mirror of
https://github.com/reactos/reactos.git
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391 lines
10 KiB
C
391 lines
10 KiB
C
/*
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* Implementation of hyperlinking (hlink.dll)
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*
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* Copyright 2005 Aric Stewart 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 "hlink_private.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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WINE_DEFAULT_DEBUG_CHANNEL(hlink);
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struct link_entry
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{
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struct list entry;
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IHlink *link;
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};
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typedef struct
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{
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IHlinkBrowseContext IHlinkBrowseContext_iface;
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LONG ref;
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HLBWINFO* BrowseWindowInfo;
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struct link_entry *current;
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struct list links;
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} HlinkBCImpl;
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static inline HlinkBCImpl *impl_from_IHlinkBrowseContext(IHlinkBrowseContext *iface)
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{
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return CONTAINING_RECORD(iface, HlinkBCImpl, IHlinkBrowseContext_iface);
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}
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static HRESULT WINAPI IHlinkBC_fnQueryInterface( IHlinkBrowseContext *iface,
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REFIID riid, LPVOID* ppvObj)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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TRACE ("(%p)->(%s,%p)\n", This, debugstr_guid (riid), ppvObj);
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if (IsEqualIID(riid, &IID_IUnknown) ||
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IsEqualIID(riid, &IID_IHlinkBrowseContext))
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*ppvObj = This;
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if (*ppvObj)
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{
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IUnknown_AddRef((IUnknown*)(*ppvObj));
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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static ULONG WINAPI IHlinkBC_fnAddRef (IHlinkBrowseContext* iface)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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ULONG refCount = InterlockedIncrement(&This->ref);
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TRACE("(%p)->(count=%u)\n", This, refCount - 1);
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return refCount;
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}
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static ULONG WINAPI IHlinkBC_fnRelease (IHlinkBrowseContext* iface)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->(count=%u)\n", This, ref + 1);
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if (!ref)
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{
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struct link_entry *link, *link2;
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LIST_FOR_EACH_ENTRY_SAFE(link, link2, &This->links, struct link_entry, entry)
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{
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list_remove(&link->entry);
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IHlink_Release(link->link);
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heap_free(link);
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}
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heap_free(This->BrowseWindowInfo);
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heap_free(This);
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}
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return ref;
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}
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static const WCHAR szIdent[] = {'W','I','N','E','H','L','I','N','K',0};
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static HRESULT WINAPI IHlinkBC_Register(IHlinkBrowseContext* iface,
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DWORD dwReserved, IUnknown *piunk, IMoniker *pimk, DWORD *pdwRegister)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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IMoniker *mon;
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IMoniker *composite;
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IRunningObjectTable *ROT;
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HRESULT hr;
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FIXME("(%p)->(%i %p %p %p)\n", This, dwReserved, piunk, pimk, pdwRegister);
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hr = CreateItemMoniker(NULL, szIdent, &mon);
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if (FAILED(hr))
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return hr;
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CreateGenericComposite(mon, pimk, &composite);
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GetRunningObjectTable(0, &ROT);
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IRunningObjectTable_Register(ROT, 0, piunk, composite, pdwRegister);
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IRunningObjectTable_Release(ROT);
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IMoniker_Release(composite);
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IMoniker_Release(mon);
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return S_OK;
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}
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static HRESULT WINAPI IHlinkBC_GetObject(IHlinkBrowseContext* iface,
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IMoniker *pimk, BOOL fBindifRootRegistered, IUnknown **ppiunk)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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IMoniker *mon;
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IMoniker *composite;
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IRunningObjectTable *ROT;
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HRESULT hr;
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TRACE("(%p)->(%p, %d, %p)\n", This, pimk, fBindifRootRegistered, ppiunk);
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hr = CreateItemMoniker(NULL, szIdent, &mon);
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if (FAILED(hr)) return hr;
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CreateGenericComposite(mon, pimk, &composite);
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GetRunningObjectTable(0, &ROT);
