mirror of
https://github.com/reactos/reactos.git
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441 lines
13 KiB
C
441 lines
13 KiB
C
/*
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* Copyright 2006 Jacek Caban 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 "mshtml_private.h"
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typedef struct {
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IEnumConnections IEnumConnections_iface;
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LONG ref;
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unsigned iter;
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ConnectionPoint *cp;
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} EnumConnections;
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static inline EnumConnections *impl_from_IEnumConnections(IEnumConnections *iface)
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{
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return CONTAINING_RECORD(iface, EnumConnections, IEnumConnections_iface);
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}
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static HRESULT WINAPI EnumConnections_QueryInterface(IEnumConnections *iface, REFIID riid, void **ppv)
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{
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EnumConnections *This = impl_from_IEnumConnections(iface);
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TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
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if(IsEqualGUID(riid, &IID_IUnknown)) {
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*ppv = &This->IEnumConnections_iface;
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}else if(IsEqualGUID(riid, &IID_IEnumConnections)) {
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*ppv = &This->IEnumConnections_iface;
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}else {
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WARN("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI EnumConnections_AddRef(IEnumConnections *iface)
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{
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EnumConnections *This = impl_from_IEnumConnections(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) ref=%d\n", This, ref);
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return ref;
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}
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static ULONG WINAPI EnumConnections_Release(IEnumConnections *iface)
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{
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EnumConnections *This = impl_from_IEnumConnections(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) ref=%d\n", This, ref);
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if(!ref) {
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IConnectionPoint_Release(&This->cp->IConnectionPoint_iface);
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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 HRESULT WINAPI EnumConnections_Next(IEnumConnections *iface, ULONG cConnections, CONNECTDATA *rgcd, ULONG *pcFetched)
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{
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EnumConnections *This = impl_from_IEnumConnections(iface);
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ULONG fetched = 0;
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TRACE("(%p)->(%d %p %p)\n", This, cConnections, rgcd, pcFetched);
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while(fetched < cConnections && This->iter < This->cp->sinks_size) {
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if(!This->cp->sinks[This->iter].unk) {
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This->iter++;
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continue;
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}
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rgcd[fetched].pUnk = This->cp->sinks[This->iter].unk;
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rgcd[fetched].dwCookie = ++This->iter;
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IUnknown_AddRef(rgcd[fetched].pUnk);
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fetched++;
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}
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if(pcFetched)
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*pcFetched = fetched;
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return fetched == cConnections ? S_OK : S_FALSE;
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}
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static HRESULT WINAPI EnumConnections_Skip(IEnumConnections *iface, ULONG cConnections)
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{
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EnumConnections *This = impl_from_IEnumConnections(iface);
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FIXME("(%p)->(%d)\n", This, cConnections);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI EnumConnections_Reset(IEnumConnections *iface)
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{
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EnumConnections *This = impl_from_IEnumConnections(iface);
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FIXME("(%p)\n", This);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI EnumConnections_Clone(IEnumConnections *iface, IEnumConnections **ppEnum)
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{
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EnumConnections *This = impl_from_IEnumConnections(iface);
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FIXME("(%p)->(%p)\n", This, ppEnum);
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return E_NOTIMPL;
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}
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static const IEnumConnectionsVtbl EnumConnectionsVtbl = {
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EnumConnections_QueryInterface,
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EnumConnections_AddRef,
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EnumConnections_Release,
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EnumConnections_Next,
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EnumConnections_Skip,
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EnumConnections_Reset,
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EnumConnections_Clone
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};
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static inline ConnectionPoint *impl_from_IConnectionPoint(IConnectionPoint *iface)
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{
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return CONTAINING_RECORD(iface, ConnectionPoint, IConnectionPoint_iface);
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}
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static HRESULT WINAPI ConnectionPoint_QueryInterface(IConnectionPoint *iface,
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REFIID riid, LPVOID *ppv)
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{
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ConnectionPoint *This = impl_from_IConnectionPoint(iface);
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TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
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if(IsEqualGUID(&IID_IUnknown, riid)) {
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*ppv = &This->IConnectionPoint_iface;
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}else if(IsEqualGUID(&IID_IConnectionPoint, riid)) {
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*ppv = &This->IConnectionPoint_iface;
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}else {
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*ppv = NULL;
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WARN("Unsupported interface %s\n", debugstr_mshtml_guid(riid));
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ppv);
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return S_OK;
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}
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static ULONG WINAPI ConnectionPoint_AddRef(IConnectionPoint *iface)
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{
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ConnectionPoint *This = impl_from_IConnectionPoint(iface);
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return IConnectionPointContainer_AddRef(&This->container->IConnectionPointContainer_iface);
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}
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static ULONG WINAPI ConnectionPoint_Release(IConnectionPoint *iface)
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{
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ConnectionPoint *This = impl_from_IConnectionPoint(iface);
