1323 lines
39 KiB
C++
1323 lines
39 KiB
C++
#include "shellprv.h"
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#pragma hdrstop
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#include "idldata.h"
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#include "datautil.h"
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#include "ids.h"
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#include <obex.h>
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#pragma pack(1)
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typedef struct // typedef struct
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{ // {
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// these need to line up -----------------------
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WORD cbSize; // WORD cbSize; // Size of entire item ID
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WORD wOuter; // WORD wOuter; // Private data owned by the outer folder
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WORD cbInner; // WORD cbInner; // Size of delegate's data
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// ---------------------------------------------
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DWORD dwMagic; // BYTE rgb[1]; // Inner folder's data,
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DWORD dwType; // } DELEGATEITEMID;
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DWORD dwAttributes;
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ULARGE_INTEGER cbTotal;
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ULARGE_INTEGER cbFree;
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union
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{
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FILETIME ftModified;
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ULARGE_INTEGER ulModified;
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};
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WCHAR szName[1]; // variable size
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} WIRELESSITEM;
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#pragma pack()
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typedef UNALIGNED WIRELESSITEM * LPWIRELESSITEM;
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typedef const UNALIGNED WIRELESSITEM * LPCWIRELESSITEM;
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#define WIRELESSITEM_MAGIC 0x98765432
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class CWirelessDeviceFolder;
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class CWirelessDeviceEnum;
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class CWirelessDeviceDropTarget;
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class CWirelessDeviceFolder : public IShellFolder2, IPersistFolder2, IShellFolderViewCB, IDelegateFolder
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{
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public:
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CWirelessDeviceFolder();
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// IUnknown
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STDMETHOD(QueryInterface)(REFIID riid, void **ppv);
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STDMETHOD_(ULONG, AddRef)(void);
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STDMETHOD_(ULONG, Release)(void);
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// IPersist
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STDMETHOD(GetClassID)(CLSID *pClassID);
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// IPersistFolder
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STDMETHOD(Initialize)(LPCITEMIDLIST pidl);
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// IPersistFolder2
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STDMETHOD(GetCurFolder)(LPITEMIDLIST *ppidl);
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// IShellFolder
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STDMETHOD(ParseDisplayName)(HWND hwnd, LPBC pbc, LPOLESTR pszName, ULONG * pchEaten, LPITEMIDLIST * ppidl, ULONG *pdwAttributes);
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STDMETHOD(EnumObjects)(HWND hwnd, DWORD grfFlags, IEnumIDList **ppenumIDList);
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STDMETHOD(BindToObject)(LPCITEMIDLIST pidl, LPBC pbc, REFIID riid, void **ppvOut);
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STDMETHOD(BindToStorage)(LPCITEMIDLIST pidl, LPBC pbc, REFIID riid, void **ppv)
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{ return BindToObject(pidl, pbc, riid, ppv); };
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STDMETHOD(CompareIDs)(LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2);
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STDMETHOD(CreateViewObject)(HWND hwndOwner, REFIID riid, void **ppvOut);
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STDMETHOD(GetAttributesOf)(UINT cidl, LPCITEMIDLIST * apidl, ULONG *rgfInOut);
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STDMETHOD(GetUIObjectOf)(HWND hwndOwner, UINT cidl, LPCITEMIDLIST * apidl, REFIID riid, UINT * prgfInOut, void **ppvOut);
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STDMETHOD(GetDisplayNameOf)(LPCITEMIDLIST pidl, DWORD uFlags, LPSTRRET lpName);
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STDMETHOD(SetNameOf)(HWND hwnd, LPCITEMIDLIST pidl, LPCOLESTR pszName, DWORD uFlags, LPITEMIDLIST * ppidlOut);
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// IShellFolder2
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STDMETHOD(GetDefaultSearchGUID)(GUID *pGuid)
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{ return E_NOTIMPL; };
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STDMETHOD(EnumSearches)(IEnumExtraSearch **ppenum)
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{ return E_NOTIMPL; };
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STDMETHOD(GetDefaultColumn)(DWORD dwRes, ULONG *pSort, ULONG *pDisplay)
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{ return E_NOTIMPL; };
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STDMETHOD(GetDefaultColumnState)(UINT iColumn, DWORD *pbState)
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{ return E_NOTIMPL; }
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STDMETHOD(GetDetailsEx)(LPCITEMIDLIST pidl, const SHCOLUMNID *pscid, VARIANT *pv)
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{ return E_NOTIMPL; };
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STDMETHOD(GetDetailsOf)(LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS *pDetails);
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STDMETHOD(MapColumnToSCID)(UINT iColumn, SHCOLUMNID *pscid)
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{ return E_NOTIMPL; };
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// IShellFolderViewCB
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STDMETHOD(MessageSFVCB)(UINT uMsg, WPARAM wParam, LPARAM lParam);
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// IDelegateFolder
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STDMETHODIMP SetItemAlloc(IMalloc *pmalloc);
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private:
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~CWirelessDeviceFolder();
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HRESULT _CreateIDList(LPCTSTR pszName, LPCTSTR pszAddress, LPCTSTR pszTransport, WIRELESSITEM **ppmditem);
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HRESULT _IDListForDevice(IObexDevice *pdev, LPITEMIDLIST *ppidl);
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HRESULT _GetTypeOf(LPCWIRELESSITEM pmdi, LPTSTR pszBuffer, INT cchBuffer);
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ULONG _GetAttributesOf(LPCWIRELESSITEM pmdi, ULONG rgfIn);
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HRESULT _CreateExtractIcon(LPCWIRELESSITEM pmdi, REFIID riid, void **ppv);
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HRESULT _Device(LPCWIRELESSITEM pmdi, REFIID riid, void **ppv);
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static HRESULT CALLBACK _ItemsMenuCB(IShellFolder *psf, HWND hwnd, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam);
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// folder view callback handlers
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HRESULT _OnBackgroundEnum(DWORD pv) { return S_OK; };
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HRESULT _OnGetNotify(DWORD pv, LPITEMIDLIST *ppidl, LONG *plEvents);
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LPCWIRELESSITEM _IsValid(LPCITEMIDLIST pidl);
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DWORD _IsFolder(LPCWIRELESSITEM pmditem);
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HRESULT _GetObex(REFIID riid, void **ppv);
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HRESULT _GetName(LPCWIRELESSITEM pmdi, LPTSTR pszName, LPTSTR pszAddress, LPTSTR pszTransport);
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HRESULT _CreateStgFolder(LPCITEMIDLIST pidl, IStorage *pstg, REFIID riid, void **ppv);
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void *_Alloc(SIZE_T cb);
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friend CWirelessDeviceEnum;
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friend CWirelessDeviceDropTarget;
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LONG _cRef;
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IMalloc *_pmalloc;
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LPITEMIDLIST _pidl;
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IObex *_pObex;
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};
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class CWirelessDeviceEnum : public IEnumIDList
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{
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public:
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CWirelessDeviceEnum(CWirelessDeviceFolder* prf, DWORD grfFlags);
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~CWirelessDeviceEnum();
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// IUnknown
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STDMETHODIMP QueryInterface(REFIID riid, void **ppv);
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STDMETHODIMP_(ULONG) AddRef();
