diff --git a/examples/simblee-led-onoff/app-icon.png b/examples/simblee-led-onoff/app-icon.png new file mode 100644 index 00000000..65b8586b Binary files /dev/null and b/examples/simblee-led-onoff/app-icon.png differ diff --git a/examples/simblee-led-onoff/app/evothings.json b/examples/simblee-led-onoff/app/evothings.json new file mode 100644 index 00000000..ab13e1e3 --- /dev/null +++ b/examples/simblee-led-onoff/app/evothings.json @@ -0,0 +1,3 @@ +{ + "uuid": "d22e6349-ab0c-4d13-a4ee-1deb20031f33" +} \ No newline at end of file diff --git a/examples/simblee-led-onoff/app/index.html b/examples/simblee-led-onoff/app/index.html new file mode 100644 index 00000000..0a06e9df --- /dev/null +++ b/examples/simblee-led-onoff/app/index.html @@ -0,0 +1,156 @@ + + + + + + + + + Simblee LED On/Off + + + + + + + + + + + + + + + + + +
+ + + Evothings + + +
+ +

Simblee LED On/Off

+ +

Initializing...

+ + + +
+ + + + + +

Instructions

+

This example requires a Simblee RFD77201 and an Simblee RGB + LED Button shield (RFD22122). You also need an Simblee USB shield + for programming the Simblee from a PC/Mac.

+ + + + + + + + diff --git a/examples/simblee-led-onoff/app/libs/evothings/VERSION b/examples/simblee-led-onoff/app/libs/evothings/VERSION new file mode 100644 index 00000000..d4632abd --- /dev/null +++ b/examples/simblee-led-onoff/app/libs/evothings/VERSION @@ -0,0 +1 @@ +Evothings Libraries version 2.1.0 diff --git a/examples/simblee-led-onoff/app/libs/evothings/easyble/easyble.js b/examples/simblee-led-onoff/app/libs/evothings/easyble/easyble.js new file mode 100644 index 00000000..349ab059 --- /dev/null +++ b/examples/simblee-led-onoff/app/libs/evothings/easyble/easyble.js @@ -0,0 +1,1521 @@ +// File: easyble.js updated 160620 + +;(function() +{ + // Load script used by this file. + evothings.loadScript('libs/evothings/util/util.js'); + + /** + * @namespace + * @description

Library for making BLE programming easier.

+ *

It is safe practise to call function {@link evothings.scriptsLoaded} + * to ensure dependent libraries are loaded before calling functions + * in this library.

