windows-nt/Source/XPSP1/NT/shell/shell32/defvphst.cpp
2020-09-26 16:20:57 +08:00

309 lines
8.8 KiB
C++

#include "shellprv.h"
#include <regstr.h>
#include <shellp.h>
#include "ole2dup.h"
#include "ids.h"
#include "defview.h"
#include <perhist.h>
#include "defvphst.h"
// Docfind Persistent history implemention.
STDMETHODIMP CDefViewPersistHistory::QueryInterface(REFIID riid, void **ppvObj)
{
static const QITAB qit[] = {
QITABENT(CDefViewPersistHistory, IPersistHistory), //IID_IPersistHistory
QITABENTMULTI(CDefViewPersistHistory, IPersist, IPersistHistory), //IID_IPersist
QITABENT(CDefViewPersistHistory, IObjectWithSite), //IID_IOBjectWithSite
QITABENT(CDefViewPersistHistory, IOleObject), // IID_IOleObject
{ 0 },
};
return QISearch(this, qit, riid, ppvObj);
}
STDMETHODIMP_(ULONG) CDefViewPersistHistory::AddRef()
{
return InterlockedIncrement(&m_cRef);
}
STDMETHODIMP_(ULONG) CDefViewPersistHistory::Release()
{
if (InterlockedDecrement(&m_cRef))
return m_cRef;
delete this;
return 0;
}
CDefViewPersistHistory::CDefViewPersistHistory() :
m_cRef(1)
{
}
CDefViewPersistHistory::~CDefViewPersistHistory()
{
}
STDAPI CDefViewPersistHistory_CreateInstance(IUnknown *punkOuter, REFIID riid, void **ppv)
{
HRESULT hr;
CDefViewPersistHistory *pdfph = new CDefViewPersistHistory();
if (!pdfph)
{
*ppv = NULL;
return E_OUTOFMEMORY;
}
hr = pdfph->QueryInterface(riid, ppv);
pdfph->Release();
return hr;
}
// Functions to support persisting the document into the history stream...
STDMETHODIMP CDefViewPersistHistory::GetClassID(CLSID *pClassID)
{
*pClassID = CLSID_DefViewPersistHistory;
return S_OK;
}
STDMETHODIMP CDefViewPersistHistory::LoadHistory(IStream *pstm, IBindCtx *pbc)
{
IShellView *psv;
if (_punkSite && SUCCEEDED(_punkSite->QueryInterface(IID_PPV_ARG(IShellView, &psv))))
{
UINT cItems = 0;
LPITEMIDLIST pidl = NULL; // don't free previous one
UINT uFlags = SVSI_FOCUSED | SVSI_SELECT | SVSI_DESELECTOTHERS | SVSI_ENSUREVISIBLE;
// read how many pidls we stored
pstm->Read(&cItems, sizeof(cItems), NULL);
// now read the pidls
for (UINT i=0; i < cItems ; i++)
{
if (FAILED(ILLoadFromStream(pstm, &pidl)) || (pidl == NULL))
break;
if (SUCCEEDED(psv->SelectItem(pidl, uFlags)))
uFlags = SVSI_SELECT;
}
if (pidl)
ILFree(pidl); // Free the last one read in
//
// If we are in webview mode, we need to load the Trident persist history too
//
IPersistHistory * piph;
if (SUCCEEDED(IUnknown_QueryService(_punkSite, SID_WebViewObject, IID_PPV_ARG(IPersistHistory, &piph))))
{
piph->LoadHistory(pstm, pbc);
piph->Release();
}
psv->Release();
}
return S_OK;
}
STDMETHODIMP CDefViewPersistHistory::SaveHistory(IStream *pstm)
{
IShellFolderView *psfv;
if (_punkSite && SUCCEEDED(_punkSite->QueryInterface(IID_PPV_ARG(IShellFolderView, &psfv))))
{
LPCITEMIDLIST *apidl;
UINT cItems;
// FEATURE: Currently this assumes the first item is focused. There are cases
// where we may have unslected the focused item and we are not saving this out here.
