| 'use strict'; |
| |
| // This polyfil library implements the following WebIDL: |
| // |
| // partial interface USB { |
| // [SameObject] readonly attribute USBTest test; |
| // } |
| // |
| // interface USBTest { |
| // attribute EventHandler ondeviceclose; |
| // attribute FakeUSBDevice? chosenDevice; |
| // attribute FrozenArray<USBDeviceFilter>? lastFilters; |
| // |
| // Promise<void> initialize(); |
| // Promise<void> attachToWindow(Window window); |
| // FakeUSBDevice addFakeDevice(FakeUSBDeviceInit deviceInit); |
| // void reset(); |
| // }; |
| // |
| // interface FakeUSBDevice { |
| // void disconnect(); |
| // }; |
| // |
| // dictionary FakeUSBDeviceInit { |
| // octet usbVersionMajor; |
| // octet usbVersionMinor; |
| // octet usbVersionSubminor; |
| // octet deviceClass; |
| // octet deviceSubclass; |
| // octet deviceProtocol; |
| // unsigned short vendorId; |
| // unsigned short productId; |
| // octet deviceVersionMajor; |
| // octet deviceVersionMinor; |
| // octet deviceVersionSubminor; |
| // DOMString? manufacturerName; |
| // DOMString? productName; |
| // DOMString? serialNumber; |
| // octet activeConfigurationValue = 0; |
| // sequence<FakeUSBConfigurationInit> configurations; |
| // }; |
| // |
| // dictionary FakeUSBConfigurationInit { |
| // octet configurationValue; |
| // DOMString? configurationName; |
| // sequence<FakeUSBInterfaceInit> interfaces; |
| // }; |
| // |
| // dictionary FakeUSBInterfaceInit { |
| // octet interfaceNumber; |
| // sequence<FakeUSBAlternateInterfaceInit> alternates; |
| // }; |
| // |
| // dictionary FakeUSBAlternateInterfaceInit { |
| // octet alternateSetting; |
| // octet interfaceClass; |
| // octet interfaceSubclass; |
| // octet interfaceProtocol; |
| // DOMString? interfaceName; |
| // sequence<FakeUSBEndpointInit> endpoints; |
| // }; |
| // |
| // dictionary FakeUSBEndpointInit { |
| // octet endpointNumber; |
| // USBDirection direction; |
| // USBEndpointType type; |
| // unsigned long packetSize; |
| // }; |
| |
| (() => { |
| |
| // The global mojo object contains the Mojo JS binding modules loaded during |
| // initialization. |
| let mojo = null; |
| |
| // These variables are logically members of the USBTest class but are defined |
| // here to hide them from being visible as fields of navigator.usb.test. |
| let g_initializePromise = null; |
| let g_chooserService = null; |
| let g_deviceManager = null; |
| let g_closeListener = null; |
| let g_nextGuid = 0; |
| |
| function fakeDeviceInitToDeviceInfo(guid, init) { |
| let deviceInfo = { |
| guid: guid + "", |
| usb_version_major: init.usbVersionMajor, |
| usb_version_minor: init.usbVersionMinor, |
| usb_version_subminor: init.usbVersionSubminor, |
| class_code: init.deviceClass, |
| subclass_code: init.deviceSubclass, |
| protocol_code: init.deviceProtocol, |
| vendor_id: init.vendorId, |
| product_id: init.productId, |
| device_version_major: init.deviceVersionMajor, |
| device_version_minor: init.deviceVersionMinor, |
| device_version_subminor: init.deviceVersionSubminor, |
| manufacturer_name: init.manufacturerName, |
| product_name: init.productName, |
| serial_number: init.serialNumber, |
| active_configuration: init.activeConfigurationValue, |
| configurations: [] |
| }; |
| init.configurations.forEach(config => { |
| var configInfo = { |
| configuration_value: config.configurationValue, |
| configuration_name: config.configurationName, |
| interfaces: [] |
| }; |
| config.interfaces.forEach(iface => { |