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STDMETHODIMP_(ULONG) Release();
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// IEnumIDList
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STDMETHODIMP Next(ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched);
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STDMETHODIMP Skip(ULONG celt) { return E_NOTIMPL; };
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STDMETHODIMP Reset();
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STDMETHODIMP Clone(IEnumIDList **ppenum) { return E_NOTIMPL; };
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private:
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HRESULT _InitEnum();
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void _UnMarshall();
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LONG _cRef;
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CWirelessDeviceFolder* _pwdf;
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DWORD _grfFlags;
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IDeviceEnum *_pDeviceEnum;
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IObex *_pobex;
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IStream *_pstmDevice;
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};
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class CWirelessDeviceDropTarget : public IDropTarget
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{
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public:
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CWirelessDeviceDropTarget(CWirelessDeviceFolder *pFolder, HWND hwnd);
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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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// IDropTarget
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STDMETHODIMP DragEnter(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect);
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STDMETHODIMP DragOver(DWORD grfKeyState, POINTL pt, DWORD *pdwEffect);
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STDMETHODIMP DragLeave();
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STDMETHODIMP Drop(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect);
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private:
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~CWirelessDeviceDropTarget();
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DWORD _GetDropEffect(DWORD *pdwEffect, DWORD grfKeyState);
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HRESULT _Transfer(IDataObject *pdtobj, UINT uiCmd);
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LONG _cRef;
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CWirelessDeviceFolder *_pwdf;
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HWND _hwnd; // EVIL: used as a site and UI host
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IDataObject *_pdtobj; // used durring DragOver() and DoDrop(), don't use on background thread
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UINT _idCmd;
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DWORD _grfKeyStateLast; // for previous DragOver/Enter
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DWORD _dwEffectLastReturned; // stashed effect that's returned by base class's dragover
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DWORD _dwEffectPreferred; // if dwData & DTID_PREFERREDEFFECT
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};
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CWirelessDeviceFolder::CWirelessDeviceFolder() : _cRef(1)
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{
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ASSERT(NULL == _pidl);
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ASSERT(NULL == _pmalloc);
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DllAddRef();
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}
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CWirelessDeviceFolder::~CWirelessDeviceFolder()
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{
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ILFree(_pidl);
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ATOMICRELEASE(_pmalloc);
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if (_pObex)
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{
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_pObex->Shutdown();
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_pObex->Release();
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}
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DllRelease();
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}
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HRESULT CWirelessDeviceFolder::QueryInterface(REFIID riid, void **ppv)
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{
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static const QITAB qit[] =
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{
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QITABENTMULTI(CWirelessDeviceFolder, IShellFolder, IShellFolder2),
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QITABENT (CWirelessDeviceFolder, IShellFolder2),
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QITABENTMULTI(CWirelessDeviceFolder, IPersist, IPersistFolder2),
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QITABENTMULTI(CWirelessDeviceFolder, IPersistFolder, IPersistFolder2),
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QITABENT (CWirelessDeviceFolder, IPersistFolder2),
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QITABENT (CWirelessDeviceFolder, IShellFolderViewCB),
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QITABENT (CWirelessDeviceFolder, IDelegateFolder),
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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) CWirelessDeviceFolder::AddRef()
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{
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return InterlockedIncrement(&_cRef);
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}
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STDMETHODIMP_(ULONG) CWirelessDeviceFolder::Release()
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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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STDAPI CWirelessDevices_CreateInstance(IUnknown* punkOuter, REFIID riid, void** ppv)
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{
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CWirelessDeviceFolder *pwdf = new CWirelessDeviceFolder();
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if (!pwdf)
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return E_OUTOFMEMORY;
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HRESULT hr = pwdf->QueryInterface(riid, ppv);
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pwdf->Release();
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return hr;
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}
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const GUID CLSID_Obex = {0x30a7bc00, 0x59b6, 0x40bb, 0xaa, 0x2b, 0x89, 0xeb, 0x49, 0xef, 0x27, 0x4e};
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const IID IID_IObex = {0x0C5A5B12, 0x2979, 0x42D1, 0x9E, 0x15, 0xA6, 0x3E, 0x34, 0x38, 0x3B, 0x58};
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HRESULT CWirelessDeviceFolder::_GetObex(REFIID riid, void **ppv)
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{
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HRESULT hr;
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if (_pObex)
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{
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hr = _pObex->QueryInterface(riid, ppv);
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}
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else
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{
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hr = CoCreateInstance(CLSID_Obex, NULL, CLSCTX_LOCAL_SERVER, IID_PPV_ARG(IObex, &_pObex));
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if (SUCCEEDED(hr))
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{
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hr = _pObex->Initialize();
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if (SUCCEEDED(hr))
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{
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hr = _pObex->QueryInterface(riid, ppv);
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}
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else
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{
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_pObex->Release();
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_pObex = NULL;
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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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LPCWIRELESSITEM CWirelessDeviceFolder::_IsValid(LPCITEMIDLIST pidl)
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{
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if (pidl && ((LPCWIRELESSITEM)pidl)->dwMagic == WIRELESSITEM_MAGIC)
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return (LPCWIRELESSITEM)pidl;
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return NULL;
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}
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DWORD CWirelessDeviceFolder::_IsFolder(LPCWIRELESSITEM pmditem)
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{
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return FILE_ATTRIBUTE_DIRECTORY;
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}
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// helper to support being run as a delegate or a stand alone folder
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//
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// the cbInner is the size of the data needed by the delegate. we need to compute
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// the full size of the pidl for the allocation and init that we the outer folder data
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void *CWirelessDeviceFolder::_Alloc(SIZE_T cbInner)
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{
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DELEGATEITEMID *pidl;
