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| 1 'use strict'; |
| 2 |
| 3 // This polyfil library implements the following WebIDL: |
| 4 // |
| 5 // partial interface USB { |
| 6 // [SameObject] readonly attribute USBTest test; |
| 7 // } |
| 8 // |
| 9 // interface USBTest { |
| 10 // attribute EventHandler ondeviceclose; |
| 11 // attribute DOMString? chosenDevice; |
| 12 // attribute FrozenArray<USBDeviceFilter>? lastFilters; |
| 13 // |
| 14 // Promise<void> initialize(); |
| 15 // Promise<void> attachToWindow(Window window); |
| 16 // DOMString addFakeDevice(FakeUSBDeviceInit deviceInit); |
| 17 // void removeFakeDevice(DOMString); |
| 18 // void reset(); |
| 19 // }; |
| 20 // |
| 21 // dictionary FakeUSBDeviceInit { |
| 22 // octet usbVersionMajor; |
| 23 // octet usbVersionMinor; |
| 24 // octet usbVersionSubminor; |
| 25 // octet deviceClass; |
| 26 // octet deviceSubclass; |
| 27 // octet deviceProtocol; |
| 28 // unsigned short vendorId; |
| 29 // unsigned short productId; |
| 30 // octet deviceVersionMajor; |
| 31 // octet deviceVersionMinor; |
| 32 // octet deviceVersionSubminor; |
| 33 // DOMString? manufacturerName; |
| 34 // DOMString? productName; |
| 35 // DOMString? serialNumber; |
| 36 // octet activeConfigurationValue = 0; |
| 37 // sequence<FakeUSBConfigurationInit> configurations; |
| 38 // }; |
| 39 // |
| 40 // dictionary FakeUSBConfigurationInit { |
| 41 // octet configurationValue; |
| 42 // DOMString? configurationName; |
| 43 // sequence<FakeUSBInterfaceInit> interfaces; |
| 44 // }; |
| 45 // |
| 46 // dictionary FakeUSBInterfaceInit { |
| 47 // octet interfaceNumber; |
| 48 // sequence<FakeUSBAlternateInterfaceInit> alternates; |
| 49 // }; |
| 50 // |
| 51 // dictionary FakeUSBAlternateInterfaceInit { |
| 52 // octet alternateSetting; |
| 53 // octet interfaceClass; |
| 54 // octet interfaceSubclass; |
| 55 // octet interfaceProtocol; |
| 56 // DOMString? interfaceName; |
| 57 // sequence<FakeUSBEndpointInit> endpoints; |
| 58 // }; |
| 59 // |
| 60 // dictionary FakeUSBEndpointInit { |
| 61 // octet endpointNumber; |
| 62 // USBDirection direction; |
| 63 // USBEndpointType type; |
| 64 // unsigned long packetSize; |
| 65 // }; |
| 66 |
| 67 (() => { |
| 68 |
| 69 // The global mojo object contains the Mojo JS binding modules loaded during |
| 70 // initialization. |
| 71 let mojo = null; |
| 72 |
| 73 // These variables are logically members of the USBTest class but are defined |
| 74 // here to hide them from being visible as fields of navigator.usb.test. |
| 75 let g_initializePromise = null; |
| 76 let g_chooserService = null; |
| 77 let g_deviceManager = null; |
| 78 let g_closeListener = null; |
| 79 |
| 80 function fakeDeviceInitToDeviceInfo(guid, init) { |
| 81 let deviceInfo = { |
| 82 guid: guid + "", |
| 83 usb_version_major: init.usbVersionMajor, |
| 84 usb_version_minor: init.usbVersionMinor, |
| 85 usb_version_subminor: init.usbVersionSubminor, |
| 86 class_code: init.deviceClass, |
| 87 subclass_code: init.deviceSubclass, |
| 88 protocol_code: init.deviceProtocol, |
| 89 vendor_id: init.vendorId, |
| 90 product_id: init.productId, |
| 91 device_version_major: init.deviceVersionMajor, |
