reactos/dll/win32/hlink/link.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 <shellapi.h>
#define HLINK_SAVE_MAGIC 0x00000002
#define HLINK_SAVE_MONIKER_PRESENT 0x01
#define HLINK_SAVE_MONIKER_IS_ABSOLUTE 0x02
#define HLINK_SAVE_LOCATION_PRESENT 0x08
#define HLINK_SAVE_FRIENDLY_PRESENT 0x10
/* 0x20, 0x40 unknown */
#define HLINK_SAVE_TARGET_FRAME_PRESENT 0x80
/* known flags */
#define HLINK_SAVE_ALL (HLINK_SAVE_TARGET_FRAME_PRESENT|HLINK_SAVE_FRIENDLY_PRESENT|HLINK_SAVE_LOCATION_PRESENT|0x04|HLINK_SAVE_MONIKER_IS_ABSOLUTE|HLINK_SAVE_MONIKER_PRESENT)
typedef struct
{
IHlink IHlink_iface;
LONG ref;
IPersistStream IPersistStream_iface;
IDataObject IDataObject_iface;
LPWSTR FriendlyName;
LPWSTR Location;
LPWSTR TargetFrameName;
IMoniker *Moniker;
IHlinkSite *Site;
DWORD SiteData;
BOOL absolute;
} HlinkImpl;
static inline HlinkImpl *impl_from_IHlink(IHlink *iface)
{
return CONTAINING_RECORD(iface, HlinkImpl, IHlink_iface);
}
static inline HlinkImpl* impl_from_IPersistStream( IPersistStream* iface)
{
return CONTAINING_RECORD(iface, HlinkImpl, IPersistStream_iface);
}
static inline HlinkImpl* impl_from_IDataObject( IDataObject* iface)
{
return CONTAINING_RECORD(iface, HlinkImpl, IDataObject_iface);
}
static HRESULT __GetMoniker(HlinkImpl* This, IMoniker** moniker,
DWORD ref_type)
{
HRESULT hres;
if (ref_type == HLINKGETREF_DEFAULT)
ref_type = HLINKGETREF_RELATIVE;
if (This->Moniker)
{
DWORD mktype = MKSYS_NONE;
hres = IMoniker_IsSystemMoniker(This->Moniker, &mktype);
if (hres == S_OK && mktype != MKSYS_NONE)
{
*moniker = This->Moniker;
IMoniker_AddRef(*moniker);
return S_OK;
}
}
if (ref_type == HLINKGETREF_ABSOLUTE && This->Site)
{
IMoniker *hls_moniker;
hres = IHlinkSite_GetMoniker(This->Site, This->SiteData,
OLEGETMONIKER_FORCEASSIGN, OLEWHICHMK_CONTAINER, &hls_moniker);
if (FAILED(hres))
return hres;
if (This->Moniker)
{
hres = IMoniker_ComposeWith(hls_moniker, This->Moniker, FALSE,
moniker);
IMoniker_Release(hls_moniker);
return hres;
}
*moniker = hls_moniker;
return S_OK;
}
*moniker = This->Moniker;
if (*moniker)
IMoniker_AddRef(*moniker);
return S_OK;
}
static HRESULT WINAPI IHlink_fnQueryInterface(IHlink* iface, REFIID riid,
LPVOID *ppvObj)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE ("(%p)->(%s,%p)\n", This, debugstr_guid (riid), ppvObj);
*ppvObj = NULL;
if (IsEqualIID(riid, &IID_IUnknown) || (IsEqualIID(riid, &IID_IHlink)))
*ppvObj = This;
else if (IsEqualIID(riid, &IID_IPersistStream))
*ppvObj = &This->IPersistStream_iface;
else if (IsEqualIID(riid, &IID_IDataObject))
*ppvObj = &This->IDataObject_iface;
if (*ppvObj)
{
IUnknown_AddRef((IUnknown*)(*ppvObj));
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI IHlink_fnAddRef (IHlink* iface)
{
HlinkImpl *This = impl_from_IHlink(iface);
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(count=%u)\n", This, refCount - 1);
return refCount;
}
static ULONG WINAPI IHlink_fnRelease (IHlink* iface)
