335 lines
8.5 KiB
JavaScript
335 lines
8.5 KiB
JavaScript
/**
|
|
* what-input - A global utility for tracking the current input method (mouse, keyboard or touch).
|
|
* @version v4.0.4
|
|
* @link https://github.com/ten1seven/what-input
|
|
* @license MIT
|
|
*/
|
|
(function webpackUniversalModuleDefinition(root, factory) {
|
|
if(typeof exports === 'object' && typeof module === 'object')
|
|
module.exports = factory();
|
|
else if(typeof define === 'function' && define.amd)
|
|
define("whatInput", [], factory);
|
|
else if(typeof exports === 'object')
|
|
exports["whatInput"] = factory();
|
|
else
|
|
root["whatInput"] = factory();
|
|
})(this, function() {
|
|
return /******/ (function(modules) { // webpackBootstrap
|
|
/******/ // The module cache
|
|
/******/ var installedModules = {};
|
|
|
|
/******/ // The require function
|
|
/******/ function __webpack_require__(moduleId) {
|
|
|
|
/******/ // Check if module is in cache
|
|
/******/ if(installedModules[moduleId])
|
|
/******/ return installedModules[moduleId].exports;
|
|
|
|
/******/ // Create a new module (and put it into the cache)
|
|
/******/ var module = installedModules[moduleId] = {
|
|
/******/ exports: {},
|
|
/******/ id: moduleId,
|
|
/******/ loaded: false
|
|
/******/ };
|
|
|
|
/******/ // Execute the module function
|
|
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
|
|
|
|
/******/ // Flag the module as loaded
|
|
/******/ module.loaded = true;
|
|
|
|
/******/ // Return the exports of the module
|
|
/******/ return module.exports;
|
|
/******/ }
|
|
|
|
|
|
/******/ // expose the modules object (__webpack_modules__)
|
|
/******/ __webpack_require__.m = modules;
|
|
|
|
/******/ // expose the module cache
|
|
/******/ __webpack_require__.c = installedModules;
|
|
|
|
/******/ // __webpack_public_path__
|
|
/******/ __webpack_require__.p = "";
|
|
|
|
/******/ // Load entry module and return exports
|
|
/******/ return __webpack_require__(0);
|
|
/******/ })
|
|
/************************************************************************/
|
|
/******/ ([
|
|
/* 0 */
|
|
/***/ function(module, exports) {
|
|
|
|
module.exports = (function() {
|
|
|
|
/*
|
|
---------------
|
|
Variables
|
|
---------------
|
|
*/
|
|
|
|
// cache document.documentElement
|
|
var docElem = document.documentElement;
|
|
|
|
// last used input type
|
|
var currentInput = 'initial';
|
|
|
|
// last used input intent
|
|
var currentIntent = null;
|
|
|
|
// form input types
|
|
var formInputs = [
|
|
'input',
|
|
'select',
|
|
'textarea'
|
|
];
|
|
|
|
// list of modifier keys commonly used with the mouse and
|
|
// can be safely ignored to prevent false keyboard detection
|
|
var ignoreMap = [
|
|
16, // shift
|
|
17, // control
|
|
18, // alt
|
|
91, // Windows key / left Apple cmd
|
|
93 // Windows menu / right Apple cmd
|
|
];
|
|
|
|
// mapping of events to input types
|
|
var inputMap = {
|
|
'keyup': 'keyboard',
|
|
'mousedown': 'mouse',
|
|
'mousemove': 'mouse',
|
|
'MSPointerDown': 'pointer',
|
|
'MSPointerMove': 'pointer',
|
|
'pointerdown': 'pointer',
|
|
'pointermove': 'pointer',
|
|
'touchstart': 'touch'
|
|
};
|
|
|
|
// array of all used input types
|
|
var inputTypes = [];
|
|
|
|
// boolean: true if touch buffer timer is running
|
|
var isBuffering = false;
|
|
|
|
// map of IE 10 pointer events
|
|
var pointerMap = {
|
|
2: 'touch',
|
|
3: 'touch', // treat pen like touch
|
|
4: 'mouse'
|
|
};
|
|
|
|
// touch buffer timer
|
|
var touchTimer = null;
|
|
|
|
|
|
/*
|
|
---------------
|
|
Set up
|
|
---------------
|
|
*/
|
|
|
|
var setUp = function() {
|
|
|
|
// add correct mouse wheel event mapping to `inputMap`
|
|
inputMap[detectWheel()] = 'mouse';
|
|
|
|
addListeners();
|
|
setInput();
|
|
};
|
|
|
|
|
|
/*
|
|
---------------
|
|
Events
|
|
---------------
|
|
*/
|
|
|
|
var addListeners = function() {
|
|
|
|
// `pointermove`, `MSPointerMove`, `mousemove` and mouse wheel event binding
|
|
// can only demonstrate potential, but not actual, interaction
|
|
// and are treated separately
|
|
|
|
// pointer events (mouse, pen, touch)
|
|
if (window.PointerEvent) {
|
|
docElem.addEventListener('pointerdown', updateInput);
|
|
docElem.addEventListener('pointermove', setIntent);
|
|
} else if (window.MSPointerEvent) {
|
|
docElem.addEventListener('MSPointerDown', updateInput);
|
|
docElem.addEventListener('MSPointerMove', setIntent);
|
|
} else {
|
|
|
|
// mouse events
