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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "modules/webusb/USBEndpoint.h" | 5 #include "modules/webusb/USBEndpoint.h" |
| 6 | 6 |
| 7 #include "bindings/core/v8/ExceptionState.h" | 7 #include "bindings/core/v8/ExceptionState.h" |
| 8 #include "core/dom/DOMException.h" | 8 #include "core/dom/DOMException.h" |
| 9 #include "device/usb/public/interfaces/device.mojom-blink.h" | 9 #include "device/usb/public/interfaces/device.mojom-blink.h" |
| 10 #include "modules/webusb/USBAlternateInterface.h" | 10 #include "modules/webusb/USBAlternateInterface.h" |
| 11 | 11 |
| 12 using device::usb::blink::EndpointType; | 12 using device::mojom::blink::UsbEndpointType; |
| 13 using device::usb::blink::TransferDirection; | 13 using device::mojom::blink::UsbTransferDirection; |
| 14 | 14 |
| 15 namespace blink { | 15 namespace blink { |
| 16 | 16 |
| 17 namespace { | 17 namespace { |
| 18 | 18 |
| 19 String ConvertDirectionToEnum(const TransferDirection& direction) { | 19 String ConvertDirectionToEnum(const UsbTransferDirection& direction) { |
| 20 switch (direction) { | 20 switch (direction) { |
| 21 case TransferDirection::INBOUND: | 21 case UsbTransferDirection::INBOUND: |
| 22 return "in"; | 22 return "in"; |
| 23 case TransferDirection::OUTBOUND: | 23 case UsbTransferDirection::OUTBOUND: |
| 24 return "out"; | 24 return "out"; |
| 25 default: | 25 default: |
| 26 ASSERT_NOT_REACHED(); | 26 ASSERT_NOT_REACHED(); |
| 27 return ""; | 27 return ""; |
| 28 } | 28 } |
| 29 } | 29 } |
| 30 | 30 |
| 31 String ConvertTypeToEnum(const EndpointType& type) { | 31 String ConvertTypeToEnum(const UsbEndpointType& type) { |
| 32 switch (type) { | 32 switch (type) { |
| 33 case EndpointType::BULK: | 33 case UsbEndpointType::BULK: |
| 34 return "bulk"; | 34 return "bulk"; |
| 35 case EndpointType::INTERRUPT: | 35 case UsbEndpointType::INTERRUPT: |
| 36 return "interrupt"; | 36 return "interrupt"; |
| 37 case EndpointType::ISOCHRONOUS: | 37 case UsbEndpointType::ISOCHRONOUS: |
| 38 return "isochronous"; | 38 return "isochronous"; |
| 39 default: | 39 default: |
| 40 ASSERT_NOT_REACHED(); | 40 ASSERT_NOT_REACHED(); |
| 41 return ""; | 41 return ""; |
| 42 } | 42 } |
| 43 } | 43 } |
| 44 | 44 |
| 45 } // namespace | 45 } // namespace |
| 46 | 46 |
| 47 USBEndpoint* USBEndpoint::Create(const USBAlternateInterface* alternate, | 47 USBEndpoint* USBEndpoint::Create(const USBAlternateInterface* alternate, |
| 48 size_t endpoint_index) { | 48 size_t endpoint_index) { |
| 49 return new USBEndpoint(alternate, endpoint_index); | 49 return new USBEndpoint(alternate, endpoint_index); |
| 50 } | 50 } |
| 51 | 51 |
| 52 USBEndpoint* USBEndpoint::Create(const USBAlternateInterface* alternate, | 52 USBEndpoint* USBEndpoint::Create(const USBAlternateInterface* alternate, |
| 53 size_t endpoint_number, | 53 size_t endpoint_number, |
| 54 const String& direction, | 54 const String& direction, |
| 55 ExceptionState& exception_state) { | 55 ExceptionState& exception_state) { |
| 56 TransferDirection mojo_direction = direction == "in" | 56 UsbTransferDirection mojo_direction = direction == "in" |
| 57 ? TransferDirection::INBOUND | 57 ? UsbTransferDirection::INBOUND |
| 58 : TransferDirection::OUTBOUND; | 58 : UsbTransferDirection::OUTBOUND; |
| 59 const auto& endpoints = alternate->Info().endpoints; | 59 const auto& endpoints = alternate->Info().endpoints; |
| 60 for (size_t i = 0; i < endpoints.size(); ++i) { | 60 for (size_t i = 0; i < endpoints.size(); ++i) { |
| 61 const auto& endpoint = endpoints[i]; | 61 const auto& endpoint = endpoints[i]; |
| 62 if (endpoint->endpoint_number == endpoint_number && | 62 if (endpoint->endpoint_number == endpoint_number && |
| 63 endpoint->direction == mojo_direction) | 63 endpoint->direction == mojo_direction) |
| 64 return USBEndpoint::Create(alternate, i); | 64 return USBEndpoint::Create(alternate, i); |
| 65 } | 65 } |
| 66 exception_state.ThrowRangeError( | 66 exception_state.ThrowRangeError( |
| 67 "No such endpoint exists in the given alternate interface."); | 67 "No such endpoint exists in the given alternate interface."); |
| 68 return nullptr; | 68 return nullptr; |
| 69 } | 69 } |
| 70 | 70 |
| 71 USBEndpoint::USBEndpoint(const USBAlternateInterface* alternate, | 71 USBEndpoint::USBEndpoint(const USBAlternateInterface* alternate, |
| 72 size_t endpoint_index) | 72 size_t endpoint_index) |
| 73 : alternate_(alternate), endpoint_index_(endpoint_index) { | 73 : alternate_(alternate), endpoint_index_(endpoint_index) { |
| 74 ASSERT(alternate_); | 74 ASSERT(alternate_); |
| 75 ASSERT(endpoint_index_ < alternate_->Info().endpoints.size()); | 75 ASSERT(endpoint_index_ < alternate_->Info().endpoints.size()); |
| 76 } | 76 } |
| 77 | 77 |
| 78 const device::usb::blink::EndpointInfo& USBEndpoint::Info() const { | 78 const device::mojom::blink::UsbEndpointInfo& USBEndpoint::Info() const { |
| 79 const device::usb::blink::AlternateInterfaceInfo& alternate_info = | 79 const device::mojom::blink::UsbAlternateInterfaceInfo& alternate_info = |
| 80 alternate_->Info(); | 80 alternate_->Info(); |
| 81 ASSERT(endpoint_index_ < alternate_info.endpoints.size()); | 81 ASSERT(endpoint_index_ < alternate_info.endpoints.size()); |
| 82 return *alternate_info.endpoints[endpoint_index_]; | 82 return *alternate_info.endpoints[endpoint_index_]; |
| 83 } | 83 } |
| 84 | 84 |
| 85 String USBEndpoint::direction() const { | 85 String USBEndpoint::direction() const { |
| 86 return ConvertDirectionToEnum(Info().direction); | 86 return ConvertDirectionToEnum(Info().direction); |
| 87 } | 87 } |
| 88 | 88 |
| 89 String USBEndpoint::type() const { | 89 String USBEndpoint::type() const { |
| 90 return ConvertTypeToEnum(Info().type); | 90 return ConvertTypeToEnum(Info().type); |
| 91 } | 91 } |
| 92 | 92 |
| 93 DEFINE_TRACE(USBEndpoint) { | 93 DEFINE_TRACE(USBEndpoint) { |
| 94 visitor->Trace(alternate_); | 94 visitor->Trace(alternate_); |
| 95 } | 95 } |
| 96 | 96 |
| 97 } // namespace blink | 97 } // namespace blink |
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