| var interfaceInfo = { |
| interface_number: iface.interfaceNumber, |
| alternates: [] |
| }; |
| iface.alternates.forEach(alternate => { |
| var alternateInfo = { |
| alternate_setting: alternate.alternateSetting, |
| class_code: alternate.interfaceClass, |
| subclass_code: alternate.interfaceSubclass, |
| protocol_code: alternate.interfaceProtocol, |
| interface_name: alternate.interfaceName, |
| endpoints: [] |
| }; |
| alternate.endpoints.forEach(endpoint => { |
| var endpointInfo = { |
| endpoint_number: endpoint.endpointNumber, |
| packet_size: endpoint.packetSize, |
| }; |
| switch (endpoint.direction) { |
| case "in": |
| endpointInfo.direction = mojo.device.UsbTransferDirection.INBOUND; |
| break; |
| case "out": |
| endpointInfo.direction = mojo.device.UsbTransferDirection.OUTBOUND; |
| break; |
| } |
| switch (endpoint.type) { |
| case "bulk": |
| endpointInfo.type = mojo.device.UsbEndpointType.BULK; |
| break; |
| case "interrupt": |
| endpointInfo.type = mojo.device.UsbEndpointType.INTERRUPT; |
| break; |
| case "isochronous": |
| endpointInfo.type = mojo.device.UsbEndpointType.ISOCHRONOUS; |
| break; |
| } |
| alternateInfo.endpoints.push(endpointInfo); |
| }); |
| interfaceInfo.alternates.push(alternateInfo); |
| }); |
| configInfo.interfaces.push(interfaceInfo); |
| }); |
| deviceInfo.configurations.push(configInfo); |
| }); |
| return deviceInfo; |
| } |
| |
| function convertMojoDeviceFilters(input) { |
| let output = []; |
| input.forEach(filter => { |
| output.push(convertMojoDeviceFilter(filter)); |
| }); |
| return output; |
| } |
| |
| function convertMojoDeviceFilter(input) { |
| let output = {}; |
| if (input.has_vendor_id) |
| output.vendorId = input.vendor_id; |
| if (input.has_product_id) |
| output.productId = input.product_id; |
| if (input.has_class_code) |
| output.classCode = input.class_code; |
| if (input.has_subclass_code) |
| output.subclassCode = input.subclass_code; |
| if (input.has_protocol_code) |
| output.protocolCode = input.protocol_code; |
| if (input.serial_number) |
| output.serialNumber = input.serial_number; |
| return output; |
| } |
| |
| class FakeDevice { |
| constructor(deviceInit) { |
| this.info_ = deviceInit; |
| this.opened_ = false; |
| this.currentConfiguration_ = null; |
| this.claimedInterfaces_ = new Map(); |
| } |
| |
| getConfiguration() { |
| if (this.currentConfiguration_) { |
| return Promise.resolve({ |
| value: this.currentConfiguration_.configuration_value }); |
| } else { |
| return Promise.resolve({ value: 0 }); |
| } |
| } |
| |
| open() { |
| assert_false(this.opened_); |
| this.opened_ = true; |
| return Promise.resolve({ error: mojo.device.UsbOpenDeviceError.OK }); |
| } |
| |
| close() { |
| assert_true(this.opened_); |
| this.opened_ = false; |
| return Promise.resolve(); |
| } |
| |
| setConfiguration(value) { |
| assert_true(this.opened_); |
| |
| let selected_configuration = this.info_.configurations.find( |
| configuration => configuration.configurationValue == value); |
| // Blink should never request an invalid configuration. |
| assert_false(selected_configuration == undefined); |
| this.currentConfiguration_ = selected_configuration; |
| return Promise.resolve({ success: true }); |
| } |
| |
| claimInterface(interfaceNumber) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| assert_false(this.claimedInterfaces_.has(interfaceNumber), |
| 'interface already claimed'); |
| |
| // Blink should never request an invalid interface. |
