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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_DEVICES_APP_USB_DEVICE_IMPL_H_ | |
| 6 #define DEVICE_DEVICES_APP_USB_DEVICE_IMPL_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include "base/callback_forward.h" | |
| 11 #include "base/macros.h" | |
| 12 #include "base/memory/ref_counted.h" | |
| 13 #include "base/memory/weak_ptr.h" | |
| 14 #include "device/devices_app/usb/public/interfaces/device.mojom.h" | |
| 15 #include "device/devices_app/usb/public/interfaces/permission_provider.mojom.h" | |
| 16 #include "device/usb/usb_device_handle.h" | |
| 17 #include "mojo/public/cpp/bindings/binding.h" | |
| 18 #include "mojo/public/cpp/bindings/callback.h" | |
| 19 #include "mojo/public/cpp/bindings/interface_request.h" | |
| 20 | |
| 21 namespace net { | |
| 22 class IOBuffer; | |
| 23 } | |
| 24 | |
| 25 namespace device { | |
| 26 namespace usb { | |
| 27 | |
| 28 // Implementation of the public Device interface. Instances of this class are | |
| 29 // constructed by DeviceManagerImpl and are strongly bound to their MessagePipe | |
| 30 // lifetime. | |
| 31 class DeviceImpl : public Device { | |
| 32 public: | |
| 33 DeviceImpl(scoped_refptr<UsbDevice> device, | |
| 34 PermissionProviderPtr permission_provider, | |
| 35 mojo::InterfaceRequest<Device> request); | |
| 36 ~DeviceImpl() override; | |
| 37 | |
| 38 private: | |
| 39 // Closes the device if it's open. This will always set |device_handle_| to | |
| 40 // null. | |
| 41 void CloseHandle(); | |
| 42 | |
| 43 // Checks interface permissions for control transfers. | |
| 44 void HasControlTransferPermission(ControlTransferRecipient recipient, | |
| 45 uint16_t index, | |
| 46 const base::Callback<void(bool)>& callback); | |
| 47 | |
| 48 // Handles completion of an open request. | |
| 49 void OnOpen(const OpenCallback& callback, | |
| 50 scoped_refptr<device::UsbDeviceHandle> handle); | |
| 51 | |
| 52 // Device implementation: | |
| 53 void GetDeviceInfo(const GetDeviceInfoCallback& callback) override; | |
| 54 void GetConfiguration(const GetConfigurationCallback& callback) override; | |
| 55 void Open(const OpenCallback& callback) override; | |
| 56 void Close(const CloseCallback& callback) override; | |
| 57 void SetConfiguration(uint8_t value, | |
| 58 const SetConfigurationCallback& callback) override; | |
| 59 void ClaimInterface(uint8_t interface_number, | |
| 60 const ClaimInterfaceCallback& callback) override; | |
| 61 void ReleaseInterface(uint8_t interface_number, | |
| 62 const ReleaseInterfaceCallback& callback) override; | |
| 63 void SetInterfaceAlternateSetting( | |
| 64 uint8_t interface_number, | |
| 65 uint8_t alternate_setting, | |
| 66 const SetInterfaceAlternateSettingCallback& callback) override; | |
| 67 void Reset(const ResetCallback& callback) override; | |
| 68 void ClearHalt(uint8_t endpoint, const ClearHaltCallback& callback) override; | |
| 69 void ControlTransferIn(ControlTransferParamsPtr params, | |
| 70 uint32_t length, | |
| 71 uint32_t timeout, | |
| 72 const ControlTransferInCallback& callback) override; | |
| 73 void ControlTransferOut(ControlTransferParamsPtr params, | |
| 74 mojo::Array<uint8_t> data, | |
| 75 uint32_t timeout, | |
| 76 const ControlTransferOutCallback& callback) override; | |
| 77 void GenericTransferIn(uint8_t endpoint_number, | |
| 78 uint32_t length, | |
| 79 uint32_t timeout, | |
| 80 const GenericTransferInCallback& callback) override; | |
| 81 void GenericTransferOut(uint8_t endpoint_number, | |
| 82 mojo::Array<uint8_t> data, | |
| 83 uint32_t timeout, | |
| 84 const GenericTransferOutCallback& callback) override; | |
| 85 void IsochronousTransferIn( | |
| 86 uint8_t endpoint_number, | |
| 87 mojo::Array<uint32_t> packet_lengths, | |
| 88 uint32_t timeout, | |
| 89 const IsochronousTransferInCallback& callback) override; | |
| 90 void IsochronousTransferOut( | |
| 91 uint8_t endpoint_number, | |
| 92 mojo::Array<uint8_t> data, | |
| 93 mojo::Array<uint32_t> packet_lengths, | |
| 94 uint32_t timeout, | |
| 95 const IsochronousTransferOutCallback& callback) override; | |
| 96 | |
| 97 mojo::Binding<Device> binding_; | |
| 98 | |
| 99 scoped_refptr<UsbDevice> device_; | |
| 100 // The device handle. Will be null before the device is opened and after it | |
| 101 // has been closed. | |
| 102 scoped_refptr<UsbDeviceHandle> device_handle_; | |
| 103 PermissionProviderPtr permission_provider_; | |
| 104 | |
| 105 base::WeakPtrFactory<DeviceImpl> weak_factory_; | |
| 106 | |
| 107 DISALLOW_COPY_AND_ASSIGN(DeviceImpl); | |
| 108 }; | |
| 109 | |
| 110 } // namespace usb | |
| 111 } // namespace device | |
| 112 | |
| 113 #endif // DEVICE_DEVICES_APP_USB_DEVICE_IMPL_H_ | |
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