0000846: cancel result retrieval

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ID	Category	Severity	Reproducibility	Date Submitted	Last Update
0000846	xmms2d	minor	always	06-05-28 23:28	08-12-17 23:12

Reporter	nano	View Status	public
Assigned To
Priority	normal	Resolution	open
Status	confirmed

Summary	0000846: cancel result retrieval
Description	The current way: 1. A client requests data from the server, attaches a callback function. 2. The client changed its state and is no longer in need of the result. 3. xmms2d doesn't give a shit and fetches the result and the callback hits. The good way: 1. A client requests data from the server, attaches a callback function. 2. The client changed its state and is no longer in need of the result. 3. The client tells xmms2d that the result is no longer needed. 4: xmms2d removes the result from the query queue and continues with next result. Usecase 1: Pre: A client performs some slow database query, User cries. Post: A client performs some slow database query and provides a cancel button. User pushes the button and smiles. Usecase 2: Pre: A client provides a GtkTreeView that loads only visible data. The User scrolls his 10000+ list of metadata rows at some rate and then stops. Now xmms2d has to process the queue that has built up before the currently "showing" entries can be resolved. User cries. Post: User scrolls, result is available instantaneously, User smiles.
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