+ */ + evothings.easyble = {}; + + /** + * @namespace + * @description Error string. + */ + evothings.easyble.error = {}; + + /** + * @description BLE device was disconnected. + */ + evothings.easyble.error.DISCONNECTED = 'EASYBLE_ERROR_DISCONNECTED'; + + /** + * @description BLE service was not found. + */ + evothings.easyble.error.SERVICE_NOT_FOUND = 'EASYBLE_ERROR_SERVICE_NOT_FOUND'; + + /** + * @description BLE characteristic was not found. + */ + evothings.easyble.error.CHARACTERISTIC_NOT_FOUND = 'EASYBLE_ERROR_CHARACTERISTIC_NOT_FOUND'; + + /** + * @description BLE descriptor was not found. + */ + evothings.easyble.error.DESCRIPTOR_NOT_FOUND = 'EASYBLE_ERROR_DESCRIPTOR_NOT_FOUND'; + + /** + * @private + */ + var base64 = cordova.require('cordova/base64'); + + /** + * Set to true to report found devices only once, + * set to false to report continuously. + * @private + */ + var reportDeviceOnce = false; + + /** + * @private + */ + var serviceFilter = false; + + /** + * Internal properties and functions. + * @private + */ + var internal = {}; + + /** + * Internal variable used to track reading of service data. + * @private + */ + var readCounter = 0; + + /** + * Table of discovered devices. + * @private + */ + internal.knownDevices = {}; + + /** + * Table of connected devices. + * @private + */ + internal.connectedDevices = {}; + + /** + * Set whether to report devices once or continuously during scan. + * The default is to report continously. + * @param {boolean} reportOnce - Set to true to report found devices only once. + * Set to false to report continuously. + * @public + */ + evothings.easyble.reportDeviceOnce = function(reportOnce) + { + reportDeviceOnce = reportOnce; + }; + + /** + * Set to an Array of UUID strings to enable filtering of devices + * found by startScan(). + * @param services - Array of UUID strings. Set to false to disable filtering. + * The default is no filtering. An empty array will cause no devices to be reported. + * @public + */ + evothings.easyble.filterDevicesByService = function(services) + { + serviceFilter = services; + }; + + /** + * @description Called during scanning when a BLE device is found. + * @callback evothings.easyble.scanCallback + * @param {evothings.easyble.EasyBLEDevice} device - EasyBLE device object + * found during scanning. + */ + + /** + * @description This callback indicates that an operation was successful, + * without specifying and additional information. + * @callback evothings.easyble.emptyCallback - Callback that takes no parameters. + */ + + /** + * @description This function is called when an operation fails. + * @callback evothings.easyble.failCallback + * @param {string} errorString - A human-readable string that + * describes the error that occurred. + */ + + /** + * @description Called when successfully connected to a device. + * @callback evothings.easyble.connectCallback + * @param {evothings.easyble.EasyBLEDevice} device - EasyBLE devices object. + */ + + /** + * @description Called when services are successfully read. + * @callback evothings.easyble.servicesCallback + * @param {evothings.easyble.EasyBLEDevice} device - EasyBLE devices object. + */ + + /** + * @description Function when data is available. + * @callback evothings.easyble.dataCallback + * @param {ArrayBuffer} data - The data is an array buffer. + * Use an ArrayBufferView to access the data. + */ + + /** + * @description Called with RSSI value. + * @callback evothings.easyble.rssiCallback + * @param {number} rssi - A negative integer, the signal strength in decibels. + * This value may be 127 which indicates an unknown value. + */ + + /** + * Start scanning for devices. + * @param {array} serviceUUIDs - Array with service UUID strings (optional). + * On iOS multiple UUIDs are scanned for using logical OR operator, + * any UUID that matches any of the UUIDs adverticed by the device + * will count as a match. On Android, multiple UUIDs are scanned for + * using AND logic, the device must advertise all of the given UUIDs + * to produce a match. (The matching logic will be unified in future + * versions of the plugin.) When providing one service UUID, behaviour + * is the same on Android and iOS. Learning out this parameter or + * setting it to null, will scan for all devices, regardless of + * advertised services. + * @param {evothings.easyble.scanCallback} - Success function called when a + * device is found. + * Format: success({@link evothings.easyble.EasyBLEDevice}). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @example + * // Scan for all services. + * evothings.easyble.startScan( + * function(device) + * { + * console.log('Found device named: ' + device.name); + * }, + * function(errorCode) + * { + * console.log('startScan error: ' + errorCode); + * } + * ); + * + * // Scan for specific service. + * evothings.easyble.startScan( + * // Eddystone service UUID. + * ['0000FEAA-0000-1000-8000-00805F9B34FB'], + * function(device) + * { + * console.log('Found device named: ' + device.name); + * }, + * function(errorCode) + * { + * console.log('startScan error: ' + errorCode); + * } + * ); + */ + evothings.easyble.startScan = function(serviceUUIDs, success, fail) + { + evothings.easyble.stopScan(); + + internal.knownDevices = {}; + + if ('function' == typeof serviceUUIDs) + { + // No Service UUIDs specified. + fail = success; + success = serviceUUIDs; + evothings.ble.startScan(onDeviceFound, onError); + } + else + { + evothings.ble.startScan(serviceUUIDs, onDeviceFound, onError); + } + + function onDeviceFound(device) + { + // Ensure we have advertisementData. + internal.ensureAdvertisementData(device); + + // Check if the device matches the filter, if we have a filter. + if (!internal.deviceMatchesServiceFilter(device)) + { + return; + } + + // Check if we already have got the device. + var existingDevice = internal.knownDevices[device.address] + if (existingDevice) + { + // Do not report device again if flag is set. + if (reportDeviceOnce) { return; } + + // Flag not set, report device again. + existingDevice.rssi = device.rssi; + existingDevice.name = device.name; + existingDevice.scanRecord = device.scanRecord; + existingDevice.advertisementData = device.advertisementData; + success(existingDevice); + return; + } + + // New device, add to known devices. + internal.knownDevices[device.address] = device; + + // Set connect status. + device.__isConnected = false; + + // Add methods to the device info object. + internal.addMethodsToDeviceObject(device); + + // Call callback function with device info. + success(device); + } + + function onError(errorCode) + { + fail(errorCode); + } + }; + + /** + * Stop scanning for devices. + * @example + * evothings.easyble.stopScan(); + */ + evothings.easyble.stopScan = function() + { + evothings.ble.stopScan(); + }; + + /** + * Disconnect and close all connected BLE devices. + * @example + * evothings.easyble.closeConnectedDevices(); + */ + evothings.easyble.closeConnectedDevices = function() + { + for (var key in internal.connectedDevices) + { + var device = internal.connectedDevices[key]; + device && device.close(); + internal.connectedDevices[key] = null; + } + }; + + /** + * If device already has advertisementData, does nothing. + * If device instead has scanRecord, creates advertisementData. + * See ble.js for AdvertisementData reference. + * @param device - Device object. + * @private + */ + internal.ensureAdvertisementData = function(device) + { + // If device object already has advertisementData we + // do not need to parse the scanRecord. + if (device.advertisementData) { return; } + + // Must have scanRecord yo continue. + if (!device.scanRecord) { return; } + + // Here we parse BLE/GAP Scan Response Data. + // See the Bluetooth Specification, v4.0, Volume 3, Part C, Section 11, + // for details. + + var byteArray = evothings.util.base64DecToArr(device.scanRecord); + var pos = 0; + var advertisementData = {}; + var serviceUUIDs; + var serviceData; + + // The scan record is a list of structures. + // Each structure has a length byte, a type byte, and (length-1) data bytes. + // The format of the data bytes depends on the type. + // Malformed scanRecords will likely cause an exception in this function. + while (pos < byteArray.length) + { + var length = byteArray[pos++]; + if (length == 0) + { + break; + } + length -= 1; + var type = byteArray[pos++]; + + // Parse types we know and care about. + // Skip other types. + + var BLUETOOTH_BASE_UUID = '-0000-1000-8000-00805f9b34fb' + + // Convert 16-byte Uint8Array to RFC-4122-formatted UUID. + function arrayToUUID(array, offset) + { + var k=0; + var string = ''; + var UUID_format = [4, 2, 2, 2, 6]; + for (var l=0; lServices must be read be able to access characteristics and + * descriptors. Call this function before reading and writing + * characteristics/descriptors. + * @param serviceUUIDs - array of UUID strings, if null all + * services are read (this can be time-consuming compared to + * reading selected services). + * @param {evothings.easyble.servicesCallback} success - + * Called when services are read: success(device). + * @param {evothings.easyble.failCallback} fail - error callback: + * error(errorMessage) + * @public + * @instance + * @example + * device.readServices( + * null, // Read all services + * function(device) + * { + * console.log('BLE Services available.'); + * // Read/write/enable notifications here. + * }, + * function(errorCode) + * { + * console.log('BLE readServices error: ' + errorCode); + * }); + */ + device.readServices = function(serviceUUIDs, success, fail) + { + internal.readServices(device, serviceUUIDs, success, fail); + }; + + /** + * Read value of characteristic. + * @param {string} characteristicUUID - UUID of characteristic to read. + * @param {evothings.easyble.dataCallback} success - Success callback: + * success(data). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.readCharacteristic( + * characteristicUUID, + * function(data) + * { + * console.log('BLE characteristic data: ' + evothings.ble.fromUtf8(data)); + * }, + * function(errorCode) + * { + * console.log('BLE readCharacteristic error: ' + errorCode); + * }); + */ + device.readCharacteristic = function(characteristicUUID, success, fail) + { + internal.readCharacteristic(device, characteristicUUID, success, fail); + }; + + /** + * Read value of a characteristic for a specific service. This is useful when + * multiple services have characteristics with the same UUID. + * @param {string} serviceUUID - UUID of service for characteristic. + * @param {string} characteristicUUID - UUID of characteristic to read. + * @param {evothings.easyble.dataCallback} success - Success callback: + * success(data). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.readServiceCharacteristic( + * serviceUUID, + * characteristicUUID, + * function(data) + * { + * console.log('BLE characteristic data: ' + evothings.ble.fromUtf8(data)); + * }, + * function(errorCode) + * { + * console.log('BLE readServiceCharacteristic error: ' + errorCode); + * }); + */ + device.readServiceCharacteristic = function( + serviceUUID, characteristicUUID, success, fail) + { + internal.readServiceCharacteristic( + device, serviceUUID, characteristicUUID, success, fail); + }; + + /** + * Read value of descriptor. + * @param {string} characteristicUUID - UUID of characteristic for descriptor. + * @param {string} descriptorUUID - UUID of descriptor to read. + * @param {evothings.easyble.dataCallback} success - Success callback: + * success(data). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.readDescriptor( + * characteristicUUID, + * descriptorUUID, + * function(data) + * { + * console.log('BLE descriptor data: ' + evothings.ble.fromUtf8(data)); + * }, + * function(errorCode) + * { + * console.log('BLE readDescriptor error: ' + errorCode); + * }); + */ + device.readDescriptor = function( + characteristicUUID, descriptorUUID, success, fail) + { + internal.readDescriptor( + device, characteristicUUID, descriptorUUID, success, fail); + }; + + /** + * Read value of a descriptor for a specific service and characteristic. + * This is useful when multiple services and characteristics have + * descriptors with the same UUID. + * @param {string} serviceUUID - UUID of service that has the characteristic. + * @param {string} characteristicUUID - UUID of characteristic for descriptor. + * @param {string} descriptorUUID - UUID of descriptor to read. + * @param {evothings.easyble.dataCallback} success - Success callback: + * success(data). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.readServiceDescriptor( + * serviceUUID, + * characteristicUUID, + * descriptorUUID, + * function(data) + * { + * console.log('BLE descriptor data: ' + evothings.ble.fromUtf8(data)); + * }, + * function(errorCode) + * { + * console.log('BLE readServiceDescriptor error: ' + errorCode); + * }); + */ + device.readServiceDescriptor = function( + serviceUUID, characteristicUUID, descriptorUUID, success, fail) + { + internal.readServiceDescriptor( + device, serviceUUID, characteristicUUID, descriptorUUID, success, fail); + }; + + /** + * Write value of characteristic. + * @param {string} characteristicUUID - UUID of characteristic to write to. + * @param {ArrayBufferView} value - Value to write. + * @param {evothings.easyble.emptyCallback} success - Success callback: success(). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.writeCharacteristic( + * characteristicUUID, + * new Uint8Array([1]), // Write byte with value 1. + * function() + * { + * console.log('BLE characteristic written.'); + * }, + * function(errorCode) + * { + * console.log('BLE writeCharacteristic error: ' + errorCode); + * }); + */ + device.writeCharacteristic = function(characteristicUUID, value, success, fail) + { + internal.writeCharacteristic( + device, characteristicUUID, value, success, fail); + }; + + /** + * Write value of a characteristic for a specific service. This is useful when + * multiple services have characteristics with the same UUID. + * @param {string} serviceUUID - UUID of service that has the characteristic. + * @param {string} characteristicUUID - UUID of characteristic to write to. + * @param {ArrayBufferView} value - Value to write. + * @param {evothings.easyble.emptyCallback} success - Success callback: success(). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.writeServiceCharacteristic( + * serviceUUID, + * characteristicUUID, + * new Uint8Array([1]), // Write byte with value 1. + * function() + * { + * console.log('BLE characteristic written.'); + * }, + * function(errorCode) + * { + * console.log('BLE writeServiceCharacteristic error: ' + errorCode); + * }); + */ + device.writeServiceCharacteristic = function( + serviceUUID, characteristicUUID, value, success, fail) + { + internal.writeServiceCharacteristic( + device, serviceUUID, characteristicUUID, value, success, fail); + }; + + /** + * Write value of descriptor. + * @param {string} characteristicUUID - UUID of characteristic for descriptor. + * @param {string} descriptorUUID - UUID of descriptor to write to. + * @param {ArrayBufferView} value - Value to write. + * @param {evothings.easyble.emptyCallback} success - Success callback: success(). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.writeDescriptor( + * characteristicUUID, + * descriptorUUID, + * new Uint8Array([1]), // Write byte with value 1. + * function() + * { + * console.log('BLE descriptor written.'); + * }, + * function(errorCode) + * { + * console.log('BLE writeDescriptor error: ' + errorCode); + * }); + */ + device.writeDescriptor = function( + characteristicUUID, descriptorUUID, value, success, fail) + { + internal.writeDescriptor( + device, characteristicUUID, descriptorUUID, value, success, fail); + }; + + /** + * Write value of a descriptor for a specific service and characteristic. + * This is useful when multiple services and characteristics have descriptors + * with the same UUID. + * @param {string} serviceUUID - UUID of service for characteristic. + * @param {string} characteristicUUID - UUID of characteristic for descriptor. + * @param {string} descriptorUUID - UUID of descriptor to write to. + * @param {ArrayBufferView} value - Value to write. + * @param {evothings.easyble.emptyCallback} success - Success callback: success(). