@corti/dictation-web/dist/controllers/devices-controller.js

Web component for Corti Dictation

var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) {
    if (kind === "m") throw new TypeError("Private method is not writable");
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it");
    return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;
};
var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) {
    if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter");
    if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it");
    return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver);
};
var _DevicesController_instances, _DevicesController_autoLoadedDevices, _DevicesController_loadingDevices, _DevicesController_deviceChangeHandler, _DevicesController_initialized, _DevicesController_setupDeviceChangeListener, _DevicesController_removeDeviceChangeListener, _DevicesController_loadDevices;
import { getAudioDevices } from "../utils/devices.js";
import { errorEvent, readyEvent, recordingDevicesChangedEvent, } from "../utils/events.js";
/**
 * Controller that manages automatic device loading.
 * Loads devices when they're not present and handles device changes.
 * Reacts to updates and automatically loads devices when needed.
 */
export class DevicesController {
    constructor(host) {
        _DevicesController_instances.add(this);
        _DevicesController_autoLoadedDevices.set(this, false);
        _DevicesController_loadingDevices.set(this, false);
        _DevicesController_deviceChangeHandler.set(this, void 0);
        _DevicesController_initialized.set(this, false);
        this.host = host;
        host.addController(this);
    }
    initialize() {
        __classPrivateFieldSet(this, _DevicesController_initialized, true, "f");
        if (this.host.devices === undefined) {
            __classPrivateFieldGet(this, _DevicesController_instances, "m", _DevicesController_loadDevices).call(this);
            __classPrivateFieldGet(this, _DevicesController_instances, "m", _DevicesController_setupDeviceChangeListener).call(this);
        }
    }
    hostDisconnected() {
        __classPrivateFieldGet(this, _DevicesController_instances, "m", _DevicesController_removeDeviceChangeListener).call(this);
    }
    hostUpdate() {
        // Only react to updates after initialization
        if (!__classPrivateFieldGet(this, _DevicesController_initialized, "f")) {
            return;
        }
        // When devices are accessed but not present, load them
        if (this.host.devices === undefined) {
            __classPrivateFieldGet(this, _DevicesController_instances, "m", _DevicesController_loadDevices).call(this);
        }
    }
    /**
     * Clear the auto-loaded flag (when devices are set externally)
     */
    clearAutoLoadedFlag() {
        __classPrivateFieldSet(this, _DevicesController_autoLoadedDevices, false, "f");
    }
}
_DevicesController_autoLoadedDevices = new WeakMap(), _DevicesController_loadingDevices = new WeakMap(), _DevicesController_deviceChangeHandler = new WeakMap(), _DevicesController_initialized = new WeakMap(), _DevicesController_instances = new WeakSet(), _DevicesController_setupDeviceChangeListener = function _DevicesController_setupDeviceChangeListener() {
    if (__classPrivateFieldGet(this, _DevicesController_deviceChangeHandler, "f")) {
        return;
    }
    __classPrivateFieldSet(this, _DevicesController_deviceChangeHandler, () => {
        if (__classPrivateFieldGet(this, _DevicesController_autoLoadedDevices, "f")) {
            __classPrivateFieldGet(this, _DevicesController_instances, "m", _DevicesController_loadDevices).call(this);
        }
    }, "f");
    navigator.mediaDevices.addEventListener("devicechange", __classPrivateFieldGet(this, _DevicesController_deviceChangeHandler, "f"));
}, _DevicesController_removeDeviceChangeListener = function _DevicesController_removeDeviceChangeListener() {
    if (!__classPrivateFieldGet(this, _DevicesController_deviceChangeHandler, "f")) {
        return;
    }
    navigator.mediaDevices.removeEventListener("devicechange", __classPrivateFieldGet(this, _DevicesController_deviceChangeHandler, "f"));
    __classPrivateFieldSet(this, _DevicesController_deviceChangeHandler, undefined, "f");
}, _DevicesController_loadDevices = async function _DevicesController_loadDevices() {
    if (__classPrivateFieldGet(this, _DevicesController_loadingDevices, "f")) {
        return;
    }
    __classPrivateFieldSet(this, _DevicesController_loadingDevices, true, "f");
    try {
        const { devices, defaultDevice } = await getAudioDevices();
        __classPrivateFieldSet(this, _DevicesController_autoLoadedDevices, true, "f");
        this.host._devices = devices;
        // Use selected device if it still exists, otherwise fall back to default
        const previousDevice = this.host.selectedDevice;
        const selectedDevice = (previousDevice &&
            devices.find((d) => d.deviceId === previousDevice.deviceId)) ??
            defaultDevice;
        this.host.selectedDevice = selectedDevice;
        this.host.requestUpdate();
        this.host.dispatchEvent(recordingDevicesChangedEvent(devices, selectedDevice));
        this.host.dispatchEvent(readyEvent());
    }
    catch (error) {
        this.host.dispatchEvent(errorEvent(error));
    }
    finally {
        __classPrivateFieldSet(this, _DevicesController_loadingDevices, false, "f");
    }
};
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