androidz

1 files changed, 44 insertions, 0 deletions

diff --git a/StoneIsland/platforms/android/assets/www/js/lib/view/Scrollable.js b/StoneIsland/platforms/android/assets/www/js/lib/view/Scrollable.js
new file mode 100755
index 00000000..7f90929a
--- /dev/null
+++ b/StoneIsland/platforms/android/assets/www/js/lib/view/Scrollable.js
@@ -0,0 +1,44 @@
+var ScrollableView = View.extend({
+  
+  events: {
+    "load img": "deferRefresh",
+  },
+
+  deferScrollToTop: function(){
+    this.scrollPosition = 0
+    setTimeout(this.scrollToTop.bind(this), 0)
+  },
+  
+  scrollPosition: 0,
+  
+  resetScroll: function(){
+    this.scrollPosition = 0
+  },
+  
+  saveScroll: function(){
+    this.scrollPosition = this.scroller.y
+  },
+  
+  restoreScroll: function(){
+    setTimeout(function(){
+      this.scroller.scrollTo(0, this.scrollPosition)
+    }.bind(this), 0)
+  },
+  
+  refreshScroller: function(){
+    this.scroller.refresh()
+    clearTimeout( this.scrollerRefreshTimeout )
+  },
+
+  scrollerRefreshTimeout: null,
+  deferRefresh: function(){
+    clearTimeout( this.scrollerRefreshTimeout )
+    this.scrollerRefreshTimeout = setTimeout(this.refreshScroller.bind(this))
+  },
+    
+  scrollToTop: function(){
+    this.scroller.refresh()
+    this.scroller.scrollTo(0, 0)
+  },
+
+})
\ No newline at end of file