reactos/dll/win32/hlink/browse_ctx.c

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