409 lines
14 KiB
C
409 lines
14 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1999
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//
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// File: folder.h
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//
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//--------------------------------------------------------------------------
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#ifndef _INC_CSCUI_FOLDER_H
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#define _INC_CSCUI_FOLDER_H
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#include <shellp.h> // IShellDetails
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#include <shlguidp.h> // IShellFolderViewCb
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#include <shlwapip.h> // QITAB, QISearch
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#include <shsemip.h> // ILFree(), etc
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#include <sfview.h>
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#include <comctrlp.h>
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#include "util.h"
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STDAPI_(void) DllAddRef(void);
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STDAPI_(void) DllRelease(void);
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#define OLID_SIG 0x4444
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#pragma pack(1)
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// PIDL format for CSC cache non leaf items...
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typedef struct
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{
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USHORT cb; // Total size of IDList.
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USHORT uSig; // IDList signature.
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DWORD cbFixed; // Fixed size of IDList.
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DWORD dwFileAttributes; // Win32 file attributes.
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DWORD dwStatus; // CSC file/folder status flags.
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DWORD dwServerStatus; // CSC server status flags.
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DWORD dwPinCount; // CSC pin count.
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DWORD dwHintFlags; // CSC "hint" flags.
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DWORD dwFileSizeHigh; // Win32 file size.
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DWORD dwFileSizeLow;
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FILETIME ft; // Last write time (from CSC).
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DWORD cchNameOfs; // Offset of name part from szPath[0].
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TCHAR szPath[0]; // path<nul>name<nul> (variable length).
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} OLID;
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typedef UNALIGNED OLID *LPOLID;
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typedef const UNALIGNED OLID *LPCOLID;
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#pragma pack()
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class COfflineFilesEnum; // forward
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class COfflineFilesViewCallback;
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class COfflineDetails;
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class COfflineItemsData;
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class COfflineItems;
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class CFolderCache;
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//----------------------------------------------------------------------------
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// CFileTypeCache
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//----------------------------------------------------------------------------
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class CFileTypeCache
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{
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public:
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explicit CFileTypeCache(int cBuckets);
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~CFileTypeCache(void);
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HRESULT GetTypeName(
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LPCTSTR pszPath,
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DWORD dwFileAttributes,
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LPTSTR pszDest,
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int cchDest);
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private:
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class CEntry
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{
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public:
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CEntry(LPCTSTR pszExt, LPCTSTR pszTypeName);
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~CEntry(void);
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void SetNext(CEntry *pNext)
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{ m_pNext = pNext; }
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CEntry *Next(void) const
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{ return m_pNext; }
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int CompareExt(LPCTSTR pszExt) const
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{ return lstrcmpi(m_pszExt, pszExt); }
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LPCTSTR TypeName(void) const
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{ return m_pszTypeName; }
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bool IsValid(void) const
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{ return (NULL != m_pszExt) && (NULL != m_pszTypeName); }
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private:
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LPTSTR m_pszExt;
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LPTSTR m_pszTypeName;
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CEntry *m_pNext; // Next in hash bucket.
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//
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// Prevent copy.
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//
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CEntry(const CEntry& rhs);
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CEntry& operator = (const CEntry& rhs);
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};
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int m_cBuckets;
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CEntry **m_prgBuckets;
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CRITICAL_SECTION m_cs;
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int Hash(LPCTSTR pszExt);
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CEntry *Lookup(LPCTSTR pszExt);
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HRESULT Add(LPCTSTR pszExt, LPCTSTR pszTypeName);
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void Lock(void)
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{ EnterCriticalSection(&m_cs); }
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void Unlock(void)
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{ LeaveCriticalSection(&m_cs); }
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//
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// Prevent copy.
