Auto merge of #14276 - szeged:notify, r=jdm

Add Start/Stop notifications

Add support for Start and Stop Notifications for WebBluetooth

---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] There are tests for these changes

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This commit is contained in:
bors-servo 2016-11-23 03:22:43 -08:00 committed by GitHub
commit c4b7cc863e
18 changed files with 364 additions and 4 deletions

View file

@ -275,6 +275,9 @@ impl BluetoothManager {
BluetoothRequest::WriteValue(id, value, sender) => {
self.write_value(id, value, sender)
},
BluetoothRequest::EnableNotification(id, enable, sender) => {
self.enable_notification(id, enable, sender)
},
BluetoothRequest::Test(data_set_name, sender) => {
self.test(data_set_name, sender)
}
@ -977,4 +980,25 @@ impl BluetoothManager {
None => return drop(sender.send(Err(BluetoothError::InvalidState))),
}
}
// https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattcharacteristic-startnotifications
fn enable_notification(&mut self, id: String, enable: bool, sender: IpcSender<BluetoothResponseResult>) {
let mut adapter = get_adapter_or_return_error!(self, sender);
match self.get_gatt_characteristic(&mut adapter, &id) {
Some(c) => {
let result = match enable {
true => c.start_notify(),
false => c.stop_notify(),
};
match result {
// Step 11.
Ok(_) => return drop(sender.send(Ok(BluetoothResponse::EnableNotification(())))),
// Step 4.
Err(_) => return drop(sender.send(Err(BluetoothError::NotSupported))),
}
},
// Step 3.
None => return drop(sender.send(Err(BluetoothError::InvalidState))),
}
}
}

View file

@ -18,6 +18,7 @@ const ADAPTER_ERROR: &'static str = "No adapter found";
const WRONG_DATA_SET_ERROR: &'static str = "Wrong data set name was provided";
const READ_FLAG: &'static str = "read";
const WRITE_FLAG: &'static str = "write";
const NOTIFY_FLAG: &'static str = "notify";
// Adapter names
// https://cs.chromium.org/chromium/src/content/shell/browser/layout_test/layout_test_bluetooth_adapter_provider.h?l=65
@ -217,10 +218,11 @@ fn create_heart_rate_service(device: &BluetoothDevice,
}
// Heart Rate Measurement Characteristic
let _heart_rate_measurement_characteristic =
let heart_rate_measurement_characteristic =
try!(create_characteristic_with_value(&heart_rate_service,
HEART_RATE_MEASUREMENT_CHARACTERISTIC_UUID.to_owned(),
vec![0]));
try!(heart_rate_measurement_characteristic.set_flags(vec![NOTIFY_FLAG.to_string()]));
// Body Sensor Location Characteristic 1
let body_sensor_location_characteristic_1 =
@ -357,10 +359,11 @@ fn create_two_heart_rate_services_device(adapter: &BluetoothAdapter) -> Result<(
let heart_rate_service_empty_2 = try!(create_heart_rate_service(&heart_rate_device_empty, true));
let _heart_rate_measurement_characteristic =
let heart_rate_measurement_characteristic =
try!(create_characteristic_with_value(&heart_rate_service_empty_1,
HEART_RATE_MEASUREMENT_CHARACTERISTIC_UUID.to_owned(),
vec![0]));
try!(heart_rate_measurement_characteristic.set_flags(vec![NOTIFY_FLAG.to_string()]));
let _body_sensor_location_characteristic_1 =
try!(create_characteristic_with_value(&heart_rate_service_empty_1,