mirror of
https://github.com/reactos/reactos.git
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383 lines
9.6 KiB
C
383 lines
9.6 KiB
C
/*
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* IShellItem implementation
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*
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* Copyright 2008 Vincent Povirk for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "precomp.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shell);
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typedef struct _ShellItem {
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const IShellItemVtbl *lpIShellItemVtbl;
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LONG ref;
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LPITEMIDLIST pidl;
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const IPersistIDListVtbl *lpIPersistIDListVtbl;
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} ShellItem;
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HRESULT WINAPI SHCreateShellItem(LPCITEMIDLIST pidlParent,
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IShellFolder *psfParent, LPCITEMIDLIST pidl, IShellItem **ppsi);
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static inline ShellItem *impl_from_IPersistIDList( IPersistIDList *iface )
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{
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return (ShellItem*)((char*)iface - FIELD_OFFSET(ShellItem, lpIPersistIDListVtbl));
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}
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static HRESULT WINAPI ShellItem_QueryInterface(IShellItem *iface, REFIID riid,
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void **ppv)
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{
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ShellItem *This = (ShellItem*)iface;
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TRACE("(%p,%p,%p)\n", iface, riid, ppv);
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellItem, riid))
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{
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*ppv = This;
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}
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else if (IsEqualIID(&IID_IPersist, riid) || IsEqualIID(&IID_IPersistIDList, riid))
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{
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*ppv = (IPersistIDListVtbl *)&(This->lpIPersistIDListVtbl);
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}
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else {
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FIXME("not implemented for %s\n", shdebugstr_guid(riid));
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI ShellItem_AddRef(IShellItem *iface)
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{
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ShellItem *This = (ShellItem*)iface;
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p), new refcount=%i\n", iface, ref);
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return ref;
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}
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static ULONG WINAPI ShellItem_Release(IShellItem *iface)
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{
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ShellItem *This = (ShellItem*)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p), new refcount=%i\n", iface, ref);
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if (ref == 0)
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{
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ILFree(This->pidl);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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static HRESULT ShellItem_get_parent_pidl(ShellItem *This, LPITEMIDLIST *parent_pidl)
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{
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*parent_pidl = ILClone(This->pidl);
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if (*parent_pidl)
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{
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if (ILRemoveLastID(*parent_pidl))
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return S_OK;
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else
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{
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ILFree(*parent_pidl);
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*parent_pidl = NULL;
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return E_INVALIDARG;
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}
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}
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else
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{
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*parent_pidl = NULL;
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return E_OUTOFMEMORY;
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}
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}
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static HRESULT ShellItem_get_parent_shellfolder(ShellItem *This, IShellFolder **ppsf)
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{
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LPITEMIDLIST parent_pidl;
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IShellFolder *desktop;
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HRESULT ret;
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ret = ShellItem_get_parent_pidl(This, &parent_pidl);
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if (SUCCEEDED(ret))
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{
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ret = SHGetDesktopFolder(&desktop);
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if (SUCCEEDED(ret))
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{
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ret = IShellFolder_BindToObject(desktop, parent_pidl, NULL, &IID_IShellFolder, (void**)ppsf);
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IShellFolder_Release(desktop);
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}
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ILFree(parent_pidl);
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}
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return ret;
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}
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static HRESULT WINAPI ShellItem_BindToHandler(IShellItem *iface, IBindCtx *pbc,
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REFGUID rbhid, REFIID riid, void **ppvOut)
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{
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FIXME("(%p,%p,%s,%p,%p)\n", iface, pbc, shdebugstr_guid(rbhid), riid, ppvOut);
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*ppvOut = NULL;
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return E_NOTIMPL;
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}
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static HRESULT WINAPI ShellItem_GetParent(IShellItem *iface, IShellItem **ppsi)
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{
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ShellItem *This = (ShellItem*)iface;
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LPITEMIDLIST parent_pidl;
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HRESULT ret;
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TRACE("(%p,%p)\n", iface, ppsi);
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ret = ShellItem_get_parent_pidl(This, &parent_pidl);
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if (SUCCEEDED(ret))
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{
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ret = SHCreateShellItem(NULL, NULL, parent_pidl, ppsi);
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ILFree(parent_pidl);
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}
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return ret;
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}
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static HRESULT WINAPI ShellItem_GetDisplayName(IShellItem *iface, SIGDN sigdnName,
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LPWSTR *ppszName)
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{
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FIXME("(%p,%x,%p)\n", iface, sigdnName, ppszName);
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*ppszName = NULL;
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return E_NOTIMPL;
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}
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static HRESULT WINAPI ShellItem_GetAttributes(IShellItem *iface, SFGAOF sfgaoMask,
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SFGAOF *psfgaoAttribs)
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{
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ShellItem *This = (ShellItem*)iface;
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IShellFolder *parent_folder;
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LPITEMIDLIST child_pidl;
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HRESULT ret;
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TRACE("(%p,%x,%p)\n", iface, sfgaoMask, psfgaoAttribs);
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ret = ShellItem_get_parent_shellfolder(This, &parent_folder);
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if (SUCCEEDED(ret))
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{
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child_pidl = ILFindLastID(This->pidl);
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*psfgaoAttribs = sfgaoMask;
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ret = IShellFolder_GetAttributesOf(parent_folder, 1, (LPCITEMIDLIST*)&child_pidl, psfgaoAttribs);
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IShellFolder_Release(parent_folder);
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}
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return ret;
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}
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static HRESULT WINAPI ShellItem_Compare(IShellItem *iface, IShellItem *oth,
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SICHINTF hint, int *piOrder)
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{
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FIXME("(%p,%p,%x,%p)\n", iface, oth, hint, piOrder);
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return E_NOTIMPL;
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}
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static const IShellItemVtbl ShellItem_Vtbl = {
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ShellItem_QueryInterface,
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ShellItem_AddRef,
