tree bde1bf03bf83b83d009d15ebdf0020a6d18cac9d
parent ad5b134d1659082470e7a6997f3714ba22381556
author Shawn O. Pearce <sop@google.com> 1239742003 -0700
committer Shawn O. Pearce <sop@google.com> 1239742003 -0700

Allow ViewSite subclasses to be notified of view swaps

This way an extension of a ViewSite can do magic, like update the
window's title upon the change of the view within the view site.

Signed-off-by: Shawn O. Pearce <sop@google.com>