5 | * @license MIT
6 | */
7 | (function (global, factory) {
8 | typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
9 | typeof define === 'function' && define.amd ? define(factory) :
10 | (global = global || self, global.Sortable = factory());
11 | }(this, function () { 'use strict';
12 |
13 | function _typeof(obj) {
14 | if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
15 | _typeof = function (obj) {
16 | return typeof obj;
17 | };
18 | } else {
19 | _typeof = function (obj) {
20 | return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
21 | };
22 | }
23 |
24 | return _typeof(obj);
25 | }
26 |
27 | function _defineProperty(obj, key, value) {
28 | if (key in obj) {
29 | Object.defineProperty(obj, key, {
30 | value: value,
31 | enumerable: true,
32 | configurable: true,
33 | writable: true
34 | });
35 | } else {
36 | obj[key] = value;
37 | }
38 |
39 | return obj;
40 | }
41 |
42 | function _extends() {
43 | _extends = Object.assign || function (target) {
44 | for (var i = 1; i < arguments.length; i++) {
45 | var source = arguments[i];
46 |
47 | for (var key in source) {
48 | if (Object.prototype.hasOwnProperty.call(source, key)) {
49 | target[key] = source[key];
50 | }
51 | }
52 | }
53 |
54 | return target;
55 | };
56 |
57 | return _extends.apply(this, arguments);
58 | }
59 |
60 | function _objectSpread(target) {
61 | for (var i = 1; i < arguments.length; i++) {
62 | var source = arguments[i] != null ? arguments[i] : {};
63 | var ownKeys = Object.keys(source);
64 |
65 | if (typeof Object.getOwnPropertySymbols === 'function') {
66 | ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) {
67 | return Object.getOwnPropertyDescriptor(source, sym).enumerable;
68 | }));
69 | }
70 |
71 | ownKeys.forEach(function (key) {
72 | _defineProperty(target, key, source[key]);
73 | });
74 | }
75 |
76 | return target;
77 | }
78 |
79 | function _objectWithoutPropertiesLoose(source, excluded) {
80 | if (source == null) return {};
81 | var target = {};
82 | var sourceKeys = Object.keys(source);
83 | var key, i;
84 |
85 | for (i = 0; i < sourceKeys.length; i++) {
86 | key = sourceKeys[i];
87 | if (excluded.indexOf(key) >= 0) continue;
88 | target[key] = source[key];
89 | }
90 |
91 | return target;
92 | }
93 |
94 | function _objectWithoutProperties(source, excluded) {
95 | if (source == null) return {};
96 |
97 | var target = _objectWithoutPropertiesLoose(source, excluded);
98 |
99 | var key, i;
100 |
101 | if (Object.getOwnPropertySymbols) {
102 | var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
103 |
104 | for (i = 0; i < sourceSymbolKeys.length; i++) {
105 | key = sourceSymbolKeys[i];
106 | if (excluded.indexOf(key) >= 0) continue;
107 | if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
108 | target[key] = source[key];
109 | }
110 | }
111 |
112 | return target;
113 | }
114 |
115 | function _toConsumableArray(arr) {
116 | return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread();
117 | }
118 |
119 | function _arrayWithoutHoles(arr) {
120 | if (Array.isArray(arr)) {
121 | for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
122 |
123 | return arr2;
124 | }
125 | }
126 |
127 | function _iterableToArray(iter) {
128 | if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
129 | }
130 |
131 | function _nonIterableSpread() {
132 | throw new TypeError("Invalid attempt to spread non-iterable instance");
133 | }
134 |
135 | var version = "1.10.2";
136 |
137 | function userAgent(pattern) {
138 | if (typeof window !== 'undefined' && window.navigator) {
139 | return !!
140 | /*@__PURE__*/
141 | navigator.userAgent.match(pattern);
142 | }
143 | }
144 |
145 | var IE11OrLess = userAgent(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i);
146 | var Edge = userAgent(/Edge/i);
147 | var FireFox = userAgent(/firefox/i);
148 | var Safari = userAgent(/safari/i) && !userAgent(/chrome/i) && !userAgent(/android/i);
149 | var IOS = userAgent(/iP(ad|od|hone)/i);
150 | var ChromeForAndroid = userAgent(/chrome/i) && userAgent(/android/i);
151 |
152 | var captureMode = {
153 | capture: false,
154 | passive: false
155 | };
156 |
157 | function on(el, event, fn) {
158 | el.addEventListener(event, fn, !IE11OrLess && captureMode);
159 | }
160 |
161 | function off(el, event, fn) {
162 | el.removeEventListener(event, fn, !IE11OrLess && captureMode);
163 | }
164 |
165 | function matches(
166 | /**HTMLElement*/
167 | el,
168 | /**String*/
169 | selector) {
170 | if (!selector) return;
171 | selector[0] === '>' && (selector = selector.substring(1));
172 |
173 | if (el) {
174 | try {
175 | if (el.matches) {
176 | return el.matches(selector);
177 | } else if (el.msMatchesSelector) {
178 | return el.msMatchesSelector(selector);
179 | } else if (el.webkitMatchesSelector) {
180 | return el.webkitMatchesSelector(selector);
181 | }
182 | } catch (_) {
183 | return false;
184 | }
185 | }
186 |
187 | return false;
188 | }
189 |
190 | function getParentOrHost(el) {
191 | return el.host && el !== document && el.host.nodeType ? el.host : el.parentNode;
192 | }
193 |
194 | function closest(
195 | /**HTMLElement*/
196 | el,
197 | /**String*/
198 | selector,
199 | /**HTMLElement*/
200 | ctx, includeCTX) {
201 | if (el) {
202 | ctx = ctx || document;
203 |
204 | do {
205 | if (selector != null && (selector[0] === '>' ? el.parentNode === ctx && matches(el, selector) : matches(el, selector)) || includeCTX && el === ctx) {
206 | return el;
207 | }
208 |
209 | if (el === ctx) break;
210 | /* jshint boss:true */
211 | } while (el = getParentOrHost(el));
212 | }
213 |
214 | return null;
215 | }
216 |
217 | var R_SPACE = /\s+/g;
218 |
219 | function toggleClass(el, name, state) {
220 | if (el && name) {
221 | if (el.classList) {
222 | el.classList[state ? 'add' : 'remove'](name);
223 | } else {
224 | var className = (' ' + el.className + ' ').replace(R_SPACE, ' ').replace(' ' + name + ' ', ' ');
225 | el.className = (className + (state ? ' ' + name : '')).replace(R_SPACE, ' ');
226 | }
227 | }
228 | }
229 |
230 | function css(el, prop, val) {
231 | var style = el && el.style;
232 |
233 | if (style) {
234 | if (val === void 0) {
235 | if (document.defaultView && document.defaultView.getComputedStyle) {
236 | val = document.defaultView.getComputedStyle(el, '');
237 | } else if (el.currentStyle) {
238 | val = el.currentStyle;
239 | }
240 |
241 | return prop === void 0 ? val : val[prop];
242 | } else {
243 | if (!(prop in style) && prop.indexOf('webkit') === -1) {
244 | prop = '-webkit-' + prop;
245 | }
246 |
247 | style[prop] = val + (typeof val === 'string' ? '' : 'px');
248 | }
249 | }
250 | }
251 |
252 | function matrix(el, selfOnly) {
253 | var appliedTransforms = '';
254 |
255 | if (typeof el === 'string') {
256 | appliedTransforms = el;
257 | } else {
258 | do {
259 | var transform = css(el, 'transform');
260 |
261 | if (transform && transform !== 'none') {
262 | appliedTransforms = transform + ' ' + appliedTransforms;
263 | }
264 | /* jshint boss:true */
265 |
266 | } while (!selfOnly && (el = el.parentNode));
267 | }
268 |
269 | var matrixFn = window.DOMMatrix || window.WebKitCSSMatrix || window.CSSMatrix || window.MSCSSMatrix;
270 | /*jshint -W056 */
271 |
272 | return matrixFn && new matrixFn(appliedTransforms);
273 | }
274 |
275 | function find(ctx, tagName, iterator) {
276 | if (ctx) {
277 | var list = ctx.getElementsByTagName(tagName),
278 | i = 0,
279 | n = list.length;
280 |
281 | if (iterator) {
282 | for (; i < n; i++) {
283 | iterator(list[i], i);
284 | }
285 | }
286 |
287 | return list;
288 | }
289 |
290 | return [];
291 | }
292 |
293 | function getWindowScrollingElement() {
294 | var scrollingElement = document.scrollingElement;
295 |
296 | if (scrollingElement) {
297 | return scrollingElement;
298 | } else {
299 | return document.documentElement;
300 | }
301 | }
302 | /**
303 | * Returns the "bounding client rect" of given element
304 | * @param {HTMLElement} el The element whose boundingClientRect is wanted
305 | * @param {[Boolean]} relativeToContainingBlock Whether the rect should be relative to the containing block of (including) the container
306 | * @param {[Boolean]} relativeToNonStaticParent Whether the rect should be relative to the relative parent of (including) the contaienr
307 | * @param {[Boolean]} undoScale Whether the container's scale() should be undone
308 | * @param {[HTMLElement]} container The parent the element will be placed in
309 | * @return {Object} The boundingClientRect of el, with specified adjustments
310 | */
311 |
312 |
313 | function getRect(el, relativeToContainingBlock, relativeToNonStaticParent, undoScale, container) {
314 | if (!el.getBoundingClientRect && el !== window) return;
315 | var elRect, top, left, bottom, right, height, width;
316 |
317 | if (el !== window && el !== getWindowScrollingElement()) {
318 | elRect = el.getBoundingClientRect();
319 | top = elRect.top;
320 | left = elRect.left;
321 | bottom = elRect.bottom;
322 | right = elRect.right;
323 | height = elRect.height;
324 | width = elRect.width;
325 | } else {
326 | top = 0;
327 | left = 0;
328 | bottom = window.innerHeight;
329 | right = window.innerWidth;
330 | height = window.innerHeight;
331 | width = window.innerWidth;
332 | }
333 |
334 | if ((relativeToContainingBlock || relativeToNonStaticParent) && el !== window) {
335 | // Adjust for translate()
336 | container = container || el.parentNode; // solves #1123 (see: https://stackoverflow.com/a/37953806/6088312)
337 | // Not needed on <= IE11
338 |
339 | if (!IE11OrLess) {
340 | do {
341 | if (container && container.getBoundingClientRect && (css(container, 'transform') !== 'none' || relativeToNonStaticParent && css(container, 'position') !== 'static')) {
342 | var containerRect = container.getBoundingClientRect(); // Set relative to edges of padding box of container
343 |
344 | top -= containerRect.top + parseInt(css(container, 'border-top-width'));
345 | left -= containerRect.left + parseInt(css(container, 'border-left-width'));
346 | bottom = top + elRect.height;
347 | right = left + elRect.width;
348 | break;
349 | }
350 | /* jshint boss:true */
351 |
352 | } while (container = container.parentNode);
353 | }
354 | }
355 |
356 | if (undoScale && el !== window) {
357 | // Adjust for scale()
358 | var elMatrix = matrix(container || el),
359 | scaleX = elMatrix && elMatrix.a,
360 | scaleY = elMatrix && elMatrix.d;
361 |
362 | if (elMatrix) {
363 | top /= scaleY;
364 | left /= scaleX;
365 | width /= scaleX;
366 | height /= scaleY;
367 | bottom = top + height;
368 | right = left + width;
369 | }
370 | }
371 |
372 | return {
373 | top: top,
374 | left: left,
375 | bottom: bottom,
376 | right: right,
377 | width: width,
378 | height: height
379 | };
380 | }
381 | /**
382 | * Checks if a side of an element is scrolled past a side of its parents
383 | * @param {HTMLElement} el The element who's side being scrolled out of view is in question
384 | * @param {String} elSide Side of the element in question ('top', 'left', 'right', 'bottom')
385 | * @param {String} parentSide Side of the parent in question ('top', 'left', 'right', 'bottom')
386 | * @return {HTMLElement} The parent scroll element that the el's side is scrolled past, or null if there is no such element
387 | */
388 |
389 |
390 | function isScrolledPast(el, elSide, parentSide) {
391 | var parent = getParentAutoScrollElement(el, true),
392 | elSideVal = getRect(el)[elSide];
393 | /* jshint boss:true */
394 |
395 | while (parent) {
396 | var parentSideVal = getRect(parent)[parentSide],
397 | visible = void 0;
398 |
399 | if (parentSide === 'top' || parentSide === 'left') {
400 | visible = elSideVal >= parentSideVal;
401 | } else {
402 | visible = elSideVal <= parentSideVal;
403 | }
404 |
405 | if (!visible) return parent;
406 | if (parent === getWindowScrollingElement()) break;
407 | parent = getParentAutoScrollElement(parent, false);
408 | }
409 |
410 | return false;
411 | }
412 | /**
413 | * Gets nth child of el, ignoring hidden children, sortable's elements (does not ignore clone if it's visible)
414 | * and non-draggable elements
415 | * @param {HTMLElement} el The parent element
416 | * @param {Number} childNum The index of the child
417 | * @param {Object} options Parent Sortable's options
418 | * @return {HTMLElement} The child at index childNum, or null if not found
419 | */
420 |
421 |
422 | function getChild(el, childNum, options) {
423 | var currentChild = 0,
424 | i = 0,
425 | children = el.children;
426 |
427 | while (i < children.length) {
428 | if (children[i].style.display !== 'none' && children[i] !== Sortable.ghost && children[i] !== Sortable.dragged && closest(children[i], options.draggable, el, false)) {
429 | if (currentChild === childNum) {
430 | return children[i];
431 | }
432 |
433 | currentChild++;
434 | }
435 |
436 | i++;
437 | }
438 |
439 | return null;
440 | }
441 | /**
442 | * Gets the last child in the el, ignoring ghostEl or invisible elements (clones)
443 | * @param {HTMLElement} el Parent element
444 | * @param {selector} selector Any other elements that should be ignored
445 | * @return {HTMLElement} The last child, ignoring ghostEl
446 | */
447 |
448 |
449 | function lastChild(el, selector) {
450 | var last = el.lastElementChild;
451 |
452 | while (last && (last === Sortable.ghost || css(last, 'display') === 'none' || selector && !matches(last, selector))) {
453 | last = last.previousElementSibling;
454 | }
455 |
456 | return last || null;
457 | }
458 | /**
459 | * Returns the index of an element within its parent for a selected set of
460 | * elements
461 | * @param {HTMLElement} el
462 | * @param {selector} selector
463 | * @return {number}
464 | */
465 |
466 |
467 | function index(el, selector) {
468 | var index = 0;
469 |
470 | if (!el || !el.parentNode) {
471 | return -1;
472 | }
473 | /* jshint boss:true */
474 |
475 |
476 | while (el = el.previousElementSibling) {
477 | if (el.nodeName.toUpperCase() !== 'TEMPLATE' && el !== Sortable.clone && (!selector || matches(el, selector))) {
478 | index++;
479 | }
480 | }
481 |
482 | return index;
483 | }
484 | /**
485 | * Returns the scroll offset of the given element, added with all the scroll offsets of parent elements.
486 | * The value is returned in real pixels.
487 | * @param {HTMLElement} el
488 | * @return {Array} Offsets in the format of [left, top]
489 | */
490 |
491 |
492 | function getRelativeScrollOffset(el) {
493 | var offsetLeft = 0,
494 | offsetTop = 0,
495 | winScroller = getWindowScrollingElement();
496 |
497 | if (el) {
498 | do {
499 | var elMatrix = matrix(el),
500 | scaleX = elMatrix.a,
501 | scaleY = elMatrix.d;
502 | offsetLeft += el.scrollLeft * scaleX;
503 | offsetTop += el.scrollTop * scaleY;
504 | } while (el !== winScroller && (el = el.parentNode));
505 | }
506 |
507 | return [offsetLeft, offsetTop];
508 | }
509 | /**
510 | * Returns the index of the object within the given array
511 | * @param {Array} arr Array that may or may not hold the object
512 | * @param {Object} obj An object that has a key-value pair unique to and identical to a key-value pair in the object you want to find
513 | * @return {Number} The index of the object in the array, or -1
514 | */
515 |
516 |
517 | function indexOfObject(arr, obj) {
518 | for (var i in arr) {
519 | if (!arr.hasOwnProperty(i)) continue;
520 |
521 | for (var key in obj) {
522 | if (obj.hasOwnProperty(key) && obj[key] === arr[i][key]) return Number(i);
523 | }
524 | }
525 |
526 | return -1;
527 | }
528 |
529 | function getParentAutoScrollElement(el, includeSelf) {
530 | // skip to window
531 | if (!el || !el.getBoundingClientRect) return getWindowScrollingElement();
532 | var elem = el;
533 | var gotSelf = false;
534 |
535 | do {
536 | // we don't need to get elem css if it isn't even overflowing in the first place (performance)
537 | if (elem.clientWidth < elem.scrollWidth || elem.clientHeight < elem.scrollHeight) {
538 | var elemCSS = css(elem);
539 |
540 | if (elem.clientWidth < elem.scrollWidth && (elemCSS.overflowX == 'auto' || elemCSS.overflowX == 'scroll') || elem.clientHeight < elem.scrollHeight && (elemCSS.overflowY == 'auto' || elemCSS.overflowY == 'scroll')) {
541 | if (!elem.getBoundingClientRect || elem === document.body) return getWindowScrollingElement();
542 | if (gotSelf || includeSelf) return elem;
543 | gotSelf = true;
544 | }
545 | }
546 | /* jshint boss:true */
547 |
548 | } while (elem = elem.parentNode);
549 |
550 | return getWindowScrollingElement();
551 | }
552 |
553 | function extend(dst, src) {
554 | if (dst && src) {
555 | for (var key in src) {
556 | if (src.hasOwnProperty(key)) {
557 | dst[key] = src[key];
558 | }
559 | }
560 | }
561 |
562 | return dst;
563 | }
564 |
565 | function isRectEqual(rect1, rect2) {
566 | return Math.round(rect1.top) === Math.round(rect2.top) && Math.round(rect1.left) === Math.round(rect2.left) && Math.round(rect1.height) === Math.round(rect2.height) && Math.round(rect1.width) === Math.round(rect2.width);
567 | }
568 |
569 | var _throttleTimeout;
570 |
571 | function throttle(callback, ms) {
572 | return function () {
573 | if (!_throttleTimeout) {
574 | var args = arguments,
575 | _this = this;
576 |
577 | if (args.length === 1) {
578 | callback.call(_this, args[0]);
579 | } else {
580 | callback.apply(_this, args);
581 | }
582 |
583 | _throttleTimeout = setTimeout(function () {
584 | _throttleTimeout = void 0;
585 | }, ms);
586 | }
587 | };
588 | }
589 |
590 | function cancelThrottle() {
591 | clearTimeout(_throttleTimeout);
592 | _throttleTimeout = void 0;
593 | }
594 |
595 | function scrollBy(el, x, y) {
596 | el.scrollLeft += x;
597 | el.scrollTop += y;
598 | }
599 |
600 | function clone(el) {
601 | var Polymer = window.Polymer;
602 | var $ = window.jQuery || window.Zepto;
603 |
604 | if (Polymer && Polymer.dom) {
605 | return Polymer.dom(el).cloneNode(true);
606 | } else if ($) {
607 | return $(el).clone(true)[0];
608 | } else {
609 | return el.cloneNode(true);
610 | }
611 | }
612 |
613 | function setRect(el, rect) {
614 | css(el, 'position', 'absolute');
615 | css(el, 'top', rect.top);
616 | css(el, 'left', rect.left);
617 | css(el, 'width', rect.width);
618 | css(el, 'height', rect.height);
619 | }
620 |
621 | function unsetRect(el) {
622 | css(el, 'position', '');
623 | css(el, 'top', '');
624 | css(el, 'left', '');
625 | css(el, 'width', '');
626 | css(el, 'height', '');
627 | }
628 |
629 | var expando = 'Sortable' + new Date().getTime();
630 |
631 | function AnimationStateManager() {
632 | var animationStates = [],
633 | animationCallbackId;
634 | return {
635 | captureAnimationState: function captureAnimationState() {
636 | animationStates = [];
637 | if (!this.options.animation) return;
638 | var children = [].slice.call(this.el.children);
639 | children.forEach(function (child) {
640 | if (css(child, 'display') === 'none' || child === Sortable.ghost) return;
641 | animationStates.push({
642 | target: child,
643 | rect: getRect(child)
644 | });
645 |
646 | var fromRect = _objectSpread({}, animationStates[animationStates.length - 1].rect); // If animating: compensate for current animation
647 |
648 |
649 | if (child.thisAnimationDuration) {
650 | var childMatrix = matrix(child, true);
651 |
652 | if (childMatrix) {
653 | fromRect.top -= childMatrix.f;
654 | fromRect.left -= childMatrix.e;
655 | }
656 | }
657 |
658 | child.fromRect = fromRect;
659 | });
660 | },
661 | addAnimationState: function addAnimationState(state) {
662 | animationStates.push(state);
663 | },
664 | removeAnimationState: function removeAnimationState(target) {
665 | animationStates.splice(indexOfObject(animationStates, {
666 | target: target
667 | }), 1);
668 | },
669 | animateAll: function animateAll(callback) {
670 | var _this = this;
671 |
672 | if (!this.options.animation) {
673 | clearTimeout(animationCallbackId);
674 | if (typeof callback === 'function') callback();
675 | return;
676 | }
677 |
678 | var animating = false,
679 | animationTime = 0;
680 | animationStates.forEach(function (state) {
681 | var time = 0,
682 | target = state.target,
683 | fromRect = target.fromRect,
684 | toRect = getRect(target),
685 | prevFromRect = target.prevFromRect,
686 | prevToRect = target.prevToRect,
687 | animatingRect = state.rect,
688 | targetMatrix = matrix(target, true);
689 |
690 | if (targetMatrix) {
691 | // Compensate for current animation
692 | toRect.top -= targetMatrix.f;
693 | toRect.left -= targetMatrix.e;
694 | }
695 |
696 | target.toRect = toRect;
697 |
698 | if (target.thisAnimationDuration) {
699 | // Could also check if animatingRect is between fromRect and toRect
700 | if (isRectEqual(prevFromRect, toRect) && !isRectEqual(fromRect, toRect) && // Make sure animatingRect is on line between toRect & fromRect
701 | (animatingRect.top - toRect.top) / (animatingRect.left - toRect.left) === (fromRect.top - toRect.top) / (fromRect.left - toRect.left)) {
702 | // If returning to same place as started from animation and on same axis
703 | time = calculateRealTime(animatingRect, prevFromRect, prevToRect, _this.options);
704 | }
705 | } // if fromRect != toRect: animate
706 |
707 |
708 | if (!isRectEqual(toRect, fromRect)) {
709 | target.prevFromRect = fromRect;
710 | target.prevToRect = toRect;
711 |
712 | if (!time) {
713 | time = _this.options.animation;
