content: ' ********** Copyright 2016 Roku Corp.  All Rights Reserved. **********
  'setting top interfaces
  'setting observers
  
  Sub Init()
  	m.background=m.top.findNode("background")
  	m.oldBackground=m.top.findNode("oldBackground")
  	m.oldbackgroundInterpolator=m.top.findNode("oldbackgroundInterpolator")
  	m.shade=m.top.findNode("shade")
  	m.fadeoutAnimation=m.top.findNode("fadeoutAnimation")
  	m.fadeinAnimation=m.top.findNode("fadeinAnimation")
  	m.backgroundColor=m.top.findNode("backgroundColor")
  	
  	m.background.observeField("bitmapWidth","OnBackgroundLoaded")
  	m.top.observeField("width","OnSizeChange")
  	m.top.observeField("height","OnSizeChange")
  End Sub
  
  'If background changes, start animation and populate fields
  Sub OnBackgroundUriChange()
  	oldUrl=m.background.uri
  	m.background.uri=m.top.uri
  	If oldUrl<>""
  		m.oldBackground.uri=oldUrl
  		m.oldbackgroundInterpolator=[m.background.opacity,0]
  		m.fadeoutAnimation.control="start"
  	End If
  End Sub
  
  'If Size changed, change parameters to childrens
  Sub OnSizeChange()
  	size=m.top.size
  	
  	m.background.width=m.top.width
  	m.oldBackground.width=m.top.width
  	m.shade.width=m.top.width
  	m.backgroundColor.width=m.top.width
  	
  	m.oldBackground.height=m.top.height
  	m.background.height=m.top.height
  	m.shade.height=m.top.height
  	m.backgroundColor.height=m.top.height
  End Sub
  
  ' When Background image loaded, start animation
  Sub OnBackgroundLoaded()
  	m.fadeinAnimation.control="start"
  End Sub
  