fix a bug that wrong status while remove button clicked on cart window.

Change-Id: Id7f0736acfa89c5191233902d5e9d4196782fb1a
Signed-off-by: Sharl <amoiz.shine@gmail.com>
fix a bug that confuse control on PanelTouchable when pop-up window
display & dismiss.

Change-Id: Ibb097686e35a34101dd5ca6d7e1979a1b972a190
Signed-off-by: Sharl <amoiz.shine@gmail.com>
a filter that will ban other buttons click event once one button was
pushed.

Change-Id: I956e75743fb1011e15dccb5df05ef76e4954ee58
Signed-off-by: Sharl <amoiz.shine@gmail.com>