Source code of Windows XP (NT5)
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1997 - 1999
//
// File: volclean.h
//
//--------------------------------------------------------------------------
#ifndef _VOLFREE_H_
#define _VOLFREE_H_
#include "purge.h"
class CCscVolumeCleaner : public IEmptyVolumeCache2
{
LONG m_cRef;
BOOL m_fPinned; // TRUE if this instance frees pinned files, FALSE for auto-cached files
CCachePurger *m_pPurger;
LPEMPTYVOLUMECACHECALLBACK m_pDiskCleaner;
DWORDLONG m_dwlSpaceToFree;
DWORDLONG m_dwlSpaceFreed;
CCachePurgerSel m_PurgerSel;
public:
CCscVolumeCleaner(BOOL fPinned) : m_cRef(1), m_fPinned(fPinned), m_pPurger(NULL),
m_pDiskCleaner(NULL), m_dwlSpaceToFree(0), m_dwlSpaceFreed(0)
{
DllAddRef();
}
~CCscVolumeCleaner()
{
delete m_pPurger;
DllRelease();
}
static HRESULT WINAPI CreateInstance(REFIID riid, LPVOID *ppv);
static HRESULT WINAPI CreateInstance2(REFIID riid, LPVOID *ppv);
// IUnknown methods
STDMETHODIMP QueryInterface(REFIID, LPVOID FAR *);
STDMETHODIMP_(ULONG) AddRef();
STDMETHODIMP_(ULONG) Release();
// IEmptyVolumeCache methods
STDMETHODIMP Initialize(HKEY hkRegKey,
LPCWSTR pcwszVolume,
LPWSTR *ppwszDisplayName,
LPWSTR *ppwszDescription,
LPDWORD pdwFlags);
STDMETHODIMP GetSpaceUsed(DWORDLONG *pdwlSpaceUsed,
LPEMPTYVOLUMECACHECALLBACK picb);
STDMETHODIMP Purge(DWORDLONG dwlSpaceToFree,
LPEMPTYVOLUMECACHECALLBACK picb);
STDMETHODIMP ShowProperties(HWND hwnd);
STDMETHODIMP Deactivate(LPDWORD pdwFlags);
// IEmptyVolumeCache methods
STDMETHODIMP InitializeEx(HKEY hkRegKey,
LPCWSTR pcwszVolume,
LPCWSTR pcwszKeyName,
LPWSTR *ppwszDisplayName,
LPWSTR *ppwszDescription,
LPWSTR *ppwszBtnText,
LPDWORD pdwFlags);
private:
BOOL ScanCallback(CCachePurger *pPurger);
BOOL DeleteCallback(CCachePurger *pPurger);
static BOOL CALLBACK CachePurgerCallback(CCachePurger *pPurger);
static HRESULT WINAPI Create(BOOL fPinned, REFIID riid, LPVOID *ppv);
};
typedef CCscVolumeCleaner *PCSCVOLCLEANER;
#endif // _VOLFREE_H_