reactos/dll/win32/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 "browseui.h"
  37 #include "shobjidl.h" /* for IShellFolder used in undoc.h */
  38 #include "initguid.h"
  39 #include "undoc.h" /* for CLSID_RebarBandSite */
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(browseui);
  42
  43 LONG BROWSEUI_refCount = 0;
  44
  45 HINSTANCE browseui_hinstance = 0;
  46
  47 typedef HRESULT (WINAPI *LPFNCONSTRUCTOR)(IUnknown *pUnkOuter, IUnknown **ppvOut);
  48
  49 /* undoc GUID */
  50 DEFINE_GUID(CLSID_RebarBandSite, 0xECD4FC4D, 0x521C, 0x11D0, 0xB7, 0x92, 0x00, 0xA0, 0xC9, 0x03, 0x12, 0xE1);
  51
  52
  53 static const struct {
  54     REFCLSID clsid;
  55     LPFNCONSTRUCTOR ctor;
  56 } ClassesTable[] = {
  57     {&CLSID_ACLMulti, ACLMulti_Constructor},
  58     {&CLSID_RebarBandSite, BandSite_Constructor},
  59     {&CLSID_IShellBandSiteMenu, BandSiteMenu_Constructor},
  60     {NULL, NULL}
  61 };
  62
  63 typedef struct tagClassFactory
  64 {
  65     const IClassFactoryVtbl *vtbl;
  66     LONG   ref;
  67     LPFNCONSTRUCTOR ctor;
  68 } ClassFactory;
  69 static const IClassFactoryVtbl ClassFactoryVtbl;
  70
  71 static HRESULT ClassFactory_Constructor(LPFNCONSTRUCTOR ctor, LPVOID *ppvOut)
  72 {
  73     ClassFactory *This = CoTaskMemAlloc(sizeof(ClassFactory));
  74     This->vtbl = &ClassFactoryVtbl;
  75     This->ref = 1;
  76     This->ctor = ctor;
  77     *ppvOut = (LPVOID)This;
  78     TRACE("Created class factory %p\n", This);
  79     BROWSEUI_refCount++;
  80     return S_OK;
  81 }
  82
  83 static void ClassFactory_Destructor(ClassFactory *This)
  84 {
  85     TRACE("Destroying class factory %p\n", This);
  86     CoTaskMemFree(This);
  87     BROWSEUI_refCount--;
  88 }
  89
  90 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppvOut)
  91 {
  92     *ppvOut = NULL;
  93     if (IsEqualIID(riid, &IID_IClassFactory) || IsEqualIID(riid, &IID_IUnknown)) {
  94         IClassFactory_AddRef(iface);
  95         *ppvOut = iface;
  96         return S_OK;
  97     }
  98
  99     WARN("Unknown interface %s\n", debugstr_guid(riid));
 100     return E_NOINTERFACE;
 101 }
 102
 103 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
 104 {
 105     ClassFactory *This = (ClassFactory *)iface;
 106     return InterlockedIncrement(&This->ref);
 107 }
 108
 109 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 110 {
 111     ClassFactory *This = (ClassFactory *)iface;
 112     ULONG ret = InterlockedDecrement(&This->ref);
 113
 114     if (ret == 0)
 115         ClassFactory_Destructor(This);
 116     return ret;
 117 }
 118
 119 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *punkOuter, REFIID iid, LPVOID *ppvOut)
 120 {
 121     ClassFactory *This = (ClassFactory *)iface;
 122     HRESULT ret;
 123     IUnknown *obj;
 124
 125     TRACE("(%p, %p, %s, %p)\n", iface, punkOuter, debugstr_guid(iid), ppvOut);
 126     ret = This->ctor(punkOuter, &obj);
 127     if (FAILED(ret))
 128         return ret;
 129     ret = IUnknown_QueryInterface(obj, iid, ppvOut);
 130     IUnknown_Release(obj);
 131     return ret;
 132 }
 133
 134 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
 135 {
 136     ClassFactory *This = (ClassFactory *)iface;
 137
 138     TRACE("(%p)->(%x)\n", This, fLock);
 139
 140     if(fLock)
 141         InterlockedIncrement(&BROWSEUI_refCount);
 142     else
 143         InterlockedDecrement(&BROWSEUI_refCount);
 144
 145     return S_OK;
 146 }
 147
 148 static const IClassFactoryVtbl ClassFactoryVtbl = {
 149     /* IUnknown */
 150     ClassFactory_QueryInterface,
 151     ClassFactory_AddRef,
 152     ClassFactory_Release,
 153
 154     /* IClassFactory*/
 155     ClassFactory_CreateInstance,
 156     ClassFactory_LockServer
 157 };
 158
 159 /*************************************************************************
 160  * BROWSEUI DllMain
 161  */
 162 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD fdwReason, LPVOID fImpLoad)
 163 {
 164     TRACE("%p 0x%x %p\n", hinst, fdwReason, fImpLoad);
 165     switch (fdwReason)
 166     {
 167         case DLL_WINE_PREATTACH:
 168             return FALSE;   /* prefer native version */
 169         case DLL_PROCESS_ATTACH:
 170             DisableThreadLibraryCalls(hinst);
 171             browseui_hinstance = hinst;
 172             break;
 173     }
 174     return TRUE;
 175 }
 176
 177 /*************************************************************************
 178  *              DllCanUnloadNow (BROWSEUI.@)
 179  */
 180 HRESULT WINAPI DllCanUnloadNow(void)
 181 {
 182     return BROWSEUI_refCount ? S_FALSE : S_OK;
 183 }
 184
 185 /***********************************************************************
 186  *              DllGetVersion (BROWSEUI.@)
 187  */
 188 HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *info)
 189 {
 190     if (info->cbSize != sizeof(DLLVERSIONINFO)) FIXME("support DLLVERSIONINFO2\n");
 191
 192     /* this is what IE6 on Windows 98 reports */
 193     info->dwMajorVersion = 6;
 194     info->dwMinorVersion = 0;
 195     info->dwBuildNumber = 2600;
 196     info->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
 197
 198     return NOERROR;
 199 }
 200
 201 /***********************************************************************
 202  *              DllGetClassObject (BROWSEUI.@)
 203  */
 204 HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, LPVOID *ppvOut)
 205 {
 206     int i;
 207
 208     *ppvOut = NULL;
 209     if (!IsEqualIID(iid, &IID_IUnknown) && !IsEqualIID(iid, &IID_IClassFactory))
 210         return E_NOINTERFACE;
 211
 212     for (i = 0; ClassesTable[i].clsid != NULL; i++)
 213         if (IsEqualCLSID(ClassesTable[i].clsid, clsid)) {
 214             return ClassFactory_Constructor(ClassesTable[i].ctor, ppvOut);
 215         }
 216     FIXME("CLSID %s not supported\n", debugstr_guid(clsid));
 217     return CLASS_E_CLASSNOTAVAILABLE;
 218 }