script/dom/bluetooth/
bluetoothremotegattserver.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use std::cell::Cell;
6use std::rc::Rc;
7
8use bluetooth_traits::{BluetoothRequest, BluetoothResponse, GATTType};
9use dom_struct::dom_struct;
10use ipc_channel::ipc::IpcSender;
11
12use crate::dom::bindings::codegen::Bindings::BluetoothDeviceBinding::BluetoothDeviceMethods;
13use crate::dom::bindings::codegen::Bindings::BluetoothRemoteGATTServerBinding::BluetoothRemoteGATTServerMethods;
14use crate::dom::bindings::error::{Error, ErrorResult};
15use crate::dom::bindings::reflector::{DomGlobal, Reflector, reflect_dom_object};
16use crate::dom::bindings::root::{Dom, DomRoot};
17use crate::dom::bluetooth::{AsyncBluetoothListener, get_gatt_children, response_async};
18use crate::dom::bluetoothdevice::BluetoothDevice;
19use crate::dom::bluetoothuuid::{BluetoothServiceUUID, BluetoothUUID};
20use crate::dom::globalscope::GlobalScope;
21use crate::dom::promise::Promise;
22use crate::realms::InRealm;
23use crate::script_runtime::CanGc;
24
25// https://webbluetoothcg.github.io/web-bluetooth/#bluetoothremotegattserver
26#[dom_struct]
27pub(crate) struct BluetoothRemoteGATTServer {
28    reflector_: Reflector,
29    device: Dom<BluetoothDevice>,
30    connected: Cell<bool>,
31}
32
33impl BluetoothRemoteGATTServer {
34    pub(crate) fn new_inherited(device: &BluetoothDevice) -> BluetoothRemoteGATTServer {
35        BluetoothRemoteGATTServer {
36            reflector_: Reflector::new(),
37            device: Dom::from_ref(device),
38            connected: Cell::new(false),
39        }
40    }
41
42    pub(crate) fn new(
43        global: &GlobalScope,
44        device: &BluetoothDevice,
45        can_gc: CanGc,
46    ) -> DomRoot<BluetoothRemoteGATTServer> {
47        reflect_dom_object(
48            Box::new(BluetoothRemoteGATTServer::new_inherited(device)),
49            global,
50            can_gc,
51        )
52    }
53
54    fn get_bluetooth_thread(&self) -> IpcSender<BluetoothRequest> {
55        self.global().as_window().bluetooth_thread()
56    }
57
58    pub(crate) fn set_connected(&self, connected: bool) {
59        self.connected.set(connected);
60    }
61}
62
63impl BluetoothRemoteGATTServerMethods<crate::DomTypeHolder> for BluetoothRemoteGATTServer {
64    /// <https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-device>
65    fn Device(&self) -> DomRoot<BluetoothDevice> {
66        DomRoot::from_ref(&self.device)
67    }
68
69    /// <https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-connected>
70    fn Connected(&self) -> bool {
71        self.connected.get()
72    }
73
74    // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-connect
75    fn Connect(&self, comp: InRealm, can_gc: CanGc) -> Rc<Promise> {
76        // Step 1.
77        let p = Promise::new_in_current_realm(comp, can_gc);
78        let sender = response_async(&p, self);
79
80        // TODO: Step 3: Check if the UA is currently using the Bluetooth system.
81
82        // TODO: Step 4: Implement activeAlgorithms internal slot for BluetoothRemoteGATTServer.
83
84        // TODO: Step 5.1 - 5.2: Implement activeAlgorithms internal slot for BluetoothRemoteGATTServer.
85
86        // Note: Steps 2, 5.1.1 and 5.1.3 are in components/bluetooth/lib.rs in the gatt_server_connect function.
87        // Steps 5.2.3 - 5.2.5  are in response function.
88        self.get_bluetooth_thread()
89            .send(BluetoothRequest::GATTServerConnect(
90                String::from(self.Device().Id()),
91                sender,
92            ))
93            .unwrap();
94        // Step 5: return promise.
95        p
96    }
97
98    /// <https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-disconnect>
99    fn Disconnect(&self, can_gc: CanGc) -> ErrorResult {
100        // TODO: Step 1: Implement activeAlgorithms internal slot for BluetoothRemoteGATTServer.
101
102        // Step 2.
103        if !self.Connected() {
104            return Ok(());
105        }
106
107        // Step 3.
108        self.Device().clean_up_disconnected_device(can_gc);
109
110        // Step 4 - 5:
111        self.Device().garbage_collect_the_connection(can_gc)
112    }
113
114    /// <https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-getprimaryservice>
115    fn GetPrimaryService(&self, service: BluetoothServiceUUID, can_gc: CanGc) -> Rc<Promise> {
116        // Step 1 - 2.
117        get_gatt_children(
118            self,
119            true,
120            BluetoothUUID::service,
121            Some(service),
122            String::from(self.Device().Id()),
123            self.Device().get_gatt(can_gc).Connected(),
124            GATTType::PrimaryService,
125            can_gc,
126        )
127    }
128
129    /// <https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-getprimaryservices>
130    fn GetPrimaryServices(
131        &self,
132        service: Option<BluetoothServiceUUID>,
133        can_gc: CanGc,
134    ) -> Rc<Promise> {
135        // Step 1 - 2.
136        get_gatt_children(
137            self,
138            false,
139            BluetoothUUID::service,
140            service,
141            String::from(self.Device().Id()),
142            self.Connected(),
143            GATTType::PrimaryService,
144            can_gc,
145        )
146    }
147}
148
149impl AsyncBluetoothListener for BluetoothRemoteGATTServer {
150    fn handle_response(&self, response: BluetoothResponse, promise: &Rc<Promise>, can_gc: CanGc) {
151        match response {
152            // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-connect
153            BluetoothResponse::GATTServerConnect(connected) => {
154                // Step 5.2.3
155                if self.Device().is_represented_device_null() {
156                    if let Err(e) = self.Device().garbage_collect_the_connection(can_gc) {
157                        return promise.reject_error(e, can_gc);
158                    }
159                    return promise.reject_error(Error::Network, can_gc);
160                }
161
162                // Step 5.2.4.
163                self.connected.set(connected);
164
165                // Step 5.2.5.
166                promise.resolve_native(self, can_gc);
167            },
168            // https://webbluetoothcg.github.io/web-bluetooth/#getgattchildren
169            // Step 7.
170            BluetoothResponse::GetPrimaryServices(services_vec, single) => {
171                let device = self.Device();
172                if single {
173                    promise.resolve_native(
174                        &device.get_or_create_service(&services_vec[0], self, can_gc),
175                        can_gc,
176                    );
177                    return;
178                }
179                let mut services = vec![];
180                for service in services_vec {
181                    let bt_service = device.get_or_create_service(&service, self, can_gc);
182                    services.push(bt_service);
183                }
184                promise.resolve_native(&services, can_gc);
185            },
186            _ => promise.reject_error(Error::Type("Something went wrong...".to_owned()), can_gc),
187        }
188    }
189}
script/dom/bluetooth/bluetoothremotegattserver.rs

script/dom/bluetooth/
bluetoothremotegattserver.rs
