dlls/browseui/browseui_main.c

   1 /*
   2  * browseui - Internet Explorer / Windows Explorer standard UI
   3  *
   4  * Copyright 2001 John R. Sheets (for CodeWeavers)
   5  * Copyright 2004 Mike McCormack (for CodeWeavers)
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23
  24 #include <stdarg.h>
  25 #include <stdio.h>
  26
  27 #define COBJMACROS
  28
  29 #include "wine/debug.h"
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winreg.h"
  33 #include "shlwapi.h"
  34 #include "shlguid.h"
  35
  36 #include "initguid.h"
  37
  38 #include "browseui.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(browseui);
  41
  42 LONG BROWSEUI_refCount = 0;
  43
  44 HINSTANCE BROWSEUI_hinstance = 0;
  45
  46 typedef HRESULT (WINAPI *LPFNCONSTRUCTOR)(IUnknown *pUnkOuter, IUnknown **ppvOut);
  47
  48 static const struct {
  49     REFCLSID clsid;
  50     LPFNCONSTRUCTOR ctor;
  51 } ClassesTable[] = {
  52     {&CLSID_ACLMulti, ACLMulti_Constructor},
  53     {&CLSID_ProgressDialog, ProgressDialog_Constructor},
  54     {NULL, NULL}
  55 };
  56
  57 typedef struct tagClassFactory
  58 {
  59     const IClassFactoryVtbl *vtbl;
  60     LONG   ref;
  61     LPFNCONSTRUCTOR ctor;
  62 } ClassFactory;
  63 static const IClassFactoryVtbl ClassFactoryVtbl;
  64
  65 static HRESULT ClassFactory_Constructor(LPFNCONSTRUCTOR ctor, LPVOID *ppvOut)
  66 {
  67     ClassFactory *This = CoTaskMemAlloc(sizeof(ClassFactory));
  68     This->vtbl = &ClassFactoryVtbl;
  69     This->ref = 1;
  70     This->ctor = ctor;
  71     *ppvOut = (LPVOID)This;
  72     TRACE("Created class factory %p\n", This);
  73     BROWSEUI_refCount++;
  74     return S_OK;
  75 }
  76
  77 static void ClassFactory_Destructor(ClassFactory *This)
  78 {
  79     TRACE("Destroying class factory %p\n", This);
  80     CoTaskMemFree(This);
  81     BROWSEUI_refCount--;
  82 }
  83
  84 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppvOut)
  85 {
  86     *ppvOut = NULL;
  87     if (IsEqualIID(riid, &IID_IClassFactory) || IsEqualIID(riid, &IID_IUnknown)) {
  88         IClassFactory_AddRef(iface);
  89         *ppvOut = iface;
  90         return S_OK;
  91     }
  92
  93     WARN("Unknown interface %s\n", debugstr_guid(riid));
  94     return E_NOINTERFACE;
  95 }
  96
  97 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
  98 {
  99     ClassFactory *This = (ClassFactory *)iface;
 100     return InterlockedIncrement(&This->ref);
 101 }
 102
 103 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 104 {
 105     ClassFactory *This = (ClassFactory *)iface;
 106     ULONG ret = InterlockedDecrement(&This->ref);
 107
 108     if (ret == 0)
 109         ClassFactory_Destructor(This);
 110     return ret;
 111 }
 112
 113 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *punkOuter, REFIID iid, LPVOID *ppvOut)
 114 {
 115     ClassFactory *This = (ClassFactory *)iface;
 116     HRESULT ret;
 117     IUnknown *obj;
 118
 119     TRACE("(%p, %p, %s, %p)\n", iface, punkOuter, debugstr_guid(iid), ppvOut);
 120     ret = This->ctor(punkOuter, &obj);
 121     if (FAILED(ret))
 122         return ret;
 123     ret = IUnknown_QueryInterface(obj, iid, ppvOut);
 124     IUnknown_Release(obj);
 125     return ret;
 126 }
 127
 128 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
 129 {
 130     ClassFactory *This = (ClassFactory *)iface;
 131
 132     TRACE("(%p)->(%x)\n", This, fLock);
 133
 134     if(fLock)
 135         InterlockedIncrement(&BROWSEUI_refCount);
 136     else
 137         InterlockedDecrement(&BROWSEUI_refCount);
 138
 139     return S_OK;
 140 }
 141
 142 static const IClassFactoryVtbl ClassFactoryVtbl = {
 143     /* IUnknown */
 144     ClassFactory_QueryInterface,
 145     ClassFactory_AddRef,
 146     ClassFactory_Release,
 147
 148     /* IClassFactory*/
 149     ClassFactory_CreateInstance,
 150     ClassFactory_LockServer
 151 };
 152
 153 /*************************************************************************
 154  * BROWSEUI DllMain
 155  */
 156 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD fdwReason, LPVOID fImpLoad)
 157 {
 158     TRACE("%p 0x%x %p\n", hinst, fdwReason, fImpLoad);
 159     switch (fdwReason)
 160     {
 161         case DLL_WINE_PREATTACH:
 162             return FALSE;   /* prefer native version */
 163         case DLL_PROCESS_ATTACH:
 164             DisableThreadLibraryCalls(hinst);
 165             BROWSEUI_hinstance = hinst;
 166             break;
 167     }
 168     return TRUE;
 169 }
 170
 171 /*************************************************************************
 172  *              DllCanUnloadNow (BROWSEUI.@)
 173  */
 174 HRESULT WINAPI DllCanUnloadNow(void)
 175 {
 176     return BROWSEUI_refCount ? S_FALSE : S_OK;
 177 }
 178
 179 /***********************************************************************
 180  *              DllGetVersion (BROWSEUI.@)
 181  */
 182 HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *info)
 183 {
 184     if (info->cbSize != sizeof(DLLVERSIONINFO)) FIXME("support DLLVERSIONINFO2\n");
 185
 186     /* this is what IE6 on Windows 98 reports */
 187     info->dwMajorVersion = 6;
 188     info->dwMinorVersion = 0;
 189     info->dwBuildNumber = 2600;
 190     info->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
 191
 192     return NOERROR;
 193 }
 194
 195 /***********************************************************************
 196  *              DllGetClassObject (BROWSEUI.@)
 197  */
 198 HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, LPVOID *ppvOut)
 199 {
 200     int i;
 201
 202     *ppvOut = NULL;
 203     if (!IsEqualIID(iid, &IID_IUnknown) && !IsEqualIID(iid, &IID_IClassFactory))
 204         return E_NOINTERFACE;
 205
 206     for (i = 0; ClassesTable[i].clsid != NULL; i++)
 207         if (IsEqualCLSID(ClassesTable[i].clsid, clsid)) {
 208             return ClassFactory_Constructor(ClassesTable[i].ctor, ppvOut);
 209         }
 210     FIXME("CLSID %s not supported\n", debugstr_guid(clsid));
 211     return CLASS_E_CLASSNOTAVAILABLE;
 212 }