714 | }
715 |
716 | _this.animate(target, animatingRect, toRect, time);
717 | }
718 |
719 | if (time) {
720 | animating = true;
721 | animationTime = Math.max(animationTime, time);
722 | clearTimeout(target.animationResetTimer);
723 | target.animationResetTimer = setTimeout(function () {
724 | target.animationTime = 0;
725 | target.prevFromRect = null;
726 | target.fromRect = null;
727 | target.prevToRect = null;
728 | target.thisAnimationDuration = null;
729 | }, time);
730 | target.thisAnimationDuration = time;
731 | }
732 | });
733 | clearTimeout(animationCallbackId);
734 |
735 | if (!animating) {
736 | if (typeof callback === 'function') callback();
737 | } else {
738 | animationCallbackId = setTimeout(function () {
739 | if (typeof callback === 'function') callback();
740 | }, animationTime);
741 | }
742 |
743 | animationStates = [];
744 | },
745 | animate: function animate(target, currentRect, toRect, duration) {
746 | if (duration) {
747 | css(target, 'transition', '');
748 | css(target, 'transform', '');
749 | var elMatrix = matrix(this.el),
750 | scaleX = elMatrix && elMatrix.a,
751 | scaleY = elMatrix && elMatrix.d,
752 | translateX = (currentRect.left - toRect.left) / (scaleX || 1),
753 | translateY = (currentRect.top - toRect.top) / (scaleY || 1);
754 | target.animatingX = !!translateX;
755 | target.animatingY = !!translateY;
756 | css(target, 'transform', 'translate3d(' + translateX + 'px,' + translateY + 'px,0)');
757 | repaint(target); // repaint
758 |
759 | css(target, 'transition', 'transform ' + duration + 'ms' + (this.options.easing ? ' ' + this.options.easing : ''));
760 | css(target, 'transform', 'translate3d(0,0,0)');
761 | typeof target.animated === 'number' && clearTimeout(target.animated);
762 | target.animated = setTimeout(function () {
763 | css(target, 'transition', '');
764 | css(target, 'transform', '');
765 | target.animated = false;
766 | target.animatingX = false;
767 | target.animatingY = false;
768 | }, duration);
769 | }
770 | }
771 | };
772 | }
773 |
774 | function repaint(target) {
775 | return target.offsetWidth;
776 | }
777 |
778 | function calculateRealTime(animatingRect, fromRect, toRect, options) {
779 | return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;
780 | }
781 |
782 | var plugins = [];
783 | var defaults = {
784 | initializeByDefault: true
785 | };
786 | var PluginManager = {
787 | mount: function mount(plugin) {
788 | // Set default static properties
789 | for (var option in defaults) {
790 | if (defaults.hasOwnProperty(option) && !(option in plugin)) {
791 | plugin[option] = defaults[option];
792 | }
793 | }
794 |
795 | plugins.push(plugin);
796 | },
797 | pluginEvent: function pluginEvent(eventName, sortable, evt) {
798 | var _this = this;
799 |
800 | this.eventCanceled = false;
801 |
802 | evt.cancel = function () {
803 | _this.eventCanceled = true;
804 | };
805 |
806 | var eventNameGlobal = eventName + 'Global';
807 | plugins.forEach(function (plugin) {
808 | if (!sortable[plugin.pluginName]) return; // Fire global events if it exists in this sortable
809 |
810 | if (sortable[plugin.pluginName][eventNameGlobal]) {
811 | sortable[plugin.pluginName][eventNameGlobal](_objectSpread({
812 | sortable: sortable
813 | }, evt));
814 | } // Only fire plugin event if plugin is enabled in this sortable,
815 | // and plugin has event defined
816 |
817 |
818 | if (sortable.options[plugin.pluginName] && sortable[plugin.pluginName][eventName]) {
819 | sortable[plugin.pluginName][eventName](_objectSpread({
820 | sortable: sortable
821 | }, evt));
822 | }
823 | });
824 | },
825 | initializePlugins: function initializePlugins(sortable, el, defaults, options) {
826 | plugins.forEach(function (plugin) {
827 | var pluginName = plugin.pluginName;
828 | if (!sortable.options[pluginName] && !plugin.initializeByDefault) return;
829 | var initialized = new plugin(sortable, el, sortable.options);
830 | initialized.sortable = sortable;
831 | initialized.options = sortable.options;
832 | sortable[pluginName] = initialized; // Add default options from plugin
833 |
834 | _extends(defaults, initialized.defaults);
835 | });
836 |
837 | for (var option in sortable.options) {
838 | if (!sortable.options.hasOwnProperty(option)) continue;
839 | var modified = this.modifyOption(sortable, option, sortable.options[option]);
840 |
841 | if (typeof modified !== 'undefined') {
842 | sortable.options[option] = modified;
843 | }
844 | }
845 | },
846 | getEventProperties: function getEventProperties(name, sortable) {
847 | var eventProperties = {};
848 | plugins.forEach(function (plugin) {
849 | if (typeof plugin.eventProperties !== 'function') return;
850 |
851 | _extends(eventProperties, plugin.eventProperties.call(sortable[plugin.pluginName], name));
852 | });
853 | return eventProperties;
854 | },
855 | modifyOption: function modifyOption(sortable, name, value) {
856 | var modifiedValue;
857 | plugins.forEach(function (plugin) {
858 | // Plugin must exist on the Sortable
859 | if (!sortable[plugin.pluginName]) return; // If static option listener exists for this option, call in the context of the Sortable's instance of this plugin
860 |
861 | if (plugin.optionListeners && typeof plugin.optionListeners[name] === 'function') {
862 | modifiedValue = plugin.optionListeners[name].call(sortable[plugin.pluginName], value);
863 | }
864 | });
865 | return modifiedValue;
866 | }
867 | };
868 |
869 | function dispatchEvent(_ref) {
870 | var sortable = _ref.sortable,
871 | rootEl = _ref.rootEl,
872 | name = _ref.name,
873 | targetEl = _ref.targetEl,
874 | cloneEl = _ref.cloneEl,
875 | toEl = _ref.toEl,
876 | fromEl = _ref.fromEl,
877 | oldIndex = _ref.oldIndex,
878 | newIndex = _ref.newIndex,
879 | oldDraggableIndex = _ref.oldDraggableIndex,
880 | newDraggableIndex = _ref.newDraggableIndex,
881 | originalEvent = _ref.originalEvent,
882 | putSortable = _ref.putSortable,
883 | extraEventProperties = _ref.extraEventProperties;
884 | sortable = sortable || rootEl && rootEl[expando];
885 | if (!sortable) return;
886 | var evt,
887 | options = sortable.options,
888 | onName = 'on' + name.charAt(0).toUpperCase() + name.substr(1); // Support for new CustomEvent feature
889 |
890 | if (window.CustomEvent && !IE11OrLess && !Edge) {
891 | evt = new CustomEvent(name, {
892 | bubbles: true,
893 | cancelable: true
894 | });
895 | } else {
896 | evt = document.createEvent('Event');
897 | evt.initEvent(name, true, true);
898 | }
899 |
900 | evt.to = toEl || rootEl;
901 | evt.from = fromEl || rootEl;
902 | evt.item = targetEl || rootEl;
903 | evt.clone = cloneEl;
904 | evt.oldIndex = oldIndex;
905 | evt.newIndex = newIndex;
906 | evt.oldDraggableIndex = oldDraggableIndex;
907 | evt.newDraggableIndex = newDraggableIndex;
908 | evt.originalEvent = originalEvent;
909 | evt.pullMode = putSortable ? putSortable.lastPutMode : undefined;
910 |
911 | var allEventProperties = _objectSpread({}, extraEventProperties, PluginManager.getEventProperties(name, sortable));
912 |
913 | for (var option in allEventProperties) {
914 | evt[option] = allEventProperties[option];
915 | }
916 |
917 | if (rootEl) {
918 | rootEl.dispatchEvent(evt);
919 | }
920 |
921 | if (options[onName]) {
922 | options[onName].call(sortable, evt);
923 | }
924 | }
925 |
926 | var pluginEvent = function pluginEvent(eventName, sortable) {
927 | var _ref = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {},
928 | originalEvent = _ref.evt,
929 | data = _objectWithoutProperties(_ref, ["evt"]);
930 |
931 | PluginManager.pluginEvent.bind(Sortable)(eventName, sortable, _objectSpread({
932 | dragEl: dragEl,
933 | parentEl: parentEl,
934 | ghostEl: ghostEl,
935 | rootEl: rootEl,
936 | nextEl: nextEl,
937 | lastDownEl: lastDownEl,
938 | cloneEl: cloneEl,
939 | cloneHidden: cloneHidden,
940 | dragStarted: moved,
941 | putSortable: putSortable,
942 | activeSortable: Sortable.active,
943 | originalEvent: originalEvent,
944 | oldIndex: oldIndex,
945 | oldDraggableIndex: oldDraggableIndex,
946 | newIndex: newIndex,
947 | newDraggableIndex: newDraggableIndex,
948 | hideGhostForTarget: _hideGhostForTarget,
949 | unhideGhostForTarget: _unhideGhostForTarget,
950 | cloneNowHidden: function cloneNowHidden() {
951 | cloneHidden = true;
952 | },
953 | cloneNowShown: function cloneNowShown() {
954 | cloneHidden = false;
955 | },
956 | dispatchSortableEvent: function dispatchSortableEvent(name) {
957 | _dispatchEvent({
958 | sortable: sortable,
959 | name: name,
960 | originalEvent: originalEvent
961 | });
962 | }
963 | }, data));
964 | };
965 |
966 | function _dispatchEvent(info) {
967 | dispatchEvent(_objectSpread({
968 | putSortable: putSortable,
969 | cloneEl: cloneEl,
970 | targetEl: dragEl,
971 | rootEl: rootEl,
972 | oldIndex: oldIndex,
973 | oldDraggableIndex: oldDraggableIndex,
974 | newIndex: newIndex,
975 | newDraggableIndex: newDraggableIndex
976 | }, info));
977 | }
978 |
979 | var dragEl,
980 | parentEl,
981 | ghostEl,
982 | rootEl,
983 | nextEl,
984 | lastDownEl,
985 | cloneEl,
986 | cloneHidden,
987 | oldIndex,
988 | newIndex,
989 | oldDraggableIndex,
990 | newDraggableIndex,
991 | activeGroup,
992 | putSortable,
993 | awaitingDragStarted = false,
994 | ignoreNextClick = false,
995 | sortables = [],
996 | tapEvt,
997 | touchEvt,
998 | lastDx,
999 | lastDy,
1000 | tapDistanceLeft,
1001 | tapDistanceTop,
1002 | moved,
1003 | lastTarget,
1004 | lastDirection,
1005 | pastFirstInvertThresh = false,
1006 | isCircumstantialInvert = false,
1007 | targetMoveDistance,
1008 | // For positioning ghost absolutely
1009 | ghostRelativeParent,
1010 | ghostRelativeParentInitialScroll = [],
1011 | // (left, top)
1012 | _silent = false,
1013 | savedInputChecked = [];
1014 | /** @const */
1015 |
1016 | var documentExists = typeof document !== 'undefined',
1017 | PositionGhostAbsolutely = IOS,
1018 | CSSFloatProperty = Edge || IE11OrLess ? 'cssFloat' : 'float',
1019 | // This will not pass for IE9, because IE9 DnD only works on anchors
1020 | supportDraggable = documentExists && !ChromeForAndroid && !IOS && 'draggable' in document.createElement('div'),
1021 | supportCssPointerEvents = function () {
1022 | if (!documentExists) return; // false when <= IE11
1023 |
1024 | if (IE11OrLess) {
1025 | return false;
1026 | }
1027 |
1028 | var el = document.createElement('x');
1029 | el.style.cssText = 'pointer-events:auto';
1030 | return el.style.pointerEvents === 'auto';
1031 | }(),
1032 | _detectDirection = function _detectDirection(el, options) {
1033 | var elCSS = css(el),
1034 | elWidth = parseInt(elCSS.width) - parseInt(elCSS.paddingLeft) - parseInt(elCSS.paddingRight) - parseInt(elCSS.borderLeftWidth) - parseInt(elCSS.borderRightWidth),
1035 | child1 = getChild(el, 0, options),
1036 | child2 = getChild(el, 1, options),
1037 | firstChildCSS = child1 && css(child1),
1038 | secondChildCSS = child2 && css(child2),
1039 | firstChildWidth = firstChildCSS && parseInt(firstChildCSS.marginLeft) + parseInt(firstChildCSS.marginRight) + getRect(child1).width,
1040 | secondChildWidth = secondChildCSS && parseInt(secondChildCSS.marginLeft) + parseInt(secondChildCSS.marginRight) + getRect(child2).width;
1041 |
1042 | if (elCSS.display === 'flex') {
1043 | return elCSS.flexDirection === 'column' || elCSS.flexDirection === 'column-reverse' ? 'vertical' : 'horizontal';
1044 | }
1045 |
1046 | if (elCSS.display === 'grid') {
1047 | return elCSS.gridTemplateColumns.split(' ').length <= 1 ? 'vertical' : 'horizontal';
1048 | }
1049 |
1050 | if (child1 && firstChildCSS["float"] && firstChildCSS["float"] !== 'none') {
1051 | var touchingSideChild2 = firstChildCSS["float"] === 'left' ? 'left' : 'right';
1052 | return child2 && (secondChildCSS.clear === 'both' || secondChildCSS.clear === touchingSideChild2) ? 'vertical' : 'horizontal';
1053 | }
1054 |
1055 | return child1 && (firstChildCSS.display === 'block' || firstChildCSS.display === 'flex' || firstChildCSS.display === 'table' || firstChildCSS.display === 'grid' || firstChildWidth >= elWidth && elCSS[CSSFloatProperty] === 'none' || child2 && elCSS[CSSFloatProperty] === 'none' && firstChildWidth + secondChildWidth > elWidth) ? 'vertical' : 'horizontal';
1056 | },
1057 | _dragElInRowColumn = function _dragElInRowColumn(dragRect, targetRect, vertical) {
1058 | var dragElS1Opp = vertical ? dragRect.left : dragRect.top,
1059 | dragElS2Opp = vertical ? dragRect.right : dragRect.bottom,
1060 | dragElOppLength = vertical ? dragRect.width : dragRect.height,
1061 | targetS1Opp = vertical ? targetRect.left : targetRect.top,
1062 | targetS2Opp = vertical ? targetRect.right : targetRect.bottom,
1063 | targetOppLength = vertical ? targetRect.width : targetRect.height;
1064 | return dragElS1Opp === targetS1Opp || dragElS2Opp === targetS2Opp || dragElS1Opp + dragElOppLength / 2 === targetS1Opp + targetOppLength / 2;
1065 | },
1066 |
1067 | /**
1068 | * Detects first nearest empty sortable to X and Y position using emptyInsertThreshold.
1069 | * @param {Number} x X position
1070 | * @param {Number} y Y position
1071 | * @return {HTMLElement} Element of the first found nearest Sortable
1072 | */
1073 | _detectNearestEmptySortable = function _detectNearestEmptySortable(x, y) {
1074 | var ret;
1075 | sortables.some(function (sortable) {
1076 | if (lastChild(sortable)) return;
1077 | var rect = getRect(sortable),
1078 | threshold = sortable[expando].options.emptyInsertThreshold,
1079 | insideHorizontally = x >= rect.left - threshold && x <= rect.right + threshold,
1080 | insideVertically = y >= rect.top - threshold && y <= rect.bottom + threshold;
1081 |
1082 | if (threshold && insideHorizontally && insideVertically) {
1083 | return ret = sortable;
1084 | }
1085 | });
1086 | return ret;
1087 | },
1088 | _prepareGroup = function _prepareGroup(options) {
1089 | function toFn(value, pull) {
1090 | return function (to, from, dragEl, evt) {
1091 | var sameGroup = to.options.group.name && from.options.group.name && to.options.group.name === from.options.group.name;
1092 |
1093 | if (value == null && (pull || sameGroup)) {
1094 | // Default pull value
1095 | // Default pull and put value if same group
1096 | return true;
1097 | } else if (value == null || value === false) {
1098 | return false;
1099 | } else if (pull && value === 'clone') {
1100 | return value;
1101 | } else if (typeof value === 'function') {
1102 | return toFn(value(to, from, dragEl, evt), pull)(to, from, dragEl, evt);
1103 | } else {
1104 | var otherGroup = (pull ? to : from).options.group.name;
1105 | return value === true || typeof value === 'string' && value === otherGroup || value.join && value.indexOf(otherGroup) > -1;
1106 | }
1107 | };
1108 | }
1109 |
1110 | var group = {};
1111 | var originalGroup = options.group;
1112 |
1113 | if (!originalGroup || _typeof(originalGroup) != 'object') {
1114 | originalGroup = {
1115 | name: originalGroup
1116 | };
1117 | }
1118 |
1119 | group.name = originalGroup.name;
1120 | group.checkPull = toFn(originalGroup.pull, true);
1121 | group.checkPut = toFn(originalGroup.put);
1122 | group.revertClone = originalGroup.revertClone;
1123 | options.group = group;
1124 | },
1125 | _hideGhostForTarget = function _hideGhostForTarget() {
1126 | if (!supportCssPointerEvents && ghostEl) {
1127 | css(ghostEl, 'display', 'none');
1128 | }
1129 | },
1130 | _unhideGhostForTarget = function _unhideGhostForTarget() {
1131 | if (!supportCssPointerEvents && ghostEl) {
1132 | css(ghostEl, 'display', '');
1133 | }
1134 | }; // #1184 fix - Prevent click event on fallback if dragged but item not changed position
1135 |
1136 |
1137 | if (documentExists) {
1138 | document.addEventListener('click', function (evt) {
1139 | if (ignoreNextClick) {
1140 | evt.preventDefault();
1141 | evt.stopPropagation && evt.stopPropagation();
1142 | evt.stopImmediatePropagation && evt.stopImmediatePropagation();
1143 | ignoreNextClick = false;
1144 | return false;
1145 | }
1146 | }, true);
1147 | }
1148 |
1149 | var nearestEmptyInsertDetectEvent = function nearestEmptyInsertDetectEvent(evt) {
1150 | if (dragEl) {
1151 | evt = evt.touches ? evt.touches[0] : evt;
1152 |
1153 | var nearest = _detectNearestEmptySortable(evt.clientX, evt.clientY);
1154 |
1155 | if (nearest) {
1156 | // Create imitation event
1157 | var event = {};
1158 |
1159 | for (var i in evt) {
1160 | if (evt.hasOwnProperty(i)) {
1161 | event[i] = evt[i];
1162 | }
1163 | }
1164 |
1165 | event.target = event.rootEl = nearest;
1166 | event.preventDefault = void 0;
1167 | event.stopPropagation = void 0;
1168 |
1169 | nearest[expando]._onDragOver(event);
1170 | }
1171 | }
1172 | };
1173 |
1174 | var _checkOutsideTargetEl = function _checkOutsideTargetEl(evt) {
1175 | if (dragEl) {
1176 | dragEl.parentNode[expando]._isOutsideThisEl(evt.target);
1177 | }
1178 | };
1179 | /**
1180 | * @class Sortable
1181 | * @param {HTMLElement} el
1182 | * @param {Object} [options]
1183 | */
1184 |
1185 |
1186 | function Sortable(el, options) {
1187 | if (!(el && el.nodeType && el.nodeType === 1)) {
1188 | throw "Sortable: `el` must be an HTMLElement, not ".concat({}.toString.call(el));
1189 | }
1190 |
1191 | this.el = el; // root element
1192 |
1193 | this.options = options = _extends({}, options); // Export instance
1194 |
1195 | el[expando] = this;
1196 | var defaults = {
1197 | group: null,
1198 | sort: true,
1199 | disabled: false,
1200 | store: null,
1201 | handle: null,
1202 | draggable: /^[uo]l$/i.test(el.nodeName) ? '>li' : '>*',
1203 | swapThreshold: 1,
1204 | // percentage; 0 <= x <= 1
1205 | invertSwap: false,
1206 | // invert always
1207 | invertedSwapThreshold: null,
1208 | // will be set to same as swapThreshold if default
1209 | removeCloneOnHide: true,
1210 | direction: function direction() {
1211 | return _detectDirection(el, this.options);
1212 | },
1213 | ghostClass: 'sortable-ghost',
1214 | chosenClass: 'sortable-chosen',
1215 | dragClass: 'sortable-drag',
1216 | ignore: 'a, img',
1217 | filter: null,
1218 | preventOnFilter: true,
1219 | animation: 0,
1220 | easing: null,
1221 | setData: function setData(dataTransfer, dragEl) {
1222 | dataTransfer.setData('Text', dragEl.textContent);
1223 | },
1224 | dropBubble: false,
1225 | dragoverBubble: false,
1226 | dataIdAttr: 'data-id',
1227 | delay: 0,
1228 | delayOnTouchOnly: false,
1229 | touchStartThreshold: (Number.parseInt ? Number : window).parseInt(window.devicePixelRatio, 10) || 1,
1230 | forceFallback: false,
1231 | fallbackClass: 'sortable-fallback',
1232 | fallbackOnBody: false,
1233 | fallbackTolerance: 0,
1234 | fallbackOffset: {
1235 | x: 0,
1236 | y: 0
1237 | },
1238 | supportPointer: Sortable.supportPointer !== false && 'PointerEvent' in window,
1239 | emptyInsertThreshold: 5
1240 | };
1241 | PluginManager.initializePlugins(this, el, defaults); // Set default options
1242 |
1243 | for (var name in defaults) {
1244 | !(name in options) && (options[name] = defaults[name]);
1245 | }
1246 |
1247 | _prepareGroup(options); // Bind all private methods
1248 |
1249 |
1250 | for (var fn in this) {
1251 | if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
1252 | this[fn] = this[fn].bind(this);
1253 | }
1254 | } // Setup drag mode
1255 |
1256 |
1257 | this.nativeDraggable = options.forceFallback ? false : supportDraggable;
1258 |
1259 | if (this.nativeDraggable) {
1260 | // Touch start threshold cannot be greater than the native dragstart threshold
1261 | this.options.touchStartThreshold = 1;
1262 | } // Bind events
1263 |
1264 |
1265 | if (options.supportPointer) {
1266 | on(el, 'pointerdown', this._onTapStart);
1267 | } else {
1268 | on(el, 'mousedown', this._onTapStart);
1269 | on(el, 'touchstart', this._onTapStart);
1270 | }
1271 |
1272 | if (this.nativeDraggable) {
1273 | on(el, 'dragover', this);
1274 | on(el, 'dragenter', this);
1275 | }
1276 |
1277 | sortables.push(this.el); // Restore sorting
1278 |
1279 | options.store && options.store.get && this.sort(options.store.get(this) || []); // Add animation state manager
1280 |
1281 | _extends(this, AnimationStateManager());
1282 | }
1283 |
1284 | Sortable.prototype =
1285 | /** @lends Sortable.prototype */
1286 | {
1287 | constructor: Sortable,
1288 | _isOutsideThisEl: function _isOutsideThisEl(target) {
1289 | if (!this.el.contains(target) && target !== this.el) {
1290 | lastTarget = null;
1291 | }
1292 | },
1293 | _getDirection: function _getDirection(evt, target) {
1294 | return typeof this.options.direction === 'function' ? this.options.direction.call(this, evt, target, dragEl) : this.options.direction;
1295 | },
1296 | _onTapStart: function _onTapStart(
1297 | /** Event|TouchEvent */
1298 | evt) {
1299 | if (!evt.cancelable) return;
1300 |
1301 | var _this = this,
1302 | el = this.el,
1303 | options = this.options,
1304 | preventOnFilter = options.preventOnFilter,
1305 | type = evt.type,
1306 | touch = evt.touches && evt.touches[0] || evt.pointerType && evt.pointerType === 'touch' && evt,
1307 | target = (touch || evt).target,
1308 | originalTarget = evt.target.shadowRoot && (evt.path && evt.path[0] || evt.composedPath && evt.composedPath()[0]) || target,
1309 | filter = options.filter;
1310 |
1311 | _saveInputCheckedState(el); // Don't trigger start event when an element is been dragged, otherwise the evt.oldindex always wrong when set option.group.
