289 lines
13 KiB
C++
289 lines
13 KiB
C++
#ifndef _DESKSTAT_H_
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#define _DESKSTAT_H_
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#include "mshtml.h"
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// NOTE: This is NOT a IE4COMPONENTA struct, it is a IE4COMPONENTT struct.
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// Note: This is the old COMPONENTA structure used in IE4. It is kept here for compatibility.
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typedef struct _tagIE4COMPONENTA
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{
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DWORD dwSize;
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DWORD dwID; //Don't make this DWORD_PTR. The public version of this struct uses DWORD here.
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int iComponentType;
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BOOL fChecked;
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BOOL fDirty;
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BOOL fNoScroll;
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COMPPOS cpPos;
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TCHAR szFriendlyName[MAX_PATH];
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TCHAR szSource[INTERNET_MAX_URL_LENGTH];
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TCHAR szSubscribedURL[INTERNET_MAX_URL_LENGTH];
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} IE4COMPONENTA;
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typedef IE4COMPONENTA *LPIE4COMPONENTA;
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typedef const IE4COMPONENTA *LPCIE4COMPONENTA;
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// NOTE: This is NOT a COMPONENTA struct, it is a COMPONENTT struct.
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// Note: This is the new NT5 COMPONENT structure. The old component structure is kept at the
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// begining of this struct and the new fields are added at the end. The dwSize field is used to
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// distinguish between the old and new structures.
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//
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typedef struct _tagCOMPONENTA
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{
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DWORD dwSize;
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DWORD dwID; //Don't make this DWORD_PTR. The public version of this struct uses DWORD here.
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int iComponentType;
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BOOL fChecked;
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BOOL fDirty;
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BOOL fNoScroll;
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COMPPOS cpPos;
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TCHAR szFriendlyName[MAX_PATH];
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TCHAR szSource[INTERNET_MAX_URL_LENGTH];
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TCHAR szSubscribedURL[INTERNET_MAX_URL_LENGTH];
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// Add the new fields below this point. Everything above must exactly match the
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// old IE4COMPONENTA structure for compatibility.
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DWORD dwCurItemState;
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COMPSTATEINFO csiOriginal;
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COMPSTATEINFO csiRestored;
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} COMPONENTA;
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typedef COMPONENTA *LPCOMPONENTA;
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typedef const COMPONENTA *LPCCOMPONENTA;
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typedef struct _tagTAGENTRYA
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{
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LPCSTR pszTag;
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BOOL fSkipPast;
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} TAGENTRYA;
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typedef struct _tagTAGENTRYW
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{
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LPCWSTR pwszTag;
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BOOL fSkipPast;
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} TAGENTRYW;
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#define c_wszNULL (L"")
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//The following are the possible values for _iCharset field of CReadFileObj
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#define ANSI_HTML_CHARSET 1
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#define UNICODE_HTML_CHARSET 2
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//
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// The following class implements a uniform way to read chars from an ANSI or UNICODE file.
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//
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class CReadFileObj
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{
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friend class CActiveDesktop;
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private:
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HANDLE _hFile; //File handle
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int _iCharset; //ANSI_HTML_CHARSET or UNICODE_HTML_CHARSET
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public:
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//Constructor
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CReadFileObj(LPCTSTR lpszFileName);
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//Destructor
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~CReadFileObj();
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//Reads the given number of ansi characters, if an ansi file.
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HRESULT FileReadCharsA(LPSTR lpszBuff, UINT uiCharsToRead, UINT *puiCharsActuallyRead);
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//Reads the given number of UNICODE characters, if a UNICODE file.
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HRESULT FileReadCharsW(LPWSTR lpwszBuff, UINT uiCharsToRead, UINT *puiCharsActuallyRead);
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//Reads the given number of characters, and convert them if necessary to ANSI or UNICODE based on destCharset.
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HRESULT FileReadAndConvertChars(int iDestCharset, LPWSTR lpwszBuff, UINT uiCharsToRead, UINT *puiCharsActuallyRead, UINT *puiCharsConverted);
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//Seeks to a given character offset (not byte offset).
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HRESULT FileSeekChars(LONG lCharOffset, DWORD dwOrigin);
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//Gets the offset of the current file pointer from the begining of the file.
