third_party/WebKit/Source/modules/webusb/USBInterface.h

// 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.

#ifndef USBInterface_h
#define USBInterface_h

#include "bindings/core/v8/ScriptWrappable.h"
#include "device/usb/public/interfaces/device.mojom-blink.h"
#include "platform/heap/Heap.h"

namespace blink {

class ExceptionState;
class USBAlternateInterface;
class USBConfiguration;
class USBDevice;

class USBInterface : public GarbageCollected<USBInterface>,
                     public ScriptWrappable {
  DEFINE_WRAPPERTYPEINFO();

 public:
  static USBInterface* create(const USBConfiguration*, size_t interfaceIndex);
  static USBInterface* create(const USBConfiguration*,
                              size_t interfaceNumber,
                              ExceptionState&);

  USBInterface(const USBDevice*,
               size_t configurationIndex,
               size_t interfaceIndex);

  const device::usb::blink::InterfaceInfo& info() const;

  uint8_t interfaceNumber() const { return info().interface_number; }
  USBAlternateInterface* alternate() const;
  HeapVector<Member<USBAlternateInterface>> alternates() const;
  bool claimed() const;

  DECLARE_TRACE();

 private:
  Member<const USBDevice> m_device;
  const size_t m_configurationIndex;
  const size_t m_interfaceIndex;
};

}  // namespace blink

#endif  // USBInterface_h