kio Library API Documentation

KIO::PreviewJob Class Reference

#include <previewjob.h>

Inheritance diagram for KIO::PreviewJob:

KIO::Job QObject List of all members.

Signals

void gotPreview (const KFileItem *item, const QPixmap &preview)
 Emitted when a thumbnail picture for item has been successfully retrieved.

void failed (const KFileItem *item)
 Emitted when a thumbnail for item could not be created, either because a ThumbCreator for its MIME type does not exist, or because something went wrong.


Public Methods

void removeItem (const KFileItem *item)
 Removes an item from preview processing.


Static Public Methods

QStringList availablePlugins ()
QStringList supportedMimeTypes ()

Protected Slots

virtual void slotResult (KIO::Job *job)
 Called whenever a subjob finishes.


Protected Methods

virtual void virtual_hook (int id, void *data)

Detailed Description

This class catches a preview (thumbnail) for files

Definition at line 36 of file previewjob.h.


Member Function Documentation

void PreviewJob::removeItem const KFileItem   item
 

Removes an item from preview processing.

Use this if you passed an item to filePreview and want to delete it now.

Parameters:
item  the item that should be removed from the preview queue

Definition at line 217 of file previewjob.cpp.

References QPtrList< Job >::first(), and QPtrList< Job >::removeFirst().

QStringList PreviewJob::availablePlugins   [static]
 

Returns:
a list of all available preview plugins. The list contains the basenames of the plugins' .desktop files (no path, no .desktop).

Definition at line 488 of file previewjob.cpp.

References QValueList::begin(), QValueList::end(), KTrader::query(), KIO::Job::result(), and KTrader::self().

QStringList PreviewJob::supportedMimeTypes   [static]
 

Returns:
a list of all supported MIME types. The list can contain entries like text/ * (without the space).

Definition at line 497 of file previewjob.cpp.

References QValueList::begin(), QValueList::end(), KTrader::query(), KIO::Job::result(), and KTrader::self().

Referenced by KFileIconView::showPreviews().

void KIO::PreviewJob::gotPreview const KFileItem   item,
const QPixmap   preview
[signal]
 

Emitted when a thumbnail picture for item has been successfully retrieved.

void KIO::PreviewJob::failed const KFileItem   item [signal]
 

Emitted when a thumbnail for item could not be created, either because a ThumbCreator for its MIME type does not exist, or because something went wrong.

void PreviewJob::slotResult KIO::Job   job [protected, virtual, slot]
 

Called whenever a subjob finishes.

Default implementation checks for errors and propagates to parent job, then calls removeSubjob. Override if you don't want subjobs errors to be propagated.

Reimplemented from KIO::Job.

Definition at line 281 of file previewjob.cpp.

References QValueList< UDSAtom >::begin(), QValueList< UDSAtom >::end(), KIO::Job::error(), QPtrList< Job >::isEmpty(), QFile::remove(), and QPtrList< Job >::remove().


The documentation for this class was generated from the following files:
KDE Logo
This file is part of the documentation for kdelibs Version 3.1.0.
Documentation copyright © 1996-2002 the KDE developers.
Generated on Wed Oct 8 12:21:38 2003 by doxygen 1.2.18 written by Dimitri van Heesch, © 1997-2001