| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROMECAST_DEVICE_BLUETOOTH_LE_REMOTE_CHARACTERISTIC_IMPL_H_ |
| #define CHROMECAST_DEVICE_BLUETOOTH_LE_REMOTE_CHARACTERISTIC_IMPL_H_ |
| |
| #include <atomic> |
| #include <map> |
| #include <memory> |
| #include <vector> |
| |
| #include "base/memory/weak_ptr.h" |
| #include "base/single_thread_task_runner.h" |
| #include "chromecast/device/bluetooth/le/remote_characteristic.h" |
| |
| namespace chromecast { |
| namespace bluetooth { |
| |
| class GattClientManagerImpl; |
| class RemoteDeviceImpl; |
| |
| // A proxy for a remote characteristic on a RemoteDevice. Unless otherwise |
| // specified, all callbacks are run on the caller's thread. |
| class RemoteCharacteristicImpl : public RemoteCharacteristic { |
| public: |
| // RemoteCharacteristic impl: |
| std::vector<scoped_refptr<RemoteDescriptor>> GetDescriptors() override; |
| scoped_refptr<RemoteDescriptor> GetDescriptorByUuid( |
| const bluetooth_v2_shlib::Uuid& uuid) override; |
| void SetRegisterNotification(bool enable, StatusCallback cb) override; |
| void SetNotification(bool enable, StatusCallback cb) override; |
| void SetRegisterNotificationOrIndication(bool enable, |
| StatusCallback cb) override; |
| void ReadAuth(bluetooth_v2_shlib::Gatt::Client::AuthReq auth_req, |
| ReadCallback callback) override; |
| void Read(ReadCallback callback) override; |
| void WriteAuth(bluetooth_v2_shlib::Gatt::Client::AuthReq auth_req, |
| bluetooth_v2_shlib::Gatt::WriteType write_type, |
| const std::vector<uint8_t>& value, |
| StatusCallback callback) override; |
| void Write(const std::vector<uint8_t>& value, |
| StatusCallback callback) override; |
| bool NotificationEnabled() override; |
| const bluetooth_v2_shlib::Gatt::Characteristic& characteristic() |
| const override; |
| const bluetooth_v2_shlib::Uuid& uuid() const override; |
| uint16_t handle() const override; |
| bluetooth_v2_shlib::Gatt::Permissions permissions() const override; |
| bluetooth_v2_shlib::Gatt::Properties properties() const override; |
| |
| // Mark the object as out of scope. |
| void Invalidate(); |
| |
| private: |
| friend class GattClientManagerImpl; |
| friend class RemoteDeviceImpl; |
| friend class RemoteServiceImpl; |
| |
| RemoteCharacteristicImpl( |
| RemoteDeviceImpl* device, |
| base::WeakPtr<GattClientManagerImpl> gatt_client_manager, |
| const bluetooth_v2_shlib::Gatt::Characteristic* characteristic, |
| scoped_refptr<base::SingleThreadTaskRunner> io_task_runner); |
| ~RemoteCharacteristicImpl() override; |
| |
| std::map<bluetooth_v2_shlib::Uuid, scoped_refptr<RemoteDescriptor>> |
| CreateDescriptorMap(); |
| |
| // If |indication| is true, register or deregister indication. |
| // If |indication| is false, register or deregister notification. |
| void SetRegisterNotificationOrIndicationInternal(bool indication, |
| bool enable, |
| StatusCallback cb); |
| |
| // Weak reference to avoid refcount loop. |
| RemoteDeviceImpl* const device_; |
| base::WeakPtr<GattClientManagerImpl> gatt_client_manager_; |
| const bluetooth_v2_shlib::Gatt::Characteristic* const characteristic_; |
| |
| // All bluetooth_v2_shlib calls are run on this task_runner. All members must |
| // be accessed on this task_runner. |
| const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; |
| |
| // Work around http://crbug/831878. This allows notifications on |
| // characteristics which do not have a CCCD. |
| const std::unique_ptr<bluetooth_v2_shlib::Gatt::Descriptor> fake_cccd_; |
| |
| const std::map<bluetooth_v2_shlib::Uuid, scoped_refptr<RemoteDescriptor>> |
| uuid_to_descriptor_; |
| |
| std::atomic<bool> notification_enabled_{false}; |
| |
| DISALLOW_COPY_AND_ASSIGN(RemoteCharacteristicImpl); |
| }; |
| |
| } // namespace bluetooth |
| } // namespace chromecast |
| |
| #endif // CHROMECAST_DEVICE_BLUETOOTH_LE_REMOTE_CHARACTERISTIC_IMPL_H_ |