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.writeServiceDescriptor( + * serviceUUID, + * characteristicUUID, + * descriptorUUID, + * new Uint8Array([1]), // Write byte with value 1. + * function() + * { + * console.log('BLE descriptor written.'); + * }, + * function(errorCode) + * { + * console.log('BLE writeServiceDescriptor error: ' + errorCode); + * }); + */ + device.writeServiceDescriptor = function( + serviceUUID, characteristicUUID, descriptorUUID, value, success, fail) + { + internal.writeServiceDescriptor( + device, + serviceUUID, + characteristicUUID, + descriptorUUID, + value, + success, + fail); + }; + + /** + * Subscribe to value updates of a characteristic. The success function + * will be called repeatedly whenever there is new data available. + * @param {string} characteristicUUID - UUID of characteristic to subscribe to. + * @param {evothings.easyble.dataCallback} success - Success callback: + * success(data). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.enableNotification( + * characteristicUUID, + * function(data) + * { + * console.log('BLE characteristic data: ' + evothings.ble.fromUtf8(data)); + * }, + * function(errorCode) + * { + * console.log('BLE enableNotification error: ' + errorCode); + * }); + */ + device.enableNotification = function(characteristicUUID, success, fail) + { + internal.enableNotification(device, characteristicUUID, success, fail); + }; + + /** + * Subscribe to value updates of a characteristic for a specific service. + * This is useful when multiple services have characteristics with the + * same UUID. The success function will be called repeatedly whenever there + * is new data available. + * @param {string} serviceUUID - UUID of service that has the given + * characteristic. + * @param {string} characteristicUUID - UUID of characteristic to subscribe to. + * @param {evothings.easyble.dataCallback} success - Success callback: + * success(data). + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error). + * @public + * @instance + * @example + * device.enableServiceNotification( + * serviceUUID, + * characteristicUUID, + * function(data) + * { + * console.log('BLE characteristic data: ' + evothings.ble.fromUtf8(data)); + * }, + * function(errorCode) + * { + * console.log('BLE enableServiceNotification error: ' + errorCode); + * }); + */ + device.enableServiceNotification = function( + serviceUUID, characteristicUUID, success, fail) + { + internal.enableServiceNotification( + device, + serviceUUID, + characteristicUUID, + success, + fail); + }; + + /** + * Unsubscribe from characteristic updates to stop notifications. + * @param characteristicUUID - UUID of characteristic to unsubscribe from. + * @param {evothings.easyble.emptyCallback} success - Success callback: success() + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error) + * @public + * @instance + * @example + * device.disableNotification( + * characteristicUUID, + * function() + * { + * console.log('BLE characteristic notification disabled'); + * }, + * function(errorCode) + * { + * console.log('BLE disableNotification error: ' + errorCode); + * }); + */ + device.disableNotification = function(characteristicUUID, success, fail) + { + internal.disableNotification(device, characteristicUUID, success, fail); + }; + + /** + * Unsubscribe from characteristic updates for a specific service to stop + * notifications. This is useful when multiple services have characteristics + * with the same UUID. + * @param serviceUUID - UUID of service that has the given characteristic. + * @param characteristicUUID - UUID of characteristic to unsubscribe from. + * @param {evothings.easyble.emptyCallback} success - Success callback: success() + * @param {evothings.easyble.failCallback} fail - Error callback: fail(error) + * @public + * @instance + * @example + * device.disableServiceNotification( + * serviceUUID, + * characteristicUUID, + * function() + * { + * console.log('BLE characteristic notification disabled'); + * }, + * function(errorCode) + * { + * console.log('BLE disableNotification error: ' + errorCode); + * }); + */ + device.disableServiceNotification = function( + serviceUUID, characteristicUUID, success, fail) + { + internal.disableServiceNotification( + device, serviceUUID, characteristicUUID, success, fail); + }; + }; + + /** + * Connect to a device. + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.connectToDevice = function(device, success, fail) + { + // Check that device is not already connected. + if (device.__isConnected) + { + fail('Device already connected'); + return; + } + + evothings.ble.connect(device.address, function(connectInfo) + { + if (connectInfo.state == 2) // connected + { + device.deviceHandle = connectInfo.deviceHandle; + device.__uuidMap = {}; + device.__serviceMap = {}; + device.__isConnected = true; + internal.connectedDevices[device.address] = device; + + success(device); + } + else if (connectInfo.state == 0) // disconnected + { + var theDevice = internal.connectedDevices[device.address]; + theDevice.__isConnected = false; + internal.connectedDevices[device.address] = null; + + // TODO: Perhaps this should be redesigned, as disconnect is + // more of a status change than an error? What do you think? + fail && fail(evothings.easyble.error.DISCONNECTED); + } + }, + function(errorCode) + { + fail(errorCode); + }); + }; + + /** + * Obtain device services, them read characteristics and descriptors + * for the services with the given uuid(s). + * If serviceUUIDs is null, info is read for all services. + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.readServices = function(device, serviceUUIDs, success, fail) + { + // Read services. + evothings.ble.services( + device.deviceHandle, + function(services) + { + // Array that stores services. + device.__services = []; + + for (var i = 0; i < services.length; ++i) + { + var service = services[i]; + service.uuid = service.uuid.toLowerCase(); + device.__services.push(service); + device.__uuidMap[service.uuid] = service; + } + + internal.readCharacteristicsForServices( + device, serviceUUIDs, success, fail); + }, + function(errorCode) + { + fail(errorCode); + }); + }; + + /** + * Read characteristics and descriptors for the services with the given uuid(s). + * If serviceUUIDs is null, info for all services are read. + * Internal function. + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.readCharacteristicsForServices = function(device, serviceUUIDs, success, fail) + { + var characteristicsCallbackFun = function(service) + { + // Array with characteristics for service. + service.__characteristics = []; + + return function(characteristics) + { + --readCounter; // Decrements the count added by services. + readCounter += characteristics.length; + for (var i = 0; i < characteristics.length; ++i) + { + var characteristic = characteristics[i]; + characteristic.uuid = characteristic.uuid.toLowerCase(); + service.__characteristics.push(characteristic); + device.__uuidMap[characteristic.uuid] = characteristic; + device.__serviceMap[service.uuid + ':' + characteristic.uuid] = characteristic; + + // Read descriptors for characteristic. + evothings.ble.descriptors( + device.deviceHandle, + characteristic.handle, + descriptorsCallbackFun(service, characteristic), + function(errorCode) + { + fail(errorCode); + }); + } + }; + }; + + /** + * @private + */ + var descriptorsCallbackFun = function(service, characteristic) + { + // Array with descriptors for characteristic. + characteristic.__descriptors = []; + + return function(descriptors) + { + --readCounter; // Decrements the count added by characteristics. + for (var i = 0; i < descriptors.length; ++i) + { + var descriptor = descriptors[i]; + descriptor.uuid = descriptor.uuid.toLowerCase(); + characteristic.__descriptors.push(descriptor); + device.__uuidMap[characteristic.uuid + ':' + descriptor.uuid] = descriptor; + device.__serviceMap[service.uuid + ':' + characteristic.uuid + ':' + descriptor.uuid] = descriptor; + } + if (0 == readCounter) + { + // Everything is read. + success(device); + } + }; + }; + + // Initialize read counter. + readCounter = 0; + + if (null != serviceUUIDs) + { + // Read info for service UUIDs. + readCounter = serviceUUIDs.length; + for (var i = 0; i < serviceUUIDs.length; ++i) + { + var uuid = serviceUUIDs[i].toLowerCase(); + var service = device.__uuidMap[uuid]; + if (!service) + { + fail(evothings.easyble.error.SERVICE_NOT_FOUND + ' ' + uuid); + return; + } + + // Read characteristics for service. Will also read descriptors. + evothings.ble.characteristics( + device.deviceHandle, + service.handle, + characteristicsCallbackFun(service), + function(errorCode) + { + fail(errorCode); + }); + } + } + else + { + // Read info for all services. + readCounter = device.__services.length; + for (var i = 0; i < device.__services.length; ++i) + { + // Read characteristics for service. Will also read descriptors. + var service = device.__services[i]; + evothings.ble.characteristics( + device.deviceHandle, + service.handle, + characteristicsCallbackFun(service), + function(errorCode) + { + fail(errorCode); + }); + } + } + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.readCharacteristic = function(device, characteristicUUID, success, fail) + { + characteristicUUID = characteristicUUID.toLowerCase(); + + var characteristic = device.__uuidMap[characteristicUUID]; + if (!characteristic) + { + fail(evothings.easyble.error.CHARACTERISTIC_NOT_FOUND + ' ' + + characteristicUUID); + return; + } + + evothings.ble.readCharacteristic( + device.deviceHandle, + characteristic.handle, + success, + fail); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.readServiceCharacteristic = function( + device, serviceUUID, characteristicUUID, success, fail) + { + var key = serviceUUID.toLowerCase() + ':' + characteristicUUID.toLowerCase(); + + var characteristic = device.__serviceMap[key]; + if (!characteristic) + { + fail(evothings.easyble.error.CHARACTERISTIC_NOT_FOUND + ' ' + key); + return; + } + + evothings.ble.readCharacteristic( + device.deviceHandle, + characteristic.handle, + success, + fail); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.readDescriptor = function( + device, characteristicUUID, descriptorUUID, success, fail) + { + characteristicUUID = characteristicUUID.toLowerCase(); + descriptorUUID = descriptorUUID.toLowerCase(); + + var descriptor = device.__uuidMap[characteristicUUID + ':' + descriptorUUID]; + if (!descriptor) + { + fail(evothings.easyble.error.DESCRIPTOR_NOT_FOUND + ' ' + descriptorUUID); + return; + } + + evothings.ble.readDescriptor( + device.deviceHandle, + descriptor.handle, + success, + fail); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.readServiceDescriptor = function( + device, serviceUUID, characteristicUUID, descriptorUUID, success, fail) + { + var key = serviceUUID.toLowerCase() + ':' + + characteristicUUID.toLowerCase() + ':' + + descriptorUUID.toLowerCase(); + + var descriptor = device.__serviceMap[key]; + if (!descriptor) + { + fail(evothings.easyble.error.DESCRIPTOR_NOT_FOUND + ' ' + key); + return; + } + + evothings.ble.readDescriptor( + device.deviceHandle, + descriptor.handle, + success, + fail); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.writeCharacteristic = function( + device, characteristicUUID, value, success, fail) + { + characteristicUUID = characteristicUUID.toLowerCase(); + + var characteristic = device.__uuidMap[characteristicUUID]; + if (!characteristic) + { + fail(evothings.easyble.error.CHARACTERISTIC_NOT_FOUND + ' ' + + characteristicUUID); + return; + } + + evothings.ble.writeCharacteristic( + device.deviceHandle, + characteristic.handle, + value, + function() + { + success(); + }, + function(errorCode) + { + fail(errorCode); + }); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.writeServiceCharacteristic = function( + device, serviceUUID, characteristicUUID, value, success, fail) + { + var key = serviceUUID.toLowerCase() + ':' + characteristicUUID.toLowerCase(); + + var characteristic = device.__serviceMap[key]; + if (!characteristic) + { + fail(evothings.easyble.error.CHARACTERISTIC_NOT_FOUND + ' ' + key); + return; + } + + evothings.ble.writeCharacteristic( + device.deviceHandle, + characteristic.handle, + value, + success, + fail); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.writeDescriptor = function( + device, characteristicUUID, descriptorUUID, value, success, fail) + { + characteristicUUID = characteristicUUID.toLowerCase(); + descriptorUUID = descriptorUUID.toLowerCase(); + + var descriptor = device.__uuidMap[characteristicUUID + ':' + descriptorUUID]; + if (!descriptor) + { + fail(evothings.easyble.error.DESCRIPTOR_NOT_FOUND + ' ' + descriptorUUID); + return; + } + + evothings.ble.writeDescriptor( + device.deviceHandle, + descriptor.handle, + value, + function() + { + success(); + }, + function(errorCode) + { + fail(errorCode); + }); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.writeServiceDescriptor = function( + device, serviceUUID, characteristicUUID, descriptorUUID, value, success, fail) + { + var key = serviceUUID.toLowerCase() + ':' + + characteristicUUID.toLowerCase() + ':' + + descriptorUUID.toLowerCase(); + + var descriptor = device.__serviceMap[key]; + if (!descriptor) + { + fail(evothings.easyble.error.DESCRIPTOR_NOT_FOUND + ' ' + key); + return; + } + + evothings.ble.writeDescriptor( + device.deviceHandle, + descriptor.handle, + value, + success, + fail); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.enableNotification = function(device, characteristicUUID, success, fail) + { + characteristicUUID = characteristicUUID.toLowerCase(); + + var characteristic = device.__uuidMap[characteristicUUID]; + if (!characteristic) + { + fail(evothings.easyble.error.CHARACTERISTIC_NOT_FOUND + ' ' + + characteristicUUID); + return; + } + + evothings.ble.enableNotification( + device.deviceHandle, + characteristic.handle, + success, + fail); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.enableServiceNotification = function( + device, serviceUUID, characteristicUUID, success, fail) + { + var key = serviceUUID.toLowerCase() + ':' + characteristicUUID.toLowerCase(); + + var characteristic = device.__serviceMap[key]; + if (!characteristic) + { + fail(evothings.easyble.error.CHARACTERISTIC_NOT_FOUND + ' ' + key); + return; + } + + evothings.ble.enableNotification( + device.deviceHandle, + characteristic.handle, + success, + fail); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.disableNotification = function(device, characteristicUUID, success, fail) + { + characteristicUUID = characteristicUUID.toLowerCase(); + + var characteristic = device.__uuidMap[characteristicUUID]; + if (!characteristic) + { + fail(evothings.easyble.error.CHARACTERISTIC_NOT_FOUND + ' ' + + characteristicUUID); + return; + } + + evothings.ble.disableNotification( + device.deviceHandle, + characteristic.handle, + success, + fail); + }; + + /** + * Called from evothings.easyble.EasyBLEDevice. + * @private + */ + internal.disableServiceNotification = function( + device, serviceUUID, characteristicUUID, success, fail) + { + var key = serviceUUID.toLowerCase() + ':' + characteristicUUID.toLowerCase(); + + var characteristic = device.__serviceMap[key]; + if (!characteristic) + { + fail(evothings.easyble.error.CHARACTERISTIC_NOT_FOUND + ' ' + key); + return; + } + + evothings.ble.disableNotification( + device.deviceHandle, + characteristic.handle, + success, + fail); + }; + + /** + * Prints and object for debugging purposes. + * @deprecated. Defined here for backwards compatibility. + * Use evothings.printObject(). + * @public + */ + evothings.easyble.printObject = evothings.printObject; + + /** + * Reset the BLE hardware. Can be time consuming. + * @public + */ + evothings.easyble.reset = function() + { + evothings.ble.reset(); + }; +})(); diff --git a/examples/simblee-led-onoff/app/libs/evothings/evothings.js b/examples/simblee-led-onoff/app/libs/evothings/evothings.js new file mode 100644 index 00000000..246425c3 --- /dev/null +++ b/examples/simblee-led-onoff/app/libs/evothings/evothings.js @@ -0,0 +1,251 @@ +// File: evothings.js +// +// Here we define common function such as async script loading and OS detection. + +;(function() +{ + window.evothings = window.evothings || {}; + + /** + * @namespace + * @description

