"use strict";
/**
* @license
* Copyright 2022 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.DeviceRequestPromptManager = exports.DeviceRequestPrompt = exports.DeviceRequestPromptDevice = void 0;
const assert_js_1 = require("../util/assert.js");
const Deferred_js_1 = require("../util/Deferred.js");
/**
* Device in a request prompt.
*
* @public
*/
class DeviceRequestPromptDevice {
/**
* Device id during a prompt.
*/
id;
/**
* Device name as it appears in a prompt.
*/
name;
/**
* @internal
*/
constructor(id, name) {
this.id = id;
this.name = name;
}
}
exports.DeviceRequestPromptDevice = DeviceRequestPromptDevice;
/**
* Device request prompts let you respond to the page requesting for a device
* through an API like WebBluetooth.
*
* @remarks
* `DeviceRequestPrompt` instances are returned via the
* {@link Page.waitForDevicePrompt} method.
*
* @example
*
* ```ts
* const [devicePrompt] = Promise.all([
* page.waitForDevicePrompt(),
* page.click('#connect-bluetooth'),
* ]);
* await devicePrompt.select(
* await devicePrompt.waitForDevice(({name}) => name.includes('My Device'))
* );
* ```
*
* @public
*/
class DeviceRequestPrompt {
#client;
#timeoutSettings;
#id;
#handled = false;
#updateDevicesHandle = this.#updateDevices.bind(this);
#waitForDevicePromises = new Set();
/**
* Current list of selectable devices.
*/
devices = [];
/**
* @internal
*/
constructor(client, timeoutSettings, firstEvent) {
this.#client = client;
this.#timeoutSettings = timeoutSettings;
this.#id = firstEvent.id;
this.#client.on('DeviceAccess.deviceRequestPrompted', this.#updateDevicesHandle);
this.#client.on('Target.detachedFromTarget', () => {
this.#client = null;
});
this.#updateDevices(firstEvent);
}
#updateDevices(event) {
if (event.id !== this.#id) {
return;
}
for (const rawDevice of event.devices) {
if (this.devices.some(device => {
return device.id === rawDevice.id;
})) {
continue;
}
const newDevice = new DeviceRequestPromptDevice(rawDevice.id, rawDevice.name);
this.devices.push(newDevice);
for (const waitForDevicePromise of this.#waitForDevicePromises) {
if (waitForDevicePromise.filter(newDevice)) {
waitForDevicePromise.promise.resolve(newDevice);
}
}
}
}
/**
* Resolve to the first device in the prompt matching a filter.
*/
async waitForDevice(filter, options = {}) {
for (const device of this.devices) {
if (filter(device)) {
return device;
}
}
const { timeout = this.#timeoutSettings.timeout() } = options;
const deferred = Deferred_js_1.Deferred.create({
message: `Waiting for \`DeviceRequestPromptDevice\` failed: ${timeout}ms exceeded`,
timeout,
});
if (options.signal) {
options.signal.addEventListener('abort', () => {
deferred.reject(options.signal?.reason);
}, { once: true });
}
const handle = { filter, promise: deferred };
this.#waitForDevicePromises.add(handle);
try {
return await deferred.valueOrThrow();
}
finally {
this.#waitForDevicePromises.delete(handle);
}
}
/**
* Select a device in the prompt's list.
*/
async select(device) {
(0, assert_js_1.assert)(this.#client !== null, 'Cannot select device through detached session!');
(0, assert_js_1.assert)(this.devices.includes(device), 'Cannot select unknown device!');
(0, assert_js_1.assert)(!this.#handled, 'Cannot select DeviceRequestPrompt which is already handled!');
this.#client.off('DeviceAccess.deviceRequestPrompted', this.#updateDevicesHandle);
this.#handled = true;
return await this.#client.send('DeviceAccess.selectPrompt', {
id: this.#id,
deviceId: device.id,
});
}
/**
* Cancel the prompt.
*/
async cancel() {
(0, assert_js_1.assert)(this.#client !== null, 'Cannot cancel prompt through detached session!');
(0, assert_js_1.assert)(!this.#handled, 'Cannot cancel DeviceRequestPrompt which is already handled!');
this.#client.off('DeviceAccess.deviceRequestPrompted', this.#updateDevicesHandle);
this.#handled = true;
return await this.#client.send('DeviceAccess.cancelPrompt', { id: this.#id });
}
}
exports.DeviceRequestPrompt = DeviceRequestPrompt;
/**
* @internal
*/
class DeviceRequestPromptManager {
#client;
#timeoutSettings;
#deviceRequestPrompDeferreds = new Set();
/**
* @internal
*/
constructor(client, timeoutSettings) {
this.#client = client;
this.#timeoutSettings = timeoutSettings;
this.#client.on('DeviceAccess.deviceRequestPrompted', event => {
this.#onDeviceRequestPrompted(event);
});
this.#client.on('Target.detachedFromTarget', () => {
this.#client = null;
});
}
/**
* Wait for device prompt created by an action like calling WebBluetooth's
* requestDevice.
*/
async waitForDevicePrompt(options = {}) {
(0, assert_js_1.assert)(this.#client !== null, 'Cannot wait for device prompt through detached session!');
const needsEnable = this.#deviceRequestPrompDeferreds.size === 0;
let enablePromise;
if (needsEnable) {
enablePromise = this.#client.send('DeviceAccess.enable');
}
const { timeout = this.#timeoutSettings.timeout() } = options;
const deferred = Deferred_js_1.Deferred.create({
message: `Waiting for \`DeviceRequestPrompt\` failed: ${timeout}ms exceeded`,
timeout,
});
if (options.signal) {
options.signal.addEventListener('abort', () => {
deferred.reject(options.signal?.reason);
}, { once: true });
}
this.#deviceRequestPrompDeferreds.add(deferred);
try {
const [result] = await Promise.all([
deferred.valueOrThrow(),
enablePromise,
]);
return result;
}
finally {
this.#deviceRequestPrompDeferreds.delete(deferred);
}
}
/**
* @internal
*/
#onDeviceRequestPrompted(event) {
if (!this.#deviceRequestPrompDeferreds.size) {
return;
}
(0, assert_js_1.assert)(this.#client !== null);
const devicePrompt = new DeviceRequestPrompt(this.#client, this.#timeoutSettings, event);
for (const promise of this.#deviceRequestPrompDeferreds) {
promise.resolve(devicePrompt);
}
this.#deviceRequestPrompDeferreds.clear();
}
}
exports.DeviceRequestPromptManager = DeviceRequestPromptManager;
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