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content / browser / bluetooth / web_bluetooth_service_impl.h [blame]
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_BLUETOOTH_WEB_BLUETOOTH_SERVICE_IMPL_H_
#define CONTENT_BROWSER_BLUETOOTH_WEB_BLUETOOTH_SERVICE_IMPL_H_
#include <memory>
#include <optional>
#include <string>
#include <unordered_map>
#include <vector>
#include "base/functional/callback.h"
#include "base/gtest_prod_util.h"
#include "base/scoped_observation.h"
#include "build/build_config.h"
#include "content/browser/bad_message.h"
#include "content/browser/bluetooth/web_bluetooth_pairing_manager_delegate.h"
#include "content/common/content_export.h"
#include "content/public/browser/bluetooth_delegate.h"
#include "content/public/browser/bluetooth_scanning_prompt.h"
#include "content/public/browser/document_user_data.h"
#include "content/public/browser/web_contents_observer.h"
#include "device/bluetooth/bluetooth_adapter.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "mojo/public/cpp/bindings/pending_associated_remote.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "third_party/blink/public/mojom/bluetooth/web_bluetooth.mojom.h"
namespace url {
class Origin;
} // namespace url
namespace device {
class BluetoothDiscoverySession;
class BluetoothGattConnection;
class BluetoothGattNotifySession;
class BluetoothRemoteGattCharacteristic;
class BluetoothUUID;
} // namespace device
namespace content {
class BluetoothAllowedDevices;
class BluetoothDeviceChooserController;
class BluetoothDeviceScanningPromptController;
struct CacheQueryResult;
class FrameConnectedBluetoothDevices;
struct GATTNotifySessionAndCharacteristicClient;
class RenderProcessHost;
class WebBluetoothPairingManager;
bool HasValidFilter(
const std::optional<std::vector<blink::mojom::WebBluetoothLeScanFilterPtr>>&
filters);
// Implementation of Mojo WebBluetoothService located in
// third_party/blink/renderer/modules/bluetooth.
// It handles Web Bluetooth API requests coming from Blink / renderer
// process and uses the platform abstraction of device/bluetooth.
// WebBluetoothServiceImpl is not thread-safe and should be created on the
// UI thread as required by device/bluetooth.
// This class is instantiated on-demand via Mojo's ConnectToRemoteService
// from the renderer when the first Web Bluetooth API request is handled.
class CONTENT_EXPORT WebBluetoothServiceImpl
: public blink::mojom::WebBluetoothService,
public DocumentUserData<WebBluetoothServiceImpl>,
public WebContentsObserver,
public device::BluetoothAdapter::Observer,
public BluetoothDelegate::FramePermissionObserver,
public WebBluetoothPairingManagerDelegate {
public:
static blink::mojom::WebBluetoothResult TranslateConnectErrorAndRecord(
device::BluetoothDevice::ConnectErrorCode error_code);
// Binds `receiver` to `WebBluetoothServiceImpl` for the currently active
// document for `render_frame_host`, if no security checks fail. See
// `DocumentUserData` for additional details about lifetime.
static void BindIfAllowed(
RenderFrameHost* render_frame_host,
mojo::PendingReceiver<blink::mojom::WebBluetoothService> receiver);
// Wrapper around `BindIfAllowed()` that also returns the created
// WebBluetoothServiceImpl, if any.
static WebBluetoothServiceImpl* CreateForTesting(
RenderFrameHost* render_frame_host,
mojo::PendingReceiver<blink::mojom::WebBluetoothService> receiver);
// Calling this methods prevents WebBluetoothServiceImpl from clearing up its
// WatchAdvertisement clients when the window either loses focus or becomes
// hidden or occluded. This method is meant to be called from browser tests to
// prevent flakiness.
static void IgnoreVisibilityRequirementsForTesting();
~WebBluetoothServiceImpl() override;
WebBluetoothServiceImpl(const WebBluetoothServiceImpl&) = delete;
WebBluetoothServiceImpl& operator=(const WebBluetoothServiceImpl&) = delete;
// Prefer `receiver_.ReportBadMessage()` in new code. Existing callers should
// be migrated as well.
void ReceivedBadMessage(bad_message::BadMessageReason reason);
// Checks the current requesting and embedding origins as well as the policy
// or global Web Bluetooth block to determine if Web Bluetooth is allowed.