{
HlinkImpl *This = impl_from_IHlink(iface);
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(count=%u)\n", This, refCount + 1);
if (refCount)
return refCount;
TRACE("-- destroying IHlink (%p)\n", This);
heap_free(This->FriendlyName);
heap_free(This->TargetFrameName);
heap_free(This->Location);
if (This->Moniker)
IMoniker_Release(This->Moniker);
if (This->Site)
IHlinkSite_Release(This->Site);
heap_free(This);
return 0;
}
static HRESULT WINAPI IHlink_fnSetHlinkSite( IHlink* iface,
IHlinkSite* pihlSite, DWORD dwSiteData)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p)->(%p %i)\n", This, pihlSite, dwSiteData);
if (This->Site)
IHlinkSite_Release(This->Site);
This->Site = pihlSite;
if (This->Site)
IHlinkSite_AddRef(This->Site);
This->SiteData = dwSiteData;
return S_OK;
}
static HRESULT WINAPI IHlink_fnGetHlinkSite( IHlink* iface,
IHlinkSite** ppihlSite, DWORD *pdwSiteData)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p)->(%p %p)\n", This, ppihlSite, pdwSiteData);
*ppihlSite = This->Site;
if (This->Site) {
IHlinkSite_AddRef(This->Site);
*pdwSiteData = This->SiteData;
}
return S_OK;
}
static HRESULT WINAPI IHlink_fnSetMonikerReference( IHlink* iface,
DWORD rfHLSETF, IMoniker *pmkTarget, LPCWSTR pwzLocation)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p)->(%i %p %s)\n", This, rfHLSETF, pmkTarget,
debugstr_w(pwzLocation));
if(rfHLSETF == 0)
return E_INVALIDARG;
if(!(rfHLSETF & (HLINKSETF_TARGET | HLINKSETF_LOCATION)))
return rfHLSETF;
if(rfHLSETF & HLINKSETF_TARGET){
if (This->Moniker)
IMoniker_Release(This->Moniker);
This->Moniker = pmkTarget;
if (This->Moniker)
{
IBindCtx *pbc;
LPOLESTR display_name;
IMoniker_AddRef(This->Moniker);
CreateBindCtx( 0, &pbc);
IMoniker_GetDisplayName(This->Moniker, pbc, NULL, &display_name);
IBindCtx_Release(pbc);
This->absolute = display_name && strchrW(display_name, ':');
CoTaskMemFree(display_name);
}
}
if(rfHLSETF & HLINKSETF_LOCATION){
heap_free(This->Location);
This->Location = hlink_strdupW( pwzLocation );
}
return S_OK;
}
static HRESULT WINAPI IHlink_fnSetStringReference(IHlink* iface,
DWORD grfHLSETF, LPCWSTR pwzTarget, LPCWSTR pwzLocation)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p)->(%i %s %s)\n", This, grfHLSETF, debugstr_w(pwzTarget),
debugstr_w(pwzLocation));
if(grfHLSETF > (HLINKSETF_TARGET | HLINKSETF_LOCATION) &&
grfHLSETF < -(HLINKSETF_TARGET | HLINKSETF_LOCATION))
return grfHLSETF;
if (grfHLSETF & HLINKSETF_TARGET)
{
if (This->Moniker)
{
IMoniker_Release(This->Moniker);
This->Moniker = NULL;
}
if (pwzTarget && *pwzTarget)
{
IMoniker *pMon;
IBindCtx *pbc = NULL;
ULONG eaten;
HRESULT r;
r = CreateBindCtx(0, &pbc);
if (FAILED(r))
return E_OUTOFMEMORY;
r = MkParseDisplayName(pbc, pwzTarget, &eaten, &pMon);
IBindCtx_Release(pbc);
if (FAILED(r))
{
LPCWSTR p = strchrW(pwzTarget, ':');
if (p && (p - pwzTarget > 1))
r = CreateURLMoniker(NULL, pwzTarget, &pMon);
