Review Request 110934: Adds a Offline Mode to Amarok i.e. fixes Bug 229111

[Vedant Agarwala]

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http://git.reviewboard.kde.org/r/110934/
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Review request for Amarok.


Summary (updated)
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Adds a Offline Mode to Amarok i.e. fixes Bug 229111


Description (updated)
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Adds a "Offline Mode" to the "Amarok" menu. In Offline Mode, The::networkAccessManager()->getData(...) returns NULL, and prints a error() message.
Also, I have updated existing code so that it checks whether Amarok is in Offline Mode before placing the getData request.
However, this is not a fail safe mechanism. Newer codes can use the QNetworkAccessManager::get(...) direcrtly or make use of the The::networkAccessManager in other ways. Scripts cannot do this since its methods check first but this too can be changed. So, care still has to be taken while writing newer code. I have mentioned the same as comments in the code.


This addresses bug 229111.
    https://bugs.kde.org/show_bug.cgi?id=229111


Diffs (updated)
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  src/ActionClasses.h 0187402 
  src/ActionClasses.h 0187402 
  src/ActionClasses.h 0187402 
  src/ActionClasses.cpp cce6f20 
  src/ActionClasses.cpp cce6f20 
  src/ActionClasses.cpp cce6f20 
  src/MainWindow.cpp af47db7 
  src/MainWindow.cpp af47db7 
  src/MainWindow.cpp af47db7 
  src/amarokconfig.kcfg e00325d 
  src/amarokconfig.kcfg e00325d 
  src/amarokconfig.kcfg e00325d 
  src/context/applets/photos/PhotosScrollWidget.cpp b5e872a 
  src/context/applets/photos/PhotosScrollWidget.cpp b5e872a 
  src/context/applets/similarartists/ArtistWidget.cpp 511f641 
  src/context/applets/similarartists/ArtistWidget.cpp 511f641 
  src/context/applets/upcomingevents/UpcomingEventsApplet.cpp 38742df 
  src/context/applets/upcomingevents/UpcomingEventsApplet.cpp 38742df 
  src/context/applets/upcomingevents/UpcomingEventsMapWidget.h 99e55b2 
  src/context/applets/upcomingevents/UpcomingEventsMapWidget.h 99e55b2 
  src/context/applets/upcomingevents/UpcomingEventsMapWidget.cpp 9c11506 
  src/context/applets/upcomingevents/UpcomingEventsMapWidget.cpp 9c11506 
  src/context/applets/upcomingevents/UpcomingEventsWidget.cpp 323ec1e 
  src/context/applets/upcomingevents/UpcomingEventsWidget.cpp 323ec1e 
  src/context/applets/wikipedia/WikipediaApplet.cpp 0f7a3b0 
  src/context/applets/wikipedia/WikipediaApplet.cpp 0f7a3b0 
  src/context/engines/labels/LabelsEngine.cpp ad3ae71 
  src/context/engines/labels/LabelsEngine.cpp ad3ae71 
  src/context/engines/photos/PhotosEngine.cpp f9f8fd5 
  src/context/engines/photos/PhotosEngine.cpp f9f8fd5 
  src/context/engines/similarartists/SimilarArtistsEngine.cpp 898beb4 
  src/context/engines/similarartists/SimilarArtistsEngine.cpp 898beb4 
  src/context/engines/tabs/TabsEngine.cpp 24a89df 
  src/context/engines/tabs/TabsEngine.cpp 24a89df 
  src/context/engines/upcomingevents/UpcomingEventsEngine.cpp b869a3c 
  src/context/engines/upcomingevents/UpcomingEventsEngine.cpp b869a3c 
  src/context/engines/wikipedia/WikipediaEngine.cpp 0b75f15 
  src/context/engines/wikipedia/WikipediaEngine.cpp 0b75f15 
  src/context/widgets/DropPixmapItem.cpp 62b0e90 
  src/context/widgets/DropPixmapItem.cpp 62b0e90 
  src/covermanager/CoverFetcher.cpp 3cf32cc 
  src/covermanager/CoverFetcher.cpp 3cf32cc 
  src/covermanager/CoverFoundDialog.cpp 6d7efa2 
  src/covermanager/CoverFoundDialog.cpp 6d7efa2 
  src/musicbrainz/MusicBrainzFinder.cpp 6892232 
  src/musicbrainz/MusicBrainzFinder.cpp 6892232 
  src/musicbrainz/MusicDNSFinder.cpp d393211 
  src/musicbrainz/MusicDNSFinder.cpp d393211 
  src/network/NetworkAccessManagerProxy.h 6285f0f 
  src/network/NetworkAccessManagerProxy.h 6285f0f 
  src/network/NetworkAccessManagerProxy.h 6285f0f 
  src/network/NetworkAccessManagerProxy.cpp a2694bf 
  src/network/NetworkAccessManagerProxy.cpp a2694bf 
  src/network/NetworkAccessManagerProxy.cpp a2694bf 
  src/scriptengine/AmarokNetworkScript.cpp 0eaa440 
  src/scriptengine/AmarokNetworkScript.cpp 0eaa440 
  src/services/ampache/AmpacheAccountLogin.cpp 26aebed 
  src/services/ampache/AmpacheAccountLogin.cpp 26aebed 
  src/services/ampache/AmpacheServiceCollection.cpp 140c465 
  src/services/ampache/AmpacheServiceCollection.cpp 140c465 
  src/services/ampache/AmpacheServiceQueryMaker.cpp b94c3b0 
  src/services/ampache/AmpacheServiceQueryMaker.cpp b94c3b0 
  src/services/lastfm/AvatarDownloader.cpp b54b252 
  src/services/lastfm/AvatarDownloader.cpp b54b252 
  src/services/lastfm/LastFmService.cpp 4c100c4 
  src/services/lastfm/LastFmService.cpp 4c100c4 
  src/services/lastfm/LastFmServiceSettings.h 82b9b00 
  src/services/lastfm/LastFmServiceSettings.h 82b9b00 
  src/services/lastfm/LastFmServiceSettings.cpp 086997e 
  src/services/lastfm/LastFmServiceSettings.cpp 086997e 

Diff: http://git.reviewboard.kde.org/r/110934/diff/


Testing (updated)
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Testing done. Builds and runs. I even made sure error messages were being shown (and no other undesired effects, like a crash, were taking place) if The::networkAccessManager()->getData(...) was called inappropriately.


Thanks,

Vedant Agarwala

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