| 92 device_version_minor: init.deviceVersionMinor, |
| 93 device_version_subminor: init.deviceVersionSubminor, |
| 94 manufacturer_name: init.manufacturerName, |
| 95 product_name: init.productName, |
| 96 serial_number: init.serialNumber, |
| 97 active_configuration: init.activeConfigurationValue, |
| 98 configurations: [] |
| 99 }; |
| 100 init.configurations.forEach(config => { |
| 101 var configInfo = { |
| 102 configuration_value: config.configurationValue, |
| 103 configuration_name: config.configurationName, |
| 104 interfaces: [] |
| 105 }; |
| 106 config.interfaces.forEach(iface => { |
| 107 var interfaceInfo = { |
| 108 interface_number: iface.interfaceNumber, |
| 109 alternates: [] |
| 110 }; |
| 111 iface.alternates.forEach(alternate => { |
| 112 var alternateInfo = { |
| 113 alternate_setting: alternate.alternateSetting, |
| 114 class_code: alternate.interfaceClass, |
| 115 subclass_code: alternate.interfaceSubclass, |
| 116 protocol_code: alternate.interfaceProtocol, |
| 117 interface_name: alternate.interfaceName, |
| 118 endpoints: [] |
| 119 }; |
| 120 alternate.endpoints.forEach(endpoint => { |
| 121 var endpointInfo = { |
| 122 endpoint_number: endpoint.endpointNumber, |
| 123 packet_size: endpoint.packetSize, |
| 124 }; |
| 125 switch (endpoint.direction) { |
| 126 case "in": |
| 127 endpointInfo.direction = mojo.device.TransferDirection.INBOUND; |
| 128 break; |
| 129 case "out": |
| 130 endpointInfo.direction = mojo.device.TransferDirection.OUTBOUND; |
| 131 break; |
| 132 } |
| 133 switch (endpoint.type) { |
| 134 case "bulk": |
| 135 endpointInfo.type = mojo.device.EndpointType.BULK; |
| 136 break; |
| 137 case "interrupt": |
| 138 endpointInfo.type = mojo.device.EndpointType.INTERRUPT; |
| 139 break; |
| 140 case "isochronous": |
| 141 endpointInfo.type = mojo.device.EndpointType.ISOCHRONOUS; |
| 142 break; |
| 143 } |
| 144 alternateInfo.endpoints.push(endpointInfo); |
| 145 }); |
| 146 interfaceInfo.alternates.push(alternateInfo); |
| 147 }); |
| 148 configInfo.interfaces.push(interfaceInfo); |
| 149 }); |
| 150 deviceInfo.configurations.push(configInfo); |
| 151 }); |
| 152 return deviceInfo; |
| 153 } |
| 154 |
| 155 function convertMojoDeviceFilters(input) { |
| 156 let output = []; |
| 157 input.forEach(filter => { |
| 158 output.push(convertMojoDeviceFilter(filter)); |
| 159 }); |
| 160 return output; |
| 161 } |
| 162 |
| 163 function convertMojoDeviceFilter(input) { |
| 164 let output = {}; |
| 165 if (input.has_vendor_id) |
| 166 output.vendorId = input.vendor_id; |
| 167 if (input.has_product_id) |
| 168 output.productId = input.product_id; |
| 169 if (input.has_class_code) |
| 170 output.classCode = input.class_code; |
| 171 if (input.has_subclass_code) |
| 172 output.subclassCode = input.subclass_code; |
| 173 if (input.has_protocol_code) |
| 174 output.protocolCode = input.protocol_code; |
| 175 if (input.serial_number) |
| 176 output.serialNumber = input.serial_number; |
| 177 return output; |
| 178 } |
| 179 |
| 180 class FakeDevice { |
| 181 constructor(deviceInit) { |
| 182 this.info_ = deviceInit; |
| 183 this.opened_ = false; |
| 184 this.currentConfiguration_ = null; |