else
r = CreateFileMoniker(pwzTarget, &pMon);
if (FAILED(r))
{
ERR("couldn't create moniker for %s, failed with error 0x%08x\n",
debugstr_w(pwzTarget), r);
return r;
}
}
IHlink_SetMonikerReference(iface, HLINKSETF_TARGET, pMon, NULL);
IMoniker_Release(pMon);
}
}
if (grfHLSETF & HLINKSETF_LOCATION)
{
heap_free(This->Location);
This->Location = NULL;
if (pwzLocation && *pwzLocation)
This->Location = hlink_strdupW( pwzLocation );
}
return S_OK;
}
static HRESULT WINAPI IHlink_fnGetMonikerReference(IHlink* iface,
DWORD dwWhichRef, IMoniker **ppimkTarget, LPWSTR *ppwzLocation)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p) -> (%i %p %p)\n", This, dwWhichRef, ppimkTarget,
ppwzLocation);
if (ppimkTarget)
{
HRESULT hres = __GetMoniker(This, ppimkTarget, dwWhichRef);
if (FAILED(hres))
{
if (ppwzLocation)
*ppwzLocation = NULL;
return hres;
}
}
if (ppwzLocation)
IHlink_GetStringReference(iface, dwWhichRef, NULL, ppwzLocation);
return S_OK;
}
static HRESULT WINAPI IHlink_fnGetStringReference (IHlink* iface,
DWORD dwWhichRef, LPWSTR *ppwzTarget, LPWSTR *ppwzLocation)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p) -> (%i %p %p)\n", This, dwWhichRef, ppwzTarget, ppwzLocation);
if(dwWhichRef != -1 && dwWhichRef & ~(HLINKGETREF_DEFAULT | HLINKGETREF_ABSOLUTE | HLINKGETREF_RELATIVE))
{
if(ppwzTarget)
*ppwzTarget = NULL;
if(ppwzLocation)
*ppwzLocation = NULL;
return E_INVALIDARG;
}
if (ppwzTarget)
{
IMoniker* mon;
HRESULT hres = __GetMoniker(This, &mon, dwWhichRef);
if (FAILED(hres))
{
if (ppwzLocation)
*ppwzLocation = NULL;
return hres;
}
if (mon)
{
IBindCtx *pbc;
CreateBindCtx( 0, &pbc);
IMoniker_GetDisplayName(mon, pbc, NULL, ppwzTarget);
IBindCtx_Release(pbc);
IMoniker_Release(mon);
}
else
*ppwzTarget = NULL;
}
if (ppwzLocation)
*ppwzLocation = hlink_co_strdupW( This->Location );
TRACE("(Target: %s Location: %s)\n",
(ppwzTarget)?debugstr_w(*ppwzTarget):"<NULL>",
(ppwzLocation)?debugstr_w(*ppwzLocation):"<NULL>");
return S_OK;
}
static HRESULT WINAPI IHlink_fnSetFriendlyName (IHlink *iface,
LPCWSTR pwzFriendlyName)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p) -> (%s)\n", This, debugstr_w(pwzFriendlyName));
heap_free(This->FriendlyName);
This->FriendlyName = hlink_strdupW( pwzFriendlyName );
return S_OK;
}
static HRESULT WINAPI IHlink_fnGetFriendlyName (IHlink* iface,
DWORD grfHLFNAMEF, LPWSTR* ppwzFriendlyName)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p) -> (%i %p)\n", This, grfHLFNAMEF, ppwzFriendlyName);
/* FIXME: Only using explicitly set and cached friendly names */
if (This->FriendlyName)
*ppwzFriendlyName = hlink_co_strdupW( This->FriendlyName );
else
{
IMoniker *moniker;
HRESULT hres = __GetMoniker(This, &moniker, HLINKGETREF_DEFAULT);
if (FAILED(hres))
{
*ppwzFriendlyName = NULL;
return hres;
}
if (moniker)
{
IBindCtx *bcxt;
CreateBindCtx(0, &bcxt);
IMoniker_GetDisplayName(moniker, bcxt, NULL, ppwzFriendlyName);
