ed7881d6c9
For Firefox/OpenOffice, right now we have a workaround in the code where we look at their "title" property. However, we weren't monitoring that property for changes, and I'm fairly certain Firefox at least was mapping a window and then very quickly changing its title after. So we need to handle dynamic changes. Split out the wm_class mapping from the title hack. It was messy and weird to have the two mixed because they're not at all related, and we're not trying to handle WM_CLASS changes right now. Explicitly connect to notify::title in the case where we had a title fallback. When a title changes, just treat it as an add+remove. In the Application Menu area in the panel, hook up to app-added and app-removed so we get notification of the active app changing.
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