Functions for loading scripts asynchronously, + * detecting platform, and other common application functionality.

+ * @alias evothings + * @public + */ + var evothings = window.evothings; + + /* ------------------ Script loading ------------------ */ + + var mScriptLoadingCounter = 0; + var mLoadedScripts = {}; + var mScriptsLoadedCallbacks = []; + + /** + * Make sure to catch any DOMContentLoaded events occurring before + * asynchronous loading of scripts. Those scripts, like ui.js, should check + * this variable before listening for the event. + */ + evothings.gotDOMContentLoaded = false; + + window.addEventListener('DOMContentLoaded', function(e) + { + evothings.gotDOMContentLoaded = true; + }) + + /** + * Load a script. + * @param {string} url - URL or path to the script. Relative paths are + * relative to the HTML file that initiated script loading. + * @param {function} successCallback - Optional parameterless function that + * will be called when the script has loaded. + * @param {function} errorCallback - Optional function that will be called + * if loading the script fails, takes an error object as parameter. + * @public + */ + evothings.loadScript = function(url, successCallback, errorCallback) + { + // If script is already loaded call callback directly and return. + if (mLoadedScripts[url] == 'loadingcomplete') + { + successCallback && successCallback(); + return; + } + + // Add script to dictionary of loaded scripts. + mLoadedScripts[url] = 'loadingstarted'; + ++mScriptLoadingCounter; + + // Create script tag. + var script = document.createElement('script'); + script.type = 'text/javascript'; + script.src = url; + + // Bind the onload event. + script.onload = function() + { + // Mark as loaded. + mLoadedScripts[url] = 'loadingcomplete'; + --mScriptLoadingCounter; + + // Call success callback if given. + successCallback && successCallback(); + + // Call scripts loaded callbacks if this was the last script loaded. + if (0 == mScriptLoadingCounter) + { + for (var i = 0; i < mScriptsLoadedCallbacks.length; ++i) + { + var loadedCallback = mScriptsLoadedCallbacks[i]; + loadedCallback && loadedCallback(); + } + + // Clear callbacks - should we do this??? + mScriptsLoadedCallbacks = []; + } + }; + + // onerror fires for things like malformed URLs and 404's. + // If this function is called, the matching onload will not be called and + // scriptsLoaded will not fire. + script.onerror = function(error) + { + errorCallback && errorCallback(error); + }; + + // Attaching the script tag to the document starts loading the script. + document.head.appendChild(script); + }; + + /** + * Load array of scripts. + * @param {array} array - Array of URL or path name stringa. + * Relative paths are relative to the HTML file that initiated + * script loading. + * @param {function} loadedCallback - Optional parameterless + * function called when all scripts in the array has loaded. + * @public + */ + evothings.loadScripts = function(array, loadedCallback) + { + var lib = array.shift(); + if (!lib) + { + // Array is empty and all scripts are loaded. + loadedCallback && loadedCallback(); + } + else + { + // Load next script. + evothings.loadScript(lib, function() { + evothings.loadScripts(array, loadedCallback); + }); + } + }; + + /** + * Experimental. + * Mark a script as loaded. This is useful if a script is designed + * to be included both in HTML and in JavaScript. + * @param {string} pathOrURL - URL or path to the script. Relative paths are + * relative to the HTML file that initiated script loading. + * @public + */ + evothings.markScriptAsLoaded = function(pathOrURL) + { + mLoadedScripts[url] = 'loadingcomplete'; + }; + + /** + *

Add a callback that will be called when all scripts are loaded.

+ *

It is good practise to always use this function when + * loading script asynchronously or using a library that does so.

