Class FrameManager

packages/renderer/src/browser/FrameManager.ts:64–536

};

export class FrameManager extends EventEmitter {
	#page: Page;
	#networkManager: NetworkManager;
	#frames = new Map<string, Frame>();
	#contextIdToContext = new Map<string, ExecutionContext>();
	#isolatedWorlds = new Set<string>();
	#mainFrame?: Frame;
	#client: CDPSession;

	get _client(): CDPSession {
		return this.#client;
	}

	constructor(
		client: CDPSession,
		page: Page,
		indent: boolean,
		logLevel: LogLevel,
	) {
		super();
		this.#client = client;
		this.#page = page;
		this.#networkManager = new NetworkManager(client, this, indent, logLevel);
		this.setupEventListeners(this.#client);
	}

	private setupEventListeners(session: CDPSession) {
		session.on('Page.frameAttached', (event) => {
			this.#onFrameAttached(session, event.frameId, event.parentFrameId);
		});
		session.on('Page.frameNavigated', (event) => {
			this.#onFrameNavigated(event.frame);
		});
		session.on('Page.navigatedWithinDocument', (event) => {
			this.#onFrameNavigatedWithinDocument(event.frameId, event.url);
		});
		session.on('Page.frameDetached', (event: FrameDetachedEvent) => {
			this.#onFrameDetached(
				event.frameId,
				event.reason as FrameDetachedEventReason,
			);
		});
		session.on('Page.frameStartedLoading', (event) => {
			this.#onFrameStartedLoading(event.frameId);
		});
		session.on('Page.frameStoppedLoading', (event) => {
			this.#onFrameStoppedLoading(event.frameId);
		});
		session.on('Runtime.executionContextCreated', (event) => {
			this.#onExecutionContextCreated(event.context, session);
		});
		session.on('Runtime.executionContextDestroyed', (event) => {
			this.#onExecutionContextDestroyed(event.executionContextId, session);
		});
		session.on('Runtime.executionContextsCleared', () => {
			this.#onExecutionContextsCleared(session);
		});
		session.on('Page.lifecycleEvent', (event) => {