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https://github.com/reactos/reactos.git
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442 lines
13 KiB
C
442 lines
13 KiB
C
/*
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* Implementation of event-related interfaces for WebBrowser control:
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*
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* - IConnectionPointContainer
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* - IConnectionPoint
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*
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* Copyright 2001 John R. Sheets (for CodeWeavers)
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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 "ieframe.h"
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struct ConnectionPoint {
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IConnectionPoint IConnectionPoint_iface;
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IConnectionPointContainer *container;
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IDispatch **sinks;
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DWORD sinks_size;
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IID iid;
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};
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/**********************************************************************
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* Implement the IConnectionPointContainer interface
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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, LPVOID *ppv)
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{
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ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
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return IUnknown_QueryInterface(This->impl, 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->impl);
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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->impl);
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}
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static HRESULT WINAPI ConnectionPointContainer_EnumConnectionPoints(IConnectionPointContainer *iface,
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LPENUMCONNECTIONPOINTS *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, LPCONNECTIONPOINT *ppCP)
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{
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ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface);
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if(!ppCP) {
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WARN("ppCP == NULL\n");
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return E_POINTER;
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}
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*ppCP = NULL;
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if(IsEqualGUID(&DIID_DWebBrowserEvents2, riid)) {
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TRACE("(%p)->(DIID_DWebBrowserEvents2 %p)\n", This, ppCP);
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*ppCP = &This->wbe2->IConnectionPoint_iface;
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}else if(IsEqualGUID(&DIID_DWebBrowserEvents, riid)) {
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TRACE("(%p)->(DIID_DWebBrowserEvents %p)\n", This, ppCP);
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*ppCP = &This->wbe->IConnectionPoint_iface;
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}else if(IsEqualGUID(&IID_IPropertyNotifySink, riid)) {
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TRACE("(%p)->(IID_IPropertyNotifySink %p)\n", This, ppCP);
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*ppCP = &This->pns->IConnectionPoint_iface;
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}
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if(*ppCP) {
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IConnectionPoint_AddRef(*ppCP);
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return S_OK;
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}
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WARN("Unsupported IID %s\n", debugstr_guid(riid));
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return CONNECT_E_NOCONNECTION;
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}
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static const IConnectionPointContainerVtbl ConnectionPointContainerVtbl =
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{
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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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/**********************************************************************
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* Implement the IConnectionPoint interface
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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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typedef struct {
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IEnumConnections IEnumConnections_iface;
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LONG ref;
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ConnectionPoint *cp;
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DWORD iter;
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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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if(IsEqualGUID(&IID_IUnknown, riid)) {
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TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
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*ppv = &This->IEnumConnections_iface;
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}else if(IsEqualGUID(&IID_IEnumConnections, riid)) {
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TRACE("(%p)->(IID_IEnumConnections %p)\n", This, ppv);
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*ppv = &This->IEnumConnections_iface;
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}else {
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WARN("Unsupported interface %s\n", debugstr_guid(riid));
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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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LONG 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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LONG 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 *pgcd, ULONG *pcFetched)
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{
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EnumConnections *This = impl_from_IEnumConnections(iface);
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ULONG cnt = 0;
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TRACE("(%p)->(%u %p %p)\n", This, cConnections, pgcd, pcFetched);
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while(cConnections--) {
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while(This->iter < This->cp->sinks_size && !This->cp->sinks[This->iter])
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This->iter++;
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if(This->iter == This->cp->sinks_size)
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break;
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pgcd[cnt].pUnk = (IUnknown*)This->cp->sinks[This->iter];
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pgcd[cnt].dwCookie = cnt+1;
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This->iter++;
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cnt++;
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}
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if(pcFetched)
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*pcFetched = cnt;
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return cnt ? 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)->(%u)\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 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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*ppv = NULL;
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if(IsEqualGUID(&IID_IUnknown, riid)) {
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TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
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*ppv = &This->IConnectionPoint_iface;
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}else if(IsEqualGUID(&IID_IConnectionPoint, riid)) {
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TRACE("(%p)->(IID_IConnectionPoint %p)\n", This, ppv);
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*ppv = &This->IConnectionPoint_iface;
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}
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if(*ppv) {
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IConnectionPointContainer_AddRef(This->container);
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return S_OK;
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}
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WARN("Unsupported interface %s\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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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);
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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);
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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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*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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*ppCPC = This->container;
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IConnectionPointContainer_AddRef(This->container);
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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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IDispatch *disp;
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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**)&disp);
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if(FAILED(hres)) {
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hres = IUnknown_QueryInterface(pUnkSink, &IID_IDispatch, (void**)&disp);
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if(FAILED(hres))
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return CONNECT_E_CANNOTCONNECT;
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}
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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])
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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,
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(++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] = disp;
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*pdwCookie = i+1;
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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])
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return CONNECT_E_NOCONNECTION;
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IDispatch_Release(This->sinks[dwCookie-1]);
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This->sinks[dwCookie-1] = 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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void call_sink(ConnectionPoint *This, DISPID dispid, DISPPARAMS *dispparams)
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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])
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IDispatch_Invoke(This->sinks[i], dispid, &IID_NULL, LOCALE_SYSTEM_DEFAULT,
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DISPATCH_METHOD, dispparams, NULL, NULL, NULL);
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}
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}
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static void ConnectionPoint_Create(REFIID riid, ConnectionPoint **cp,
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IConnectionPointContainer *container)
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{
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ConnectionPoint *ret = heap_alloc(sizeof(ConnectionPoint));
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ret->IConnectionPoint_iface.lpVtbl = &ConnectionPointVtbl;
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ret->sinks = NULL;
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ret->sinks_size = 0;
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ret->container = container;
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ret->iid = *riid;
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*cp = ret;
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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])
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IDispatch_Release(This->sinks[i]);
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}
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heap_free(This->sinks);
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heap_free(This);
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}
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void ConnectionPointContainer_Init(ConnectionPointContainer *This, IUnknown *impl)
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{
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This->IConnectionPointContainer_iface.lpVtbl = &ConnectionPointContainerVtbl;
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ConnectionPoint_Create(&DIID_DWebBrowserEvents2, &This->wbe2, &This->IConnectionPointContainer_iface);
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ConnectionPoint_Create(&DIID_DWebBrowserEvents, &This->wbe, &This->IConnectionPointContainer_iface);
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ConnectionPoint_Create(&IID_IPropertyNotifySink, &This->pns, &This->IConnectionPointContainer_iface);
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This->impl = impl;
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}
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void ConnectionPointContainer_Destroy(ConnectionPointContainer *This)
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{
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ConnectionPoint_Destroy(This->wbe2);
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ConnectionPoint_Destroy(This->wbe);
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ConnectionPoint_Destroy(This->pns);
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}
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