567 lines
16 KiB
C++
567 lines
16 KiB
C++
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#include "precomp.h"
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#pragma hdrstop
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#include "stdenum.h"
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#define DM_SDFOLDER 0
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class CShellFolderView : public IShellFolderViewDual2,
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public IShellService,
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public IServiceProvider,
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public CObjectSafety,
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public CObjectWithSite,
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protected CImpIConnectionPointContainer,
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protected CImpIExpDispSupport,
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protected CImpIDispatch
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{
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public:
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CShellFolderView(void);
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// IUnknown
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STDMETHODIMP QueryInterface(REFIID riid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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// IDispatch
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STDMETHODIMP GetTypeInfoCount(UINT * pctinfo)
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{ return CImpIDispatch::GetTypeInfoCount(pctinfo); }
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STDMETHODIMP GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo **pptinfo)
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{ return CImpIDispatch::GetTypeInfo(itinfo, lcid, pptinfo); }
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STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID * rgdispid)
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{ return CImpIDispatch::GetIDsOfNames(riid, rgszNames, cNames, lcid, rgdispid); }
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STDMETHODIMP Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS * pdispparams, VARIANT * pvarResult, EXCEPINFO * pexcepinfo, UINT * puArgErr);
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// IServiceProvider
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STDMETHODIMP QueryService(REFGUID guidService, REFIID riid, void **ppvObj);
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// IShellFolderViewDual2
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STDMETHODIMP get_Application(IDispatch **ppid);
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STDMETHODIMP get_Parent(IDispatch **ppid);
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STDMETHODIMP get_Folder(Folder **ppid);
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STDMETHODIMP SelectedItems(FolderItems **ppid);
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STDMETHODIMP get_FocusedItem(FolderItem **ppid);
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STDMETHODIMP SelectItem(VARIANT *pvfi, int dwFlags);
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STDMETHODIMP PopupItemMenu(FolderItem * pfi, VARIANT vx, VARIANT vy, BSTR * pbs);
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STDMETHODIMP get_Script(IDispatch **ppid);
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STDMETHODIMP get_ViewOptions(long *plSetting);
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STDMETHODIMP get_CurrentViewMode(UINT *pViewMode);
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STDMETHODIMP put_CurrentViewMode(UINT ViewMode);
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STDMETHODIMP SelectItemRelative(int iRelative);
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// IShellService
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STDMETHODIMP SetOwner(IUnknown* punkOwner);
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// CImpIConnectionPoint
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STDMETHODIMP EnumConnectionPoints(LPENUMCONNECTIONPOINTS * ppEnum);
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// CObjectWithSite overriding
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STDMETHODIMP SetSite(IUnknown *punkSite);
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private:
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HRESULT _IsSafe()
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{
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return (0 == _dwSafetyOptions) ? S_OK : IsSafePage(_punkSite);
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}
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~CShellFolderView(void);
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HRESULT _GetFolder();
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// CImpIExpDispSupport
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virtual CConnectionPoint* _FindCConnectionPointNoRef(BOOL fdisp, REFIID iid);
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LONG _cRef;
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CFolder *_psdf; // The shell folder we talk to ...
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IUnknown *_punkOwner; // back link to defview (owner object of us...)
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IShellFolderView *_psfvOwner; // The owners Shell folder view...
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HWND _hwnd; // the hwnd for the window...
