Method constructor

src/material/dialog/dialog-ref.ts:67–117

(
    private _ref: DialogRef<R, T>,
    private _config: MatDialogConfig,
    public _containerInstance: MatDialogContainer,
  )

  private _closeInteractionType: FocusOrigin | undefined;

  constructor(
    private _ref: DialogRef<R, T>,
    private _config: MatDialogConfig,
    public _containerInstance: MatDialogContainer,
  ) {
    this.disableClose = _config.disableClose;
    this.id = _ref.id;

    // Used to target panels specifically tied to dialogs.
    _ref.addPanelClass('mat-mdc-dialog-panel');

    // Emit when opening animation completes
    _containerInstance._animationStateChanged
      .pipe(
        filter(event => event.state === 'opened'),
        take(1),
      )
      .subscribe(() => {
        this._afterOpened.next();
        this._afterOpened.complete();
      });

    // Dispose overlay when closing animation is complete
    _containerInstance._animationStateChanged
      .pipe(
        filter(event => event.state === 'closed'),
        take(1),
      )
      .subscribe(() => {
        clearTimeout(this._closeFallbackTimeout);
        this._finishDialogClose();
      });

    _ref.overlayRef.detachments().subscribe(() => {
      this._beforeClosed.next(this._result);
      this._beforeClosed.complete();
      this._finishDialogClose();
    });

    merge(
      this.backdropClick(),
      this.keydownEvents().pipe(
        filter(event => event.keyCode === ESCAPE && !this.disableClose && !hasModifierKey(event)),
      ),
    ).subscribe(event => {
      if (!this.disableClose) {
        event.preventDefault();
        _closeDialogVia(this, event.type === 'keydown' ? 'keyboard' : 'mouse');
      }
    });
  }

  /**
   * Close the dialog.