1312 |
1313 |
1314 | if (dragEl) {
1315 | return;
1316 | }
1317 |
1318 | if (/mousedown|pointerdown/.test(type) && evt.button !== 0 || options.disabled) {
1319 | return; // only left button and enabled
1320 | } // cancel dnd if original target is content editable
1321 |
1322 |
1323 | if (originalTarget.isContentEditable) {
1324 | return;
1325 | }
1326 |
1327 | target = closest(target, options.draggable, el, false);
1328 |
1329 | if (target && target.animated) {
1330 | return;
1331 | }
1332 |
1333 | if (lastDownEl === target) {
1334 | // Ignoring duplicate `down`
1335 | return;
1336 | } // Get the index of the dragged element within its parent
1337 |
1338 |
1339 | oldIndex = index(target);
1340 | oldDraggableIndex = index(target, options.draggable); // Check filter
1341 |
1342 | if (typeof filter === 'function') {
1343 | if (filter.call(this, evt, target, this)) {
1344 | _dispatchEvent({
1345 | sortable: _this,
1346 | rootEl: originalTarget,
1347 | name: 'filter',
1348 | targetEl: target,
1349 | toEl: el,
1350 | fromEl: el
1351 | });
1352 |
1353 | pluginEvent('filter', _this, {
1354 | evt: evt
1355 | });
1356 | preventOnFilter && evt.cancelable && evt.preventDefault();
1357 | return; // cancel dnd
1358 | }
1359 | } else if (filter) {
1360 | filter = filter.split(',').some(function (criteria) {
1361 | criteria = closest(originalTarget, criteria.trim(), el, false);
1362 |
1363 | if (criteria) {
1364 | _dispatchEvent({
1365 | sortable: _this,
1366 | rootEl: criteria,
1367 | name: 'filter',
1368 | targetEl: target,
1369 | fromEl: el,
1370 | toEl: el
1371 | });
1372 |
1373 | pluginEvent('filter', _this, {
1374 | evt: evt
1375 | });
1376 | return true;
1377 | }
1378 | });
1379 |
1380 | if (filter) {
1381 | preventOnFilter && evt.cancelable && evt.preventDefault();
1382 | return; // cancel dnd
1383 | }
1384 | }
1385 |
1386 | if (options.handle && !closest(originalTarget, options.handle, el, false)) {
1387 | return;
1388 | } // Prepare `dragstart`
1389 |
1390 |
1391 | this._prepareDragStart(evt, touch, target);
1392 | },
1393 | _prepareDragStart: function _prepareDragStart(
1394 | /** Event */
1395 | evt,
1396 | /** Touch */
1397 | touch,
1398 | /** HTMLElement */
1399 | target) {
1400 | var _this = this,
1401 | el = _this.el,
1402 | options = _this.options,
1403 | ownerDocument = el.ownerDocument,
1404 | dragStartFn;
1405 |
1406 | if (target && !dragEl && target.parentNode === el) {
1407 | var dragRect = getRect(target);
1408 | rootEl = el;
1409 | dragEl = target;
1410 | parentEl = dragEl.parentNode;
1411 | nextEl = dragEl.nextSibling;
1412 | lastDownEl = target;
1413 | activeGroup = options.group;
1414 | Sortable.dragged = dragEl;
1415 | tapEvt = {
1416 | target: dragEl,
1417 | clientX: (touch || evt).clientX,
1418 | clientY: (touch || evt).clientY
1419 | };
1420 | tapDistanceLeft = tapEvt.clientX - dragRect.left;
1421 | tapDistanceTop = tapEvt.clientY - dragRect.top;
1422 | this._lastX = (touch || evt).clientX;
1423 | this._lastY = (touch || evt).clientY;
1424 | dragEl.style['will-change'] = 'all';
1425 |
1426 | dragStartFn = function dragStartFn() {
1427 | pluginEvent('delayEnded', _this, {
1428 | evt: evt
1429 | });
1430 |
1431 | if (Sortable.eventCanceled) {
1432 | _this._onDrop();
1433 |
1434 | return;
1435 | } // Delayed drag has been triggered
1436 | // we can re-enable the events: touchmove/mousemove
1437 |
1438 |
1439 | _this._disableDelayedDragEvents();
1440 |
1441 | if (!FireFox && _this.nativeDraggable) {
1442 | dragEl.draggable = true;
1443 | } // Bind the events: dragstart/dragend
1444 |
1445 |
1446 | _this._triggerDragStart(evt, touch); // Drag start event
1447 |
1448 |
1449 | _dispatchEvent({
1450 | sortable: _this,
1451 | name: 'choose',
1452 | originalEvent: evt
1453 | }); // Chosen item
1454 |
1455 |
1456 | toggleClass(dragEl, options.chosenClass, true);
1457 | }; // Disable "draggable"
1458 |
1459 |
1460 | options.ignore.split(',').forEach(function (criteria) {
1461 | find(dragEl, criteria.trim(), _disableDraggable);
1462 | });
1463 | on(ownerDocument, 'dragover', nearestEmptyInsertDetectEvent);
1464 | on(ownerDocument, 'mousemove', nearestEmptyInsertDetectEvent);
1465 | on(ownerDocument, 'touchmove', nearestEmptyInsertDetectEvent);
1466 | on(ownerDocument, 'mouseup', _this._onDrop);
1467 | on(ownerDocument, 'touchend', _this._onDrop);
1468 | on(ownerDocument, 'touchcancel', _this._onDrop); // Make dragEl draggable (must be before delay for FireFox)
1469 |
1470 | if (FireFox && this.nativeDraggable) {
1471 | this.options.touchStartThreshold = 4;
1472 | dragEl.draggable = true;
1473 | }
1474 |
1475 | pluginEvent('delayStart', this, {
1476 | evt: evt
1477 | }); // Delay is impossible for native DnD in Edge or IE
1478 |
1479 | if (options.delay && (!options.delayOnTouchOnly || touch) && (!this.nativeDraggable || !(Edge || IE11OrLess))) {
1480 | if (Sortable.eventCanceled) {
1481 | this._onDrop();
1482 |
1483 | return;
1484 | } // If the user moves the pointer or let go the click or touch
1485 | // before the delay has been reached:
1486 | // disable the delayed drag
1487 |
1488 |
1489 | on(ownerDocument, 'mouseup', _this._disableDelayedDrag);
1490 | on(ownerDocument, 'touchend', _this._disableDelayedDrag);
1491 | on(ownerDocument, 'touchcancel', _this._disableDelayedDrag);
1492 | on(ownerDocument, 'mousemove', _this._delayedDragTouchMoveHandler);
1493 | on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler);
1494 | options.supportPointer && on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler);
1495 | _this._dragStartTimer = setTimeout(dragStartFn, options.delay);
1496 | } else {
1497 | dragStartFn();
1498 | }
1499 | }
1500 | },
1501 | _delayedDragTouchMoveHandler: function _delayedDragTouchMoveHandler(
1502 | /** TouchEvent|PointerEvent **/
1503 | e) {
1504 | var touch = e.touches ? e.touches[0] : e;
1505 |
1506 | if (Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) >= Math.floor(this.options.touchStartThreshold / (this.nativeDraggable && window.devicePixelRatio || 1))) {
1507 | this._disableDelayedDrag();
1508 | }
1509 | },
1510 | _disableDelayedDrag: function _disableDelayedDrag() {
1511 | dragEl && _disableDraggable(dragEl);
1512 | clearTimeout(this._dragStartTimer);
1513 |
1514 | this._disableDelayedDragEvents();
1515 | },
1516 | _disableDelayedDragEvents: function _disableDelayedDragEvents() {
1517 | var ownerDocument = this.el.ownerDocument;
1518 | off(ownerDocument, 'mouseup', this._disableDelayedDrag);
1519 | off(ownerDocument, 'touchend', this._disableDelayedDrag);
1520 | off(ownerDocument, 'touchcancel', this._disableDelayedDrag);
1521 | off(ownerDocument, 'mousemove', this._delayedDragTouchMoveHandler);
1522 | off(ownerDocument, 'touchmove', this._delayedDragTouchMoveHandler);
1523 | off(ownerDocument, 'pointermove', this._delayedDragTouchMoveHandler);
1524 | },
1525 | _triggerDragStart: function _triggerDragStart(
1526 | /** Event */
1527 | evt,
1528 | /** Touch */
1529 | touch) {
1530 | touch = touch || evt.pointerType == 'touch' && evt;
1531 |
1532 | if (!this.nativeDraggable || touch) {
1533 | if (this.options.supportPointer) {
1534 | on(document, 'pointermove', this._onTouchMove);
1535 | } else if (touch) {
1536 | on(document, 'touchmove', this._onTouchMove);
1537 | } else {
1538 | on(document, 'mousemove', this._onTouchMove);
1539 | }
1540 | } else {
1541 | on(dragEl, 'dragend', this);
1542 | on(rootEl, 'dragstart', this._onDragStart);
1543 | }
1544 |
1545 | try {
1546 | if (document.selection) {
1547 | // Timeout neccessary for IE9
1548 | _nextTick(function () {
1549 | document.selection.empty();
1550 | });
1551 | } else {
1552 | window.getSelection().removeAllRanges();
1553 | }
1554 | } catch (err) {}
1555 | },
1556 | _dragStarted: function _dragStarted(fallback, evt) {
1557 |
1558 | awaitingDragStarted = false;
1559 |
1560 | if (rootEl && dragEl) {
1561 | pluginEvent('dragStarted', this, {
1562 | evt: evt
1563 | });
1564 |
1565 | if (this.nativeDraggable) {
1566 | on(document, 'dragover', _checkOutsideTargetEl);
1567 | }
1568 |
1569 | var options = this.options; // Apply effect
1570 |
1571 | !fallback && toggleClass(dragEl, options.dragClass, false);
1572 | toggleClass(dragEl, options.ghostClass, true);
1573 | Sortable.active = this;
1574 | fallback && this._appendGhost(); // Drag start event
1575 |
1576 | _dispatchEvent({
1577 | sortable: this,
1578 | name: 'start',
1579 | originalEvent: evt
1580 | });
1581 | } else {
1582 | this._nulling();
1583 | }
1584 | },
1585 | _emulateDragOver: function _emulateDragOver() {
1586 | if (touchEvt) {
1587 | this._lastX = touchEvt.clientX;
1588 | this._lastY = touchEvt.clientY;
1589 |
1590 | _hideGhostForTarget();
1591 |
1592 | var target = document.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
1593 | var parent = target;
1594 |
1595 | while (target && target.shadowRoot) {
1596 | target = target.shadowRoot.elementFromPoint(touchEvt.clientX, touchEvt.clientY);
1597 | if (target === parent) break;
1598 | parent = target;
1599 | }
1600 |
1601 | dragEl.parentNode[expando]._isOutsideThisEl(target);
1602 |
1603 | if (parent) {
1604 | do {
1605 | if (parent[expando]) {
1606 | var inserted = void 0;
1607 | inserted = parent[expando]._onDragOver({
1608 | clientX: touchEvt.clientX,
1609 | clientY: touchEvt.clientY,
1610 | target: target,
1611 | rootEl: parent
1612 | });
1613 |
1614 | if (inserted && !this.options.dragoverBubble) {
1615 | break;
1616 | }
1617 | }
1618 |
1619 | target = parent; // store last element
1620 | }
1621 | /* jshint boss:true */
1622 | while (parent = parent.parentNode);
1623 | }
1624 |
1625 | _unhideGhostForTarget();
1626 | }
1627 | },
1628 | _onTouchMove: function _onTouchMove(
1629 | /**TouchEvent*/
1630 | evt) {
1631 | if (tapEvt) {
1632 | var options = this.options,
1633 | fallbackTolerance = options.fallbackTolerance,
1634 | fallbackOffset = options.fallbackOffset,
1635 | touch = evt.touches ? evt.touches[0] : evt,
1636 | ghostMatrix = ghostEl && matrix(ghostEl, true),
1637 | scaleX = ghostEl && ghostMatrix && ghostMatrix.a,
1638 | scaleY = ghostEl && ghostMatrix && ghostMatrix.d,
1639 | relativeScrollOffset = PositionGhostAbsolutely && ghostRelativeParent && getRelativeScrollOffset(ghostRelativeParent),
1640 | dx = (touch.clientX - tapEvt.clientX + fallbackOffset.x) / (scaleX || 1) + (relativeScrollOffset ? relativeScrollOffset[0] - ghostRelativeParentInitialScroll[0] : 0) / (scaleX || 1),
1641 | dy = (touch.clientY - tapEvt.clientY + fallbackOffset.y) / (scaleY || 1) + (relativeScrollOffset ? relativeScrollOffset[1] - ghostRelativeParentInitialScroll[1] : 0) / (scaleY || 1); // only set the status to dragging, when we are actually dragging
1642 |
1643 | if (!Sortable.active && !awaitingDragStarted) {
1644 | if (fallbackTolerance && Math.max(Math.abs(touch.clientX - this._lastX), Math.abs(touch.clientY - this._lastY)) < fallbackTolerance) {
1645 | return;
1646 | }
1647 |
1648 | this._onDragStart(evt, true);
1649 | }
1650 |
1651 | if (ghostEl) {
1652 | if (ghostMatrix) {
1653 | ghostMatrix.e += dx - (lastDx || 0);
1654 | ghostMatrix.f += dy - (lastDy || 0);
1655 | } else {
1656 | ghostMatrix = {
1657 | a: 1,
1658 | b: 0,
1659 | c: 0,
1660 | d: 1,
1661 | e: dx,
1662 | f: dy
1663 | };
1664 | }
1665 |
1666 | var cssMatrix = "matrix(".concat(ghostMatrix.a, ",").concat(ghostMatrix.b, ",").concat(ghostMatrix.c, ",").concat(ghostMatrix.d, ",").concat(ghostMatrix.e, ",").concat(ghostMatrix.f, ")");
1667 | css(ghostEl, 'webkitTransform', cssMatrix);
1668 | css(ghostEl, 'mozTransform', cssMatrix);
1669 | css(ghostEl, 'msTransform', cssMatrix);
1670 | css(ghostEl, 'transform', cssMatrix);
1671 | lastDx = dx;
1672 | lastDy = dy;
1673 | touchEvt = touch;
1674 | }
1675 |
1676 | evt.cancelable && evt.preventDefault();
1677 | }
1678 | },
1679 | _appendGhost: function _appendGhost() {
1680 | // Bug if using scale(): https://stackoverflow.com/questions/2637058
1681 | // Not being adjusted for
1682 | if (!ghostEl) {
1683 | var container = this.options.fallbackOnBody ? document.body : rootEl,
1684 | rect = getRect(dragEl, true, PositionGhostAbsolutely, true, container),
1685 | options = this.options; // Position absolutely
1686 |
1687 | if (PositionGhostAbsolutely) {
1688 | // Get relatively positioned parent
1689 | ghostRelativeParent = container;
1690 |
1691 | while (css(ghostRelativeParent, 'position') === 'static' && css(ghostRelativeParent, 'transform') === 'none' && ghostRelativeParent !== document) {
1692 | ghostRelativeParent = ghostRelativeParent.parentNode;
1693 | }
1694 |
1695 | if (ghostRelativeParent !== document.body && ghostRelativeParent !== document.documentElement) {
1696 | if (ghostRelativeParent === document) ghostRelativeParent = getWindowScrollingElement();
1697 | rect.top += ghostRelativeParent.scrollTop;
1698 | rect.left += ghostRelativeParent.scrollLeft;
1699 | } else {
1700 | ghostRelativeParent = getWindowScrollingElement();
1701 | }
1702 |
1703 | ghostRelativeParentInitialScroll = getRelativeScrollOffset(ghostRelativeParent);
1704 | }
1705 |
1706 | ghostEl = dragEl.cloneNode(true);
1707 | toggleClass(ghostEl, options.ghostClass, false);
1708 | toggleClass(ghostEl, options.fallbackClass, true);
1709 | toggleClass(ghostEl, options.dragClass, true);
1710 | css(ghostEl, 'transition', '');
1711 | css(ghostEl, 'transform', '');
1712 | css(ghostEl, 'box-sizing', 'border-box');
1713 | css(ghostEl, 'margin', 0);
1714 | css(ghostEl, 'top', rect.top);
1715 | css(ghostEl, 'left', rect.left);
1716 | css(ghostEl, 'width', rect.width);
1717 | css(ghostEl, 'height', rect.height);
1718 | css(ghostEl, 'opacity', '0.8');
1719 | css(ghostEl, 'position', PositionGhostAbsolutely ? 'absolute' : 'fixed');
1720 | css(ghostEl, 'zIndex', '100000');
1721 | css(ghostEl, 'pointerEvents', 'none');
1722 | Sortable.ghost = ghostEl;
1723 | container.appendChild(ghostEl); // Set transform-origin
1724 |
1725 | css(ghostEl, 'transform-origin', tapDistanceLeft / parseInt(ghostEl.style.width) * 100 + '% ' + tapDistanceTop / parseInt(ghostEl.style.height) * 100 + '%');
1726 | }
1727 | },
1728 | _onDragStart: function _onDragStart(
1729 | /**Event*/
1730 | evt,
1731 | /**boolean*/
1732 | fallback) {
1733 | var _this = this;
1734 |
1735 | var dataTransfer = evt.dataTransfer;
1736 | var options = _this.options;
1737 | pluginEvent('dragStart', this, {
1738 | evt: evt
1739 | });
1740 |
1741 | if (Sortable.eventCanceled) {
1742 | this._onDrop();
1743 |
1744 | return;
1745 | }
1746 |
1747 | pluginEvent('setupClone', this);
1748 |
1749 | if (!Sortable.eventCanceled) {
1750 | cloneEl = clone(dragEl);
1751 | cloneEl.draggable = false;
1752 | cloneEl.style['will-change'] = '';
1753 |
1754 | this._hideClone();
1755 |
1756 | toggleClass(cloneEl, this.options.chosenClass, false);
1757 | Sortable.clone = cloneEl;
1758 | } // #1143: IFrame support workaround
1759 |
1760 |
1761 | _this.cloneId = _nextTick(function () {
1762 | pluginEvent('clone', _this);
1763 | if (Sortable.eventCanceled) return;
1764 |
1765 | if (!_this.options.removeCloneOnHide) {
1766 | rootEl.insertBefore(cloneEl, dragEl);
1767 | }
1768 |
1769 | _this._hideClone();
1770 |
1771 | _dispatchEvent({
1772 | sortable: _this,
1773 | name: 'clone'
1774 | });
1775 | });
1776 | !fallback && toggleClass(dragEl, options.dragClass, true); // Set proper drop events
1777 |
1778 | if (fallback) {
1779 | ignoreNextClick = true;
1780 | _this._loopId = setInterval(_this._emulateDragOver, 50);
1781 | } else {
1782 | // Undo what was set in _prepareDragStart before drag started
1783 | off(document, 'mouseup', _this._onDrop);
1784 | off(document, 'touchend', _this._onDrop);
1785 | off(document, 'touchcancel', _this._onDrop);
1786 |
1787 | if (dataTransfer) {
1788 | dataTransfer.effectAllowed = 'move';
1789 | options.setData && options.setData.call(_this, dataTransfer, dragEl);
1790 | }
1791 |
1792 | on(document, 'drop', _this); // #1276 fix:
1793 |
1794 | css(dragEl, 'transform', 'translateZ(0)');
1795 | }
1796 |
1797 | awaitingDragStarted = true;
1798 | _this._dragStartId = _nextTick(_this._dragStarted.bind(_this, fallback, evt));
1799 | on(document, 'selectstart', _this);
1800 | moved = true;
1801 |
1802 | if (Safari) {
1803 | css(document.body, 'user-select', 'none');
1804 | }
1805 | },
1806 | // Returns true - if no further action is needed (either inserted or another condition)
1807 | _onDragOver: function _onDragOver(
1808 | /**Event*/
1809 | evt) {
1810 | var el = this.el,
1811 | target = evt.target,
1812 | dragRect,
1813 | targetRect,
1814 | revert,
1815 | options = this.options,
1816 | group = options.group,
1817 | activeSortable = Sortable.active,
1818 | isOwner = activeGroup === group,
1819 | canSort = options.sort,
1820 | fromSortable = putSortable || activeSortable,
1821 | vertical,
1822 | _this = this,
1823 | completedFired = false;
1824 |
1825 | if (_silent) return;
1826 |
1827 | function dragOverEvent(name, extra) {
1828 | pluginEvent(name, _this, _objectSpread({
1829 | evt: evt,
1830 | isOwner: isOwner,
1831 | axis: vertical ? 'vertical' : 'horizontal',
1832 | revert: revert,
1833 | dragRect: dragRect,
1834 | targetRect: targetRect,
1835 | canSort: canSort,
1836 | fromSortable: fromSortable,
1837 | target: target,
1838 | completed: completed,
1839 | onMove: function onMove(target, after) {
1840 | return _onMove(rootEl, el, dragEl, dragRect, target, getRect(target), evt, after);
1841 | },
1842 | changed: changed
1843 | }, extra));
1844 | } // Capture animation state
1845 |
1846 |
1847 | function capture() {
1848 | dragOverEvent('dragOverAnimationCapture');
1849 |
1850 | _this.captureAnimationState();
1851 |
1852 | if (_this !== fromSortable) {
1853 | fromSortable.captureAnimationState();
1854 | }
1855 | } // Return invocation when dragEl is inserted (or completed)
1856 |
1857 |
1858 | function completed(insertion) {
1859 | dragOverEvent('dragOverCompleted', {
1860 | insertion: insertion
1861 | });
1862 |
1863 | if (insertion) {
1864 | // Clones must be hidden before folding animation to capture dragRectAbsolute properly
1865 | if (isOwner) {
1866 | activeSortable._hideClone();
1867 | } else {
1868 | activeSortable._showClone(_this);
1869 | }
1870 |
1871 | if (_this !== fromSortable) {
1872 | // Set ghost class to new sortable's ghost class
1873 | toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : activeSortable.options.ghostClass, false);
1874 | toggleClass(dragEl, options.ghostClass, true);
1875 | }
1876 |
1877 | if (putSortable !== _this && _this !== Sortable.active) {
1878 | putSortable = _this;
1879 | } else if (_this === Sortable.active && putSortable) {
1880 | putSortable = null;
1881 | } // Animation
1882 |
1883 |
1884 | if (fromSortable === _this) {
1885 | _this._ignoreWhileAnimating = target;
1886 | }
1887 |
1888 | _this.animateAll(function () {
1889 | dragOverEvent('dragOverAnimationComplete');
1890 | _this._ignoreWhileAnimating = null;
1891 | });
1892 |
1893 | if (_this !== fromSortable) {
1894 | fromSortable.animateAll();
1895 | fromSortable._ignoreWhileAnimating = null;
1896 | }
1897 | } // Null lastTarget if it is not inside a previously swapped element
1898 |
1899 |
1900 | if (target === dragEl && !dragEl.animated || target === el && !target.animated) {
1901 | lastTarget = null;
1902 | } // no bubbling and not fallback
1903 |
1904 |
1905 | if (!options.dragoverBubble && !evt.rootEl && target !== document) {
1906 | dragEl.parentNode[expando]._isOutsideThisEl(evt.target); // Do not detect for empty insert if already inserted
1907 |
1908 |
1909 | !insertion && nearestEmptyInsertDetectEvent(evt);
