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{ animationEvent, TemplatingEngine } from 'aurelia-templating';\nimport { DOM } from 'aurelia-pal';\n\nexport var CssAnimator = function () {\n  function CssAnimator() {\n    \n\n    this.useAnimationDoneClasses = false;\n    this.animationEnteredClass = 'au-entered';\n    this.animationLeftClass = 'au-left';\n    this.isAnimating = false;\n\n    this.verifyKeyframesExist = true;\n  }\n\n  CssAnimator.prototype._addMultipleEventListener = function _addMultipleEventListener(el, s, fn) {\n    var evts = s.split(' ');\n    for (var i = 0, ii = evts.length; i < ii; ++i) {\n      el.addEventListener(evts[i], fn, false);\n    }\n  };\n\n  CssAnimator.prototype._removeMultipleEventListener = function _removeMultipleEventListener(el, s, fn) {\n    var evts = s.split(' ');\n    for (var i = 0, ii = evts.length; i < ii; ++i) {\n      el.removeEventListener(evts[i], fn, false);\n    }\n  };\n\n  CssAnimator.prototype._getElementAnimationDelay = function _getElementAnimationDelay(element) {\n    var styl = DOM.getComputedStyle(element);\n    var prop = void 0;\n    var delay = void 0;\n\n    if (styl.getPropertyValue('animation-delay')) {\n      prop = 'animation-delay';\n    } else if (styl.getPropertyValue('-webkit-animation-delay')) {\n      prop = '-webkit-animation-delay';\n    } else if (styl.getPropertyValue('-moz-animation-delay')) {\n      prop = '-moz-animation-delay';\n    } else {\n      return 0;\n    }\n\n    delay = styl.getPropertyValue(prop);\n    delay = Number(delay.replace(/[^\\d\\.]/g, ''));\n\n    return delay * 1000;\n  };\n\n  CssAnimator.prototype._getElementAnimationNames = function _getElementAnimationNames(element) {\n    var styl = DOM.getComputedStyle(element);\n    var prefix = void 0;\n\n    if (styl.getPropertyValue('animation-name')) {\n      prefix = '';\n    } else if (styl.getPropertyValue('-webkit-animation-name')) {\n      prefix = '-webkit-';\n    } else if (styl.getPropertyValue('-moz-animation-name')) {\n      prefix = '-moz-';\n    } else {\n      return [];\n    }\n\n    var animationNames = styl.getPropertyValue(prefix + 'animation-name');\n    return animationNames ? animationNames.split(' ') : [];\n  };\n\n  CssAnimator.prototype._performSingleAnimate = function _performSingleAnimate(element, className) {\n    var _this = this;\n\n    this._triggerDOMEvent(animationEvent.animateBegin, element);\n\n    return this.addClass(element, className, true).then(function (result) {\n      _this._triggerDOMEvent(animationEvent.animateActive, element);\n\n      if (result !== false) {\n        return _this.removeClass(element, className, true).then(function () {\n          _this._triggerDOMEvent(animationEvent.animateDone, element);\n        });\n      }\n\n      return false;\n    }).catch(function () {\n      _this._triggerDOMEvent(animationEvent.animateTimeout, element);\n    });\n  };\n\n  CssAnimator.prototype._triggerDOMEvent = function _triggerDOMEvent(eventType, element) {\n    var evt = DOM.createCustomEvent(eventType, { bubbles: true, cancelable: true, detail: element });\n    DOM.dispatchEvent(evt);\n  };\n\n  CssAnimator.prototype._animationChangeWithValidKeyframe = function _animationChangeWithValidKeyframe(animationNames, prevAnimationNames) {\n    var newAnimationNames = animationNames.filter(function (name) {\n      return prevAnimationNames.indexOf(name) === -1;\n    });\n\n    if (newAnimationNames.length === 0) {\n      return false;\n    }\n\n    if (!this.verifyKeyframesExist) {\n      return true;\n    }\n\n    var keyframesRuleType = window.CSSRule.KEYFRAMES_RULE || window.CSSRule.MOZ_KEYFRAMES_RULE || window.CSSRule.WEBKIT_KEYFRAMES_RULE;\n\n    var styleSheets = document.styleSheets;\n\n    try {\n      for (var i = 0; i < styleSheets.length; ++i) {\n        var cssRules = null;\n\n        try {\n          cssRules = styleSheets[i].cssRules;\n        } catch (e) {}\n\n        if (!cssRules) {\n          continue;\n        }\n\n        for (var j = 0; j < cssRules.length; ++j) {\n          var cssRule = cssRules[j];\n\n          if (cssRule.type === keyframesRuleType) {\n            if (newAnimationNames.indexOf(cssRule.name) !