DVLLibrary.h

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/*
 (C) 2013 SAP AG or an SAP affiliate company. All rights reserved.
*/
#pragma once

#define DVLLIBRARYLISTING_FILENAMES                         1
#define DVLLIBRARYLISTING_FILESIZES                         2
#define DVLLIBRARYLISTING_FOLDERNAMES                       4

#pragma pack(push, 1)
struct sDVLLibraryFolderListing
{
    uint16_t m_uSizeOfDVLLibraryFolderListing;

    uint32_t m_uFilesCount;
    uint32_t m_uFoldersCount;

    char **m_pFileNames;//[m_uFilesCount], only when DVLLIBRARYLISTING_FILENAMES is set
    uint64_t *m_pFileSizes;//[m_uFilesCount], only when DVLLIBRARYLISTING_FILESIZES is set
    char **m_pFolderNames;//[m_uFoldersCount], only when DVLLIBRARYLISTING_FOLDERNAMES is set
};
#pragma pack(pop)



class IDVLLibrary
{
protected:
    virtual ~IDVLLibrary() {}//can't be deleted using this interface

public:
    virtual DVLRESULT RetrieveFolderListing(const char *szURL, uint32_t flags, sDVLLibraryFolderListing *pListing) = 0;

    virtual void ReleaseFolderListing(sDVLLibraryFolderListing *pListing) = 0;

    virtual DVLRESULT RetrieveThumbnail(const char *szURL, sDVLImage *pThumbnail) = 0;

    virtual void ReleaseThumbnail(sDVLImage *pThumbnail) = 0;

    virtual DVLRESULT RetrieveInfo(const char *szURL, uint32_t &flags, uint32_t &major, uint32_t &minor) = 0;
};