| 185 this.claimedInterfaces_ = new Map(); |
| 186 } |
| 187 |
| 188 getDeviceInfo() { |
| 189 return Promise.resolve({ info: this.info_ }); |
| 190 } |
| 191 |
| 192 getConfiguration() { |
| 193 if (this.currentConfiguration_) { |
| 194 return Promise.resolve({ |
| 195 value: this.currentConfiguration_.configuration_value }); |
| 196 } else { |
| 197 return Promise.resolve({ value: 0 }); |
| 198 } |
| 199 } |
| 200 |
| 201 open() { |
| 202 assert_false(this.opened_); |
| 203 this.opened_ = true; |
| 204 return Promise.resolve({ error: mojo.device.OpenDeviceError.OK }); |
| 205 } |
| 206 |
| 207 close() { |
| 208 assert_true(this.opened_); |
| 209 this.opened_ = false; |
| 210 return Promise.resolve(); |
| 211 } |
| 212 |
| 213 setConfiguration(value) { |
| 214 assert_true(this.opened_); |
| 215 |
| 216 let selected_configuration = this.info_.configurations.find( |
| 217 configuration => configuration.configurationValue == value); |
| 218 // Blink should never request an invalid configuration. |
| 219 assert_false(selected_configuration == undefined); |
| 220 this.currentConfiguration_ = selected_configuration; |
| 221 return Promise.resolve({ success: true }); |
| 222 } |
| 223 |
| 224 claimInterface(interfaceNumber) { |
| 225 assert_true(this.opened_); |
| 226 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 227 assert_false(this.claimedInterfaces_.has(interfaceNumber), |
| 228 'interface already claimed'); |
| 229 |
| 230 // Blink should never request an invalid interface. |
| 231 assert_true(this.currentConfiguration_.interfaces.some( |
| 232 iface => iface.interfaceNumber == interfaceNumber)); |
| 233 this.claimedInterfaces_.set(interfaceNumber, 0); |
| 234 return Promise.resolve({ success: true }); |
| 235 } |
| 236 |
| 237 releaseInterface(interfaceNumber) { |
| 238 assert_true(this.opened_); |
| 239 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 240 assert_true(this.claimedInterfaces_.has(interfaceNumber)); |
| 241 this.claimedInterfaces_.delete(interfaceNumber); |
| 242 return Promise.resolve({ success: true }); |
| 243 } |
| 244 |
| 245 setInterfaceAlternateSetting(interfaceNumber, alternateSetting) { |
| 246 assert_true(this.opened_); |
| 247 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 248 assert_true(this.claimedInterfaces_.has(interfaceNumber)); |
| 249 |
| 250 let iface = this.currentConfiguration_.interfaces.find( |
| 251 iface => iface.interfaceNumber == interfaceNumber); |
| 252 // Blink should never request an invalid interface or alternate. |
| 253 assert_false(iface == undefined); |
| 254 assert_true(iface.alternates.some( |
| 255 x => x.alternateSetting == alternateSetting)); |
| 256 this.claimedInterfaces_.set(interfaceNumber, alternateSetting); |
| 257 return Promise.resolve({ success: true }); |
| 258 } |
| 259 |
| 260 reset() { |
| 261 assert_true(this.opened_); |
| 262 return Promise.resolve({ success: true }); |
| 263 } |
| 264 |
| 265 clearHalt(endpoint) { |
| 266 assert_true(this.opened_); |
| 267 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 268 // TODO(reillyg): Assert that endpoint is valid. |
| 269 return Promise.resolve({ success: true }); |
| 270 } |
| 271 |
| 272 controlTransferIn(params, length, timeout) { |
