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