Sweden-Number/dlls/shell32/shellitem.c

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/*
* IShellItem implementation
*
* Copyright 2008 Vincent Povirk for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdio.h>
#include <stdarg.h>
#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "wine/debug.h"
#include "pidl.h"
#include "shell32_main.h"
#include "debughlp.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
typedef struct _ShellItem {
const IShellItemVtbl *lpIShellItemVtbl;
LONG ref;
LPITEMIDLIST pidl;
const IPersistIDListVtbl *lpIPersistIDListVtbl;
} ShellItem;
static inline ShellItem *impl_from_IPersistIDList( IPersistIDList *iface )
{
return (ShellItem*)((char*)iface - FIELD_OFFSET(ShellItem, lpIPersistIDListVtbl));
}
static HRESULT WINAPI ShellItem_QueryInterface(IShellItem *iface, REFIID riid,
void **ppv)
{
ShellItem *This = (ShellItem*)iface;
TRACE("(%p,%p,%p)\n", iface, riid, ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, riid) || IsEqualIID(&IID_IShellItem, riid))
{
*ppv = This;
}
else if (IsEqualIID(&IID_IPersist, riid) || IsEqualIID(&IID_IPersistIDList, riid))
{
*ppv = &(This->lpIPersistIDListVtbl);
}
else {
FIXME("not implemented for %s\n", shdebugstr_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI ShellItem_AddRef(IShellItem *iface)
{
ShellItem *This = (ShellItem*)iface;
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p), new refcount=%i\n", iface, ref);
return ref;
}
static ULONG WINAPI ShellItem_Release(IShellItem *iface)
{
ShellItem *This = (ShellItem*)iface;
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p), new refcount=%i\n", iface, ref);
if (ref == 0)
{
ILFree(This->pidl);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT ShellItem_get_parent_pidl(ShellItem *This, LPITEMIDLIST *parent_pidl)
{
*parent_pidl = ILClone(This->pidl);
if (*parent_pidl)
{
if (ILRemoveLastID(*parent_pidl))
return S_OK;
else
{
ILFree(*parent_pidl);
*parent_pidl = NULL;
return E_INVALIDARG;
}
}
else
{
*parent_pidl = NULL;
return E_OUTOFMEMORY;
}
}
static HRESULT ShellItem_get_parent_shellfolder(ShellItem *This, IShellFolder **ppsf)
{
LPITEMIDLIST parent_pidl;
IShellFolder *desktop;
HRESULT ret;
ret = ShellItem_get_parent_pidl(This, &parent_pidl);
if (SUCCEEDED(ret))
{
ret = SHGetDesktopFolder(&desktop);
if (SUCCEEDED(ret))
{
ret = IShellFolder_BindToObject(desktop, parent_pidl, NULL, &IID_IShellFolder, (void**)ppsf);
IShellFolder_Release(desktop);
}
ILFree(parent_pidl);
}
return ret;
}
static HRESULT WINAPI ShellItem_BindToHandler(IShellItem *iface, IBindCtx *pbc,
REFGUID rbhid, REFIID riid, void **ppvOut)
{
FIXME("(%p,%p,%s,%p,%p)\n", iface, pbc, shdebugstr_guid(rbhid), riid, ppvOut);
*ppvOut = NULL;
return E_NOTIMPL;
}
static HRESULT WINAPI ShellItem_GetParent(IShellItem *iface, IShellItem **ppsi)
{
ShellItem *This = (ShellItem*)iface;
LPITEMIDLIST parent_pidl;
HRESULT ret;
TRACE("(%p,%p)\n", iface, ppsi);
ret = ShellItem_get_parent_pidl(This, &parent_pidl);
if (SUCCEEDED(ret))
{
ret = SHCreateShellItem(NULL, NULL, parent_pidl, ppsi);
ILFree(parent_pidl);
}
return ret;
}
static HRESULT WINAPI ShellItem_GetDisplayName(IShellItem *iface, SIGDN sigdnName,
LPWSTR *ppszName)
{
FIXME("(%p,%x,%p)\n", iface, sigdnName, ppszName);
*ppszName = NULL;
return E_NOTIMPL;
}
static HRESULT WINAPI ShellItem_GetAttributes(IShellItem *iface, SFGAOF sfgaoMask,
SFGAOF *psfgaoAttribs)
{
ShellItem *This = (ShellItem*)iface;
IShellFolder *parent_folder;
LPITEMIDLIST child_pidl;
HRESULT ret;
TRACE("(%p,%x,%p)\n", iface, sfgaoMask, psfgaoAttribs);
ret = ShellItem_get_parent_shellfolder(This, &parent_folder);
if (SUCCEEDED(ret))
{
child_pidl = ILFindLastID(This->pidl);
*psfgaoAttribs = sfgaoMask;
ret = IShellFolder_GetAttributesOf(parent_folder, 1, (LPCITEMIDLIST*)&child_pidl, psfgaoAttribs);
IShellFolder_Release(parent_folder);
}
return ret;
}
static HRESULT WINAPI ShellItem_Compare(IShellItem *iface, IShellItem *oth,
