CRecycleBin.h

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/*
 * Trash virtual folder support. The trashing engine is implemented in trash.c
 *
 * Copyright (C) 2006 Mikolaj Zalewski
 * Copyright (C) 2009 Andrew Hill
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#ifndef _SHFLDR_RECYCLEBIN_H_
#define _SHFLDR_RECYCLEBIN_H_
 
BOOL TRASH_CanTrashFile(LPCWSTR wszPath);
BOOL TRASH_TrashFile(LPCWSTR wszPath);
HRESULT CRecyclerDropTarget_CreateInstance(REFIID riid, LPVOID * ppvOut);
 
class CRecycleBin :
    public CComCoClass<CRecycleBin, &CLSID_RecycleBin>,
    public CComObjectRootEx<CComMultiThreadModelNoCS>,
    public IShellFolder2,
    public IPersistFolder2,
    public IContextMenu,
    public IShellPropSheetExt,
    public IShellExtInit
{
    private:
        LPITEMIDLIST pidl;
        IShellFolder *m_pFSFolders[RECYCLEBINMAXDRIVECOUNT];
        bool m_IsBackgroundMenu;
 
        IShellFolder* GetFSFolderForItem(LPCITEMIDLIST pidl);
 
    public:
        CRecycleBin();
        ~CRecycleBin();
        static inline REFCLSID GetClassID() { return CLSID_RecycleBin; }
 
        // IPersistFolder
        STDMETHOD(GetClassID)(CLSID *pClassID) override;
        STDMETHOD(Initialize)(PCIDLIST_ABSOLUTE pidl) override;
 
        // IPersistFolder2
        STDMETHOD(GetCurFolder)(PIDLIST_ABSOLUTE * pidl) override;
 
        // IShellFolder
        STDMETHOD(ParseDisplayName)(HWND hwndOwner, LPBC pbc, LPOLESTR lpszDisplayName, DWORD *pchEaten, PIDLIST_RELATIVE *ppidl, DWORD *pdwAttributes) override;
        STDMETHOD(EnumObjects)(HWND hwndOwner, DWORD dwFlags, LPENUMIDLIST *ppEnumIDList) override;
        STDMETHOD(BindToObject)(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut) override;
        STDMETHOD(BindToStorage)(PCUIDLIST_RELATIVE pidl, LPBC pbcReserved, REFIID riid, LPVOID *ppvOut) override;
        STDMETHOD(CompareIDs)(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2) override;
        STDMETHOD(CreateViewObject)(HWND hwndOwner, REFIID riid, LPVOID *ppvOut) override;
        STDMETHOD(GetAttributesOf)(UINT cidl, PCUITEMID_CHILD_ARRAY apidl, DWORD *rgfInOut) override;
        STDMETHOD(GetUIObjectOf)(HWND hwndOwner, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, REFIID riid, UINT * prgfInOut, LPVOID * ppvOut) override;
        STDMETHOD(GetDisplayNameOf)(PCUITEMID_CHILD pidl, DWORD dwFlags, LPSTRRET strRet) override;
        STDMETHOD(SetNameOf)(HWND hwndOwner, PCUITEMID_CHILD pidl, LPCOLESTR lpName, DWORD dwFlags, PITEMID_CHILD *pPidlOut) override;
 
        // IShellFolder2
        STDMETHOD(GetDefaultSearchGUID)(GUID *pguid) override;
        STDMETHOD(EnumSearches)(IEnumExtraSearch **ppenum) override;
        STDMETHOD(GetDefaultColumn)(DWORD dwRes, ULONG *pSort, ULONG *pDisplay) override;
        STDMETHOD(GetDefaultColumnState)(UINT iColumn, DWORD *pcsFlags) override;
        STDMETHOD(GetDetailsEx)(PCUITEMID_CHILD pidl, const SHCOLUMNID *pscid, VARIANT *pv) override;
        STDMETHOD(GetDetailsOf)(PCUITEMID_CHILD pidl, UINT iColumn, SHELLDETAILS *psd) override;
        STDMETHOD(MapColumnToSCID)(UINT column, SHCOLUMNID *pscid) override;
 
        // IContextMenu
        STDMETHOD(QueryContextMenu)(HMENU hMenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags) override;
        STDMETHOD(InvokeCommand)(LPCMINVOKECOMMANDINFO lpcmi) override;
        STDMETHOD(GetCommandString)(UINT_PTR idCommand, UINT uFlags, UINT *lpReserved, LPSTR lpszName, UINT uMaxNameLen) override;
 
        // IShellPropSheetExt
        STDMETHOD(AddPages)(LPFNSVADDPROPSHEETPAGE pfnAddPage, LPARAM lParam) override;
        STDMETHOD(ReplacePage)(EXPPS uPageID, LPFNSVADDPROPSHEETPAGE pfnReplaceWith, LPARAM lParam) override;
 
        // IShellExtInit
        STDMETHOD(Initialize)(PCIDLIST_ABSOLUTE pidlFolder, IDataObject *pdtobj, HKEY hkeyProgID) override;
 
        DECLARE_REGISTRY_RESOURCEID(IDR_RECYCLEBIN)
        DECLARE_NOT_AGGREGATABLE(CRecycleBin)
 
        DECLARE_PROTECT_FINAL_CONSTRUCT()
 
        BEGIN_COM_MAP(CRecycleBin)
        COM_INTERFACE_ENTRY_IID(IID_IPersistFolder, IPersistFolder)
        COM_INTERFACE_ENTRY_IID(IID_IPersistFolder2, IPersistFolder2)
        COM_INTERFACE_ENTRY_IID(IID_IShellFolder, IShellFolder)
        COM_INTERFACE_ENTRY_IID(IID_IShellFolder2, IShellFolder2)
        COM_INTERFACE_ENTRY_IID(IID_IContextMenu, IContextMenu)
        COM_INTERFACE_ENTRY_IID(IID_IShellPropSheetExt, IShellPropSheetExt)
        COM_INTERFACE_ENTRY_IID(IID_IShellExtInit, IShellExtInit)
        END_COM_MAP()
};
 
#endif /* _SHFLDR_RECYCLEBIN_H_ */