Bluetooth: mac: Working on macOS descriptor implementation.

device/bluetooth/bluetooth_remote_gatt_descriptor_mac.mm

+// Copyright 2017 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_mac.h"
+
+#include "base/strings/sys_string_conversions.h"
+#include "device/bluetooth/bluetooth_adapter_mac.h"
+#include "device/bluetooth/bluetooth_remote_gatt_characteristic_mac.h"
+
+namespace device {
+
+BluetoothRemoteGattDescriptorMac::BluetoothRemoteGattDescriptorMac(
+    BluetoothRemoteGattCharacteristicMac* characteristic,
+    CBDescriptor* descriptor)
+    : gatt_characteristic_(characteristic),
+      cb_descriptor_(descriptor, base::scoped_policy::RETAIN) {
+  uuid_ =
+      BluetoothAdapterMac::BluetoothUUIDWithCBUUID([cb_descriptor_.get() UUID]);
+  identifier_ = base::SysNSStringToUTF8(
+      [NSString stringWithFormat:@"%s-%p", uuid_.canonical_value().c_str(),
+                                 (void*)cb_descriptor_]);
+}
+
+std::string BluetoothRemoteGattDescriptorMac::GetIdentifier() const {
+  return identifier_;
+}
+
+BluetoothUUID BluetoothRemoteGattDescriptorMac::GetUUID() const {
+  return uuid_;
+}
+
+BluetoothGattCharacteristic::Permissions
+BluetoothRemoteGattDescriptorMac::GetPermissions() const {
+  NOTIMPLEMENTED();
+  return BluetoothGattCharacteristic::PERMISSION_NONE;
+}
+
+const std::vector<uint8_t>& BluetoothRemoteGattDescriptorMac::GetValue() const {
+  return value_;
+}
+
+BluetoothRemoteGattDescriptorMac::~BluetoothRemoteGattDescriptorMac() {}
+
+// Returns a pointer to the GATT characteristic that this characteristic
+// descriptor belongs to.
+BluetoothRemoteGattCharacteristic*
+BluetoothRemoteGattDescriptorMac::GetCharacteristic() const {
+  return static_cast<BluetoothRemoteGattCharacteristic*>(gatt_characteristic_);
+}
+
+// Sends a read request to a remote characteristic descriptor to read its
+// value. |callback| is called to return the read value on success and
+// |error_callback| is called for failures.
+void BluetoothRemoteGattDescriptorMac::ReadRemoteDescriptor(
+    const ValueCallback& callback,
+    const ErrorCallback& error_callback) {
+  NOTIMPLEMENTED();
+}
+
+// Sends a write request to a remote characteristic descriptor, to modify the
+// value of the descriptor with the new value |new_value|. |callback| is
+// called to signal success and |error_callback| for failures. This method
+// only applies to remote descriptors and will fail for those that are locally
+// hosted.
+void BluetoothRemoteGattDescriptorMac::WriteRemoteDescriptor(
+    const std::vector<uint8_t>& new_value,
+    const base::Closure& callback,
+    const ErrorCallback& error_callback) {
+  NOTIMPLEMENTED();
+}
+
+CBDescriptor* BluetoothRemoteGattDescriptorMac::GetCBDescriptor() const {
+  return cb_descriptor_.get();
+}
+
+}  // namespace device.