| assert_true(this.currentConfiguration_.interfaces.some( |
| iface => iface.interfaceNumber == interfaceNumber)); |
| this.claimedInterfaces_.set(interfaceNumber, 0); |
| return Promise.resolve({ success: true }); |
| } |
| |
| releaseInterface(interfaceNumber) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| assert_true(this.claimedInterfaces_.has(interfaceNumber)); |
| this.claimedInterfaces_.delete(interfaceNumber); |
| return Promise.resolve({ success: true }); |
| } |
| |
| setInterfaceAlternateSetting(interfaceNumber, alternateSetting) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| assert_true(this.claimedInterfaces_.has(interfaceNumber)); |
| |
| let iface = this.currentConfiguration_.interfaces.find( |
| iface => iface.interfaceNumber == interfaceNumber); |
| // Blink should never request an invalid interface or alternate. |
| assert_false(iface == undefined); |
| assert_true(iface.alternates.some( |
| x => x.alternateSetting == alternateSetting)); |
| this.claimedInterfaces_.set(interfaceNumber, alternateSetting); |
| return Promise.resolve({ success: true }); |
| } |
| |
| reset() { |
| assert_true(this.opened_); |
| return Promise.resolve({ success: true }); |
| } |
| |
| clearHalt(endpoint) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| // TODO(reillyg): Assert that endpoint is valid. |
| return Promise.resolve({ success: true }); |
| } |
| |
| controlTransferIn(params, length, timeout) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| return Promise.resolve({ |
| status: mojo.device.UsbTransferStatus.OK, |
| data: [length >> 8, length & 0xff, params.request, params.value >> 8, |
| params.value & 0xff, params.index >> 8, params.index & 0xff] |
| }); |
| } |
| |
| controlTransferOut(params, data, timeout) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| return Promise.resolve({ |
| status: mojo.device.UsbTransferStatus.OK, |
| bytesWritten: data.byteLength |
| }); |
| } |
| |
| genericTransferIn(endpointNumber, length, timeout) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| // TODO(reillyg): Assert that endpoint is valid. |
| let data = new Array(length); |
| for (let i = 0; i < length; ++i) |
| data[i] = i & 0xff; |
| return Promise.resolve({ |
| status: mojo.device.UsbTransferStatus.OK, |
| data: data |
| }); |
| } |
| |
| genericTransferOut(endpointNumber, data, timeout) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| // TODO(reillyg): Assert that endpoint is valid. |
| return Promise.resolve({ |
| status: mojo.device.UsbTransferStatus.OK, |
| bytesWritten: data.byteLength |
| }); |
| } |
| |
| isochronousTransferIn(endpointNumber, packetLengths, timeout) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| // TODO(reillyg): Assert that endpoint is valid. |
| let data = new Array(packetLengths.reduce((a, b) => a + b, 0)); |
| let dataOffset = 0; |
| let packets = new Array(packetLengths.length); |
| for (let i = 0; i < packetLengths.length; ++i) { |
| for (let j = 0; j < packetLengths[i]; ++j) |
| data[dataOffset++] = j & 0xff; |
| packets[i] = { |
| length: packetLengths[i], |
| transferred_length: packetLengths[i], |
| status: mojo.device.UsbTransferStatus.OK |
| }; |
| } |
| return Promise.resolve({ data: data, packets: packets }); |
| } |
| |
| isochronousTransferOut(endpointNumber, data, packetLengths, timeout) { |
| assert_true(this.opened_); |
| assert_false(this.currentConfiguration_ == null, 'device configured'); |
