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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 "content/renderer/usb/web_usb_device_impl.h" | |
| 6 | |
| 7 #include <utility> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/callback.h" | |
| 11 #include "base/strings/utf_string_conversions.h" | |
| 12 #include "content/child/mojo/type_converters.h" | |
| 13 #include "content/child/scoped_web_callbacks.h" | |
| 14 #include "content/renderer/usb/type_converters.h" | |
| 15 #include "mojo/shell/public/cpp/connect.h" | |
| 16 #include "mojo/shell/public/interfaces/connector.mojom.h" | |
| 17 #include "third_party/WebKit/public/platform/WebVector.h" | |
| 18 #include "third_party/WebKit/public/platform/modules/webusb/WebUSBDeviceInfo.h" | |
| 19 #include "third_party/WebKit/public/platform/modules/webusb/WebUSBTransferInfo.h
" | |
| 20 | |
| 21 namespace content { | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 const char kClaimInterfaceFailed[] = "Unable to claim interface."; | |
| 26 const char kClearHaltFailed[] = "Unable to clear endpoint."; | |
| 27 const char kDeviceAlreadyOpen[] = "Device has already been opened."; | |
| 28 const char kDeviceNoAccess[] = "Access denied."; | |
| 29 const char kDeviceUnavailable[] = "Device unavailable."; | |
| 30 const char kDeviceResetFailed[] = "Unable to reset the device."; | |
| 31 const char kReleaseInterfaceFailed[] = "Unable to release interface."; | |
| 32 const char kSetConfigurationFailed[] = "Unable to set device configuration."; | |
| 33 const char kSetInterfaceFailed[] = "Unable to set device interface."; | |
| 34 const char kTransferFailed[] = "Transfer failed."; | |
| 35 | |
| 36 // Generic default rejection handler for any WebUSB callbacks type. Assumes | |
| 37 // |CallbacksType| is a blink::WebCallbacks<T, const blink::WebUSBError&> | |
| 38 // for any type |T|. | |
| 39 template <typename CallbacksType> | |
| 40 void RejectWithError(const blink::WebUSBError& error, | |
| 41 scoped_ptr<CallbacksType> callbacks) { | |
| 42 callbacks->onError(error); | |
| 43 } | |
| 44 | |
| 45 template <typename CallbacksType> | |
| 46 void RejectWithTransferError(scoped_ptr<CallbacksType> callbacks) { | |
| 47 RejectWithError(blink::WebUSBError(blink::WebUSBError::Error::Network, | |
| 48 base::ASCIIToUTF16(kTransferFailed)), | |
| 49 std::move(callbacks)); | |
| 50 } | |
| 51 | |
| 52 // Create a new ScopedWebCallbacks for WebUSB device callbacks, defaulting to | |
| 53 // a "device unavailable" rejection. | |
| 54 template <typename CallbacksType> | |
| 55 ScopedWebCallbacks<CallbacksType> MakeScopedUSBCallbacks( | |
| 56 CallbacksType* callbacks) { | |
| 57 return make_scoped_web_callbacks( | |
| 58 callbacks, | |
| 59 base::Bind(&RejectWithError<CallbacksType>, | |
| 60 blink::WebUSBError(blink::WebUSBError::Error::NotFound, | |
| 61 base::ASCIIToUTF16(kDeviceUnavailable)))); | |
| 62 } | |
| 63 | |
| 64 void OnOpenDevice( | |
| 65 ScopedWebCallbacks<blink::WebUSBDeviceOpenCallbacks> callbacks, | |
| 66 device::usb::OpenDeviceError error) { | |
| 67 auto scoped_callbacks = callbacks.PassCallbacks(); | |
| 68 switch(error) { | |
| 69 case device::usb::OpenDeviceError::OK: | |
| 70 scoped_callbacks->onSuccess(); | |
| 71 break; | |
| 72 case device::usb::OpenDeviceError::ACCESS_DENIED: | |
| 73 scoped_callbacks->onError(blink::WebUSBError( | |
| 74 blink::WebUSBError::Error::Security, | |
| 75 base::ASCIIToUTF16(kDeviceNoAccess))); | |
| 76 break; | |
