X-Git-Url: http://code.vuplus.com/gitweb/?p=vuplus_dvbapp;a=blobdiff_plain;f=lib%2Fpython%2FComponents%2FGUIComponent.py;h=deb8b34a6356c11c6c30a8851af1627fce44c425;hp=c900796d566fd3a559e82f823cdab9b8fd417041;hb=d186d7e6752018badb476ab0d4b87aa9dcea8aac;hpb=071b99f578486ea21e3323e6f7190693f11fc35a

diff --git a/lib/python/Components/GUIComponent.py b/lib/python/Components/GUIComponent.py
index c900796..deb8b34 100644
--- a/lib/python/Components/GUIComponent.py
+++ b/lib/python/Components/GUIComponent.py
@@ -7,6 +7,8 @@ class GUIComponent(object):
 	
 	def __init__(self):
 		self.instance = None
+		self.onVisibilityChange = [ ]
+		self.__visible = 0
 		self.visible = 1
 		self.skinAttributes = None
 	
@@ -50,14 +52,22 @@ class GUIComponent(object):
 		self.instance.setZPosition(z)
 
 	def show(self):
+		old = self.__visible
 		self.__visible = 1
 		if self.instance is not None:
 			self.instance.show()
+		if old != self.__visible:
+			for fnc in self.onVisibilityChange:
+				fnc(True)
 
 	def hide(self):
+		old = self.__visible
 		self.__visible = 0
 		if self.instance is not None:
 			self.instance.hide()
+		if old != self.__visible:
+			for fnc in self.onVisibilityChange:
+				fnc(False)
 
 	def getVisible(self):
 		return self.__visible