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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 #include "config.h" |
| 6 #include "modules/webusb/USBDevice.h" |
| 7 |
| 8 #include "bindings/core/v8/CallbackPromiseAdapter.h" |
| 9 #include "bindings/core/v8/ScriptPromise.h" |
| 10 #include "bindings/core/v8/ScriptPromiseResolver.h" |
| 11 #include "bindings/core/v8/ToV8.h" |
| 12 #include "core/dom/DOMArrayBuffer.h" |
| 13 #include "core/dom/DOMArrayBufferView.h" |
| 14 #include "core/dom/DOMException.h" |
| 15 #include "core/dom/ExceptionCode.h" |
| 16 #include "modules/webusb/USBControlTransferParameters.h" |
| 17 #include "modules/webusb/USBError.h" |
| 18 #include "modules/webusb/USBInTransferResult.h" |
| 19 #include "modules/webusb/USBOutTransferResult.h" |
| 20 #include "public/platform/modules/webusb/WebUSBTransferInfo.h" |
| 21 |
| 22 namespace blink { |
| 23 |
| 24 namespace { |
| 25 |
| 26 DOMException* convertControlTransferParameters( |
| 27 WebUSBDevice::TransferDirection direction, |
| 28 const USBControlTransferParameters& parameters, |
| 29 WebUSBDevice::ControlTransferParameters* webParameters) |
| 30 { |
| 31 webParameters->direction = direction; |
| 32 |
| 33 if (parameters.requestType() == "standard") |
| 34 webParameters->type = WebUSBDevice::RequestTypeStandard; |
| 35 else if (parameters.requestType() == "class") |
| 36 webParameters->type = WebUSBDevice::RequestTypeClass; |
| 37 else if (parameters.requestType() == "vendor") |
| 38 webParameters->type = WebUSBDevice::RequestTypeVendor; |
| 39 else |
| 40 return DOMException::create(AbortError, "The control transfer requestTyp
e parameter is invalid."); |
| 41 |
| 42 if (parameters.recipient() == "device") |
| 43 webParameters->recipient = WebUSBDevice::RequestRecipientDevice; |
| 44 else if (parameters.recipient() == "interface") |
| 45 webParameters->recipient = WebUSBDevice::RequestRecipientInterface; |
| 46 else if (parameters.recipient() == "endpoint") |
| 47 webParameters->recipient = WebUSBDevice::RequestRecipientEndpoint; |
| 48 else if (parameters.recipient() == "other") |
| 49 webParameters->recipient = WebUSBDevice::RequestRecipientOther; |
| 50 else |
| 51 return DOMException::create(AbortError, "The control transfer recipient
parameter is invalid."); |
| 52 |
| 53 webParameters->request = parameters.request(); |
| 54 webParameters->value = parameters.value(); |
| 55 webParameters->index = parameters.index(); |
| 56 return nullptr; |
| 57 } |
| 58 |
| 59 String convertTransferStatus(const WebUSBTransferInfo::Status& status) |
| 60 { |
| 61 switch (status) { |
| 62 case WebUSBTransferInfo::StatusOk: |
| 63 return "ok"; |
| 64 case WebUSBTransferInfo::StatusStall: |
| 65 return "stall"; |
| 66 case WebUSBTransferInfo::StatusBabble: |
| 67 return "babble"; |
| 68 default: |
| 69 ASSERT_NOT_REACHED(); |
| 70 return ""; |
| 71 } |
| 72 } |
| 73 |
| 74 class InputTransferResult { |
| 75 WTF_MAKE_NONCOPYABLE(InputTransferResult); |
| 76 public: |
| 77 using WebType = WebUSBTransferInfo; |
| 78 |
| 79 static USBInTransferResult* take(ScriptPromiseResolver*, PassOwnPtr<WebType>
webTransferInfo) |
| 80 { |
| 81 return USBInTransferResult::create( |
| 82 convertTransferStatus(webTransferInfo->status), |
| 83 DOMArrayBuffer::create(webTransferInfo->data.data(), webTransferInfo
->data.size())); |
| 84 } |
| 85 |
| 86 private: |
| 87 InputTransferResult() = delete; |
| 88 }; |
| 89 |
| 90 class OutputTransferResult { |
| 91 WTF_MAKE_NONCOPYABLE(OutputTransferResult); |
| 92 public: |
| 93 using WebType = WebUSBTransferInfo; |
| 94 |
| 95 static USBOutTransferResult* take(ScriptPromiseResolver*, PassOwnPtr<WebType
> webTransferInfo) |
| 96 { |
| 97 return USBOutTransferResult::create(convertTransferStatus(webTransferInf