1910 | }
1911 |
1912 | !options.dragoverBubble && evt.stopPropagation && evt.stopPropagation();
1913 | return completedFired = true;
1914 | } // Call when dragEl has been inserted
1915 |
1916 |
1917 | function changed() {
1918 | newIndex = index(dragEl);
1919 | newDraggableIndex = index(dragEl, options.draggable);
1920 |
1921 | _dispatchEvent({
1922 | sortable: _this,
1923 | name: 'change',
1924 | toEl: el,
1925 | newIndex: newIndex,
1926 | newDraggableIndex: newDraggableIndex,
1927 | originalEvent: evt
1928 | });
1929 | }
1930 |
1931 | if (evt.preventDefault !== void 0) {
1932 | evt.cancelable && evt.preventDefault();
1933 | }
1934 |
1935 | target = closest(target, options.draggable, el, true);
1936 | dragOverEvent('dragOver');
1937 | if (Sortable.eventCanceled) return completedFired;
1938 |
1939 | if (dragEl.contains(evt.target) || target.animated && target.animatingX && target.animatingY || _this._ignoreWhileAnimating === target) {
1940 | return completed(false);
1941 | }
1942 |
1943 | ignoreNextClick = false;
1944 |
1945 | if (activeSortable && !options.disabled && (isOwner ? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
1946 | : putSortable === this || (this.lastPutMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) && group.checkPut(this, activeSortable, dragEl, evt))) {
1947 | vertical = this._getDirection(evt, target) === 'vertical';
1948 | dragRect = getRect(dragEl);
1949 | dragOverEvent('dragOverValid');
1950 | if (Sortable.eventCanceled) return completedFired;
1951 |
1952 | if (revert) {
1953 | parentEl = rootEl; // actualization
1954 |
1955 | capture();
1956 |
1957 | this._hideClone();
1958 |
1959 | dragOverEvent('revert');
1960 |
1961 | if (!Sortable.eventCanceled) {
1962 | if (nextEl) {
1963 | rootEl.insertBefore(dragEl, nextEl);
1964 | } else {
1965 | rootEl.appendChild(dragEl);
1966 | }
1967 | }
1968 |
1969 | return completed(true);
1970 | }
1971 |
1972 | var elLastChild = lastChild(el, options.draggable);
1973 |
1974 | if (!elLastChild || _ghostIsLast(evt, vertical, this) && !elLastChild.animated) {
1975 | // If already at end of list: Do not insert
1976 | if (elLastChild === dragEl) {
1977 | return completed(false);
1978 | } // assign target only if condition is true
1979 |
1980 |
1981 | if (elLastChild && el === evt.target) {
1982 | target = elLastChild;
1983 | }
1984 |
1985 | if (target) {
1986 | targetRect = getRect(target);
1987 | }
1988 |
1989 | if (_onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, !!target) !== false) {
1990 | capture();
1991 | el.appendChild(dragEl);
1992 | parentEl = el; // actualization
1993 |
1994 | changed();
1995 | return completed(true);
1996 | }
1997 | } else if (target.parentNode === el) {
1998 | targetRect = getRect(target);
1999 | var direction = 0,
2000 | targetBeforeFirstSwap,
2001 | differentLevel = dragEl.parentNode !== el,
2002 | differentRowCol = !_dragElInRowColumn(dragEl.animated && dragEl.toRect || dragRect, target.animated && target.toRect || targetRect, vertical),
2003 | side1 = vertical ? 'top' : 'left',
2004 | scrolledPastTop = isScrolledPast(target, 'top', 'top') || isScrolledPast(dragEl, 'top', 'top'),
2005 | scrollBefore = scrolledPastTop ? scrolledPastTop.scrollTop : void 0;
2006 |
2007 | if (lastTarget !== target) {
2008 | targetBeforeFirstSwap = targetRect[side1];
2009 | pastFirstInvertThresh = false;
2010 | isCircumstantialInvert = !differentRowCol && options.invertSwap || differentLevel;
2011 | }
2012 |
2013 | direction = _getSwapDirection(evt, target, targetRect, vertical, differentRowCol ? 1 : options.swapThreshold, options.invertedSwapThreshold == null ? options.swapThreshold : options.invertedSwapThreshold, isCircumstantialInvert, lastTarget === target);
2014 | var sibling;
2015 |
2016 | if (direction !== 0) {
2017 | // Check if target is beside dragEl in respective direction (ignoring hidden elements)
2018 | var dragIndex = index(dragEl);
2019 |
2020 | do {
2021 | dragIndex -= direction;
2022 | sibling = parentEl.children[dragIndex];
2023 | } while (sibling && (css(sibling, 'display') === 'none' || sibling === ghostEl));
2024 | } // If dragEl is already beside target: Do not insert
2025 |
2026 |
2027 | if (direction === 0 || sibling === target) {
2028 | return completed(false);
2029 | }
2030 |
2031 | lastTarget = target;
2032 | lastDirection = direction;
2033 | var nextSibling = target.nextElementSibling,
2034 | after = false;
2035 | after = direction === 1;
2036 |
2037 | var moveVector = _onMove(rootEl, el, dragEl, dragRect, target, targetRect, evt, after);
2038 |
2039 | if (moveVector !== false) {
2040 | if (moveVector === 1 || moveVector === -1) {
2041 | after = moveVector === 1;
2042 | }
2043 |
2044 | _silent = true;
2045 | setTimeout(_unsilent, 30);
2046 | capture();
2047 |
2048 | if (after && !nextSibling) {
2049 | el.appendChild(dragEl);
2050 | } else {
2051 | target.parentNode.insertBefore(dragEl, after ? nextSibling : target);
2052 | } // Undo chrome's scroll adjustment (has no effect on other browsers)
2053 |
2054 |
2055 | if (scrolledPastTop) {
2056 | scrollBy(scrolledPastTop, 0, scrollBefore - scrolledPastTop.scrollTop);
2057 | }
2058 |
2059 | parentEl = dragEl.parentNode; // actualization
2060 | // must be done before animation
2061 |
2062 | if (targetBeforeFirstSwap !== undefined && !isCircumstantialInvert) {
2063 | targetMoveDistance = Math.abs(targetBeforeFirstSwap - getRect(target)[side1]);
2064 | }
2065 |
2066 | changed();
2067 | return completed(true);
2068 | }
2069 | }
2070 |
2071 | if (el.contains(dragEl)) {
2072 | return completed(false);
2073 | }
2074 | }
2075 |
2076 | return false;
2077 | },
2078 | _ignoreWhileAnimating: null,
2079 | _offMoveEvents: function _offMoveEvents() {
2080 | off(document, 'mousemove', this._onTouchMove);
2081 | off(document, 'touchmove', this._onTouchMove);
2082 | off(document, 'pointermove', this._onTouchMove);
2083 | off(document, 'dragover', nearestEmptyInsertDetectEvent);
2084 | off(document, 'mousemove', nearestEmptyInsertDetectEvent);
2085 | off(document, 'touchmove', nearestEmptyInsertDetectEvent);
2086 | },
2087 | _offUpEvents: function _offUpEvents() {
2088 | var ownerDocument = this.el.ownerDocument;
2089 | off(ownerDocument, 'mouseup', this._onDrop);
2090 | off(ownerDocument, 'touchend', this._onDrop);
2091 | off(ownerDocument, 'pointerup', this._onDrop);
2092 | off(ownerDocument, 'touchcancel', this._onDrop);
2093 | off(document, 'selectstart', this);
2094 | },
2095 | _onDrop: function _onDrop(
2096 | /**Event*/
2097 | evt) {
2098 | var el = this.el,
2099 | options = this.options; // Get the index of the dragged element within its parent
2100 |
2101 | newIndex = index(dragEl);
2102 | newDraggableIndex = index(dragEl, options.draggable);
2103 | pluginEvent('drop', this, {
2104 | evt: evt
2105 | });
2106 | parentEl = dragEl && dragEl.parentNode; // Get again after plugin event
2107 |
2108 | newIndex = index(dragEl);
2109 | newDraggableIndex = index(dragEl, options.draggable);
2110 |
2111 | if (Sortable.eventCanceled) {
2112 | this._nulling();
2113 |
2114 | return;
2115 | }
2116 |
2117 | awaitingDragStarted = false;
2118 | isCircumstantialInvert = false;
2119 | pastFirstInvertThresh = false;
2120 | clearInterval(this._loopId);
2121 | clearTimeout(this._dragStartTimer);
2122 |
2123 | _cancelNextTick(this.cloneId);
2124 |
2125 | _cancelNextTick(this._dragStartId); // Unbind events
2126 |
2127 |
2128 | if (this.nativeDraggable) {
2129 | off(document, 'drop', this);
2130 | off(el, 'dragstart', this._onDragStart);
2131 | }
2132 |
2133 | this._offMoveEvents();
2134 |
2135 | this._offUpEvents();
2136 |
2137 | if (Safari) {
2138 | css(document.body, 'user-select', '');
2139 | }
2140 |
2141 | css(dragEl, 'transform', '');
2142 |
2143 | if (evt) {
2144 | if (moved) {
2145 | evt.cancelable && evt.preventDefault();
2146 | !options.dropBubble && evt.stopPropagation();
2147 | }
2148 |
2149 | ghostEl && ghostEl.parentNode && ghostEl.parentNode.removeChild(ghostEl);
2150 |
2151 | if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
2152 | // Remove clone(s)
2153 | cloneEl && cloneEl.parentNode && cloneEl.parentNode.removeChild(cloneEl);
2154 | }
2155 |
2156 | if (dragEl) {
2157 | if (this.nativeDraggable) {
2158 | off(dragEl, 'dragend', this);
2159 | }
2160 |
2161 | _disableDraggable(dragEl);
2162 |
2163 | dragEl.style['will-change'] = ''; // Remove classes
2164 | // ghostClass is added in dragStarted
2165 |
2166 | if (moved && !awaitingDragStarted) {
2167 | toggleClass(dragEl, putSortable ? putSortable.options.ghostClass : this.options.ghostClass, false);
2168 | }
2169 |
2170 | toggleClass(dragEl, this.options.chosenClass, false); // Drag stop event
2171 |
2172 | _dispatchEvent({
2173 | sortable: this,
2174 | name: 'unchoose',
2175 | toEl: parentEl,
2176 | newIndex: null,
2177 | newDraggableIndex: null,
2178 | originalEvent: evt
2179 | });
2180 |
2181 | if (rootEl !== parentEl) {
2182 | if (newIndex >= 0) {
2183 | // Add event
2184 | _dispatchEvent({
2185 | rootEl: parentEl,
2186 | name: 'add',
2187 | toEl: parentEl,
2188 | fromEl: rootEl,
2189 | originalEvent: evt
2190 | }); // Remove event
2191 |
2192 |
2193 | _dispatchEvent({
2194 | sortable: this,
2195 | name: 'remove',
2196 | toEl: parentEl,
2197 | originalEvent: evt
2198 | }); // drag from one list and drop into another
2199 |
2200 |
2201 | _dispatchEvent({
2202 | rootEl: parentEl,
2203 | name: 'sort',
2204 | toEl: parentEl,
2205 | fromEl: rootEl,
2206 | originalEvent: evt
2207 | });
2208 |
2209 | _dispatchEvent({
2210 | sortable: this,
2211 | name: 'sort',
2212 | toEl: parentEl,
2213 | originalEvent: evt
2214 | });
2215 | }
2216 |
2217 | putSortable && putSortable.save();
2218 | } else {
2219 | if (newIndex !== oldIndex) {
2220 | if (newIndex >= 0) {
2221 | // drag & drop within the same list
2222 | _dispatchEvent({
2223 | sortable: this,
2224 | name: 'update',
2225 | toEl: parentEl,
2226 | originalEvent: evt
2227 | });
2228 |
2229 | _dispatchEvent({
2230 | sortable: this,
2231 | name: 'sort',
2232 | toEl: parentEl,
2233 | originalEvent: evt
2234 | });
2235 | }
2236 | }
2237 | }
2238 |
2239 | if (Sortable.active) {
2240 | /* jshint eqnull:true */
2241 | if (newIndex == null || newIndex === -1) {
2242 | newIndex = oldIndex;
2243 | newDraggableIndex = oldDraggableIndex;
2244 | }
2245 |
2246 | _dispatchEvent({
2247 | sortable: this,
2248 | name: 'end',
2249 | toEl: parentEl,
2250 | originalEvent: evt
2251 | }); // Save sorting
2252 |
2253 |
2254 | this.save();
2255 | }
2256 | }
2257 | }
2258 |
2259 | this._nulling();
2260 | },
2261 | _nulling: function _nulling() {
2262 | pluginEvent('nulling', this);
2263 | rootEl = dragEl = parentEl = ghostEl = nextEl = cloneEl = lastDownEl = cloneHidden = tapEvt = touchEvt = moved = newIndex = newDraggableIndex = oldIndex = oldDraggableIndex = lastTarget = lastDirection = putSortable = activeGroup = Sortable.dragged = Sortable.ghost = Sortable.clone = Sortable.active = null;
2264 | savedInputChecked.forEach(function (el) {
2265 | el.checked = true;
2266 | });
2267 | savedInputChecked.length = lastDx = lastDy = 0;
2268 | },
2269 | handleEvent: function handleEvent(
2270 | /**Event*/
2271 | evt) {
2272 | switch (evt.type) {
2273 | case 'drop':
2274 | case 'dragend':
2275 | this._onDrop(evt);
2276 |
2277 | break;
2278 |
2279 | case 'dragenter':
2280 | case 'dragover':
2281 | if (dragEl) {
2282 | this._onDragOver(evt);
2283 |
2284 | _globalDragOver(evt);
2285 | }
2286 |
2287 | break;
2288 |
2289 | case 'selectstart':
2290 | evt.preventDefault();
2291 | break;
2292 | }
2293 | },
2294 |
2295 | /**
2296 | * Serializes the item into an array of string.
2297 | * @returns {String[]}
2298 | */
2299 | toArray: function toArray() {
2300 | var order = [],
2301 | el,
2302 | children = this.el.children,
2303 | i = 0,
2304 | n = children.length,
2305 | options = this.options;
2306 |
2307 | for (; i < n; i++) {
2308 | el = children[i];
2309 |
2310 | if (closest(el, options.draggable, this.el, false)) {
2311 | order.push(el.getAttribute(options.dataIdAttr) || _generateId(el));
2312 | }
2313 | }
2314 |
2315 | return order;
2316 | },
2317 |
2318 | /**
2319 | * Sorts the elements according to the array.
2320 | * @param {String[]} order order of the items
2321 | */
2322 | sort: function sort(order) {
2323 | var items = {},
2324 | rootEl = this.el;
2325 | this.toArray().forEach(function (id, i) {
2326 | var el = rootEl.children[i];
2327 |
2328 | if (closest(el, this.options.draggable, rootEl, false)) {
2329 | items[id] = el;
2330 | }
2331 | }, this);
2332 | order.forEach(function (id) {
2333 | if (items[id]) {
2334 | rootEl.removeChild(items[id]);
2335 | rootEl.appendChild(items[id]);
2336 | }
2337 | });
2338 | },
2339 |
2340 | /**
2341 | * Save the current sorting
2342 | */
2343 | save: function save() {
2344 | var store = this.options.store;
2345 | store && store.set && store.set(this);
2346 | },
2347 |
2348 | /**
2349 | * For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.
2350 | * @param {HTMLElement} el
2351 | * @param {String} [selector] default: `options.draggable`
2352 | * @returns {HTMLElement|null}
2353 | */
2354 | closest: function closest$1(el, selector) {
2355 | return closest(el, selector || this.options.draggable, this.el, false);
2356 | },
2357 |
2358 | /**
2359 | * Set/get option
2360 | * @param {string} name
2361 | * @param {*} [value]
2362 | * @returns {*}
2363 | */
2364 | option: function option(name, value) {
2365 | var options = this.options;
2366 |
2367 | if (value === void 0) {
2368 | return options[name];
2369 | } else {
2370 | var modifiedValue = PluginManager.modifyOption(this, name, value);
2371 |
2372 | if (typeof modifiedValue !== 'undefined') {
2373 | options[name] = modifiedValue;
2374 | } else {
2375 | options[name] = value;
2376 | }
2377 |
2378 | if (name === 'group') {
2379 | _prepareGroup(options);
2380 | }
2381 | }
2382 | },
2383 |
2384 | /**
2385 | * Destroy
2386 | */
2387 | destroy: function destroy() {
2388 | pluginEvent('destroy', this);
2389 | var el = this.el;
2390 | el[expando] = null;
2391 | off(el, 'mousedown', this._onTapStart);
2392 | off(el, 'touchstart', this._onTapStart);
2393 | off(el, 'pointerdown', this._onTapStart);
2394 |
2395 | if (this.nativeDraggable) {
2396 | off(el, 'dragover', this);
2397 | off(el, 'dragenter', this);
2398 | } // Remove draggable attributes
2399 |
2400 |
2401 | Array.prototype.forEach.call(el.querySelectorAll('[draggable]'), function (el) {
2402 | el.removeAttribute('draggable');
2403 | });
2404 |
2405 | this._onDrop();
2406 |
2407 | this._disableDelayedDragEvents();
2408 |
2409 | sortables.splice(sortables.indexOf(this.el), 1);
2410 | this.el = el = null;
2411 | },
2412 | _hideClone: function _hideClone() {
2413 | if (!cloneHidden) {
2414 | pluginEvent('hideClone', this);
2415 | if (Sortable.eventCanceled) return;
2416 | css(cloneEl, 'display', 'none');
2417 |
2418 | if (this.options.removeCloneOnHide && cloneEl.parentNode) {
2419 | cloneEl.parentNode.removeChild(cloneEl);
2420 | }
2421 |
2422 | cloneHidden = true;
2423 | }
2424 | },
2425 | _showClone: function _showClone(putSortable) {
2426 | if (putSortable.lastPutMode !== 'clone') {
2427 | this._hideClone();
2428 |
2429 | return;
2430 | }
2431 |
2432 | if (cloneHidden) {
2433 | pluginEvent('showClone', this);
2434 | if (Sortable.eventCanceled) return; // show clone at dragEl or original position
2435 |
2436 | if (rootEl.contains(dragEl) && !this.options.group.revertClone) {
2437 | rootEl.insertBefore(cloneEl, dragEl);
2438 | } else if (nextEl) {
2439 | rootEl.insertBefore(cloneEl, nextEl);
2440 | } else {
2441 | rootEl.appendChild(cloneEl);
2442 | }
2443 |
2444 | if (this.options.group.revertClone) {
2445 | this.animate(dragEl, cloneEl);
2446 | }
2447 |
2448 | css(cloneEl, 'display', '');
2449 | cloneHidden = false;
2450 | }
2451 | }
2452 | };
2453 |
2454 | function _globalDragOver(
2455 | /**Event*/
2456 | evt) {
2457 | if (evt.dataTransfer) {
2458 | evt.dataTransfer.dropEffect = 'move';
2459 | }
2460 |
2461 | evt.cancelable && evt.preventDefault();
2462 | }
2463 |
2464 | function _onMove(fromEl, toEl, dragEl, dragRect, targetEl, targetRect, originalEvent, willInsertAfter) {
2465 | var evt,
2466 | sortable = fromEl[expando],
2467 | onMoveFn = sortable.options.onMove,
2468 | retVal; // Support for new CustomEvent feature
2469 |
2470 | if (window.CustomEvent && !IE11OrLess && !Edge) {
2471 | evt = new CustomEvent('move', {
2472 | bubbles: true,
2473 | cancelable: true
2474 | });
2475 | } else {
2476 | evt = document.createEvent('Event');
2477 | evt.initEvent('move', true, true);
2478 | }
2479 |
2480 | evt.to = toEl;
2481 | evt.from = fromEl;
2482 | evt.dragged = dragEl;
2483 | evt.draggedRect = dragRect;
2484 | evt.related = targetEl || toEl;
2485 | evt.relatedRect = targetRect || getRect(toEl);
2486 | evt.willInsertAfter = willInsertAfter;
2487 | evt.originalEvent = originalEvent;
2488 | fromEl.dispatchEvent(evt);
2489 |
2490 | if (onMoveFn) {
2491 | retVal = onMoveFn.call(sortable, evt, originalEvent);
2492 | }
2493 |
2494 | return retVal;
2495 | }
2496 |
2497 | function _disableDraggable(el) {
2498 | el.draggable = false;
2499 | }
2500 |
2501 | function _unsilent() {
2502 | _silent = false;
2503 | }
2504 |
2505 | function _ghostIsLast(evt, vertical, sortable) {
2506 | var rect = getRect(lastChild(sortable.el, sortable.options.draggable));
2507 | var spacer = 10;
2508 | return vertical ? evt.clientX > rect.right + spacer || evt.clientX <= rect.right && evt.clientY > rect.bottom && evt.clientX >= rect.left : evt.clientX > rect.right && evt.clientY > rect.top || evt.clientX <= rect.right && evt.clientY > rect.bottom + spacer;
2509 | }
2510 |
2511 | function _getSwapDirection(evt, target, targetRect, vertical, swapThreshold, invertedSwapThreshold, invertSwap, isLastTarget) {
2512 | var mouseOnAxis = vertical ? evt.clientY : evt.clientX,
2513 | targetLength = vertical ? targetRect.height : targetRect.width,
2514 | targetS1 = vertical ? targetRect.top : targetRect.left,
2515 | targetS2 = vertical ? targetRect.bottom : targetRect.right,
2516 | invert = false;
2517 |
2518 | if (!invertSwap) {
2519 | // Never invert or create dragEl shadow when target movemenet causes mouse to move past the end of regular swapThreshold
2520 | if (isLastTarget && targetMoveDistance < targetLength * swapThreshold) {
2521 | // multiplied only by swapThreshold because mouse will already be inside target by (1 - threshold) * targetLength / 2
2522 | // check if past first invert threshold on side opposite of lastDirection
2523 | if (!pastFirstInvertThresh && (lastDirection === 1 ? mouseOnAxis > targetS1 + targetLength * invertedSwapThreshold / 2 : mouseOnAxis < targetS2 - targetLength * invertedSwapThreshold / 2)) {
2524 | // past first invert threshold, do not restrict inverted threshold to dragEl shadow
2525 | pastFirstInvertThresh = true;
2526 | }
2527 |
2528 | if (!pastFirstInvertThresh) {
2529 | // dragEl shadow (target move distance shadow)
2530 | if (lastDirection === 1 ? mouseOnAxis < targetS1 + targetMoveDistance // over dragEl shadow
2531 | : mouseOnAxis > targetS2 - targetMoveDistance) {
2532 | return -lastDirection;
2533 | }
2534 | } else {
2535 | invert = true;
2536 | }
2537 | } else {
2538 | // Regular
2539 | if (mouseOnAxis > targetS1 + targetLength * (1 - swapThreshold) / 2 && mouseOnAxis < targetS2 - targetLength * (1 - swapThreshold) / 2) {
2540 | return _getInsertDirection(target);
2541 | }
2542 | }
2543 | }
2544 |
2545 | invert = invert || invertSwap;
2546 |
2547 | if (invert) {
