mirror of
https://github.com/reactos/reactos.git
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433 lines
11 KiB
C++
433 lines
11 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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* Copyright 2009 Andrew Hill
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* Copyright 2013 Katayama Hirofumi MZ
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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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EXTERN_C HRESULT WINAPI SHCreateShellItem(PCIDLIST_ABSOLUTE pidlParent,
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IShellFolder *psfParent, PCUITEMID_CHILD pidl, IShellItem **ppsi);
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CShellItem::CShellItem() :
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m_pidl(NULL)
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{
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}
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CShellItem::~CShellItem()
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{
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ILFree(m_pidl);
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}
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HRESULT CShellItem::get_parent_pidl(LPITEMIDLIST *parent_pidl)
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{
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*parent_pidl = ILClone(m_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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HRESULT CShellItem::get_parent_shellfolder(IShellFolder **ppsf)
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{
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HRESULT hr;
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LPITEMIDLIST parent_pidl;
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CComPtr<IShellFolder> desktop;
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hr = get_parent_pidl(&parent_pidl);
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if (SUCCEEDED(hr))
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{
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hr = SHGetDesktopFolder(&desktop);
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if (SUCCEEDED(hr))
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hr = desktop->BindToObject(parent_pidl, NULL, IID_PPV_ARG(IShellFolder, ppsf));
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ILFree(parent_pidl);
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}
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return hr;
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}
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HRESULT CShellItem::get_shellfolder(IBindCtx *pbc, REFIID riid, void **ppvOut)
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{
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CComPtr<IShellFolder> psf;
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CComPtr<IShellFolder> psfDesktop;
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HRESULT ret;
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ret = SHGetDesktopFolder(&psfDesktop);
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if (FAILED_UNEXPECTEDLY(ret))
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return ret;
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if (_ILIsDesktop(m_pidl))
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psf = psfDesktop;
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else
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{
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ret = psfDesktop->BindToObject(m_pidl, pbc, IID_PPV_ARG(IShellFolder, &psf));
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if (FAILED_UNEXPECTEDLY(ret))
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return ret;
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}
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return psf->QueryInterface(riid, ppvOut);
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}
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HRESULT WINAPI CShellItem::BindToHandler(IBindCtx *pbc, REFGUID rbhid, REFIID riid, void **ppvOut)
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{
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HRESULT ret;
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TRACE("(%p, %p,%s,%p,%p)\n", this, pbc, shdebugstr_guid(&rbhid), riid, ppvOut);
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*ppvOut = NULL;
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if (IsEqualGUID(rbhid, BHID_SFObject))
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{
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return get_shellfolder(pbc, riid, ppvOut);
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}
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else if (IsEqualGUID(rbhid, BHID_SFUIObject))
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{
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CComPtr<IShellFolder> psf_parent;
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if (_ILIsDesktop(m_pidl))
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ret = SHGetDesktopFolder(&psf_parent);
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else
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ret = get_parent_shellfolder(&psf_parent);
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if (FAILED_UNEXPECTEDLY(ret))
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return ret;
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LPCITEMIDLIST pidl = ILFindLastID(m_pidl);
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return psf_parent->GetUIObjectOf(NULL, 1, &pidl, riid, NULL, ppvOut);
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}
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else if (IsEqualGUID(rbhid, BHID_DataObject))
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{
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return BindToHandler(pbc, BHID_SFUIObject, IID_IDataObject, ppvOut);
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}
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else if (IsEqualGUID(rbhid, BHID_SFViewObject))
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{
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CComPtr<IShellFolder> psf;
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ret = get_shellfolder(NULL, IID_PPV_ARG(IShellFolder, &psf));
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if (FAILED_UNEXPECTEDLY(ret))
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return ret;
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return psf->CreateViewObject(NULL, riid, ppvOut);
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}
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FIXME("Unsupported BHID %s.\n", debugstr_guid(&rbhid));
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return MK_E_NOOBJECT;
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}
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HRESULT WINAPI CShellItem::GetParent(IShellItem **ppsi)
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{
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HRESULT hr;
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LPITEMIDLIST parent_pidl;
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TRACE("(%p,%p)\n", this, ppsi);
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hr = get_parent_pidl(&parent_pidl);
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if (SUCCEEDED(hr))
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{
