1 |
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2 |
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3 |
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4 |
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5 | export function getCss(docEle) {
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6 | var css = {};
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7 |
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8 | var i;
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9 | var keys = ['webkitTransform', '-webkit-transform', 'webkit-transform', 'transform'];
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10 | for (i = 0; i < keys.length; i++) {
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11 | if (((docEle.style))[keys[i]] !== undefined) {
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12 | css.transform = keys[i];
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13 | break;
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14 | }
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15 | }
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16 |
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17 | keys = ['webkitTransition', 'transition'];
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18 | for (i = 0; i < keys.length; i++) {
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19 | if (((docEle.style))[keys[i]] !== undefined) {
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20 | css.transition = keys[i];
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21 | break;
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22 | }
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23 | }
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24 |
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25 | var isWebkit = css.transition.indexOf('webkit') > -1;
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26 |
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27 | css.transitionDuration = (isWebkit ? '-webkit-' : '') + 'transition-duration';
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28 |
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29 | css.transitionTimingFn = (isWebkit ? '-webkit-' : '') + 'transition-timing-function';
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30 |
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31 | css.transitionDelay = (isWebkit ? '-webkit-' : '') + 'transition-delay';
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32 |
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33 | css.transitionEnd = (isWebkit ? 'webkitTransitionEnd ' : '') + 'transitionend';
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34 |
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35 | css.transformOrigin = (isWebkit ? '-webkit-' : '') + 'transform-origin';
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36 |
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37 | css.animationDelay = (isWebkit ? 'webkitAnimationDelay' : 'animationDelay');
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38 | return css;
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39 | }
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40 |
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41 |
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42 |
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43 |
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44 | export function pointerCoord(ev) {
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45 |
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46 |
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47 | if (ev) {
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48 | var changedTouches = ev.changedTouches;
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49 | if (changedTouches && changedTouches.length > 0) {
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50 | var touch = changedTouches[0];
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51 | return { x: touch.clientX, y: touch.clientY };
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52 | }
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53 | var pageX = ev.pageX;
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54 | if (pageX !== undefined) {
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55 | return { x: pageX, y: ev.pageY };
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56 | }
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57 | }
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58 | return { x: 0, y: 0 };
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59 | }
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60 |
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61 |
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62 |
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63 |
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64 |
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65 |
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66 | export function hasPointerMoved(threshold, startCoord, endCoord) {
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67 | if (startCoord && endCoord) {
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68 | var deltaX = (startCoord.x - endCoord.x);
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69 | var deltaY = (startCoord.y - endCoord.y);
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70 | var distance = deltaX * deltaX + deltaY * deltaY;
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71 | return distance > (threshold * threshold);
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72 | }
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73 | return false;
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74 | }
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75 |
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76 |
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77 |
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78 |
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79 | export function isTextInput(ele) {
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80 | return !!ele &&
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81 | (ele.tagName === 'TEXTAREA' ||
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82 | ele.contentEditable === 'true' ||
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83 | (ele.tagName === 'INPUT' && !(NON_TEXT_INPUT_REGEX.test(ele.type))));
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84 | }
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85 | export var NON_TEXT_INPUT_REGEX = /^(radio|checkbox|range|file|submit|reset|color|image|button)$/i;
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86 | var SKIP_INPUT_ATTR = ['value', 'checked', 'disabled', 'readonly', 'placeholder', 'type', 'class', 'style', 'id', 'autofocus', 'autocomplete', 'autocorrect'];
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87 |
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88 |
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89 |
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90 |
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91 |
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92 | export function copyInputAttributes(srcElement, destElement) {
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93 |
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94 |
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95 |
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96 | var attrs = srcElement.attributes;
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97 | for (var i = 0; i < attrs.length; i++) {
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98 | var attr = attrs[i];
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99 | if (SKIP_INPUT_ATTR.indexOf(attr.name) === -1) {
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100 | destElement.setAttribute(attr.name, attr.value);
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101 | }
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102 | }
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103 | }
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104 |
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