== -1) {\n              return true;\n            }\n          }\n        }\n      }\n    } catch (e) {}\n\n    return false;\n  };\n\n  CssAnimator.prototype.animate = function animate(element, className) {\n    var _this2 = this;\n\n    if (Array.isArray(element)) {\n      return Promise.all(element.map(function (el) {\n        return _this2._performSingleAnimate(el, className);\n      }));\n    }\n\n    return this._performSingleAnimate(element, className);\n  };\n\n  CssAnimator.prototype.runSequence = function runSequence(animations) {\n    var _this3 = this;\n\n    this._triggerDOMEvent(animationEvent.sequenceBegin, null);\n\n    return animations.reduce(function (p, anim) {\n      return p.then(function () {\n        return _this3.animate(anim.element, anim.className);\n      });\n    }, Promise.resolve(true)).then(function () {\n      _this3._triggerDOMEvent(animationEvent.sequenceDone, null);\n    });\n  };\n\n  CssAnimator.prototype._stateAnim = function _stateAnim(element, direction, doneClass) {\n    var _this4 = this;\n\n    var auClass = 'au-' + direction;\n    var auClassActive = auClass + '-active';\n    return new Promise(function (resolve, reject) {\n      var classList = element.classList;\n\n      _this4._triggerDOMEvent(animationEvent[direction + 'Begin'], element);\n\n      if (_this4.useAnimationDoneClasses) {\n        classList.remove(_this4.animationEnteredClass);\n        classList.remove(_this4.animationLeftClass);\n      }\n\n      classList.add(auClass);\n      var prevAnimationNames = _this4._getElementAnimationNames(element);\n\n      var _animStart = void 0;\n      var animHasStarted = false;\n      _this4._addMultipleEventListener(element, 'webkitAnimationStart animationstart', _animStart = function animStart(evAnimStart) {\n        if (evAnimStart.target !== element) {\n          return;\n        }\n        animHasStarted = true;\n        _this4.isAnimating = true;\n\n        _this4._triggerDOMEvent(animationEvent[direction + 'Active'], element);\n\n        evAnimStart.stopPropagation();\n\n        evAnimStart.target.removeEventListener(evAnimStart.type, _animStart);\n      }, false);\n\n      var _animEnd = void 0;\n      _this4._addMultipleEventListener(element, 'webkitAnimationEnd animationend', _animEnd = function animEnd(evAnimEnd) {\n        if (!animHasStarted) {\n          return;\n        }\n        if (evAnimEnd.target !== element) {\n          return;\n        }\n\n        evAnimEnd.stopPropagation();\n\n        classList.remove(auClassActive);\n        classList.remove(auClass);\n\n        evAnimEnd.target.removeEventListener(evAnimEnd.type, _animEnd);\n\n        if (_this4.useAnimationDoneClasses && doneClass !== undefined && doneClass !== null) {\n          classList.add(doneClass);\n        }\n\n        _this4.isAnimating = false;\n        _this4._triggerDOMEvent(animationEvent[direction + 'Done'], element);\n\n        resolve(true);\n      }, false);\n\n      var parent = element.parentElement;\n      var attrib = 'data-animator-pending' + direction;\n\n      var cleanupAnimation = function cleanupAnimation() {\n        var animationNames = _this4._getElementAnimationNames(element);\n        if (!