| Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" }); |
| const require_subscribable = require("./subscribable.cjs"); |
| |
| var FocusManager = class extends require_subscribable.Subscribable { |
| #focused; |
| #cleanup; |
| #setup; |
| constructor() { |
| super(); |
| this.#setup = (onFocus) => { |
| if (typeof window !== "undefined" && window.addEventListener) { |
| const listener = () => onFocus(); |
| window.addEventListener("visibilitychange", listener, false); |
| return () => { |
| window.removeEventListener("visibilitychange", listener); |
| }; |
| } |
| }; |
| } |
| onSubscribe() { |
| if (!this.#cleanup) this.setEventListener(this.#setup); |
| } |
| onUnsubscribe() { |
| if (!this.hasListeners()) { |
| this.#cleanup?.(); |
| this.#cleanup = void 0; |
| } |
| } |
| setEventListener(setup) { |
| this.#setup = setup; |
| this.#cleanup?.(); |
| this.#cleanup = setup((focused) => { |
| if (typeof focused === "boolean") this.setFocused(focused); |
| else this.onFocus(); |
| }); |
| } |
| setFocused(focused) { |
| if (this.#focused !== focused) { |
| this.#focused = focused; |
| this.onFocus(); |
| } |
| } |
| onFocus() { |
| const isFocused = this.isFocused(); |
| this.listeners.forEach((listener) => { |
| listener(isFocused); |
| }); |
| } |
| isFocused() { |
| if (typeof this.#focused === "boolean") return this.#focused; |
| return globalThis.document?.visibilityState !== "hidden"; |
| } |
| }; |
| const focusManager = new FocusManager(); |
| |
| exports.FocusManager = FocusManager; |
| exports.focusManager = focusManager; |
|
|
| |