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if (_pmalloc)
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{
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pidl = (DELEGATEITEMID *)_pmalloc->Alloc(cbInner);
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}
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else
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{
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SIZE_T cbAlloc =
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sizeof(DELEGATEITEMID) - sizeof(pidl->rgb[0]) + // header
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cbInner + // inner
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sizeof(WORD); // trailing null (pidl terminator)
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pidl = (DELEGATEITEMID *)SHAlloc(cbAlloc);
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if (pidl)
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{
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ZeroMemory(pidl, cbAlloc); // make it all empty
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pidl->cbSize = (WORD)cbAlloc - sizeof(WORD);
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pidl->cbInner = (WORD)cbInner;
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}
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}
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return (void *)pidl;
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}
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HRESULT CWirelessDeviceFolder::_CreateIDList(LPCTSTR pszName, LPCTSTR pszAddress, LPCTSTR pszTransport, WIRELESSITEM **ppmditem)
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{
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HRESULT hr;
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UINT cbName = lstrlen(pszName) + 1;
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UINT cbAddress = lstrlen(pszAddress) + 1;
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UINT cbTransport = lstrlen(pszTransport);
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UINT cbInner = sizeof(WIRELESSITEM) - (sizeof(DELEGATEITEMID) - 1) +
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(sizeof(WCHAR) * (cbName + cbAddress + cbTransport));
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*ppmditem = (WIRELESSITEM *)_Alloc(cbInner);
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if (*ppmditem)
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{
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(*ppmditem)->dwMagic = WIRELESSITEM_MAGIC;
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(*ppmditem)->dwAttributes = FILE_ATTRIBUTE_DIRECTORY;
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StrCpyW((*ppmditem)->szName, pszName);
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StrCpyW((*ppmditem)->szName + cbName, pszAddress);
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StrCpyW((*ppmditem)->szName + cbName + cbAddress, pszTransport);
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hr = S_OK;
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}
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else
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hr = E_OUTOFMEMORY;
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return hr;
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}
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// Creates an item identifier list for the objects in the namespace
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HRESULT CWirelessDeviceFolder::_IDListForDevice(IObexDevice *pdev, LPITEMIDLIST *ppidl)
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{
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IPropertyBag *ppb;
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HRESULT hr = pdev->EnumProperties(IID_PPV_ARG(IPropertyBag, &ppb));
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if (SUCCEEDED(hr))
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{
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TCHAR szName[MAX_PATH], szAddress[64], szTransport[64];
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SHPropertyBag_ReadStr(ppb, L"Name", szName, ARRAYSIZE(szName));
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SHPropertyBag_ReadStr(ppb, L"Address", szAddress, ARRAYSIZE(szAddress));
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SHPropertyBag_ReadStr(ppb, L"Transport", szTransport, ARRAYSIZE(szTransport));
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WIRELESSITEM *pmditem;
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hr = _CreateIDList(szName, szAddress, szTransport, &pmditem);
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if (SUCCEEDED(hr))
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{
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*ppidl = (LPITEMIDLIST)pmditem;
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}
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ppb->Release();
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}
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return hr;
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}
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HRESULT CWirelessDeviceFolder::_GetTypeOf(LPCWIRELESSITEM pmdi, LPTSTR pszBuffer, INT cchBuffer)
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{
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*pszBuffer = 0; // null out the return buffer
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LPCWSTR pwszName;
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WSTR_ALIGNED_STACK_COPY(&pwszName, pmdi->szName);
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LPTSTR pszExt = PathFindExtension(pwszName);
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if (pszExt)
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{
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StrCpyN(pszBuffer, pszExt, cchBuffer);
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}
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return S_OK;
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}
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// IPersist
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STDMETHODIMP CWirelessDeviceFolder::GetClassID(CLSID *pClassID)
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{
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*pClassID = CLSID_WirelessDevices;
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return S_OK;
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}
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// IPersistFolder
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STDMETHODIMP CWirelessDeviceFolder::Initialize(LPCITEMIDLIST pidl)
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{
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ILFree(_pidl);
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return SHILClone(pidl, &_pidl);
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}
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// IPersistFolder2
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HRESULT CWirelessDeviceFolder::GetCurFolder(LPITEMIDLIST *ppidl)
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{
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if (_pidl)
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return SHILClone(_pidl, ppidl);
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*ppidl = NULL;
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return S_FALSE;
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}
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// IShellFolder(2)
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HRESULT CWirelessDeviceFolder::ParseDisplayName(HWND hwnd, LPBC pbc, LPOLESTR pszName, ULONG *pchEaten, LPITEMIDLIST *ppidl, ULONG *pdwAttributes)
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{
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HRESULT hr;
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if (!pszName || !ppidl)
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return E_INVALIDARG;
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*ppidl = NULL;
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#if 1
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hr = E_NOTIMPL;
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#else
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TCHAR szName[MAX_PATH];
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hr = _NextSegment((LPCWSTR*)&pszName, szName, ARRAYSIZE(szName), TRUE);
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if (SUCCEEDED(hr))
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{
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hr = _IDListForDevice(szName, ppidl);
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if (SUCCEEDED(hr) && pszName)
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{
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IShellFolder *psf;
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hr = BindToObject(*ppidl, pbc, IID_PPV_ARG(IShellFolder, &psf));
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if (SUCCEEDED(hr))
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{
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ULONG chEaten;
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LPITEMIDLIST pidlNext;
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hr = psf->ParseDisplayName(hwnd, pbc, pszName, &chEaten, &pidlNext, pdwAttributes);
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if (SUCCEEDED(hr))
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hr = SHILAppend(pidlNext, ppidl);
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psf->Release();
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}
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}
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else if (SUCCEEDED(hr) && pdwAttributes && *pdwAttributes)
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{
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GetAttributesOf(1, (LPCITEMIDLIST *)ppidl, pdwAttributes);
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}
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}
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#endif
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// clean up if the parse failed.
