mirror of
https://invent.kde.org/graphics/okular
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91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
/*
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SPDX-FileCopyrightText: 2008 Pino Toscano <pino@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef _OKULAR_SAVEINTERFACE_H_
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#define _OKULAR_SAVEINTERFACE_H_
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#include "../core/okularcore_export.h"
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#include <QObject>
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namespace Okular
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{
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class AnnotationProxy;
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/**
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* @short Abstract interface for saving
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*
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* This interface defines a way to save (or help saving) the document opened
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* by the Generator.
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*
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* How to use it in a custom Generator:
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* @code
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class MyGenerator : public Okular::Generator, public Okular::SaveInterface
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{
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Q_OBJECT
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Q_INTERFACES( Okular::SaveInterface )
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...
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};
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* @endcode
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* and - of course - implementing its methods.
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*/
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class OKULARCORE_EXPORT SaveInterface
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{
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public:
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/**
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* The possible options for the saving.
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*/
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enum SaveOption {
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NoOption = 0,
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SaveChanges = 1 ///< The possibility to save with the current changes to the document.
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};
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Q_DECLARE_FLAGS(SaveOptions, SaveOption)
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SaveInterface()
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{
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}
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/**
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* Destroys the save interface.
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*/
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virtual ~SaveInterface()
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{
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}
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SaveInterface(const SaveInterface &) = delete;
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SaveInterface &operator=(const SaveInterface &) = delete;
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/**
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* Query for the supported saving options.
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*
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* @note NoOption is never queried
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*/
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virtual bool supportsOption(SaveOption option) const = 0;
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/**
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* Save to the specified @p fileName with the specified @p options.
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*/
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virtual bool save(const QString &fileName, SaveOptions options, QString *errorText) = 0;
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/**
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* Returns the annotation proxy. Generators can return NULL if native
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* annotations are not supported.
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*
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* @note Returning NULL is equivalent to returning an AnnotationProxy
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* that doesn't support any capability.
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* @since 0.15 (KDE 4.9)
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*/
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virtual AnnotationProxy *annotationProxy() const = 0;
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};
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}
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Q_DECLARE_INTERFACE(Okular::SaveInterface, "org.kde.okular.SaveInterface/0.3")
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Q_DECLARE_OPERATORS_FOR_FLAGS(Okular::SaveInterface::SaveOptions)
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#endif
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