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//
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CFileTypeCache(const CFileTypeCache& rhs);
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CFileTypeCache& operator = (const CFileTypeCache& rhs);
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};
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STDAPI COfflineFilesFolder_CreateInstance(REFIID riid, void **ppv);
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class COfflineFilesFolder : public IPersistFolder2,
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IShellFolder,
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IShellIcon,
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IShellIconOverlay
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{
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public:
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static HRESULT WINAPI CreateInstance(REFIID riid, void **ppv);
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static INT Open(void);
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static HRESULT CreateIDList(LPITEMIDLIST *ppidl);
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static HRESULT IdentifyIDList(LPCITEMIDLIST pidl);
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static HRESULT CreateLinkOnDesktop(HWND hwndParent);
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static HRESULT IsLinkOnDesktop(HWND hwndParent, LPTSTR pszPathOut, UINT cchPathOut);
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static HRESULT GetFolder(IShellFolder **ppsf);
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// IUnknown
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STDMETHOD(QueryInterface)(REFIID riid, void **ppv);
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STDMETHOD_(ULONG, AddRef)();
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STDMETHOD_(ULONG, Release)();
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// IShellFolder
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STDMETHOD(ParseDisplayName)(HWND hwnd, LPBC pbc, LPOLESTR pDisplayName,
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ULONG *pchEaten, LPITEMIDLIST *ppidl, ULONG *pdwAttributes);
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STDMETHOD(EnumObjects)(HWND hwnd, DWORD grfFlags, IEnumIDList **ppEnumIDList);
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STDMETHOD(BindToObject)(LPCITEMIDLIST pidl, LPBC pbc, REFIID riid, void **ppvOut);
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STDMETHOD(BindToStorage)(LPCITEMIDLIST pidl, LPBC pbc, REFIID riid, void **ppvObj);
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STDMETHOD(CompareIDs)(LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2);
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STDMETHOD(CreateViewObject)(HWND hwnd, REFIID riid, void **ppvOut);
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STDMETHOD(GetAttributesOf)(UINT cidl, LPCITEMIDLIST * apidl, ULONG * rgfInOut);
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STDMETHOD(GetUIObjectOf)(HWND hwnd, UINT cidl, LPCITEMIDLIST * apidl, REFIID riid, UINT * prgfInOut, void **ppvOut);
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STDMETHOD(GetDisplayNameOf)(LPCITEMIDLIST pidl, DWORD uFlags, STRRET *pName);
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STDMETHOD(SetNameOf)(HWND hwnd, LPCITEMIDLIST pidl, LPCOLESTR pszName, DWORD uFlags, LPITEMIDLIST* ppidlOut);
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// IPersist
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STDMETHOD(GetClassID)(LPCLSID pClassID);
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// IPersistFolder
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STDMETHOD(Initialize)(LPCITEMIDLIST pidl);
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// IPersistFolder2
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STDMETHOD(GetCurFolder)(LPITEMIDLIST *pidl);
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// IShellIcon
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STDMETHOD(GetIconOf)(LPCITEMIDLIST pidl, UINT gil, int *pnIcon);
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// IShellIconOverlay
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STDMETHOD(GetOverlayIndex)(LPCITEMIDLIST pidl, int * pIndex);
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STDMETHOD(GetOverlayIconIndex)(LPCITEMIDLIST pidl, int * pIconIndex);
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static bool ValidateIDList(LPCITEMIDLIST pidl);
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private:
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friend COfflineFilesEnum;
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friend COfflineFilesViewCallback;
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friend COfflineDetails;
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friend COfflineItemsData;
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friend COfflineItems;
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friend CFolderCache;
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friend HRESULT COfflineFilesFolder_CreateInstance(REFIID riid, void **ppv);
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COfflineFilesFolder();
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~COfflineFilesFolder();
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void _GetSyncStatusString(LPCOLID polid, LPTSTR pszStatus, UINT cchStatus);
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void _GetPinStatusString(LPCOLID polid, LPTSTR pszStatus, UINT cchStatus);
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void _GetServerStatusString(LPCOLID polid, LPTSTR pszStatus, UINT cchStatus);
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void _GetTypeString(LPCOLID polid, LPTSTR pszType, UINT cchType);
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void _GetAccessString(LPCOLID polid, LPTSTR pszAccess, UINT cchAccess);
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HRESULT GetAssociations(LPCOLID polid, void **ppvQueryAssociations);
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BOOL GetClassKey(LPCOLID polid, HKEY *phkeyProgID, HKEY *phkeyBaseID);
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static LPCOLID _Validate(LPCITEMIDLIST pidl);
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static HRESULT IsOurLink(LPCTSTR pszFile);
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static HRESULT _BindToObject(IShellFolder *psf, REFIID riid, LPCITEMIDLIST pidl, void **ppvOut);
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static HRESULT ContextMenuCB(IShellFolder *psf, HWND hwndOwner, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam);
