arc: bluetooth: Add gatt client functionality

components/arc/bluetooth/arc_bluetooth_bridge.h

Index: components/arc/bluetooth/arc_bluetooth_bridge.h
diff --git a/components/arc/bluetooth/arc_bluetooth_bridge.h b/components/arc/bluetooth/arc_bluetooth_bridge.h
index f6843005123a85680d3ae5d3ab015cc477a09b39..9998de7c048c921330995a945f03ccdc9cb34793 100644
--- a/components/arc/bluetooth/arc_bluetooth_bridge.h
+++ b/components/arc/bluetooth/arc_bluetooth_bridge.h
@@ -7,6 +7,7 @@
 
 #include <stdint.h>
 
+#include <map>
 #include <memory>
 #include <string>
 #include <vector>
@@ -136,6 +137,51 @@ class ArcBluetoothBridge
   void GetConnectionState(mojom::BluetoothAddressPtr addr,
                           const GetConnectionStateCallback& callback) override;
 
+  // Bluetooth Mojo host interface - Bluetooth Gatt Client functions
+  void StartLEScan() override;
+  void StopLEScan() override;
+  void ConnectLEDevice(mojom::BluetoothAddressPtr remote_addr) override;
+  void DisconnectLEDevice(mojom::BluetoothAddressPtr remote_addr) override;
+  void StartLEListen(const StartLEListenCallback& callback) override;
+  void StopLEListen(const StopLEListenCallback& callback) override;
+  void SearchService(mojom::BluetoothAddressPtr remote_addr) override;
+  void GetGattDB(mojom::BluetoothAddressPtr remote_addr) override;
+  void ReadGattCharacteristic(
+      mojom::BluetoothAddressPtr remote_addr,
+      mojom::BluetoothGattServiceIDPtr service_id,
+      mojom::BluetoothGattIDPtr char_id,
+      const ReadGattCharacteristicCallback& callback) override;
+  void WriteGattCharacteristic(
+      mojom::BluetoothAddressPtr remote_addr,
+      mojom::BluetoothGattServiceIDPtr service_id,
+      mojom::BluetoothGattIDPtr char_id,
+      mojom::BluetoothGattValuePtr value,
+      const WriteGattCharacteristicCallback& callback) override;
+  void ReadGattDescriptor(mojom::BluetoothAddressPtr remote_addr,
+                          mojom::BluetoothGattServiceIDPtr service_id,
+                          mojom::BluetoothGattIDPtr char_id,
+                          mojom::BluetoothGattIDPtr desc_id,
+                          const ReadGattDescriptorCallback& callback) override;
+  void WriteGattDescriptor(
+      mojom::BluetoothAddressPtr remote_addr,
+      mojom::BluetoothGattServiceIDPtr service_id,
+      mojom::BluetoothGattIDPtr char_id,
+      mojom::BluetoothGattIDPtr desc_id,
+      mojom::BluetoothGattValuePtr value,
+      const WriteGattDescriptorCallback& callback) override;
+  void RegisterForGattNotification(
+      mojom::BluetoothAddressPtr remote_addr,
+      mojom::BluetoothGattServiceIDPtr service_id,
+      mojom::BluetoothGattIDPtr char_id,
+      const RegisterForGattNotificationCallback& callback) override;
+  void DeregisterForGattNotification(
+      mojom::BluetoothAddressPtr remote_addr,
+      mojom::BluetoothGattServiceIDPtr service_id,
+      mojom::BluetoothGattIDPtr char_id,
+      const DeregisterForGattNotificationCallback& callback) override;
+  void ReadRemoteRssi(mojom::BluetoothAddressPtr remote_addr,
+                      const ReadRemoteRssiCallback& callback) override;
+
   // Chrome observer callbacks
   void OnPoweredOn(
       const mojo::Callback<void(mojom::BluetoothAdapterState)>& callback) const;
@@ -155,23 +201,81 @@ class ArcBluetoothBridge
   void OnForgetDone(mojom::BluetoothAddressPtr addr) const;
   void OnForgetError(mojom::BluetoothAddressPtr addr) const;
 
