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// Copyright 2014 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.
#ifndef DEVICE_USB_USB_DEVICE_IMPL_H_
#define DEVICE_USB_USB_DEVICE_IMPL_H_
#include <stdint.h>
#include <string>
#include <utility>
#include "base/files/scoped_file.h"
#include "base/macros.h"
#include "base/threading/thread_checker.h"
#include "build/build_config.h"
#include "device/usb/usb_device.h"
#include "device/usb/webusb_descriptors.h"
namespace base {
class SequencedTaskRunner;
}
namespace device {
struct UsbDeviceDescriptor;
class UsbDeviceLinux : public UsbDevice {
public:
// UsbDevice implementation:
#if defined(OS_CHROMEOS)
void CheckUsbAccess(const ResultCallback& callback) override;
#endif // OS_CHROMEOS
void Open(const OpenCallback& callback) override;
const std::string& device_path() const { return device_path_; }
// These functions are used during enumeration only. The values must not
// change during the object's lifetime.
void set_webusb_allowed_origins(
std::unique_ptr<WebUsbAllowedOrigins> allowed_origins) {
webusb_allowed_origins_ = std::move(allowed_origins);
}
void set_webusb_landing_page(const GURL& url) { webusb_landing_page_ = url; }
protected:
friend class UsbServiceLinux;
// Called by UsbServiceLinux only.
UsbDeviceLinux(const std::string& device_path,
const UsbDeviceDescriptor& descriptor,
const std::string& manufacturer_string,
const std::string& product_string,
const std::string& serial_number,
uint8_t active_configuration,
scoped_refptr<base::SequencedTaskRunner> blocking_task_runner);
~UsbDeviceLinux() override;
private:
#if defined(OS_CHROMEOS)
void OnOpenRequestComplete(const OpenCallback& callback, base::ScopedFD fd);
void OnOpenRequestError(const OpenCallback& callback,
const std::string& error_name,
const std::string& error_message);
#else
void OpenOnBlockingThread(const OpenCallback& callback);
#endif // defined(OS_CHROMEOS)
void Opened(base::ScopedFD fd, const OpenCallback& callback);
base::ThreadChecker thread_checker_;
const std::string device_path_;
scoped_refptr<base::SequencedTaskRunner> task_runner_;
scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
DISALLOW_COPY_AND_ASSIGN(UsbDeviceLinux);
};
} // namespace device
#endif // DEVICE_USB_USB_DEVICE_IMPL_H_
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