+ * @param {function} callback - Parameterless function that will + * be called when all scripts have finished loading. + * @public + */ + evothings.scriptsLoaded = function(callback) + { + // If scripts are already loaded call the callback directly, + // else add the callback to the callbacks array. + if (0 != Object.keys(mLoadedScripts).length && + 0 == mScriptLoadingCounter) + { + callback && callback(); + } + else + { + mScriptsLoadedCallbacks.push(callback); + } + }; + + /* ------------------ Debugging ------------------ */ + + /** + * Print a JavaScript object (dictionary). For debugging. + * + * @param {Object} obj - Object to print. + * @param {function} printFun - print function (optional - defaults to + * console.log if not given). + * + * @example + * var obj = { company: 'Evothings', field: 'IoT' }; + * evothings.printObject(obj); + * evothings.printObject(obj, console.log); + * + * @public + */ + evothings.printObject = function(obj, printFun) + { + printFun = printFun || console.log; + function print(obj, level) + { + var indent = new Array(level + 1).join(' '); + for (var prop in obj) + { + if (obj.hasOwnProperty(prop)) + { + var value = obj[prop]; + if (typeof value == 'object') + { + printFun(indent + prop + ':'); + print(value, level + 1); + } + else + { + printFun(indent + prop + ': ' + value); + } + } + } + } + print(obj, 0); + }; + + /* ------------------ Platform check ------------------ */ + + /** + * @namespace + * @description Namespace for platform check functions. + */ + evothings.os = {}; + + /** + * Returns true if current platform is iOS, false if not. + * @return {boolean} true if platform is iOS, false if not. + * @public + */ + evothings.os.isIOS = function() + { + return /iP(hone|ad|od)/.test(navigator.userAgent); + }; + + /** + * Returns true if current platform is iOS 7, false if not. + * @return {boolean} true if platform is iOS 7, false if not. + * @public + */ + evothings.os.isIOS7 = function() + { + return /iP(hone|ad|od).*OS 7/.test(navigator.userAgent); + }; + + /** + * Returns true if current platform is Android, false if not. + * @return {boolean} true if platform is Android, false if not. + * @public + */ + evothings.os.isAndroid = function() + { + return /Android|android/.test(navigator.userAgent); + }; + + /** + * Returns true if current platform is Windows Phone, false if not. + * @return {boolean} true if platform is Windows Phone, false if not. + * @public + */ + evothings.os.isWP = function() + { + return /Windows Phone/.test(navigator.userAgent); + }; +})(); diff --git a/examples/simblee-led-onoff/app/libs/evothings/simbleeble/simbleeble.js b/examples/simblee-led-onoff/app/libs/evothings/simbleeble/simbleeble.js new file mode 100644 index 00000000..a7b9c362 --- /dev/null +++ b/examples/simblee-led-onoff/app/libs/evothings/simbleeble/simbleeble.js @@ -0,0 +1,135 @@ +// File: simbleeble.js + +// Load dependent library EasyBLE. +evothings.loadScript('libs/evothings/easyble/easyble.js') + +/** + * @namespace + * @author Daniel L. + * @description

Functions for communicating with an Simblee board.

+ *

It is safe practise to call function {@link evothings.scriptsLoaded} + * to ensure dependent libraries are loaded before calling functions + * in this library.

