third_party/WebKit/Source/modules/webusb/USBAlternateInterface.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 USBAlternateInterface_h
#define USBAlternateInterface_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 USBEndpoint;
class USBInterface;

class USBAlternateInterface
    : public GarbageCollected<USBAlternateInterface>
    , public ScriptWrappable {
    DEFINE_WRAPPERTYPEINFO();
public:
    static USBAlternateInterface* create(const USBInterface*, size_t alternateIndex);
    static USBAlternateInterface* create(const USBInterface*, size_t alternateSetting, ExceptionState&);

    USBAlternateInterface(const USBInterface*, size_t alternateIndex);

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

    uint8_t alternateSetting() const { return info().alternate_setting; }
    uint8_t interfaceClass() const { return info().class_code; }
    uint8_t interfaceSubclass() const { return info().subclass_code; }
    uint8_t interfaceProtocol() const { return info().protocol_code; }
    String interfaceName() const { return info().interface_name; }
    HeapVector<Member<USBEndpoint>> endpoints() const;

    DECLARE_TRACE();

private:
    Member<const USBInterface> m_interface;
    const size_t m_alternateIndex;
};

} // namespace blink

#endif // USBAlternateInterface_h