IBindCtx_Release(bcxt);
IMoniker_Release(moniker);
}
else
*ppwzFriendlyName = NULL;
}
return S_OK;
}
static HRESULT WINAPI IHlink_fnSetTargetFrameName(IHlink* iface,
LPCWSTR pwzTargetFramename)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p)->(%s)\n", This, debugstr_w(pwzTargetFramename));
heap_free(This->TargetFrameName);
This->TargetFrameName = hlink_strdupW( pwzTargetFramename );
return S_OK;
}
static HRESULT WINAPI IHlink_fnGetTargetFrameName(IHlink* iface,
LPWSTR *ppwzTargetFrameName)
{
HlinkImpl *This = impl_from_IHlink(iface);
TRACE("(%p)->(%p)\n", This, ppwzTargetFrameName);
if(!This->TargetFrameName) {
*ppwzTargetFrameName = NULL;
return S_FALSE;
}
*ppwzTargetFrameName = hlink_co_strdupW( This->TargetFrameName );
if(!*ppwzTargetFrameName)
return E_OUTOFMEMORY;
return S_OK;
}
static HRESULT WINAPI IHlink_fnGetMiscStatus(IHlink* iface, DWORD* pdwStatus)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IHlink_fnNavigate(IHlink* iface, DWORD grfHLNF, LPBC pbc,
IBindStatusCallback *pbsc, IHlinkBrowseContext *phbc)
{
HlinkImpl *This = impl_from_IHlink(iface);
IMoniker *mon = NULL;
HRESULT r;
FIXME("Semi-Stub:(%p)->(%i %p %p %p)\n", This, grfHLNF, pbc, pbsc, phbc);
r = __GetMoniker(This, &mon, HLINKGETREF_ABSOLUTE);
TRACE("Moniker %p\n", mon);
if (SUCCEEDED(r))
{
IBindCtx *bcxt;
IUnknown *unk = NULL;
IHlinkTarget *target;
CreateBindCtx(0, &bcxt);
RegisterBindStatusCallback(bcxt, pbsc, NULL, 0);
r = IMoniker_BindToObject(mon, bcxt, NULL, &IID_IUnknown, (void**)&unk);
if (r == S_OK)
{
r = IUnknown_QueryInterface(unk, &IID_IHlinkTarget, (void**)&target);
IUnknown_Release(unk);
}
if (r == S_OK)
{
IHlinkTarget_SetBrowseContext(target, phbc);
r = IHlinkTarget_Navigate(target, grfHLNF, This->Location);
IHlinkTarget_Release(target);
}
else
{
static const WCHAR szOpen[] = {'o','p','e','n',0};
LPWSTR target = NULL;
r = IHlink_GetStringReference(iface, HLINKGETREF_DEFAULT, &target, NULL);
if (SUCCEEDED(r) && target)
{
ShellExecuteW(NULL, szOpen, target, NULL, NULL, SW_SHOW);
CoTaskMemFree(target);
}
}
RevokeBindStatusCallback(bcxt, pbsc);
IBindCtx_Release(bcxt);
IMoniker_Release(mon);
}
if (This->Site)
IHlinkSite_OnNavigationComplete(This->Site, This->SiteData, 0, r, NULL);
TRACE("Finished Navigation\n");
return r;
}
static HRESULT WINAPI IHlink_fnSetAdditionalParams(IHlink* iface,
LPCWSTR pwzAdditionalParams)
{
TRACE("Not implemented in native IHlink\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IHlink_fnGetAdditionalParams(IHlink* iface,
LPWSTR* ppwzAdditionalParams)
{
TRACE("Not implemented in native IHlink\n");
return E_NOTIMPL;
}
static const IHlinkVtbl hlvt =
{
IHlink_fnQueryInterface,
IHlink_fnAddRef,
IHlink_fnRelease,
IHlink_fnSetHlinkSite,
IHlink_fnGetHlinkSite,
IHlink_fnSetMonikerReference,
IHlink_fnGetMonikerReference,
IHlink_fnSetStringReference,
IHlink_fnGetStringReference,
IHlink_fnSetFriendlyName,
