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'use strict'
// Convert `manufacturerData` to an array of bluetooth.BluetoothManufacturerData
// defined in
function convertToBidiManufacturerData(manufacturerData) {
const bidiManufacturerData = [];
for (const key in manufacturerData) {
bidiManufacturerData.push(
{key: parseInt(key), data: btoa(manufacturerData[key].buffer)})
}
return bidiManufacturerData;
}
class FakeBluetooth {
constructor() {
this.fake_central_ = null;
}
// Returns a promise that resolves with a FakeCentral that clients can use
// to simulate events that a device in the Central/Observer role would
// receive as well as monitor the operations performed by the device in the
// Central/Observer role.
//
// A "Central" object would allow its clients to receive advertising events
// and initiate connections to peripherals i.e. operations of two roles
// defined by the Bluetooth Spec: Observer and Central.
// See Bluetooth 4.2 Vol 3 Part C 2.2.2 "Roles when Operating over an
// LE Physical Transport".
async simulateCentral({state}) {
if (this.fake_central_) {
throw 'simulateCentral() should only be called once';
}
await test_driver.bidi.bluetooth.simulate_adapter({state: state});
this.fake_central_ = new FakeCentral();
return this.fake_central_;
}
}
// FakeCentral allows clients to simulate events that a device in the
// Central/Observer role would receive as well as monitor the operations
// performed by the device in the Central/Observer role.
class FakeCentral {
constructor() {
this.peripherals_ = new Map();
}
// Simulates a peripheral with |address|, |name|, |manufacturerData| and
// |known_service_uuids| that has already been connected to the system. If the
// peripheral existed already it updates its name, manufacturer data, and
// known UUIDs. |known_service_uuids| should be an array of
// BluetoothServiceUUIDs
//
// Platforms offer methods to retrieve devices that have already been
// connected to the system or weren't connected through the UA e.g. a user
// connected a peripheral through the system's settings. This method is
// intended to simulate peripherals that those methods would return.
async simulatePreconnectedPeripheral(
{address, name, manufacturerData = {}, knownServiceUUIDs = []}) {
await test_driver.bidi.bluetooth.simulate_preconnected_peripheral({
address: address,
name: name,
manufacturerData: convertToBidiManufacturerData(manufacturerData),
knownServiceUuids: knownServiceUUIDs
});
return this.fetchOrCreatePeripheral_(address);
}
// Create a fake_peripheral object from the given address.
fetchOrCreatePeripheral_(address) {
let peripheral = this.peripherals_.get(address);
if (peripheral === undefined) {
peripheral = new FakePeripheral(address);
this.peripherals_.set(address, peripheral);
}
return peripheral;
}
}
class FakePeripheral {
constructor(address) {
this.address = address;
}
}
function initializeBluetoothBidiResources() {
navigator.bluetooth.test = new FakeBluetooth();
}