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hr = IRunningObjectTable_GetObject(ROT, composite, ppiunk);
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IRunningObjectTable_Release(ROT);
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IMoniker_Release(composite);
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IMoniker_Release(mon);
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return hr;
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}
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static HRESULT WINAPI IHlinkBC_Revoke(IHlinkBrowseContext* iface,
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DWORD dwRegister)
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{
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HRESULT r;
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IRunningObjectTable *ROT;
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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FIXME("(%p)->(%i)\n", This, dwRegister);
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GetRunningObjectTable(0, &ROT);
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r = IRunningObjectTable_Revoke(ROT, dwRegister);
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IRunningObjectTable_Release(ROT);
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return r;
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}
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static HRESULT WINAPI IHlinkBC_SetBrowseWindowInfo(IHlinkBrowseContext* iface,
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HLBWINFO *phlbwi)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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TRACE("(%p)->(%p)\n", This, phlbwi);
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if(!phlbwi)
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return E_INVALIDARG;
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heap_free(This->BrowseWindowInfo);
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This->BrowseWindowInfo = heap_alloc(phlbwi->cbSize);
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memcpy(This->BrowseWindowInfo, phlbwi, phlbwi->cbSize);
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return S_OK;
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}
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static HRESULT WINAPI IHlinkBC_GetBrowseWindowInfo(IHlinkBrowseContext* iface,
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HLBWINFO *phlbwi)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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TRACE("(%p)->(%p)\n", This, phlbwi);
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if(!phlbwi)
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return E_INVALIDARG;
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if(!This->BrowseWindowInfo)
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phlbwi->cbSize = 0;
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else
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memcpy(phlbwi, This->BrowseWindowInfo, This->BrowseWindowInfo->cbSize);
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return S_OK;
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}
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static HRESULT WINAPI IHlinkBC_SetInitialHlink(IHlinkBrowseContext* iface,
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IMoniker *pimkTarget, LPCWSTR pwzLocation, LPCWSTR pwzFriendlyName)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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struct link_entry *link;
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TRACE("(%p)->(%p %s %s)\n", This, pimkTarget, debugstr_w(pwzLocation), debugstr_w(pwzFriendlyName));
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if (!list_empty(&This->links))
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return CO_E_ALREADYINITIALIZED;
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link = heap_alloc(sizeof(struct link_entry));
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if (!link) return E_OUTOFMEMORY;
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HlinkCreateFromMoniker(pimkTarget, pwzLocation, pwzFriendlyName, NULL,
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0, NULL, &IID_IHlink, (void**)&link->link);
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list_add_head(&This->links, &link->entry);
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This->current = LIST_ENTRY(list_head(&This->links), struct link_entry, entry);
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return S_OK;
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}
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static HRESULT WINAPI IHlinkBC_OnNavigateHlink(IHlinkBrowseContext *iface,
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DWORD grfHLNF, IMoniker* pmkTarget, LPCWSTR pwzLocation, LPCWSTR
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pwzFriendlyName, ULONG *puHLID)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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FIXME("(%p)->(%i %p %s %s %p)\n", This, grfHLNF, pmkTarget,
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debugstr_w(pwzLocation), debugstr_w(pwzFriendlyName), puHLID);
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return S_OK;
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}
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static struct link_entry *context_get_entry(HlinkBCImpl *ctxt, ULONG hlid)
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{
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struct list *entry;
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switch (hlid)
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{
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case HLID_PREVIOUS:
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entry = list_prev(&ctxt->links, &ctxt->current->entry);
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break;
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case HLID_NEXT:
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entry = list_next(&ctxt->links, &ctxt->current->entry);
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break;
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case HLID_CURRENT:
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entry = &ctxt->current->entry;
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break;
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case HLID_STACKBOTTOM:
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entry = list_tail(&ctxt->links);
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break;
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case HLID_STACKTOP:
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entry = list_head(&ctxt->links);
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break;
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default:
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WARN("unknown id 0x%x\n", hlid);
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entry = NULL;
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}