IHlink_fnGetFriendlyName,
IHlink_fnSetTargetFrameName,
IHlink_fnGetTargetFrameName,
IHlink_fnGetMiscStatus,
IHlink_fnNavigate,
IHlink_fnSetAdditionalParams,
IHlink_fnGetAdditionalParams
};
static HRESULT WINAPI IDataObject_fnQueryInterface(IDataObject* iface,
REFIID riid, LPVOID *ppvObj)
{
HlinkImpl *This = impl_from_IDataObject(iface);
TRACE("%p\n", This);
return IHlink_QueryInterface(&This->IHlink_iface, riid, ppvObj);
}
static ULONG WINAPI IDataObject_fnAddRef (IDataObject* iface)
{
HlinkImpl *This = impl_from_IDataObject(iface);
TRACE("%p\n", This);
return IHlink_AddRef(&This->IHlink_iface);
}
static ULONG WINAPI IDataObject_fnRelease (IDataObject* iface)
{
HlinkImpl *This = impl_from_IDataObject(iface);
TRACE("%p\n", This);
return IHlink_Release(&This->IHlink_iface);
}
static HRESULT WINAPI IDataObject_fnGetData(IDataObject* iface,
FORMATETC* pformatetcIn, STGMEDIUM* pmedium)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_fnGetDataHere(IDataObject* iface,
FORMATETC* pformatetc, STGMEDIUM* pmedium)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_fnQueryGetData(IDataObject* iface,
FORMATETC* pformatetc)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_fnGetConicalFormatEtc(IDataObject* iface,
FORMATETC* pformatetcIn, FORMATETC* pformatetcOut)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_fnSetData(IDataObject* iface,
FORMATETC* pformatetc, STGMEDIUM* pmedium, BOOL fRelease)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_fnEnumFormatEtc(IDataObject* iface,
DWORD dwDirection, IEnumFORMATETC** ppenumFormatEtc)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_fnDAdvise(IDataObject* iface,
FORMATETC* pformatetc, DWORD advf, IAdviseSink* pAdvSink,
DWORD* pdwConnection)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_fnDUnadvise(IDataObject* iface,
DWORD dwConnection)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT WINAPI IDataObject_fnEnumDAdvise(IDataObject* iface,
IEnumSTATDATA** ppenumAdvise)
{
FIXME("\n");
return E_NOTIMPL;
}
static const IDataObjectVtbl dovt =
{
IDataObject_fnQueryInterface,
IDataObject_fnAddRef,
IDataObject_fnRelease,
IDataObject_fnGetData,
IDataObject_fnGetDataHere,
IDataObject_fnQueryGetData,
IDataObject_fnGetConicalFormatEtc,
IDataObject_fnSetData,
IDataObject_fnEnumFormatEtc,
IDataObject_fnDAdvise,
IDataObject_fnDUnadvise,
IDataObject_fnEnumDAdvise
};
static HRESULT WINAPI IPersistStream_fnQueryInterface(IPersistStream* iface,
REFIID riid, LPVOID *ppvObj)
{
HlinkImpl *This = impl_from_IPersistStream(iface);
TRACE("(%p)\n", This);
return IHlink_QueryInterface(&This->IHlink_iface, riid, ppvObj);
}
static ULONG WINAPI IPersistStream_fnAddRef (IPersistStream* iface)
{
HlinkImpl *This = impl_from_IPersistStream(iface);
TRACE("(%p)\n", This);
return IHlink_AddRef(&This->IHlink_iface);
}
static ULONG WINAPI IPersistStream_fnRelease (IPersistStream* iface)
{