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if (FAILED(hr))
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{
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ILFree(*ppidl);
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*ppidl = NULL;
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}
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return hr;
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}
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HRESULT CWirelessDeviceFolder::EnumObjects(HWND hwnd, DWORD grfFlags, IEnumIDList **ppenum)
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{
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HRESULT hr;
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CWirelessDeviceEnum *penum = new CWirelessDeviceEnum(this, grfFlags);
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if (penum)
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{
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hr = penum->QueryInterface(IID_PPV_ARG(IEnumIDList, ppenum));
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penum->Release();
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}
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else
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{
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hr = E_OUTOFMEMORY;
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*ppenum = NULL;
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}
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return hr;
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}
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|
|
HRESULT CWirelessDeviceFolder::_GetName(LPCWIRELESSITEM pmdi, LPTSTR pszName, LPTSTR pszAddress, LPTSTR pszTransport)
|
|
{
|
|
LPCWSTR psz = pmdi->szName;
|
|
UINT cch = lstrlen(psz) + 1;
|
|
if (pszName)
|
|
StrCpy(pszName, psz);
|
|
|
|
psz += cch;
|
|
cch = lstrlen(psz) + 1;
|
|
if (pszAddress)
|
|
StrCpy(pszAddress, psz);
|
|
|
|
psz += cch;
|
|
cch = lstrlen(psz) + 1;
|
|
if (pszTransport)
|
|
StrCpy(pszTransport, psz);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceFolder::_Device(LPCWIRELESSITEM pmdi, REFIID riid, void **ppv)
|
|
{
|
|
TCHAR szName[MAX_PATH], szAddress[64], szTransport[64];
|
|
HRESULT hr = _GetName(pmdi, szName, szAddress, szTransport);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
IPropertyBag *ppb;
|
|
hr = SHCreatePropertyBagOnMemory(STGM_READWRITE, IID_PPV_ARG(IPropertyBag, &ppb));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
// store the class ID for the CD mastering folder
|
|
SHPropertyBag_WriteStr(ppb, L"Name", szName);
|
|
SHPropertyBag_WriteStr(ppb, L"Address", szAddress);
|
|
SHPropertyBag_WriteStr(ppb, L"Transport", szTransport);
|
|
|
|
IObex *pobex;
|
|
hr = _GetObex(IID_PPV_ARG(IObex, &pobex));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
IObexDevice *pdev;
|
|
hr = pobex->BindToDevice(ppb, &pdev);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (riid == IID_IStorage)
|
|
hr = pdev->BindToStorage(OBEX_DEVICE_CAP_PUSH, (IStorage **)ppv);
|
|
else
|
|
hr = pdev->QueryInterface(riid, ppv);
|
|
pdev->Release();
|
|
}
|
|
pobex->Release();
|
|
}
|
|
ppb->Release();
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceFolder::_CreateStgFolder(LPCITEMIDLIST pidl, IStorage *pstg, REFIID riid, void **ppv)
|
|
{
|
|
*ppv = NULL;
|
|
|
|
IPersistStorage *ppstg;
|
|
HRESULT hr = CoCreateInstance(CLSID_StgFolder, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IPersistStorage, &ppstg));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = ppstg->Load(pstg);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
IPersistFolder *ppf;
|
|
hr = ppstg->QueryInterface(IID_PPV_ARG(IPersistFolder, &ppf));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = ppf->Initialize(pidl);
|
|
if (SUCCEEDED(hr))
|
|
hr = ppf->QueryInterface(riid, ppv);
|
|
ppf->Release();
|
|
}
|
|
}
|
|
ppstg->Release();
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT CWirelessDeviceFolder::BindToObject(LPCITEMIDLIST pidl, LPBC pbc, REFIID riid, void **ppv)
|
|
{
|
|
*ppv = NULL;
|
|
|
|
HRESULT hr = E_NOINTERFACE;
|
|
LPCWIRELESSITEM pmdi = _IsValid(pidl);
|
|
if (pmdi && _IsFolder(pmdi))
|
|
{
|
|
if (IID_IShellFolder == riid ||
|
|
IID_IShellFolder2 == riid)
|
|
{
|
|
IStorage *pstg;
|
|
hr = _Device(pmdi, IID_PPV_ARG(IStorage, &pstg));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
LPCITEMIDLIST pidlNext = _ILNext(pidl);
|
|
LPITEMIDLIST pidlSubFolder = ILCombineParentAndFirst(_pidl, pidl, pidlNext);
|
|
if (pidlSubFolder)
|
|
{
|
|
IShellFolder *psf;
|
|
hr = _CreateStgFolder(pidlSubFolder, pstg, IID_PPV_ARG(IShellFolder, &psf));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
// if there's nothing left in the pidl, get the interface on this one.
|
|
if (ILIsEmpty(pidlNext))
|
|
hr = psf->QueryInterface(riid, ppv);
|
|
else
|
|
{
|
|
// otherwise, hand the rest of it off to the new shellfolder.
|
|
hr = psf->BindToObject(pidlNext, pbc, riid, ppv);
|
|
}
|
|
psf->Release();
|
|
}
|
|
ILFree(pidlSubFolder);
|
|
}
|
|
else
|
|
hr = E_OUTOFMEMORY;
|
|
|
|
pstg->Release();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
hr = E_FAIL;
|
|
|
|
ASSERT((SUCCEEDED(hr) && *ppv) || (FAILED(hr) && (NULL == *ppv))); // Assert hr is consistent w/out param.
|
|
return hr;
|
|
}
|
|
|
|
enum
|
|
{
|
|
DEV_COL_NAME = 0,
|
|
DEV_COL_SIZE,
|
|
DEV_COL_TYPE,
|
|
DEV_COL_MODIFIED,
|
|
};
|
|
|
|
HRESULT CWirelessDeviceFolder::CompareIDs(LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
|
|
{
|
|
LPCWIRELESSITEM pmdi1 = _IsValid(pidl1);
|
|
LPCWIRELESSITEM pmdi2 = _IsValid(pidl2);
|
|
int nCmp = 0;
|
|
|
|
if (!pmdi1 || !pmdi2)
|
|
return E_INVALIDARG;
|
|
|
|
// folders always sort to the top of the list, if either of these items
|
|
// are folders then compare on the folderness
|
|
|
|
if (_IsFolder(pmdi1) || _IsFolder(pmdi2))
|
|
{
|
|
if (_IsFolder(pmdi1) && !_IsFolder(pmdi2))
|
|
nCmp = -1;
|
|
else if (!_IsFolder(pmdi1) && _IsFolder(pmdi2))
|
|
nCmp = 1;
|
|
}
|
|
|
|
// if they match (or are not folders, then lets compare based on the column ID.
