| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "services/device/usb/scoped_libusb_device_ref.h" |
| |
| #include "services/device/usb/usb_context.h" |
| #include "third_party/libusb/src/libusb/libusb.h" |
| |
| namespace device { |
| |
| ScopedLibusbDeviceRef::ScopedLibusbDeviceRef(libusb_device* device, |
| scoped_refptr<UsbContext> context) |
| : device_(device), context_(std::move(context)) {} |
| |
| ScopedLibusbDeviceRef::ScopedLibusbDeviceRef(ScopedLibusbDeviceRef&& other) |
| : device_(other.device_), context_(std::move(other.context_)) { |
| other.device_ = nullptr; |
| } |
| |
| ScopedLibusbDeviceRef::~ScopedLibusbDeviceRef() { |
| Reset(); |
| } |
| |
| void ScopedLibusbDeviceRef::Reset() { |
| libusb_unref_device(device_); |
| device_ = nullptr; |
| context_.reset(); |
| } |
| |
| bool ScopedLibusbDeviceRef::IsValid() const { |
| return device_ != nullptr; |
| } |
| |
| bool operator==(const ScopedLibusbDeviceRef& ref, libusb_device* device) { |
| return ref.get() == device; |
| } |
| |
| } // namespace device |