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HRESULT FileGetCurCharOffset(LONG *plCharOffset);
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};
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interface IShellImageDataFactory;
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class CActiveDesktop : public IActiveDesktop, IActiveDesktopP, IADesktopP2, IPropertyBag
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{
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public:
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// *** IUnknown ***
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virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID *ppvObj);
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virtual STDMETHODIMP_(ULONG) AddRef(void);
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virtual STDMETHODIMP_(ULONG) Release(void);
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// *** IActiveDesktop ***
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virtual STDMETHODIMP ApplyChanges(DWORD dwFlags);
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virtual STDMETHODIMP GetWallpaper(LPWSTR pwszWallpaper, UINT cchWallpaper, DWORD dwReserved);
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virtual STDMETHODIMP SetWallpaper(LPCWSTR pwszWallpaper, DWORD dwReserved);
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virtual STDMETHODIMP GetWallpaperOptions(LPWALLPAPEROPT pwpo, DWORD dwReserved);
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virtual STDMETHODIMP SetWallpaperOptions(LPCWALLPAPEROPT pwpo, DWORD dwReserved);
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virtual STDMETHODIMP GetPattern(LPWSTR pwszPattern, UINT cchPattern, DWORD dwReserved);
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virtual STDMETHODIMP SetPattern(LPCWSTR pszPattern, DWORD dwReserved);
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virtual STDMETHODIMP GetDesktopItemOptions(LPCOMPONENTSOPT pco, DWORD dwReserved);
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virtual STDMETHODIMP SetDesktopItemOptions(LPCCOMPONENTSOPT pco, DWORD dwReserved);
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virtual STDMETHODIMP AddDesktopItem(LPCCOMPONENT pcomp, DWORD dwReserved);
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virtual STDMETHODIMP AddDesktopItemWithUI(HWND hwnd, LPCOMPONENT pcomp, DWORD dwReserved);
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virtual STDMETHODIMP ModifyDesktopItem(LPCCOMPONENT pcomp, DWORD dwFlags);
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virtual STDMETHODIMP RemoveDesktopItem(LPCCOMPONENT pcomp, DWORD dwReserved);
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virtual STDMETHODIMP GetDesktopItemCount(LPINT lpiCount, DWORD dwReserved);
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virtual STDMETHODIMP GetDesktopItem(int nComponent, LPCOMPONENT pcomp, DWORD dwReserved);
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virtual STDMETHODIMP GetDesktopItemByID(ULONG_PTR dwID, LPCOMPONENT pcomp, DWORD dwReserved);
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virtual STDMETHODIMP GenerateDesktopItemHtml(LPCWSTR pwszFileName, LPCOMPONENT pcomp, DWORD dwReserved);
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virtual STDMETHODIMP AddUrl(HWND hwnd, LPCWSTR pszSource, LPCOMPONENT pcomp, DWORD dwFlags);
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virtual STDMETHODIMP GetDesktopItemBySource(LPCWSTR pszSource, LPCOMPONENT pcomp, DWORD dwReserved);
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// *** IActiveDesktopP ***
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virtual STDMETHODIMP SetSafeMode(DWORD dwFlags);
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virtual STDMETHODIMP EnsureUpdateHTML(void);
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virtual STDMETHODIMP SetScheme(LPCWSTR pwszSchemeName, DWORD dwFlags);
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virtual STDMETHODIMP GetScheme(LPWSTR pwszSchemeName, LPDWORD lpdwcchBuffer, DWORD dwFlags);
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// *** IADesktopP2 ***
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virtual STDMETHODIMP ReReadWallpaper(void);
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virtual STDMETHODIMP GetADObjectFlags(LPDWORD lpdwFlags, DWORD dwMask);
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virtual STDMETHODIMP UpdateAllDesktopSubscriptions();
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virtual STDMETHODIMP MakeDynamicChanges(IOleObject *pOleObj);
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// *** IPropertyBag ***
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virtual STDMETHODIMP Read(LPCOLESTR pszPropName, VARIANT *pVar, IErrorLog *pErrorLog);
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virtual STDMETHODIMP Write(LPCOLESTR pszPropName, VARIANT *pVar);
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//Some Ansi versions of the methods for Internal Use
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BOOL AddComponentPrivate(COMPONENTA *pcomp, DWORD dwID);
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BOOL UpdateComponentPrivate(int iIndex, COMPONENTA *pcomp);
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BOOL RemoveComponentPrivate(int iIndex, COMPONENTA *pcomp);
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BOOL GetComponentPrivate(int nComponent, COMPONENTA *pcomp);
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CActiveDesktop();
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protected:
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DWORD _cRef;
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DWORD _dwNextID;
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HDSA _hdsaComponent;
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TCHAR _szSelectedWallpaper[MAX_PATH];
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TCHAR _szSelectedWallpaperConverted[MAX_PATH];
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TCHAR _szBackupWallpaper[MAX_PATH];
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TCHAR _szSelectedPattern[MAX_PATH];
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LPTSTR _pszScheme;
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WALLPAPEROPT _wpo;
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COMPONENTSOPT _co;
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HANDLE _hFileHtml; //File handle of desktop.htt
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CReadFileObj* _pReadFileObjHtmlBkgd; //Object used to read the background html wallpaper
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int _iDestFileCharset; //Whether the dest file desktop.htt is ANSI or UNICODE.
