src/osc-notify-decorator.ts


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import OscNotifyMiddleware from "./osc-notify-middleware";
import { Injectable } from "@angular/core";
import { TerminalDecorator, BaseSession, BaseTerminalTabComponent } from "tabby-terminal";
import { AppService, HostWindowService } from "tabby-core";

@Injectable()
export default class OscNotifyDecorator extends TerminalDecorator {
	constructor(
		private app: AppService,
		private hostWindow: HostWindowService,
	) {
		super();
	}

	attach(tab: BaseTerminalTabComponent<any>): void {
		// Subscribe to attach to future sessions in this tab
		tab.sessionChanged$.subscribe((session) => {
			if (session) {
				this.attachToSession(session, tab);
			}
		});

		// Attach the current session for this tab
		if (tab.session) {
			this.attachToSession(tab.session, tab);
		}
	}

	private attachToSession(session: BaseSession, tab: BaseTerminalTabComponent<any>) {
		const middleware = new OscNotifyMiddleware(
			() => (<any>tab).title,
			() => {
				this.hostWindow.bringToFront();
				const parent = this.app.getParentTab(tab);
				this.app.selectTab(parent ?? tab);
				parent?.focus(tab);
			},
		);

		session.middleware.push(middleware);
	}
}