Review Request: Fix the autosave recovery system

[Boudewijn Rempt]

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http://git.reviewboard.kde.org/r/104892/
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Review request for Calligra.


Description
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1) X-KDE-NativeExtension can be empy, in that case take mime->mainExtension.
    
    Otherwise our autosave files are called .autosave, and that's not something
    the filter's mime detection can handle
    
2) don't overwrite autosave files when running multiple unnamed modified
    documents
    
3) tag the autosave files with the pid and use dbus to check which processes
    that have autosave files are still active; don't offer to recover those.
    
4) show the autosave files in a nice dialog with the ora/odf thumbnail
    as a preview, and offer to recover them all.


This addresses bug 299611.
    http://bugs.kde.org/show_bug.cgi?id=299611


Diffs
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  libs/main/KoMainWindow.cpp c01f44d 
  libs/main/KoAutoSaveRecoveryDialog.cpp PRE-CREATION 
  libs/main/KoDocument.h 0a28c7c 
  libs/main/KoDocument.cpp d2d3938 
  libs/main/KoAutoSaveRecoveryDialog.h PRE-CREATION 
  libs/main/CMakeLists.txt ea408b7 
  libs/main/KoApplication.cpp 12ddec3 

Diff: http://git.reviewboard.kde.org/r/104892/diff/


Testing
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went manually through all possible scenarios


Screenshots
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autosavefile recovery dialog
  http://git.reviewboard.kde.org/r/104892/s/561/


Thanks,

Boudewijn Rempt

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