_this4._animationChangeWithValidKeyframe(animationNames, prevAnimationNames)) {\n          classList.remove(auClassActive);\n          classList.remove(auClass);\n\n          _this4._removeMultipleEventListener(element, 'webkitAnimationEnd animationend', _animEnd);\n          _this4._removeMultipleEventListener(element, 'webkitAnimationStart animationstart', _animStart);\n\n          _this4._triggerDOMEvent(animationEvent[direction + 'Timeout'], element);\n          resolve(false);\n        }\n        parent && parent.setAttribute(attrib, +(parent.getAttribute(attrib) || 1) - 1);\n      };\n\n      if (parent !== null && parent !== undefined && (parent.classList.contains('au-stagger') || parent.classList.contains('au-stagger-' + direction))) {\n        var offset = +(parent.getAttribute(attrib) || 0);\n        parent.setAttribute(attrib, offset + 1);\n        var delay = _this4._getElementAnimationDelay(parent) * offset;\n        _this4._triggerDOMEvent(animationEvent.staggerNext, element);\n\n        setTimeout(function () {\n          classList.add(auClassActive);\n          cleanupAnimation();\n        }, delay);\n      } else {\n        classList.add(auClassActive);\n        cleanupAnimation();\n      }\n    });\n  };\n\n  CssAnimator.prototype.enter = function enter(element) {\n    return this._stateAnim(element, 'enter', this.animationEnteredClass);\n  };\n\n  CssAnimator.prototype.leave = function leave(element) {\n    return this._stateAnim(element, 'leave', this.animationLeftClass);\n  };\n\n  CssAnimator.prototype.removeClass = function removeClass(element, className) {\n    var _this5 = this;\n\n    var suppressEvents = arguments.length <= 2 || arguments[2] === undefined ? false : arguments[2];\n\n    return new Promise(function (resolve, reject) {\n      var classList = element.classList;\n\n      if (!classList.contains(className) && !classList.contains(className + '-add')) {\n        resolve(false);\n        return;\n      }\n\n      if (suppressEvents !== true) {\n        _this5._triggerDOMEvent(animationEvent.removeClassBegin, element);\n      }\n\n      if (classList.contains(className + '-add')) {\n        classList.remove(className + '-add');\n        classList.add(className);\n      }\n\n      classList.remove(className);\n      var prevAnimationNames = _this5._getElementAnimationNames(element);\n\n      var _animStart2 = void 0;\n      var animHasStarted = false;\n      _this5._addMultipleEventListener(element, 'webkitAnimationStart animationstart', _animStart2 = function animStart(evAnimStart) {\n        if (evAnimStart.target !== element) {\n          return;\n        }\n        animHasStarted = true;\n        _this5.isAnimating = true;\n\n        if (suppressEvents !== true) {\n          _this5._triggerDOMEvent(animationEvent.removeClassActive, element);\n        }\n\n        evAnimStart.stopPropagation();\n\n        evAnimStart.target.removeEventListener(evAnimStart.type, _animStart2);\n      }, false);\n\n      var _animEnd2 = void 0;\n      _this5._addMultipleEventListener(element, 'webkitAnimationEnd animationend', _animEnd2 = function animEnd(evAnimEnd) {\n        if (!animHasStarted) {\n          return;\n        }\n        if (evAnimEnd.target !== element) {\n          return;\n        }\n\n        if (!element.classList.contains(className + '-remove')) {\n          resolve(true);\n        }\n\n        evAnimEnd.stopPropagation();\n\n        classList.remove(className);\n\n        classList.remove(className + '-remove');\n\n        evAnimEnd.target.removeEventListener(evAnimEnd.type, _animEnd2);\n\n        _this5.isAnimating = false;\n\n        if (suppressEvents !== true) {\n          _this5._triggerDOMEvent(animationEvent.removeClassDone, element);\n        }\n\n        resolve(true);\n      }, false);\n\n      classList.add(className + '-remove');\n\n      var animationNames = _this5._getElementAnimationNames(element);\n      if (!