// Returns |SUCCESS| if Bluetooth is allowed.
blink::mojom::WebBluetoothResult GetBluetoothAllowed();
// Returns whether the device is paired with the |render_frame_host_|'s
// GetLastCommittedOrigin().
bool IsDevicePaired(const std::string& device_address);
// Informs each client in |scanning_clients_| of the user's permission
// decision.
void OnBluetoothScanningPromptEvent(
BluetoothScanningPrompt::Event event,
BluetoothDeviceScanningPromptController* prompt_controller);
// BluetoothDelegate::FramePermissionObserverimplementation:
void OnPermissionRevoked(const url::Origin& origin) override;
content::RenderFrameHost* GetRenderFrameHost() override;
#if PAIR_BLUETOOTH_ON_DEMAND()
void SetPairingManagerForTesting(
std::unique_ptr<WebBluetoothPairingManager> pairing_manager);
#endif // PAIR_BLUETOOTH_ON_DEMAND()
private:
friend DocumentUserData;
DOCUMENT_USER_DATA_KEY_DECL();
// `render_frame_host`: The RFH of the document that owns this instance.
explicit WebBluetoothServiceImpl(RenderFrameHost* render_frame_host);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
DestroyedDuringRequestDevice);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
DestroyedDuringRequestScanningStart);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest, PermissionAllowed);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
PermissionPromptCanceled);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
BluetoothScanningPermissionRevokedWhenTabHidden);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
BluetoothScanningPermissionRevokedWhenTabOccluded);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
BluetoothScanningPermissionRevokedWhenBlocked);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
BluetoothScanningPermissionRevokedWhenFocusIsLost);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
ReadCharacteristicValueErrorWithValueIgnored);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplBrowserTest,
NoShowBluetoothScanningPromptInPrerendering);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
DeferredStartNotifySession);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest, DeviceDisconnected);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
DeviceGattServicesDiscoveryTimeout);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
TwoWatchAdvertisementsReqSuccess);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
TwoWatchAdvertisementsReqFail);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
SecWatchAdvertisementsReqAfterFirstSuccess);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTestWithBaseAdapter,
EmulatedAdapterRemovalRestoresOriginalAdapter);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
ServiceDestroyedDuringAdapterAcquisition);
#if PAIR_BLUETOOTH_ON_DEMAND()
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
ReadCharacteristicValueNotAuthorized);
FRIEND_TEST_ALL_PREFIXES(WebBluetoothServiceImplTest,
IncompletePairingOnShutdown);
#endif // PAIR_BLUETOOTH_ON_DEMAND()
friend class FrameConnectedBluetoothDevicesTest;
friend class WebBluetoothServiceImplTest;
friend class WebBluetoothServiceImplTestWithBaseAdapter;
using PrimaryServicesRequestCallback =
base::OnceCallback<void(device::BluetoothDevice*)>;
using ScanFilters = std::vector<blink::mojom::WebBluetoothLeScanFilterPtr>;
class AdvertisementClient;
class WatchAdvertisementsClient;
class ScanningClient;
struct DeferredStartNotificationData;
// Returns false if `this` is already bound.
bool Bind(mojo::PendingReceiver<blink::mojom::WebBluetoothService> receiver);
// WebContentsObserver:
// These functions should always check that the affected RenderFrameHost
// is this->render_frame_host() and not some other frame in the same tab.
