components/usb_service/usb_interface.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_USB_SERVICE_USB_INTERFACE_H_
   6 #define COMPONENTS_USB_SERVICE_USB_INTERFACE_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "components/usb_service/usb_service_export.h"
  10
  11 namespace usb_service {
  12
  13 enum UsbTransferType {
  14   USB_TRANSFER_CONTROL = 0,
  15   USB_TRANSFER_ISOCHRONOUS,
  16   USB_TRANSFER_BULK,
  17   USB_TRANSFER_INTERRUPT,
  18 };
  19
  20 enum UsbEndpointDirection {
  21   USB_DIRECTION_INBOUND = 0,
  22   USB_DIRECTION_OUTBOUND,
  23 };
  24
  25 enum UsbSynchronizationType {
  26   USB_SYNCHRONIZATION_NONE = 0,
  27   USB_SYNCHRONIZATION_ASYNCHRONOUS,
  28   USB_SYNCHRONIZATION_ADAPTIVE,
  29   USB_SYNCHRONIZATION_SYNCHRONOUS,
  30 };
  31
  32 enum UsbUsageType {
  33   USB_USAGE_DATA = 0,
  34   USB_USAGE_FEEDBACK,
  35   USB_USAGE_EXPLICIT_FEEDBACK
  36 };
  37
  38 class USB_SERVICE_EXPORT UsbEndpointDescriptor
  39     : public base::RefCounted<const UsbEndpointDescriptor> {
  40  public:
  41   virtual int GetAddress() const = 0;
  42   virtual UsbEndpointDirection GetDirection() const = 0;
  43   virtual int GetMaximumPacketSize() const = 0;
  44   virtual UsbSynchronizationType GetSynchronizationType() const = 0;
  45   virtual UsbTransferType GetTransferType() const = 0;
  46   virtual UsbUsageType GetUsageType() const = 0;
  47   virtual int GetPollingInterval() const = 0;
  48
  49  protected:
  50   friend class base::RefCounted<const UsbEndpointDescriptor>;
  51
  52   UsbEndpointDescriptor() {};
  53   virtual ~UsbEndpointDescriptor() {};
  54
  55   DISALLOW_COPY_AND_ASSIGN(UsbEndpointDescriptor);
  56 };
  57
  58 class USB_SERVICE_EXPORT UsbInterfaceAltSettingDescriptor
  59     : public base::RefCounted<const UsbInterfaceAltSettingDescriptor> {
  60  public:
  61   virtual size_t GetNumEndpoints() const = 0;
  62   virtual scoped_refptr<const UsbEndpointDescriptor> GetEndpoint(
  63       size_t index) const = 0;
  64
  65   virtual int GetInterfaceNumber() const = 0;
  66   virtual int GetAlternateSetting() const = 0;
  67   virtual int GetInterfaceClass() const = 0;
  68   virtual int GetInterfaceSubclass() const = 0;
  69   virtual int GetInterfaceProtocol() const = 0;
  70
  71  protected:
  72   friend class base::RefCounted<const UsbInterfaceAltSettingDescriptor>;
  73
  74   UsbInterfaceAltSettingDescriptor() {};
  75   virtual ~UsbInterfaceAltSettingDescriptor() {};
  76
  77   DISALLOW_COPY_AND_ASSIGN(UsbInterfaceAltSettingDescriptor);
  78 };
  79
  80 class USB_SERVICE_EXPORT UsbInterfaceDescriptor
  81     : public base::RefCounted<const UsbInterfaceDescriptor> {
  82  public:
  83   virtual size_t GetNumAltSettings() const = 0;
  84   virtual scoped_refptr<const UsbInterfaceAltSettingDescriptor> GetAltSetting(
  85       size_t index) const = 0;
  86
  87  protected:
  88   friend class base::RefCounted<const UsbInterfaceDescriptor>;
  89
  90   UsbInterfaceDescriptor() {};
  91   virtual ~UsbInterfaceDescriptor() {};
  92
  93   DISALLOW_COPY_AND_ASSIGN(UsbInterfaceDescriptor);
  94 };
  95
  96 class USB_SERVICE_EXPORT UsbConfigDescriptor
  97     : public base::RefCounted<UsbConfigDescriptor> {
  98  public:
  99   virtual size_t GetNumInterfaces() const = 0;
 100   virtual scoped_refptr<const UsbInterfaceDescriptor> GetInterface(
 101       size_t index) const = 0;
 102
 103  protected:
 104   friend class base::RefCounted<UsbConfigDescriptor>;
 105
 106   UsbConfigDescriptor() {};
 107   virtual ~UsbConfigDescriptor() {};
 108
 109   DISALLOW_COPY_AND_ASSIGN(UsbConfigDescriptor);
 110 };
 111
 112 }  // namespace usb_service;
 113
 114 #endif  // COMPONENTS_USB_SERVICE_USB_INTERFACE_H_