HlinkImpl *This = impl_from_IPersistStream(iface);
TRACE("(%p)\n", This);
return IHlink_Release(&This->IHlink_iface);
}
static HRESULT WINAPI IPersistStream_fnGetClassID(IPersistStream* iface,
CLSID* pClassID)
{
HlinkImpl *This = impl_from_IPersistStream(iface);
TRACE("(%p)\n", This);
*pClassID = CLSID_StdHlink;
return S_OK;
}
static HRESULT WINAPI IPersistStream_fnIsDirty(IPersistStream* iface)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT write_hlink_string(IStream *pStm, LPCWSTR str)
{
DWORD len;
HRESULT hr;
TRACE("(%p, %s)\n", pStm, debugstr_w(str));
len = strlenW(str) + 1;
hr = IStream_Write(pStm, &len, sizeof(len), NULL);
if (FAILED(hr)) return hr;
hr = IStream_Write(pStm, str, len * sizeof(WCHAR), NULL);
if (FAILED(hr)) return hr;
return S_OK;
}
static inline ULONG size_hlink_string(LPCWSTR str)
{
return sizeof(DWORD) + (strlenW(str) + 1) * sizeof(WCHAR);
}
static HRESULT read_hlink_string(IStream *pStm, LPWSTR *out_str)
{
LPWSTR str;
DWORD len;
ULONG read;
HRESULT hr;
hr = IStream_Read(pStm, &len, sizeof(len), &read);
if (FAILED(hr)) return hr;
if (read != sizeof(len)) return STG_E_READFAULT;
TRACE("read len %d\n", len);
str = heap_alloc(len * sizeof(WCHAR));
if (!str) return E_OUTOFMEMORY;
hr = IStream_Read(pStm, str, len * sizeof(WCHAR), &read);
if (FAILED(hr))
{
heap_free(str);
return hr;
}
if (read != len * sizeof(WCHAR))
{
heap_free(str);
return STG_E_READFAULT;
}
TRACE("read string %s\n", debugstr_w(str));
*out_str = str;
return S_OK;
}
static HRESULT WINAPI IPersistStream_fnLoad(IPersistStream* iface,
IStream* pStm)
{
HRESULT r;
DWORD hdr[2];
DWORD read;
HlinkImpl *This = impl_from_IPersistStream(iface);
r = IStream_Read(pStm, hdr, sizeof(hdr), &read);
if (read != sizeof(hdr) || (hdr[0] != HLINK_SAVE_MAGIC))
{
r = E_FAIL;
goto end;
}
if (hdr[1] & ~HLINK_SAVE_ALL)
FIXME("unknown flag(s) 0x%x\n", hdr[1] & ~HLINK_SAVE_ALL);
if (hdr[1] & HLINK_SAVE_TARGET_FRAME_PRESENT)
{
TRACE("loading target frame name\n");
r = read_hlink_string(pStm, &This->TargetFrameName);
if (FAILED(r)) goto end;
}
if (hdr[1] & HLINK_SAVE_FRIENDLY_PRESENT)
{
TRACE("loading target friendly name\n");
if (!(hdr[1] & 0x4))
FIXME("0x4 flag not present with friendly name flag - not sure what this means\n");
r = read_hlink_string(pStm, &This->FriendlyName);
if (FAILED(r)) goto end;
}
if (hdr[1] & HLINK_SAVE_MONIKER_PRESENT)
{
TRACE("loading moniker\n");
r = OleLoadFromStream(pStm, &IID_IMoniker, (LPVOID*)&(This->Moniker));
if (FAILED(r))
goto end;
This->absolute = (hdr[1] & HLINK_SAVE_MONIKER_IS_ABSOLUTE) != 0;
}
if (hdr[1] & HLINK_SAVE_LOCATION_PRESENT)
{
TRACE("loading location\n");
r = read_hlink_string(pStm, &This->Location);
if (FAILED(r)) goto end;
}
end:
TRACE("Load Result 0x%x (%p)\n", r, This->Moniker);
return r;
}
static HRESULT WINAPI IPersistStream_fnSave(IPersistStream* iface,
IStream* pStm, BOOL fClearDirty)
{
HRESULT r;
HlinkImpl *This = impl_from_IPersistStream(iface);