| 77 case device::usb::OpenDeviceError::ALREADY_OPEN: | |
| 78 scoped_callbacks->onError(blink::WebUSBError( | |
| 79 blink::WebUSBError::Error::InvalidState, | |
| 80 base::ASCIIToUTF16(kDeviceAlreadyOpen))); | |
| 81 break; | |
| 82 default: | |
| 83 NOTREACHED(); | |
| 84 } | |
| 85 } | |
| 86 | |
| 87 void OnDeviceClosed( | |
| 88 ScopedWebCallbacks<blink::WebUSBDeviceCloseCallbacks> callbacks) { | |
| 89 callbacks.PassCallbacks()->onSuccess(); | |
| 90 } | |
| 91 | |
| 92 void HandlePassFailDeviceOperation( | |
| 93 ScopedWebCallbacks<blink::WebCallbacks<void, const blink::WebUSBError&>> | |
| 94 callbacks, | |
| 95 const std::string& failure_message, | |
| 96 bool success) { | |
| 97 auto scoped_callbacks = callbacks.PassCallbacks(); | |
| 98 if (success) { | |
| 99 scoped_callbacks->onSuccess(); | |
| 100 } else { | |
| 101 RejectWithError(blink::WebUSBError(blink::WebUSBError::Error::Network, | |
| 102 base::ASCIIToUTF16(failure_message)), | |
| 103 std::move(scoped_callbacks)); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 void OnTransferIn( | |
| 108 ScopedWebCallbacks<blink::WebUSBDeviceTransferCallbacks> callbacks, | |
| 109 device::usb::TransferStatus status, | |
| 110 mojo::Array<uint8_t> data) { | |
| 111 auto scoped_callbacks = callbacks.PassCallbacks(); | |
| 112 blink::WebUSBTransferInfo::Status web_status; | |
| 113 switch (status) { | |
| 114 case device::usb::TransferStatus::COMPLETED: | |
| 115 web_status = blink::WebUSBTransferInfo::Status::Ok; | |
| 116 break; | |
| 117 case device::usb::TransferStatus::STALLED: | |
| 118 web_status = blink::WebUSBTransferInfo::Status::Stall; | |
| 119 break; | |
| 120 case device::usb::TransferStatus::BABBLE: | |
| 121 web_status = blink::WebUSBTransferInfo::Status::Babble; | |
| 122 break; | |
| 123 default: | |
| 124 RejectWithTransferError(std::move(scoped_callbacks)); | |
| 125 return; | |
| 126 } | |
| 127 scoped_ptr<blink::WebUSBTransferInfo> info(new blink::WebUSBTransferInfo()); | |
| 128 info->status.assign( | |
| 129 std::vector<blink::WebUSBTransferInfo::Status>(1, web_status)); | |
| 130 info->data.assign(data); | |
| 131 scoped_callbacks->onSuccess(adoptWebPtr(info.release())); | |
| 132 } | |
| 133 | |
| 134 void OnTransferOut( | |
| 135 ScopedWebCallbacks<blink::WebUSBDeviceTransferCallbacks> callbacks, | |
| 136 size_t bytes_written, | |
| 137 device::usb::TransferStatus status) { | |
| 138 auto scoped_callbacks = callbacks.PassCallbacks(); | |
| 139 blink::WebUSBTransferInfo::Status web_status; | |
| 140 switch (status) { | |
| 141 case device::usb::TransferStatus::COMPLETED: | |
| 142 web_status = blink::WebUSBTransferInfo::Status::Ok; | |
| 143 break; | |
| 144 case device::usb::TransferStatus::STALLED: | |
| 145 web_status = blink::WebUSBTransferInfo::Status::Stall; | |
| 146 break; | |
| 147 default: | |
| 148 RejectWithTransferError(std::move(scoped_callbacks)); | |
| 149 return; | |
| 150 } | |
| 151 // TODO(rockot): Device::ControlTransferOut should expose the number of bytes | |
| 152 // actually transferred so we can send it from here. | |
| 153 scoped_ptr<blink::WebUSBTransferInfo> info(new blink::WebUSBTransferInfo()); | |
| 154 info->status.assign( | |
| 155 std::vector<blink::WebUSBTransferInfo::Status>(1, web_status)); | |
| 156 info->bytesTransferred.assign(std::vector<uint32_t>(1, bytes_written)); | |
| 157 scoped_callbacks->onSuccess(adoptWebPtr(info.release())); | |
| 158 } | |
| 159 | |
| 160 void OnIsochronousTransferIn( | |