| 273 assert_true(this.opened_); |
| 274 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 275 return Promise.resolve({ |
| 276 status: mojo.device.TransferStatus.OK, |
| 277 data: [length >> 8, length & 0xff, params.request, params.value >> 8, |
| 278 params.value & 0xff, params.index >> 8, params.index & 0xff] |
| 279 }); |
| 280 } |
| 281 |
| 282 controlTransferOut(params, data, timeout) { |
| 283 assert_true(this.opened_); |
| 284 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 285 return Promise.resolve({ |
| 286 status: mojo.device.TransferStatus.OK, |
| 287 bytesWritten: data.byteLength |
| 288 }); |
| 289 } |
| 290 |
| 291 genericTransferIn(endpointNumber, length, timeout) { |
| 292 assert_true(this.opened_); |
| 293 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 294 // TODO(reillyg): Assert that endpoint is valid. |
| 295 let data = new Array(length); |
| 296 for (let i = 0; i < length; ++i) |
| 297 data[i] = i & 0xff; |
| 298 return Promise.resolve({ |
| 299 status: mojo.device.TransferStatus.OK, |
| 300 data: data |
| 301 }); |
| 302 } |
| 303 |
| 304 genericTransferOut(endpointNumber, data, timeout) { |
| 305 assert_true(this.opened_); |
| 306 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 307 // TODO(reillyg): Assert that endpoint is valid. |
| 308 return Promise.resolve({ |
| 309 status: mojo.device.TransferStatus.OK, |
| 310 bytesWritten: data.byteLength |
| 311 }); |
| 312 } |
| 313 |
| 314 isochronousTransferIn(endpointNumber, packetLengths, timeout) { |
| 315 assert_true(this.opened_); |
| 316 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 317 // TODO(reillyg): Assert that endpoint is valid. |
| 318 let data = new Array(packetLengths.reduce((a, b) => a + b, 0)); |
| 319 let dataOffset = 0; |
| 320 let packets = new Array(packetLengths.length); |
| 321 for (let i = 0; i < packetLengths.length; ++i) { |
| 322 for (let j = 0; j < packetLengths[i]; ++j) |
| 323 data[dataOffset++] = j & 0xff; |
| 324 packets[i] = { |
| 325 length: packetLengths[i], |
| 326 transferred_length: packetLengths[i], |
| 327 status: mojo.device.TransferStatus.OK |
| 328 }; |
| 329 } |
| 330 return Promise.resolve({ data: data, packets: packets }); |
| 331 } |
| 332 |
| 333 isochronousTransferOut(endpointNumber, data, packetLengths, timeout) { |
| 334 assert_true(this.opened_); |
| 335 assert_false(this.currentConfiguration_ == null, 'device configured'); |
| 336 // TODO(reillyg): Assert that endpoint is valid. |
| 337 let packets = new Array(packetLengths.length); |
| 338 for (let i = 0; i < packetLengths.length; ++i) { |
| 339 packets[i] = { |
| 340 length: packetLengths[i], |
| 341 transferred_length: packetLengths[i], |
| 342 status: mojo.device.TransferStatus.OK |
| 343 }; |
| 344 } |
| 345 return Promise.resolve({ packets: packets }); |
| 346 } |
| 347 } |
| 348 |
| 349 class FakeDeviceManager { |
| 350 constructor() { |
| 351 this.bindingSet_ = |
| 352 new mojo.bindings.BindingSet(mojo.deviceManager.DeviceManager); |
| 353 this.devices_ = new Map(); |
| 354 this.client_ = null; |
| 355 } |
| 356 |
| 357 addBinding(handle) { |
| 358 this.bindingSet_.addBinding(this, handle); |
| 359 } |