DWORD hdr[2];
IMoniker *moniker;
TRACE("(%p) Moniker(%p)\n", This, This->Moniker);
r = __GetMoniker(This, &moniker, HLINKGETREF_DEFAULT);
if (FAILED(r))
return r;
r = E_FAIL;
hdr[0] = HLINK_SAVE_MAGIC;
hdr[1] = 0;
if (moniker)
hdr[1] |= HLINK_SAVE_MONIKER_PRESENT;
if (This->absolute)
hdr[1] |= HLINK_SAVE_MONIKER_IS_ABSOLUTE;
if (This->Location)
hdr[1] |= HLINK_SAVE_LOCATION_PRESENT;
if (This->FriendlyName)
hdr[1] |= HLINK_SAVE_FRIENDLY_PRESENT | 4 /* FIXME */;
if (This->TargetFrameName)
hdr[1] |= HLINK_SAVE_TARGET_FRAME_PRESENT;
IStream_Write(pStm, hdr, sizeof(hdr), NULL);
if (This->TargetFrameName)
{
r = write_hlink_string(pStm, This->TargetFrameName);
if (FAILED(r)) goto end;
}
if (This->FriendlyName)
{
r = write_hlink_string(pStm, This->FriendlyName);
if (FAILED(r)) goto end;
}
if (moniker)
{
IPersistStream* monstream;
monstream = NULL;
IMoniker_QueryInterface(moniker, &IID_IPersistStream,
(LPVOID*)&monstream);
if (monstream)
{
r = OleSaveToStream(monstream, pStm);
IPersistStream_Release(monstream);
}
if (FAILED(r)) goto end;
}
if (This->Location)
{
r = write_hlink_string(pStm, This->Location);
if (FAILED(r)) goto end;
}
end:
if (moniker) IMoniker_Release(moniker);
TRACE("Save Result 0x%x\n", r);
return r;
}
static HRESULT WINAPI IPersistStream_fnGetSizeMax(IPersistStream* iface,
ULARGE_INTEGER* pcbSize)
{
HRESULT r;
HlinkImpl *This = impl_from_IPersistStream(iface);
IMoniker *moniker;
TRACE("(%p) Moniker(%p)\n", This, This->Moniker);
pcbSize->QuadPart = sizeof(DWORD)*2;
if (This->TargetFrameName)
pcbSize->QuadPart += size_hlink_string(This->TargetFrameName);
if (This->FriendlyName)
pcbSize->QuadPart += size_hlink_string(This->FriendlyName);
r = __GetMoniker(This, &moniker, HLINKGETREF_DEFAULT);
if (FAILED(r))
return r;
r = E_FAIL;
if (moniker)
{
IPersistStream* monstream = NULL;
IMoniker_QueryInterface(moniker, &IID_IPersistStream,
(LPVOID*)&monstream);
if (monstream)
{
ULARGE_INTEGER mon_size;
r = IPersistStream_GetSizeMax(monstream, &mon_size);
pcbSize->QuadPart += mon_size.QuadPart;
IPersistStream_Release(monstream);
}
IMoniker_Release(moniker);
}
if (This->Location)
pcbSize->QuadPart += size_hlink_string(This->Location);
return r;
}
static const IPersistStreamVtbl psvt =
{
IPersistStream_fnQueryInterface,
IPersistStream_fnAddRef,
IPersistStream_fnRelease,
IPersistStream_fnGetClassID,
IPersistStream_fnIsDirty,
IPersistStream_fnLoad,
IPersistStream_fnSave,
IPersistStream_fnGetSizeMax,
};
HRESULT HLink_Constructor(IUnknown *pUnkOuter, REFIID riid, void **ppv)
{
HlinkImpl * hl;
TRACE("unkOut=%p riid=%s\n", pUnkOuter, debugstr_guid(riid));
*ppv = NULL;
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
hl = heap_alloc_zero(sizeof(HlinkImpl));
if (!hl)
return E_OUTOFMEMORY;
hl->ref = 1;
hl->IHlink_iface.lpVtbl = &hlvt;
hl->IPersistStream_iface.lpVtbl = &psvt;
hl->IDataObject_iface.lpVtbl = &dovt;
*ppv = hl;
return S_OK;
}