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return IConnectionPointContainer_Release(&This->container->IConnectionPointContainer_iface);
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}
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static HRESULT WINAPI ConnectionPoint_GetConnectionInterface(IConnectionPoint *iface, IID *pIID)
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{
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ConnectionPoint *This = impl_from_IConnectionPoint(iface);
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TRACE("(%p)->(%p)\n", This, pIID);
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if(!pIID)
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return E_POINTER;
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*pIID = *This->iid;
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return S_OK;
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}
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static HRESULT WINAPI ConnectionPoint_GetConnectionPointContainer(IConnectionPoint *iface,
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IConnectionPointContainer **ppCPC)
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{
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ConnectionPoint *This = impl_from_IConnectionPoint(iface);
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TRACE("(%p)->(%p)\n", This, ppCPC);
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if(!ppCPC)
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return E_POINTER;
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*ppCPC = &This->container->IConnectionPointContainer_iface;
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IConnectionPointContainer_AddRef(*ppCPC);
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return S_OK;
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}
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static HRESULT WINAPI ConnectionPoint_Advise(IConnectionPoint *iface, IUnknown *pUnkSink,
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DWORD *pdwCookie)
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{
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ConnectionPoint *This = impl_from_IConnectionPoint(iface);
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IUnknown *sink;
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DWORD i;
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HRESULT hres;
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TRACE("(%p)->(%p %p)\n", This, pUnkSink, pdwCookie);
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hres = IUnknown_QueryInterface(pUnkSink, This->iid, (void**)&sink);
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if(FAILED(hres) && !IsEqualGUID(&IID_IPropertyNotifySink, This->iid))
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hres = IUnknown_QueryInterface(pUnkSink, &IID_IDispatch, (void**)&sink);
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if(FAILED(hres))
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return CONNECT_E_CANNOTCONNECT;
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if(This->sinks) {
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for(i=0; i<This->sinks_size; i++) {
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if(!This->sinks[i].unk)
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break;
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}
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if(i == This->sinks_size)
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This->sinks = heap_realloc(This->sinks,(++This->sinks_size)*sizeof(*This->sinks));
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}else {
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This->sinks = heap_alloc(sizeof(*This->sinks));
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This->sinks_size = 1;
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i = 0;
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}
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This->sinks[i].unk = sink;
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if(pdwCookie)
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*pdwCookie = i+1;
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if(!i && This->data && This->data->on_advise)
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This->data->on_advise(This->container->outer, This->data);
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return S_OK;
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}
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static HRESULT WINAPI ConnectionPoint_Unadvise(IConnectionPoint *iface, DWORD dwCookie)
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{
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ConnectionPoint *This = impl_from_IConnectionPoint(iface);
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TRACE("(%p)->(%d)\n", This, dwCookie);
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if(!dwCookie || dwCookie > This->sinks_size || !This->sinks[dwCookie-1].unk)
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return CONNECT_E_NOCONNECTION;
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IUnknown_Release(This->sinks[dwCookie-1].unk);
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This->sinks[dwCookie-1].unk = NULL;
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return S_OK;
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}
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static HRESULT WINAPI ConnectionPoint_EnumConnections(IConnectionPoint *iface,
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IEnumConnections **ppEnum)
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{
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ConnectionPoint *This = impl_from_IConnectionPoint(iface);
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EnumConnections *ret;
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TRACE("(%p)->(%p)\n", This, ppEnum);
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ret = heap_alloc(sizeof(*ret));
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if(!ret)
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return E_OUTOFMEMORY;
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ret->IEnumConnections_iface.lpVtbl = &EnumConnectionsVtbl;
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ret->ref = 1;
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ret->iter = 0;
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IConnectionPoint_AddRef(&This->IConnectionPoint_iface);
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ret->cp = This;
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*ppEnum = &ret->IEnumConnections_iface;
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return S_OK;
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}
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static const IConnectionPointVtbl ConnectionPointVtbl =
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{
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ConnectionPoint_QueryInterface,
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ConnectionPoint_AddRef,
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ConnectionPoint_Release,
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ConnectionPoint_GetConnectionInterface,
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ConnectionPoint_GetConnectionPointContainer,
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ConnectionPoint_Advise,
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ConnectionPoint_Unadvise,
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ConnectionPoint_EnumConnections
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};
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static void ConnectionPoint_Init(ConnectionPoint *cp, ConnectionPointContainer *container, REFIID riid, cp_static_data_t *data)
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{
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cp->IConnectionPoint_iface.lpVtbl = &ConnectionPointVtbl;
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cp->container = container;
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cp->sinks = NULL;
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cp->sinks_size = 0;
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cp->iid = riid;
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cp->data = data;
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}
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static void ConnectionPoint_Destroy(ConnectionPoint *This)
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{
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DWORD i;
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for(i=0; i<This->sinks_size; i++) {
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if(This->sinks[i].unk)
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IUnknown_Release(This->sinks[i].unk);
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}
