HostFolder.h

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// HostFolder.h : Declaration of the CHostFolder

#ifndef HOSTFOLDER_H
#define HOSTFOLDER_H

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "stdafx.h"
#include "resource.h"       // main symbols

#define INITGUID
#include <propkey.h>

#include "HostPidlManager.h"

#define _ATL_DEBUG_QI

// IHostFolder
[
        object,
        uuid("b816a839-5022-11dc-9153-0090f5284f85"),
        helpstring("IHostFolder Interface"),
        pointer_default(unique)
]
__interface IHostFolder : IUnknown
{
};


// CHostFolder
[
        coclass,
        default(IHostFolder),
        threading(apartment),
        vi_progid("Swish.HostFolder"),
        progid("Swish.HostFolder.1"),
        version(1.0),
        registration_script("HostFolder.rgs"),
        uuid("b816a83a-5022-11dc-9153-0090f5284f85"),
        helpstring("HostFolder Class")
]
class ATL_NO_VTABLE CHostFolder :
        public IHostFolder,
        // The IShellFolder2-specific detail-handling methods are not compatible
        // with Win 9x/NT but it supports all those of IShellDetails which are
        public IShellFolder2, 
        // IPersistFolder2 needed for Details expando
        public IPersistFolder2, 
        public IExtractIcon
//      public IShellDetails // This is compatible with 9x/NT unlike IShellFolder2
{
public:
        CHostFolder() : m_pidl(NULL)
        {
        }

        ~CHostFolder()
        {
                if (m_pidl)
                        m_PidlManager.Delete( m_pidl );
        }

        DECLARE_PROTECT_FINAL_CONSTRUCT()
        HRESULT FinalConstruct()
        {
                return S_OK;
        }
        void FinalRelease()
        {
        }

    // IPersist
    STDMETHOD(GetClassID)( CLSID* );

        // IPersistFolder
    STDMETHOD(Initialize)( PCIDLIST_ABSOLUTE pidl );

        // IPersistFolder2
        STDMETHOD(GetCurFolder)( PIDLIST_ABSOLUTE *ppidl );

        // IShellFolder
    STDMETHOD(BindToObject)(PCUIDLIST_RELATIVE pidl, LPBC, REFIID, void** );
        STDMETHOD(EnumObjects)( HWND, DWORD, LPENUMIDLIST* );
    STDMETHOD(CreateViewObject)( HWND, REFIID, void** );
    STDMETHOD(GetAttributesOf) ( UINT, LPCITEMIDLIST*, LPDWORD );
    STDMETHOD(GetUIObjectOf)
                ( HWND, UINT, LPCITEMIDLIST*, REFIID, LPUINT, void** );
        STDMETHOD(CompareIDs)
                ( LPARAM, LPCITEMIDLIST, LPCITEMIDLIST );
    STDMETHOD(BindToStorage)( LPCITEMIDLIST, LPBC, REFIID, void** )
        { return E_NOTIMPL; }
    STDMETHOD(GetDisplayNameOf)( PCUITEMID_CHILD, SHGDNF, LPSTRRET );
    STDMETHOD(ParseDisplayName)
                ( HWND, LPBC, LPOLESTR, LPDWORD, LPITEMIDLIST*, LPDWORD )
        { return E_NOTIMPL; }
    STDMETHOD(SetNameOf)( HWND, LPCITEMIDLIST, LPCOLESTR, DWORD, LPITEMIDLIST* )
        { return E_NOTIMPL; }

        // IShellFolder2
        STDMETHOD(EnumSearches)( IEnumExtraSearch **ppEnum );
        STDMETHOD(GetDefaultColumn)( DWORD, ULONG *pSort, ULONG *pDisplay );
        STDMETHOD(GetDefaultColumnState)( UINT iColumn, SHCOLSTATEF *pcsFlags );                STDMETHOD(GetDefaultSearchGUID)( GUID *pguid )
                { return E_NOTIMPL; }
        STDMETHOD(GetDetailsEx)( PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, 
                                                         VARIANT *pv );
        STDMETHOD(MapColumnToSCID)( UINT iColumn, SHCOLUMNID *pscid );

        // IExtractIcon
        STDMETHOD(Extract)( LPCTSTR pszFile, UINT nIconIndex, HICON *phiconLarge, 
                                                HICON *phiconSmall, UINT nIconSize );
        STDMETHOD(GetIconLocation)( UINT uFlags, LPTSTR szIconFile, UINT cchMax, 
                                                                int *piIndex, UINT *pwFlags );

        // IShellDetails
        STDMETHOD(GetDetailsOf)( PCUITEMID_CHILD pidl, UINT iColumn, 
                                                         LPSHELLDETAILS pDetails );
        STDMETHOD(ColumnClick)( UINT iColumn );

private:
    CHostPidlManager      m_PidlManager;
        PIDLIST_ABSOLUTE      m_pidl; // Absolute pidl of this folder object
        std::vector<HOSTPIDL> m_vecConnData;

        CString _GetLongNameFromPIDL( PCUITEMID_CHILD pidl, BOOL fCanonical );
        CString _GetLabelFromPIDL( PCUITEMID_CHILD pidl );
        HRESULT _FillDetailsVariant( PCWSTR szDetail, VARIANT *pv );
};

// Host column property IDs
enum PID_SWISH_HOST {
        PID_SWISH_HOST_USER = PID_FIRST_USABLE,
        PID_SWISH_HOST_PORT
};

// PKEYs for custom swish details/properties
// Swish Host FMTID GUID {b816a850-5022-11dc-9153-0090f5284f85}
DEFINE_PROPERTYKEY(PKEY_SwishHostUser, 0xb816a850, 0x5022, 0x11dc, \
                                   0x91, 0x53, 0x00, 0x90, 0xf5, 0x28, 0x4f, 0x85, \
                                   PID_SWISH_HOST_USER);
DEFINE_PROPERTYKEY(PKEY_SwishHostPort, 0xb816a850, 0x5022, 0x11dc, \
                                   0x91, 0x53, 0x00, 0x90, 0xf5, 0x28, 0x4f, 0x85, \
                                   PID_SWISH_HOST_PORT);

#endif // HOSTFOLDER_H

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