SICHINTF hint, int *piOrder)
{
FIXME("(%p,%p,%x,%p)\n", iface, oth, hint, piOrder);
return E_NOTIMPL;
}
static const IShellItemVtbl ShellItem_Vtbl = {
ShellItem_QueryInterface,
ShellItem_AddRef,
ShellItem_Release,
ShellItem_BindToHandler,
ShellItem_GetParent,
ShellItem_GetDisplayName,
ShellItem_GetAttributes,
ShellItem_Compare
};
static HRESULT ShellItem_GetClassID(ShellItem* This, CLSID *pClassID)
{
TRACE("(%p,%p)\n", This, pClassID);
*pClassID = CLSID_ShellItem;
return S_OK;
}
static HRESULT WINAPI ShellItem_IPersistIDList_QueryInterface(IPersistIDList *iface,
REFIID riid, void **ppv)
{
ShellItem *This = impl_from_IPersistIDList(iface);
return ShellItem_QueryInterface((IShellItem*)This, riid, ppv);
}
static ULONG WINAPI ShellItem_IPersistIDList_AddRef(IPersistIDList *iface)
{
ShellItem *This = impl_from_IPersistIDList(iface);
return ShellItem_AddRef((IShellItem*)This);
}
static ULONG WINAPI ShellItem_IPersistIDList_Release(IPersistIDList *iface)
{
ShellItem *This = impl_from_IPersistIDList(iface);
return ShellItem_Release((IShellItem*)This);
}
static HRESULT WINAPI ShellItem_IPersistIDList_GetClassID(IPersistIDList* iface,
CLSID *pClassID)
{
ShellItem *This = impl_from_IPersistIDList(iface);
return ShellItem_GetClassID(This, pClassID);
}
static HRESULT WINAPI ShellItem_IPersistIDList_SetIDList(IPersistIDList* iface,
LPCITEMIDLIST pidl)
{
ShellItem *This = impl_from_IPersistIDList(iface);
LPITEMIDLIST new_pidl;
TRACE("(%p,%p)\n", This, pidl);
new_pidl = ILClone(pidl);
if (new_pidl)
{
ILFree(This->pidl);
This->pidl = new_pidl;
return S_OK;
}
else
return E_OUTOFMEMORY;
}
static HRESULT WINAPI ShellItem_IPersistIDList_GetIDList(IPersistIDList* iface,
LPITEMIDLIST *ppidl)
{
ShellItem *This = impl_from_IPersistIDList(iface);
TRACE("(%p,%p)\n", This, ppidl);
*ppidl = ILClone(This->pidl);
if (*ppidl)
return S_OK;
else
return E_OUTOFMEMORY;
}
static const IPersistIDListVtbl ShellItem_IPersistIDList_Vtbl = {
ShellItem_IPersistIDList_QueryInterface,
ShellItem_IPersistIDList_AddRef,
ShellItem_IPersistIDList_Release,
ShellItem_IPersistIDList_GetClassID,
ShellItem_IPersistIDList_SetIDList,
ShellItem_IPersistIDList_GetIDList
};
HRESULT WINAPI IShellItem_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv)
{
ShellItem *This;
HRESULT ret;
TRACE("(%p,%s)\n",pUnkOuter, debugstr_guid(riid));
*ppv = NULL;
if (pUnkOuter) return CLASS_E_NOAGGREGATION;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(ShellItem));
This->lpIShellItemVtbl = &ShellItem_Vtbl;
This->ref = 1;
This->pidl = NULL;
This->lpIPersistIDListVtbl = &ShellItem_IPersistIDList_Vtbl;
ret = ShellItem_QueryInterface((IShellItem*)This, riid, ppv);
ShellItem_Release((IShellItem*)This);
return ret;
}
HRESULT WINAPI SHCreateShellItem(LPCITEMIDLIST pidlParent,
IShellFolder *psfParent, LPCITEMIDLIST pidl, IShellItem **ppsi)
{
ShellItem *This;
LPITEMIDLIST new_pidl;
HRESULT ret;
TRACE("(%p,%p,%p,%p)\n", pidlParent, psfParent, pidl, ppsi);
if (!pidl)
{
return E_INVALIDARG;
}
else if (pidlParent || psfParent)
{
LPITEMIDLIST temp_parent=NULL;
if (!pidlParent)
{
IPersistFolder2* ppf2Parent;
if (!SUCCEEDED(IPersistFolder2_QueryInterface(psfParent, &IID_IPersistFolder2, (void**)&ppf2Parent)))
{
FIXME("couldn't get IPersistFolder2 interface of parent\n");
return E_NOINTERFACE;
}
if (!SUCCEEDED(IPersistFolder2_GetCurFolder(ppf2Parent, &temp_parent)))
{
FIXME("couldn't get parent PIDL\n");
IPersistFolder2_Release(ppf2Parent);
return E_NOINTERFACE;
}
pidlParent = temp_parent;
IPersistFolder2_Release(ppf2Parent);
}
new_pidl = ILCombine(pidlParent, pidl);
ILFree(temp_parent);
if (!new_pidl)
return E_OUTOFMEMORY;
}
else
{
new_pidl = ILClone(pidl);
if (!new_pidl)
return E_OUTOFMEMORY;
}
ret = IShellItem_Constructor(NULL, &IID_IShellItem, (void**)&This);
if (This)
{
*ppsi = (IShellItem*)This;
This->pidl = new_pidl;
}
else
{
*ppsi = NULL;
ILFree(new_pidl);
}
return ret;
}