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// Embed our Connection Point object - implmentation in cnctnpt.cpp
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CConnectionPoint _cpEvents;
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};
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// implementation of CLSID_ShellFolderView, class factory is in shell32 (and was in mars, but that project is dead)
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STDAPI CShellFolderView_CreateInstance(IUnknown* punkOuter, REFIID riid, void **ppvOut)
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{
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*ppvOut = NULL;
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HRESULT hr = E_OUTOFMEMORY;
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CShellFolderView* psfv = new CShellFolderView();
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if (psfv)
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{
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hr = psfv->QueryInterface(riid, ppvOut);
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psfv->Release();
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}
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return hr;
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}
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CShellFolderView::CShellFolderView(void) :
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CImpIDispatch(SDSPATCH_TYPELIB, IID_IShellFolderViewDual2), _cRef(1), _psdf(NULL)
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{
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DllAddRef();
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_cpEvents.SetOwner((IUnknown*)SAFECAST(this, IShellFolderViewDual2*), &DIID_DShellFolderViewEvents);
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}
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CShellFolderView::~CShellFolderView(void)
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{
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// if we ever grabbed a shell folder for this window release it also
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if (_psdf)
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{
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_psdf->SetSite(NULL);
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_psdf->SetOwner(NULL);
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_psdf->Release();
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}
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ASSERT(_punkOwner == NULL);
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ASSERT(_psfvOwner == NULL);
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ASSERT(_punkSite == NULL);
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DllRelease();
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}
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STDMETHODIMP CShellFolderView::QueryInterface(REFIID riid, void **ppv)
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{
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static const QITAB qit[] = {
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QITABENT(CShellFolderView, IShellFolderViewDual),
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QITABENT(CShellFolderView, IShellFolderViewDual2),
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QITABENTMULTI(CShellFolderView, IDispatch, IShellFolderViewDual),
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QITABENTMULTI(CShellFolderView, IDispatch, IShellFolderViewDual2),
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QITABENT(CShellFolderView, IShellService),
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QITABENT(CShellFolderView, IConnectionPointContainer),
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QITABENT(CShellFolderView, IExpDispSupport),
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QITABENT(CShellFolderView, IObjectSafety),
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QITABENT(CShellFolderView, IObjectWithSite),
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QITABENT(CShellFolderView, IServiceProvider),
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{ 0 },
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};
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return QISearch(this, qit, riid, ppv);
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}
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STDMETHODIMP_(ULONG) CShellFolderView::AddRef(void)
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{
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return InterlockedIncrement(&_cRef);
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}
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STDMETHODIMP_(ULONG) CShellFolderView::Release(void)
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{
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if (InterlockedDecrement(&_cRef))
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return _cRef;
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delete this;
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return 0;
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}
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//The ShellWindow implementation
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// let folder we have handle this. Probably won't work for webviews as this object
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// is not secure...
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STDMETHODIMP CShellFolderView::get_Application(IDispatch **ppid)
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{
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if (S_OK != _IsSafe())
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return E_ACCESSDENIED;
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HRESULT hres = _GetFolder();
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if (SUCCEEDED(hres))
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hres = _psdf->get_Application(ppid);
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return hres;
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}
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STDMETHODIMP CShellFolderView::get_Parent(IDispatch **ppid)
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{
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*ppid = NULL;
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return E_FAIL;
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}
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HRESULT CShellFolderView::_GetFolder()
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{
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if (_psdf)
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return S_OK;
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HRESULT hr;
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LPITEMIDLIST pidl = NULL;
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IShellFolder *psf = NULL;
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if (_psfvOwner)
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{
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IFolderView *pfv;
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if (SUCCEEDED(_psfvOwner->QueryInterface(IID_PPV_ARG(IFolderView, &pfv))))
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{
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if (SUCCEEDED(pfv->GetFolder(IID_PPV_ARG(IShellFolder, &psf))))
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{
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if (SHGetIDListFromUnk(psf, &pidl) != S_OK)
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{
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psf->Release();
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psf = NULL;
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}
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}
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pfv->Release();
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}
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if (!pidl)
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{
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LPCITEMIDLIST pidlT;
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// dsheldon - the -42 is a hack that says "give me the folder pidl"
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hr = GetObjectSafely(_psfvOwner, &pidlT, (UINT)-42);
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if (SUCCEEDED(hr))
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{
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pidl = ILClone(pidlT);
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}
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}
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}
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if (pidl)
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{
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hr = CFolder_Create2(_hwnd, pidl, psf, &_psdf);
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if (SUCCEEDED(hr))
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{
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_psdf->SetSite(_punkSite);
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_psdf->SetOwner(_punkOwner);
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if (_dwSafetyOptions)
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hr = MakeSafeForScripting((IUnknown**)&_psdf);
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}
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if (psf)
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psf->Release();
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ILFree(pidl);
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}
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else
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hr = E_FAIL;
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return hr;
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}
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STDMETHODIMP CShellFolderView::SetSite(IUnknown *punkSite)
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{
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if (_psdf)
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_psdf->SetSite(punkSite);
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return CObjectWithSite::SetSite(punkSite);
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}
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STDMETHODIMP CShellFolderView::get_Folder(Folder **ppid)
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{
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if (S_OK != _IsSafe())
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return E_ACCESSDENIED;
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*ppid = NULL;
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HRESULT hr = _GetFolder();
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if (SUCCEEDED(hr))
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hr = _psdf->QueryInterface(IID_PPV_ARG(Folder, ppid));
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return hr;
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}
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STDMETHODIMP CShellFolderView::SelectedItems(FolderItems **ppid)
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{
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if (S_OK != _IsSafe())
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return E_ACCESSDENIED;
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HRESULT hr = _GetFolder();
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if (SUCCEEDED(hr))
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{
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hr = CFolderItems_Create(_psdf, TRUE, ppid);
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if (SUCCEEDED(hr))
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{
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IUnknown_SetSite(*ppid, _punkSite);
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if (_dwSafetyOptions)
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{
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hr = MakeSafeForScripting((IUnknown**)ppid);
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}
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}
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}
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return hr;
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}
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// NOTE: this returns an alias pointer, it is not allocated
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HRESULT GetObjectSafely(IShellFolderView *psfv, LPCITEMIDLIST *ppidl, UINT iType)
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{
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// cast needed because GetObject() returns an alias!
