168 lines
4.9 KiB
C
168 lines
4.9 KiB
C
/*
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* Implementation of class factory for IE Web Browser
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*
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* Copyright 2001 John R. Sheets (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 <string.h>
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#include "wine/debug.h"
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#include "shdocvw.h"
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WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
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/**********************************************************************
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* Implement the WebBrowser class factory
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*
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* (Based on implementation in ddraw/main.c)
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*/
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#define FACTORY(x) ((IClassFactory*) &(x)->lpClassFactoryVtbl)
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typedef struct
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{
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/* IUnknown fields */
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const IClassFactoryVtbl *lpClassFactoryVtbl;
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HRESULT (*cf)(LPUNKNOWN, REFIID, LPVOID *);
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LONG ref;
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} IClassFactoryImpl;
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/**********************************************************************
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* WBCF_QueryInterface (IUnknown)
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*/
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static HRESULT WINAPI WBCF_QueryInterface(LPCLASSFACTORY iface,
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REFIID riid, LPVOID *ppobj)
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{
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TRACE("(%s %p)\n", debugstr_guid(riid), ppobj);
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if (!ppobj)
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return E_POINTER;
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if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid)) {
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*ppobj = iface;
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return S_OK;
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}
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WARN("Not supported interface %s\n", debugstr_guid(riid));
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*ppobj = NULL;
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return E_NOINTERFACE;
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}
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/************************************************************************
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* WBCF_AddRef (IUnknown)
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*/
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static ULONG WINAPI WBCF_AddRef(LPCLASSFACTORY iface)
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{
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SHDOCVW_LockModule();
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return 2; /* non-heap based object */
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}
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/************************************************************************
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* WBCF_Release (IUnknown)
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*/
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static ULONG WINAPI WBCF_Release(LPCLASSFACTORY iface)
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{
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SHDOCVW_UnlockModule();
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return 1; /* non-heap based object */
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}
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/************************************************************************
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* WBCF_CreateInstance (IClassFactory)
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*/
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static HRESULT WINAPI WBCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
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REFIID riid, LPVOID *ppobj)
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{
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IClassFactoryImpl *This = (IClassFactoryImpl *) iface;
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return This->cf(pOuter, riid, ppobj);
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}
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/************************************************************************
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* WBCF_LockServer (IClassFactory)
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*/
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static HRESULT WINAPI WBCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
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{
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TRACE("(%d)\n", dolock);
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if (dolock)
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SHDOCVW_LockModule();
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else
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SHDOCVW_UnlockModule();
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return S_OK;
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}
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static const IClassFactoryVtbl WBCF_Vtbl =
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{
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WBCF_QueryInterface,
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WBCF_AddRef,
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WBCF_Release,
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WBCF_CreateInstance,
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WBCF_LockServer
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};
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/*************************************************************************
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* DllGetClassObject (SHDOCVW.@)
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*/
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HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
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{
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static IClassFactoryImpl WB1ClassFactory = {&WBCF_Vtbl, WebBrowserV1_Create};
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static IClassFactoryImpl WB2ClassFactory = {&WBCF_Vtbl, WebBrowserV2_Create};
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static IClassFactoryImpl CUHClassFactory = {&WBCF_Vtbl, CUrlHistory_Create};
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TRACE("\n");
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if(IsEqualGUID(&CLSID_WebBrowser, rclsid))
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return IClassFactory_QueryInterface(FACTORY(&WB2ClassFactory), riid, ppv);
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if(IsEqualGUID(&CLSID_WebBrowser_V1, rclsid))
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return IClassFactory_QueryInterface(FACTORY(&WB1ClassFactory), riid, ppv);
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if(IsEqualGUID(&CLSID_CUrlHistory, rclsid))
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return IClassFactory_QueryInterface(FACTORY(&CUHClassFactory), riid, ppv);
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/* As a last resort, figure if the CLSID belongs to a 'Shell Instance Object' */
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return SHDOCVW_GetShellInstanceObjectClassObject(rclsid, riid, ppv);
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}
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HRESULT register_class_object(BOOL do_reg)
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{
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HRESULT hres;
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static DWORD cookie;
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static IClassFactoryImpl IEClassFactory = {&WBCF_Vtbl, InternetExplorer_Create};
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if(do_reg) {
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hres = CoRegisterClassObject(&CLSID_InternetExplorer, (IUnknown*)FACTORY(&IEClassFactory),
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CLSCTX_SERVER, REGCLS_MULTIPLEUSE|REGCLS_SUSPENDED, &cookie);
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if (FAILED(hres)) {
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ERR("failed to register object %08x\n", hres);
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return hres;
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}
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hres = CoResumeClassObjects();
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if(SUCCEEDED(hres))
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return hres;
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ERR("failed to resume object %08x\n", hres);
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}
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return CoRevokeClassObject(cookie);
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}
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