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authorsyuilo <syuilotan@yahoo.co.jp>2017-02-18 17:31:08 +0900
committersyuilo <syuilotan@yahoo.co.jp>2017-02-18 17:31:08 +0900
commit8b89a9eb227f207a49ade4356800589b822f957e (patch)
tree672adbd0b6e381f4d685528a77eef7d15ee644f9 /src/web/app/desktop/scripts
parent:v: (diff)
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Remove unused mixin
Diffstat (limited to 'src/web/app/desktop/scripts')
-rw-r--r--src/web/app/desktop/scripts/follow-scroll.ls56
1 files changed, 0 insertions, 56 deletions
diff --git a/src/web/app/desktop/scripts/follow-scroll.ls b/src/web/app/desktop/scripts/follow-scroll.ls
deleted file mode 100644
index 5072e9c583..0000000000
--- a/src/web/app/desktop/scripts/follow-scroll.ls
+++ /dev/null
@@ -1,56 +0,0 @@
-class Follower
- (el) ->
- @follower = el
- @last-scroll-top = window.scroll-y
- @initial-follower-top = @follower.get-bounding-client-rect!.top
- @page-top = 48
-
- follow: ->
- window-height = window.inner-height
- follower-height = @follower.offset-height
-
- scroll-top = window.scroll-y
- scroll-bottom = scroll-top + window-height
-
- follower-top = @follower.get-bounding-client-rect!.top + scroll-top
- follower-bottom = follower-top + follower-height
-
- height-delta = Math.abs window-height - follower-height
- scroll-delta = @last-scroll-top - scroll-top
-
- is-scrolling-down = (scroll-top > @last-scroll-top)
- is-window-larger = (window-height > follower-height)
-
- console.log @initial-follower-top
-
- if (is-window-larger && scroll-top > @initial-follower-top) || (!is-window-larger && scroll-top > @initial-follower-top + height-delta)
- @follower.class-list.add \fixed
- else if !is-scrolling-down && scroll-top + @page-top <= @initial-follower-top
- @follower.class-list.remove \fixed
- @follower.style.top = 0
- return
-
- drag-bottom-down = (follower-bottom <= scroll-bottom && is-scrolling-down)
- drag-top-up = (follower-top >= scroll-top + @page-top && !is-scrolling-down)
-
- if drag-bottom-down
- console.log \down
- @follower.style.top = if is-window-larger then 0 else -height-delta + \px
- else if drag-top-up
- console.log \up
- @follower.style.top = @page-top + \px
- else if @follower.class-list.contains \fixed
- console.log \-
- current-top = parse-int @follower.style.top, 10
-
- min-top = -height-delta
- scrolled-top = current-top + scroll-delta
-
- is-page-at-bottom = (scroll-top + window-height >= document.body.offset-height)
- new-top = if is-page-at-bottom then min-top else scrolled-top
-
- @follower.style.top = new-top + \px
-
- @last-scroll-top = scroll-top
-
-module.exports = Follower