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HRESULT hr = psfv->GetObject((LPITEMIDLIST *)ppidl, iType);
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if (SUCCEEDED(hr))
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{
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// On the off chance this is coppied across process boundries...
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__try
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{
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// force a full deref this PIDL to generate a fault if cross process
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if (ILGetSize(*ppidl) > 0)
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hr = S_OK;
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// Don't free it as it was not cloned...
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}
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__except(SetErrorMode(SEM_NOGPFAULTERRORBOX), UnhandledExceptionFilter(GetExceptionInformation()))
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{
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*ppidl = NULL;
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hr = E_FAIL;
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}
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}
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return hr;
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}
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STDMETHODIMP CShellFolderView::get_FocusedItem(FolderItem **ppid)
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{
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if (S_OK != _IsSafe())
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return E_ACCESSDENIED;
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HRESULT hr = _GetFolder();
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if (SUCCEEDED(hr))
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{
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*ppid = NULL;
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hr = S_FALSE;
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if (_psfvOwner)
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{
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// Warning:
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// It is common for the following function to fail (which means no item has the focus).
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// So, do not save the return code from GetObjectSafely() into "hr" that will ruin the
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// S_FALSE value already stored there and result in script errors. (Bug #301306)
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//
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LPCITEMIDLIST pidl;
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// dsheldon - the -2 is a hack that says "give me the selected pidl"
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if (SUCCEEDED(GetObjectSafely(_psfvOwner, &pidl, (UINT)-2)))
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{
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hr = CFolderItem_Create(_psdf, pidl, ppid);
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if (_dwSafetyOptions && SUCCEEDED(hr))
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hr = MakeSafeForScripting((IUnknown**)ppid);
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}
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}
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else
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hr = E_FAIL;
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}
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return hr;
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}
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STDMETHODIMP CShellFolderView::get_CurrentViewMode(UINT *pViewMode)
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{
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if (S_OK != _IsSafe())
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return E_ACCESSDENIED;
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HRESULT hr = S_FALSE;
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IFolderView *pfv;
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if (_punkOwner && SUCCEEDED(_punkOwner->QueryInterface(IID_PPV_ARG(IFolderView, &pfv))))
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{
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hr = pfv->GetCurrentViewMode(pViewMode);
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pfv->Release();
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}
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return hr;
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}
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STDMETHODIMP CShellFolderView::put_CurrentViewMode(UINT ViewMode)
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{
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if (S_OK != _IsSafe())
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return E_ACCESSDENIED;
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HRESULT hr = S_FALSE;
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IFolderView *pfv;
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if (_punkOwner && SUCCEEDED(_punkOwner->QueryInterface(IID_PPV_ARG(IFolderView, &pfv))))
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{
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hr = pfv->SetCurrentViewMode(ViewMode);
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pfv->Release();
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}
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return hr;
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}
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STDMETHODIMP CShellFolderView::SelectItemRelative(int iRelative)
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{
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if (S_OK != _IsSafe())
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return E_ACCESSDENIED;
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HRESULT hr = S_FALSE;
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IFolderView *pfv;
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if (_punkOwner && SUCCEEDED(_punkOwner->QueryInterface(IID_PPV_ARG(IFolderView, &pfv))))
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{
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int iCurrent, cItems;
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if (SUCCEEDED(pfv->ItemCount(SVGIO_ALLVIEW, &cItems)) && (cItems > 1) &&
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||
|
|
SUCCEEDED(pfv->GetSelectionMarkedItem(&iCurrent)))
|
||
|
|
{
|
||
|
|
int iToSelect = iCurrent + iRelative;
|
||
|
|
if (iToSelect < 0)
|
||
|
|
iToSelect = 0;
|
||
|
|
else if (iToSelect > cItems - 1)
|
||
|
|
iToSelect = cItems - 1;
|
||
|
|
|
||
|
|
hr = pfv->SelectItem(iToSelect, SVSI_SELECTIONMARK | SVSI_SELECT | SVSI_ENSUREVISIBLE | SVSI_DESELECTOTHERS);
|
||
|
|
}
|
||
|
|
pfv->Release();
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// pvfi should be a "FolderItem" IDispatch
|
||
|
|
|
||
|
|
STDMETHODIMP CShellFolderView::SelectItem(VARIANT *pvfi, int dwFlags)
|
||
|
|
{
|
||
|
|
if (S_OK != _IsSafe())
|
||
|
|
return E_ACCESSDENIED;
|
||
|
|
|
||
|
|
HRESULT hr = E_FAIL;
|
||
|
|
LPITEMIDLIST pidl = VariantToIDList(pvfi);
|
||
|
|
// if pvfi is NULL that means all items in the folder...