void OnVisibilityChanged(Visibility visibility) override;
void OnWebContentsLostFocus(RenderWidgetHost* render_widget_host) override;
// BluetoothAdapter::Observer:
void AdapterPoweredChanged(device::BluetoothAdapter* adapter,
bool powered) override;
void DeviceAdded(device::BluetoothAdapter* adapter,
device::BluetoothDevice* device) override;
void DeviceChanged(device::BluetoothAdapter* adapter,
device::BluetoothDevice* device) override;
void DeviceAdvertisementReceived(
const std::string& device_address,
const std::optional<std::string>& device_name,
const std::optional<std::string>& advertisement_name,
std::optional<int8_t> rssi,
std::optional<int8_t> tx_power,
std::optional<uint16_t> appearance,
const device::BluetoothDevice::UUIDList& advertised_uuids,
const device::BluetoothDevice::ServiceDataMap& service_data_map,
const device::BluetoothDevice::ManufacturerDataMap& manufacturer_data_map)
override;
void GattServicesDiscovered(device::BluetoothAdapter* adapter,
device::BluetoothDevice* device) override;
void GattCharacteristicValueChanged(
device::BluetoothAdapter* adapter,
device::BluetoothRemoteGattCharacteristic* characteristic,
const std::vector<uint8_t>& value) override;
// Notifies the WebBluetoothServiceClient that characteristic
// |characteristic_instance_id| changed it's value. We only do this for
// characteristics that have been returned to the client in the past.
void NotifyCharacteristicValueChanged(
const std::string& characteristic_instance_id,
const std::vector<uint8_t>& value);
// WebBluetoothService methods:
void GetAvailability(GetAvailabilityCallback callback) override;
void RequestDevice(blink::mojom::WebBluetoothRequestDeviceOptionsPtr options,
RequestDeviceCallback callback) override;
void GetDevices(GetDevicesCallback callback) override;
void ForgetDevice(const blink::WebBluetoothDeviceId& device_id,
ForgetDeviceCallback callback) override;
void RemoteServerConnect(
const blink::WebBluetoothDeviceId& device_id,
mojo::PendingAssociatedRemote<blink::mojom::WebBluetoothServerClient>
client,
RemoteServerConnectCallback callback) override;
void RemoteServerDisconnect(
const blink::WebBluetoothDeviceId& device_id) override;
void RemoteServerGetPrimaryServices(
const blink::WebBluetoothDeviceId& device_id,
blink::mojom::WebBluetoothGATTQueryQuantity quantity,
const std::optional<device::BluetoothUUID>& services_uuid,
RemoteServerGetPrimaryServicesCallback callback) override;
void RemoteServiceGetCharacteristics(
const std::string& service_instance_id,
blink::mojom::WebBluetoothGATTQueryQuantity quantity,
const std::optional<device::BluetoothUUID>& characteristics_uuid,
RemoteServiceGetCharacteristicsCallback callback) override;
void RemoteCharacteristicReadValue(
const std::string& characteristic_instance_id,
RemoteCharacteristicReadValueCallback callback) override;
void RemoteCharacteristicWriteValue(
const std::string& characteristic_instance_id,
const std::vector<uint8_t>& value,
blink::mojom::WebBluetoothWriteType write_type,
RemoteCharacteristicWriteValueCallback callback) override;
void RemoteCharacteristicStartNotifications(
const std::string& characteristic_instance_id,
mojo::PendingAssociatedRemote<
blink::mojom::WebBluetoothCharacteristicClient> client,
RemoteCharacteristicStartNotificationsCallback callback) override;
void RemoteCharacteristicStartNotificationsInternal(
const std::string& characteristic_instance_id,
mojo::AssociatedRemote<blink::mojom::WebBluetoothCharacteristicClient>
client,
RemoteCharacteristicStartNotificationsCallback callback) override;
void RemoteCharacteristicStopNotifications(
const std::string& characteristic_instance_id,
RemoteCharacteristicStopNotificationsCallback callback) override;
void RemoteCharacteristicGetDescriptors(
const std::string& service_instance_id,
blink::mojom::WebBluetoothGATTQueryQuantity quantity,
const std::optional<device::BluetoothUUID>& characteristics_uuid,
RemoteCharacteristicGetDescriptorsCallback callback) override;
void RemoteDescriptorReadValue(
const std::string& descriptor_instance_id,
RemoteDescriptorReadValueCallback callback) override;
void RemoteDescriptorWriteValue(
const std::string& descriptor_instance_id,
const std::vector<uint8_t>& value,
RemoteDescriptorWriteValueCallback callback) override;
void RequestScanningStart(
mojo::PendingAssociatedRemote<
blink::mojom::WebBluetoothAdvertisementClient> client_remote,
blink::mojom::WebBluetoothRequestLEScanOptionsPtr options,
RequestScanningStartCallback callback) override;
void WatchAdvertisementsForDevice(
const blink::WebBluetoothDeviceId& device_id,
mojo::PendingAssociatedRemote<
blink::mojom::WebBluetoothAdvertisementClient> client_remote,
WatchAdvertisementsForDeviceCallback callback) override;
void RequestDeviceImpl(
blink::mojom::WebBluetoothRequestDeviceOptionsPtr options,
RequestDeviceCallback callback,
scoped_refptr<device::BluetoothAdapter> adapter);
void GetDevicesImpl(GetDevicesCallback callback,
scoped_refptr<device::BluetoothAdapter> adapter);
// Callbacks for BLE scanning.