+ */ +evothings.simbleeble = {}; + +;(function() +{ + // Internal functions. + var internal = {}; + + /** + * Stops any ongoing scan and disconnects any connected devices. + * @public + */ + evothings.simbleeble.close = function() + { + evothings.easyble.stopScan(); + evothings.easyble.closeConnectedDevices(); + }; + + /** + * Called when you have connected to the board. + * @callback evothings.simbleeble.connectsuccess + * @param {evothings.simbleeble.SimbleeBLEDevice} device - + * The connected BLE shield. + */ + + /** + * Connect to an Simblee board. + * @param {evothings.simbleeble.connectsuccess} success - + * Success callback: success(device) + * @param {function} fail - Error callback: fail(errorCode) + * @public + */ + evothings.simbleeble.connect = function(deviceName, success, fail) + { + evothings.easyble.startScan( + function(device) + { + console.log('found device: ' + device.name); + if (device.name == deviceName) + { + evothings.easyble.stopScan(); + console.log('connectToDevice'); + internal.connectToDevice(device, success, fail); + } + }, + function(errorCode) + { + fail(errorCode); + }); + }; + + /** + * Connect to the device. + * @private + */ + internal.connectToDevice = function(device, success, fail) + { + device.connect( + function(device) + { + // Get services info. + internal.getServices(device, success, fail); + }, + function(errorCode) + { + fail(errorCode); + }); + }; + + /** + * Read all services from the device. + * @private + */ + internal.getServices = function(device, success, fail) + { + device.readServices( + null, // null means read info for all services + function(device) + { + internal.addMethodsToDeviceObject(device); + success(device); + }, + function(errorCode) + { + fail(errorCode); + }); + }; + + /** + * Add instance methods to the device object. + * @private + */ + internal.addMethodsToDeviceObject = function(device) + { + /** + * Object that holds info about an Simblee device. + * @namespace evothings.simbleeble.SimbleeBLEDevice + */ + + /** + * @function writeDataArray + * @description Write data to an Simblee. + * @param {Uint8Array} uint8array - The data to be written. + * @memberof evothings.simbleeble.SimbleeBLEDevice + * @instance + * @public + */ + device.writeDataArray = function(uint8array) + { + device.writeCharacteristic( + '2D30C083-F39F-4CE6-923F-3484EA480596', + uint8array, + function() + { + console.log('writeCharacteristic success'); + }, + function(errorCode) + { + console.log('writeCharacteristic error: ' + errorCode); + }); + }; + }; +})(); diff --git a/examples/simblee-led-onoff/app/libs/evothings/ui/fastclick.js b/examples/simblee-led-onoff/app/libs/evothings/ui/fastclick.js new file mode 100644 index 00000000..3af4f9d6 --- /dev/null +++ b/examples/simblee-led-onoff/app/libs/evothings/ui/fastclick.js @@ -0,0 +1,841 @@ +;(function () { + 'use strict'; + + /** + * @preserve FastClick: polyfill to remove click delays on browsers with touch UIs. + * + * @codingstandard ftlabs-jsv2 + * @copyright The Financial Times Limited [All Rights Reserved] + * @license MIT License (see LICENSE.txt) + */ + + /*jslint browser:true, node:true*/ + /*global define, Event, Node*/ + + + /** + * Instantiate fast-clicking listeners on the specified layer. + * + * @constructor + * @param {Element} layer The layer to listen on + * @param {Object} [options={}] The options to override the defaults + */ + function FastClick(layer, options) { + var oldOnClick; + + options = options || {}; + + /** + * Whether a click is currently being tracked. + * + * @type boolean + */ + this.trackingClick = false; + + + /** + * Timestamp for when click tracking started. + * + * @type number + */ + this.trackingClickStart = 0; + + + /** + * The element being tracked for a click. + * + * @type EventTarget + */ + this.targetElement = null; + + + /** + * X-coordinate of touch start event. + * + * @type number + */ + this.touchStartX = 0; + + + /** + * Y-coordinate of touch start event. + * + * @type number + */ + this.touchStartY = 0; + + + /** + * ID of the last touch, retrieved from Touch.identifier. + * + * @type number + */ + this.lastTouchIdentifier = 0; + + + /** + * Touchmove boundary, beyond which a click will be cancelled. + * + * @type number + */ + this.touchBoundary = options.touchBoundary || 10; + + + /** + * The FastClick layer. + * + * @type Element + */ + this.layer = layer; + + /** + * The minimum time between tap(touchstart and touchend) events + * + * @type number + */ + this.tapDelay = options.tapDelay || 200; + + /** + * The maximum time for a tap + * + * @type number + */ + this.tapTimeout = options.tapTimeout || 700; + + if (FastClick.notNeeded(layer)) { + return; + } + + // Some old versions of Android don't have Function.prototype.bind + function bind(method, context) { + return function() { return method.apply(context, arguments); }; + } + + + var methods = ['onMouse', 'onClick', 'onTouchStart', 'onTouchMove', 'onTouchEnd', 'onTouchCancel']; + var context = this; + for (var i = 0, l = methods.length; i < l; i++) { + context[methods[i]] = bind(context[methods[i]], context); + } + + // Set up event handlers as required + if (deviceIsAndroid) { + layer.addEventListener('mouseover', this.onMouse, true); + layer.addEventListener('mousedown', this.onMouse, true); + layer.addEventListener('mouseup', this.onMouse, true); + } + + layer.addEventListener('click', this.onClick, true); + layer.addEventListener('touchstart', this.onTouchStart, false); + layer.addEventListener('touchmove', this.onTouchMove, false); + layer.addEventListener('touchend', this.onTouchEnd, false); + layer.addEventListener('touchcancel', this.onTouchCancel, false); + + // Hack is required for browsers that don't support Event#stopImmediatePropagation (e.g. Android 2) + // which is how FastClick normally stops click events bubbling to callbacks registered on the FastClick + // layer when they are cancelled. + if (!Event.prototype.stopImmediatePropagation) { + layer.removeEventListener = function(type, callback, capture) { + var rmv = Node.prototype.removeEventListener; + if (type === 'click') { + rmv.call(layer, type, callback.hijacked || callback, capture); + } else { + rmv.call(layer, type, callback, capture); + } + }; + + layer.addEventListener = function(type, callback, capture) { + var adv = Node.prototype.addEventListener; + if (type === 'click') { + adv.call(layer, type, callback.hijacked || (callback.hijacked = function(event) { + if (!event.propagationStopped) { + callback(event); + } + }), capture); + } else { + adv.call(layer, type, callback, capture); + } + }; + } + + // If a handler is already declared in the element's onclick attribute, it will be fired before + // FastClick's onClick handler. Fix this by pulling out the user-defined handler function and + // adding it as listener. + if (typeof layer.onclick === 'function') { + + // Android browser on at least 3.2 requires a new reference to the function in layer.onclick + // - the old one won't work if passed to addEventListener directly. + oldOnClick = layer.onclick; + layer.addEventListener('click', function(event) { + oldOnClick(event); + }, false); + layer.onclick = null; + } + } + + /** + * Windows Phone 8.1 fakes user agent string to look like Android and iPhone. + * + * @type boolean + */ + var deviceIsWindowsPhone = navigator.userAgent.indexOf("Windows Phone") >= 0; + + /** + * Android requires exceptions. + * + * @type boolean + */ + var deviceIsAndroid = navigator.userAgent.indexOf('Android') > 0 && !deviceIsWindowsPhone; + + + /** + * iOS requires exceptions. + * + * @type boolean + */ + var deviceIsIOS = /iP(ad|hone|od)/.test(navigator.userAgent) && !deviceIsWindowsPhone; + + + /** + * iOS 4 requires an exception for select elements. + * + * @type boolean + */ + var deviceIsIOS4 = deviceIsIOS && (/OS 4_\d(_\d)?/).test(navigator.userAgent); + + + /** + * iOS 6.0-7.* requires the target element to be manually derived + * + * @type boolean + */ + var deviceIsIOSWithBadTarget = deviceIsIOS && (/OS [6-7]_\d/).test(navigator.userAgent); + + /** + * BlackBerry requires exceptions. + * + * @type boolean + */ + var deviceIsBlackBerry10 = navigator.userAgent.indexOf('BB10') > 0; + + /** + * Determine whether a given element requires a native click. + * + * @param {EventTarget|Element} target Target DOM element + * @returns {boolean} Returns true if the element needs a native click + */ + FastClick.prototype.needsClick = function(target) { + switch (target.nodeName.toLowerCase()) { + + // Don't send a synthetic click to disabled inputs (issue #62) + case 'button': + case 'select': + case 'textarea': + if (target.disabled) { + return true; + } + + break; + case 'input': + + // File inputs need real clicks on iOS 6 due to a browser bug (issue #68) + if ((deviceIsIOS && target.type === 'file') || target.disabled) { + return true; + } + + break; + case 'label': + case 'iframe': // iOS8 homescreen apps can prevent events bubbling into frames + case 'video': + return true; + } + + return (/\bneedsclick\b/).test(target.className); + }; + + + /** + * Determine whether a given element requires a call to focus to simulate click into element. + * + * @param {EventTarget|Element} target Target DOM element + * @returns {boolean} Returns true if the element requires a call to focus to simulate native click. + */ + FastClick.prototype.needsFocus = function(target) { + switch (target.nodeName.toLowerCase()) { + case 'textarea': + return true; + case 'select': + return !deviceIsAndroid; + case 'input': + switch (target.type) { + case 'button': + case 'checkbox': + case 'file': + case 'image': + case 'radio': + case 'submit': + return false; + } + + // No point in attempting to focus disabled inputs + return !target.disabled && !target.readOnly; + default: + return (/\bneedsfocus\b/).test(target.className); + } + }; + + + /** + * Send a click event to the specified element. + * + * @param {EventTarget|Element} targetElement + * @param {Event} event + */ + FastClick.prototype.sendClick = function(targetElement, event) { + var clickEvent, touch; + + // On some Android devices activeElement needs to be blurred otherwise the synthetic click will have no effect (#24) + if (document.activeElement && document.activeElement !== targetElement) { + document.activeElement.blur(); + } + + touch = event.changedTouches[0]; + + // Synthesise a click event, with an extra attribute so it can be tracked + clickEvent = document.createEvent('MouseEvents'); + clickEvent.initMouseEvent(this.determineEventType(targetElement), true, true, window, 1, touch.screenX, touch.screenY, touch.clientX, touch.clientY, false, false, false, false, 0, null); + clickEvent.forwardedTouchEvent = true; + targetElement.dispatchEvent(clickEvent); + }; + + FastClick.prototype.determineEventType = function(targetElement) { + + //Issue #159: Android Chrome Select Box does not open with a synthetic click event + if (deviceIsAndroid && targetElement.tagName.toLowerCase() === 'select') { + return 'mousedown'; + } + + return 'click'; + }; + + + /** + * @param {EventTarget|Element} targetElement + */ + FastClick.prototype.focus = function(targetElement) { + var length; + + // Issue #160: on iOS 7, some input elements (e.g. date datetime month) throw a vague TypeError on setSelectionRange. These elements don't have an integer value for the selectionStart and selectionEnd properties, but unfortunately that can't be used for detection because accessing the properties also throws a TypeError. Just check the type instead. Filed as Apple bug #15122724. + if (deviceIsIOS && targetElement.setSelectionRange && targetElement.type.indexOf('date') !== 0 && targetElement.type !== 'time' && targetElement.type !