mirror of
https://github.com/reactos/reactos.git
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149 lines
4.1 KiB
C++
149 lines
4.1 KiB
C++
/*
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* Multisource AutoComplete list
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*
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* Copyright 2007 Mikolaj Zalewski
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* Copyright 2009 Andrew Hill
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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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void CACLMulti::release_obj(struct ACLMultiSublist *obj)
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{
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obj->punk->Release();
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if (obj->pEnum)
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obj->pEnum->Release();
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if (obj->pACL)
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obj->pACL->Release();
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}
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CACLMulti::CACLMulti()
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{
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fObjectCount = 0;
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fCurrentObject = 0;
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fObjects = NULL;
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}
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CACLMulti::~CACLMulti()
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{
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int i;
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TRACE("destroying %p\n", this);
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for (i = 0; i < fObjectCount; i++)
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release_obj(&fObjects[i]);
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CoTaskMemFree(fObjects);
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}
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HRESULT STDMETHODCALLTYPE CACLMulti::Append(IUnknown *punk)
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{
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TRACE("(%p, %p)\n", this, punk);
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if (punk == NULL)
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return E_FAIL;
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fObjects = static_cast<ACLMultiSublist *>(
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CoTaskMemRealloc(fObjects, sizeof(fObjects[0]) * (fObjectCount + 1)));
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fObjects[fObjectCount].punk = punk;
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punk->AddRef();
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if (FAILED_UNEXPECTEDLY(punk->QueryInterface(IID_PPV_ARG(IEnumString, &fObjects[fObjectCount].pEnum))))
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fObjects[fObjectCount].pEnum = NULL;
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if (FAILED_UNEXPECTEDLY(punk->QueryInterface(IID_PPV_ARG(IACList, &fObjects[fObjectCount].pACL))))
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fObjects[fObjectCount].pACL = NULL;
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fObjectCount++;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CACLMulti::Remove(IUnknown *punk)
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{
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int i;
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TRACE("(%p, %p)\n", this, punk);
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for (i = 0; i < fObjectCount; i++)
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if (fObjects[i].punk == punk)
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{
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release_obj(&fObjects[i]);
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MoveMemory(&fObjects[i], &fObjects[i + 1], (fObjectCount - i - 1) * sizeof(ACLMultiSublist));
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fObjectCount--;
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fObjects = static_cast<ACLMultiSublist *>(
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CoTaskMemRealloc(fObjects, sizeof(fObjects[0]) * fObjectCount));
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return S_OK;
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}
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return E_FAIL;
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}
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HRESULT STDMETHODCALLTYPE CACLMulti::Next(ULONG celt, LPOLESTR *rgelt, ULONG *pceltFetched)
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{
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TRACE("(%p, %d, %p, %p)\n", this, celt, rgelt, pceltFetched);
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while (fCurrentObject < fObjectCount)
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{
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if (fObjects[fCurrentObject].pEnum)
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{
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/* native browseui 6.0 also returns only one element */
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HRESULT ret = fObjects[fCurrentObject].pEnum->Next(1, rgelt, pceltFetched);
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if (ret != S_FALSE)
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return ret;
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}
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fCurrentObject++;
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}
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if (pceltFetched)
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*pceltFetched = 0;
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*rgelt = NULL;
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return S_FALSE;
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}
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HRESULT STDMETHODCALLTYPE CACLMulti::Reset()
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{
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int i;
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fCurrentObject = 0;
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for (i = 0; i < fObjectCount; i++)
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{
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if (fObjects[i].pEnum)
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fObjects[i].pEnum->Reset();
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}
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE CACLMulti::Skip(ULONG celt)
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{
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/* native browseui 6.0 returns this: */
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return E_NOTIMPL;
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}
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HRESULT STDMETHODCALLTYPE CACLMulti::Clone(IEnumString **ppOut)
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{
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*ppOut = NULL;
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/* native browseui 6.0 returns this: */
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return E_OUTOFMEMORY;
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}
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HRESULT STDMETHODCALLTYPE CACLMulti::Expand(LPCWSTR wstr)
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{
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HRESULT res = S_OK;
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int i;
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for (i = 0; i < fObjectCount; i++)
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{
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if (!fObjects[i].pACL)
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continue;
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res = fObjects[i].pACL->Expand(wstr);
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if (res == S_OK)
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break;
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}
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return res;
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}
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