|
||
|
|
if (pidl || (pvfi && pvfi->vt == VT_NULL))
|
||
|
|
{
|
||
|
|
IShellView *psv; // use this to select the item...
|
||
|
|
if (_punkOwner && SUCCEEDED(_punkOwner->QueryInterface(IID_PPV_ARG(IShellView, &psv))))
|
||
|
|
{
|
||
|
|
// ILFindLastID checks for NULL...
|
||
|
|
hr = psv->SelectItem(ILFindLastID(pidl), dwFlags);
|
||
|
|
psv->Release();
|
||
|
|
}
|
||
|
|
ILFree(pidl);
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CShellFolderView::PopupItemMenu(FolderItem *pfi, VARIANT vx, VARIANT vy, BSTR * pbs)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CShellFolderView::get_Script(IDispatch **ppid)
|
||
|
|
{
|
||
|
|
*ppid = NULL; // Say that we got nothing...
|
||
|
|
|
||
|
|
if (!_punkOwner)
|
||
|
|
return S_FALSE;
|
||
|
|
|
||
|
|
IShellView *psv;
|
||
|
|
HRESULT hres = _punkOwner->QueryInterface(IID_PPV_ARG(IShellView, &psv));
|
||
|
|
if (SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
// lets see if there is a IHTMLDocument that is below us now...
|
||
|
|
IHTMLDocument *phtmld;
|
||
|
|
hres = psv->GetItemObject(SVGIO_BACKGROUND, IID_PPV_ARG(IHTMLDocument, &phtmld));
|
||
|
|
if (SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
if (_dwSafetyOptions)
|
||
|
|
hres = MakeSafeForScripting((IUnknown **)&phtmld);
|
||
|
|
|
||
|
|
if (SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
hres = phtmld->get_Script(ppid);
|
||
|
|
}
|
||
|
|
phtmld->Release();
|
||
|
|
}
|
||
|
|
psv->Release();
|
||
|
|
}
|
||
|
|
|
||
|
|
return hres;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Helper function that can be used to get the current view options...
|
||
|
|
// (ripped out of dvoc.cpp)
|
||
|
|
DWORD GetViewOptionsForDispatch()
|
||
|
|
{
|
||
|
|
SHELLSTATE ss = {0};
|
||
|
|
DWORD dwSetting = 0;
|
||
|
|
|
||
|
|
// Get the view options to return...
|
||
|
|
|
||
|
|
SHGetSetSettings(&ss,
|
||
|
|
SSF_SHOWALLOBJECTS|SSF_SHOWEXTENSIONS|SSF_SHOWCOMPCOLOR|
|
||
|
|
SSF_SHOWSYSFILES|SSF_DOUBLECLICKINWEBVIEW|SSF_DESKTOPHTML|SSF_WIN95CLASSIC,
|
||
|
|
FALSE);
|
||
|
|
|
||
|
|
// Aarg: mnuch the Bool:1 fields into a dword...
