windows-nt/Source/XPSP1/NT/shell/ext/occache/item.h

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2020-09-26 03:20:57 -05:00
#ifndef __CONTROL_ITEM__
#define __CONTROL_ITEM__
#include "folder.h"
#include "cdlbsc.hpp"
class CControlItem : public IDataObject,
public IExtractIcon,
public IContextMenu
{
// CControlItem interfaces
friend HRESULT ControlFolderView_DidDragDrop(
HWND hwnd,
IDataObject *pdo,
DWORD dwEffect);
public:
CControlItem();
HRESULT Initialize(
CControlFolder *pCFolder,
UINT cidl,
LPCITEMIDLIST *ppidl);
// IUnknown Methods
STDMETHODIMP QueryInterface(REFIID,void **);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
// IContextMenu Methods
STDMETHODIMP QueryContextMenu(
HMENU hmenu,
UINT indexMenu,
UINT idCmdFirst,
UINT idCmdLast,
UINT uFlags);
STDMETHODIMP InvokeCommand(LPCMINVOKECOMMANDINFO lpici);
STDMETHODIMP GetCommandString(
UINT_PTR idCmd,
UINT uType,
UINT *pwReserved,
LPTSTR pszName,
UINT cchMax);
// IDataObject Methods...
STDMETHODIMP GetData(LPFORMATETC pFEIn, LPSTGMEDIUM pSTM);
STDMETHODIMP GetDataHere(LPFORMATETC pFE, LPSTGMEDIUM pSTM);
STDMETHODIMP QueryGetData(LPFORMATETC pFE);
STDMETHODIMP GetCanonicalFormatEtc(LPFORMATETC pFEIn, LPFORMATETC pFEOut);
STDMETHODIMP SetData(LPFORMATETC pFE, LPSTGMEDIUM pSTM, BOOL fRelease);
STDMETHODIMP EnumFormatEtc(DWORD dwDirection, LPENUMFORMATETC *ppEnum);
STDMETHODIMP DAdvise(LPFORMATETC pFE, DWORD grfAdv, LPADVISESINK pAdvSink,
LPDWORD pdwConnection);
STDMETHODIMP DUnadvise(DWORD dwConnection);
STDMETHODIMP EnumDAdvise(LPENUMSTATDATA *ppEnum);
// IDataObject helper functions
HRESULT CreatePrefDropEffect(STGMEDIUM *pSTM);
HRESULT Remove(HWND hwnd);
/*
HRESULT _CreateHDROP(STGMEDIUM *pmedium);
HRESULT _CreateNameMap(STGMEDIUM *pmedium);
HRESULT _CreateFileDescriptor(STGMEDIUM *pSTM);
HRESULT _CreateFileContents(STGMEDIUM *pSTM, LONG lindex);
HRESULT _CreateURL(STGMEDIUM *pSTM);
HRESULT _CreatePrefDropEffect(STGMEDIUM *pSTM);
*/
// IExtractIcon Methods
STDMETHODIMP GetIconLocation(
UINT uFlags,
LPSTR szIconFile,
UINT cchMax,
int *piIndex,
UINT *pwFlags);
STDMETHODIMP Extract(
LPCSTR pszFile,
UINT nIconIndex,
HICON *phiconLarge,
HICON *phiconSmall,
UINT nIconSize);
// Support for our progress UI
static INT_PTR DlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam);
// Misc helper function
static BOOL IsGlobalOffline();
protected:
~CControlItem();
HRESULT Update(LPCMINVOKECOMMANDINFO pici, LPCONTROLPIDL pcpidl);
UINT m_cRef; // reference count
UINT m_cItems; // number of items we represent
CControlFolder* m_pCFolder; // back pointer to our shell folder
LPCONTROLPIDL* m_ppcei; // variable size array of items
LPCMINVOKECOMMANDINFO m_piciUpdate;
LPCONTROLPIDL m_pcpidlUpdate;
CodeDownloadBSC *m_pcdlbsc;
};
#endif