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hr = SHCreateShellItem(NULL, NULL, parent_pidl, ppsi);
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ILFree(parent_pidl);
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}
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return hr;
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}
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HRESULT WINAPI CShellItem::GetDisplayName(SIGDN sigdnName, LPWSTR *ppszName)
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{
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return SHGetNameFromIDList(m_pidl, sigdnName, ppszName);
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}
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HRESULT WINAPI CShellItem::GetAttributes(SFGAOF sfgaoMask, SFGAOF *psfgaoAttribs)
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{
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CComPtr<IShellFolder> parent_folder;
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LPCITEMIDLIST child_pidl;
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HRESULT hr;
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TRACE("(%p,%x,%p)\n", this, sfgaoMask, psfgaoAttribs);
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if (_ILIsDesktop(m_pidl))
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hr = SHGetDesktopFolder(&parent_folder);
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else
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hr = get_parent_shellfolder(&parent_folder);
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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child_pidl = ILFindLastID(m_pidl);
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*psfgaoAttribs = sfgaoMask;
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hr = parent_folder->GetAttributesOf(1, &child_pidl, psfgaoAttribs);
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*psfgaoAttribs &= sfgaoMask;
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if (FAILED_UNEXPECTEDLY(hr))
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return hr;
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return (sfgaoMask == *psfgaoAttribs) ? S_OK : S_FALSE;
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}
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HRESULT WINAPI CShellItem::Compare(IShellItem *oth, SICHINTF hint, int *piOrder)
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{
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HRESULT hr;
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CComPtr<IPersistIDList> pIDList;
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CComPtr<IShellFolder> psfDesktop;
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LPITEMIDLIST pidl;
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TRACE("(%p,%p,%x,%p)\n", this, oth, hint, piOrder);
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if (piOrder == NULL || oth == NULL)
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return E_POINTER;
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hr = oth->QueryInterface(IID_PPV_ARG(IPersistIDList, &pIDList));
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if (SUCCEEDED(hr))
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{
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hr = pIDList->GetIDList(&pidl);
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if (SUCCEEDED(hr))
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{
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hr = SHGetDesktopFolder(&psfDesktop);
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if (SUCCEEDED(hr))
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{
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hr = psfDesktop->CompareIDs(hint, m_pidl, pidl);
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*piOrder = (int)(short)SCODE_CODE(hr);
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}
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ILFree(pidl);
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}
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}
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if(FAILED(hr))
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return hr;
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if(*piOrder)
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return S_FALSE;
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else
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return S_OK;
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}
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HRESULT WINAPI CShellItem::GetClassID(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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HRESULT WINAPI CShellItem::SetIDList(PCIDLIST_ABSOLUTE pidlx)
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{
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LPITEMIDLIST new_pidl;
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TRACE("(%p,%p)\n", this, pidlx);
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new_pidl = ILClone(pidlx);
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if (new_pidl)
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{
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ILFree(m_pidl);
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m_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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HRESULT WINAPI CShellItem::GetIDList(PIDLIST_ABSOLUTE *ppidl)
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{
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TRACE("(%p,%p)\n", this, ppidl);
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*ppidl = ILClone(m_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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HRESULT WINAPI SHCreateShellItem(PCIDLIST_ABSOLUTE pidlParent,
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IShellFolder *psfParent, PCUITEMID_CHILD pidl, IShellItem **ppsi)
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{
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HRESULT hr;
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CComPtr<IShellItem> newShellItem;
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LPITEMIDLIST new_pidl;
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CComPtr<IPersistIDList> newPersistIDList;
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TRACE("(%p,%p,%p,%p)\n", pidlParent, psfParent, pidl, ppsi);
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*ppsi = NULL;
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if (!pidl)
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return E_INVALIDARG;
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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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CComPtr<IPersistFolder2> ppf2Parent;
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if (FAILED(psfParent->QueryInterface(IID_PPV_ARG(IPersistFolder2, &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(ppf2Parent->GetCurFolder(&temp_parent)))
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{
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FIXME("couldn't get parent PIDL\n");
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return E_NOINTERFACE;
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}
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pidlParent = temp_parent;
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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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hr = CShellItem::_CreatorClass::CreateInstance(NULL, IID_PPV_ARG(IShellItem, &newShellItem));
