Review Request: Use D-Bus to lock sessions and move "session locked" dialog (from KDevelop's main()) to kdevplatform

[Milian Wolff]

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shell/sessioncontroller.cpp
<http://git.reviewboard.kde.org/r/105917/#comment19213>

    this is wrong, no?
    
    just encountered this code while refactoring it.
    
    - we only reach this code path if we want to lock the session
    - if we fail to "force remove" the lock file and cannot acquire the lockfile afterwards, something bad happened
    
    I'll turn this into an assertion, i.e.: ensure that after attempRelock the lockfile was properly acquired


- Milian Wolff


On Sept. 25, 2012, 10:19 a.m., Ivan Shapovalov wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/105917/
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> (Updated Sept. 25, 2012, 10:19 a.m.)
> 
> 
> Review request for KDevelop.
> 
> 
> Description
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> 
> 1: Use D-Bus instead of lock-files to lock kdevplatform sessions.
> 
> 2: Moved the lockfile remove dialog which currently resides in KDevelop's main() - and which is usable only when the session name is explicitly given to the application - to kdevplatform's SessionController, adjusting the dialog for "lockfile -> dbus" changes.
>     
> This allows to get rid of nasty non-informative error messages about a session being already used and replace them with code that does the following things:
> 1) Attempts a DBus call to make a running instance visible;
> 2) If it didn't succeed, shows a dialog window asking permission to retry, show session chooser dialog or quit;
> 3) Repeats the entire procedure if a newly-picked session is locked too.
>     
> This code is also used when one picks a session from "Sessions" menu, so a nasty error message has also been removed also from there.
> 
> Related change to KDevelop is here: https://git.reviewboard.kde.org/r/105918/ .
> 
> 
> Diffs
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> 
>   shell/core.cpp 206d48d 
>   shell/sessioncontroller.h 551894d 
>   shell/sessioncontroller.cpp c9fac67 
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> Diff: http://git.reviewboard.kde.org/r/105917/diff/
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> 
> Testing
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> Existing unit-tests + manual UI testing.
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> 
> Thanks,
> 
> Ivan Shapovalov
> 
>

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