| 360 |
| 361 addDevice(info) { |
| 362 let device = { |
| 363 guid: this.nextGuid_++ + "", |
| 364 info: info, |
| 365 bindingArray: [] |
| 366 }; |
| 367 this.devices_.set(device.guid, device); |
| 368 if (this.client_) |
| 369 this.client_.onDeviceAdded(fakeDeviceInitToDeviceInfo(device.guid, info)); |
| 370 return device.guid; |
| 371 } |
| 372 |
| 373 removeDevice(guid) { |
| 374 let device = this.devices_.get(guid); |
| 375 for (var binding of device.bindingArray) |
| 376 binding.close(); |
| 377 this.devices_.delete(guid); |
| 378 if (this.client_) { |
| 379 this.client_.onDeviceRemoved( |
| 380 fakeDeviceInitToDeviceInfo(guid, device.info)); |
| 381 } |
| 382 } |
| 383 |
| 384 removeAllDevices() { |
| 385 this.devices_.forEach(device => { |
| 386 for (var binding of device.bindingArray) |
| 387 binding.close(); |
| 388 this.client_.onDeviceRemoved( |
| 389 fakeDeviceInitToDeviceInfo(device.guid, device.info)); |
| 390 }); |
| 391 this.devices_.clear(); |
| 392 } |
| 393 |
| 394 getDevices(options) { |
| 395 let devices = []; |
| 396 this.devices_.forEach(device => { |
| 397 devices.push(fakeDeviceInitToDeviceInfo(device.guid, device.info)); |
| 398 }); |
| 399 return Promise.resolve({ results: devices }); |
| 400 } |
| 401 |
| 402 getDevice(guid, request) { |
| 403 let device = this.devices_.get(guid); |
| 404 if (device) { |
| 405 let binding = new mojo.bindings.Binding( |
| 406 mojo.device.Device, new FakeDevice(device.info), request); |
| 407 binding.setConnectionErrorHandler(() => { |
| 408 if (g_closeListener) |
| 409 g_closeListener(guid); |
| 410 }); |
| 411 device.bindingArray.push(binding); |
| 412 } else { |
| 413 request.close(); |
| 414 } |
| 415 } |
| 416 |
| 417 setClient(client) { |
| 418 this.client_ = client; |
| 419 } |
| 420 } |
| 421 |
| 422 class FakeChooserService { |
| 423 constructor() { |
| 424 this.bindingSet_ = new mojo.bindings.BindingSet( |
| 425 mojo.chooserService.ChooserService); |
| 426 this.chosenDevice_ = null; |
| 427 this.lastFilters_ = null; |
| 428 } |
| 429 |
| 430 addBinding(handle) { |
| 431 this.bindingSet_.addBinding(this, handle); |
| 432 } |
| 433 |
| 434 setChosenDevice(guid) { |
| 435 this.chosenDeviceGuid_ = guid; |
| 436 } |
| 437 |
| 438 getPermission(deviceFilters) { |
| 439 this.lastFilters_ = convertMojoDeviceFilters(deviceFilters); |
| 440 let device = g_deviceManager.devices_.get(this.chosenDeviceGuid_); |
| 441 if (device) { |
| 442 return Promise.resolve({ |
| 443 result: fakeDeviceInitToDeviceInfo(device.guid, device.info) |
| 444 }); |
| 445 } else { |
| 446 return Promise.resolve({ result: null }); |
| 447 } |
| 448 } |
| 449 } |
| 450 |
| 451 class USBTest { |
| 452 constructor() {} |
| 453 |
| 454 initialize() { |
| 455 if (!g_initializePromise) { |
| 456 g_initializePromise = new Promise(resolve => { |
| 457 window.define = gin.define; // Mojo modules expect this. |
| 458 |
| 459 gin.define('WebUSB Test Mocks', [ |
| 460 'content/public/renderer/frame_interfaces', |
| 461 'device/usb/public/interfaces/chooser_service.mojom', |
| 462 'device/usb/public/interfaces/device_manager.mojom', |
| 463 'device/usb/public/interfaces/device.mojom', |
| 464 'mojo/public/js/bindings', |