|
|
|
|
if (nCmp == 0)
|
|
{
|
|
switch (lParam & SHCIDS_COLUMNMASK)
|
|
{
|
|
case DEV_COL_NAME: // caught later on
|
|
break;
|
|
|
|
case DEV_COL_SIZE:
|
|
{
|
|
if (pmdi1->cbTotal.QuadPart < pmdi2->cbTotal.QuadPart)
|
|
nCmp = -1;
|
|
else if (pmdi1->cbTotal.QuadPart > pmdi2->cbTotal.QuadPart)
|
|
nCmp = 1;
|
|
break;
|
|
}
|
|
|
|
case DEV_COL_TYPE:
|
|
{
|
|
TCHAR szType1[MAX_PATH], szType2[MAX_PATH];
|
|
_GetTypeOf(pmdi1, szType1, ARRAYSIZE(szType1));
|
|
_GetTypeOf(pmdi2, szType2, ARRAYSIZE(szType2));
|
|
nCmp = StrCmpI(szType1, szType2);
|
|
break;
|
|
}
|
|
|
|
case DEV_COL_MODIFIED:
|
|
{
|
|
if (pmdi1->ulModified.QuadPart < pmdi2->ulModified.QuadPart)
|
|
nCmp = -1;
|
|
else if (pmdi1->ulModified.QuadPart > pmdi2->ulModified.QuadPart)
|
|
nCmp = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (nCmp == 0)
|
|
{
|
|
nCmp = ualstrcmpi(pmdi1->szName, pmdi2->szName);
|
|
}
|
|
}
|
|
|
|
return ResultFromShort(nCmp);
|
|
}
|
|
|
|
|
|
HRESULT CWirelessDeviceFolder::_OnGetNotify(DWORD pv, LPITEMIDLIST *ppidl, LONG *plEvents)
|
|
{
|
|
*ppidl = _pidl;
|
|
*plEvents = SHCNE_RENAMEITEM | SHCNE_RENAMEFOLDER | \
|
|
SHCNE_CREATE | SHCNE_DELETE | SHCNE_UPDATEDIR | SHCNE_UPDATEITEM | \
|
|
SHCNE_MKDIR | SHCNE_RMDIR;
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
STDMETHODIMP CWirelessDeviceFolder::MessageSFVCB(UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
HRESULT hr = E_FAIL;
|
|
switch (uMsg)
|
|
{
|
|
HANDLE_MSG(0, SFVM_BACKGROUNDENUM, _OnBackgroundEnum);
|
|
HANDLE_MSG(0, SFVM_GETNOTIFY, _OnGetNotify);
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceFolder::CreateViewObject(HWND hwnd, REFIID riid, void **ppv)
|
|
{
|
|
HRESULT hr = E_NOINTERFACE;
|
|
*ppv = NULL;
|
|
|
|
if (IsEqualIID(riid, IID_IShellView))
|
|
{
|
|
SFV_CREATE sSFV = { 0 };
|
|
sSFV.cbSize = sizeof(sSFV);
|
|
sSFV.psfvcb = this;
|
|
sSFV.pshf = this;
|
|
hr = SHCreateShellFolderView(&sSFV, (IShellView**)ppv);
|
|
}
|
|
else if (IsEqualIID(riid, IID_IContextMenu))
|
|
{
|
|
HKEY hkNoFiles = NULL;
|
|
|
|
RegOpenKey(HKEY_CLASSES_ROOT, TEXT("Directory\\Background"), &hkNoFiles);
|
|
|
|
hr = CDefFolderMenu_Create2(_pidl, hwnd, 0, NULL, this, NULL,
|
|
1, &hkNoFiles, (IContextMenu **)ppv);
|
|
if (hkNoFiles)
|
|
RegCloseKey(hkNoFiles);
|
|
}
|
|
else if (IsEqualIID(riid, IID_IDropTarget))
|
|
{
|
|
CWirelessDeviceDropTarget *psdt = new CWirelessDeviceDropTarget(this, hwnd);
|
|
if (psdt)
|
|
{
|
|
hr = psdt->QueryInterface(riid, ppv);
|
|
psdt->Release();
|
|
}
|
|
else
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
ULONG CWirelessDeviceFolder::_GetAttributesOf(LPCWIRELESSITEM pmdi, ULONG rgfIn)
|
|
{
|
|
return rgfIn & (SFGAO_FOLDER | SFGAO_CANLINK | SFGAO_CANCOPY | SFGAO_HASSUBFOLDER | SFGAO_HASPROPSHEET | SFGAO_DROPTARGET);
|
|
}
|
|
|
|
HRESULT CWirelessDeviceFolder::GetAttributesOf(UINT cidl, LPCITEMIDLIST *apidl, ULONG *prgfInOut)
|
|
{
|
|
UINT rgfOut = *prgfInOut;
|
|
|
|
// return attributes of the namespace root?
|
|
|
|
if (!cidl || !apidl)
|
|
{
|
|
rgfOut &= SFGAO_FOLDER |
|
|
SFGAO_LINK | SFGAO_DROPTARGET |
|
|
SFGAO_CANRENAME | SFGAO_CANDELETE |
|
|
SFGAO_CANLINK | SFGAO_CANCOPY |
|
|
SFGAO_CANMOVE | SFGAO_HASSUBFOLDER;
|
|
}
|
|
else
|
|
{
|
|
for (UINT i = 0; i < cidl; i++)
|
|
rgfOut &= _GetAttributesOf(_IsValid(apidl[i]), *prgfInOut);
|
|
}
|
|
|
|
*prgfInOut = rgfOut;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT CALLBACK CWirelessDeviceFolder::_ItemsMenuCB(IShellFolder *psf, HWND hwnd, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
switch (uMsg)
|
|
{
|
|
case DFM_MERGECONTEXTMENU:
|
|
break;
|
|
|
|
case DFM_INVOKECOMMANDEX:
|
|
{
|
|
DFMICS *pdfmics = (DFMICS *)lParam;
|
|
switch (wParam)
|
|
{
|
|
case DFM_CMD_DELETE:
|
|
// hr = StgDeleteUsingDataObject(hwnd, pdfmics->fMask, pdtobj);
|
|
break;
|
|
|
|
case DFM_CMD_PROPERTIES:
|
|
break;
|
|
|
|
default:
|
|
// This is common menu items, use the default code.
