fix: Improve plugin ui entry points, Fix chat scroll, fix notifications, fix user rights

toju-app/src/app/domains/plugins/feature/plugin-action-menu/plugin-action-menu.service.ts

@@ -0,0 +1,139 @@
+import {
+  ElementRef,
+  Injectable,
+  inject
+} from '@angular/core';
+import {
+  ConnectedPosition,
+  Overlay,
+  OverlayRef
+} from '@angular/cdk/overlay';
+import { ComponentPortal } from '@angular/cdk/portal';
+import {
+  Subscription,
+  filter,
+  fromEvent
+} from 'rxjs';
+import { PluginActionMenuComponent } from './plugin-action-menu.component';
+
+const GAP = 10;
+const VIEWPORT_MARGIN = 8;
+const POSITIONS: ConnectedPosition[] = [
+  { originX: 'end', originY: 'top', overlayX: 'start', overlayY: 'top', offsetX: GAP },
+  { originX: 'end', originY: 'bottom', overlayX: 'start', overlayY: 'bottom', offsetX: GAP },
+  { originX: 'start', originY: 'top', overlayX: 'end', overlayY: 'top', offsetX: -GAP },
+  { originX: 'start', originY: 'bottom', overlayX: 'end', overlayY: 'bottom', offsetX: -GAP }
+];
+
+@Injectable({ providedIn: 'root' })
+export class PluginActionMenuService {
+  private readonly overlay = inject(Overlay);
+  private currentOrigin: HTMLElement | null = null;
+  private overlayRef: OverlayRef | null = null;
+  private overlaySubscriptions: Subscription | null = null;
+  private scrollBlocker: (() => void) | null = null;
+
+  open(origin: ElementRef | HTMLElement): void {
+    const rawEl = origin instanceof ElementRef ? origin.nativeElement : origin;
+
+    if (this.overlayRef) {
+      const sameOrigin = rawEl === this.currentOrigin;
+
+      this.close();
+
+      if (sameOrigin) {
+        return;
+      }
+    }
+
+    const elementRef = origin instanceof ElementRef ? origin : new ElementRef(origin);
+
+    this.currentOrigin = rawEl;
+
+    const positionStrategy = this.overlay
+      .position()
+      .flexibleConnectedTo(elementRef)
+      .withPositions(POSITIONS)
+      .withViewportMargin(VIEWPORT_MARGIN)
+      .withPush(true);
+
+    this.overlayRef = this.overlay.create({
+      positionStrategy,
+      scrollStrategy: this.overlay.scrollStrategies.noop()
+    });
+
+    this.syncThemeVars();
+
+    const componentRef = this.overlayRef.attach(new ComponentPortal(PluginActionMenuComponent));
+    const subscriptions = new Subscription();
+
+    subscriptions.add(componentRef.instance.closed.subscribe(() => this.close()));
+    subscriptions.add(fromEvent<PointerEvent>(document, 'pointerdown')
+      .pipe(
+        filter((event) => {
+          const target = event.target as Node;
+
+          if (this.overlayRef?.overlayElement.contains(target)) {
+            return false;
+          }
+
+          if (this.currentOrigin?.contains(target)) {
+            return false;
+          }
+
+          return true;
+        })
+      )
+      .subscribe(() => this.close()));
+
+    this.overlaySubscriptions = subscriptions;
+    this.blockScroll();
+  }
+
+  close(): void {
+    this.scrollBlocker?.();
+    this.scrollBlocker = null;
+    this.overlaySubscriptions?.unsubscribe();
+    this.overlaySubscriptions = null;
+
+    if (this.overlayRef) {
+      this.overlayRef.dispose();
+      this.overlayRef = null;
+      this.currentOrigin = null;
+    }
+  }
+
+  private blockScroll(): void {
+    const handler = (event: Event): void => {
+      if (this.overlayRef?.overlayElement.contains(event.target as Node)) {
+        return;
+      }
+
+      event.preventDefault();
+    };
+    const opts: AddEventListenerOptions = { passive: false, capture: true };
+
+    document.addEventListener('wheel', handler, opts);
+    document.addEventListener('touchmove', handler, opts);
+
+    this.scrollBlocker = () => {
+      document.removeEventListener('wheel', handler, opts);
+      document.removeEventListener('touchmove', handler, opts);
+    };
+  }
+
+  private syncThemeVars(): void {
+    const appRoot = document.querySelector<HTMLElement>('[data-theme-key="appRoot"]');
+    const container = document.querySelector<HTMLElement>('.cdk-overlay-container');
+
+    if (!appRoot || !container) {
+      return;
+    }
+
+    for (const prop of Array.from(appRoot.style)) {
+      if (prop.startsWith('--')) {
+        container.style.setProperty(prop, appRoot.style.getPropertyValue(prop));
+      }
+    }
+  }
+}