| 465 'mojo/public/js/core', |
| 466 'mojo/public/js/router', |
| 467 'mojo/public/js/support', |
| 468 ], (frameInterfaces, chooserService, deviceManager, device, |
| 469 bindings, core, router, support) => { |
| 470 delete window.define; // Clean up. |
| 471 |
| 472 mojo = { |
| 473 frameInterfaces: frameInterfaces, |
| 474 chooserService: chooserService, |
| 475 deviceManager: deviceManager, |
| 476 device: device, |
| 477 bindings: bindings, |
| 478 core: core, |
| 479 router: router, |
| 480 support: support |
| 481 }; |
| 482 |
| 483 g_deviceManager = new FakeDeviceManager(); |
| 484 mojo.frameInterfaces.addInterfaceOverrideForTesting( |
| 485 mojo.deviceManager.DeviceManager.name, |
| 486 handle => g_deviceManager.addBinding(handle)); |
| 487 |
| 488 g_chooserService = new FakeChooserService(); |
| 489 mojo.frameInterfaces.addInterfaceOverrideForTesting( |
| 490 mojo.chooserService.ChooserService.name, |
| 491 handle => g_chooserService.addBinding(handle)); |
| 492 |
| 493 resolve(); |
| 494 }); |
| 495 }); |
| 496 } |
| 497 |
| 498 return g_initializePromise; |
| 499 } |
| 500 |
| 501 attachToWindow(otherWindow) { |
| 502 if (!g_deviceManager || !g_chooserService) |
| 503 throw new Error('Call initialize() before attachToWindow().'); |
| 504 |
| 505 return new Promise(resolve => { |
| 506 otherWindow.gin.define( |
| 507 'WebUSB Test Frame Attach', [ |
| 508 'content/public/renderer/frame_interfaces' |
| 509 ], frameInterfaces => { |
| 510 frameInterfaces.addInterfaceOverrideForTesting( |
| 511 mojo.deviceManager.DeviceManager.name, |
| 512 handle => g_deviceManager.addBinding(handle)); |
| 513 frameInterfaces.addInterfaceOverrideForTesting( |
| 514 mojo.chooserService.ChooserService.name, |
| 515 handle => g_chooserService.addBinding(handle)); |
| 516 resolve(); |
| 517 }); |
| 518 }); |
| 519 } |
| 520 |
| 521 addFakeDevice(deviceInit) { |
| 522 if (!g_deviceManager) |
| 523 throw new Error('Call initialize() before addFakeDevice().'); |
| 524 |
| 525 return g_deviceManager.addDevice(deviceInit); |
| 526 } |
| 527 |
| 528 removeFakeDevice(guid) { |
| 529 if (!g_deviceManager) |
| 530 throw new Error('Call initialize() before removeFakeDevice().'); |
| 531 |
| 532 return g_deviceManager.removeDevice(guid); |
| 533 } |
| 534 |
| 535 set ondeviceclose(func) { |
| 536 g_closeListener = func; |
| 537 } |
| 538 |
| 539 set chosenDevice(guid) { |
| 540 if (!g_chooserService) |
| 541 throw new Error('Call initialize() before setting chosenDevice.'); |
| 542 |
| 543 g_chooserService.setChosenDevice(guid); |
| 544 } |
| 545 |
| 546 get lastFilters() { |
| 547 if (!g_chooserService) |
| 548 throw new Error('Call initialize() before getting lastFilters.'); |
| 549 |
| 550 return g_chooserService.lastFilters_; |
| 551 } |
| 552 |
| 553 reset() { |
| 554 if (!g_deviceManager || !g_chooserService) |
| 555 throw new Error('Call initialize() before reset().'); |
| 556 |
| 557 g_deviceManager.removeAllDevices(); |
| 558 g_chooserService.setChosenDevice(null); |
| 559 g_closeListener = null; |
| 560 } |
| 561 } |
| 562 |
| 563 navigator.usb.test = new USBTest(); |
| 564 |
| 565 })(); |
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