/usr/include/libdtk-2.0.7/DWidget/dthumbnailprovider.h is in libdtkwidget-dev 2.0.7.2-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | /*
* Copyright (C) 2017 ~ 2017 Deepin Technology Co., Ltd.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DFILETHUMBNAILPROVIDER_H
#define DFILETHUMBNAILPROVIDER_H
#include <QThread>
#include <QFileInfo>
#include "dtkwidget_global.h"
#include "dobject.h"
#include <functional>
QT_BEGIN_NAMESPACE
class QMimeType;
QT_END_NAMESPACE
DWIDGET_BEGIN_NAMESPACE
class DThumbnailProviderPrivate;
class DThumbnailProvider : public QThread, public DTK_CORE_NAMESPACE::DObject
{
Q_OBJECT
public:
enum Size {
Small = 64,
Normal = 128,
Large = 256,
};
static DThumbnailProvider *instance();
bool hasThumbnail(const QFileInfo &info) const;
bool hasThumbnail(const QMimeType &mimeType) const;
QString thumbnailFilePath(const QFileInfo &info, Size size) const;
QString createThumbnail(const QFileInfo &info, Size size);
typedef std::function<void(const QString &)> CallBack;
void appendToProduceQueue(const QFileInfo &info, Size size, CallBack callback = 0);
void removeInProduceQueue(const QFileInfo &info, Size size);
QString errorString() const;
qint64 defaultSizeLimit() const;
void setDefaultSizeLimit(qint64 size);
qint64 sizeLimit(const QMimeType &mimeType) const;
void setSizeLimit(const QMimeType &mimeType, qint64 size);
Q_SIGNALS:
void thumbnailChanged(const QString &sourceFilePath, const QString &thumbnailPath) const;
void createThumbnailFinished(const QString &sourceFilePath, const QString &thumbnailPath) const;
void createThumbnailFailed(const QString &sourceFilePath) const;
protected:
explicit DThumbnailProvider(QObject *parent = 0);
~DThumbnailProvider();
void run() Q_DECL_OVERRIDE;
private:
D_DECLARE_PRIVATE(DThumbnailProvider)
};
DWIDGET_END_NAMESPACE
#endif // DFILETHUMBNAILPROVIDER_H
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