| // 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/usb_device.h" |
| |
| #include "base/guid.h" |
| #include "device/usb/usb_device_handle.h" |
| #include "device/usb/webusb_descriptors.h" |
| |
| namespace device { |
| |
| UsbDevice::Observer::~Observer() {} |
| |
| void UsbDevice::Observer::OnDeviceRemoved(scoped_refptr<UsbDevice> device) {} |
| |
| UsbDevice::UsbDevice() : guid_(base::GenerateGUID()) {} |
| |
| UsbDevice::UsbDevice(const UsbDeviceDescriptor& descriptor, |
| const base::string16& manufacturer_string, |
| const base::string16& product_string, |
| const base::string16& serial_number) |
| : descriptor_(descriptor), |
| manufacturer_string_(manufacturer_string), |
| product_string_(product_string), |
| serial_number_(serial_number), |
| guid_(base::GenerateGUID()) {} |
| |
| UsbDevice::UsbDevice(uint16_t usb_version, |
| uint8_t device_class, |
| uint8_t device_subclass, |
| uint8_t device_protocol, |
| uint16_t vendor_id, |
| uint16_t product_id, |
| uint16_t device_version, |
| const base::string16& manufacturer_string, |
| const base::string16& product_string, |
| const base::string16& serial_number) |
| : manufacturer_string_(manufacturer_string), |
| product_string_(product_string), |
| serial_number_(serial_number), |
| guid_(base::GenerateGUID()) { |
| descriptor_.usb_version = usb_version; |
| descriptor_.device_class = device_class; |
| descriptor_.device_subclass = device_subclass; |
| descriptor_.device_protocol = device_protocol; |
| descriptor_.vendor_id = vendor_id; |
| descriptor_.product_id = product_id; |
| descriptor_.device_version = device_version; |
| } |
| |
| UsbDevice::~UsbDevice() {} |
| |
| void UsbDevice::CheckUsbAccess(const ResultCallback& callback) { |
| // By default assume that access to the device is allowed. This is implemented |
| // on Chrome OS by checking with permission_broker. |
| callback.Run(true); |
| } |
| |
| void UsbDevice::RequestPermission(const ResultCallback& callback) { |
| // By default assume that access to the device is allowed. This is implemented |
| // on Android by calling android.hardware.usb.UsbManger.requestPermission. |
| callback.Run(true); |
| } |
| |
| bool UsbDevice::permission_granted() const { |
| return true; |
| } |
| |
| void UsbDevice::AddObserver(Observer* observer) { |
| observer_list_.AddObserver(observer); |
| } |
| |
| void UsbDevice::RemoveObserver(Observer* observer) { |
| observer_list_.RemoveObserver(observer); |
| } |
| |
| void UsbDevice::ActiveConfigurationChanged(int configuration_value) { |
| for (const auto& config : configurations()) { |
| if (config.configuration_value == configuration_value) { |
| active_configuration_ = &config; |
| return; |
| } |
| } |
| } |
| |
| void UsbDevice::NotifyDeviceRemoved() { |
| for (auto& observer : observer_list_) |
| observer.OnDeviceRemoved(this); |
| } |
| |
| void UsbDevice::OnDisconnect() { |
| // Swap out the handle list as HandleClosed() will try to modify it. |
| std::list<UsbDeviceHandle*> handles; |
| handles.swap(handles_); |
| for (auto* handle : handles_) |
| handle->Close(); |
| } |
| |
| void UsbDevice::HandleClosed(UsbDeviceHandle* handle) { |
| handles_.remove(handle); |
| } |
| |
| } // namespace device |