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5b77797be4
KIO::PreviewJob was made for this kind of things, it also does not involve loading the file (which may play a sound even if the widget is not visible), seeking, pausing and then grabbing a QWidget snapshot. the only requirement is for ffmpegthumbs thumbnailer to be installed Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/***************************************************************************
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* Copyright (C) 2012 by Tobias Koening <tokoe@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "snapshottaker.h"
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#include <KFileItem>
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SnapshotTaker::SnapshotTaker( const KUrl &url, QObject *parent, const QSize &size )
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: QObject( parent )
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, m_job( nullptr )
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{
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m_plugins.append(QString::fromLatin1("ffmpegthumbs"));
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m_job = KIO::filePreview(
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KFileItemList() << KFileItem(url, QString(), 0),
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size,
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&m_plugins
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);
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m_job->setScaleType(KIO::PreviewJob::Scaled);
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connect(
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m_job, SIGNAL(gotPreview(KFileItem,QPixmap)),
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this, SLOT(slotPreview(KFileItem,QPixmap))
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);
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connect(
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m_job, SIGNAL(failed(KFileItem)),
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this, SLOT(slotFailed(KFileItem))
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);
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m_job->start();
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}
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SnapshotTaker::~SnapshotTaker()
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{
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}
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void SnapshotTaker::slotPreview(const KFileItem& item, const QPixmap &preview)
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{
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Q_UNUSED(item);
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if (!preview.isNull()) {
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emit finished( preview.toImage() );
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}
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deleteLater();
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}
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void SnapshotTaker::slotFailed(const KFileItem& item)
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{
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Q_UNUSED(item);
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deleteLater();
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}
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