blob: 1e22ea0d00a97cae18990a350224ea00499f65d7 [file] [log] [blame]
// 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(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)
: usb_version_(usb_version),
device_version_(device_version),
manufacturer_string_(manufacturer_string),
product_string_(product_string),
serial_number_(serial_number),
guid_(base::GenerateGUID()),
device_class_(device_class),
device_subclass_(device_subclass),
device_protocol_(device_protocol),
vendor_id_(vendor_id),
product_id_(product_id) {}
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_EACH_OBSERVER(Observer, observer_list_, 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