|
|
docElem.addEventListener('mousedown', updateInput);
|
|
docElem.addEventListener('mousemove', setIntent);
|
|
|
|
// touch events
|
|
if ('ontouchstart' in window) {
|
|
docElem.addEventListener('touchstart', touchBuffer);
|
|
}
|
|
}
|
|
|
|
// mouse wheel
|
|
docElem.addEventListener(detectWheel(), setIntent);
|
|
|
|
// keyboard events
|
|
docElem.addEventListener('keydown', updateInput);
|
|
docElem.addEventListener('keyup', updateInput);
|
|
};
|
|
|
|
// checks conditions before updating new input
|
|
var updateInput = function(event) {
|
|
|
|
// only execute if the touch buffer timer isn't running
|
|
if (!isBuffering) {
|
|
var eventKey = event.which;
|
|
var value = inputMap[event.type];
|
|
if (value === 'pointer') value = pointerType(event);
|
|
|
|
if (
|
|
currentInput !== value ||
|
|
currentIntent !== value
|
|
) {
|
|
|
|
var activeInput = (
|
|
document.activeElement &&
|
|
formInputs.indexOf(document.activeElement.nodeName.toLowerCase()) === -1
|
|
) ? true : false;
|
|
|
|
if (
|
|
value === 'touch' ||
|
|
|
|
// ignore mouse modifier keys
|
|
(value === 'mouse' && ignoreMap.indexOf(eventKey) === -1) ||
|
|
|
|
// don't switch if the current element is a form input
|
|
(value === 'keyboard' && activeInput)
|
|
) {
|
|
|
|
// set the current and catch-all variable
|
|
currentInput = currentIntent = value;
|
|
|
|
setInput();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
// updates the doc and `inputTypes` array with new input
|
|
var setInput = function() {
|
|
docElem.setAttribute('data-whatinput', currentInput);
|
|
docElem.setAttribute('data-whatintent', currentInput);
|
|
|
|
if (inputTypes.indexOf(currentInput) === -1) {
|
|
inputTypes.push(currentInput);
|
|
docElem.className += ' whatinput-types-' + currentInput;
|
|
}
|
|
};
|
|
|
|
// updates input intent for `mousemove` and `pointermove`
|
|
var setIntent = function(event) {
|
|
|
|
// only execute if the touch buffer timer isn't running
|
|
if (!isBuffering) {
|
|
var value = inputMap[event.type];
|
|
if (value === 'pointer') value = pointerType(event);
|
|
|
|
if (currentIntent !== value) {
|
|
currentIntent = value;
|
|
|
|
docElem.setAttribute('data-whatintent', currentIntent);
|
|
}
|
|
}
|
|
};
|
|
|
|
// buffers touch events because they frequently also fire mouse events
|
|
var touchBuffer = function(event) {
|
|
|
|
// clear the timer if it happens to be running
|
|
window.clearTimeout(touchTimer);
|
|
|
|
// set the current input
|
|
updateInput(event);
|
|
|
|
// set the isBuffering to `true`
|
|
isBuffering = true;
|
|
|
|
// run the timer
|
|
touchTimer = window.setTimeout(function() {
|
|
|
|
// if the timer runs out, set isBuffering back to `false`
|
|
isBuffering = false;
|
|
}, 200);
|
|
};
|
|
|
|
|
|
/*
|
|
---------------
|
|
Utilities
|
|
---------------
|
|
*/
|
|
|
|
var pointerType = function(event) {
|
|
if (typeof event.pointerType === 'number') {
|
|
return pointerMap[event.pointerType];
|
|
} else {
|
|
return (event.pointerType === 'pen') ? 'touch' : event.pointerType; // treat pen like touch
|
|
}
|
|
};
|
|
|
|
// detect version of mouse wheel event to use
|
|
// via https://developer.mozilla.org/en-US/docs/Web/Events/wheel
|
|
var detectWheel = function() {
|
|
return 'onwheel' in document.createElement('div') ?
|
|
'wheel' : // Modern browsers support "wheel"
|
|
|
|
document.onmousewheel !== undefined ?
|
|
'mousewheel' : // Webkit and IE support at least "mousewheel"
|
|
'DOMMouseScroll'; // let's assume that remaining browsers are older Firefox
|
|
};
|
|
|
|
|
|
/*
|
|
---------------
|
|
Init
|
|
|
|
don't start script unless browser cuts the mustard
|
|
(also passes if polyfills are used)
|
|
---------------
|
|
*/
|
|
|
|
if (
|
|
'addEventListener' in window &&
|
|
Array.prototype.indexOf
|
|
) {
|
|
setUp();
|
|
}
|
|
|
|
|
|
/*
|
|
---------------
|
|
API
|
|
---------------
|
|
*/
|
|
|
|
return {
|
|
|
|
// returns string: the current input type
|
|
// opt: 'loose'|'strict'
|
|
// 'strict' (default): returns the same value as the `data-whatinput` attribute
|
|
// 'loose': includes `data-whatintent` value if it's more current than `data-whatinput`
|
|
ask: function(opt) { return (opt === 'loose') ? currentIntent : currentInput; },
|
|
|
|
// returns array: all the detected input types
|
|
types: function() { return inputTypes; }
|
|
|
|
};
|
|
|
|
}());
|
|
|
|
|
|
/***/ }
|
|
/******/ ])
|
|
});
|
|
; |