fix: Mobile style fixes and other small ui fixes

toju-app/src/app/domains/direct-call/application/services/direct-call.service.ts

@@ -9,6 +9,7 @@ import {
 import { Router } from '@angular/router';
 import { Store } from '@ngrx/store';
 import { NotificationAudioService, AppSound } from '../../../../core/services/notification-audio.service';
+import { ViewportService } from '../../../../core/platform';
 import {
   VoiceActivityService,
   VoiceConnectionFacade,
@@ -38,9 +39,11 @@ export class DirectCallService {
   private readonly voiceSession = inject(VoiceSessionFacade);
   private readonly voiceActivity = inject(VoiceActivityService);
   private readonly playback = inject(VoicePlaybackService);
+  private readonly viewport = inject(ViewportService);
   private readonly currentUser = this.store.selectSignal(selectCurrentUser);
   private readonly users = this.store.selectSignal(selectAllUsers);
   private readonly sessionsSignal = signal<DirectCallSession[]>([]);
+  private readonly mobileOverlayCallId = signal<string | null>(null);
 
   readonly sessions = computed(() => this.sessionsSignal());
   readonly activeSessions = computed(() => this.sessions().filter((session) => session.status !== 'ended'));
@@ -65,6 +68,15 @@ export class DirectCallService {
   });
   readonly currentSession = signal<DirectCallSession | null>(null);
   readonly hasActiveCall = computed(() => this.visibleActiveSessions().length > 0);
+  readonly mobileOverlaySession = computed(() => {
+    const callId = this.mobileOverlayCallId();
+
+    if (!callId) {
+      return null;
+    }
+
+    return this.visibleActiveSessions().find((session) => session.callId === callId) ?? null;
+  });
 
   constructor() {
     this.delivery.directCallEvents$.subscribe((event) => {
@@ -92,6 +104,12 @@ export class DirectCallService {
 
       this.audio.stop(AppSound.Call);
     });
+
+    effect(() => {
+      if (this.mobileOverlayCallId() && !this.mobileOverlaySession()) {
+        this.mobileOverlayCallId.set(null);
+      }
+    });
   }
 
   sessionById(callId: string | null | undefined): DirectCallSession | null {
@@ -155,7 +173,7 @@ export class DirectCallService {
     this.currentSession.set(session);
     await this.joinCall(session.callId, false);
     this.sendCallEvent(peerParticipant.userId, 'ring', session);
-    await this.router.navigate(['/call', session.callId]);
+    await this.openCallView(session.callId);
     return session;
   }
 
@@ -186,6 +204,24 @@ export class DirectCallService {
     this.currentSession.set(session);
   }
 
+  async openCallView(callId: string): Promise<void> {
+    if (this.viewport.isMobile()) {
+      await this.openMobileCallOverlay(callId);
+      return;
+    }
+
+    await this.openCallView(callId);
+  }
+
+  async openMobileCallOverlay(callId: string): Promise<void> {
+    await this.openCall(callId);
+    this.mobileOverlayCallId.set(callId);
+  }
+
+  closeMobileCallOverlay(): void {
+    this.mobileOverlayCallId.set(null);
+  }
+
   async answerIncomingCall(callId: string): Promise<void> {
     const session = this.sessionById(callId);