qwindowsole.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QWINDOWSOLE_H

#define QWINDOWSOLE_H

#include <QtCore/qt_windows.h>

#include <QtCore/qlist.h>

#include <QtCore/qmap.h>

#include <QtCore/qpointer.h>

#include <QtCore/private/qcomobject_p.h>

#include <objidl.h>

QT_BEGIN_NAMESPACE

class QMimeData;

class QWindow;

class QWindowsOleDataObject : public QComObject<IDataObject>

public:

    explicit QWindowsOleDataObject(QMimeData *mimeData);

    ~QWindowsOleDataObject() override;

    void releaseQt();

    QMimeData *mimeData() const;

    DWORD reportedPerformedEffect() const;

    // IDataObject methods

    STDMETHOD(GetData)(LPFORMATETC pformatetcIn, LPSTGMEDIUM pmedium) noexcept override;

    STDMETHOD(GetDataHere)(LPFORMATETC pformatetc, LPSTGMEDIUM pmedium) noexcept override;

    STDMETHOD(QueryGetData)(LPFORMATETC pformatetc) noexcept override;

    STDMETHOD(GetCanonicalFormatEtc)(LPFORMATETC pformatetc, LPFORMATETC pformatetcOut) noexcept override;

    STDMETHOD(SetData)(LPFORMATETC pformatetc, STGMEDIUM FAR *pmedium, BOOL fRelease) noexcept override;

    STDMETHOD(EnumFormatEtc)(DWORD dwDirection, LPENUMFORMATETC FAR *ppenumFormatEtc) noexcept override;

    STDMETHOD(DAdvise)

    (FORMATETC FAR *pFormatetc, DWORD advf, LPADVISESINK pAdvSink,

     DWORD FAR *pdwConnection) noexcept override;

    STDMETHOD(DUnadvise)(DWORD dwConnection) noexcept override;

    STDMETHOD(EnumDAdvise)(LPENUMSTATDATA FAR *ppenumAdvise) noexcept override;

private:

    QPointer<QMimeData> data;

    const int CF_PERFORMEDDROPEFFECT;

    DWORD performedEffect = DROPEFFECT_NONE;

};

class QWindowsOleEnumFmtEtc : public QComObject<IEnumFORMATETC>

public:

    explicit QWindowsOleEnumFmtEtc(const QList<FORMATETC> &fmtetcs);

    explicit QWindowsOleEnumFmtEtc(const QList<LPFORMATETC> &lpfmtetcs);

    ~QWindowsOleEnumFmtEtc() override;

    bool isNull() const;

    // IEnumFORMATETC methods

    STDMETHOD(Next)(ULONG celt, LPFORMATETC rgelt, ULONG FAR *pceltFetched) noexcept override;

    STDMETHOD(Skip)(ULONG celt) noexcept override;

    STDMETHOD(Reset)(void) noexcept override;

    STDMETHOD(Clone)(LPENUMFORMATETC FAR *newEnum) noexcept override;

private:

    bool copyFormatEtc(LPFORMATETC dest, const FORMATETC *src) const;

    ULONG m_nIndex = 0;

    QList<LPFORMATETC> m_lpfmtetcs;

    bool m_isNull = false;

};

QT_END_NAMESPACE

#endif // QWINDOWSOLE_H