2548 | // Invert of regular
2549 | if (mouseOnAxis < targetS1 + targetLength * invertedSwapThreshold / 2 || mouseOnAxis > targetS2 - targetLength * invertedSwapThreshold / 2) {
2550 | return mouseOnAxis > targetS1 + targetLength / 2 ? 1 : -1;
2551 | }
2552 | }
2553 |
2554 | return 0;
2555 | }
2556 | /**
2557 | * Gets the direction dragEl must be swapped relative to target in order to make it
2558 | * seem that dragEl has been "inserted" into that element's position
2559 | * @param {HTMLElement} target The target whose position dragEl is being inserted at
2560 | * @return {Number} Direction dragEl must be swapped
2561 | */
2562 |
2563 |
2564 | function _getInsertDirection(target) {
2565 | if (index(dragEl) < index(target)) {
2566 | return 1;
2567 | } else {
2568 | return -1;
2569 | }
2570 | }
2571 | /**
2572 | * Generate id
2573 | * @param {HTMLElement} el
2574 | * @returns {String}
2575 | * @private
2576 | */
2577 |
2578 |
2579 | function _generateId(el) {
2580 | var str = el.tagName + el.className + el.src + el.href + el.textContent,
2581 | i = str.length,
2582 | sum = 0;
2583 |
2584 | while (i--) {
2585 | sum += str.charCodeAt(i);
2586 | }
2587 |
2588 | return sum.toString(36);
2589 | }
2590 |
2591 | function _saveInputCheckedState(root) {
2592 | savedInputChecked.length = 0;
2593 | var inputs = root.getElementsByTagName('input');
2594 | var idx = inputs.length;
2595 |
2596 | while (idx--) {
2597 | var el = inputs[idx];
2598 | el.checked && savedInputChecked.push(el);
2599 | }
2600 | }
2601 |
2602 | function _nextTick(fn) {
2603 | return setTimeout(fn, 0);
2604 | }
2605 |
2606 | function _cancelNextTick(id) {
2607 | return clearTimeout(id);
2608 | } // Fixed #973:
2609 |
2610 |
2611 | if (documentExists) {
2612 | on(document, 'touchmove', function (evt) {
2613 | if ((Sortable.active || awaitingDragStarted) && evt.cancelable) {
2614 | evt.preventDefault();
2615 | }
2616 | });
2617 | } // Export utils
2618 |
2619 |
2620 | Sortable.utils = {
2621 | on: on,
2622 | off: off,
2623 | css: css,
2624 | find: find,
2625 | is: function is(el, selector) {
2626 | return !!closest(el, selector, el, false);
2627 | },
2628 | extend: extend,
2629 | throttle: throttle,
2630 | closest: closest,
2631 | toggleClass: toggleClass,
2632 | clone: clone,
2633 | index: index,
2634 | nextTick: _nextTick,
2635 | cancelNextTick: _cancelNextTick,
2636 | detectDirection: _detectDirection,
2637 | getChild: getChild
2638 | };
2639 | /**
2640 | * Get the Sortable instance of an element
2641 | * @param {HTMLElement} element The element
2642 | * @return {Sortable|undefined} The instance of Sortable
2643 | */
2644 |
2645 | Sortable.get = function (element) {
2646 | return element[expando];
2647 | };
2648 | /**
2649 | * Mount a plugin to Sortable
2650 | * @param {...SortablePlugin|SortablePlugin[]} plugins Plugins being mounted
2651 | */
2652 |
2653 |
2654 | Sortable.mount = function () {
2655 | for (var _len = arguments.length, plugins = new Array(_len), _key = 0; _key < _len; _key++) {
2656 | plugins[_key] = arguments[_key];
2657 | }
2658 |
2659 | if (plugins[0].constructor === Array) plugins = plugins[0];
2660 | plugins.forEach(function (plugin) {
2661 | if (!plugin.prototype || !plugin.prototype.constructor) {
2662 | throw "Sortable: Mounted plugin must be a constructor function, not ".concat({}.toString.call(plugin));
2663 | }
2664 |
2665 | if (plugin.utils) Sortable.utils = _objectSpread({}, Sortable.utils, plugin.utils);
2666 | PluginManager.mount(plugin);
2667 | });
2668 | };
2669 | /**
2670 | * Create sortable instance
2671 | * @param {HTMLElement} el
2672 | * @param {Object} [options]
2673 | */
2674 |
2675 |
2676 | Sortable.create = function (el, options) {
2677 | return new Sortable(el, options);
2678 | }; // Export
2679 |
2680 |
2681 | Sortable.version = version;
2682 |
2683 | var autoScrolls = [],
2684 | scrollEl,
2685 | scrollRootEl,
2686 | scrolling = false,
2687 | lastAutoScrollX,
2688 | lastAutoScrollY,
2689 | touchEvt$1,
2690 | pointerElemChangedInterval;
2691 |
2692 | function AutoScrollPlugin() {
2693 | function AutoScroll() {
2694 | this.defaults = {
2695 | scroll: true,
2696 | scrollSensitivity: 30,
2697 | scrollSpeed: 10,
2698 | bubbleScroll: true
2699 | }; // Bind all private methods
2700 |
2701 | for (var fn in this) {
2702 | if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
2703 | this[fn] = this[fn].bind(this);
2704 | }
2705 | }
2706 | }
2707 |
2708 | AutoScroll.prototype = {
2709 | dragStarted: function dragStarted(_ref) {
2710 | var originalEvent = _ref.originalEvent;
2711 |
2712 | if (this.sortable.nativeDraggable) {
2713 | on(document, 'dragover', this._handleAutoScroll);
2714 | } else {
2715 | if (this.options.supportPointer) {
2716 | on(document, 'pointermove', this._handleFallbackAutoScroll);
2717 | } else if (originalEvent.touches) {
2718 | on(document, 'touchmove', this._handleFallbackAutoScroll);
2719 | } else {
2720 | on(document, 'mousemove', this._handleFallbackAutoScroll);
2721 | }
2722 | }
2723 | },
2724 | dragOverCompleted: function dragOverCompleted(_ref2) {
2725 | var originalEvent = _ref2.originalEvent;
2726 |
2727 | // For when bubbling is canceled and using fallback (fallback 'touchmove' always reached)
2728 | if (!this.options.dragOverBubble && !originalEvent.rootEl) {
2729 | this._handleAutoScroll(originalEvent);
2730 | }
2731 | },
2732 | drop: function drop() {
2733 | if (this.sortable.nativeDraggable) {
2734 | off(document, 'dragover', this._handleAutoScroll);
2735 | } else {
2736 | off(document, 'pointermove', this._handleFallbackAutoScroll);
2737 | off(document, 'touchmove', this._handleFallbackAutoScroll);
2738 | off(document, 'mousemove', this._handleFallbackAutoScroll);
2739 | }
2740 |
2741 | clearPointerElemChangedInterval();
2742 | clearAutoScrolls();
2743 | cancelThrottle();
2744 | },
2745 | nulling: function nulling() {
2746 | touchEvt$1 = scrollRootEl = scrollEl = scrolling = pointerElemChangedInterval = lastAutoScrollX = lastAutoScrollY = null;
2747 | autoScrolls.length = 0;
2748 | },
2749 | _handleFallbackAutoScroll: function _handleFallbackAutoScroll(evt) {
2750 | this._handleAutoScroll(evt, true);
2751 | },
2752 | _handleAutoScroll: function _handleAutoScroll(evt, fallback) {
2753 | var _this = this;
2754 |
2755 | var x = (evt.touches ? evt.touches[0] : evt).clientX,
2756 | y = (evt.touches ? evt.touches[0] : evt).clientY,
2757 | elem = document.elementFromPoint(x, y);
2758 | touchEvt$1 = evt; // IE does not seem to have native autoscroll,
2759 | // Edge's autoscroll seems too conditional,
2760 | // MACOS Safari does not have autoscroll,
2761 | // Firefox and Chrome are good
2762 |
2763 | if (fallback || Edge || IE11OrLess || Safari) {
2764 | autoScroll(evt, this.options, elem, fallback); // Listener for pointer element change
2765 |
2766 | var ogElemScroller = getParentAutoScrollElement(elem, true);
2767 |
2768 | if (scrolling && (!pointerElemChangedInterval || x !== lastAutoScrollX || y !== lastAutoScrollY)) {
2769 | pointerElemChangedInterval && clearPointerElemChangedInterval(); // Detect for pointer elem change, emulating native DnD behaviour
2770 |
2771 | pointerElemChangedInterval = setInterval(function () {
2772 | var newElem = getParentAutoScrollElement(document.elementFromPoint(x, y), true);
2773 |
2774 | if (newElem !== ogElemScroller) {
2775 | ogElemScroller = newElem;
2776 | clearAutoScrolls();
2777 | }
2778 |
2779 | autoScroll(evt, _this.options, newElem, fallback);
2780 | }, 10);
2781 | lastAutoScrollX = x;
2782 | lastAutoScrollY = y;
2783 | }
2784 | } else {
2785 | // if DnD is enabled (and browser has good autoscrolling), first autoscroll will already scroll, so get parent autoscroll of first autoscroll
2786 | if (!this.options.bubbleScroll || getParentAutoScrollElement(elem, true) === getWindowScrollingElement()) {
2787 | clearAutoScrolls();
2788 | return;
2789 | }
2790 |
2791 | autoScroll(evt, this.options, getParentAutoScrollElement(elem, false), false);
2792 | }
2793 | }
2794 | };
2795 | return _extends(AutoScroll, {
2796 | pluginName: 'scroll',
2797 | initializeByDefault: true
2798 | });
2799 | }
2800 |
2801 | function clearAutoScrolls() {
2802 | autoScrolls.forEach(function (autoScroll) {
2803 | clearInterval(autoScroll.pid);
2804 | });
2805 | autoScrolls = [];
2806 | }
2807 |
2808 | function clearPointerElemChangedInterval() {
2809 | clearInterval(pointerElemChangedInterval);
2810 | }
2811 |
2812 | var autoScroll = throttle(function (evt, options, rootEl, isFallback) {
2813 | // Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=505521
2814 | if (!options.scroll) return;
2815 | var x = (evt.touches ? evt.touches[0] : evt).clientX,
2816 | y = (evt.touches ? evt.touches[0] : evt).clientY,
2817 | sens = options.scrollSensitivity,
2818 | speed = options.scrollSpeed,
2819 | winScroller = getWindowScrollingElement();
2820 | var scrollThisInstance = false,
2821 | scrollCustomFn; // New scroll root, set scrollEl
2822 |
2823 | if (scrollRootEl !== rootEl) {
2824 | scrollRootEl = rootEl;
2825 | clearAutoScrolls();
2826 | scrollEl = options.scroll;
2827 | scrollCustomFn = options.scrollFn;
2828 |
2829 | if (scrollEl === true) {
2830 | scrollEl = getParentAutoScrollElement(rootEl, true);
2831 | }
2832 | }
2833 |
2834 | var layersOut = 0;
2835 | var currentParent = scrollEl;
2836 |
2837 | do {
2838 | var el = currentParent,
2839 | rect = getRect(el),
2840 | top = rect.top,
2841 | bottom = rect.bottom,
2842 | left = rect.left,
2843 | right = rect.right,
2844 | width = rect.width,
2845 | height = rect.height,
2846 | canScrollX = void 0,
2847 | canScrollY = void 0,
2848 | scrollWidth = el.scrollWidth,
2849 | scrollHeight = el.scrollHeight,
2850 | elCSS = css(el),
2851 | scrollPosX = el.scrollLeft,
2852 | scrollPosY = el.scrollTop;
2853 |
2854 | if (el === winScroller) {
2855 | canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll' || elCSS.overflowX === 'visible');
2856 | canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll' || elCSS.overflowY === 'visible');
2857 | } else {
2858 | canScrollX = width < scrollWidth && (elCSS.overflowX === 'auto' || elCSS.overflowX === 'scroll');
2859 | canScrollY = height < scrollHeight && (elCSS.overflowY === 'auto' || elCSS.overflowY === 'scroll');
2860 | }
2861 |
2862 | var vx = canScrollX && (Math.abs(right - x) <= sens && scrollPosX + width < scrollWidth) - (Math.abs(left - x) <= sens && !!scrollPosX);
2863 | var vy = canScrollY && (Math.abs(bottom - y) <= sens && scrollPosY + height < scrollHeight) - (Math.abs(top - y) <= sens && !!scrollPosY);
2864 |
2865 | if (!autoScrolls[layersOut]) {
2866 | for (var i = 0; i <= layersOut; i++) {
2867 | if (!autoScrolls[i]) {
2868 | autoScrolls[i] = {};
2869 | }
2870 | }
2871 | }
2872 |
2873 | if (autoScrolls[layersOut].vx != vx || autoScrolls[layersOut].vy != vy || autoScrolls[layersOut].el !== el) {
2874 | autoScrolls[layersOut].el = el;
2875 | autoScrolls[layersOut].vx = vx;
2876 | autoScrolls[layersOut].vy = vy;
2877 | clearInterval(autoScrolls[layersOut].pid);
2878 |
2879 | if (vx != 0 || vy != 0) {
2880 | scrollThisInstance = true;
2881 | /* jshint loopfunc:true */
2882 |
2883 | autoScrolls[layersOut].pid = setInterval(function () {
2884 | // emulate drag over during autoscroll (fallback), emulating native DnD behaviour
2885 | if (isFallback && this.layer === 0) {
2886 | Sortable.active._onTouchMove(touchEvt$1); // To move ghost if it is positioned absolutely
2887 |
2888 | }
2889 |
2890 | var scrollOffsetY = autoScrolls[this.layer].vy ? autoScrolls[this.layer].vy * speed : 0;
2891 | var scrollOffsetX = autoScrolls[this.layer].vx ? autoScrolls[this.layer].vx * speed : 0;
2892 |
2893 | if (typeof scrollCustomFn === 'function') {
2894 | if (scrollCustomFn.call(Sortable.dragged.parentNode[expando], scrollOffsetX, scrollOffsetY, evt, touchEvt$1, autoScrolls[this.layer].el) !== 'continue') {
2895 | return;
2896 | }
2897 | }
2898 |
2899 | scrollBy(autoScrolls[this.layer].el, scrollOffsetX, scrollOffsetY);
2900 | }.bind({
2901 | layer: layersOut
2902 | }), 24);
2903 | }
2904 | }
2905 |
2906 | layersOut++;
2907 | } while (options.bubbleScroll && currentParent !== winScroller && (currentParent = getParentAutoScrollElement(currentParent, false)));
2908 |
2909 | scrolling = scrollThisInstance; // in case another function catches scrolling as false in between when it is not
2910 | }, 30);
2911 |
2912 | var drop = function drop(_ref) {
2913 | var originalEvent = _ref.originalEvent,
2914 | putSortable = _ref.putSortable,
2915 | dragEl = _ref.dragEl,
2916 | activeSortable = _ref.activeSortable,
2917 | dispatchSortableEvent = _ref.dispatchSortableEvent,
2918 | hideGhostForTarget = _ref.hideGhostForTarget,
2919 | unhideGhostForTarget = _ref.unhideGhostForTarget;
2920 | if (!originalEvent) return;
2921 | var toSortable = putSortable || activeSortable;
2922 | hideGhostForTarget();
2923 | var touch = originalEvent.changedTouches && originalEvent.changedTouches.length ? originalEvent.changedTouches[0] : originalEvent;
2924 | var target = document.elementFromPoint(touch.clientX, touch.clientY);
2925 | unhideGhostForTarget();
2926 |
2927 | if (toSortable && !toSortable.el.contains(target)) {
2928 | dispatchSortableEvent('spill');
2929 | this.onSpill({
2930 | dragEl: dragEl,
2931 | putSortable: putSortable
2932 | });
2933 | }
2934 | };
2935 |
2936 | function Revert() {}
2937 |
2938 | Revert.prototype = {
2939 | startIndex: null,
2940 | dragStart: function dragStart(_ref2) {
2941 | var oldDraggableIndex = _ref2.oldDraggableIndex;
2942 | this.startIndex = oldDraggableIndex;
2943 | },
2944 | onSpill: function onSpill(_ref3) {
2945 | var dragEl = _ref3.dragEl,
2946 | putSortable = _ref3.putSortable;
2947 | this.sortable.captureAnimationState();
2948 |
2949 | if (putSortable) {
2950 | putSortable.captureAnimationState();
2951 | }
2952 |
2953 | var nextSibling = getChild(this.sortable.el, this.startIndex, this.options);
2954 |
2955 | if (nextSibling) {
2956 | this.sortable.el.insertBefore(dragEl, nextSibling);
2957 | } else {
2958 | this.sortable.el.appendChild(dragEl);
2959 | }
2960 |
2961 | this.sortable.animateAll();
2962 |
2963 | if (putSortable) {
2964 | putSortable.animateAll();
2965 | }
2966 | },
2967 | drop: drop
2968 | };
2969 |
2970 | _extends(Revert, {
2971 | pluginName: 'revertOnSpill'
2972 | });
2973 |
2974 | function Remove() {}
2975 |
2976 | Remove.prototype = {
2977 | onSpill: function onSpill(_ref4) {
2978 | var dragEl = _ref4.dragEl,
2979 | putSortable = _ref4.putSortable;
2980 | var parentSortable = putSortable || this.sortable;
2981 | parentSortable.captureAnimationState();
2982 | dragEl.parentNode && dragEl.parentNode.removeChild(dragEl);
2983 | parentSortable.animateAll();
2984 | },
2985 | drop: drop
2986 | };
2987 |
2988 | _extends(Remove, {
2989 | pluginName: 'removeOnSpill'
2990 | });
2991 |
2992 | var lastSwapEl;
2993 |
2994 | function SwapPlugin() {
2995 | function Swap() {
2996 | this.defaults = {
2997 | swapClass: 'sortable-swap-highlight'
2998 | };
2999 | }
3000 |
3001 | Swap.prototype = {
3002 | dragStart: function dragStart(_ref) {
3003 | var dragEl = _ref.dragEl;
3004 | lastSwapEl = dragEl;
3005 | },
3006 | dragOverValid: function dragOverValid(_ref2) {
3007 | var completed = _ref2.completed,
3008 | target = _ref2.target,
3009 | onMove = _ref2.onMove,
3010 | activeSortable = _ref2.activeSortable,
3011 | changed = _ref2.changed,
3012 | cancel = _ref2.cancel;
3013 | if (!activeSortable.options.swap) return;
3014 | var el = this.sortable.el,
3015 | options = this.options;
3016 |
3017 | if (target && target !== el) {
3018 | var prevSwapEl = lastSwapEl;
3019 |
3020 | if (onMove(target) !== false) {
3021 | toggleClass(target, options.swapClass, true);
3022 | lastSwapEl = target;
3023 | } else {
3024 | lastSwapEl = null;
3025 | }
3026 |
3027 | if (prevSwapEl && prevSwapEl !== lastSwapEl) {
3028 | toggleClass(prevSwapEl, options.swapClass, false);
3029 | }
3030 | }
3031 |
3032 | changed();
3033 | completed(true);
3034 | cancel();
3035 | },
3036 | drop: function drop(_ref3) {
3037 | var activeSortable = _ref3.activeSortable,
3038 | putSortable = _ref3.putSortable,
3039 | dragEl = _ref3.dragEl;
3040 | var toSortable = putSortable || this.sortable;
3041 | var options = this.options;
3042 | lastSwapEl && toggleClass(lastSwapEl, options.swapClass, false);
3043 |
3044 | if (lastSwapEl && (options.swap || putSortable && putSortable.options.swap)) {
3045 | if (dragEl !== lastSwapEl) {
3046 | toSortable.captureAnimationState();
3047 | if (toSortable !== activeSortable) activeSortable.captureAnimationState();
3048 | swapNodes(dragEl, lastSwapEl);
3049 | toSortable.animateAll();
3050 | if (toSortable !== activeSortable) activeSortable.animateAll();
3051 | }
3052 | }
3053 | },
3054 | nulling: function nulling() {
3055 | lastSwapEl = null;
3056 | }
3057 | };
3058 | return _extends(Swap, {
3059 | pluginName: 'swap',
3060 | eventProperties: function eventProperties() {
3061 | return {
3062 | swapItem: lastSwapEl
3063 | };
3064 | }
3065 | });
3066 | }
3067 |
3068 | function swapNodes(n1, n2) {
3069 | var p1 = n1.parentNode,
3070 | p2 = n2.parentNode,
3071 | i1,
3072 | i2;
3073 | if (!p1 || !p2 || p1.isEqualNode(n2) || p2.isEqualNode(n1)) return;
3074 | i1 = index(n1);
3075 | i2 = index(n2);
3076 |
3077 | if (p1.isEqualNode(p2) && i1 < i2) {
3078 | i2++;
3079 | }
3080 |
3081 | p1.insertBefore(n2, p1.children[i1]);
3082 | p2.insertBefore(n1, p2.children[i2]);
3083 | }
3084 |
3085 | var multiDragElements = [],
3086 | multiDragClones = [],
3087 | lastMultiDragSelect,
3088 | // for selection with modifier key down (SHIFT)
3089 | multiDragSortable,
3090 | initialFolding = false,
3091 | // Initial multi-drag fold when drag started
3092 | folding = false,
3093 | // Folding any other time
3094 | dragStarted = false,
3095 | dragEl$1,
3096 | clonesFromRect,
3097 | clonesHidden;
3098 |
3099 | function MultiDragPlugin() {
3100 | function MultiDrag(sortable) {
3101 | // Bind all private methods
3102 | for (var fn in this) {
3103 | if (fn.charAt(0) === '_' && typeof this[fn] === 'function') {
3104 | this[fn] = this[fn].bind(this);
3105 | }
3106 | }
3107 |
3108 | if (sortable.options.supportPointer) {
3109 | on(document, 'pointerup', this._deselectMultiDrag);
3110 | } else {
3111 | on(document, 'mouseup', this._deselectMultiDrag);
3112 | on(document, 'touchend', this._deselectMultiDrag);
3113 | }
3114 |
3115 | on(document, 'keydown', this._checkKeyDown);
3116 | on(document, 'keyup', this._checkKeyUp);
3117 | this.defaults = {
3118 | selectedClass: 'sortable-selected',
3119 | multiDragKey: null,
3120 | setData: function setData(dataTransfer, dragEl) {
3121 | var data = '';
3122 |
3123 | if (multiDragElements.length && multiDragSortable === sortable) {
3124 | multiDragElements.forEach(function (multiDragElement, i) {
3125 | data += (!i ? '' : ', ') + multiDragElement.textContent;
3126 | });
3127 | } else {
3128 | data = dragEl.textContent;
3129 | }
3130 |
3131 | dataTransfer.setData('Text', data);
3132 | }
3133 | };
3134 | }
3135 |
3136 | MultiDrag.prototype = {
3137 | multiDragKeyDown: false,
3138 | isMultiDrag: false,
3139 | delayStartGlobal: function delayStartGlobal(_ref) {
3140 | var dragged = _ref.dragEl;
3141 | dragEl$1 = dragged;
3142 | },
3143 | delayEnded: function delayEnded() {
3144 | this.isMultiDrag = ~multiDragElements.indexOf(dragEl$1);
3145 | },
3146 | setupClone: function setupClone(_ref2) {
3147 | var sortable = _ref2.sortable,
3148 | cancel = _ref2.cancel;
3149 | if (!this.isMultiDrag) return;