|
|
hr = S_FALSE;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
hr = E_NOTIMPL;
|
|
break;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceFolder::_CreateExtractIcon(LPCWIRELESSITEM pmdi, REFIID riid, void **ppv)
|
|
{
|
|
HRESULT hr = E_OUTOFMEMORY;
|
|
|
|
if (_IsFolder(pmdi))
|
|
{
|
|
UINT iIcon = II_FOLDER;
|
|
UINT iIconOpen = II_FOLDEROPEN;
|
|
|
|
TCHAR szModule[MAX_PATH];
|
|
GetModuleFileName(g_hinst, szModule, ARRAYSIZE(szModule));
|
|
|
|
hr = SHCreateDefExtIcon(szModule, iIcon, iIconOpen, GIL_PERCLASS, -1, riid, ppv);
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceFolder::GetUIObjectOf(HWND hwnd, UINT cidl, LPCITEMIDLIST *apidl,
|
|
REFIID riid, UINT *prgfInOut, void **ppv)
|
|
{
|
|
HRESULT hr = E_INVALIDARG;
|
|
LPCWIRELESSITEM pmdi = cidl ? _IsValid(apidl[0]) : NULL;
|
|
|
|
if (pmdi &&
|
|
(IsEqualIID(riid, IID_IExtractIconA) || IsEqualIID(riid, IID_IExtractIconW)))
|
|
{
|
|
WCHAR szName[MAX_PATH];
|
|
_GetName(pmdi, szName, NULL, NULL);
|
|
|
|
hr = SHCreateFileExtractIconW(szName, _IsFolder(pmdi), riid, ppv);
|
|
}
|
|
else if (IsEqualIID(riid, IID_IDataObject) && cidl)
|
|
{
|
|
hr = CIDLData_CreateInstance(_pidl, cidl, apidl, NULL, (IDataObject **)ppv);
|
|
}
|
|
#if 0
|
|
else if (IsEqualIID(riid, IID_IContextMenu) && pmdi)
|
|
{
|
|
// get the association for these files and lets attempt to
|
|
// build the context menu for the selection.
|
|
|
|
IQueryAssociations *pqa;
|
|
hr = GetUIObjectOf(hwnd, 1, (LPCITEMIDLIST*)&pmdi, IID_PPV_ARG_NULL(IQueryAssociations, &pqa));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
HKEY ahk[3];
|
|
// this is broken for docfiles (shell\ext\stgfldr's keys work though)
|
|
// maybe because GetClassFile punts when it's not fs?
|
|
DWORD cKeys = SHGetAssocKeys(pqa, ahk, ARRAYSIZE(ahk));
|
|
hr = CDefFolderMenu_Create2(_pidl, hwnd, cidl, apidl,
|
|
this, _ItemsMenuCB, cKeys, ahk,
|
|
(IContextMenu **)ppv);
|
|
|
|
SHRegCloseKeys(ahk, cKeys);
|
|
pqa->Release();
|
|
}
|
|
}
|
|
else if (IsEqualIID(riid, IID_IQueryAssociations) && pmdi)
|
|
{
|
|
// need to create a valid Assoc obj here
|
|
}
|
|
#endif
|
|
else if (IsEqualIID(riid, IID_IDropTarget) && pmdi)
|
|
{
|
|
// If a directory is selected in the view, the drop is going to a folder,
|
|
// so we need to bind to that folder and ask it to create a drop target
|
|
|
|
if (_IsFolder(pmdi))
|
|
{
|
|
IShellFolder *psf;
|
|
hr = BindToObject(apidl[0], NULL, IID_PPV_ARG(IShellFolder, &psf));
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = psf->CreateViewObject(hwnd, IID_IDropTarget, ppv);
|
|
psf->Release();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hr = CreateViewObject(hwnd, IID_IDropTarget, ppv);
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceFolder::GetDisplayNameOf(LPCITEMIDLIST pidl, DWORD dwFlags, STRRET *pStrRet)
|
|
{
|
|
HRESULT hr;
|
|
LPCWIRELESSITEM pmdi = _IsValid(pidl);
|
|
if (pmdi)
|
|
{
|
|
WCHAR szName[MAX_PATH];
|
|
_GetName(pmdi, szName, NULL, NULL);
|
|
|
|
if (dwFlags & SHGDN_FORPARSING)
|
|
{
|
|
if (dwFlags & SHGDN_INFOLDER)
|
|
{
|
|
hr = StringToStrRetW(szName, pStrRet); // relative name
|
|
}
|
|
else
|
|
{
|
|
TCHAR szTemp[MAX_PATH];
|
|
SHGetNameAndFlags(_pidl, dwFlags, szTemp, ARRAYSIZE(szTemp), NULL);
|
|
PathAppend(szTemp, szName);
|
|
hr = StringToStrRetW(szTemp, pStrRet);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hr = StringToStrRetW(szName, pStrRet);
|
|
}
|
|
}
|
|
else
|
|
hr = E_INVALIDARG;
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceFolder::SetNameOf(HWND hwnd, LPCITEMIDLIST pidl, LPCOLESTR pszName, DWORD dwFlags, LPITEMIDLIST *ppidlOut)
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static const struct
|
|
{
|
|
UINT iTitle;
|
|
UINT cchCol;
|
|
UINT iFmt;
|
|
}
|
|
g_aMediaDeviceColumns[] =
|
|
{
|
|
{IDS_NAME_COL, 20, LVCFMT_LEFT},
|
|
{IDS_SIZE_COL, 10, LVCFMT_RIGHT},
|
|
{IDS_TYPE_COL, 20, LVCFMT_LEFT},
|
|
{IDS_MODIFIED_COL, 20, LVCFMT_LEFT},
|
|
};
|
|
|
|
HRESULT CWirelessDeviceFolder::GetDetailsOf(LPCITEMIDLIST pidl, UINT iColumn, SHELLDETAILS *pDetail)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
TCHAR szTemp[MAX_PATH];
|
|
|
|
// is this a valid column?
|
|
|
|
if (iColumn >= ARRAYSIZE(g_aMediaDeviceColumns))
|
|
return E_NOTIMPL;
|
|
|
|
pDetail->str.uType = STRRET_CSTR;
|
|
pDetail->str.cStr[0] = 0;
|
|
|
|
if (NULL == pidl)
|
|
{
|
|
pDetail->fmt = g_aMediaDeviceColumns[iColumn].iFmt;
|
|
pDetail->cxChar = g_aMediaDeviceColumns[iColumn].cchCol;
|
|
LoadString(g_hinst, g_aMediaDeviceColumns[iColumn].iTitle, szTemp, ARRAYSIZE(szTemp));
|
|
hr = StringToStrRetW(szTemp, &(pDetail->str));
|
|
}
|
|
else
|
|
{
|
|
LPCWIRELESSITEM pmdi = _IsValid(pidl);
|
|
if (pmdi)
|
|
{
|
|
// return the property to the caller that is being requested, this is based on the
|
|
// list of columns we gave out when the view was created.