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static LPCTSTR OLID_GetPath(LPCOLID polid, LPTSTR pszPath, UINT cchPath);
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static LPCTSTR OLID_GetFullPath(LPCOLID polid, LPTSTR pszPath, UINT cchPath);
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static LPCTSTR OLID_GetFileName(LPCOLID polid, LPTSTR pszName, UINT cchName);
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static HRESULT OLID_CreateFromUNCPath(LPCTSTR pszPath, const WIN32_FIND_DATA *pfd, DWORD dwStatus, DWORD dwPinCount, DWORD dwHintFlags, DWORD dwServerStatus, LPOLID *ppolid);
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static void OLID_GetWin32FindData(LPCOLID polid, WIN32_FIND_DATA *pfd);
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static void OLID_CombinePathAndName(LPOLID polid);
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static void OLID_SplitPathAndName(LPOLID polid);
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static HRESULT OLID_Bind(LPCOLID polid, REFIID riid, void **ppv, LPITEMIDLIST *ppidlFull, LPCITEMIDLIST *ppidlItem);
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static HRESULT OLID_CreateSimpleIDList(LPCOLID polid, LPITEMIDLIST *ppidlOut);
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LONG _cRef;
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LPITEMIDLIST _pidl;
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IShellFolderViewCB *_psfvcb;
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CFileTypeCache m_FileTypeCache;
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};
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//
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// This class represents a simple cache of CSC status bits for each
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// server in the CSC cache. The reason we need this is sort of bogus
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// but we have no control over it. When enumerating shares in the CSC
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// database, shares on the same server might not return the same online-offline
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// status depending on if the share really has a connection or not. The
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// problem is that in the network redirector an entire server is either
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// online or offline. We display "server" status in the UI so we need to
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// merge the status information from each share in the database so that
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// we have status information for each server. Clear as mud? This cache
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// implements that merging of information so that all a client (i.e. the
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// enum code) has to do is call GetServerStatus() with a given UNC path and
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// they'll get the status we should be reporting for that path's server.
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//
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class CServerStatusCache
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{
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public:
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CServerStatusCache(void)
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: m_hdpa(NULL) { }
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~CServerStatusCache(void);
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//
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// This is the only public API for this class. When it's
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// called for the first time, the cache is populated. Therefore,
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// you can create a cache object but you're not charged much
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// until you need to use it.
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//
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DWORD GetServerStatus(LPCTSTR pszUNC);
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private:
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//
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// A single entry in the cache.
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//
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class CEntry
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{
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public:
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CEntry(LPCTSTR pszServer, DWORD dwStatus);
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~CEntry(void);
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void AddStatus(DWORD dwStatus)
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{ m_dwStatus |= dwStatus; }
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DWORD GetStatus(void) const
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{ return m_dwStatus; }
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LPCTSTR GetServer(void) const
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{ return m_pszServer; }
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bool IsValid(void) const
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{ return NULL != m_pszServer; }
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private:
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LPTSTR m_pszServer;
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DWORD m_dwStatus;
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//
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// Prevent copy.
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//
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CEntry(const CEntry& rhs);
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CEntry& operator = (const CEntry& rhs);
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};
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HDPA m_hdpa; // The DPA for holding entries.
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bool AddShareStatus(LPCTSTR pszShare, DWORD dwShareStatus);
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CEntry *FindEntry(LPCTSTR pszShare);
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LPTSTR ServerFromUNC(LPCTSTR pszShare, LPTSTR pszServer, UINT cchServer);
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//
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// Prevent copy.
