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| 1 // Copyright 2015 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_DEVICE_IMPL_H_ | |
| 6 #define DEVICE_USB_DEVICE_IMPL_H_ | |
| 7 | |
| 8 #include "base/callback_forward.h" | |
| 9 #include "base/macros.h" | |
| 10 #include "base/memory/ref_counted.h" | |
| 11 #include "base/memory/weak_ptr.h" | |
| 12 #include "device/usb/public/interfaces/device.mojom.h" | |
| 13 #include "device/usb/usb_device_handle.h" | |
| 14 #include "third_party/mojo/src/mojo/public/cpp/bindings/callback.h" | |
| 15 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h" | |
| 16 #include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h" | |
| 17 | |
| 18 namespace net { | |
| 19 class IOBuffer; | |
| 20 } | |
| 21 | |
| 22 namespace device { | |
| 23 namespace usb { | |
| 24 | |
| 25 // Implementation of the public Device interface. Instances of this class are | |
| 26 // constructed by DeviceManagerImpl and are strongly bound to their MessagePipe | |
| 27 // lifetime. | |
| 28 class DeviceImpl : public Device { | |
| 29 public: | |
| 30 DeviceImpl(scoped_refptr<UsbDeviceHandle> device_handle, | |
| 31 mojo::InterfaceRequest<Device> request); | |
| 32 ~DeviceImpl() override; | |
| 33 | |
| 34 private: | |
| 35 using MojoTransferInCallback = | |
| 36 mojo::Callback<void(TransferStatus, mojo::Array<uint8_t>)>; | |
| 37 | |
| 38 using MojoTransferOutCallback = mojo::Callback<void(TransferStatus)>; | |
| 39 | |
| 40 // Closes the device if it's open. This will always set |handle_| to null. | |
| 41 void CloseHandle(); | |
| 42 | |
| 43 // Handles a UsbDeviceHandle::ClaimInterface response. | |
| 44 void OnClaimInterface(uint8_t interface_number, | |
| 45 const ClaimInterfaceCallback& callback, | |
| 46 bool result); | |
| 47 | |
| 48 // Handles completion of an inbound transfer on the UsbDeviceHandle. | |
| 49 void OnTransferIn(const MojoTransferInCallback& callback, | |
| 50 UsbTransferStatus status, | |
| 51 scoped_refptr<net::IOBuffer> data, | |
| 52 size_t size); | |
| 53 | |
| 54 // Handles completion of an outbound transfer on the UsbDeviceHandle. | |
| 55 void OnTransferOut(const MojoTransferOutCallback& callback, | |
| 56 UsbTransferStatus status, | |
| 57 scoped_refptr<net::IOBuffer> data, | |
| 58 size_t size); | |
| 59 | |
| 60 // Handles completion of an inbound isochronous transfer on the | |
| 61 // UsbDeviceHandle. | |
| 62 void OnIsochronousTransferIn(const IsochronousTransferInCallback& callback, | |
| 63 uint32_t packet_length, | |
| 64 UsbTransferStatus status, | |
| 65 scoped_refptr<net::IOBuffer> data, | |
| 66 size_t size); | |
| 67 | |
| 68 // Handles completion of an outbound isochronous transfer on the | |
| 69 // UsbDeviceHandle. | |
| 70 void OnIsochronousTransferOut(const MojoTransferOutCallback& callback, | |
| 71 UsbTransferStatus status, | |
| 72 scoped_refptr<net::IOBuffer> data, | |
| 73 size_t size); | |
| 74 | |
| 75 // Device implementation: | |
| 76 void Close(const CloseCallback& callback) override; | |
| 77 void GetDeviceInfo(const GetDeviceInfoCallback& callback) override; | |
| 78 void SetConfiguration(uint8_t value, | |
| 79 const SetConfigurationCallback& callback) override; | |
| 80 void ClaimInterface(uint8_t interface_number, | |
| 81 const ClaimInterfaceCallback& callback) override; | |
| 82 void ReleaseInterface(uint8_t interface_number, | |
| 83 const ReleaseInterfaceCallback& callback) override; | |
| 84 void SetInterfaceAlternateSetting( | |
| 85 uint8_t interface_number, | |
| 86 uint8_t alternate_setting, | |
| 87 const SetInterfaceAlternateSettingCallback& callback) override; | |
| 88 void Reset(const ResetCallback& callback) override; | |
| 89 void ControlTransferIn(ControlTransferParamsPtr params, | |
| 90 uint32_t length, | |
| 91 uint32_t timeout, | |
| 92 const ControlTransferInCallback& callback) override; | |
| 93 void ControlTransferOut(ControlTransferParamsPtr params, | |
| 94 mojo::Array<uint8_t> data, | |
| 95 uint32_t timeout, | |
| 96 const ControlTransferOutCallback& callback) override; | |
| 97 void BulkTransferIn(uint8_t endpoint_number, | |
| 98 uint32_t length, | |
| 99 uint32_t timeout, | |
| 100 const BulkTransferInCallback& callback) override; | |
| 101 void BulkTransferOut(uint8_t endpoint_number, | |
| 102 mojo::Array<uint8_t> data, | |
| 103 uint32_t timeout, | |
| 104 const BulkTransferOutCallback& callback) override; | |
| 105 void InterruptTransferIn( | |
| 106 uint8_t endpoint_number, | |
| 107 uint32_t length, | |
| 108 uint32_t timeout, | |
| 109 const InterruptTransferInCallback& callback) override; | |
| 110 void InterruptTransferOut( | |
| 111 uint8_t endpoint_number, | |
| 112 mojo::Array<uint8_t> data, | |
| 113 uint32_t timeout, | |
| 114 const InterruptTransferOutCallback& callback) override; | |
| 115 void IsochronousTransferIn( | |
| 116 uint8_t endpoint_number, | |
| 117 uint32_t num_packets, | |
| 118 uint32_t packet_length, | |
| 119 uint32_t timeout, | |
| 120 const IsochronousTransferInCallback& callback) override; | |
| 121 void IsochronousTransferOut( | |
| 122 uint8_t endpoint_number, | |
| 123 mojo::Array<mojo::Array<uint8_t>> packets, | |
| 124 uint32_t timeout, | |
| 125 const IsochronousTransferOutCallback& callback) override; | |
| 126 | |
| 127 mojo::StrongBinding<Device> binding_; | |
| 128 | |
| 129 // The opened device handle. May be null if the device has been closed. | |
| 130 scoped_refptr<UsbDeviceHandle> device_handle_; | |
| 131 | |
| 132 base::WeakPtrFactory<DeviceImpl> weak_factory_; | |
| 133 | |
| 134 DISALLOW_COPY_AND_ASSIGN(DeviceImpl); | |
| 135 }; | |
| 136 | |
| 137 } // namespace usb | |
| 138 } // namespace device | |
| 139 | |
| 140 #endif // DEVICE_USB_DEVICE_IMPL_H_ | |
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Chromium Code Reviews
Issue 1165223004:
Introduce the devices Mojo app (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master