| // TODO(reillyg): Assert that endpoint is valid. |
| let packets = new Array(packetLengths.length); |
| for (let i = 0; i < packetLengths.length; ++i) { |
| packets[i] = { |
| length: packetLengths[i], |
| transferred_length: packetLengths[i], |
| status: mojo.device.UsbTransferStatus.OK |
| }; |
| } |
| return Promise.resolve({ packets: packets }); |
| } |
| } |
| |
| class FakeDeviceManager { |
| constructor() { |
| this.bindingSet_ = |
| new mojo.bindings.BindingSet(mojo.deviceManager.UsbDeviceManager); |
| this.devices_ = new Map(); |
| this.devicesByGuid_ = new Map(); |
| this.client_ = null; |
| this.nextGuid_ = 0; |
| } |
| |
| addBinding(handle) { |
| this.bindingSet_.addBinding(this, handle); |
| } |
| |
| addDevice(fakeDevice, info) { |
| let device = { |
| fakeDevice: fakeDevice, |
| guid: (this.nextGuid_++).toString(), |
| info: info, |
| bindingArray: [] |
| }; |
| this.devices_.set(fakeDevice, device); |
| this.devicesByGuid_.set(device.guid, device); |
| if (this.client_) |
| this.client_.onDeviceAdded(fakeDeviceInitToDeviceInfo(device.guid, info)); |
| } |
| |
| removeDevice(fakeDevice) { |
| let device = this.devices_.get(fakeDevice); |
| if (!device) |
| throw new Error('Cannot remove unknown device.'); |
| |
| for (var binding of device.bindingArray) |
| binding.close(); |
| this.devices_.delete(device.fakeDevice); |
| this.devicesByGuid_.delete(device.guid); |
| if (this.client_) { |
| this.client_.onDeviceRemoved( |
| fakeDeviceInitToDeviceInfo(device.guid, device.info)); |
| } |
| } |
| |
| removeAllDevices() { |
| this.devices_.forEach(device => { |
| for (var binding of device.bindingArray) |
| binding.close(); |
| this.client_.onDeviceRemoved( |
| fakeDeviceInitToDeviceInfo(device.guid, device.info)); |
| }); |
| this.devices_.clear(); |
| this.devicesByGuid_.clear(); |
| } |
| |
| getDevices(options) { |
| let devices = []; |
| this.devices_.forEach(device => { |
| devices.push(fakeDeviceInitToDeviceInfo(device.guid, device.info)); |
| }); |
| return Promise.resolve({ results: devices }); |
| } |
| |
| getDevice(guid, request) { |
| let device = this.devicesByGuid_.get(guid); |
| if (device) { |
| let binding = new mojo.bindings.Binding( |
| mojo.device.UsbDevice, new FakeDevice(device.info), request); |
| binding.setConnectionErrorHandler(() => { |
| if (g_closeListener) |
| g_closeListener(device.fakeDevice); |
| }); |
| device.bindingArray.push(binding); |
| } else { |
| request.close(); |
| } |
| } |
| |
| setClient(client) { |
| this.client_ = client; |
| } |
| } |
| |
| class FakeChooserService { |
| constructor() { |
| this.bindingSet_ = new mojo.bindings.BindingSet( |
| mojo.chooserService.UsbChooserService); |
| this.chosenDevice_ = null; |
| this.lastFilters_ = null; |
| } |
| |
| addBinding(handle) { |
| this.bindingSet_.addBinding(this, handle); |
| } |
| |
| setChosenDevice(fakeDevice) { |
| this.chosenDevice_ = fakeDevice; |
| } |
| |
| getPermission(deviceFilters) { |
| this.lastFilters_ = convertMojoDeviceFilters(deviceFilters); |
| let device = g_deviceManager.devices_.get(this.chosenDevice_); |
| if (device) { |
| return Promise.resolve({ |
| result: fakeDeviceInitToDeviceInfo(device.guid, device.info) |
| }); |
| } else { |
| return Promise.resolve({ result: null }); |
| } |
| } |
| } |
| |
| // Unlike FakeDevice this class is exported to callers of USBTest.addFakeDevice. |
| class FakeUSBDevice { |
| disconnect() { |
| setTimeout(() => g_deviceManager.removeDevice(this), 0); |
| } |
| } |
| |