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return entry ? LIST_ENTRY(entry, struct link_entry, entry) : NULL;
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}
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static HRESULT WINAPI IHlinkBC_UpdateHlink(IHlinkBrowseContext* iface,
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ULONG hlid, IMoniker *target, LPCWSTR location, LPCWSTR friendly_name)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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struct link_entry *entry = context_get_entry(This, hlid);
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IHlink *link;
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HRESULT hr;
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TRACE("(%p)->(0x%x %p %s %s)\n", This, hlid, target, debugstr_w(location), debugstr_w(friendly_name));
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if (!entry)
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return E_INVALIDARG;
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hr = HlinkCreateFromMoniker(target, location, friendly_name, NULL, 0, NULL, &IID_IHlink, (void**)&link);
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if (FAILED(hr))
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return hr;
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IHlink_Release(entry->link);
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entry->link = link;
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return S_OK;
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}
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static HRESULT WINAPI IHlinkBC_EnumNavigationStack( IHlinkBrowseContext *iface,
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DWORD dwReserved, DWORD grfHLFNAMEF, IEnumHLITEM** ppienumhlitem)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IHlinkBC_QueryHlink( IHlinkBrowseContext* iface,
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DWORD grfHLONG, ULONG uHLID)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IHlinkBC_GetHlink(IHlinkBrowseContext* iface, ULONG hlid, IHlink **ret)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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struct link_entry *link;
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TRACE("(%p)->(0x%x %p)\n", This, hlid, ret);
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link = context_get_entry(This, hlid);
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if (!link)
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return E_FAIL;
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*ret = link->link;
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IHlink_AddRef(*ret);
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return S_OK;
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}
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static HRESULT WINAPI IHlinkBC_SetCurrentHlink(IHlinkBrowseContext* iface, ULONG hlid)
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{
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HlinkBCImpl *This = impl_from_IHlinkBrowseContext(iface);
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struct link_entry *link;
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TRACE("(%p)->(0x%08x)\n", This, hlid);
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link = context_get_entry(This, hlid);
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if (!link)
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return E_FAIL;
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This->current = link;
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return S_OK;
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}
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static HRESULT WINAPI IHlinkBC_Clone( IHlinkBrowseContext* iface,
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IUnknown* piunkOuter, REFIID riid, IUnknown** ppiunkOjb)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static HRESULT WINAPI IHlinkBC_Close(IHlinkBrowseContext* iface,
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DWORD reserved)
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{
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FIXME("\n");
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return E_NOTIMPL;
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}
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static const IHlinkBrowseContextVtbl hlvt =
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{
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IHlinkBC_fnQueryInterface,
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IHlinkBC_fnAddRef,
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IHlinkBC_fnRelease,
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IHlinkBC_Register,
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IHlinkBC_GetObject,
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IHlinkBC_Revoke,
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IHlinkBC_SetBrowseWindowInfo,
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IHlinkBC_GetBrowseWindowInfo,
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IHlinkBC_SetInitialHlink,
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IHlinkBC_OnNavigateHlink,
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IHlinkBC_UpdateHlink,
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IHlinkBC_EnumNavigationStack,
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IHlinkBC_QueryHlink,
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IHlinkBC_GetHlink,
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IHlinkBC_SetCurrentHlink,
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IHlinkBC_Clone,
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IHlinkBC_Close
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};
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HRESULT HLinkBrowseContext_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv)
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{
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HlinkBCImpl * hl;
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TRACE("unkOut=%p riid=%s\n", pUnkOuter, debugstr_guid(riid));
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*ppv = NULL;
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if (pUnkOuter)
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return CLASS_E_NOAGGREGATION;
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hl = heap_alloc_zero(sizeof(HlinkBCImpl));
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if (!hl)
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return E_OUTOFMEMORY;
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hl->ref = 1;
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hl->IHlinkBrowseContext_iface.lpVtbl = &hlvt;
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list_init(&hl->links);
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hl->current = NULL;
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*ppv = hl;
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return S_OK;
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}
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