|
|
WCHAR szName[MAX_PATH];
|
|
_GetName(pmdi, szName, NULL, NULL);
|
|
|
|
switch (iColumn)
|
|
{
|
|
case DEV_COL_NAME:
|
|
hr = StringToStrRetW(szName, &(pDetail->str));
|
|
break;
|
|
|
|
case DEV_COL_SIZE:
|
|
if (!_IsFolder(pmdi))
|
|
{
|
|
ULARGE_INTEGER ullSize = pmdi->cbTotal;
|
|
StrFormatKBSize(ullSize.QuadPart, szTemp, ARRAYSIZE(szTemp));
|
|
hr = StringToStrRetW(szTemp, &(pDetail->str));
|
|
}
|
|
break;
|
|
|
|
case DEV_COL_TYPE:
|
|
{
|
|
SHFILEINFO sfi = { 0 };
|
|
if (SHGetFileInfo(szName, _IsFolder(pmdi), &sfi, sizeof(sfi), SHGFI_USEFILEATTRIBUTES|SHGFI_TYPENAME))
|
|
hr = StringToStrRetW(sfi.szTypeName, &(pDetail->str));
|
|
break;
|
|
}
|
|
|
|
case DEV_COL_MODIFIED:
|
|
SHFormatDateTime(&pmdi->ftModified, NULL, szTemp, ARRAYSIZE(szTemp));
|
|
hr = StringToStrRetW(szTemp, &(pDetail->str));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
// IDelegateFolder
|
|
HRESULT CWirelessDeviceFolder::SetItemAlloc(IMalloc *pmalloc)
|
|
{
|
|
IUnknown_Set((IUnknown**)&_pmalloc, pmalloc);
|
|
return S_OK;
|
|
}
|
|
|
|
CWirelessDeviceEnum::CWirelessDeviceEnum(CWirelessDeviceFolder *pmdf, DWORD grfFlags) : _cRef(1), _grfFlags(grfFlags)
|
|
{
|
|
_pwdf = pmdf;
|
|
_pwdf->AddRef();
|
|
|
|
IObex *pobex;
|
|
if (SUCCEEDED(_pwdf->_GetObex(IID_PPV_ARG(IObex, &pobex))))
|
|
{
|
|
CoMarshalInterThreadInterfaceInStream(IID_IObex, pobex, &_pstmDevice);
|
|
pobex->Release();
|
|
}
|
|
|
|
DllAddRef();
|
|
}
|
|
|
|
CWirelessDeviceEnum::~CWirelessDeviceEnum()
|
|
{
|
|
ATOMICRELEASE(_pobex);
|
|
ATOMICRELEASE(_pDeviceEnum);
|
|
ATOMICRELEASE(_pstmDevice);
|
|
|
|
_pwdf->Release();
|
|
DllRelease();
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) CWirelessDeviceEnum::AddRef()
|
|
{
|
|
return InterlockedIncrement(&_cRef);
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) CWirelessDeviceEnum::Release()
|
|
{
|
|
if (InterlockedDecrement(&_cRef))
|
|
return _cRef;
|
|
|
|
delete this;
|
|
return 0;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceEnum::QueryInterface(REFIID riid, void **ppv)
|
|
{
|
|
static const QITAB qit[] =
|
|
{
|
|
QITABENT(CWirelessDeviceEnum, IEnumIDList), // IID_IEnumIDList
|
|
{ 0 },
|
|
};
|
|
return QISearch(this, qit, riid, ppv);
|
|
}
|
|
|
|
void CWirelessDeviceEnum::_UnMarshall()
|
|
{
|
|
if (_pstmDevice)
|
|
CoGetInterfaceAndReleaseStream(_pstmDevice, IID_PPV_ARG(IObex, &_pobex));
|
|
_pstmDevice = NULL;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceEnum::_InitEnum()
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
_UnMarshall();
|
|
|
|
if (NULL == _pDeviceEnum)
|
|
{
|
|
hr = _pobex ? _pobex->EnumDevices(&_pDeviceEnum, CLSID_NULL) : E_FAIL;
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceEnum::Next(ULONG celt, LPITEMIDLIST *rgelt, ULONG *pceltFetched)
|
|
{
|
|
HRESULT hr = _InitEnum();
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
for (UINT cItems = 0; (cItems != celt) && (S_OK == hr); )
|
|
{
|
|
LPITEMIDLIST pidl;
|
|
|
|
ULONG ulFetched;
|
|
IObexDevice *pdev;
|
|
hr = _pDeviceEnum->Next(1, &pdev, &ulFetched);
|
|
if (S_OK == hr && ulFetched)
|
|
{
|
|
hr = _pwdf->_IDListForDevice(pdev, &pidl);
|
|
pdev->Release();
|
|
}
|
|
else
|
|
hr = S_FALSE;
|
|
|
|
if (S_OK == hr)
|
|
{
|
|
if (!(_grfFlags & SHCONTF_FOLDERS))
|
|
{
|
|
ILFree(pidl);
|
|
pidl = NULL;
|
|
continue;
|
|
}
|
|
rgelt[cItems++] = pidl; // return the idlist
|
|
}
|
|
}
|
|
if (pceltFetched)
|
|
*pceltFetched = cItems;
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
STDMETHODIMP CWirelessDeviceEnum::Reset()
|
|
{
|
|
ATOMICRELEASE(_pDeviceEnum);
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
CWirelessDeviceDropTarget::CWirelessDeviceDropTarget(CWirelessDeviceFolder *pmdf, HWND hwnd) :
|
|
_cRef(1), _pwdf(pmdf), _hwnd(hwnd), _grfKeyStateLast(-1)
|
|
{
|
|
_pwdf->AddRef();
|
|
DllAddRef();
|
|
}
|
|
|
|
CWirelessDeviceDropTarget::~CWirelessDeviceDropTarget()
|
|
{
|
|
DragLeave();
|
|
ATOMICRELEASE(_pwdf);
|
|
DllRelease();
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) CWirelessDeviceDropTarget::AddRef()
|
|
{
|
|
return InterlockedIncrement(&_cRef);
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) CWirelessDeviceDropTarget::Release()
|
|
{
|
|
if (InterlockedDecrement(&_cRef))
|
|
return _cRef;
|
|
|
|
delete this;
|
|
return 0;
|
|
}
|
|
|
|
HRESULT CWirelessDeviceDropTarget::QueryInterface(REFIID riid, void** ppv)
|
|
{
|
|