| 161 ScopedWebCallbacks<blink::WebUSBDeviceTransferCallbacks> callbacks, | |
| 162 mojo::Array<uint8_t> data, | |
| 163 mojo::Array<device::usb::IsochronousPacketPtr> packets) { | |
| 164 auto scoped_callbacks = callbacks.PassCallbacks(); | |
| 165 scoped_ptr<blink::WebUSBTransferInfo> info(new blink::WebUSBTransferInfo()); | |
| 166 info->data.assign(data); | |
| 167 info->status = | |
| 168 blink::WebVector<blink::WebUSBTransferInfo::Status>(packets.size()); | |
| 169 info->packetLength = blink::WebVector<uint32_t>(packets.size()); | |
| 170 info->bytesTransferred = blink::WebVector<uint32_t>(packets.size()); | |
| 171 for (size_t i = 0; i < packets.size(); ++i) { | |
| 172 switch (packets[i]->status) { | |
| 173 case device::usb::TransferStatus::COMPLETED: | |
| 174 info->status[i] = blink::WebUSBTransferInfo::Status::Ok; | |
| 175 break; | |
| 176 case device::usb::TransferStatus::STALLED: | |
| 177 info->status[i] = blink::WebUSBTransferInfo::Status::Stall; | |
| 178 break; | |
| 179 case device::usb::TransferStatus::BABBLE: | |
| 180 info->status[i] = blink::WebUSBTransferInfo::Status::Babble; | |
| 181 break; | |
| 182 default: | |
| 183 RejectWithTransferError(std::move(scoped_callbacks)); | |
| 184 return; | |
| 185 } | |
| 186 info->packetLength[i] = packets[i]->length; | |
| 187 info->bytesTransferred[i] = packets[i]->transferred_length; | |
| 188 } | |
| 189 scoped_callbacks->onSuccess(adoptWebPtr(info.release())); | |
| 190 } | |
| 191 | |
| 192 void OnIsochronousTransferOut( | |
| 193 ScopedWebCallbacks<blink::WebUSBDeviceTransferCallbacks> callbacks, | |
| 194 mojo::Array<device::usb::IsochronousPacketPtr> packets) { | |
| 195 auto scoped_callbacks = callbacks.PassCallbacks(); | |
| 196 scoped_ptr<blink::WebUSBTransferInfo> info(new blink::WebUSBTransferInfo()); | |
| 197 info->status = | |
| 198 blink::WebVector<blink::WebUSBTransferInfo::Status>(packets.size()); | |
| 199 info->bytesTransferred = blink::WebVector<uint32_t>(packets.size()); | |
| 200 for (size_t i = 0; i < packets.size(); ++i) { | |
| 201 switch (packets[i]->status) { | |
| 202 case device::usb::TransferStatus::COMPLETED: | |
| 203 info->status[i] = blink::WebUSBTransferInfo::Status::Ok; | |
| 204 break; | |
| 205 case device::usb::TransferStatus::STALLED: | |
| 206 info->status[i] = blink::WebUSBTransferInfo::Status::Stall; | |
| 207 break; | |
| 208 default: | |
| 209 RejectWithTransferError(std::move(scoped_callbacks)); | |
| 210 return; | |
| 211 } | |
| 212 info->bytesTransferred[i] = packets[i]->transferred_length; | |
| 213 } | |
| 214 scoped_callbacks->onSuccess(adoptWebPtr(info.release())); | |
| 215 } | |
| 216 | |
| 217 } // namespace | |
| 218 | |
| 219 WebUSBDeviceImpl::WebUSBDeviceImpl(device::usb::DevicePtr device, | |
| 220 const blink::WebUSBDeviceInfo& device_info) | |
| 221 : device_(std::move(device)), | |
| 222 device_info_(device_info), | |
| 223 weak_factory_(this) { | |
| 224 if (device_) | |
| 225 device_.set_connection_error_handler([this]() { device_.reset(); }); | |
| 226 } | |
| 227 | |
| 228 WebUSBDeviceImpl::~WebUSBDeviceImpl() {} | |
| 229 | |
| 230 const blink::WebUSBDeviceInfo& WebUSBDeviceImpl::info() const { | |
| 231 return device_info_; | |
| 232 } | |
| 233 | |
| 234 void WebUSBDeviceImpl::open(blink::WebUSBDeviceOpenCallbacks* callbacks) { | |
| 235 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 236 if (device_) | |
| 237 device_->Open(base::Bind(&OnOpenDevice, base::Passed(&scoped_callbacks))); | |
| 238 } | |
| 239 | |