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// used for the temp wallpaper
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LPWSTR _pszWallpaperInUse; // If using a temp file, keep the name in use so we don't stomp it while the user is previewing other files.
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FILETIME _ftLastWrite; // The date that the original file was last written to.
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LPTSTR _pszOrigLastApplied; // Same as _pszOriginalFile except it doesn't change until apply is pressed.
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// put the BOOLs together
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BOOL _fDirty;
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BOOL _fWallpaperDirty;
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BOOL _fWallpaperChangedDuringInit;
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BOOL _fPatternDirty;
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BOOL _fSingleItem;
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BOOL _fInitialized;
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BOOL _fNeedBodyEnd;
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BOOL _fNoDeskMovr;
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BOOL _fBackgroundHtml;
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IStream *_pStream; //To generate individual components.
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BOOL _fUseDynamicHtml; //Indicates if Dynamic Html can be used to make changes.
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BOOL _fPolicyForWPName; // A policy exists for the wallpaper to be used.
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BOOL _fPolicyForWPStyle; // A policy exists for the wallpaper style to be used.
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BOOL _fIgnoreAddRemovePolicies; //If this is set, ignore the policy to add remove items.
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~CActiveDesktop();
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int _FindComponentIndexByID(DWORD dwID);
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int _FindComponentBySource(LPTSTR lpszSource, COMPONENTA *pComp);
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int _FindComponentBySrcUrl(LPTSTR lpszSrcUrl, COMPONENTA *pComp);
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void _ReadComponent(HKEY hkey, LPCTSTR pszComp);
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void _SortAndRationalize(void);
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void _ReadComponents(BOOL fActiveDesktop);
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void _ReadWallpaper(BOOL fActiveDesktop);
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void _ReadPattern(void);
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void _Initialize(void);
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void _SaveComponent(HKEY hkey, int iIndex, COMPONENTA *pcomp);
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void _SaveComponents(void);
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void _SaveWallpaper(void);
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void _SavePattern(DWORD dwFlags);
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void _SaveSettings(DWORD dwFlags);
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void _GenerateHtmlHeader(void);
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void _GenerateHtmlPicture(COMPONENTA *pcomp);
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void _GenerateHtmlDoc(COMPONENTA *pcomp);
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void _GenerateHtmlSite(COMPONENTA *pcomp);
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void _GenerateHtmlControl(COMPONENTA *pcomp);
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void _GenerateHtmlComponent(COMPONENTA *pcomp);
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void _GenerateHtmlFooter(void);
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void _GenerateHtml(void);
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void _WriteHtmlFromString(LPCTSTR psz);
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void _WriteHtmlFromId(UINT uid);
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void _WriteHtmlFromIdF(UINT uid, ...);
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void _WriteHtmlFromFile(LPCTSTR pszContents);
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void _WriteHtmlFromReadFileObj(CReadFileObj *pReadFileObj, int iOffsetStart, int iOffsetEnd);
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void _WriteResizeable(COMPONENTA *pcomp);
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void _WriteHtmlW(LPCWSTR pwstr, UINT cchToWrite, UINT *pcchWritten);
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int _ScanTagEntriesA(CReadFileObj *pReadFileObj, int iOffsetStart, TAGENTRYA *pte, int cte);
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int _ScanTagEntriesW(CReadFileObj *pReadFileObj, int iOffsetStart, TAGENTRYW *pte, int cte);
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int _ScanForTagA(CReadFileObj *pReadFileObj, int iOffsetStart, LPCSTR pwszTag);
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int _ScanForTagW(CReadFileObj *pReadFileObj, int iOffsetStart, LPCWSTR pwszTag);
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void _ParseAnsiInputHtmlFile(LPTSTR szSelectedWallpaper, int *piOffsetBase, int *piOffsetComp);
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HRESULT _CopyComponent(COMPONENTA *pCompDest, COMPONENTA *pCompSrc, DWORD dwFlags);
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HRESULT _ConvertFileToTempBitmap(IN LPWSTR pszFile, IN int cchSize);
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HRESULT _SaveTempWallpaperSettings(void);
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private:
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HRESULT _AddDTIWithUIPrivateA(HWND hwnd, LPCCOMPONENT pComp, DWORD dwFlags);
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BOOL _IsDisplayInSafeMode(void);
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// The following are used for manipulating ActiveDesktop using Dynamic HTML.