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heap_free(This->sinks);
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}
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static ConnectionPoint *get_cp(ConnectionPointContainer *container, REFIID riid, BOOL do_create)
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{
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const cpc_entry_t *iter;
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unsigned idx, i;
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for(iter = container->cp_entries; iter->riid; iter++) {
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if(IsEqualGUID(iter->riid, riid))
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break;
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}
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if(!iter->riid)
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return NULL;
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idx = iter - container->cp_entries;
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if(!container->cps) {
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if(!do_create)
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return NULL;
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while(iter->riid)
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iter++;
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container->cps = heap_alloc((iter - container->cp_entries) * sizeof(*container->cps));
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if(!container->cps)
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return NULL;
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for(i=0; container->cp_entries[i].riid; i++)
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ConnectionPoint_Init(container->cps+i, container, container->cp_entries[i].riid, container->cp_entries[i].desc);
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}
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return container->cps+idx;
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}
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void call_property_onchanged(ConnectionPointContainer *container, DISPID dispid)
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{
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ConnectionPoint *cp;
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DWORD i;
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cp = get_cp(container, &IID_IPropertyNotifySink, FALSE);
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if(!cp)
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return;
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for(i=0; i<cp->sinks_size; i++) {
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if(cp->sinks[i].propnotif)
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IPropertyNotifySink_OnChanged(cp->sinks[i].propnotif, dispid);
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}
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}
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static inline ConnectionPointContainer *impl_from_IConnectionPointContainer(IConnectionPointContainer *iface)
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{
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return CONTAINING_RECORD(iface, ConnectionPointContainer, IConnectionPointContainer_iface);
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}
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static HRESULT WINAPI ConnectionPointContainer_QueryInterface(IConnectionPointContainer *iface,
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REFIID riid, void **ppv)
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{
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ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
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return IUnknown_QueryInterface(This->outer, riid, ppv);
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}
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static ULONG WINAPI ConnectionPointContainer_AddRef(IConnectionPointContainer *iface)
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{
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ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
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return IUnknown_AddRef(This->outer);
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}
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static ULONG WINAPI ConnectionPointContainer_Release(IConnectionPointContainer *iface)
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{
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ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
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return IUnknown_Release(This->outer);
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}
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static HRESULT WINAPI ConnectionPointContainer_EnumConnectionPoints(IConnectionPointContainer *iface,
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IEnumConnectionPoints **ppEnum)
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{
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ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
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FIXME("(%p)->(%p)\n", This, ppEnum);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI ConnectionPointContainer_FindConnectionPoint(IConnectionPointContainer *iface,
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REFIID riid, IConnectionPoint **ppCP)
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{
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ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
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ConnectionPoint *cp;
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TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppCP);
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if(This->forward_container)
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return IConnectionPointContainer_FindConnectionPoint(&This->forward_container->IConnectionPointContainer_iface,
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riid, ppCP);
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cp = get_cp(This, riid, TRUE);
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if(!cp) {
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FIXME("unsupported riid %s\n", debugstr_mshtml_guid(riid));
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*ppCP = NULL;
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return CONNECT_E_NOCONNECTION;
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}
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*ppCP = &cp->IConnectionPoint_iface;
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IConnectionPoint_AddRef(*ppCP);
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return S_OK;
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}
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static const IConnectionPointContainerVtbl ConnectionPointContainerVtbl = {
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ConnectionPointContainer_QueryInterface,
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ConnectionPointContainer_AddRef,
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ConnectionPointContainer_Release,
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ConnectionPointContainer_EnumConnectionPoints,
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ConnectionPointContainer_FindConnectionPoint
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};
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void ConnectionPointContainer_Init(ConnectionPointContainer *This, IUnknown *outer, const cpc_entry_t *cp_entries)
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{
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This->IConnectionPointContainer_iface.lpVtbl = &ConnectionPointContainerVtbl;
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This->cp_entries = cp_entries;
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This->cps = NULL;
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This->outer = outer;
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This->forward_container = NULL;
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}
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void ConnectionPointContainer_Destroy(ConnectionPointContainer *This)
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{
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unsigned i;
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if(!This->cps)
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return;
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for(i=0; This->cp_entries[i].riid; i++)
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ConnectionPoint_Destroy(This->cps+i);
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heap_free(This->cps);
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}
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