 +19,8 @@ export class MessagesComponent implements OnInit {
   constructor(
     private markdownService: MarkdownService,
     private websocketService: WebSocketService,
-    private changeDetectorRef: ChangeDetectorRef
+    private changeDetectorRef: ChangeDetectorRef,
+    private ref: ElementRef
   ) {}
 
   ngOnInit() {
@@ -27,6 +28,7 @@ export class MessagesComponent implements OnInit {
       message => {
         this.writeMessage(message);
         this.newMessageEvent.emit();
+        this.scrollToBottom();
     });
 
     this.websocketService.connect();
@@ -41,6 +43,11 @@ export class MessagesComponent implements OnInit {
     this.changeDetectorRef.detectChanges();
   }
 
+  scrollToBottom() {
+    const element = this.ref.nativeElement.parentElement;
+    element.scrollTop = element.scrollHeight;
+  }
+
   transformMessage(message: MessageData) {
     message.message = this.convertMarkdownToHTML(message.message);
     if (!message.timestamp) {