Make WebBluetooth an optional feature. (#35479)

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

components/script/dom/bluetooth/bluetoothremotegattserver.rs

@@ -0,0 +1,186 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use std::cell::Cell;
+use std::rc::Rc;
+
+use bluetooth_traits::{BluetoothRequest, BluetoothResponse, GATTType};
+use dom_struct::dom_struct;
+use ipc_channel::ipc::IpcSender;
+
+use crate::dom::bindings::codegen::Bindings::BluetoothDeviceBinding::BluetoothDeviceMethods;
+use crate::dom::bindings::codegen::Bindings::BluetoothRemoteGATTServerBinding::BluetoothRemoteGATTServerMethods;
+use crate::dom::bindings::error::{Error, ErrorResult};
+use crate::dom::bindings::reflector::{reflect_dom_object, DomGlobal, Reflector};
+use crate::dom::bindings::root::{Dom, DomRoot};
+use crate::dom::bluetooth::{get_gatt_children, response_async, AsyncBluetoothListener};
+use crate::dom::bluetoothdevice::BluetoothDevice;
+use crate::dom::bluetoothuuid::{BluetoothServiceUUID, BluetoothUUID};
+use crate::dom::globalscope::GlobalScope;
+use crate::dom::promise::Promise;
+use crate::realms::InRealm;
+use crate::script_runtime::CanGc;
+
+// https://webbluetoothcg.github.io/web-bluetooth/#bluetoothremotegattserver
+#[dom_struct]
+pub(crate) struct BluetoothRemoteGATTServer {
+    reflector_: Reflector,
+    device: Dom<BluetoothDevice>,
+    connected: Cell<bool>,
+}
+
+impl BluetoothRemoteGATTServer {
+    pub(crate) fn new_inherited(device: &BluetoothDevice) -> BluetoothRemoteGATTServer {
+        BluetoothRemoteGATTServer {
+            reflector_: Reflector::new(),
+            device: Dom::from_ref(device),
+            connected: Cell::new(false),
+        }
+    }
+
+    pub(crate) fn new(
+        global: &GlobalScope,
+        device: &BluetoothDevice,
+    ) -> DomRoot<BluetoothRemoteGATTServer> {
+        reflect_dom_object(
+            Box::new(BluetoothRemoteGATTServer::new_inherited(device)),
+            global,
+            CanGc::note(),
+        )
+    }
+
+    fn get_bluetooth_thread(&self) -> IpcSender<BluetoothRequest> {
+        self.global().as_window().bluetooth_thread()
+    }
+
+    pub(crate) fn set_connected(&self, connected: bool) {
+        self.connected.set(connected);
+    }
+}
+
+impl BluetoothRemoteGATTServerMethods<crate::DomTypeHolder> for BluetoothRemoteGATTServer {
+    // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-device
+    fn Device(&self) -> DomRoot<BluetoothDevice> {
+        DomRoot::from_ref(&self.device)
+    }
+
+    // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-connected
+    fn Connected(&self) -> bool {
+        self.connected.get()
+    }
+
+    // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-connect
+    #[allow(unsafe_code)]
+    fn Connect(&self, comp: InRealm, can_gc: CanGc) -> Rc<Promise> {
+        // Step 1.
+        let p = Promise::new_in_current_realm(comp, can_gc);
+        let sender = response_async(&p, self);
+
+        // TODO: Step 3: Check if the UA is currently using the Bluetooth system.
+
+        // TODO: Step 4: Implement activeAlgorithms internal slot for BluetoothRemoteGATTServer.
+
+        // TODO: Step 5.1 - 5.2: Implement activeAlgorithms internal slot for BluetoothRemoteGATTServer.
+
+        // Note: Steps 2, 5.1.1 and 5.1.3 are in components/bluetooth/lib.rs in the gatt_server_connect function.
+        // Steps 5.2.3 - 5.2.5  are in response function.
+        self.get_bluetooth_thread()
+            .send(BluetoothRequest::GATTServerConnect(
+                String::from(self.Device().Id()),
+                sender,
+            ))
+            .unwrap();
+        // Step 5: return promise.
+        p
+    }
+
+    // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-disconnect
+    fn Disconnect(&self, can_gc: CanGc) -> ErrorResult {
+        // TODO: Step 1: Implement activeAlgorithms internal slot for BluetoothRemoteGATTServer.
+
+        // Step 2.
+        if !self.Connected() {
+            return Ok(());
+        }
+
+        // Step 3.
+        self.Device().clean_up_disconnected_device(can_gc);
+
+        // Step 4 - 5:
+        self.Device().garbage_collect_the_connection()
+    }
+
+    // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-getprimaryservice
+    fn GetPrimaryService(&self, service: BluetoothServiceUUID, can_gc: CanGc) -> Rc<Promise> {
+        // Step 1 - 2.
+        get_gatt_children(
+            self,
+            true,
+            BluetoothUUID::service,
+            Some(service),
+            String::from(self.Device().Id()),
+            self.Device().get_gatt().Connected(),
+            GATTType::PrimaryService,
+            can_gc,
+        )
+    }
+
+    // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-getprimaryservices
+    fn GetPrimaryServices(
+        &self,
+        service: Option<BluetoothServiceUUID>,
+        can_gc: CanGc,
+    ) -> Rc<Promise> {
+        // Step 1 - 2.
+        get_gatt_children(
+            self,
+            false,
+            BluetoothUUID::service,
+            service,
+            String::from(self.Device().Id()),
+            self.Connected(),
+            GATTType::PrimaryService,
+            can_gc,
+        )
+    }
+}
+
+impl AsyncBluetoothListener for BluetoothRemoteGATTServer {
+    fn handle_response(&self, response: BluetoothResponse, promise: &Rc<Promise>, _can_gc: CanGc) {
+        match response {
+            // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-connect
+            BluetoothResponse::GATTServerConnect(connected) => {
+                // Step 5.2.3
+                if self.Device().is_represented_device_null() {
+                    if let Err(e) = self.Device().garbage_collect_the_connection() {
+                        return promise.reject_error(e);
+                    }
+                    return promise.reject_error(Error::Network);
+                }
+
+                // Step 5.2.4.
+                self.connected.set(connected);
+
+                // Step 5.2.5.
+                promise.resolve_native(self);
+            },
+            // https://webbluetoothcg.github.io/web-bluetooth/#getgattchildren
+            // Step 7.
+            BluetoothResponse::GetPrimaryServices(services_vec, single) => {
+                let device = self.Device();
+                if single {
+                    promise.resolve_native(&device.get_or_create_service(&services_vec[0], self));
+                    return;
+                }
+                let mut services = vec![];
+                for service in services_vec {
+                    let bt_service = device.get_or_create_service(&service, self);
+                    services.push(bt_service);
+                }
+                promise.resolve_native(&services);
+            },
+            _ => promise.reject_error(Error::Type("Something went wrong...".to_owned())),
+        }
+    }
+}