From amarok-devel  Mon Feb 01 13:05:28 2010
From: Casey Link <unnamedrambler () gmail ! com>
Date: Mon, 01 Feb 2010 13:05:28 +0000
To: amarok-devel
Subject: Re: Queue Manager
Message-Id: <fb3727061002010505v2a721dcek84a8f743625fc938 () mail ! gmail ! com>
X-MARC-Message: https://marc.info/?l=amarok-devel&m=126502960225131

> Concerning the actual implementation: currently I use a very basic approach by
> simply polling TrackNavigator::queue() from within a QueueEngine and
> subscribing to the QueueEngine from a QueueManager context applet. To be able
> to access the queue from within the QueueEngine I had to AMAROK_EXPORT the
> class TrackNavigator, but probably it would be better to create an observer
> pattern like a separate TrackQueue-class and a TrackQueueObserver. What do you
> think about this approach?

Why not emit a signal when the queue is modified, and connect that
signal to a slot in your manager?

Casey
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