3150 |
3151 | for (var i = 0; i < multiDragElements.length; i++) {
3152 | multiDragClones.push(clone(multiDragElements[i]));
3153 | multiDragClones[i].sortableIndex = multiDragElements[i].sortableIndex;
3154 | multiDragClones[i].draggable = false;
3155 | multiDragClones[i].style['will-change'] = '';
3156 | toggleClass(multiDragClones[i], this.options.selectedClass, false);
3157 | multiDragElements[i] === dragEl$1 && toggleClass(multiDragClones[i], this.options.chosenClass, false);
3158 | }
3159 |
3160 | sortable._hideClone();
3161 |
3162 | cancel();
3163 | },
3164 | clone: function clone(_ref3) {
3165 | var sortable = _ref3.sortable,
3166 | rootEl = _ref3.rootEl,
3167 | dispatchSortableEvent = _ref3.dispatchSortableEvent,
3168 | cancel = _ref3.cancel;
3169 | if (!this.isMultiDrag) return;
3170 |
3171 | if (!this.options.removeCloneOnHide) {
3172 | if (multiDragElements.length && multiDragSortable === sortable) {
3173 | insertMultiDragClones(true, rootEl);
3174 | dispatchSortableEvent('clone');
3175 | cancel();
3176 | }
3177 | }
3178 | },
3179 | showClone: function showClone(_ref4) {
3180 | var cloneNowShown = _ref4.cloneNowShown,
3181 | rootEl = _ref4.rootEl,
3182 | cancel = _ref4.cancel;
3183 | if (!this.isMultiDrag) return;
3184 | insertMultiDragClones(false, rootEl);
3185 | multiDragClones.forEach(function (clone) {
3186 | css(clone, 'display', '');
3187 | });
3188 | cloneNowShown();
3189 | clonesHidden = false;
3190 | cancel();
3191 | },
3192 | hideClone: function hideClone(_ref5) {
3193 | var _this = this;
3194 |
3195 | var sortable = _ref5.sortable,
3196 | cloneNowHidden = _ref5.cloneNowHidden,
3197 | cancel = _ref5.cancel;
3198 | if (!this.isMultiDrag) return;
3199 | multiDragClones.forEach(function (clone) {
3200 | css(clone, 'display', 'none');
3201 |
3202 | if (_this.options.removeCloneOnHide && clone.parentNode) {
3203 | clone.parentNode.removeChild(clone);
3204 | }
3205 | });
3206 | cloneNowHidden();
3207 | clonesHidden = true;
3208 | cancel();
3209 | },
3210 | dragStartGlobal: function dragStartGlobal(_ref6) {
3211 | var sortable = _ref6.sortable;
3212 |
3213 | if (!this.isMultiDrag && multiDragSortable) {
3214 | multiDragSortable.multiDrag._deselectMultiDrag();
3215 | }
3216 |
3217 | multiDragElements.forEach(function (multiDragElement) {
3218 | multiDragElement.sortableIndex = index(multiDragElement);
3219 | }); // Sort multi-drag elements
3220 |
3221 | multiDragElements = multiDragElements.sort(function (a, b) {
3222 | return a.sortableIndex - b.sortableIndex;
3223 | });
3224 | dragStarted = true;
3225 | },
3226 | dragStarted: function dragStarted(_ref7) {
3227 | var _this2 = this;
3228 |
3229 | var sortable = _ref7.sortable;
3230 | if (!this.isMultiDrag) return;
3231 |
3232 | if (this.options.sort) {
3233 | // Capture rects,
3234 | // hide multi drag elements (by positioning them absolute),
3235 | // set multi drag elements rects to dragRect,
3236 | // show multi drag elements,
3237 | // animate to rects,
3238 | // unset rects & remove from DOM
3239 | sortable.captureAnimationState();
3240 |
3241 | if (this.options.animation) {
3242 | multiDragElements.forEach(function (multiDragElement) {
3243 | if (multiDragElement === dragEl$1) return;
3244 | css(multiDragElement, 'position', 'absolute');
3245 | });
3246 | var dragRect = getRect(dragEl$1, false, true, true);
3247 | multiDragElements.forEach(function (multiDragElement) {
3248 | if (multiDragElement === dragEl$1) return;
3249 | setRect(multiDragElement, dragRect);
3250 | });
3251 | folding = true;
3252 | initialFolding = true;
3253 | }
3254 | }
3255 |
3256 | sortable.animateAll(function () {
3257 | folding = false;
3258 | initialFolding = false;
3259 |
3260 | if (_this2.options.animation) {
3261 | multiDragElements.forEach(function (multiDragElement) {
3262 | unsetRect(multiDragElement);
3263 | });
3264 | } // Remove all auxiliary multidrag items from el, if sorting enabled
3265 |
3266 |
3267 | if (_this2.options.sort) {
3268 | removeMultiDragElements();
3269 | }
3270 | });
3271 | },
3272 | dragOver: function dragOver(_ref8) {
3273 | var target = _ref8.target,
3274 | completed = _ref8.completed,
3275 | cancel = _ref8.cancel;
3276 |
3277 | if (folding && ~multiDragElements.indexOf(target)) {
3278 | completed(false);
3279 | cancel();
3280 | }
3281 | },
3282 | revert: function revert(_ref9) {
3283 | var fromSortable = _ref9.fromSortable,
3284 | rootEl = _ref9.rootEl,
3285 | sortable = _ref9.sortable,
3286 | dragRect = _ref9.dragRect;
3287 |
3288 | if (multiDragElements.length > 1) {
3289 | // Setup unfold animation
3290 | multiDragElements.forEach(function (multiDragElement) {
3291 | sortable.addAnimationState({
3292 | target: multiDragElement,
3293 | rect: folding ? getRect(multiDragElement) : dragRect
3294 | });
3295 | unsetRect(multiDragElement);
3296 | multiDragElement.fromRect = dragRect;
3297 | fromSortable.removeAnimationState(multiDragElement);
3298 | });
3299 | folding = false;
3300 | insertMultiDragElements(!this.options.removeCloneOnHide, rootEl);
3301 | }
3302 | },
3303 | dragOverCompleted: function dragOverCompleted(_ref10) {
3304 | var sortable = _ref10.sortable,
3305 | isOwner = _ref10.isOwner,
3306 | insertion = _ref10.insertion,
3307 | activeSortable = _ref10.activeSortable,
3308 | parentEl = _ref10.parentEl,
3309 | putSortable = _ref10.putSortable;
3310 | var options = this.options;
3311 |
3312 | if (insertion) {
3313 | // Clones must be hidden before folding animation to capture dragRectAbsolute properly
3314 | if (isOwner) {
3315 | activeSortable._hideClone();
3316 | }
3317 |
3318 | initialFolding = false; // If leaving sort:false root, or already folding - Fold to new location
3319 |
3320 | if (options.animation && multiDragElements.length > 1 && (folding || !isOwner && !activeSortable.options.sort && !putSortable)) {
3321 | // Fold: Set all multi drag elements's rects to dragEl's rect when multi-drag elements are invisible
3322 | var dragRectAbsolute = getRect(dragEl$1, false, true, true);
3323 | multiDragElements.forEach(function (multiDragElement) {
3324 | if (multiDragElement === dragEl$1) return;
3325 | setRect(multiDragElement, dragRectAbsolute); // Move element(s) to end of parentEl so that it does not interfere with multi-drag clones insertion if they are inserted
3326 | // while folding, and so that we can capture them again because old sortable will no longer be fromSortable
3327 |
3328 | parentEl.appendChild(multiDragElement);
3329 | });
3330 | folding = true;
3331 | } // Clones must be shown (and check to remove multi drags) after folding when interfering multiDragElements are moved out
3332 |
3333 |
3334 | if (!isOwner) {
3335 | // Only remove if not folding (folding will remove them anyways)
3336 | if (!folding) {
3337 | removeMultiDragElements();
3338 | }
3339 |
3340 | if (multiDragElements.length > 1) {
3341 | var clonesHiddenBefore = clonesHidden;
3342 |
3343 | activeSortable._showClone(sortable); // Unfold animation for clones if showing from hidden
3344 |
3345 |
3346 | if (activeSortable.options.animation && !clonesHidden && clonesHiddenBefore) {
3347 | multiDragClones.forEach(function (clone) {
3348 | activeSortable.addAnimationState({
3349 | target: clone,
3350 | rect: clonesFromRect
3351 | });
3352 | clone.fromRect = clonesFromRect;
3353 | clone.thisAnimationDuration = null;
3354 | });
3355 | }
3356 | } else {
3357 | activeSortable._showClone(sortable);
3358 | }
3359 | }
3360 | }
3361 | },
3362 | dragOverAnimationCapture: function dragOverAnimationCapture(_ref11) {
3363 | var dragRect = _ref11.dragRect,
3364 | isOwner = _ref11.isOwner,
3365 | activeSortable = _ref11.activeSortable;
3366 | multiDragElements.forEach(function (multiDragElement) {
3367 | multiDragElement.thisAnimationDuration = null;
3368 | });
3369 |
3370 | if (activeSortable.options.animation && !isOwner && activeSortable.multiDrag.isMultiDrag) {
3371 | clonesFromRect = _extends({}, dragRect);
3372 | var dragMatrix = matrix(dragEl$1, true);
3373 | clonesFromRect.top -= dragMatrix.f;
3374 | clonesFromRect.left -= dragMatrix.e;
3375 | }
3376 | },
3377 | dragOverAnimationComplete: function dragOverAnimationComplete() {
3378 | if (folding) {
3379 | folding = false;
3380 | removeMultiDragElements();
3381 | }
3382 | },
3383 | drop: function drop(_ref12) {
3384 | var evt = _ref12.originalEvent,
3385 | rootEl = _ref12.rootEl,
3386 | parentEl = _ref12.parentEl,
3387 | sortable = _ref12.sortable,
3388 | dispatchSortableEvent = _ref12.dispatchSortableEvent,
3389 | oldIndex = _ref12.oldIndex,
3390 | putSortable = _ref12.putSortable;
3391 | var toSortable = putSortable || this.sortable;
3392 | if (!evt) return;
3393 | var options = this.options,
3394 | children = parentEl.children; // Multi-drag selection
3395 |
3396 | if (!dragStarted) {
3397 | if (options.multiDragKey && !this.multiDragKeyDown) {
3398 | this._deselectMultiDrag();
3399 | }
3400 |
3401 | toggleClass(dragEl$1, options.selectedClass, !~multiDragElements.indexOf(dragEl$1));
3402 |
3403 | if (!~multiDragElements.indexOf(dragEl$1)) {
3404 | multiDragElements.push(dragEl$1);
3405 | dispatchEvent({
3406 | sortable: sortable,
3407 | rootEl: rootEl,
3408 | name: 'select',
3409 | targetEl: dragEl$1,
3410 | originalEvt: evt
3411 | }); // Modifier activated, select from last to dragEl
3412 |
3413 | if (evt.shiftKey && lastMultiDragSelect && sortable.el.contains(lastMultiDragSelect)) {
3414 | var lastIndex = index(lastMultiDragSelect),
3415 | currentIndex = index(dragEl$1);
3416 |
3417 | if (~lastIndex && ~currentIndex && lastIndex !== currentIndex) {
3418 | // Must include lastMultiDragSelect (select it), in case modified selection from no selection
3419 | // (but previous selection existed)
3420 | var n, i;
3421 |
3422 | if (currentIndex > lastIndex) {
3423 | i = lastIndex;
3424 | n = currentIndex;
3425 | } else {
3426 | i = currentIndex;
3427 | n = lastIndex + 1;
3428 | }
3429 |
3430 | for (; i < n; i++) {
3431 | if (~multiDragElements.indexOf(children[i])) continue;
3432 | toggleClass(children[i], options.selectedClass, true);
3433 | multiDragElements.push(children[i]);
3434 | dispatchEvent({
3435 | sortable: sortable,
3436 | rootEl: rootEl,
3437 | name: 'select',
3438 | targetEl: children[i],
3439 | originalEvt: evt
3440 | });
3441 | }
3442 | }
3443 | } else {
3444 | lastMultiDragSelect = dragEl$1;
3445 | }
3446 |
3447 | multiDragSortable = toSortable;
3448 | } else {
3449 | multiDragElements.splice(multiDragElements.indexOf(dragEl$1), 1);
3450 | lastMultiDragSelect = null;
3451 | dispatchEvent({
3452 | sortable: sortable,
3453 | rootEl: rootEl,
3454 | name: 'deselect',
3455 | targetEl: dragEl$1,
3456 | originalEvt: evt
3457 | });
3458 | }
3459 | } // Multi-drag drop
3460 |
3461 |
3462 | if (dragStarted && this.isMultiDrag) {
3463 | // Do not "unfold" after around dragEl if reverted
3464 | if ((parentEl[expando].options.sort || parentEl !== rootEl) && multiDragElements.length > 1) {
3465 | var dragRect = getRect(dragEl$1),
3466 | multiDragIndex = index(dragEl$1, ':not(.' + this.options.selectedClass + ')');
3467 | if (!initialFolding && options.animation) dragEl$1.thisAnimationDuration = null;
3468 | toSortable.captureAnimationState();
3469 |
3470 | if (!initialFolding) {
3471 | if (options.animation) {
3472 | dragEl$1.fromRect = dragRect;
3473 | multiDragElements.forEach(function (multiDragElement) {
3474 | multiDragElement.thisAnimationDuration = null;
3475 |
3476 | if (multiDragElement !== dragEl$1) {
3477 | var rect = folding ? getRect(multiDragElement) : dragRect;
3478 | multiDragElement.fromRect = rect; // Prepare unfold animation
3479 |
3480 | toSortable.addAnimationState({
3481 | target: multiDragElement,
3482 | rect: rect
3483 | });
3484 | }
3485 | });
3486 | } // Multi drag elements are not necessarily removed from the DOM on drop, so to reinsert
3487 | // properly they must all be removed
3488 |
3489 |
3490 | removeMultiDragElements();
3491 | multiDragElements.forEach(function (multiDragElement) {
3492 | if (children[multiDragIndex]) {
3493 | parentEl.insertBefore(multiDragElement, children[multiDragIndex]);
3494 | } else {
3495 | parentEl.appendChild(multiDragElement);
3496 | }
3497 |
3498 | multiDragIndex++;
3499 | }); // If initial folding is done, the elements may have changed position because they are now
3500 | // unfolding around dragEl, even though dragEl may not have his index changed, so update event
3501 | // must be fired here as Sortable will not.
3502 |
3503 | if (oldIndex === index(dragEl$1)) {
3504 | var update = false;
3505 | multiDragElements.forEach(function (multiDragElement) {
3506 | if (multiDragElement.sortableIndex !== index(multiDragElement)) {
3507 | update = true;
3508 | return;
3509 | }
3510 | });
3511 |
3512 | if (update) {
3513 | dispatchSortableEvent('update');
3514 | }
3515 | }
3516 | } // Must be done after capturing individual rects (scroll bar)
3517 |
3518 |
3519 | multiDragElements.forEach(function (multiDragElement) {
3520 | unsetRect(multiDragElement);
3521 | });
3522 | toSortable.animateAll();
3523 | }
3524 |
3525 | multiDragSortable = toSortable;
3526 | } // Remove clones if necessary
3527 |
3528 |
3529 | if (rootEl === parentEl || putSortable && putSortable.lastPutMode !== 'clone') {
3530 | multiDragClones.forEach(function (clone) {
3531 | clone.parentNode && clone.parentNode.removeChild(clone);
3532 | });
3533 | }
3534 | },
3535 | nullingGlobal: function nullingGlobal() {
3536 | this.isMultiDrag = dragStarted = false;
3537 | multiDragClones.length = 0;
3538 | },
3539 | destroyGlobal: function destroyGlobal() {
3540 | this._deselectMultiDrag();
3541 |
3542 | off(document, 'pointerup', this._deselectMultiDrag);
3543 | off(document, 'mouseup', this._deselectMultiDrag);
3544 | off(document, 'touchend', this._deselectMultiDrag);
3545 | off(document, 'keydown', this._checkKeyDown);
3546 | off(document, 'keyup', this._checkKeyUp);
3547 | },
3548 | _deselectMultiDrag: function _deselectMultiDrag(evt) {
3549 | if (typeof dragStarted !== "undefined" && dragStarted) return; // Only deselect if selection is in this sortable
3550 |
3551 | if (multiDragSortable !== this.sortable) return; // Only deselect if target is not item in this sortable
3552 |
3553 | if (evt && closest(evt.target, this.options.draggable, this.sortable.el, false)) return; // Only deselect if left click
3554 |
3555 | if (evt && evt.button !== 0) return;
3556 |
3557 | while (multiDragElements.length) {
3558 | var el = multiDragElements[0];
3559 | toggleClass(el, this.options.selectedClass, false);
3560 | multiDragElements.shift();
3561 | dispatchEvent({
3562 | sortable: this.sortable,
3563 | rootEl: this.sortable.el,
3564 | name: 'deselect',
3565 | targetEl: el,
3566 | originalEvt: evt
3567 | });
3568 | }
3569 | },
3570 | _checkKeyDown: function _checkKeyDown(evt) {
3571 | if (evt.key === this.options.multiDragKey) {
3572 | this.multiDragKeyDown = true;
3573 | }
3574 | },
3575 | _checkKeyUp: function _checkKeyUp(evt) {
3576 | if (evt.key === this.options.multiDragKey) {
3577 | this.multiDragKeyDown = false;
3578 | }
3579 | }
3580 | };
3581 | return _extends(MultiDrag, {
3582 | // Static methods & properties
3583 | pluginName: 'multiDrag',
3584 | utils: {
3585 | /**
3586 | * Selects the provided multi-drag item
3587 | * @param {HTMLElement} el The element to be selected
3588 | */
3589 | select: function select(el) {
3590 | var sortable = el.parentNode[expando];
3591 | if (!sortable || !sortable.options.multiDrag || ~multiDragElements.indexOf(el)) return;
3592 |
3593 | if (multiDragSortable && multiDragSortable !== sortable) {
3594 | multiDragSortable.multiDrag._deselectMultiDrag();
3595 |
3596 | multiDragSortable = sortable;
3597 | }
3598 |
3599 | toggleClass(el, sortable.options.selectedClass, true);
3600 | multiDragElements.push(el);
3601 | },
3602 |
3603 | /**
3604 | * Deselects the provided multi-drag item
3605 | * @param {HTMLElement} el The element to be deselected
3606 | */
3607 | deselect: function deselect(el) {
3608 | var sortable = el.parentNode[expando],
3609 | index = multiDragElements.indexOf(el);
3610 | if (!sortable || !sortable.options.multiDrag || !~index) return;
3611 | toggleClass(el, sortable.options.selectedClass, false);
3612 | multiDragElements.splice(index, 1);
3613 | }
3614 | },
3615 | eventProperties: function eventProperties() {
3616 | var _this3 = this;
3617 |
3618 | var oldIndicies = [],
3619 | newIndicies = [];
3620 | multiDragElements.forEach(function (multiDragElement) {
3621 | oldIndicies.push({
3622 | multiDragElement: multiDragElement,
3623 | index: multiDragElement.sortableIndex
3624 | }); // multiDragElements will already be sorted if folding
3625 |
3626 | var newIndex;
3627 |
3628 | if (folding && multiDragElement !== dragEl$1) {
3629 | newIndex = -1;
3630 | } else if (folding) {
3631 | newIndex = index(multiDragElement, ':not(.' + _this3.options.selectedClass + ')');
3632 | } else {
3633 | newIndex = index(multiDragElement);
3634 | }
3635 |
3636 | newIndicies.push({
3637 | multiDragElement: multiDragElement,
3638 | index: newIndex
3639 | });
3640 | });
3641 | return {
3642 | items: _toConsumableArray(multiDragElements),
3643 | clones: [].concat(multiDragClones),
3644 | oldIndicies: oldIndicies,
3645 | newIndicies: newIndicies
3646 | };
3647 | },
3648 | optionListeners: {
3649 | multiDragKey: function multiDragKey(key) {
3650 | key = key.toLowerCase();
3651 |
3652 | if (key === 'ctrl') {
3653 | key = 'Control';
3654 | } else if (key.length > 1) {
3655 | key = key.charAt(0).toUpperCase() + key.substr(1);
3656 | }
3657 |
3658 | return key;
3659 | }
3660 | }
3661 | });
3662 | }
3663 |
3664 | function insertMultiDragElements(clonesInserted, rootEl) {
3665 | multiDragElements.forEach(function (multiDragElement, i) {
3666 | var target = rootEl.children[multiDragElement.sortableIndex + (clonesInserted ? Number(i) : 0)];
3667 |
3668 | if (target) {
3669 | rootEl.insertBefore(multiDragElement, target);
3670 | } else {
3671 | rootEl.appendChild(multiDragElement);
3672 | }
3673 | });
3674 | }
3675 | /**
3676 | * Insert multi-drag clones
3677 | * @param {[Boolean]} elementsInserted Whether the multi-drag elements are inserted
3678 | * @param {HTMLElement} rootEl
3679 | */
3680 |
3681 |
3682 | function insertMultiDragClones(elementsInserted, rootEl) {
3683 | multiDragClones.forEach(function (clone, i) {
3684 | var target = rootEl.children[clone.sortableIndex + (elementsInserted ? Number(i) : 0)];
3685 |
3686 | if (target) {
3687 | rootEl.insertBefore(clone, target);
3688 | } else {
3689 | rootEl.appendChild(clone);
3690 | }
3691 | });
3692 | }
3693 |
3694 | function removeMultiDragElements() {
3695 | multiDragElements.forEach(function (multiDragElement) {
3696 | if (multiDragElement === dragEl$1) return;
3697 | multiDragElement.parentNode && multiDragElement.parentNode.removeChild(multiDragElement);
3698 | });
3699 | }
3700 |
3701 | Sortable.mount(new AutoScrollPlugin());
3702 | Sortable.mount(Remove, Revert);
3703 |
3704 | Sortable.mount(new SwapPlugin());
3705 | Sortable.mount(new MultiDragPlugin());
3706 |
3707 | return Sortable;
3708 |
3709 | }));
3710 |
--------------------------------------------------------------------------------
/client/v2/data/window/extra/notify.js:
--------------------------------------------------------------------------------
1 | 'use strict';
2 |
3 | var Notify = function() {
4 | const fragment = this.fragment = document.createRange().createContextualFragment(`
5 |
85 |
86 |
87 | Error
88 | This is a Text
89 |
90 |
91 |
10 |
Welcome to Meeting!