| 240 void WebUSBDeviceImpl::close(blink::WebUSBDeviceCloseCallbacks* callbacks) { | |
| 241 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 242 if (device_) | |
| 243 device_->Close( | |
| 244 base::Bind(&OnDeviceClosed, base::Passed(&scoped_callbacks))); | |
| 245 } | |
| 246 | |
| 247 void WebUSBDeviceImpl::setConfiguration( | |
| 248 uint8_t configuration_value, | |
| 249 blink::WebUSBDeviceSetConfigurationCallbacks* callbacks) { | |
| 250 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 251 if (device_) | |
| 252 device_->SetConfiguration( | |
| 253 configuration_value, | |
| 254 base::Bind(&HandlePassFailDeviceOperation, | |
| 255 base::Passed(&scoped_callbacks), kSetConfigurationFailed)); | |
| 256 } | |
| 257 | |
| 258 void WebUSBDeviceImpl::claimInterface( | |
| 259 uint8_t interface_number, | |
| 260 blink::WebUSBDeviceClaimInterfaceCallbacks* callbacks) { | |
| 261 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 262 if (device_) | |
| 263 device_->ClaimInterface( | |
| 264 interface_number, | |
| 265 base::Bind(&HandlePassFailDeviceOperation, | |
| 266 base::Passed(&scoped_callbacks), kClaimInterfaceFailed)); | |
| 267 } | |
| 268 | |
| 269 void WebUSBDeviceImpl::releaseInterface( | |
| 270 uint8_t interface_number, | |
| 271 blink::WebUSBDeviceReleaseInterfaceCallbacks* callbacks) { | |
| 272 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 273 if (device_) | |
| 274 device_->ReleaseInterface( | |
| 275 interface_number, | |
| 276 base::Bind(&HandlePassFailDeviceOperation, | |
| 277 base::Passed(&scoped_callbacks), kReleaseInterfaceFailed)); | |
| 278 } | |
| 279 | |
| 280 void WebUSBDeviceImpl::setInterface( | |
| 281 uint8_t interface_number, | |
| 282 uint8_t alternate_setting, | |
| 283 blink::WebUSBDeviceSetInterfaceAlternateSettingCallbacks* callbacks) { | |
| 284 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 285 if (device_) | |
| 286 device_->SetInterfaceAlternateSetting( | |
| 287 interface_number, alternate_setting, | |
| 288 base::Bind(&HandlePassFailDeviceOperation, | |
| 289 base::Passed(&scoped_callbacks), kSetInterfaceFailed)); | |
| 290 } | |
| 291 | |
| 292 void WebUSBDeviceImpl::clearHalt( | |
| 293 uint8_t endpoint_number, | |
| 294 blink::WebUSBDeviceClearHaltCallbacks* callbacks) { | |
| 295 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 296 if (device_) | |
| 297 device_->ClearHalt( | |
| 298 endpoint_number, | |
| 299 base::Bind(&HandlePassFailDeviceOperation, | |
| 300 base::Passed(&scoped_callbacks), kClearHaltFailed)); | |
| 301 } | |
| 302 | |
| 303 void WebUSBDeviceImpl::controlTransfer( | |
| 304 const blink::WebUSBDevice::ControlTransferParameters& parameters, | |
| 305 uint8_t* data, | |
| 306 size_t data_size, | |
| 307 unsigned int timeout, | |
| 308 blink::WebUSBDeviceTransferCallbacks* callbacks) { | |
| 309 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 310 if (!device_) | |
| 311 return; | |
| 312 | |
| 313 device::usb::ControlTransferParamsPtr params = | |
| 314 device::usb::ControlTransferParams::From(parameters); | |
| 315 switch (parameters.direction) { | |
| 316 case WebUSBDevice::TransferDirection::In: | |
| 317 device_->ControlTransferIn( | |
| 318 std::move(params), data_size, timeout, | |
| 319 base::Bind(&OnTransferIn, base::Passed(&scoped_callbacks))); | |
| 320 break; | |
| 321 case WebUSBDevice::TransferDirection::Out: { | |
| 322 std::vector<uint8_t> bytes; | |
| 323 if (data) | |
| 324 bytes.assign(data, data + data_size); | |
| 325 mojo::Array<uint8_t> mojo_bytes; | |