== 'month') { + length = targetElement.value.length; + targetElement.setSelectionRange(length, length); + } else { + targetElement.focus(); + } + }; + + + /** + * Check whether the given target element is a child of a scrollable layer and if so, set a flag on it. + * + * @param {EventTarget|Element} targetElement + */ + FastClick.prototype.updateScrollParent = function(targetElement) { + var scrollParent, parentElement; + + scrollParent = targetElement.fastClickScrollParent; + + // Attempt to discover whether the target element is contained within a scrollable layer. Re-check if the + // target element was moved to another parent. + if (!scrollParent || !scrollParent.contains(targetElement)) { + parentElement = targetElement; + do { + if (parentElement.scrollHeight > parentElement.offsetHeight) { + scrollParent = parentElement; + targetElement.fastClickScrollParent = parentElement; + break; + } + + parentElement = parentElement.parentElement; + } while (parentElement); + } + + // Always update the scroll top tracker if possible. + if (scrollParent) { + scrollParent.fastClickLastScrollTop = scrollParent.scrollTop; + } + }; + + + /** + * @param {EventTarget} targetElement + * @returns {Element|EventTarget} + */ + FastClick.prototype.getTargetElementFromEventTarget = function(eventTarget) { + + // On some older browsers (notably Safari on iOS 4.1 - see issue #56) the event target may be a text node. + if (eventTarget.nodeType === Node.TEXT_NODE) { + return eventTarget.parentNode; + } + + return eventTarget; + }; + + + /** + * On touch start, record the position and scroll offset. + * + * @param {Event} event + * @returns {boolean} + */ + FastClick.prototype.onTouchStart = function(event) { + var targetElement, touch, selection; + + // Ignore multiple touches, otherwise pinch-to-zoom is prevented if both fingers are on the FastClick element (issue #111). + if (event.targetTouches.length > 1) { + return true; + } + + targetElement = this.getTargetElementFromEventTarget(event.target); + touch = event.targetTouches[0]; + + if (deviceIsIOS) { + + // Only trusted events will deselect text on iOS (issue #49) + selection = window.getSelection(); + if (selection.rangeCount && !selection.isCollapsed) { + return true; + } + + if (!deviceIsIOS4) { + + // Weird things happen on iOS when an alert or confirm dialog is opened from a click event callback (issue #23): + // when the user next taps anywhere else on the page, new touchstart and touchend events are dispatched + // with the same identifier as the touch event that previously triggered the click that triggered the alert. + // Sadly, there is an issue on iOS 4 that causes some normal touch events to have the same identifier as an + // immediately preceeding touch event (issue #52), so this fix is unavailable on that platform. + // Issue 120: touch.identifier is 0 when Chrome dev tools 'Emulate touch events' is set with an iOS device UA string, + // which causes all touch events to be ignored. As this block only applies to iOS, and iOS identifiers are always long, + // random integers, it's safe to to continue if the identifier is 0 here. + if (touch.identifier && touch.identifier === this.lastTouchIdentifier) { + event.preventDefault(); + return false; + } + + this.lastTouchIdentifier = touch.identifier; + + // If the target element is a child of a scrollable layer (using -webkit-overflow-scrolling: touch) and: + // 1) the user does a fling scroll on the scrollable layer + // 2) the user stops the fling scroll with another tap + // then the event.target of the last 'touchend' event will be the element that was under the user's finger + // when the fling scroll was started, causing FastClick to send a click event to that layer - unless a check + // is made to ensure that a parent layer was not scrolled before sending a synthetic click (issue #42). + this.updateScrollParent(targetElement); + } + } + + this.trackingClick = true; + this.trackingClickStart = event.timeStamp; + this.targetElement = targetElement; + + this.touchStartX = touch.pageX; + this.touchStartY = touch.pageY; + + // Prevent phantom clicks on fast double-tap (issue #36) + if ((event.timeStamp - this.lastClickTime) < this.tapDelay) { + event.preventDefault(); + } + + return true; + }; + + + /** + * Based on a touchmove event object, check whether the touch has moved past a boundary since it started. + * + * @param {Event} event + * @returns {boolean} + */ + FastClick.prototype.touchHasMoved = function(event) { + var touch = event.changedTouches[0], boundary = this.touchBoundary; + + if (Math.abs(touch.pageX - this.touchStartX) > boundary || Math.abs(touch.pageY - this.touchStartY) > boundary) { + return true; + } + + return false; + }; + + + /** + * Update the last position. + * + * @param {Event} event + * @returns {boolean} + */ + FastClick.prototype.onTouchMove = function(event) { + if (!this.trackingClick) { + return true; + } + + // If the touch has moved, cancel the click tracking + if (this.targetElement !== this.getTargetElementFromEventTarget(event.target) || this.touchHasMoved(event)) { + this.trackingClick = false; + this.targetElement = null; + } + + return true; + }; + + + /** + * Attempt to find the labelled control for the given label element. + * + * @param {EventTarget|HTMLLabelElement} labelElement + * @returns {Element|null} + */ + FastClick.prototype.findControl = function(labelElement) { + + // Fast path for newer browsers supporting the HTML5 control attribute + if (labelElement.control !== undefined) { + return labelElement.control; + } + + // All browsers under test that support touch events also support the HTML5 htmlFor attribute + if (labelElement.htmlFor) { + return document.getElementById(labelElement.htmlFor); + } + + // If no for attribute exists, attempt to retrieve the first labellable descendant element + // the list of which is defined here: http://www.w3.org/TR/html5/forms.html#category-label + return labelElement.querySelector('button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea'); + }; + + + /** + * On touch end, determine whether to send a click event at once. + * + * @param {Event} event + * @returns {boolean} + */ + FastClick.prototype.onTouchEnd = function(event) { + var forElement, trackingClickStart, targetTagName, scrollParent, touch, targetElement = this.targetElement; + + if (!this.trackingClick) { + return true; + } + + // Prevent phantom clicks on fast double-tap (issue #36) + if ((event.timeStamp - this.lastClickTime) < this.tapDelay) { + this.cancelNextClick = true; + return true; + } + + if ((event.timeStamp - this.trackingClickStart) > this.tapTimeout) { + return true; + } + + // Reset to prevent wrong click cancel on input (issue #156). + this.cancelNextClick = false; + + this.lastClickTime = event.timeStamp; + + trackingClickStart = this.trackingClickStart; + this.trackingClick = false; + this.trackingClickStart = 0; + + // On some iOS devices, the targetElement supplied with the event is invalid if the layer + // is performing a transition or scroll, and has to be re-detected manually. Note that + // for this to function correctly, it must be called *after* the event target is checked! + // See issue #57; also filed as rdar://13048589 . + if (deviceIsIOSWithBadTarget) { + touch = event.changedTouches[0]; + + // In certain cases arguments of elementFromPoint can be negative, so prevent setting targetElement to null + targetElement = document.elementFromPoint(touch.pageX - window.pageXOffset, touch.pageY - window.pageYOffset) || targetElement; + targetElement.fastClickScrollParent = this.targetElement.fastClickScrollParent; + } + + targetTagName = targetElement.tagName.toLowerCase(); + if (targetTagName === 'label') { + forElement = this.findControl(targetElement); + if (forElement) { + this.focus(targetElement); + if (deviceIsAndroid) { + return false; + } + + targetElement = forElement; + } + } else if (this.needsFocus(targetElement)) { + + // Case 1: If the touch started a while ago (best guess is 100ms based on tests for issue #36) then focus will be triggered anyway. Return early and unset the target element reference so that the subsequent click will be allowed through. + // Case 2: Without this exception for input elements tapped when the document is contained in an iframe, then any inputted text won't be visible even though the value attribute is updated as the user types (issue #37). + if ((event.timeStamp - trackingClickStart) > 100 || (deviceIsIOS && window.top !== window && targetTagName === 'input')) { + this.targetElement = null; + return false; + } + + this.focus(targetElement); + this.sendClick(targetElement, event); + + // Select elements need the event to go through on iOS 4, otherwise the selector menu won't open. + // Also this breaks opening selects when VoiceOver is active on iOS6, iOS7 (and possibly others) + if (!deviceIsIOS || targetTagName !== 'select') { + this.targetElement = null; + event.preventDefault(); + } + + return false; + } + + if (deviceIsIOS && !deviceIsIOS4) { + + // Don't send a synthetic click event if the target element is contained within a parent layer that was scrolled + // and this tap is being used to stop the scrolling (usually initiated by a fling - issue #42). + scrollParent = targetElement.fastClickScrollParent; + if (scrollParent && scrollParent.fastClickLastScrollTop !== scrollParent.scrollTop) { + return true; + } + } + + // Prevent the actual click from going though - unless the target node is marked as requiring + // real clicks or if it is in the whitelist in which case only non-programmatic clicks are permitted. + if (!this.needsClick(targetElement)) { + event.preventDefault(); + this.sendClick(targetElement, event); + } + + return false; + }; + + + /** + * On touch cancel, stop tracking the click. + * + * @returns {void} + */ + FastClick.prototype.onTouchCancel = function() { + this.trackingClick = false; + this.targetElement = null; + }; + + + /** + * Determine mouse events which should be permitted. + * + * @param {Event} event + * @returns {boolean} + */ + FastClick.prototype.onMouse = function(event) { + + // If a target element was never set (because a touch event was never fired) allow the event + if (!this.targetElement) { + return true; + } + + if (event.forwardedTouchEvent) { + return true; + } + + // Programmatically generated events targeting a specific element should be permitted + if (!event.cancelable) { + return true; + } + + // Derive and check the target element to see whether the mouse event needs to be permitted; + // unless explicitly enabled, prevent non-touch click events from triggering actions, + // to prevent ghost/doubleclicks. + if (!this.needsClick(this.targetElement) || this.cancelNextClick) { + + // Prevent any user-added listeners declared on FastClick element from being fired. + if (event.stopImmediatePropagation) { + event.stopImmediatePropagation(); + } else { + + // Part of the hack for browsers that don't support Event#stopImmediatePropagation (e.g. Android 2) + event.propagationStopped = true; + } + + // Cancel the event + event.stopPropagation(); + event.preventDefault(); + + return false; + } + + // If the mouse event is permitted, return true for the action to go through. + return true; + }; + + + /** + * On actual clicks, determine whether this is a touch-generated click, a click action occurring + * naturally after a delay after a touch (which needs to be cancelled to avoid duplication), or + * an actual click which should be permitted. + * + * @param {Event} event + * @returns {boolean} + */ + FastClick.prototype.onClick = function(event) { + var permitted; + + // It's possible for another FastClick-like library delivered with third-party code to fire a click event before FastClick does (issue #44). In that case, set the click-tracking flag back to false and return early. This will cause