11 |
12 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
32 |
33 |
34 |
35 |
36 |
--------------------------------------------------------------------------------
/client/v2/data/window/index.js:
--------------------------------------------------------------------------------
1 | /* global Meeting, configuration, Notify */
2 |
3 | 'use strict';
4 |
5 | const args = new URLSearchParams(location.search);
6 |
7 | let meeting;
8 | // auto-fill
9 | if (args.has('channel-id')) {
10 | document.querySelector('#join [name=channel-id]').value = args.get('channel-id');
11 | document.querySelector('#join [type=password]').focus();
12 | }
13 |
14 | chrome.storage.local.get({
15 | 'signaling-server': '',
16 | 'signaling-token': ''
17 | }, prefs => {
18 | meeting = new Meeting(prefs['signaling-server'], prefs['signaling-token']);
19 |
20 | document.getElementById('join').addEventListener('submit', async e => {
21 | e.preventDefault();
22 | const join = e.target.querySelector('input[type=submit]');
23 | join.value = 'connecting...';
24 | document.title = 'Connecting to Server...';
25 | join.disabled = true;
26 | const cid = e.target.querySelector('input[type=number]').value;
27 | const password = e.target.querySelector('input[type=password]').value;
28 | await meeting.password(password);
29 |
30 | meeting.join(cid, { // extra info
31 | nickname: Math.random()
32 | }).then(() => {
33 | document.title = 'Joined on channel #' + cid;
34 | history.pushState({}, '', '?channel-id=' + cid);
35 | return navigator.mediaDevices.getUserMedia(configuration.media).then(stream => {
36 | document.body.dataset.mode = 'joined';
37 | const me = document.getElementById('me');
38 | me.onloadedmetadata = () => me.play();
39 | me.srcObject = stream;
40 | }).catch(e => {
41 | throw Error('Cannot access to the user media: ' + e.message);
42 | });
43 | }).catch(e => {
44 | document.title = 'Meeting';
45 | join.value = 'Join';
46 | join.disabled = false;
47 | alert(e.message);
48 | });
49 | });
50 |
51 | // allow or block joining
52 | document.getElementById('socket').addEventListener('change', e => {
53 | meeting.socket[e.target.checked ? 'restart' : 'close']();
54 | if (e.target.checked) {
55 | meeting.send({
56 | method: 'socket-restart'
57 | });
58 | }
59 | });
60 | meeting.onConnectionStateChanged.addListener((type, state) => {
61 | if (type === 'socket') {
62 | const e = document.querySelector('#socket input');
63 | if (state === 'closed') {
64 | e.checked = false;
65 | }
66 | else {
67 | e.checked = true;
68 | }
69 | }
70 | });
71 | meeting.onCountChanged.addListener(count => {
72 | document.body.dataset.count = count;
73 | });
74 | meeting.onVideoRequest.addListener((video, peer) => {
75 | const view = document.createElement('video-view');
76 | view.setAttribute('controls', 'mute close');
77 | view.set(video);
78 | video.poster = 'assets/poster.png';
79 | document.getElementById('meeting').appendChild(view);
80 | view.onCloseRequested.addListener(() => {
81 | peer.close();
82 | });
83 | });
84 |
85 | const notify = new Notify();
86 | meeting.onMessage.addListener((guid, o) => {
87 | if ('message' in o) {
88 | notify.display(o.message, undefined, 5000);
89 | }
90 | });
91 |
92 | //
93 | document.getElementById('me').onCloseRequested.addListener(() => {
94 | location.reload();
95 | });
96 | });
97 |
98 |
--------------------------------------------------------------------------------
/client/v2/data/window/meeting/meeting.js:
--------------------------------------------------------------------------------
1 | /* global Peer, Socket, safe */
2 | 'use strict';
3 |
4 | const configuration = {
5 | server: {
6 | iceServers: [{
7 | 'urls': [
8 | 'stun:stun.services.mozilla.com',
9 | 'stun:stun.l.google.com:19302',
10 | 'stun:stun.mit.de:3478',
11 | 'stun:stun.gmx.net:3478'
12 | ]
13 | }]
14 | },
15 | media: {
16 | audio: true,
17 | video: true
18 | },
19 | timeout: {
20 | peer: 10000,
21 | resize: 1000
22 | }
23 | };
24 |
25 | const COMMON = Symbol('common');
26 | const INCLUDE = Symbol('include');
27 |
28 | class Meeting {
29 | constructor(orign, key) {
30 | const socket = this.socket = new class extends Socket {
31 | encrypt(msg) {
32 | return safe.encrypt(msg);
33 | }
34 | decrypt(msg) {
35 | return safe.decrypt(msg);
36 | }
37 | }(orign, key);
38 | socket.onMessage.addListener(msg => {
39 | if (msg.method === 'whoami') {
40 | this.client(msg.sender).then(peer => {
41 | peer.extra = msg.extra || {};
42 | this[INCLUDE](msg.sender, peer);
43 | socket.send({
44 | method: 'whoami-reply',
45 | extra: this.exta
46 | }, msg.sender);
47 | });
48 | }
49 | else if (msg.method === 'whoami-reply') {
50 | this.server(msg.sender).then(peer => {
51 | peer.extra = msg.extra || {};
52 | this[INCLUDE](msg.sender, peer);
53 | peer.offer();
54 | });
55 | }
56 | });
57 |
58 | this.videos = {};
59 | this.onVideoRequest = new Event();
60 |
61 | this.peers = {};
62 | this.onMessage = new Event();
63 |
64 | this.onConnectionStateChanged = new Event();
65 | socket.onConnectionStateChanged.addListener((type, state) => {
66 | this.onConnectionStateChanged.emit(type, state);
67 | });
68 |
69 | // count
70 | this.onCountChanged = new Event();
71 | }
72 | get count() {
73 | return this._count || 1;
74 | }
75 | set count(v) {
76 | this._count = v;
77 | this.onCountChanged.emit(v);
78 | }
79 | [COMMON](stream, recipient) {
80 | const p = new Peer(this.socket, configuration.server, recipient);
81 |
82 | let video;
83 | // add track
84 | p.onTrack.addListener(stream => {
85 | if (!video) {
86 | const tid = setTimeout(() => {
87 | console.warn('no signal is received from the peer', 'closing peer connection');
88 | this.onMessage.emit(recipient, {
89 | message: 'No signal is received'
90 | });
91 | p.close();
92 | }, configuration.timeout.peer);
93 | video = document.createElement('video');
94 | video.onloadedmetadata = () => {
95 | video.play();
96 | clearTimeout(tid);
97 | };
98 | this.onVideoRequest.emit(video, p);
99 | this.videos[recipient] = video;
100 | this.count += 1;
101 |
102 | // monitor video element size changes
103 | const send = e => {
104 | const width = Math.min(600, e.contentRect.width);
105 | const height = width * (e.contentRect.height / e.contentRect.width);
106 | p.send({
107 | method: 'video-constrain',
108 | value: {
109 | width: {
110 | max: width
111 | },
112 | height: {
113 | max: height
114 | },
115 | frameRate: {
116 | max: 30
117 | }
118 | }
119 | });
120 | };
121 | const resizeObserver = new ResizeObserver(([e]) => {
122 | clearTimeout(send.id);
123 | send.id = setTimeout(send, configuration.timeout.resize, e);
124 | });
125 | resizeObserver.observe(video);
126 | }
127 |
128 | // don't set srcObject again if it is already set.
129 | if (video.srcObject) {
130 | return;
131 | }
132 | video.srcObject = stream;
133 | });
134 | stream.getTracks().forEach(track => p.pc.addTrack(track, stream));
135 |
136 | p.onMessage.addListener(request => {
137 | this.onMessage.emit(recipient, request);
138 |
139 | if (request.method === 'video-constrain') {
140 | const [vst] = stream.getVideoTracks();
141 | vst.applyConstraints(request.value);
142 | }
143 | else if (request.method === 'socket-restart') {
144 | this.socket.restart();
145 | }
146 | });
147 |
148 | return p;
149 | }
150 |
151 | async server(recipient) {
152 | const stream = await navigator.mediaDevices.getUserMedia(configuration.media);
153 | const p = this[COMMON](stream, recipient);
154 | p.channel();
155 |
156 | return p;
157 | }
158 | async client(recipient) {
159 | const stream = await navigator.mediaDevices.getUserMedia(configuration.media);
160 | return this[COMMON](stream, recipient);
161 | }
162 | password(v) {
163 | return safe.password(v);
164 | }
165 |
166 | /* include new peer */
167 | [INCLUDE](guid, p) {
168 | this.peers[guid] = p;
169 | p.onConnectionStateChanged.addListener((type, state) => {
170 | if (
171 | (type === 'channel' && state === 'closed') ||
172 | (type === 'peer' && (state === 'disconnected' || state === 'failed'))
173 | ) {
174 | const v = this.videos[guid];
175 | if (v) {
176 | v.remove();
177 | delete this.videos[guid];
178 | this.count -= 1;
179 | }
180 | delete this.peers[guid];
181 | }
182 | this.onConnectionStateChanged.emit(type, state);
183 | });
184 | }
185 |
186 | join(cid, extra = {}) {
187 | this.exta = extra;
188 | return this.socket.create(cid).then(() => this.socket.send({
189 | method: 'whoami',
190 | extra
191 | }));
192 | }
193 |
194 | send(o) {
195 | for (const peer of Object.values(this.peers)) {
196 | peer.send(o);
197 | }
198 | }
199 | }
200 |
--------------------------------------------------------------------------------
/client/v2/data/window/meeting/peer.js:
--------------------------------------------------------------------------------
1 | 'use strict';
2 |
3 | const KEY = 'SFpKNlNlb1RkMDNIc1ZNNHZ0d1pmNnF1VHY2NHl1TVlmVEVOQmdvcDR3TG9NWmh3QUNvWGxwTXBhRHJK';
4 | // const ORIGIN = 'wss://connect.websocket.in/v3/[CHANNEL_ID]?apiKey=[API_KEY]';
5 | // const ORIGIN = 'wss://meeting-server.herokuapp.com/[CHANNEL_ID]?apiKey=[API_KEY]';
6 | // const ORIGIN = 'ws://127.0.0.1:8000/[CHANNEL_ID]?apiKey=[API_KEY]';
7 | // const ORIGIN = 'wss://meetingserver.eu.openode.io/[CHANNEL_ID]?apiKey=[API_KEY]';
8 | const ORIGIN = 'wss://connect.meetingserver.repl.co/[CHANNEL_ID]?apiKey=[API_KEY]';
9 | const GUID = ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c =>
10 | (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
11 | );
12 |
13 | class Socket {
14 | constructor(origin, key) {
15 | this.key = key || atob(KEY);
16 | this.server = (origin || ORIGIN).replace('[API_KEY]', this.key);
17 | this.onConnectionStateChanged = new Event();
18 | this.onMessage = new Event();
19 | }
20 | create(cid = 1) {
21 | if (cid < 1 || cid > 10000) {
22 | throw Error('range limit');
23 | }
24 | this.cid = cid;
25 |
26 | return new Promise((resolve, reject) => {
27 | const socket = this.socket = new WebSocket(this.server.replace('[CHANNEL_ID]', cid));
28 | socket.onopen = () => {
29 | setTimeout(() => {
30 | if (socket.readyState === 1) {
31 | resolve();
32 | this.onConnectionStateChanged.emit('socket', 'ready');
33 | }
34 | else {
35 | reject(Error('connection closed'));
36 | this.onConnectionStateChanged.emit('socket', 'closed');
37 | }
38 | }, 500);
39 | };
40 | socket.onclose = () => {
41 | reject(Error('connection closed'));
42 | this.onConnectionStateChanged.emit('socket', 'closed');
43 | };
44 | socket.onmessage = e => {
45 | this.decrypt(e.data).then(msg => {
46 | msg = JSON.parse(msg);
47 | if ('recipient' in msg) {
48 | if (msg.recipient === GUID) {
49 | this.onMessage.emit(msg);
50 | }
51 | }
52 | else {
53 | this.onMessage.emit(msg);
54 | }
55 | }).catch(() => {
56 | try {
57 | const j = JSON.parse(e.data);
58 | if (j.error) {
59 | alert(j.error);
60 | }
61 | else {
62 | throw Error('message is not encrypted');
63 | }
64 | }
65 | catch (e) {
66 | console.warn('cannot decrypt the encrypted message');
67 | }
68 | });
69 | };
70 | });
71 | }
72 | encrypt(msg) {
73 | return Promise.resolve(msg);
74 | }
75 | decrypt(msg) {
76 | return Promise.resolve(msg);
77 | }
78 | send(msg, recipient) {
79 | const o = {
80 | ...msg,
81 | sender: GUID
82 | };
83 | if (recipient) {
84 | o.recipient = recipient;
85 | }
86 | this.encrypt(JSON.stringify(o)).then(e => this.socket.send(e));
87 | }
88 | close() {
89 | try {
90 | this.socket.close();
91 | }
92 | catch (e) {}
93 | }
94 | restart() {
95 | this.close();
96 | this.create(this.cid);
97 | }
98 | }
99 |
100 | class Peer {
101 | constructor(socket, configuration, recipient) {
102 | const pc = this.pc = new RTCPeerConnection(configuration);
103 |
104 | this.recipient = recipient;
105 |
106 | this.onConnectionStateChanged = new Event();
107 | pc.onconnectionstatechange = () => this.onConnectionStateChanged.emit('peer', pc.connectionState);
108 |
109 | let cid; // send multiple candidates in one request
110 | const candidates = [];
111 | pc.onicecandidate = ({candidate}) => {
112 | if (candidate) {
113 | this.onConnectionStateChanged.emit('candidate', 'generated');
114 | clearTimeout(cid);
115 | cid = setTimeout(() => {
116 | socket.send({candidates}, recipient);
117 | }, 500);
118 | candidates.push(candidate);
119 | }
120 | };
121 | this.socket = socket;
122 | socket.onMessage.addListener(msg => this.parse(msg));
123 |
124 | // track
125 | this.onTrack = new Event();
126 | pc.ontrack = e => this.onTrack.emit(e.streams[0]);
127 |
128 | // channel
129 | this.onMessage = new Event();
130 | this.channels = {};
131 | pc.ondatachannel = e => {
132 | const ch = e.channel;
133 | this.channel(ch.label, ch);
134 | };
135 | }
136 | // process messages from the other end
137 | async parse(msg) {
138 | // all new client peers receive messages from any recipient. Only accept from recipient
139 | if (msg.sender !== this.recipient) {
140 | // console.log('ignored', msg, msg.sender, this.recipient);
141 | return;
142 | }
143 | const {desc, candidates} = msg;
144 | const {socket, pc} = this;
145 | if (candidates) {
146 | for (const candidate of candidates) {
147 | pc.addIceCandidate(candidate);
148 | }
149 | }
150 | else if (desc && desc.type === 'answer') { // server-side
151 | this.onConnectionStateChanged.emit('desc', 'received');
152 | pc.setRemoteDescription(desc);
153 | }
154 | else if (desc && desc.type === 'offer') { // client-side
155 | this.onConnectionStateChanged.emit('desc', 'received');
156 | await pc.setRemoteDescription(desc);
157 | const answer = await pc.createAnswer();
158 |
159 | await pc.setLocalDescription(answer);
160 | socket.send({desc: answer}, this.recipient);
161 | }
162 | }
163 | send(msg, name = 'json') {
164 | try {
165 | this.channels[name].send(JSON.stringify(msg));
166 | }
167 | catch (e) {}
168 | }
169 | // create offer (server-side)
170 | async offer() {
171 | const {socket, pc} = this;
172 | const offer = await pc.createOffer();
173 | await pc.setLocalDescription(offer);
174 | socket.send({desc: pc.localDescription}, this.recipient);
175 | }
176 | // channel
177 | channel(name = 'json', ch) {
178 | ch = ch || this.pc.createDataChannel(name);
179 | ch.onmessage = e => this.onMessage.emit(JSON.parse(e.data));
180 | ch.onopen = () => this.onConnectionStateChanged.emit('channel', 'ready');
181 | ch.onclose = () => this.onConnectionStateChanged.emit('channel', 'closed');
182 | this.channels[ch.label] = ch;
183 | }
184 | // close
185 | close() {
186 | const {pc} = this;
187 | pc.close();
188 | this.onConnectionStateChanged.emit('channel', 'closed');
189 | }
190 | }
191 |
--------------------------------------------------------------------------------
/client/v2/data/window/meeting/safe.js:
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1 | 'use strict';
2 |
3 | const safe = {};
4 | window.safe = safe;
5 |
6 | {
7 | const iv = crypto.getRandomValues(new Uint8Array(16));
8 |
9 | const toBuffer = str => {
10 | const bytes = new Uint8Array(str.length);
11 | [...str].forEach((c, i) => bytes[i] = c.charCodeAt(0));
12 | return bytes;
13 | };
14 | const toString = buffer => [...buffer].map(b => String.fromCharCode(b)).join('');
15 |
16 | let key = '';
17 | safe.password = async password => {
18 | key = await crypto.subtle.digest({
19 | name: 'SHA-256'
20 | }, toBuffer(password)).then(result => crypto.subtle.importKey('raw', result, {
21 | name: 'AES-CBC'
22 | }, false, ['encrypt', 'decrypt']));
23 | };
24 | safe.encrypt = async data => {
25 | const result = await crypto.subtle.encrypt({
26 | name: 'AES-CBC',
27 | iv
28 | }, key, toBuffer(data));
29 | return new Promise(resolve => {
30 | const reader = new FileReader();
31 | reader.onload = () => resolve(reader.result);
32 | reader.readAsDataURL(new Blob([iv, result], {type: 'application/octet-binary'}));
33 | });
34 | };
35 | safe.decrypt = async data => {
36 | const result = await crypto.subtle.decrypt({
37 | name: 'AES-CBC',
38 | iv
39 | }, key, toBuffer(atob(data.split(',')[1])));
40 | return toString((new Uint8Array(result)).subarray(16));
41 | };
42 | }
43 |
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/client/v2/manifest.json:
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1 | {
2 | "manifest_version": 2,
3 | "version": "0.1.1",
4 | "name": "Meeting",
5 | "description": "a secure peer-to-peer video and audio conference using WebRTC that works with or without INTERNET access",
6 | "permissions": [
7 | "storage"
8 | ],
9 | "icons": {
10 | "16": "data/icons/16.png",
11 | "19": "data/icons/19.png",
12 | "32": "data/icons/32.png",
13 | "38": "data/icons/38.png",
14 | "48": "data/icons/48.png",
15 | "64": "data/icons/64.png",
16 | "128": "data/icons/128.png",
17 | "256": "data/icons/256.png",
18 | "512": "data/icons/512.png"
19 | },
20 | "background": {
21 | "persistent": false,
22 | "scripts": [
23 | "background.js"
24 | ]
25 | },
26 | "browser_action": {},
27 | "options_ui": {
28 | "page": "data/options/index.html",
29 | "chrome_style": true
30 | },
31 | "homepage_url": "https://add0n.com/meeting.html"
32 | }
33 |
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/client/v3/data/options/index.css:
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1 | body {
2 | font-size: 14px;
3 | font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
4 | background-color: #fff;
5 | color: #4d5156;
6 | width: min(100% - 2rem, 70rem);
7 | margin-inline: auto;
8 | }
9 | select,
10 | button,
11 | input[type=submit],
12 | input[type=button] {
13 | height: 24px;
14 | color: #444;
15 | background-image: linear-gradient(rgb(237, 237, 237), rgb(237, 237, 237) 38%, rgb(222, 222, 222));
16 | box-shadow: rgba(0, 0, 0, 0.08) 0 1px 0, rgba(255, 255, 255, 0.75) 0 1px 2px inset;
17 | text-shadow: rgb(240, 240, 240) 0 1px 0;
18 | }
19 | select,
20 | button,
21 | textarea,
22 | input {
23 | border: solid 1px rgba(0, 0, 0, 0.25);
24 | }
25 | input[type=button]:disabled {
26 | opacity: 0.5;
27 | }
28 | input[type=text] {
29 | width: 100%;
30 | box-sizing: border-box;
31 | }
32 | textarea {
33 | width: 100%;
34 | box-sizing: border-box;
35 | display: block;
36 | }
37 | textarea,
38 | input[type=text],
39 | input[type=number] {
40 | padding: 5px;
41 | outline: none;
42 | }
43 | textarea:focus,
44 | input[type=text]:focus,
45 | input[type=number]:focus {
46 | background-color: #e5f8ff;
47 | }
48 | a,
49 | a:visited {
50 | color: #07c;
51 | }
52 | #signaling {
53 | display: grid;
54 | grid-template-columns: min-content 1fr;
55 | grid-gap: 10px;
56 | white-space: nowrap;
57 | align-items: center;
58 | }
59 |
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/client/v3/data/options/index.html:
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1 |
2 |
3 |
4 | Options Page :: Meeting
5 |
6 |
7 |
8 |
9 | Signaling Server
10 |
11 | Signaling Token
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
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/client/v3/data/options/index.js:
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1 | 'use strict';
2 |
3 | const toast = document.getElementById('toast');
4 |
5 | chrome.storage.local.get({
6 | 'signaling-server': '',
7 | 'signaling-token': ''
8 | }, prefs => {
9 | document.getElementById('signaling-server').value = prefs['signaling-server'] || 'wss://connect.meetingserver.repl.co/[CHANNEL_ID]?apiKey=[API_KEY]';
10 | document.getElementById('signaling-token').value = prefs['signaling-token'];
11 | });
12 |
13 | document.getElementById('save').addEventListener('click', () => chrome.storage.local.set({
14 | 'signaling-server': document.getElementById('signaling-server').value,
15 | 'signaling-token': document.getElementById('signaling-token').value
16 | }, () => {
17 | toast.textContent = 'Options saved';
18 | window.setTimeout(() => toast.textContent = '', 750);
19 | }));
20 |
21 | // reset
22 | document.getElementById('reset').addEventListener('click', e => {
23 | if (e.detail === 1) {
24 | toast.textContent = 'Double-click to reset!';
25 | window.setTimeout(() => toast.textContent = '', 750);
26 | }
27 | else {
28 | localStorage.clear();
29 | chrome.storage.local.clear(() => {
30 | chrome.runtime.reload();
31 | window.close();
32 | });
33 | }
34 | });
35 | // support
36 | document.getElementById('support').addEventListener('click', () => chrome.tabs.create({
37 | url: chrome.runtime.getManifest().homepage_url + '?rd=donate'
38 | }));
39 |
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/client/v3/data/window/components/video-view.js:
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1 | class VideoView extends HTMLElement {
2 | constructor() {
3 | super();
4 | const shadow = this.attachShadow({
5 | mode: 'open'
6 | });
7 | shadow.innerHTML = `
8 |
64 |
65 |
66 |
69 |
74 |
86 |
87 | Error
88 | This is a Text
89 |
90 |
91 |
10 |
Welcome to Meeting!