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//
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CServerStatusCache(const CServerStatusCache& rhs);
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CServerStatusCache& operator = (const CServerStatusCache& rhs);
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};
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class COfflineFilesEnum : public IEnumIDList
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{
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public:
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COfflineFilesEnum(DWORD grfFlags, COfflineFilesFolder *pfolder);
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bool IsValid(void) const;
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// IUnknown Methods
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STDMETHODIMP QueryInterface(REFIID,void **);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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// IEnumIDList Methods
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STDMETHODIMP Next(ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched);
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STDMETHODIMP Skip(ULONG celt);
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STDMETHODIMP Reset();
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STDMETHODIMP Clone(IEnumIDList **ppenum);
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protected:
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//
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// Element of the folder path stack. (_hdsaFolderPaths).
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// Includes length to reduce length calculations.
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//
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struct FolderPathInfo
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{
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DWORD cchPath; // Chars in path including nul term.
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LPTSTR pszPath; // Folder path string.
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};
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~COfflineFilesEnum();
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LONG _cRef; // ref count
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COfflineFilesFolder *_pfolder; // this is what we enumerate
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UINT _grfFlags; // enumeration flags
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CCscFindHandle _hEnumShares;
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CCscFindHandle _hEnum;
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HDSA _hdsaFolderPathInfo; // A stack of FolderPathInfo.
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LPTSTR _pszPath; // Dynamic scratch buffer for paths.
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INT _cchPathBuf; // Current length of _pszPath buffer.
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DWORD _dwServerStatus; // dwStatus flags for current server.
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CServerStatusCache _ServerStatusCache;
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bool _bShowSuperHiddenFiles;
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bool _bShowHiddenFiles;
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bool _bUserIsAdmin;
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private:
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bool PopFolderPathInfo(FolderPathInfo *pfpi);
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bool PushFolderPathInfo(const FolderPathInfo& fpi)
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{ return (-1 != DSA_AppendItem(_hdsaFolderPathInfo, (LPVOID)&fpi)); }
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bool SaveFolderPath(LPCTSTR pszRoot, LPCTSTR pszFolder);
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bool Exclude(const CscFindData& cscfd);
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|
||
|
|
bool OkToEnumFolder(const CscFindData& cscfd);
|
||
|
|
|
||
|
|
bool UserHasAccess(const CscFindData& cscfd);
|
||
|
|
|
||
|
|
HRESULT GrowPathBuffer(INT cchRequired, INT cchExtra);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
// Delete handler
|
||
|
|
//
|
||
|
|
// This class packages up the operation of deleting a selection of files
|
||
|
|
// from the folder view. These methods could easily be made members of
|
||
|
|
// the COfflineFilesFolder class. I think the separation is reasonable.
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
class CFolderDeleteHandler
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
CFolderDeleteHandler(HWND hwndParent, IDataObject *pdtobj, IShellFolderViewCB *psfvcb);
|
||
|
|
~CFolderDeleteHandler(void);
|
||
|
|
|
||
|
|
HRESULT DeleteFiles(void);
|
||
|
|
|
||
|
|
private:
|
||
|
|
HWND m_hwndParent;// Parent for any UI.
|
||
|
|
IDataObject *m_pdtobj; // Data object containing IDArray.
|
||
|
|
IShellFolderViewCB *m_psfvcb; // View callback for view notifications.
|
||
|
|
|
||
|
|
static INT_PTR ConfirmDeleteFilesDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
|
||
|
|
static INT_PTR ConfirmDeleteModifiedFileDlgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
|
||
|
|
bool ConfirmDeleteFiles(HWND hwndParent);
|
||
|
|
bool ConfirmDeleteModifiedFile(HWND hwndParent, LPCTSTR pszFile, bool *pbNoToAll, bool *pbCancel);
|
||
|
|
bool FileModifiedOffline(LPCTSTR pszFile);
|
||
|
|
bool OthersHaveAccess(LPCTSTR pszFile);
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
CreateOfflineFilesContextMenu(
|
||
|
|
IDataObject *pdtobj,
|
||
|
|
REFIID riid,
|
||
|
|
void **ppv);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif // _INC_CSCUI_FOLDER_H
|