|
||
|
|
if (ss.fShowAllObjects) dwSetting |= SFVVO_SHOWALLOBJECTS;
|
||
|
|
if (ss.fShowExtensions) dwSetting |= SFVVO_SHOWEXTENSIONS;
|
||
|
|
if (ss.fShowCompColor) dwSetting |= SFVVO_SHOWCOMPCOLOR;
|
||
|
|
if (ss.fShowSysFiles) dwSetting |= SFVVO_SHOWSYSFILES;
|
||
|
|
if (ss.fDoubleClickInWebView) dwSetting |= SFVVO_DOUBLECLICKINWEBVIEW;
|
||
|
|
if (ss.fDesktopHTML) dwSetting |= SFVVO_DESKTOPHTML;
|
||
|
|
if (ss.fWin95Classic) dwSetting |= SFVVO_WIN95CLASSIC;
|
||
|
|
|
||
|
|
return dwSetting;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CShellFolderView::get_ViewOptions(long *plSetting)
|
||
|
|
{
|
||
|
|
if (S_OK != _IsSafe())
|
||
|
|
return E_ACCESSDENIED;
|
||
|
|
|
||
|
|
*plSetting = (LONG)GetViewOptionsForDispatch();
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CShellFolderView::SetOwner(IUnknown* punkOwner)
|
||
|
|
{
|
||
|
|
if (_psdf)
|
||
|
|
_psdf->SetOwner(punkOwner);
|
||
|
|
|
||
|
|
IUnknown_Set((IUnknown **)&_psfvOwner, NULL); // free cached interface
|
||
|
|
IUnknown_Set(&_punkOwner, punkOwner); // hold this guy
|
||
|
|
|
||
|
|
if (_punkOwner)
|
||
|
|
{
|
||
|
|
_punkOwner->QueryInterface(IID_PPV_ARG(IShellFolderView, &_psfvOwner));
|
||
|
|
|
||
|
|
if (!_hwnd)
|
||
|
|
{
|
||
|
|
IShellView *psv;
|
||
|
|
|
||
|
|
// this is gross, until we can merge the two models, create one of our
|
||
|
|
// Window objects.
|
||
|
|
if (SUCCEEDED(_punkOwner->QueryInterface(IID_PPV_ARG(IShellView, &psv))))
|
||
|
|
{
|
||
|
|
HWND hwndFldr;
|
||
|
|
psv->GetWindow(&hwndFldr);
|
||
|
|
|
||
|
|
// Really gross, but assume parent HWND is the HWND we are after...
|
||
|
|
_hwnd = GetParent(hwndFldr);
|
||
|
|
psv->Release();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CShellFolderView::EnumConnectionPoints(IEnumConnectionPoints **ppEnum)
|
||
|
|
{
|
||
|
|
return CreateInstance_IEnumConnectionPoints(ppEnum, 1, _cpEvents.CastToIConnectionPoint());
|
||
|
|
}
|
||
|
|
|
||
|
|
CConnectionPoint* CShellFolderView::_FindCConnectionPointNoRef(BOOL fdisp, REFIID iid)
|
||
|
|
{
|
||
|
|
if (IsEqualIID(iid, DIID_DShellFolderViewEvents) || (fdisp && IsEqualIID(iid, IID_IDispatch)))
|
||
|
|
return &_cpEvents;
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CShellFolderView::Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS * pdispparams, VARIANT * pvarResult, EXCEPINFO * pexcepinfo, UINT * puArgErr)
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
if (dispidMember == DISPID_READYSTATE)
|
||
|
|
return DISP_E_MEMBERNOTFOUND; // perf: what typeinfo would return.
|
||
|
|
|
||
|
|
if (dispidMember == DISPID_WINDOWOBJECT)
|
||
|
|
{
|
||
|
|
IDispatch *pdisp;
|
||
|
|
if (SUCCEEDED(get_Script(&pdisp)))
|
||
|
|
{
|
||
|
|
hr = pdisp->Invoke(dispidMember, riid, lcid, wFlags, pdispparams, pvarResult, pexcepinfo, puArgErr);
|
||
|
|
pdisp->Release();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = DISP_E_MEMBERNOTFOUND;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = CImpIDispatch::Invoke(dispidMember, riid, lcid, wFlags, pdispparams, pvarResult, pexcepinfo, puArgErr);
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CShellFolderView::QueryService(REFGUID guidService, REFIID riid, void **ppv)
|
||
|
|
{
|
||
|
|
HRESULT hr = IUnknown_QueryService(_punkOwner, guidService, riid, ppv);
|
||
|
|
if (FAILED(hr))
|
||
|
|
hr = IUnknown_QueryService(_punkSite, guidService, riid, ppv);
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|