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1. Convert abstract *Apps (AbstractApp, AbstractSubApp, ...) to concrete classes (BaseApp, BaseSubApp, ...)
2. Interface for AppFrameView, inject interface into AbstractApp
3. Make AbstractApp listen to AppFrameView Events (on tab close, on tab change)
   
   1. delegate to AppContext
4. Remove vaadin dependencies from AppContext
5. Renaming AppController (AppManager?) & AppContext (AppController?)

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1. AppContextImpl

Additional Information

Documentation

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