[rekonq] Review Request: Implement (User) Session Restore

[David Narváez]

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http://git.reviewboard.kde.org/r/103658/
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Review request for rekonq.


Description
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This patch implements session management (see http://techbase.kde.org/Development/Tutorials/Session_Management). Most of the ideas are taken from Konsole, which is also a KUniqueApplication but manages session restoring correctly. Notice that the new code in Session Manager triplicates some code from other functions (mostly dealing with loading the session DOM Document and restoring tabs), so I think that if this patch is accepted, a refactoring of the SessionManager code is in order (or maybe do the refactoring before this patch?). I can take a shot at the refactoring if needed.


Diffs
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  src/main.cpp a9082d7 
  src/mainwindow.h 04a59a1 
  src/mainwindow.cpp 98936e9 
  src/sessionmanager.h d0d7efd 
  src/sessionmanager.cpp 20b3501 
  src/application.cpp a09fc26 

Diff: http://git.reviewboard.kde.org/r/103658/diff/diff


Testing
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Test #1: Desktop restoration
1) Open Rekonq in one Desktop
2) Change to another desktop
3) Log out and back in

Rekonq should not appear in the desktop you are at, but in the desktop you were when you called it.

Test #2: Activities restoration
1) Open two activities
2) Open two different Rekonq windows, one in each activity, with different URLs
3) Log out and back in

Rekonq should be restore in both activities with the URLs you loaded before logging out

Other tests:
1) Do Test #2, then open a new rekonq window - this tests changes in the Application::newInstance() method.
2) Crash the session (e.g., killall rekonq) and open rekonq again - in this case no desktop/activities restoration should take place (haven't figured out how to do this)


Thanks,

David Narváez

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