static const QITAB qit[] = {
|
|
QITABENT(CWirelessDeviceDropTarget, IDropTarget),
|
|
{ 0 },
|
|
};
|
|
return QISearch(this, qit, riid, ppv);
|
|
}
|
|
|
|
HRESULT CWirelessDeviceDropTarget::_Transfer(IDataObject *pdtobj, UINT uiCmd)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
|
|
DWORD CWirelessDeviceDropTarget::_GetDropEffect(DWORD *pdwEffect, DWORD grfKeyState)
|
|
{
|
|
DWORD dwEffectReturned = DROPEFFECT_NONE;
|
|
switch (grfKeyState & (MK_CONTROL | MK_SHIFT | MK_ALT))
|
|
{
|
|
case MK_CONTROL: dwEffectReturned = DROPEFFECT_COPY; break;
|
|
case MK_SHIFT: dwEffectReturned = DROPEFFECT_MOVE; break;
|
|
case MK_SHIFT | MK_CONTROL: dwEffectReturned = DROPEFFECT_LINK; break;
|
|
case MK_ALT: dwEffectReturned = DROPEFFECT_LINK; break;
|
|
|
|
default:
|
|
{
|
|
// no modifier keys:
|
|
// if the data object contains a preferred drop effect, try to use it
|
|
DWORD dwPreferred = DataObj_GetDWORD(_pdtobj, g_cfPreferredDropEffect, DROPEFFECT_NONE) & *pdwEffect;
|
|
if (dwPreferred)
|
|
{
|
|
if (dwPreferred & DROPEFFECT_MOVE)
|
|
{
|
|
dwEffectReturned = DROPEFFECT_MOVE;
|
|
}
|
|
else if (dwPreferred & DROPEFFECT_COPY)
|
|
{
|
|
dwEffectReturned = DROPEFFECT_COPY;
|
|
}
|
|
else if (dwPreferred & DROPEFFECT_LINK)
|
|
{
|
|
dwEffectReturned = DROPEFFECT_LINK;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dwEffectReturned = DROPEFFECT_COPY;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
return dwEffectReturned;
|
|
}
|
|
|
|
STDMETHODIMP CWirelessDeviceDropTarget::DragEnter(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect)
|
|
{
|
|
IUnknown_Set((IUnknown **)&_pdtobj, pdtobj);
|
|
|
|
_grfKeyStateLast = grfKeyState;
|
|
|
|
if (pdwEffect)
|
|
*pdwEffect = _dwEffectLastReturned = _GetDropEffect(pdwEffect, grfKeyState);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP CWirelessDeviceDropTarget::DragOver(DWORD grfKeyState, POINTL pt, DWORD *pdwEffect)
|
|
{
|
|
// has the key state changed? if not then lets return the previously cached
|
|
// version, otherwise recompute.
|
|
|
|
if (_grfKeyStateLast == grfKeyState)
|
|
{
|
|
if (*pdwEffect)
|
|
*pdwEffect = _dwEffectLastReturned;
|
|
}
|
|
else if (*pdwEffect)
|
|
{
|
|
*pdwEffect = _GetDropEffect(pdwEffect, grfKeyState);
|
|
}
|
|
|
|
_dwEffectLastReturned = *pdwEffect;
|
|
_grfKeyStateLast = grfKeyState;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP CWirelessDeviceDropTarget::DragLeave()
|
|
{
|
|
ATOMICRELEASE(_pdtobj);
|
|
return S_OK;
|
|
}
|
|
|
|
STDMETHODIMP CWirelessDeviceDropTarget::Drop(IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect)
|
|
{
|
|
*pdwEffect = DROPEFFECT_NONE; // incase of failure
|
|
|
|
// determine the type of operation to performed, if the right button is down
|
|
// then lets display the menu, otherwise base it on the drop effect
|
|
|
|
UINT idCmd = 0; // Choice from drop popup menu
|
|
if (!(_grfKeyStateLast & MK_LBUTTON))
|
|
{
|
|
HMENU hMenu = SHLoadPopupMenu(g_hinst, POPUP_NONDEFAULTDD);
|
|
if (!hMenu)
|
|
{
|
|
DragLeave();
|
|
return E_FAIL;
|
|
}
|
|
|
|
SetMenuDefaultItem(hMenu, POPUP_NONDEFAULTDD, FALSE);
|
|
idCmd = TrackPopupMenu(hMenu,
|
|
TPM_RETURNCMD|TPM_RIGHTBUTTON|TPM_LEFTALIGN,
|
|
pt.x, pt.y, 0, _hwnd, NULL);
|
|
DestroyMenu(hMenu);
|
|
}
|
|
else
|
|
{
|
|
switch (_GetDropEffect(pdwEffect, grfKeyState))
|
|
{
|
|
case DROPEFFECT_COPY: idCmd = DDIDM_COPY; break;
|
|
case DROPEFFECT_MOVE: idCmd = DDIDM_MOVE; break;
|
|
case DROPEFFECT_LINK: idCmd = DDIDM_LINK; break;
|
|
}
|
|
}
|
|
|
|
// now perform the operation, based on the command ID we have.
|
|
|
|
HRESULT hr = E_FAIL;
|
|
switch (idCmd)
|
|
{
|
|
case DDIDM_COPY:
|
|
case DDIDM_MOVE:
|
|
hr = _Transfer(pdtobj, idCmd);
|
|
if (SUCCEEDED(hr))
|
|
*pdwEffect = (idCmd == DDIDM_COPY) ? DROPEFFECT_COPY : DROPEFFECT_MOVE;
|
|
else
|
|
*pdwEffect = 0;
|
|
break;
|
|
|
|
case DDIDM_LINK:
|
|
{
|
|
WCHAR wzPath[MAX_PATH];
|
|
SHGetNameAndFlags(_pwdf->_pidl, SHGDN_FORPARSING, wzPath, ARRAYSIZE(wzPath), NULL);
|
|
|
|
hr = SHCreateLinks(_hwnd, wzPath, pdtobj, 0, NULL);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// success so lets populate the new changes to the effect
|
|
|
|
if (SUCCEEDED(hr) && *pdwEffect)
|
|
{
|
|
DataObj_SetDWORD(pdtobj, g_cfLogicalPerformedDropEffect, *pdwEffect);
|
|
DataObj_SetDWORD(pdtobj, g_cfPerformedDropEffect, *pdwEffect);
|
|
}
|
|
|
|
DragLeave();
|
|
return hr;
|
|
}
|
|
|