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HRESULT _InsertNewDesktopItems(IHTMLDocument2 *pDoc);
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HRESULT _UpdateDesktopItemHtmlElements(IHTMLDocument2 *pDoc);
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HRESULT _UpdateHtmlElement(IHTMLElement *pElem);
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BOOL _UpdateIdOfElement(IHTMLElement *pElem, LPCOMPONENTA lpCompA);
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void _UpdateStyleOfElement(IHTMLElement *pElem, LPCOMPONENTA lpCompA);
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void _GenerateHtmlBStrForComp(COMPONENTA *pComp, BSTR *pbstr);
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};
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extern IActiveDesktop *g_pActiveDesk;
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int GetIntFromSubkey(HKEY hKey, LPCTSTR lpszValueName, int iDefault);
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int GetIntFromReg(HKEY hKey, LPCTSTR lpszSubkey, LPCTSTR lpszNameValue, int iDefault);
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BOOL GetStringFromReg(HKEY hkey, LPCTSTR lpszSubkey, LPCTSTR lpszValueName, LPCTSTR lpszDefault, LPTSTR lpszValue, DWORD cchSizeofValueBuff);
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STDAPI CActiveDesktop_InternalCreateInstance(LPUNKNOWN * ppunk, REFIID riid);
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HRESULT GetPerUserFileName(LPTSTR pszOutputFileName, DWORD dwSize, LPTSTR pszPartialFileName);
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STDAPI CDeskHtmlProp_RegUnReg(BOOL bReg);
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//Function to convert components in either direction.
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void ConvertCompStruct(COMPONENTA *pCompDest, COMPONENTA *pCompSrc, BOOL fPubToPriv);
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void SetStateInfo(COMPSTATEINFO *pCompStateInfo, COMPPOS *pCompPos, DWORD dwItemState);
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#define MultiCompToWideComp(MultiComp, WideComp) ConvertCompStruct((COMPONENTA *)WideComp, MultiComp, FALSE)
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#define WideCompToMultiComp(WideComp, MultiComp) ConvertCompStruct(MultiComp, (COMPONENTA *)WideComp, TRUE)
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#define COMPONENT_TOP_WINDOWLESS (COMPONENT_TOP / 2)
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#define IsWindowLessComponent(pcomp) (((pcomp)->iComponentType == COMP_TYPE_PICTURE) || ((pcomp)->iComponentType == COMP_TYPE_HTMLDOC))
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#define COMPONENT_DEFAULT_WIDTH ((DWORD)-1)
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#define COMPONENT_DEFAULT_HEIGHT ((DWORD)-1)
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#define DESKMOVR_FILENAME TEXT("\\Web\\DeskMovr.htt")
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#define DESKTOPHTML_FILENAME TEXT("\\Microsoft\\Internet Explorer\\Desktop.htt")
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#define PATTERN_FILENAME TEXT("\\Microsoft\\Internet Explorer\\Pattern.bmp")
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#define SAVE_PATTERN_NAME 0x00000001
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#define GENERATE_PATTERN_FILE 0x00000002
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//Property names
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#define c_wszPropName_TSPerfBGPolicy L"TSConnectEvent"
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#define c_wszPropName_IgnorePolicies L"IgnorePolicies"
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#define SZ_REGKEY_ACTDESKTOP_TSPERFPOLICY TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Remote")
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#define SZ_REGVALUE_ACTDESKTOP_TSPERFPOLICY TEXT("ActiveDesktop")
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#define SZ_REGVDATE_ACTDESKTOP_TSPERFPOLICY TEXT("Force Blank")
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#define REGSTR_PATH_WP_POLICY REGSTR_PATH_POLICIES TEXT("\\") REGSTR_KEY_SYSTEM
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BOOL ReadPolicyForWallpaper(LPTSTR lpszPolicyForWallpaper, DWORD dwSizeofBuff);
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BOOL ReadPolicyForWPStyle(LPDWORD lpdwStyle);
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#endif // _DESKSTAT_H_
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