void RequestScanningStartImpl(
mojo::PendingAssociatedRemote<
blink::mojom::WebBluetoothAdvertisementClient> client_remote,
blink::mojom::WebBluetoothRequestLEScanOptionsPtr options,
RequestScanningStartCallback callback,
scoped_refptr<device::BluetoothAdapter> adapter);
void OnStartDiscoverySessionForScanning(
mojo::PendingAssociatedRemote<
blink::mojom::WebBluetoothAdvertisementClient> client_remote,
blink::mojom::WebBluetoothRequestLEScanOptionsPtr options,
std::unique_ptr<device::BluetoothDiscoverySession> session);
void OnDiscoverySessionErrorForScanning();
// Callbacks for watch advertisements for device.
void WatchAdvertisementsForDeviceImpl(
const blink::WebBluetoothDeviceId& device_id,
mojo::PendingAssociatedRemote<
blink::mojom::WebBluetoothAdvertisementClient> client_remote,
WatchAdvertisementsForDeviceCallback callback,
scoped_refptr<device::BluetoothAdapter> adapter);
void OnStartDiscoverySessionForWatchAdvertisements(
std::unique_ptr<device::BluetoothDiscoverySession> session);
void OnDiscoverySessionErrorForWatchAdvertisements();
// Remove WatchAdvertisementsClients and ScanningClients with disconnected
// WebBluetoothAdvertisementClients from their respective containers.
void RemoveDisconnectedClients();
// Stop active discovery sessions and destroy them if there aren't any active
// AdvertisementClients.
void MaybeStopDiscovery();
// Should only be run after the services have been discovered for
// |device_address|.
void RemoteServerGetPrimaryServicesImpl(
const blink::WebBluetoothDeviceId& device_id,
blink::mojom::WebBluetoothGATTQueryQuantity quantity,
const std::optional<device::BluetoothUUID>& services_uuid,
RemoteServerGetPrimaryServicesCallback callback,
device::BluetoothDevice* device);
// Callback for BluetoothDeviceChooserController::GetDevice.
void OnGetDevice(RequestDeviceCallback callback,
blink::mojom::WebBluetoothResult result,
blink::mojom::WebBluetoothRequestDeviceOptionsPtr options,
const std::string& device_id);
// Callbacks for BluetoothDevice::CreateGattConnection.
void OnCreateGATTConnection(
const blink::WebBluetoothDeviceId& device_id,
mojo::AssociatedRemote<blink::mojom::WebBluetoothServerClient> client,
RemoteServerConnectCallback callback,
std::unique_ptr<device::BluetoothGattConnection> connection,
std::optional<device::BluetoothDevice::ConnectErrorCode> error_code);
// Callbacks for BluetoothRemoteGattCharacteristic::ReadRemoteCharacteristic.
void OnCharacteristicReadValue(
const std::string& characteristic_instance_id,
RemoteCharacteristicReadValueCallback callback,
std::optional<device::BluetoothGattService::GattErrorCode> error_code,
const std::vector<uint8_t>& value);
// Callbacks for BluetoothRemoteGattCharacteristic::WriteRemoteCharacteristic.
void OnCharacteristicWriteValueSuccess(
RemoteCharacteristicWriteValueCallback callback);
void OnCharacteristicWriteValueFailed(
const std::string& characteristic_instance_id,
const std::vector<uint8_t>& value,
blink::mojom::WebBluetoothWriteType write_type,
RemoteCharacteristicWriteValueCallback callback,
device::BluetoothGattService::GattErrorCode error_code);
// Callbacks for BluetoothRemoteGattCharacteristic::StartNotifySession.