o->status), webTransferInfo->bytesWritten); |
| 98 } |
| 99 |
| 100 private: |
| 101 OutputTransferResult() = delete; |
| 102 }; |
| 103 |
| 104 class BufferSource { |
| 105 WTF_MAKE_NONCOPYABLE(BufferSource); |
| 106 public: |
| 107 BufferSource(const ArrayBufferOrArrayBufferView& buffer) : m_buffer(buffer)
{ } |
| 108 |
| 109 uint8_t* data() const |
| 110 { |
| 111 if (m_buffer.isArrayBuffer()) |
| 112 return static_cast<uint8_t*>(m_buffer.getAsArrayBuffer()->data()); |
| 113 return static_cast<uint8_t*>(m_buffer.getAsArrayBufferView()->baseAddres
s()); |
| 114 } |
| 115 |
| 116 unsigned size() const |
| 117 { |
| 118 if (m_buffer.isArrayBuffer()) |
| 119 return m_buffer.getAsArrayBuffer()->byteLength(); |
| 120 return m_buffer.getAsArrayBufferView()->byteLength(); |
| 121 } |
| 122 |
| 123 private: |
| 124 const ArrayBufferOrArrayBufferView& m_buffer; |
| 125 }; |
| 126 |
| 127 } // namespace |
| 128 |
| 129 // static |
| 130 USBDevice* USBDevice::create(PassOwnPtr<WebUSBDevice> device) |
| 131 { |
| 132 return new USBDevice(device); |
| 133 } |
| 134 |
| 135 USBDevice::USBDevice(PassOwnPtr<WebUSBDevice> device) |
| 136 : m_device(device) |
| 137 { |
| 138 } |
| 139 |
| 140 HeapVector<Member<USBConfiguration>> USBDevice::configurations() const |
| 141 { |
| 142 HeapVector<Member<USBConfiguration>> configurations; |
| 143 for (size_t i = 0; i < info().configurations.size(); ++i) |
| 144 configurations.append(USBConfiguration::create(this, i)); |
| 145 return configurations; |
| 146 } |
| 147 |
| 148 ScriptPromise USBDevice::open(ScriptState* scriptState) |
| 149 { |
| 150 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 151 ScriptPromise promise = resolver->promise(); |
| 152 m_device->open(new CallbackPromiseAdapter<void, USBError>(resolver)); |
| 153 return promise; |
| 154 } |
| 155 |
| 156 ScriptPromise USBDevice::close(ScriptState* scriptState) |
| 157 { |
| 158 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 159 ScriptPromise promise = resolver->promise(); |
| 160 m_device->close(new CallbackPromiseAdapter<void, USBError>(resolver)); |
| 161 return promise; |
| 162 } |
| 163 |
| 164 ScriptPromise USBDevice::setConfiguration(ScriptState* scriptState, uint8_t conf
igurationValue) |
| 165 { |
| 166 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 167 ScriptPromise promise = resolver->promise(); |
| 168 m_device->setConfiguration(configurationValue, new CallbackPromiseAdapter<vo
id, USBError>(resolver)); |
| 169 return promise; |
| 170 } |
| 171 |
| 172 ScriptPromise USBDevice::claimInterface(ScriptState* scriptState, uint8_t interf
aceNumber) |
| 173 { |
| 174 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 175 ScriptPromise promise = resolver->promise(); |
| 176 m_device->claimInterface(interfaceNumber, new CallbackPromiseAdapter<void, U
SBError>(resolver)); |
| 177 return promise; |
| 178 } |
| 179 |
| 180 ScriptPromise USBDevice::releaseInterface(ScriptState* scriptState, uint8_t inte
rfaceNumber) |
| 181 { |
| 182 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 183 ScriptPromise promise = resolver->promise(); |
| 184 m_device->releaseInterface(interfaceNumber, new CallbackPromiseAdapter<void,
USBError>(resolver)); |
| 185 return promise; |
| 186 } |
| 187 |
| 188 ScriptPromise USBDevice::setInterface(ScriptState* scriptState, uint8_t interfac
eNumber, uint8_t alternateSetting) |
| 189 { |
| 190 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 191 ScriptPromise promise = resolver->promise(); |
| 192 m_device->setInterface(interfaceNumber, alternateSetting, new CallbackPromis
eAdapter<void, USBError>(resolver)); |
| 193 return promise; |
| 194 } |
| 195 |
| 196 ScriptPromise USBDevice::controlTransferIn(ScriptState* scriptState, const USBCo
ntrolTransferParameters& parameters, uint16_t length) |
