Make WebBluetooth an optional feature. (#35479)

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

1 files changed, 141 insertions, 0 deletions

diff --git a/components/script/dom/bluetooth/bluetoothpermissionresult.rs b/components/script/dom/bluetooth/bluetoothpermissionresult.rs
new file mode 100644
index 00000000000..d5d0e521262
--- /dev/null
+++ b/components/script/dom/bluetooth/bluetoothpermissionresult.rs
@@ -0,0 +1,141 @@
+/* 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::rc::Rc;
+
+use bluetooth_traits::{BluetoothRequest, BluetoothResponse};
+use dom_struct::dom_struct;
+use ipc_channel::ipc::IpcSender;
+
+use crate::dom::bindings::cell::DomRefCell;
+use crate::dom::bindings::codegen::Bindings::BluetoothPermissionResultBinding::BluetoothPermissionResultMethods;
+use crate::dom::bindings::codegen::Bindings::NavigatorBinding::Navigator_Binding::NavigatorMethods;
+use crate::dom::bindings::codegen::Bindings::PermissionStatusBinding::PermissionStatus_Binding::PermissionStatusMethods;
+use crate::dom::bindings::codegen::Bindings::PermissionStatusBinding::{
+    PermissionName, PermissionState,
+};
+use crate::dom::bindings::codegen::Bindings::WindowBinding::Window_Binding::WindowMethods;
+use crate::dom::bindings::error::Error;
+use crate::dom::bindings::reflector::{reflect_dom_object, DomGlobal};
+use crate::dom::bindings::root::{Dom, DomRoot};
+use crate::dom::bindings::str::DOMString;
+use crate::dom::bluetooth::{AllowedBluetoothDevice, AsyncBluetoothListener, Bluetooth};
+use crate::dom::bluetoothdevice::BluetoothDevice;
+use crate::dom::globalscope::GlobalScope;
+use crate::dom::permissionstatus::PermissionStatus;
+use crate::dom::promise::Promise;
+use crate::script_runtime::CanGc;
+
+// https://webbluetoothcg.github.io/web-bluetooth/#bluetoothpermissionresult
+#[dom_struct]
+pub(crate) struct BluetoothPermissionResult {
+    status: PermissionStatus,
+    devices: DomRefCell<Vec<Dom<BluetoothDevice>>>,
+}
+
+impl BluetoothPermissionResult {
+    #[cfg_attr(crown, allow(crown::unrooted_must_root))]
+    fn new_inherited(status: &PermissionStatus) -> BluetoothPermissionResult {
+        let result = BluetoothPermissionResult {
+            status: PermissionStatus::new_inherited(status.get_query()),
+            devices: DomRefCell::new(Vec::new()),
+        };
+        result.status.set_state(status.State());
+        result
+    }
+
+    pub(crate) fn new(
+        global: &GlobalScope,
+        status: &PermissionStatus,
+    ) -> DomRoot<BluetoothPermissionResult> {
+        reflect_dom_object(
+            Box::new(BluetoothPermissionResult::new_inherited(status)),
+            global,
+            CanGc::note(),
+        )
+    }
+
+    pub(crate) fn get_bluetooth(&self) -> DomRoot<Bluetooth> {
+        self.global().as_window().Navigator().Bluetooth()
+    }
+
+    pub(crate) fn get_bluetooth_thread(&self) -> IpcSender<BluetoothRequest> {
+        self.global().as_window().bluetooth_thread()
+    }
+
+    pub(crate) fn get_query(&self) -> PermissionName {
+        self.status.get_query()
+    }
+
+    pub(crate) fn set_state(&self, state: PermissionState) {
+        self.status.set_state(state)
+    }
+
+    pub(crate) fn get_state(&self) -> PermissionState {
+        self.status.State()
+    }
+
+    #[cfg_attr(crown, allow(crown::unrooted_must_root))]
+    pub(crate) fn set_devices(&self, devices: Vec<Dom<BluetoothDevice>>) {
+        *self.devices.borrow_mut() = devices;
+    }
+}
+
+impl BluetoothPermissionResultMethods<crate::DomTypeHolder> for BluetoothPermissionResult {
+    // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothpermissionresult-devices
+    fn Devices(&self) -> Vec<DomRoot<BluetoothDevice>> {
+        let device_vec: Vec<DomRoot<BluetoothDevice>> = self
+            .devices
+            .borrow()
+            .iter()
+            .map(|d| DomRoot::from_ref(&**d))
+            .collect();
+        device_vec
+    }
+}
+
+impl AsyncBluetoothListener for BluetoothPermissionResult {
+    fn handle_response(&self, response: BluetoothResponse, promise: &Rc<Promise>, _can_gc: CanGc) {
+        match response {
+            // https://webbluetoothcg.github.io/web-bluetooth/#request-bluetooth-devices
+            // Step 3, 11, 13 - 14.
+            BluetoothResponse::RequestDevice(device) => {
+                self.set_state(PermissionState::Granted);
+                let bluetooth = self.get_bluetooth();
+                let mut device_instance_map = bluetooth.get_device_map().borrow_mut();
+                if let Some(existing_device) = device_instance_map.get(&device.id) {
+                    // https://webbluetoothcg.github.io/web-bluetooth/#request-the-bluetooth-permission
+                    // Step 3.
+                    self.set_devices(vec![Dom::from_ref(existing_device)]);
+
+                    // https://w3c.github.io/permissions/#dom-permissions-request
+                    // Step 8.
+                    return promise.resolve_native(self);
+                }
+                let bt_device = BluetoothDevice::new(
+                    &self.global(),
+                    DOMString::from(device.id.clone()),
+                    device.name.map(DOMString::from),
+                    &bluetooth,
+                );
+                device_instance_map.insert(device.id.clone(), Dom::from_ref(&bt_device));
+                self.global()
+                    .as_window()
+                    .bluetooth_extra_permission_data()
+                    .add_new_allowed_device(AllowedBluetoothDevice {
+                        deviceId: DOMString::from(device.id),
+                        mayUseGATT: true,
+                    });
+                // https://webbluetoothcg.github.io/web-bluetooth/#request-the-bluetooth-permission
+                // Step 3.
+                self.set_devices(vec![Dom::from_ref(&bt_device)]);
+
+                // https://w3c.github.io/permissions/#dom-permissions-request
+                // Step 8.
+                promise.resolve_native(self);
+            },
+            _ => promise.reject_error(Error::Type("Something went wrong...".to_owned())),
+        }
+    }
+}