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if (FAILED(hr))
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{
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ILFree(new_pidl);
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return hr;
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}
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hr = newShellItem->QueryInterface(IID_PPV_ARG(IPersistIDList, &newPersistIDList));
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if (FAILED(hr))
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{
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ILFree(new_pidl);
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return hr;
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}
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hr = newPersistIDList->SetIDList(new_pidl);
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if (FAILED(hr))
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{
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ILFree(new_pidl);
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return hr;
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}
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ILFree(new_pidl);
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*ppsi = newShellItem.Detach();
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return hr;
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}
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class CShellItemArray :
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public CComCoClass<CShellItemArray, &CLSID_NULL>,
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public IShellItemArray
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{
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CIDA *m_pCIDA;
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STGMEDIUM m_Medium;
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public:
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CShellItemArray() : m_pCIDA(NULL)
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{
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m_Medium.tymed = TYMED_NULL;
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}
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virtual ~CShellItemArray()
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{
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CDataObjectHIDA::DestroyCIDA(m_pCIDA, m_Medium);
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}
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HRESULT Initialize(IDataObject *pdo)
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{
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return CDataObjectHIDA::CreateCIDA(pdo, &m_pCIDA, m_Medium);
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}
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inline UINT GetCount() const { return m_pCIDA->cidl; }
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// IShellItemArray
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STDMETHODIMP BindToHandler(IBindCtx *pbc, REFGUID rbhid, REFIID riid, void **ppv) override
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{
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UNIMPLEMENTED;
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*ppv = NULL;
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return E_NOTIMPL;
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}
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STDMETHODIMP GetPropertyStore(GETPROPERTYSTOREFLAGS flags, REFIID riid, void **ppv) override
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{
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UNIMPLEMENTED;
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*ppv = NULL;
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return E_NOTIMPL;
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}
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STDMETHODIMP GetPropertyDescriptionList(REFPROPERTYKEY keyType, REFIID riid, void **ppv) override
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{
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UNIMPLEMENTED;
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*ppv = NULL;
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return E_NOTIMPL;
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}
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STDMETHODIMP GetAttributes(SIATTRIBFLAGS dwAttribFlags, SFGAOF sfgaoMask, SFGAOF *psfgaoAttribs) override
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{
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UNIMPLEMENTED;
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*psfgaoAttribs = 0;
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return E_NOTIMPL;
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}
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STDMETHODIMP GetCount(DWORD*pCount) override
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{
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*pCount = m_pCIDA ? GetCount() : 0;
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return S_OK;
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}
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STDMETHODIMP GetItemAt(DWORD nIndex, IShellItem **ppItem) override
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{
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if (!ppItem)
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return E_INVALIDARG;
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*ppItem = NULL;
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if (!m_pCIDA)
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return E_UNEXPECTED;
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if (nIndex >= GetCount())
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return E_FAIL;
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return SHCreateShellItem(HIDA_GetPIDLFolder(m_pCIDA), NULL,
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HIDA_GetPIDLItem(m_pCIDA, nIndex), ppItem);
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}
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STDMETHODIMP EnumItems(IEnumShellItems **ppESI) override
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{
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UNIMPLEMENTED;
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*ppESI = NULL;
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return E_NOTIMPL;
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}
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DECLARE_NO_REGISTRY()
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DECLARE_NOT_AGGREGATABLE(CShellItemArray)
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BEGIN_COM_MAP(CShellItemArray)
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COM_INTERFACE_ENTRY_IID(IID_IShellItemArray, IShellItemArray)
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END_COM_MAP()
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};
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EXTERN_C HRESULT WINAPI
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SHCreateShellItemArrayFromDataObject(_In_ IDataObject *pdo, _In_ REFIID riid, _Out_ void **ppv)
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{
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return ShellObjectCreatorInit<CShellItemArray>(pdo, riid, ppv);
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}
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