| // Copyright 2015 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/usb/mojo/device_manager_impl.h" |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "base/bind.h" |
| #include "base/memory/ptr_util.h" |
| #include "device/base/device_client.h" |
| #include "device/usb/mojo/device_impl.h" |
| #include "device/usb/mojo/type_converters.h" |
| #include "device/usb/public/cpp/filter_utils.h" |
| #include "device/usb/public/mojom/device.mojom.h" |
| #include "device/usb/usb_device.h" |
| #include "device/usb/usb_service.h" |
| |
| namespace device { |
| namespace usb { |
| |
| // static |
| std::unique_ptr<DeviceManagerImpl> DeviceManagerImpl::Create( |
| mojom::UsbDeviceManagerRequest request) { |
| DCHECK(DeviceClient::Get()); |
| UsbService* service = DeviceClient::Get()->GetUsbService(); |
| if (!service) |
| return nullptr; |
| |
| auto* device_manager = new DeviceManagerImpl(service); |
| device_manager->binding_.Bind(std::move(request)); |
| return base::WrapUnique(device_manager); |
| } |
| |
| DeviceManagerImpl::DeviceManagerImpl(UsbService* usb_service) |
| : usb_service_(usb_service), |
| observer_(this), |
| binding_(this), |
| weak_factory_(this) { |
| // This object owns itself and will be destroyed if the message pipe it is |
| // bound to is closed, the message loop is destructed, or the UsbService is |
| // shut down. |
| observer_.Add(usb_service_); |
| } |
| |
| DeviceManagerImpl::~DeviceManagerImpl() = default; |
| |
| void DeviceManagerImpl::GetDevices(mojom::UsbEnumerationOptionsPtr options, |
| GetDevicesCallback callback) { |
| usb_service_->GetDevices( |
| base::Bind(&DeviceManagerImpl::OnGetDevices, weak_factory_.GetWeakPtr(), |
| base::Passed(&options), base::Passed(&callback))); |
| } |
| |
| void DeviceManagerImpl::GetDevice(const std::string& guid, |
| mojom::UsbDeviceRequest device_request, |
| mojom::UsbDeviceClientPtr device_client) { |
| scoped_refptr<UsbDevice> device = usb_service_->GetDevice(guid); |
| if (!device) |
| return; |
| |
| DeviceImpl::Create(std::move(device), std::move(device_request), |
| std::move(device_client)); |
| } |
| |
| void DeviceManagerImpl::SetClient(mojom::UsbDeviceManagerClientPtr client) { |
| client_ = std::move(client); |
| } |
| |
| void DeviceManagerImpl::OnGetDevices( |
| mojom::UsbEnumerationOptionsPtr options, |
| GetDevicesCallback callback, |
| const std::vector<scoped_refptr<UsbDevice>>& devices) { |
| std::vector<mojom::UsbDeviceFilterPtr> filters; |
| if (options) |
| filters.swap(options->filters); |
| |
| std::vector<mojom::UsbDeviceInfoPtr> device_infos; |
| for (const auto& device : devices) { |
| if (UsbDeviceFilterMatchesAny(filters, *device)) { |
| device_infos.push_back(mojom::UsbDeviceInfo::From(*device)); |
| } |
| } |
| |
| std::move(callback).Run(std::move(device_infos)); |
| } |
| |
| void DeviceManagerImpl::OnDeviceAdded(scoped_refptr<UsbDevice> device) { |
| if (client_) |
| client_->OnDeviceAdded(mojom::UsbDeviceInfo::From(*device)); |
| } |
| |
| void DeviceManagerImpl::OnDeviceRemoved(scoped_refptr<UsbDevice> device) { |
| if (client_) |
| client_->OnDeviceRemoved(mojom::UsbDeviceInfo::From(*device)); |
| } |
| |
| void DeviceManagerImpl::WillDestroyUsbService() { |
| binding_.Close(); |
| client_.reset(); |
| } |
| |
| } // namespace usb |
| } // namespace device |