// ** Transition animation styles. **//

// General transition substitution template.
//
// @example
//   qi-transition(linear, slower-transition)
//
// @param duration the transition duration
// @param timing the transition timing function
//   (cf. http://www.w3schools.com/cssref/css3_pr_transition-timing-function.asp)
qi-transition(duration, timing=ease)
  -webkit-transition all timing duration
  -moz-transition all timing duration
  -o-transition all timing duration
  transition all timing duration

// Disable transition.
.qi-no-transition
  -webkit-transition none
  -moz-transition none
  // Opera doesn't support none
  -o-transition all 0s
  transition none

// Transition durations.
slow-transition = 1s
slower-transition = 0.75s
med-transition = 0.5s
fast-transition = 0.2s

// A transition which fades into and out of view.
//
// @param duration the transition duration
fade-transition(duration)
  -webkit-transition -webkit-transform duration ease-in, opacity duration ease-in
  -moz-transition -moz-transform duration ease-in, opacity duration ease-in
  -o-transition -o-transform duration ease-in, opacity duration ease-in
  transition transform duration ease-in, opacity duration ease-in

// The visible state.
transition-show()
  -webkit-transform scaleX(1)
  -o-transform scaleX(1)
  transform scaleX(1)
  opacity 1

// The hidden state.
transition-hide()
  -webkit-transform scaleX(0.0001)
  -o-transform scaleX(0.0001)
  transform scaleX(0.0001)
  opacity 0

// Slide into and out of view.
.qi-slide
  &.ng-enter
    // Start hidden, End shown.
    fade-transition(fast-transition)
    transition-hide()
    position absolute
    &.ng-enter-active
      transition-show()
  &.ng-leave
    fade-transition(fast-transition)
    position relative
    &.ng-leave-active
      transition-hide()