_this5._animationChangeWithValidKeyframe(animationNames, prevAnimationNames)) {\n        classList.remove(className + '-remove');\n        classList.remove(className);\n\n        _this5._removeMultipleEventListener(element, 'webkitAnimationEnd animationend', _animEnd2);\n        _this5._removeMultipleEventListener(element, 'webkitAnimationStart animationstart', _animStart2);\n\n        if (suppressEvents !== true) {\n          _this5._triggerDOMEvent(animationEvent.removeClassTimeout, element);\n        }\n\n        resolve(false);\n      }\n    });\n  };\n\n  CssAnimator.prototype.addClass = function addClass(element, className) {\n    var _this6 = this;\n\n    var suppressEvents = arguments.length <= 2 || arguments[2] === undefined ? false : arguments[2];\n\n    return new Promise(function (resolve, reject) {\n      var classList = element.classList;\n\n      if (suppressEvents !== true) {\n        _this6._triggerDOMEvent(animationEvent.addClassBegin, element);\n      }\n\n      if (classList.contains(className + '-remove')) {\n        classList.remove(className + '-remove');\n        classList.remove(className);\n      }\n\n      var _animStart3 = void 0;\n      var animHasStarted = false;\n      _this6._addMultipleEventListener(element, 'webkitAnimationStart animationstart', _animStart3 = function animStart(evAnimStart) {\n        if (evAnimStart.target !== element) {\n          return;\n        }\n        animHasStarted = true;\n        _this6.isAnimating = true;\n\n        if (suppressEvents !== true) {\n          _this6._triggerDOMEvent(animationEvent.addClassActive, element);\n        }\n\n        evAnimStart.stopPropagation();\n\n        evAnimStart.target.removeEventListener(evAnimStart.type, _animStart3);\n      }, false);\n\n      var _animEnd3 = void 0;\n      _this6._addMultipleEventListener(element, 'webkitAnimationEnd animationend', _animEnd3 = function animEnd(evAnimEnd) {\n        if (!animHasStarted) {\n          return;\n        }\n        if (evAnimEnd.target !== element) {\n          return;\n        }\n\n        if (!element.classList.contains(className + '-add')) {\n          resolve(true);\n        }\n\n        evAnimEnd.stopPropagation();\n\n        classList.add(className);\n\n        classList.remove(className + '-add');\n\n        evAnimEnd.target.removeEventListener(evAnimEnd.type, _animEnd3);\n\n        _this6.isAnimating = false;\n\n        if (suppressEvents !== true) {\n          _this6._triggerDOMEvent(animationEvent.addClassDone, element);\n        }\n\n        resolve(true);\n      }, false);\n\n      var prevAnimationNames = _this6._getElementAnimationNames(element);\n\n      classList.add(className + '-add');\n\n      var animationNames = _this6._getElementAnimationNames(element);\n      if (!_this6._animationChangeWithValidKeyframe(animationNames, prevAnimationNames)) {\n        classList.remove(className + '-add');\n        classList.add(className);\n\n        _this6._removeMultipleEventListener(element, 'webkitAnimationEnd animationend', _animEnd3);\n        _this6._removeMultipleEventListener(element, 'webkitAnimationStart animationstart', _animStart3);\n\n        if (suppressEvents !== true) {\n          _this6._triggerDOMEvent(animationEvent.addClassTimeout, element);\n        }\n\n        resolve(false);\n      }\n    });\n  };\n\n  return CssAnimator;\n}();\n\nexport function configure(config, callback) {\n  var animator = config.container.get(CssAnimator);\n  config.container.get(TemplatingEngine).configureAnimator(animator);\n  if (typeof callback === 'function') {\n    callback(animator);\n  }\n}"],"sourceRoot":""}