function Context()

in website/content/javascripts/book.js [205:227]


  function Context(element) {
    this.element = element
    this.Adapter = Waypoint.Adapter
    this.adapter = new this.Adapter(element)
    this.key = 'waypoint-context-' + keyCounter
    this.didScroll = false
    this.didResize = false
    this.oldScroll = {
      x: this.adapter.scrollLeft(),
      y: this.adapter.scrollTop()
    }
    this.waypoints = {
      vertical: {},
      horizontal: {}
    }

    element.waypointContextKey = this.key
    contexts[element.waypointContextKey] = this
    keyCounter += 1

    this.createThrottledScrollHandler()
    this.createThrottledResizeHandler()
  }