void OnStartNotifySessionSuccess(
RemoteCharacteristicStartNotificationsCallback callback,
std::unique_ptr<device::BluetoothGattNotifySession> notify_session);
void OnStartNotifySessionFailed(
RemoteCharacteristicStartNotificationsCallback callback,
const std::string& characteristic_instance_id,
device::BluetoothGattService::GattErrorCode error_code);
// Callback for BluetoothGattNotifySession::Stop.
void OnStopNotifySessionComplete(
const std::string& characteristic_instance_id,
RemoteCharacteristicStopNotificationsCallback callback);
// Callbacks for BluetoothRemoteGattDescriptor::ReadRemoteDescriptor.
void OnDescriptorReadValue(
const std::string& descriptor_instance_id,
RemoteDescriptorReadValueCallback callback,
std::optional<device::BluetoothGattService::GattErrorCode> error_code,
const std::vector<uint8_t>& value);
// Callbacks for BluetoothRemoteGattDescriptor::WriteRemoteDescriptor.
void OnDescriptorWriteValueSuccess(
RemoteDescriptorWriteValueCallback callback);
void OnDescriptorWriteValueFailed(
const std::string& descriptor_instance_id,
const std::vector<uint8_t>& value,
RemoteDescriptorWriteValueCallback callback,
device::BluetoothGattService::GattErrorCode error_code);
// Functions to query the platform cache for the bluetooth object.
// result.outcome == CacheQueryOutcome::SUCCESS if the object was found in the
// cache. Otherwise result.outcome that can used to record the outcome and
// result.error will contain the error that should be sent to the renderer.
// One of the possible outcomes is BAD_RENDERER. In this case we crash the
// renderer, record the reason and close the pipe, so it's safe to drop
// any callbacks.
// Queries the platform cache for a Device with |device_id| for |origin|.
// Fills in the |outcome| field and the |device| field if successful.
CacheQueryResult QueryCacheForDevice(
const blink::WebBluetoothDeviceId& device_id);
// Return the cached BluetoothDevice for the given |device_id|.
device::BluetoothDevice* GetCachedDevice(
const blink::WebBluetoothDeviceId& device_id);
// Queries the platform cache for a Service with |service_instance_id|. Fills
// in the |outcome| field, and |device| and |service| fields if successful.
CacheQueryResult QueryCacheForService(const std::string& service_instance_id);
// Queries the platform cache for a characteristic with
// |characteristic_instance_id|. Fills in the |outcome| field, and |device|,
// |service| and |characteristic| fields if successful.
CacheQueryResult QueryCacheForCharacteristic(
const std::string& characteristic_instance_id);
// Queries the platform cache for a descriptor with |descriptor_instance_id|.
// Fills in the |outcome| field, and |device|, |service|, |characteristic|,
// |descriptor| fields if successful.
CacheQueryResult QueryCacheForDescriptor(
const std::string& descriptor_instance_id);
void RunPendingPrimaryServicesRequests(device::BluetoothDevice* device);
RenderProcessHost* GetRenderProcessHost();
device::BluetoothAdapter* GetAdapter();
BluetoothAllowedDevices& allowed_devices();
void StoreAllowedScanOptions(
const blink::mojom::WebBluetoothRequestLEScanOptions& options);
bool AreScanFiltersAllowed(const std::optional<ScanFilters>& filters) const;
// Clears state associated with Bluetooth LE Scanning.
void ClearAdvertisementClients();
bool IsAllowedToAccessAtLeastOneService(
const blink::WebBluetoothDeviceId& device_id);
bool IsAllowedToAccessService(const blink::WebBluetoothDeviceId& device_id,
const device::BluetoothUUID& service);
bool IsAllowedToAccessManufacturerData(
const blink::WebBluetoothDeviceId& device_id,
uint16_t manufacturer_code);
// Returns true if at least |ble_scan_discovery_session_| or
// |watch_advertisements_discovery_session_| is active.
