/* * Implementation of event-related interfaces for WebBrowser control: * * - IConnectionPointContainer * - IConnectionPoint * * Copyright 2001 John R. Sheets (for CodeWeavers) * Copyright 2006 Jacek Caban 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 <string.h> #include "ieframe.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(ieframe); struct ConnectionPoint { IConnectionPoint IConnectionPoint_iface; IConnectionPointContainer *container; IDispatch **sinks; DWORD sinks_size; IID iid; }; /********************************************************************** * Implement the IConnectionPointContainer interface */ static inline ConnectionPointContainer *impl_from_IConnectionPointContainer(IConnectionPointContainer *iface) { return CONTAINING_RECORD(iface, ConnectionPointContainer, IConnectionPointContainer_iface); } static HRESULT WINAPI ConnectionPointContainer_QueryInterface(IConnectionPointContainer *iface, REFIID riid, LPVOID *ppv) { ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface); return IUnknown_QueryInterface(This->impl, riid, ppv); } static ULONG WINAPI ConnectionPointContainer_AddRef(IConnectionPointContainer *iface) { ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface); return IUnknown_AddRef(This->impl); } static ULONG WINAPI ConnectionPointContainer_Release(IConnectionPointContainer *iface) { ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface); return IUnknown_Release(This->impl); } static HRESULT WINAPI ConnectionPointContainer_EnumConnectionPoints(IConnectionPointContainer *iface, LPENUMCONNECTIONPOINTS *ppEnum) { ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface); FIXME("(%p)->(%p)\n", This, ppEnum); return E_NOTIMPL; } static HRESULT WINAPI ConnectionPointContainer_FindConnectionPoint(IConnectionPointContainer *iface, REFIID riid, LPCONNECTIONPOINT *ppCP) { ConnectionPointContainer *This = impl_from_IConnectionPointContainer(iface); if(!ppCP) { WARN("ppCP == NULL\n"); return E_POINTER; } *ppCP = NULL; if(IsEqualGUID(&DIID_DWebBrowserEvents2, riid)) { TRACE("(%p)->(DIID_DWebBrowserEvents2 %p)\n", This, ppCP); *ppCP = &This->wbe2->IConnectionPoint_iface; }else if(IsEqualGUID(&DIID_DWebBrowserEvents, riid)) { TRACE("(%p)->(DIID_DWebBrowserEvents %p)\n", This, ppCP); *ppCP = &This->wbe->IConnectionPoint_iface; }else if(IsEqualGUID(&IID_IPropertyNotifySink, riid)) { TRACE("(%p)->(IID_IPropertyNotifySink %p)\n", This, ppCP); *ppCP = &This->pns->IConnectionPoint_iface; } if(*ppCP) { IConnectionPoint_AddRef(*ppCP); return S_OK; } WARN("Unsupported IID %s\n", debugstr_guid(riid)); return CONNECT_E_NOCONNECTION; } static const IConnectionPointContainerVtbl ConnectionPointContainerVtbl = { ConnectionPointContainer_QueryInterface, ConnectionPointContainer_AddRef, ConnectionPointContainer_Release, ConnectionPointContainer_EnumConnectionPoints, ConnectionPointContainer_FindConnectionPoint }; /********************************************************************** * Implement the IConnectionPoint interface */ static inline ConnectionPoint *impl_from_IConnectionPoint(IConnectionPoint *iface) { return CONTAINING_RECORD(iface, ConnectionPoint, IConnectionPoint_iface); } typedef struct { IEnumConnections IEnumConnections_iface; LONG ref; ConnectionPoint *cp; DWORD iter; } EnumConnections; static inline EnumConnections *impl_from_IEnumConnections(IEnumConnections *iface) { return CONTAINING_RECORD(iface, EnumConnections, IEnumConnections_iface); } static HRESULT WINAPI EnumConnections_QueryInterface(IEnumConnections *iface, REFIID riid, void **ppv) { EnumConnections *This = impl_from_IEnumConnections(iface); if(IsEqualGUID(&IID_IUnknown, riid)) { TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv); *ppv = &This->IEnumConnections_iface; }else if(IsEqualGUID(&IID_IEnumConnections, riid)) { TRACE("(%p)->(IID_IEnumConnections %p)\n", This, ppv); *ppv = &This->IEnumConnections_iface; }else { WARN("Unsupported interface %s\n", debugstr_guid(riid)); *ppv = NULL; return E_NOINTERFACE; } IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } static ULONG WINAPI EnumConnections_AddRef(IEnumConnections *iface) { EnumConnections *This = impl_from_IEnumConnections(iface); LONG ref = InterlockedIncrement(&This->ref); TRACE("(%p) ref=%d\n", This, ref); return ref; } static ULONG WINAPI EnumConnections_Release(IEnumConnections *iface) { EnumConnections *This = impl_from_IEnumConnections(iface); LONG ref = InterlockedDecrement(&This->ref); TRACE("(%p) ref=%d\n", This, ref); if(!ref) { IConnectionPoint_Release(&This->cp->IConnectionPoint_iface); heap_free(This); } return ref; } static HRESULT WINAPI EnumConnections_Next(IEnumConnections *iface, ULONG cConnections, CONNECTDATA *pgcd, ULONG *pcFetched) { EnumConnections *This = impl_from_IEnumConnections(iface); ULONG cnt = 0; TRACE("(%p)->(%u %p %p)\n", This, cConnections, pgcd, pcFetched); while(cConnections--) { while(This->iter < This->cp->sinks_size && !This->cp->sinks[This->iter]) This->iter++; if(This->iter == This->cp->sinks_size) break; pgcd[cnt].pUnk = (IUnknown*)This->cp->sinks[This->iter]; pgcd[cnt].dwCookie = cnt+1; This->iter++; cnt++; } if(pcFetched) *pcFetched = cnt; return cnt ? S_OK : S_FALSE; } static HRESULT WINAPI EnumConnections_Skip(IEnumConnections *iface, ULONG cConnections) { EnumConnections *This = impl_from_IEnumConnections(iface); FIXME("(%p)->(%u)\n", This, cConnections); return E_NOTIMPL; } static HRESULT WINAPI EnumConnections_Reset(IEnumConnections *iface) { EnumConnections *This = impl_from_IEnumConnections(iface); FIXME("(%p)\n", This); return E_NOTIMPL; } static HRESULT WINAPI EnumConnections_Clone(IEnumConnections *iface, IEnumConnections **ppEnum) { EnumConnections *This = impl_from_IEnumConnections(iface); FIXME("(%p)->(%p)\n", This, ppEnum); return E_NOTIMPL; } static const IEnumConnectionsVtbl EnumConnectionsVtbl = { EnumConnections_QueryInterface, EnumConnections_AddRef, EnumConnections_Release, EnumConnections_Next, EnumConnections_Skip, EnumConnections_Reset, EnumConnections_Clone }; static HRESULT WINAPI ConnectionPoint_QueryInterface(IConnectionPoint *iface, REFIID riid, LPVOID *ppv) { ConnectionPoint *This = impl_from_IConnectionPoint(iface); *ppv = NULL; if(IsEqualGUID(&IID_IUnknown, riid)) { TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv); *ppv = &This->IConnectionPoint_iface; }else if(IsEqualGUID(&IID_IConnectionPoint, riid)) { TRACE("(%p)->(IID_IConnectionPoint %p)\n", This, ppv); *ppv = &This->IConnectionPoint_iface; } if(*ppv) { IConnectionPointContainer_AddRef(This->container); return S_OK; } WARN("Unsupported interface %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } static ULONG WINAPI ConnectionPoint_AddRef(IConnectionPoint *iface) { ConnectionPoint *This = impl_from_IConnectionPoint(iface); return IConnectionPointContainer_AddRef(This->container); } static ULONG WINAPI ConnectionPoint_Release(IConnectionPoint *iface) { ConnectionPoint *This = impl_from_IConnectionPoint(iface); return IConnectionPointContainer_Release(This->container); } static HRESULT WINAPI ConnectionPoint_GetConnectionInterface(IConnectionPoint *iface, IID *pIID) { ConnectionPoint *This = impl_from_IConnectionPoint(iface); TRACE("(%p)->(%p)\n", This, pIID); *pIID = This->iid; return S_OK; } static HRESULT WINAPI ConnectionPoint_GetConnectionPointContainer(IConnectionPoint *iface, IConnectionPointContainer **ppCPC) { ConnectionPoint *This = impl_from_IConnectionPoint(iface); TRACE("(%p)->(%p)\n", This, ppCPC); *ppCPC = This->container; IConnectionPointContainer_AddRef(This->container); return S_OK; } static HRESULT WINAPI ConnectionPoint_Advise(IConnectionPoint *iface, IUnknown *pUnkSink, DWORD *pdwCookie) { ConnectionPoint *This = impl_from_IConnectionPoint(iface); IDispatch *disp; DWORD i; HRESULT hres; TRACE("(%p)->(%p %p)\n", This, pUnkSink, pdwCookie); hres = IUnknown_QueryInterface(pUnkSink, &This->iid, (void**)&disp); if(FAILED(hres)) { hres = IUnknown_QueryInterface(pUnkSink, &IID_IDispatch, (void**)&disp); if(FAILED(hres)) return CONNECT_E_CANNOTCONNECT; } if(This->sinks) { for(i=0; i<This->sinks_size; i++) { if(!This->sinks[i]) break; } if(i == This->sinks_size) This->sinks = heap_realloc(This->sinks, (++This->sinks_size)*sizeof(*This->sinks)); }else { This->sinks = heap_alloc(sizeof(*This->sinks)); This->sinks_size = 1; i = 0; } This->sinks[i] = disp; *pdwCookie = i+1; return S_OK; } static HRESULT WINAPI ConnectionPoint_Unadvise(IConnectionPoint *iface, DWORD dwCookie) { ConnectionPoint *This = impl_from_IConnectionPoint(iface); TRACE("(%p)->(%d)\n", This, dwCookie); if(!dwCookie || dwCookie > This->sinks_size || !This->sinks[dwCookie-1]) return CONNECT_E_NOCONNECTION; IDispatch_Release(This->sinks[dwCookie-1]); This->sinks[dwCookie-1] = NULL; return S_OK; } static HRESULT WINAPI ConnectionPoint_EnumConnections(IConnectionPoint *iface, IEnumConnections **ppEnum) { ConnectionPoint *This = impl_from_IConnectionPoint(iface); EnumConnections *ret; TRACE("(%p)->(%p)\n", This, ppEnum); ret = heap_alloc(sizeof(*ret)); if(!ret) return E_OUTOFMEMORY; ret->IEnumConnections_iface.lpVtbl = &EnumConnectionsVtbl; ret->ref = 1; ret->iter = 0; IConnectionPoint_AddRef(&This->IConnectionPoint_iface); ret->cp = This; *ppEnum = &ret->IEnumConnections_iface; return S_OK; } static const IConnectionPointVtbl ConnectionPointVtbl = { ConnectionPoint_QueryInterface, ConnectionPoint_AddRef, ConnectionPoint_Release, ConnectionPoint_GetConnectionInterface, ConnectionPoint_GetConnectionPointContainer, ConnectionPoint_Advise, ConnectionPoint_Unadvise, ConnectionPoint_EnumConnections }; void call_sink(ConnectionPoint *This, DISPID dispid, DISPPARAMS *dispparams) { DWORD i; for(i=0; i<This->sinks_size; i++) { if(This->sinks[i]) IDispatch_Invoke(This->sinks[i], dispid, &IID_NULL, LOCALE_SYSTEM_DEFAULT, DISPATCH_METHOD, dispparams, NULL, NULL, NULL); } } static void ConnectionPoint_Create(REFIID riid, ConnectionPoint **cp, IConnectionPointContainer *container) { ConnectionPoint *ret = heap_alloc(sizeof(ConnectionPoint)); ret->IConnectionPoint_iface.lpVtbl = &ConnectionPointVtbl; ret->sinks = NULL; ret->sinks_size = 0; ret->container = container; ret->iid = *riid; *cp = ret; } static void ConnectionPoint_Destroy(ConnectionPoint *This) { DWORD i; for(i=0; i<This->sinks_size; i++) { if(This->sinks[i]) IDispatch_Release(This->sinks[i]); } heap_free(This->sinks); heap_free(This); } void ConnectionPointContainer_Init(ConnectionPointContainer *This, IUnknown *impl) { This->IConnectionPointContainer_iface.lpVtbl = &ConnectionPointContainerVtbl; ConnectionPoint_Create(&DIID_DWebBrowserEvents2, &This->wbe2, &This->IConnectionPointContainer_iface); ConnectionPoint_Create(&DIID_DWebBrowserEvents, &This->wbe, &This->IConnectionPointContainer_iface); ConnectionPoint_Create(&IID_IPropertyNotifySink, &This->pns, &This->IConnectionPointContainer_iface); This->impl = impl; } void ConnectionPointContainer_Destroy(ConnectionPointContainer *This) { ConnectionPoint_Destroy(This->wbe2); ConnectionPoint_Destroy(This->wbe); ConnectionPoint_Destroy(This->pns); }