| 326 mojo_bytes.Swap(&bytes); | |
| 327 device_->ControlTransferOut( | |
| 328 std::move(params), std::move(mojo_bytes), timeout, | |
| 329 base::Bind(&OnTransferOut, base::Passed(&scoped_callbacks), | |
| 330 data_size)); | |
| 331 break; | |
| 332 } | |
| 333 default: | |
| 334 NOTREACHED(); | |
| 335 } | |
| 336 } | |
| 337 | |
| 338 void WebUSBDeviceImpl::transfer( | |
| 339 blink::WebUSBDevice::TransferDirection direction, | |
| 340 uint8_t endpoint_number, | |
| 341 uint8_t* data, | |
| 342 size_t data_size, | |
| 343 unsigned int timeout, | |
| 344 blink::WebUSBDeviceTransferCallbacks* callbacks) { | |
| 345 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 346 if (!device_) | |
| 347 return; | |
| 348 | |
| 349 switch (direction) { | |
| 350 case WebUSBDevice::TransferDirection::In: | |
| 351 device_->GenericTransferIn( | |
| 352 endpoint_number, data_size, timeout, | |
| 353 base::Bind(&OnTransferIn, base::Passed(&scoped_callbacks))); | |
| 354 break; | |
| 355 case WebUSBDevice::TransferDirection::Out: { | |
| 356 std::vector<uint8_t> bytes; | |
| 357 if (data) | |
| 358 bytes.assign(data, data + data_size); | |
| 359 mojo::Array<uint8_t> mojo_bytes; | |
| 360 mojo_bytes.Swap(&bytes); | |
| 361 device_->GenericTransferOut( | |
| 362 endpoint_number, std::move(mojo_bytes), timeout, | |
| 363 base::Bind(&OnTransferOut, base::Passed(&scoped_callbacks), | |
| 364 data_size)); | |
| 365 break; | |
| 366 } | |
| 367 default: | |
| 368 NOTREACHED(); | |
| 369 } | |
| 370 } | |
| 371 | |
| 372 void WebUSBDeviceImpl::isochronousTransfer( | |
| 373 blink::WebUSBDevice::TransferDirection direction, | |
| 374 uint8_t endpoint_number, | |
| 375 uint8_t* data, | |
| 376 size_t data_size, | |
| 377 blink::WebVector<uint32_t> packet_lengths, | |
| 378 unsigned int timeout, | |
| 379 blink::WebUSBDeviceTransferCallbacks* callbacks) { | |
| 380 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 381 if (!device_) | |
| 382 return; | |
| 383 | |
| 384 switch (direction) { | |
| 385 case WebUSBDevice::TransferDirection::In: | |
| 386 device_->IsochronousTransferIn( | |
| 387 endpoint_number, mojo::Array<uint32_t>::From(packet_lengths), timeout, | |
| 388 base::Bind(&OnIsochronousTransferIn, | |
| 389 base::Passed(&scoped_callbacks))); | |
| 390 break; | |
| 391 case WebUSBDevice::TransferDirection::Out: { | |
| 392 std::vector<uint8_t> bytes; | |
| 393 if (data) | |
| 394 bytes.assign(data, data + data_size); | |
| 395 mojo::Array<uint8_t> mojo_bytes; | |
| 396 mojo_bytes.Swap(&bytes); | |
| 397 device_->IsochronousTransferOut( | |
| 398 endpoint_number, std::move(mojo_bytes), | |
| 399 mojo::Array<uint32_t>::From(packet_lengths), timeout, | |
| 400 base::Bind(&OnIsochronousTransferOut, | |
| 401 base::Passed(&scoped_callbacks))); | |
| 402 break; | |
| 403 } | |
| 404 default: | |
| 405 NOTREACHED(); | |
| 406 } | |
| 407 } | |
| 408 | |
| 409 void WebUSBDeviceImpl::reset(blink::WebUSBDeviceResetCallbacks* callbacks) { | |
| 410 auto scoped_callbacks = MakeScopedUSBCallbacks(callbacks); | |
| 411 if (device_) | |
| 412 device_->Reset(base::Bind(&HandlePassFailDeviceOperation, | |
| 413 base::Passed(&scoped_callbacks), | |
| 414 kDeviceResetFailed)); | |
| 415 } | |
| 416 | |
| 417 } // namespace content | |
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Chromium Code Reviews
Issue 1850023002:
Consume Mojo services directly in Blink's WebUSB implementation. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master