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'use strict';
/**
* Waits until the document has finished loading.
* @returns {Promise<void>} Resolves if the document is already completely
* loaded or when the 'onload' event is fired.
*/
function waitForDocumentReady() {
return new Promise(resolve => {
if (document.readyState === 'complete') {
resolve();
}
window.addEventListener('load', () => {
resolve();
}, {once: true});
});
}
/**
* Simulates a user activation prior to running |callback|.
* @param {Function} callback The function to run after the user activation.
* @returns {Promise<*>} Resolves when the user activation has been simulated
* with the result of |callback|.
*/
async function callWithTrustedClick(callback) {
await waitForDocumentReady();
return new Promise(resolve => {
let button = document.createElement('button');
button.textContent = 'click to continue test';
button.style.display = 'block';
button.style.fontSize = '20px';
button.style.padding = '10px';
button.onclick = () => {
document.body.removeChild(button);
resolve(callback());
};
document.body.appendChild(button);
test_driver.click(button);
});
}
/**
* Register a one-time handler that selects the first device in the device
* prompt upon a device prompt updated event.
* @returns {Promise} fulfilled after the bluetooth device prompt
* is handled, or rejected if the operation fails.
*/
function selectFirstDeviceOnDevicePromptUpdated() {
return test_driver.bidi.bluetooth.request_device_prompt_updated.once().then(
(promptEvent) => {
assert_greater_than_equal(promptEvent.devices.length, 0);
return test_driver.bidi.bluetooth.handle_request_device_prompt({
prompt: promptEvent.prompt,
accept: true,
device: promptEvent.devices[0].id
});
});
}
/**
* Calls requestDevice() in a context that's 'allowed to show a popup'.
* @returns {Promise<BluetoothDevice>} Resolves with a Bluetooth device if
* successful or rejects with an error.
*/
function requestDeviceWithTrustedClick(...args) {
return callWithTrustedClick(
() => navigator.bluetooth.requestDevice(...args));
}