| class USBTest { |
| constructor() {} |
| |
| initialize() { |
| if (!g_initializePromise) { |
| g_initializePromise = new Promise(resolve => { |
| window.define = gin.define; // Mojo modules expect this. |
| |
| gin.define('WebUSB Test Mocks', [ |
| 'content/public/renderer/frame_interfaces', |
| 'device/usb/public/interfaces/chooser_service.mojom', |
| 'device/usb/public/interfaces/device_manager.mojom', |
| 'device/usb/public/interfaces/device.mojom', |
| 'mojo/public/js/bindings', |
| 'mojo/public/js/core', |
| 'mojo/public/js/router', |
| 'mojo/public/js/support', |
| ], (frameInterfaces, chooserService, deviceManager, device, |
| bindings, core, router, support) => { |
| delete window.define; // Clean up. |
| |
| mojo = { |
| frameInterfaces: frameInterfaces, |
| chooserService: chooserService, |
| deviceManager: deviceManager, |
| device: device, |
| bindings: bindings, |
| core: core, |
| router: router, |
| support: support |
| }; |
| |
| g_deviceManager = new FakeDeviceManager(); |
| mojo.frameInterfaces.addInterfaceOverrideForTesting( |
| mojo.deviceManager.UsbDeviceManager.name, |
| handle => g_deviceManager.addBinding(handle)); |
| |
| g_chooserService = new FakeChooserService(); |
| mojo.frameInterfaces.addInterfaceOverrideForTesting( |
| mojo.chooserService.UsbChooserService.name, |
| handle => g_chooserService.addBinding(handle)); |
| |
| addEventListener('unload', () => { |
| mojo.frameInterfaces.clearInterfaceOverridesForTesting(); |
| }); |
| |
| resolve(); |
| }); |
| }); |
| } |
| |
| return g_initializePromise; |
| } |
| |
| attachToWindow(otherWindow) { |
| if (!g_deviceManager || !g_chooserService) |
| throw new Error('Call initialize() before attachToWindow().'); |
| |
| return new Promise(resolve => { |
| otherWindow.gin.define( |
| 'WebUSB Test Frame Attach', [ |
| 'content/public/renderer/frame_interfaces' |
| ], frameInterfaces => { |
| frameInterfaces.addInterfaceOverrideForTesting( |
| mojo.deviceManager.UsbDeviceManager.name, |
| handle => g_deviceManager.addBinding(handle)); |
| frameInterfaces.addInterfaceOverrideForTesting( |
| mojo.chooserService.UsbChooserService.name, |
| handle => g_chooserService.addBinding(handle)); |
| resolve(); |
| }); |
| }); |
| } |
| |
| addFakeDevice(deviceInit) { |
| if (!g_deviceManager) |
| throw new Error('Call initialize() before addFakeDevice().'); |
| |
| // |addDevice| and |removeDevice| are called in a setTimeout callback so |
| // that tests do not rely on the device being immediately available which |
| // may not be true for all implementations of this test API. |
| let fakeDevice = new FakeUSBDevice(); |
| setTimeout(() => g_deviceManager.addDevice(fakeDevice, deviceInit), 0); |
| return fakeDevice; |
| } |
| |
| set ondeviceclose(func) { |
| g_closeListener = func; |
| } |
| |
| set chosenDevice(fakeDevice) { |
| if (!g_chooserService) |
| throw new Error('Call initialize() before setting chosenDevice.'); |
| |
| g_chooserService.setChosenDevice(fakeDevice); |
| } |
| |
| get lastFilters() { |
| if (!g_chooserService) |
| throw new Error('Call initialize() before getting lastFilters.'); |
| |
| return g_chooserService.lastFilters_; |
| } |
| |
| reset() { |
| if (!g_deviceManager || !g_chooserService) |
| throw new Error('Call initialize() before reset().'); |
| |
| g_deviceManager.removeAllDevices(); |
| g_chooserService.setChosenDevice(null); |
| g_closeListener = null; |
| } |
| } |
| |
| navigator.usb.test = new USBTest(); |
| |
| })(); |