onTouchEnd to return early. + if (this.trackingClick) { + this.targetElement = null; + this.trackingClick = false; + return true; + } + + // Very odd behaviour on iOS (issue #18): if a submit element is present inside a form and the user hits enter in the iOS simulator or clicks the Go button on the pop-up OS keyboard the a kind of 'fake' click event will be triggered with the submit-type input element as the target. + if (event.target.type === 'submit' && event.detail === 0) { + return true; + } + + permitted = this.onMouse(event); + + // Only unset targetElement if the click is not permitted. This will ensure that the check for !targetElement in onMouse fails and the browser's click doesn't go through. + if (!permitted) { + this.targetElement = null; + } + + // If clicks are permitted, return true for the action to go through. + return permitted; + }; + + + /** + * Remove all FastClick's event listeners. + * + * @returns {void} + */ + FastClick.prototype.destroy = function() { + var layer = this.layer; + + if (deviceIsAndroid) { + layer.removeEventListener('mouseover', this.onMouse, true); + layer.removeEventListener('mousedown', this.onMouse, true); + layer.removeEventListener('mouseup', this.onMouse, true); + } + + layer.removeEventListener('click', this.onClick, true); + layer.removeEventListener('touchstart', this.onTouchStart, false); + layer.removeEventListener('touchmove', this.onTouchMove, false); + layer.removeEventListener('touchend', this.onTouchEnd, false); + layer.removeEventListener('touchcancel', this.onTouchCancel, false); + }; + + + /** + * Check whether FastClick is needed. + * + * @param {Element} layer The layer to listen on + */ + FastClick.notNeeded = function(layer) { + var metaViewport; + var chromeVersion; + var blackberryVersion; + var firefoxVersion; + + // Devices that don't support touch don't need FastClick + if (typeof window.ontouchstart === 'undefined') { + return true; + } + + // Chrome version - zero for other browsers + chromeVersion = +(/Chrome\/([0-9]+)/.exec(navigator.userAgent) || [,0])[1]; + + if (chromeVersion) { + + if (deviceIsAndroid) { + metaViewport = document.querySelector('meta[name=viewport]'); + + if (metaViewport) { + // Chrome on Android with user-scalable="no" doesn't need FastClick (issue #89) + if (metaViewport.content.indexOf('user-scalable=no') !== -1) { + return true; + } + // Chrome 32 and above with width=device-width or less don't need FastClick + if (chromeVersion > 31 && document.documentElement.scrollWidth <= window.outerWidth) { + return true; + } + } + + // Chrome desktop doesn't need FastClick (issue #15) + } else { + return true; + } + } + + if (deviceIsBlackBerry10) { + blackberryVersion = navigator.userAgent.match(/Version\/([0-9]*)\.([0-9]*)/); + + // BlackBerry 10.3+ does not require Fastclick library. + // https://github.com/ftlabs/fastclick/issues/251 + if (blackberryVersion[1] >= 10 && blackberryVersion[2] >= 3) { + metaViewport = document.querySelector('meta[name=viewport]'); + + if (metaViewport) { + // user-scalable=no eliminates click delay. + if (metaViewport.content.indexOf('user-scalable=no') !== -1) { + return true; + } + // width=device-width (or less than device-width) eliminates click delay. + if (document.documentElement.scrollWidth <= window.outerWidth) { + return true; + } + } + } + } + + // IE10 with -ms-touch-action: none or manipulation, which disables double-tap-to-zoom (issue #97) + if (layer.style.msTouchAction === 'none' || layer.style.touchAction === 'manipulation') { + return true; + } + + // Firefox version - zero for other browsers + firefoxVersion = +(/Firefox\/([0-9]+)/.exec(navigator.userAgent) || [,0])[1]; + + if (firefoxVersion >= 27) { + // Firefox 27+ does not have tap delay if the content is not zoomable - https://bugzilla.mozilla.org/show_bug.cgi?id=922896 + + metaViewport = document.querySelector('meta[name=viewport]'); + if (metaViewport && (metaViewport.content.indexOf('user-scalable=no') !== -1 || document.documentElement.scrollWidth <= window.outerWidth)) { + return true; + } + } + + // IE11: prefixed -ms-touch-action is no longer supported and it's recomended to use non-prefixed version + // http://msdn.microsoft.com/en-us/library/windows/apps/Hh767313.aspx + if (layer.style.touchAction === 'none' || layer.style.touchAction === 'manipulation') { + return true; + } + + return false; + }; + + + /** + * Factory method for creating a FastClick object + * + * @param {Element} layer The layer to listen on + * @param {Object} [options={}] The options to override the defaults + */ + FastClick.attach = function(layer, options) { + return new FastClick(layer, options); + }; + + + if (typeof define === 'function' && typeof define.amd === 'object' && define.amd) { + + // AMD. Register as an anonymous module. + define(function() { + return FastClick; + }); + } else if (typeof module !== 'undefined' && module.exports) { + module.exports = FastClick.attach; + module.exports.FastClick = FastClick; + } else { + window.FastClick = FastClick; + } +}()); diff --git a/examples/simblee-led-onoff/app/libs/evothings/ui/ui.js b/examples/simblee-led-onoff/app/libs/evothings/ui/ui.js new file mode 100644 index 00000000..b3ab15e0 --- /dev/null +++ b/examples/simblee-led-onoff/app/libs/evothings/ui/ui.js @@ -0,0 +1,45 @@ +/* +Evothings UI functionality. + +FastClick is used to make UI responsive. +*/ + +;(function() +{ + // Special layout hack for iOS 7. + function applyiOS7LayoutHack() + { + // Set an absolute base font size in iOS 7 due to that viewport-relative + // font sizes doesn't work properly caused by the WebKit bug described at + // https://bugs.webkit.org/show_bug.cgi?id=131863. + if (evothings.os.isIOS7()) + { + document.body.style.fontSize = '20pt'; + } + } + + function applyUIUpdatesWhenPageHasLoaded() + { + var applyUIUpdates = function() { + applyiOS7LayoutHack(); + FastClick.attach(document.body); + } + + /* If the DOMContentLoaded event was already fired, apply the UI updates + * now, otherwise wait for the event. + */ + if (evothings.gotDOMContentLoaded) + { + applyUIUpdates() + } + else + { + window.addEventListener('DOMContentLoaded', applyUIUpdates) + } + } + + // Load FastClick, when loaded apply UI modifications. + evothings.loadScript( + 'libs/evothings/ui/fastclick.js', + applyUIUpdatesWhenPageHasLoaded); +})(); diff --git a/examples/simblee-led-onoff/app/libs/evothings/util/util.js b/examples/simblee-led-onoff/app/libs/evothings/util/util.js new file mode 100644 index 00000000..d657dcc5 --- /dev/null +++ b/examples/simblee-led-onoff/app/libs/evothings/util/util.js @@ -0,0 +1,219 @@ +// File: util.js + +evothings = window.evothings || {}; + +/** + * @namespace + * @author Aaron Ardiri + * @author Fredrik Eldh + * @description Utilities for byte arrays. + */ +evothings.util = {}; + +;(function() +{ + /** + * Interpret byte buffer as little endian 8 bit integer. + * Returns converted number. + * @param {ArrayBuffer} data - Input buffer. + * @param {number} offset - Start of data. + * @return Converted number. + * @public + */ + evothings.util.littleEndianToInt8 = function(data, offset) + { + var x = evothings.util.littleEndianToUint8(data, offset) + if (x & 0x80) x = x - 256 + return x + } + + /** + * Interpret byte buffer as unsigned little endian 8 bit integer. + * Returns converted number. + * @param {ArrayBuffer} data - Input buffer. + * @param {number} offset - Start of data. + * @return Converted number. + * @public + */ + evothings.util.littleEndianToUint8 = function(data, offset) + { + return data[offset] + } + + /** + * Interpret byte buffer as little endian 16 bit integer. + * Returns converted number. + * @param {ArrayBuffer} data - Input buffer. + * @param {number} offset - Start of data. + * @return Converted number. + * @public + */ + evothings.util.littleEndianToInt16 = function(data, offset) + { + return (evothings.util.littleEndianToInt8(data, offset + 1) << 8) + + evothings.util.littleEndianToUint8(data, offset) + } + + /** + * Interpret byte buffer as unsigned little endian 16 bit integer. + * Returns converted number. + * @param {ArrayBuffer} data - Input buffer. + * @param {number} offset - Start of data. + * @return Converted number. + * @public + */ + evothings.util.littleEndianToUint16 = function(data, offset) + { + return (evothings.util.littleEndianToUint8(data, offset + 1) << 8) + + evothings.util.littleEndianToUint8(data, offset) + } + + /** + * Interpret byte buffer as unsigned little endian 32 bit integer. + * Returns converted number. + * @param {ArrayBuffer} data - Input buffer. + * @param {number} offset - Start of data. + * @return Converted number. + * @public + */ + evothings.util.littleEndianToUint32 = function(data, offset) + { + return (evothings.util.littleEndianToUint8(data, offset + 3) << 24) + + (evothings.util.littleEndianToUint8(data, offset + 2) << 16) + + (evothings.util.littleEndianToUint8(data, offset + 1) << 8) + + evothings.util.littleEndianToUint8(data, offset) + } + + + /** + * Interpret byte buffer as signed big endian 16 bit integer. + * Returns converted number. + * @param {ArrayBuffer} data - Input buffer. + * @param {number} offset - Start of data. + * @return Converted number. + * @public + */ + evothings.util.bigEndianToInt16 = function(data, offset) + { + return (evothings.util.littleEndianToInt8(data, offset) << 8) + + evothings.util.littleEndianToUint8(data, offset + 1) + } + + /** + * Interpret byte buffer as unsigned big endian 16 bit integer. + * Returns converted number. + * @param {ArrayBuffer} data - Input buffer. + * @param {number} offset - Start of data. + * @return Converted number. + * @public + */ + evothings.util.bigEndianToUint16 = function(data, offset) + { + return (evothings.util.littleEndianToUint8(data, offset) << 8) + + evothings.util.littleEndianToUint8(data, offset + 1) + } + + /** + * Interpret byte buffer as unsigned big endian 32 bit integer. + * Returns converted number. + * @param {ArrayBuffer} data - Input buffer. + * @param {number} offset - Start of data. + * @return Converted number. + * @public + */ + evothings.util.bigEndianToUint32 = function(data, offset) + { + return (evothings.util.littleEndianToUint8(data, offset) << 24) + + (evothings.util.littleEndianToUint8(data, offset + 1) << 16) + + (evothings.util.littleEndianToUint8(data, offset + 2) << 8) + + evothings.util.littleEndianToUint8(data, offset + 3) + } + + /** + * Converts a single Base64 character to a 6-bit integer. + * @private + */ + function b64ToUint6(nChr) { + return nChr > 64 && nChr < 91 ? + nChr - 65 + : nChr > 96 && nChr < 123 ? + nChr - 71 + : nChr > 47 && nChr < 58 ? + nChr + 4 + : nChr === 43 ? + 62 + : nChr === 47 ? + 63 + : + 0; + } + + /** + * Decodes a Base64 string. Returns a Uint8Array. + * nBlocksSize is optional. + * @param {String} sBase64 + * @param {int} nBlocksSize + * @return {Uint8Array} + * @public + */ + evothings.util.base64DecToArr = function(sBase64, nBlocksSize) { + var sB64Enc = sBase64.replace(/[^A-Za-z0-9\+\/]/g, ""); + var nInLen = sB64Enc.length; + var nOutLen = nBlocksSize ? + Math.ceil((nInLen * 3 + 1 >> 2) / nBlocksSize) * nBlocksSize + : nInLen * 3 + 1 >> 2; + var taBytes = new Uint8Array(nOutLen); + + for (var nMod3, nMod4, nUint24 = 0, nOutIdx = 0, nInIdx = 0; nInIdx < nInLen; nInIdx++) { + nMod4 = nInIdx & 3; + nUint24 |= b64ToUint6(sB64Enc.charCodeAt(nInIdx)) << 18 - 6 * nMod4; + if (nMod4 === 3 || nInLen - nInIdx === 1) { + for (nMod3 = 0; nMod3 < 3 && nOutIdx < nOutLen; nMod3++, nOutIdx++) { + taBytes[nOutIdx] = nUint24 >>> (16 >>> nMod3 & 24) & 255; + } + nUint24 = 0; + } + } + + return taBytes; + } + + /** + * Returns the integer i in hexadecimal string form, + * with leading zeroes, such that + * the resulting 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