+  void OnGattConnected(
+      mojom::BluetoothAddressPtr addr,
+      std::unique_ptr<device::BluetoothGattConnection> connection) const;
+  void OnGattConnectError(
+      mojom::BluetoothAddressPtr addr,
+      device::BluetoothDevice::ConnectErrorCode error_code) const;
+  void OnGattDisconnected(mojom::BluetoothAddressPtr addr) const;
+
+  void OnStartLEListenDone(const StartLEListenCallback& callback,
+                           scoped_refptr<device::BluetoothAdvertisement> adv);
+  void OnStartLEListenError(
+      const StartLEListenCallback& callback,
+      device::BluetoothAdvertisement::ErrorCode error_code);
+
+  void OnStopLEListenDone(const StopLEListenCallback& callback);
+  void OnStopLEListenError(
+      const StopLEListenCallback& callback,
+      device::BluetoothAdvertisement::ErrorCode error_code);
+
+  using GattReadCallback = mojo::Callback<void(mojom::BluetoothGattValuePtr)>;
+  void OnGattReadDone(const GattReadCallback& callback,
+                      const std::vector<uint8_t>& result) const;
+  void OnGattReadError(
+      const GattReadCallback& callback,
+      device::BluetoothGattService::GattErrorCode error_code) const;
+
+  using GattWriteCallback = mojo::Callback<void(mojom::BluetoothGattStatus)>;
+  void OnGattWriteDone(const GattWriteCallback& callback) const;
+  void OnGattWriteError(
+      const GattWriteCallback& callback,
+      device::BluetoothGattService::GattErrorCode error_code) const;
+
+  void OnGattNotifyStartDone(
+      const RegisterForGattNotificationCallback& callback,
+      const std::string char_string_id,
+      std::unique_ptr<device::BluetoothGattNotifySession> notify_session);
+  void OnGattNotifyStartError(
+      const RegisterForGattNotificationCallback& callback,
+      device::BluetoothGattService::GattErrorCode error_code) const;
+  void OnGattNotifyStopDone(
+      const DeregisterForGattNotificationCallback& callback) const;
+
  private:
   mojo::Array<mojom::BluetoothPropertyPtr> GetDeviceProperties(
       mojom::BluetoothPropertyType type,
       device::BluetoothDevice* device) const;
   mojo::Array<mojom::BluetoothPropertyPtr> GetAdapterProperties(
       mojom::BluetoothPropertyType type) const;
+  mojo::Array<mojom::BluetoothAdvertisingDataPtr> GetAdvertisingData(
+      device::BluetoothDevice* device) const;
 
   void SendCachedDevicesFound() const;
   bool HasBluetoothInstance() const;
 
+  device::BluetoothRemoteGattCharacteristic* FindGattCharacteristic(
+      mojom::BluetoothAddressPtr remote_addr,
+      mojom::BluetoothGattServiceIDPtr service_id,
+      mojom::BluetoothGattIDPtr char_id) const;
+
+  device::BluetoothRemoteGattDescriptor* FindGattDescriptor(
+      mojom::BluetoothAddressPtr remote_addr,
+      mojom::BluetoothGattServiceIDPtr service_id,
+      mojom::BluetoothGattIDPtr char_id,
+      mojom::BluetoothGattIDPtr desc_id) const;
+
   // Propagates the list of paired device to Android.
   void SendCachedPairedDevices() const;
 
   mojo::Binding<mojom::BluetoothHost> binding_;
 
   scoped_refptr<device::BluetoothAdapter> bluetooth_adapter_;
+  scoped_refptr<device::BluetoothAdvertisement> advertisment_;
   std::unique_ptr<device::BluetoothDiscoverySession> discovery_session_;
+  std::map<std::string, std::unique_ptr<device::BluetoothGattNotifySession>>
+      notification_session_;
 
   // WeakPtrFactory to use for callbacks.
   base::WeakPtrFactory<ArcBluetoothBridge> weak_factory_;