bool HasActiveDiscoverySession();
// WebBluetoothPairingManagerDelegate implementation:
blink::WebBluetoothDeviceId GetCharacteristicDeviceID(
const std::string& characteristic_instance_id) override;
blink::WebBluetoothDeviceId GetDescriptorDeviceId(
const std::string& descriptor_instance_id) override;
blink::WebBluetoothDeviceId GetWebBluetoothDeviceId(
const std::string& device_address) override;
void PairDevice(const blink::WebBluetoothDeviceId& device_id,
device::BluetoothDevice::PairingDelegate* pairing_delegate,
device::BluetoothDevice::ConnectCallback callback) override;
void CancelPairing(const blink::WebBluetoothDeviceId& device_id) override;
void SetPinCode(const blink::WebBluetoothDeviceId& device_id,
const std::string& pincode) override;
void PromptForBluetoothPairing(
const std::u16string& device_identifier,
BluetoothDelegate::PairPromptCallback callback,
BluetoothDelegate::PairingKind pairing_kind,
const std::optional<std::u16string>& pin) override;
void PairConfirmed(const blink::WebBluetoothDeviceId& device_id) override;
mojo::Receiver<blink::mojom::WebBluetoothService> receiver_;
// Used to open a BluetoothChooser and start a device discovery session.
std::unique_ptr<BluetoothDeviceChooserController> device_chooser_controller_;
// Used to open a BluetoothScanningPrompt.
std::unique_ptr<BluetoothDeviceScanningPromptController>
device_scanning_prompt_controller_;
// Maps to get the object's parent based on its instanceID.
std::unordered_map<std::string, std::string> service_id_to_device_address_;
std::unordered_map<std::string, std::string> characteristic_id_to_service_id_;
std::unordered_map<std::string, std::string>
descriptor_id_to_characteristic_id_;
// Map to keep track of the connected Bluetooth devices.
std::unique_ptr<FrameConnectedBluetoothDevices> connected_devices_;
// Maps a device address to callbacks that are waiting for services to
// be discovered for that device.
std::unordered_map<std::string, std::vector<PrimaryServicesRequestCallback>>
pending_primary_services_requests_;
// Map to keep track of the characteristics' notify sessions.
std::unordered_map<std::string,
std::unique_ptr<GATTNotifySessionAndCharacteristicClient>>
characteristic_id_to_notify_session_;
// Map characteristic instance ID to deferred startNotification data.
std::unordered_map<
std::string,
base::queue<std::unique_ptr<DeferredStartNotificationData>>>
characteristic_id_to_deferred_start_;
// Keeps track of our BLE scanning session.
std::unique_ptr<device::BluetoothDiscoverySession>
ble_scan_discovery_session_;
// Keeps track of our watch advertisements discovery session.
std::unique_ptr<device::BluetoothDiscoverySession>
watch_advertisements_discovery_session_;
// This queues up a scanning start callback so that we only have one
// BluetoothDiscoverySession start request at a time for a BLE scan.
RequestScanningStartCallback request_scanning_start_callback_;
// This queues up pending watch advertisements clients so that
// we only have one BluetoothDiscoverySession start request at a time for
// watching device advertisements.
std::vector<std::unique_ptr<WatchAdvertisementsClient>>
watch_advertisements_pending_clients_;
// List of clients that we must broadcast scan changes to.
std::vector<std::unique_ptr<ScanningClient>> scanning_clients_;
std::vector<std::unique_ptr<WatchAdvertisementsClient>>
watch_advertisements_clients_;
// Allowed Bluetooth scanning filters.
ScanFilters allowed_scan_filters_;
// Whether a site has been allowed to receive all Bluetooth advertisement
// packets.
bool accept_all_advertisements_ = false;
#if PAIR_BLUETOOTH_ON_DEMAND()
std::unique_ptr<WebBluetoothPairingManager> pairing_manager_;
#endif
base::ScopedObservation<BluetoothDelegate,
BluetoothDelegate::FramePermissionObserver>
observer_{this};
base::WeakPtrFactory<WebBluetoothServiceImpl> weak_ptr_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_BLUETOOTH_WEB_BLUETOOTH_SERVICE_IMPL_H_