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ShellItem_Release,
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ShellItem_BindToHandler,
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ShellItem_GetParent,
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ShellItem_GetDisplayName,
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ShellItem_GetAttributes,
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ShellItem_Compare
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};
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static HRESULT ShellItem_GetClassID(ShellItem* This, CLSID *pClassID)
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{
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TRACE("(%p,%p)\n", This, pClassID);
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*pClassID = CLSID_ShellItem;
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return S_OK;
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}
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static HRESULT WINAPI ShellItem_IPersistIDList_QueryInterface(IPersistIDList *iface,
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REFIID riid, void **ppv)
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{
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ShellItem *This = impl_from_IPersistIDList(iface);
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return ShellItem_QueryInterface((IShellItem*)This, riid, ppv);
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}
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static ULONG WINAPI ShellItem_IPersistIDList_AddRef(IPersistIDList *iface)
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{
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ShellItem *This = impl_from_IPersistIDList(iface);
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return ShellItem_AddRef((IShellItem*)This);
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}
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static ULONG WINAPI ShellItem_IPersistIDList_Release(IPersistIDList *iface)
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{
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ShellItem *This = impl_from_IPersistIDList(iface);
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return ShellItem_Release((IShellItem*)This);
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}
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static HRESULT WINAPI ShellItem_IPersistIDList_GetClassID(IPersistIDList* iface,
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CLSID *pClassID)
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{
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ShellItem *This = impl_from_IPersistIDList(iface);
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return ShellItem_GetClassID(This, pClassID);
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}
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static HRESULT WINAPI ShellItem_IPersistIDList_SetIDList(IPersistIDList* iface,
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LPCITEMIDLIST pidl)
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{
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ShellItem *This = impl_from_IPersistIDList(iface);
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LPITEMIDLIST new_pidl;
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TRACE("(%p,%p)\n", This, pidl);
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new_pidl = ILClone(pidl);
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if (new_pidl)
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{
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ILFree(This->pidl);
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This->pidl = new_pidl;
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return S_OK;
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}
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else
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return E_OUTOFMEMORY;
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}
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static HRESULT WINAPI ShellItem_IPersistIDList_GetIDList(IPersistIDList* iface,
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LPITEMIDLIST *ppidl)
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{
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ShellItem *This = impl_from_IPersistIDList(iface);
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TRACE("(%p,%p)\n", This, ppidl);
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*ppidl = ILClone(This->pidl);
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if (*ppidl)
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return S_OK;
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else
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return E_OUTOFMEMORY;
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}
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static const IPersistIDListVtbl ShellItem_IPersistIDList_Vtbl = {
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ShellItem_IPersistIDList_QueryInterface,
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ShellItem_IPersistIDList_AddRef,
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ShellItem_IPersistIDList_Release,
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ShellItem_IPersistIDList_GetClassID,
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ShellItem_IPersistIDList_SetIDList,
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ShellItem_IPersistIDList_GetIDList
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};
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HRESULT WINAPI IShellItem_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv)
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{
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ShellItem *This;
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HRESULT ret;
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TRACE("(%p,%s)\n",pUnkOuter, debugstr_guid(riid));
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*ppv = NULL;
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if (pUnkOuter) return CLASS_E_NOAGGREGATION;
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This = HeapAlloc(GetProcessHeap(), 0, sizeof(ShellItem));
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This->lpIShellItemVtbl = &ShellItem_Vtbl;
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This->ref = 1;
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This->pidl = NULL;
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This->lpIPersistIDListVtbl = &ShellItem_IPersistIDList_Vtbl;
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ret = ShellItem_QueryInterface((IShellItem*)This, riid, ppv);
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ShellItem_Release((IShellItem*)This);
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return ret;
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}
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HRESULT WINAPI SHCreateShellItem(LPCITEMIDLIST pidlParent,
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IShellFolder *psfParent, LPCITEMIDLIST pidl, IShellItem **ppsi)
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{
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ShellItem *This;
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LPITEMIDLIST new_pidl;
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HRESULT ret;
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TRACE("(%p,%p,%p,%p)\n", pidlParent, psfParent, pidl, ppsi);
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if (!pidl)
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{
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return E_INVALIDARG;
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}
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else if (pidlParent || psfParent)
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{
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LPITEMIDLIST temp_parent=NULL;
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if (!pidlParent)
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{
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IPersistFolder2* ppf2Parent;
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if (FAILED(IPersistFolder2_QueryInterface(psfParent, &IID_IPersistFolder2, (void**)&ppf2Parent)))
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{
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FIXME("couldn't get IPersistFolder2 interface of parent\n");
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return E_NOINTERFACE;
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}
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if (FAILED(IPersistFolder2_GetCurFolder(ppf2Parent, &temp_parent)))
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{
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FIXME("couldn't get parent PIDL\n");
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IPersistFolder2_Release(ppf2Parent);
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return E_NOINTERFACE;
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}
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pidlParent = temp_parent;
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IPersistFolder2_Release(ppf2Parent);
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}
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new_pidl = ILCombine(pidlParent, pidl);
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ILFree(temp_parent);
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if (!new_pidl)
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return E_OUTOFMEMORY;
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}
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else
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{
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new_pidl = ILClone(pidl);
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if (!new_pidl)
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return E_OUTOFMEMORY;
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}
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ret = IShellItem_Constructor(NULL, &IID_IShellItem, (void**)&This);
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if (This)
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{
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*ppsi = (IShellItem*)This;
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This->pidl = new_pidl;
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}
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else
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{
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*ppsi = NULL;
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ILFree(new_pidl);
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}
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return ret;
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}
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