11 |
12 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
32 |
33 |
34 |
35 |
36 |
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/client/v3/data/window/index.js:
--------------------------------------------------------------------------------
1 | /* global Meeting, configuration, Notify */
2 |
3 | 'use strict';
4 |
5 | const args = new URLSearchParams(location.search);
6 |
7 | let meeting;
8 | // auto-fill
9 | if (args.has('channel-id')) {
10 | document.querySelector('#join [name=channel-id]').value = args.get('channel-id');
11 | document.querySelector('#join [type=password]').focus();
12 | }
13 |
14 | chrome.storage.local.get({
15 | 'signaling-server': '',
16 | 'signaling-token': '',
17 | 'media': configuration.media
18 | }, prefs => {
19 | Object.assign(configuration.media, prefs.media);
20 |
21 | console.log(configuration.media);
22 |
23 | meeting = new Meeting(prefs['signaling-server'], prefs['signaling-token']);
24 |
25 | document.getElementById('join').addEventListener('submit', async e => {
26 | e.preventDefault();
27 | const join = e.target.querySelector('input[type=submit]');
28 | join.value = 'connecting...';
29 | document.title = 'Connecting to Server...';
30 | join.disabled = true;
31 | const cid = e.target.querySelector('input[type=number]').value;
32 | const password = e.target.querySelector('input[type=password]').value;
33 | await meeting.password(password);
34 |
35 | meeting.join(cid, { // extra info
36 | nickname: Math.random()
37 | }).then(() => {
38 | document.title = 'Joined on channel #' + cid;
39 | history.pushState({}, '', '?channel-id=' + cid);
40 | return navigator.mediaDevices.getUserMedia(configuration.media).then(stream => {
41 | console.log(stream);
42 | document.body.dataset.mode = 'joined';
43 | const me = document.getElementById('me');
44 | me.onloadedmetadata = () => me.play();
45 | me.srcObject = stream;
46 | }).catch(e => {
47 | throw Error('Cannot access to the user media: ' + e.message);
48 | });
49 | }).catch(e => {
50 | document.title = 'Meeting';
51 | join.value = 'Join';
52 | join.disabled = false;
53 | alert(e.message);
54 | });
55 | });
56 |
57 | // allow or block joining
58 | document.getElementById('socket').addEventListener('change', e => {
59 | meeting.socket[e.target.checked ? 'restart' : 'close']();
60 | if (e.target.checked) {
61 | meeting.send({
62 | method: 'socket-restart'
63 | });
64 | }
65 | });
66 | meeting.onConnectionStateChanged.addListener((type, state) => {
67 | if (type === 'socket') {
68 | const e = document.querySelector('#socket input');
69 | if (state === 'closed') {
70 | e.checked = false;
71 | }
72 | else {
73 | e.checked = true;
74 | }
75 | }
76 | });
77 | meeting.onCountChanged.addListener(count => {
78 | document.body.dataset.count = count;
79 | });
80 | meeting.onVideoRequest.addListener((video, peer) => {
81 | const view = document.createElement('video-view');
82 | view.setAttribute('controls', 'mute close');
83 | view.set(video);
84 | video.poster = 'assets/poster.png';
85 | document.getElementById('meeting').appendChild(view);
86 | view.onCloseRequested.addListener(() => {
87 | peer.close();
88 | });
89 | });
90 |
91 | const notify = new Notify();
92 | meeting.onMessage.addListener((guid, o) => {
93 | if ('message' in o) {
94 | notify.display(o.message, undefined, 5000);
95 | }
96 | });
97 |
98 | //
99 | document.getElementById('me').onCloseRequested.addListener(() => {
100 | location.reload();
101 | });
102 | });
103 |
104 |
--------------------------------------------------------------------------------
/client/v3/data/window/meeting/meeting.js:
--------------------------------------------------------------------------------
1 | /* global Peer, Socket, safe */
2 | 'use strict';
3 |
4 | const configuration = {
5 | server: {
6 | iceServers: [{
7 | 'urls': [
8 | 'stun:stun.services.mozilla.com',
9 | 'stun:stun.l.google.com:19302',
10 | 'stun:stun.mit.de:3478',
11 | 'stun:stun.gmx.net:3478'
12 | ]
13 | }]
14 | },
15 | media: {
16 | audio: true,
17 | video: true
18 | },
19 | timeout: {
20 | peer: 10000,
21 | resize: 1000
22 | }
23 | };
24 |
25 | const COMMON = Symbol('common');
26 | const INCLUDE = Symbol('include');
27 |
28 | class Meeting {
29 | constructor(orign, key) {
30 | const socket = this.socket = new class extends Socket {
31 | encrypt(msg) {
32 | return safe.encrypt(msg);
33 | }
34 | decrypt(msg) {
35 | return safe.decrypt(msg);
36 | }
37 | }(orign, key);
38 | socket.onMessage.addListener(msg => {
39 | if (msg.method === 'whoami') {
40 | this.client(msg.sender).then(peer => {
41 | peer.extra = msg.extra || {};
42 | this[INCLUDE](msg.sender, peer);
43 | socket.send({
44 | method: 'whoami-reply',
45 | extra: this.exta
46 | }, msg.sender);
47 | });
48 | }
49 | else if (msg.method === 'whoami-reply') {
50 | this.server(msg.sender).then(peer => {
51 | peer.extra = msg.extra || {};
52 | this[INCLUDE](msg.sender, peer);
53 | peer.offer();
54 | });
55 | }
56 | });
57 |
58 | this.videos = {};
59 | this.onVideoRequest = new Event();
60 |
61 | this.peers = {};
62 | this.onMessage = new Event();
63 |
64 | this.onConnectionStateChanged = new Event();
65 | socket.onConnectionStateChanged.addListener((type, state) => {
66 | this.onConnectionStateChanged.emit(type, state);
67 | });
68 |
69 | // count
70 | this.onCountChanged = new Event();
71 | }
72 | get count() {
73 | return this._count || 1;
74 | }
75 | set count(v) {
76 | this._count = v;
77 | this.onCountChanged.emit(v);
78 | }
79 | [COMMON](stream, recipient) {
80 | const p = new Peer(this.socket, configuration.server, recipient);
81 |
82 | let video;
83 | // add track
84 | p.onTrack.addListener(stream => {
85 | if (!video) {
86 | const tid = setTimeout(() => {
87 | console.warn('no signal is received from the peer', 'closing peer connection');
88 | this.onMessage.emit(recipient, {
89 | message: 'No signal is received'
90 | });
91 | p.close();
92 | }, configuration.timeout.peer);
93 | video = document.createElement('video');
94 | video.onloadedmetadata = () => {
95 | video.play();
96 | clearTimeout(tid);
97 | };
98 | this.onVideoRequest.emit(video, p);
99 | this.videos[recipient] = video;
100 | this.count += 1;
101 |
102 | // monitor video element size changes
103 | const send = e => {
104 | const width = Math.min(600, e.contentRect.width);
105 | const height = width * (e.contentRect.height / e.contentRect.width);
106 | p.send({
107 | method: 'video-constrain',
108 | value: {
109 | width: {
110 | max: width
111 | },
112 | height: {
113 | max: height
114 | },
115 | frameRate: {
116 | max: 30
117 | }
118 | }
119 | });
120 | };
121 | const resizeObserver = new ResizeObserver(([e]) => {
122 | clearTimeout(send.id);
123 | send.id = setTimeout(send, configuration.timeout.resize, e);
124 | });
125 | resizeObserver.observe(video);
126 | }
127 |
128 | // don't set srcObject again if it is already set.
129 | if (video.srcObject) {
130 | return;
131 | }
132 | video.srcObject = stream;
133 | });
134 | stream.getTracks().forEach(track => p.pc.addTrack(track, stream));
135 |
136 | p.onMessage.addListener(request => {
137 | this.onMessage.emit(recipient, request);
138 |
139 | if (request.method === 'video-constrain') {
140 | const [vst] = stream.getVideoTracks();
141 | if (vst) {
142 | vst.applyConstraints(request.value);
143 | }
144 | }
145 | else if (request.method === 'socket-restart') {
146 | this.socket.restart();
147 | }
148 | });
149 |
150 | return p;
151 | }
152 |
153 | async server(recipient) {
154 | const stream = await navigator.mediaDevices.getUserMedia(configuration.media);
155 | const p = this[COMMON](stream, recipient);
156 | p.channel();
157 |
158 | return p;
159 | }
160 | async client(recipient) {
161 | const stream = await navigator.mediaDevices.getUserMedia(configuration.media);
162 | return this[COMMON](stream, recipient);
163 | }
164 | password(v) {
165 | return safe.password(v);
166 | }
167 |
168 | /* include new peer */
169 | [INCLUDE](guid, p) {
170 | this.peers[guid] = p;
171 | p.onConnectionStateChanged.addListener((type, state) => {
172 | if (
173 | (type === 'channel' && state === 'closed') ||
174 | (type === 'peer' && (state === 'disconnected' || state === 'failed'))
175 | ) {
176 | const v = this.videos[guid];
177 | if (v) {
178 | v.remove();
179 | delete this.videos[guid];
180 | this.count -= 1;
181 | }
182 | delete this.peers[guid];
183 | }
184 | this.onConnectionStateChanged.emit(type, state);
185 | });
186 | }
187 |
188 | join(cid, extra = {}) {
189 | this.exta = extra;
190 | return this.socket.create(cid).then(() => this.socket.send({
191 | method: 'whoami',
192 | extra
193 | }));
194 | }
195 |
196 | send(o) {
197 | for (const peer of Object.values(this.peers)) {
198 | peer.send(o);
199 | }
200 | }
201 | }
202 |
--------------------------------------------------------------------------------
/client/v3/data/window/meeting/peer.js:
--------------------------------------------------------------------------------
1 | 'use strict';
2 |
3 | const KEY = 'SFpKNlNlb1RkMDNIc1ZNNHZ0d1pmNnF1VHY2NHl1TVlmVEVOQmdvcDR3TG9NWmh3QUNvWGxwTXBhRHJK';
4 | // const ORIGIN = 'wss://connect.websocket.in/v3/[CHANNEL_ID]?apiKey=[API_KEY]';
5 | // const ORIGIN = 'wss://meeting-server.herokuapp.com/[CHANNEL_ID]?apiKey=[API_KEY]';
6 | // const ORIGIN = 'ws://127.0.0.1:8000/[CHANNEL_ID]?apiKey=[API_KEY]';
7 | // const ORIGIN = 'wss://meetingserver.eu.openode.io/[CHANNEL_ID]?apiKey=[API_KEY]';
8 | const ORIGIN = 'wss://connect.meetingserver.repl.co/[CHANNEL_ID]?apiKey=[API_KEY]';
9 | const GUID = ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c =>
10 | (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
11 | );
12 |
13 | class Socket {
14 | constructor(origin, key) {
15 | this.key = key || atob(KEY);
16 | this.server = (origin || ORIGIN).replace('[API_KEY]', this.key);
17 | this.onConnectionStateChanged = new Event();
18 | this.onMessage = new Event();
19 | }
20 | create(cid = 1) {
21 | if (cid < 1 || cid > 10000) {
22 | throw Error('range limit');
23 | }
24 | this.cid = cid;
25 |
26 | return new Promise((resolve, reject) => {
27 | const socket = this.socket = new WebSocket(this.server.replace('[CHANNEL_ID]', cid));
28 | socket.onopen = () => {
29 | setTimeout(() => {
30 | if (socket.readyState === 1) {
31 | resolve();
32 | this.onConnectionStateChanged.emit('socket', 'ready');
33 | }
34 | else {
35 | reject(Error('connection closed'));
36 | this.onConnectionStateChanged.emit('socket', 'closed');
37 | }
38 | }, 500);
39 | };
40 | socket.onclose = () => {
41 | reject(Error('connection closed'));
42 | this.onConnectionStateChanged.emit('socket', 'closed');
43 | };
44 | socket.onmessage = e => {
45 | this.decrypt(e.data).then(msg => {
46 | msg = JSON.parse(msg);
47 | if ('recipient' in msg) {
48 | if (msg.recipient === GUID) {
49 | this.onMessage.emit(msg);
50 | }
51 | }
52 | else {
53 | this.onMessage.emit(msg);
54 | }
55 | }).catch(() => {
56 | try {
57 | const j = JSON.parse(e.data);
58 | if (j.error) {
59 | alert(j.error);
60 | }
61 | else {
62 | throw Error('message is not encrypted');
63 | }
64 | }
65 | catch (e) {
66 | console.warn('cannot decrypt the encrypted message');
67 | }
68 | });
69 | };
70 | });
71 | }
72 | encrypt(msg) {
73 | return Promise.resolve(msg);
74 | }
75 | decrypt(msg) {
76 | return Promise.resolve(msg);
77 | }
78 | send(msg, recipient) {
79 | const o = {
80 | ...msg,
81 | sender: GUID
82 | };
83 | if (recipient) {
84 | o.recipient = recipient;
85 | }
86 | this.encrypt(JSON.stringify(o)).then(e => this.socket.send(e));
87 | }
88 | close() {
89 | try {
90 | this.socket.close();
91 | }
92 | catch (e) {}
93 | }
94 | restart() {
95 | this.close();
96 | this.create(this.cid);
97 | }
98 | }
99 |
100 | class Peer {
101 | constructor(socket, configuration, recipient) {
102 | const pc = this.pc = new RTCPeerConnection(configuration);
103 |
104 | this.recipient = recipient;
105 |
106 | this.onConnectionStateChanged = new Event();
107 | pc.onconnectionstatechange = () => this.onConnectionStateChanged.emit('peer', pc.connectionState);
108 |
109 | let cid; // send multiple candidates in one request
110 | const candidates = [];
111 | pc.onicecandidate = ({candidate}) => {
112 | if (candidate) {
113 | this.onConnectionStateChanged.emit('candidate', 'generated');
114 | clearTimeout(cid);
115 | cid = setTimeout(() => {
116 | socket.send({candidates}, recipient);
117 | }, 500);
118 | candidates.push(candidate);
119 | }
120 | };
121 | this.socket = socket;
122 | socket.onMessage.addListener(msg => this.parse(msg));
123 |
124 | // track
125 | this.onTrack = new Event();
126 | pc.ontrack = e => this.onTrack.emit(e.streams[0]);
127 |
128 | // channel
129 | this.onMessage = new Event();
130 | this.channels = {};
131 | pc.ondatachannel = e => {
132 | const ch = e.channel;
133 | this.channel(ch.label, ch);
134 | };
135 | }
136 | // process messages from the other end
137 | async parse(msg) {
138 | // all new client peers receive messages from any recipient. Only accept from recipient
139 | if (msg.sender !== this.recipient) {
140 | // console.log('ignored', msg, msg.sender, this.recipient);
141 | return;
142 | }
143 | const {desc, candidates} = msg;
144 | const {socket, pc} = this;
145 | if (candidates) {
146 | for (const candidate of candidates) {
147 | pc.addIceCandidate(candidate);
148 | }
149 | }
150 | else if (desc && desc.type === 'answer') { // server-side
151 | this.onConnectionStateChanged.emit('desc', 'received');
152 | pc.setRemoteDescription(desc);
153 | }
154 | else if (desc && desc.type === 'offer') { // client-side
155 | this.onConnectionStateChanged.emit('desc', 'received');
156 | await pc.setRemoteDescription(desc);
157 | const answer = await pc.createAnswer();
158 |
159 | await pc.setLocalDescription(answer);
160 | socket.send({desc: answer}, this.recipient);
161 | }
162 | }
163 | send(msg, name = 'json') {
164 | try {
165 | this.channels[name].send(JSON.stringify(msg));
166 | }
167 | catch (e) {}
168 | }
169 | // create offer (server-side)
170 | async offer() {
171 | const {socket, pc} = this;
172 | const offer = await pc.createOffer();
173 | await pc.setLocalDescription(offer);
174 | socket.send({desc: pc.localDescription}, this.recipient);
175 | }
176 | // channel
177 | channel(name = 'json', ch) {
178 | ch = ch || this.pc.createDataChannel(name);
179 | ch.onmessage = e => this.onMessage.emit(JSON.parse(e.data));
180 | ch.onopen = () => this.onConnectionStateChanged.emit('channel', 'ready');
181 | ch.onclose = () => this.onConnectionStateChanged.emit('channel', 'closed');
182 | this.channels[ch.label] = ch;
183 | }
184 | // close
185 | close() {
186 | const {pc} = this;
187 | pc.close();
188 | this.onConnectionStateChanged.emit('channel', 'closed');
189 | }
190 | }
191 |
--------------------------------------------------------------------------------
/client/v3/data/window/meeting/safe.js:
--------------------------------------------------------------------------------
1 | 'use strict';
2 |
3 | const safe = {};
4 | window.safe = safe;
5 |
6 | {
7 | const iv = crypto.getRandomValues(new Uint8Array(16));
8 |
9 | const toBuffer = str => {
10 | const bytes = new Uint8Array(str.length);
11 | [...str].forEach((c, i) => bytes[i] = c.charCodeAt(0));
12 | return bytes;
13 | };
14 | const toString = buffer => [...buffer].map(b => String.fromCharCode(b)).join('');
15 |
16 | let key = '';
17 | safe.password = async password => {
18 | key = await crypto.subtle.digest({
19 | name: 'SHA-256'
20 | }, toBuffer(password)).then(result => crypto.subtle.importKey('raw', result, {
21 | name: 'AES-CBC'
22 | }, false, ['encrypt', 'decrypt']));
23 | };
24 | safe.encrypt = async data => {
25 | const result = await crypto.subtle.encrypt({
26 | name: 'AES-CBC',
27 | iv
28 | }, key, toBuffer(data));
29 | return new Promise(resolve => {
30 | const reader = new FileReader();
31 | reader.onload = () => resolve(reader.result);
32 | reader.readAsDataURL(new Blob([iv, result], {type: 'application/octet-binary'}));
33 | });
34 | };
35 | safe.decrypt = async data => {
36 | const result = await crypto.subtle.decrypt({
37 | name: 'AES-CBC',
38 | iv
39 | }, key, toBuffer(atob(data.split(',')[1])));
40 | return toString((new Uint8Array(result)).subarray(16));
41 | };
42 | }
43 |
--------------------------------------------------------------------------------
/client/v3/manifest.json:
--------------------------------------------------------------------------------
1 | {
2 | "manifest_version": 3,
3 | "version": "0.2.0",
4 | "name": "P2P Video Meeting",
5 | "description": "a secure peer-to-peer video and audio conference using WebRTC that works with or without INTERNET access",
6 | "permissions": [
7 | "storage",
8 | "contextMenus"
9 | ],
10 | "icons": {
11 | "16": "data/icons/16.png",
12 | "32": "data/icons/32.png",
13 | "48": "data/icons/48.png",
14 | "64": "data/icons/64.png",
15 | "128": "data/icons/128.png",
16 | "256": "data/icons/256.png",
17 | "512": "data/icons/512.png"
18 | },
19 | "background": {
20 | "service_worker": "worker.js"
21 | },
22 | "action": {},
23 | "options_ui": {
24 | "page": "data/options/index.html"
25 | },
26 | "homepage_url": "https://add0n.com/meeting.html"
27 | }
28 |
--------------------------------------------------------------------------------
/client/v3/worker.js:
--------------------------------------------------------------------------------
1 | 'use strict';
2 |
3 | {
4 | const once = () => chrome.storage.local.get({
5 | media: {
6 | audio: true,
7 | video: true
8 | }
9 | }, prefs => {
10 | chrome.contextMenus.create({
11 | id: 'media',
12 | title: 'Media',
13 | contexts: ['action']
14 | });
15 | chrome.contextMenus.create({
16 | id: 'media.video.audio',
17 | title: 'Use Camera and Microphone',
18 | parentId: 'media',
19 | contexts: ['action'],
20 | type: 'radio',
21 | checked: prefs.media.video && prefs.media.audio
22 | });
23 | chrome.contextMenus.create({
24 | id: 'media.video',
25 | title: 'Use Camera Only',
26 | parentId: 'media',
27 | contexts: ['action'],
28 | type: 'radio',
29 | checked: prefs.media.video && prefs.media.audio === false
30 | });
31 | chrome.contextMenus.create({
32 | id: 'media.audio',
33 | title: 'Use Microphone Only',
34 | parentId: 'media',
35 | contexts: ['action'],
36 | type: 'radio',
37 | checked: prefs.media.audio && prefs.media.video === false
38 | });
39 | });
40 |
41 | chrome.runtime.onStartup.addListener(once);
42 | chrome.runtime.onInstalled.addListener(once);
43 | }
44 | chrome.contextMenus.onClicked.addListener(info => chrome.storage.local.set({
45 | media: {
46 | video: info.menuItemId.includes('video'),
47 | audio: info.menuItemId.includes('audio')
48 | }
49 | }));
50 |
51 | chrome.action.onClicked.addListener(() => {
52 | chrome.tabs.create({
53 | url: 'data/window/index.html'
54 | });
55 | });
56 |
57 | /* FAQs & Feedback */
58 | {
59 | const {management, runtime: {onInstalled, setUninstallURL, getManifest}, storage, tabs} = chrome;
60 | if (navigator.webdriver !== true) {
61 | const page = getManifest().homepage_url;
62 | const {name, version} = getManifest();
63 | onInstalled.addListener(({reason, previousVersion}) => {
64 | management.getSelf(({installType}) => installType === 'normal' && storage.local.get({
65 | 'faqs': true,
66 | 'last-update': 0
67 | }, prefs => {
68 | if (reason === 'install' || (prefs.faqs && reason === 'update')) {
69 | const doUpdate = (Date.now() - prefs['last-update']) / 1000 / 60 / 60 / 24 > 45;
70 | if (doUpdate && previousVersion !== version) {
71 | tabs.create({
72 | url: page + '?version=' + version + (previousVersion ? '&p=' + previousVersion : '') + '&type=' + reason,
73 | active: reason === 'install'
74 | });
75 | storage.local.set({'last-update': Date.now()});
76 | }
77 | }
78 | }));
79 | });
80 | setUninstallURL(page + '?rd=feedback&name=' + encodeURIComponent(name) + '&version=' + version);
81 | }
82 | }
83 |
--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
1 | {
2 | "name": "meeting.js",
3 | "version": "0.1.0",
4 | "description": "",
5 | "dependencies": {
6 | "ws": "^7.3.1"
7 | },
8 | "devDependencies": {},
9 | "scripts": {
10 | "start": "node server/server.js",
11 | "test": "echo \"Error: no test specified\" && exit 1"
12 | },
13 | "license": "MPL2.0"
14 | }
15 |
--------------------------------------------------------------------------------
/server/.gitignore:
--------------------------------------------------------------------------------
1 | .openode
2 | node_modules
3 | Dockerfile
4 | package.json
5 |
--------------------------------------------------------------------------------
/server/server.js:
--------------------------------------------------------------------------------
1 | const KEY = Buffer.from('SFpKNlNlb1RkMDNIc1ZNNHZ0d1pmNnF1VHY2NHl1TVlmVEVOQmdvcDR3TG9NWmh3QUNvWGxwTXBhRHJK', 'base64')
2 | .toString();
3 |
4 | const WebSocket = require('ws');
5 | const http = require('http');
6 |
7 | const wss = new WebSocket.Server({
8 | port: 80 // process.env.PORT || 8000
9 | });
10 |
11 | http.createServer((req, res) => {
12 | res.write('Server is up');
13 | res.end();
14 | }).listen(8080);
15 |
16 | wss.on('connection', (ws, req) => {
17 | const {url} = req;
18 | const id = Number(url.split('/').pop().split('?').shift());
19 | const apiKey = url.split('apiKey=').pop().split('&').shift();
20 |
21 | if (!apiKey || apiKey !== KEY) {
22 | ws.send(JSON.stringify({
23 | error: apiKey ? 'wrong API key' : 'apiKey is mandatory parameter'
24 | }));
25 | return ws.close();
26 | }
27 | if (isNaN(id)) {
28 | ws.send(JSON.stringify({
29 | error: 'unknown id'
30 | }));
31 | return ws.close();
32 | }
33 | if (id < 1 || id > 1000) {
34 | ws.send(JSON.stringify({
35 | error: 'out of range'
36 | }));
37 | return ws.close();
38 | }
39 |
40 | ws.apiKey = apiKey;
41 | ws.id = id;
42 |
43 | ws.on('message', msg => {
44 | for (const client of wss.clients) {
45 | if (client !== ws && client.id === id && client.apiKey === apiKey && client.readyState === WebSocket.OPEN) {
46 | client.send(msg);
47 | }
48 | }
49 | });
50 | });
51 |
--------------------------------------------------------------------------------