//
// Need to add GetFocusedObject() to IShellFolderView interface to query this
//
//
if (SUCCEEDED(psfv->GetSelectedObjects(&apidl, &cItems)) && cItems)
{
// write out how many pidls we have
pstm->Write(&cItems, sizeof(cItems), NULL);
// now write the pidls
for (UINT i = 0; i < cItems; i++)
{
if (apidl[i])
ILSaveToStream(pstm, apidl[i]);
}
LocalFree((HLOCAL)apidl);
}
else
{
cItems = 0;
pstm->Write(&cItems, sizeof(cItems), NULL);
}
//
// If we are in webview mode, we need to save the Trident persist history too
//
IPersistHistory * piph;
if (SUCCEEDED(IUnknown_QueryService(_punkSite, SID_WebViewObject, IID_PPV_ARG(IPersistHistory, &piph))))
{
piph->SaveHistory(pstm);
piph->Release();
}
psfv->Release();
}
return S_OK;
}
STDMETHODIMP CDefViewPersistHistory::SetPositionCookie(DWORD dwPositioncookie)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::SetPositionCookie - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::GetPositionCookie(DWORD *pdwPositioncookie)
{
*pdwPositioncookie = 0;
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::GetPositionCookie - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::SetClientSite(IOleClientSite *pClientSite)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::SetClientSite - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::GetClientSite(IOleClientSite **ppClientSite)
{
*ppClientSite = NULL;
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::GetClientSite - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::SetHostNames(LPCOLESTR szContainerApp, LPCOLESTR szContainerObj)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::SetHostNames - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::Close(DWORD dwSaveOption)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::Close - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::SetMoniker(DWORD dwWhichMoniker, IMoniker *pmk)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::SetMoniker - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::GetMoniker(DWORD dwAssign, DWORD dwWhichMoniker, IMoniker **ppmk)
{
*ppmk = NULL;
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::GetMoniker - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::InitFromData(IDataObject *pDataObject,BOOL fCreation,DWORD dwReserved)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::InitFromData - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::GetClipboardData(DWORD dwReserved,IDataObject **ppDataObject)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::GetClipboardData - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::DoVerb(LONG iVerb,LPMSG lpmsg,IOleClientSite *pActiveSite,LONG lindex,HWND hwndParent,LPCRECT lprcPosRect)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::DoVerb - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::EnumVerbs(IEnumOLEVERB **ppEnumOleVerb)
{
*ppEnumOleVerb = NULL;
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::EnumVerbs - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::Update(void)
{
// Always up to date.
return S_OK;
}
STDMETHODIMP CDefViewPersistHistory::IsUpToDate(void)
{
return S_OK; // say we are alwayes up to date.
}
STDMETHODIMP CDefViewPersistHistory::GetUserClassID(CLSID *pClsid)
{
return GetClassID(pClsid);
}
STDMETHODIMP CDefViewPersistHistory::GetUserType(DWORD dwFormOfType, LPOLESTR *pszUserType)
{
*pszUserType = NULL;
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::GetUserType - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::SetExtent(DWORD dwDrawAspect, SIZEL *psizel)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::SetExtent - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::GetExtent(DWORD dwDrawAspect, SIZEL *psizel)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::GetExtent - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::Advise(IAdviseSink *pAdvSink, DWORD *pdwConnection)
{
*pdwConnection = 0;
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::Advise - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::Unadvise(DWORD dwConnection)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::Unadvise - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::EnumAdvise(IEnumSTATDATA **ppenumAdvise)
{
*ppenumAdvise = NULL;
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::EnumAdvises - not implemented"));
return E_NOTIMPL;
}
STDMETHODIMP CDefViewPersistHistory::GetMiscStatus(DWORD dwAspect, DWORD *pdwStatus)
{
*pdwStatus = 0;
if (dwAspect == DVASPECT_CONTENT)
*pdwStatus = OLEMISC_SETCLIENTSITEFIRST;
return S_OK;
}
STDMETHODIMP CDefViewPersistHistory::SetColorScheme(LOGPALETTE *pLogpal)
{
DebugMsg(DM_ERROR, TEXT("CDefViewPersistHistory::SetColorScheme - not implemented"));
return E_NOTIMPL;
}