Review Request 120794: Implement Unique Mode Properly in Rekonq

[Andrea Diamantini]

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src/application.cpp
<https://git.reviewboard.kde.org/r/120794/#comment48462>

    It's not clear to me why you chose parse() instead of process() here.
    Can you please argument this?


- Andrea Diamantini


On Oct. 28, 2014, 2 p.m., David Narváez wrote:
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> https://git.reviewboard.kde.org/r/120794/
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> (Updated Oct. 28, 2014, 2 p.m.)
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> 
> Review request for KDE Frameworks and rekonq.
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> Repository: rekonq
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> Description
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> This is my humble attempt to implement the Unique Mode properly. I have been trying to do this for the longest time in a way that avoids code duplication but I can't find a way to jump over all the hurdles these API impose. I tried learning from other ports from KUniqueApplication but a quick look at LXR shows there are plenty of applications that blindly ported to Unique Mode but didn't bother implementing activateRequested and the one I found that did was plasmawindowedcorona.cpp which does not need a QCommandLineParser, so the code duplication is less evident. At this point, I would like someone who knows about the QCommandLineParser + KDBusAddons dance to look at this and tell if it is reasonable or not.
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> The current patch just makes it possible to open several Rekonq applications. It does not do the right thing when a Rekonq window is already open in the current activity and a user clicks a link elsewhere (step 4 in the Testing Done section) because it starts a brand new Rekonq window, but that's a different patch. It also does some funky thing asking you if you want to restore the previous session when nothing has crashed, I have to check that.
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> Diffs
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>   src/application.h 7ccd60d 
>   src/application.cpp c7c297d 
>   src/main.cpp 7592f7a 
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> Diff: https://git.reviewboard.kde.org/r/120794/diff/
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> Testing
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> 1. Open one Rekonq window
> 2. Try opening Rekonq again
> 3. Try opeining Rekonq from a command line with some URLs
> 4. Assuming Reknoq is your default browser (why wouldn't it be?) click on a link somewhere (I click on the links at the title of the Konversation channels I am in)
> 5. Open rekonq from the console using rekonq --incognito
> 6. Open rekonq from the console using reknoq --webapp twitter.com
> 7. Open rekonq from the console pointing it to some local HTML file
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> Before this patch, nothing happens in steps 2 - 7. After a first version of this patch that does not avoid the QCommandLine parser if the argument list is not empty, the window opened at 1 crashes because the activateRequested signal passes an empty list of arguments - not even the binary name - so QCommandLine parser dies. With this patch, every step opens a new window properly, step 5 opens an incognito window and step 6 opens a webapp window (simple window). Step 7 opens the current working directory because local URL handling is broken.
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> Thanks,
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> David Narváez
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>

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