Function _hasAncestorView

packages/core/ui/core/view/view-common.ts:1257–1267

(ancestorView: ViewCommon)

	}

	_hasAncestorView(ancestorView: ViewCommon): boolean {
		const matcher = (view: ViewCommon) => view === ancestorView;

		for (let parent = this.parent; parent != null; parent = parent.parent) {
			if (matcher(<ViewCommon>parent)) {
				return true;
			}
		}

		return false;
	}

	/**
	 * Shared helper method for applying glass effects to views.