Marble

StoragePolicy.h
1// SPDX-License-Identifier: LGPL-2.1-or-later
2//
3// SPDX-FileCopyrightText: 2007 Tobias Koenig <tokoe@kde.org>
4// SPDX-FileCopyrightText: 2009 Bastian Holst <bastianholst@gmx.de>
5//
6
7#ifndef MARBLE_STORAGEPOLICY_H
8#define MARBLE_STORAGEPOLICY_H
9
10
11#include <QObject>
12
13class QByteArray;
14class QString;
15
16namespace Marble
17{
18
19class StoragePolicy : public QObject
20{
22
23 public:
24 explicit StoragePolicy( QObject *parent = nullptr );
25
26 ~StoragePolicy() override {}
27
28 virtual bool fileExists( const QString &fileName ) const = 0;
29
30 /**
31 * Return true if file was written successfully.
32 */
33 virtual bool updateFile( const QString &fileName, const QByteArray &data ) = 0;
34
35 virtual void clearCache() = 0;
36
37 virtual QString lastErrorMessage() const = 0;
38
40 void cleared();
41 void sizeChanged( qint64 );
42
43 private:
44 Q_DISABLE_COPY( StoragePolicy )
45};
46
47}
48
49#endif
Binds a QML item to a specific geodetic location in screen coordinates.
Q_OBJECTQ_OBJECT
Q_SIGNALSQ_SIGNALS
QObject * parent() const const
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