| // Copyright 2014 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. |
| |
| #include "device/bluetooth/bluetooth_remote_gatt_descriptor_chromeos.h" |
| |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "base/strings/stringprintf.h" |
| #include "chromeos/dbus/bluetooth_gatt_descriptor_client.h" |
| #include "chromeos/dbus/dbus_thread_manager.h" |
| #include "device/bluetooth/bluetooth_remote_gatt_characteristic_chromeos.h" |
| #include "device/bluetooth/bluetooth_remote_gatt_service_chromeos.h" |
| |
| namespace chromeos { |
| |
| namespace { |
| |
| // Stream operator for logging vector<uint8>. |
| std::ostream& operator<<(std::ostream& out, const std::vector<uint8> bytes) { |
| out << "["; |
| for (std::vector<uint8>::const_iterator iter = bytes.begin(); |
| iter != bytes.end(); ++iter) { |
| out << base::StringPrintf("%02X", *iter); |
| } |
| return out << "]"; |
| } |
| |
| } // namespace |
| |
| BluetoothRemoteGattDescriptorChromeOS::BluetoothRemoteGattDescriptorChromeOS( |
| BluetoothRemoteGattCharacteristicChromeOS* characteristic, |
| const dbus::ObjectPath& object_path) |
| : object_path_(object_path), |
| characteristic_(characteristic), |
| weak_ptr_factory_(this) { |
| VLOG(1) << "Creating remote GATT descriptor with identifier: " |
| << GetIdentifier() << ", UUID: " << GetUUID().canonical_value(); |
| } |
| |
| BluetoothRemoteGattDescriptorChromeOS:: |
| ~BluetoothRemoteGattDescriptorChromeOS() { |
| } |
| |
| std::string BluetoothRemoteGattDescriptorChromeOS::GetIdentifier() const { |
| return object_path_.value(); |
| } |
| |
| device::BluetoothUUID BluetoothRemoteGattDescriptorChromeOS::GetUUID() const { |
| BluetoothGattDescriptorClient::Properties* properties = |
| DBusThreadManager::Get()->GetBluetoothGattDescriptorClient()-> |
| GetProperties(object_path_); |
| DCHECK(properties); |
| return device::BluetoothUUID(properties->uuid.value()); |
| } |
| |
| bool BluetoothRemoteGattDescriptorChromeOS::IsLocal() const { |
| return false; |
| } |
| |
| const std::vector<uint8>& |
| BluetoothRemoteGattDescriptorChromeOS::GetValue() const { |
| return cached_value_; |
| } |
| |
| device::BluetoothGattCharacteristic* |
| BluetoothRemoteGattDescriptorChromeOS::GetCharacteristic() const { |
| return characteristic_; |
| } |
| |
| device::BluetoothGattCharacteristic::Permissions |
| BluetoothRemoteGattDescriptorChromeOS::GetPermissions() const { |
| // TODO(armansito): Once BlueZ defines the permissions, return the correct |
| // values here. |
| return device::BluetoothGattCharacteristic::kPermissionNone; |
| } |
| |
| void BluetoothRemoteGattDescriptorChromeOS::ReadRemoteDescriptor( |
| const ValueCallback& callback, |
| const ErrorCallback& error_callback) { |
| VLOG(1) << "Sending GATT characteristic descriptor read request to " |
| << "descriptor: " << GetIdentifier() << ", UUID: " |
| << GetUUID().canonical_value(); |
| |
| DBusThreadManager::Get()->GetBluetoothGattDescriptorClient()->ReadValue( |
| object_path_, |
| base::Bind(&BluetoothRemoteGattDescriptorChromeOS::OnValueSuccess, |
| weak_ptr_factory_.GetWeakPtr(), |
| callback), |
| base::Bind(&BluetoothRemoteGattDescriptorChromeOS::OnError, |
| weak_ptr_factory_.GetWeakPtr(), |
| error_callback)); |
| } |
| |
| void BluetoothRemoteGattDescriptorChromeOS::WriteRemoteDescriptor( |
| const std::vector<uint8>& new_value, |
| const base::Closure& callback, |
| const ErrorCallback& error_callback) { |
| VLOG(1) << "Sending GATT characteristic descriptor write request to " |
| << "characteristic: " << GetIdentifier() << ", UUID: " |
| << GetUUID().canonical_value() << ", with value: " |
| << new_value << "."; |
| |
| DBusThreadManager::Get()->GetBluetoothGattDescriptorClient()->WriteValue( |
| object_path_, |
| new_value, |
| callback, |
| base::Bind(&BluetoothRemoteGattDescriptorChromeOS::OnError, |
| weak_ptr_factory_.GetWeakPtr(), |
| error_callback)); |
| } |
| |
| void BluetoothRemoteGattDescriptorChromeOS::OnValueSuccess( |
| const ValueCallback& callback, |
| const std::vector<uint8>& value) { |
| VLOG(1) << "Descriptor value read: " << value; |
| cached_value_ = value; |
| |
| DCHECK(characteristic_); |
| BluetoothRemoteGattServiceChromeOS* service = |
| static_cast<BluetoothRemoteGattServiceChromeOS*>( |
| characteristic_->GetService()); |
| DCHECK(service); |
| service->NotifyDescriptorValueChanged(characteristic_, this, value); |
| callback.Run(value); |
| } |
| |
| void BluetoothRemoteGattDescriptorChromeOS::OnError( |
| const ErrorCallback& error_callback, |
| const std::string& error_name, |
| const std::string& error_message) { |
| VLOG(1) << "Operation failed: " << error_name |
| << ", message: " << error_message; |
| error_callback.Run(); |
| } |
| |
| } // namespace chromeos |