| 197 { |
| 198 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 199 ScriptPromise promise = resolver->promise(); |
| 200 WebUSBDevice::ControlTransferParameters webParameters; |
| 201 DOMException* error = convertControlTransferParameters(WebUSBDevice::Transfe
rDirectionIn, parameters, &webParameters); |
| 202 if (error) |
| 203 resolver->reject(error); |
| 204 else |
| 205 m_device->controlTransfer(webParameters, nullptr, length, 0, new Callbac
kPromiseAdapter<InputTransferResult, USBError>(resolver)); |
| 206 return promise; |
| 207 } |
| 208 |
| 209 ScriptPromise USBDevice::controlTransferOut(ScriptState* scriptState, const USBC
ontrolTransferParameters& parameters) |
| 210 { |
| 211 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 212 ScriptPromise promise = resolver->promise(); |
| 213 WebUSBDevice::ControlTransferParameters webParameters; |
| 214 DOMException* error = convertControlTransferParameters(WebUSBDevice::Transfe
rDirectionOut, parameters, &webParameters); |
| 215 if (error) |
| 216 resolver->reject(error); |
| 217 else |
| 218 m_device->controlTransfer(webParameters, nullptr, 0, 0, new CallbackProm
iseAdapter<OutputTransferResult, USBError>(resolver)); |
| 219 return promise; |
| 220 } |
| 221 |
| 222 |
| 223 ScriptPromise USBDevice::controlTransferOut(ScriptState* scriptState, const USBC
ontrolTransferParameters& parameters, const ArrayBufferOrArrayBufferView& data) |
| 224 { |
| 225 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 226 ScriptPromise promise = resolver->promise(); |
| 227 WebUSBDevice::ControlTransferParameters webParameters; |
| 228 DOMException* error = convertControlTransferParameters(WebUSBDevice::Transfe
rDirectionOut, parameters, &webParameters); |
| 229 if (error) { |
| 230 resolver->reject(error); |
| 231 } else { |
| 232 BufferSource buffer(data); |
| 233 m_device->controlTransfer(webParameters, buffer.data(), buffer.size(), 0
, new CallbackPromiseAdapter<OutputTransferResult, USBError>(resolver)); |
| 234 } |
| 235 return promise; |
| 236 } |
| 237 |
| 238 ScriptPromise USBDevice::clearHalt(ScriptState* scriptState, uint8_t endpointNum
ber) |
| 239 { |
| 240 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 241 ScriptPromise promise = resolver->promise(); |
| 242 m_device->clearHalt(endpointNumber, new CallbackPromiseAdapter<void, USBErro
r>(resolver)); |
| 243 return promise; |
| 244 } |
| 245 |
| 246 ScriptPromise USBDevice::transferIn(ScriptState* scriptState, uint8_t endpointNu
mber, unsigned length) |
| 247 { |
| 248 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 249 ScriptPromise promise = resolver->promise(); |
| 250 m_device->transfer(WebUSBDevice::TransferDirectionIn, endpointNumber, nullpt
r, length, 0, new CallbackPromiseAdapter<InputTransferResult, USBError>(resolver
)); |
| 251 return promise; |
| 252 } |
| 253 |
| 254 ScriptPromise USBDevice::transferOut(ScriptState* scriptState, uint8_t endpointN
umber, const ArrayBufferOrArrayBufferView& data) |
| 255 { |
| 256 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 257 ScriptPromise promise = resolver->promise(); |
| 258 BufferSource buffer(data); |
| 259 m_device->transfer(WebUSBDevice::TransferDirectionOut, endpointNumber, buffe
r.data(), buffer.size(), 0, new CallbackPromiseAdapter<OutputTransferResult, USB
Error>(resolver)); |
| 260 return promise; |
| 261 } |
| 262 |
| 263 ScriptPromise USBDevice::reset(ScriptState* scriptState) |
| 264 { |
| 265 RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::
create(scriptState); |
| 266 ScriptPromise promise = resolver->promise(); |
| 267 m_device->reset(new CallbackPromiseAdapter<void, USBError>(resolver)); |
| 268 return promise; |
| 269 } |
| 270 |
| 271 } // namespace blink |
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