script/dom/bluetooth/
bluetoothpermissionresult.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::rc::Rc;
6
7use base::generic_channel::GenericSender;
8use bluetooth_traits::{BluetoothRequest, BluetoothResponse};
9use dom_struct::dom_struct;
10
11use crate::dom::bindings::cell::DomRefCell;
12use crate::dom::bindings::codegen::Bindings::BluetoothPermissionResultBinding::BluetoothPermissionResultMethods;
13use crate::dom::bindings::codegen::Bindings::NavigatorBinding::Navigator_Binding::NavigatorMethods;
14use crate::dom::bindings::codegen::Bindings::PermissionStatusBinding::PermissionStatus_Binding::PermissionStatusMethods;
15use crate::dom::bindings::codegen::Bindings::PermissionStatusBinding::{
16    PermissionName, PermissionState,
17};
18use crate::dom::bindings::codegen::Bindings::WindowBinding::Window_Binding::WindowMethods;
19use crate::dom::bindings::error::Error;
20use crate::dom::bindings::reflector::{DomGlobal, reflect_dom_object};
21use crate::dom::bindings::root::{Dom, DomRoot};
22use crate::dom::bindings::str::DOMString;
23use crate::dom::bluetooth::{AllowedBluetoothDevice, AsyncBluetoothListener, Bluetooth};
24use crate::dom::bluetoothdevice::BluetoothDevice;
25use crate::dom::globalscope::GlobalScope;
26use crate::dom::permissionstatus::PermissionStatus;
27use crate::dom::promise::Promise;
28use crate::script_runtime::CanGc;
29
30// https://webbluetoothcg.github.io/web-bluetooth/#bluetoothpermissionresult
31#[dom_struct]
32pub(crate) struct BluetoothPermissionResult {
33    status: PermissionStatus,
34    devices: DomRefCell<Vec<Dom<BluetoothDevice>>>,
35}
36
37impl BluetoothPermissionResult {
38    #[cfg_attr(crown, expect(crown::unrooted_must_root))]
39    fn new_inherited(status: &PermissionStatus) -> BluetoothPermissionResult {
40        let result = BluetoothPermissionResult {
41            status: PermissionStatus::new_inherited(status.get_query()),
42            devices: DomRefCell::new(Vec::new()),
43        };
44        result.status.set_state(status.State());
45        result
46    }
47
48    pub(crate) fn new(
49        cx: &mut js::context::JSContext,
50        global: &GlobalScope,
51        status: &PermissionStatus,
52    ) -> DomRoot<BluetoothPermissionResult> {
53        reflect_dom_object(
54            Box::new(BluetoothPermissionResult::new_inherited(status)),
55            global,
56            CanGc::from_cx(cx),
57        )
58    }
59
60    pub(crate) fn get_bluetooth(&self) -> DomRoot<Bluetooth> {
61        self.global().as_window().Navigator().Bluetooth()
62    }
63
64    pub(crate) fn get_bluetooth_thread(&self) -> GenericSender<BluetoothRequest> {
65        self.global().as_window().bluetooth_thread()
66    }
67
68    pub(crate) fn get_query(&self) -> PermissionName {
69        self.status.get_query()
70    }
71
72    pub(crate) fn set_state(&self, state: PermissionState) {
73        self.status.set_state(state)
74    }
75
76    pub(crate) fn get_state(&self) -> PermissionState {
77        self.status.State()
78    }
79
80    #[cfg_attr(crown, expect(crown::unrooted_must_root))]
81    pub(crate) fn set_devices(&self, devices: Vec<Dom<BluetoothDevice>>) {
82        *self.devices.borrow_mut() = devices;
83    }
84}
85
86impl BluetoothPermissionResultMethods<crate::DomTypeHolder> for BluetoothPermissionResult {
87    /// <https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothpermissionresult-devices>
88    fn Devices(&self) -> Vec<DomRoot<BluetoothDevice>> {
89        let device_vec: Vec<DomRoot<BluetoothDevice>> = self
90            .devices
91            .borrow()
92            .iter()
93            .map(|d| DomRoot::from_ref(&**d))
94            .collect();
95        device_vec
96    }
97}
98
99impl AsyncBluetoothListener for BluetoothPermissionResult {
100    fn handle_response(
101        &self,
102        cx: &mut js::context::JSContext,
103        response: BluetoothResponse,
104        promise: &Rc<Promise>,
105    ) {
106        match response {
107            // https://webbluetoothcg.github.io/web-bluetooth/#request-bluetooth-devices
108            // Step 3, 11, 13 - 14.
109            BluetoothResponse::RequestDevice(device) => {
110                self.set_state(PermissionState::Granted);
111                let bluetooth = self.get_bluetooth();
112                let mut device_instance_map = bluetooth.get_device_map().borrow_mut();
113                if let Some(existing_device) = device_instance_map.get(&device.id) {
114                    // https://webbluetoothcg.github.io/web-bluetooth/#request-the-bluetooth-permission
115                    // Step 3.
116                    self.set_devices(vec![Dom::from_ref(existing_device)]);
117
118                    // https://w3c.github.io/permissions/#dom-permissions-request
119                    // Step 8.
120                    return promise.resolve_native(self, CanGc::from_cx(cx));
121                }
122                let bt_device = BluetoothDevice::new(
123                    cx,
124                    &self.global(),
125                    DOMString::from(device.id.clone()),
126                    device.name.map(DOMString::from),
127                    &bluetooth,
128                );
129                device_instance_map.insert(device.id.clone(), Dom::from_ref(&bt_device));
130                self.global()
131                    .as_window()
132                    .bluetooth_extra_permission_data()
133                    .add_new_allowed_device(AllowedBluetoothDevice {
134                        deviceId: DOMString::from(device.id),
135                        mayUseGATT: true,
136                    });
137                // https://webbluetoothcg.github.io/web-bluetooth/#request-the-bluetooth-permission
138                // Step 3.
139                self.set_devices(vec![Dom::from_ref(&bt_device)]);
140
141                // https://w3c.github.io/permissions/#dom-permissions-request
142                // Step 8.
143                promise.resolve_native(self, CanGc::from_cx(cx));
144            },
145            _ => promise.reject_error(
146                Error::Type(c"Something went wrong...".to_owned()),
147                CanGc::from_cx(cx),
148            ),
149        }
150    }
151}