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 "browseui.h"
  37
  38 #include "initguid.h"
  39 DEFINE_GUID(CLSID_CompCatCacheDaemon, 0x8C7461EF, 0x2b13, 0x11d2, 0xbe, 0x35, 0x30, 0x78, 0x30, 0x2c, 0x20, 0x30);
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(browseui);
  42
  43 LONG BROWSEUI_refCount = 0;
  44
  45 HINSTANCE BROWSEUI_hinstance = 0;
  46
  47 typedef HRESULT (*LPFNCONSTRUCTOR)(IUnknown *pUnkOuter, IUnknown **ppvOut);
  48
  49 static const struct {
  50     REFCLSID clsid;
  51     LPFNCONSTRUCTOR ctor;
  52 } ClassesTable[] = {
  53     {&CLSID_ACLMulti, ACLMulti_Constructor},
  54     {&CLSID_ProgressDialog, ProgressDialog_Constructor},
  55     {&CLSID_CompCatCacheDaemon, CompCatCacheDaemon_Constructor},
  56     {&CLSID_ACListISF, ACLShellSource_Constructor},
  57     {NULL, NULL}
  58 };
  59
  60 typedef struct tagClassFactory
  61 {
  62     const IClassFactoryVtbl *vtbl;
  63     LONG   ref;
  64     LPFNCONSTRUCTOR ctor;
  65 } ClassFactory;
  66
  67 static void ClassFactory_Destructor(ClassFactory *This)
  68 {
  69     TRACE("Destroying class factory %p\n", This);
  70     heap_free(This);
  71     BROWSEUI_refCount--;
  72 }
  73
  74 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppvOut)
  75 {
  76     *ppvOut = NULL;
  77     if (IsEqualIID(riid, &IID_IClassFactory) || IsEqualIID(riid, &IID_IUnknown)) {
  78         IClassFactory_AddRef(iface);
  79         *ppvOut = iface;
  80         return S_OK;
  81     }
  82
  83     WARN("Unknown interface %s\n", debugstr_guid(riid));
  84     return E_NOINTERFACE;
  85 }
  86
  87 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
  88 {
  89     ClassFactory *This = (ClassFactory *)iface;
  90     return InterlockedIncrement(&This->ref);
  91 }
  92
  93 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
  94 {
  95     ClassFactory *This = (ClassFactory *)iface;
  96     ULONG ret = InterlockedDecrement(&This->ref);
  97
  98     if (ret == 0)
  99         ClassFactory_Destructor(This);
 100     return ret;
 101 }
 102
 103 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *punkOuter, REFIID iid, LPVOID *ppvOut)
 104 {
 105     ClassFactory *This = (ClassFactory *)iface;
 106     HRESULT ret;
 107     IUnknown *obj;
 108
 109     TRACE("(%p, %p, %s, %p)\n", iface, punkOuter, debugstr_guid(iid), ppvOut);
 110     ret = This->ctor(punkOuter, &obj);
 111     if (FAILED(ret))
 112         return ret;
 113     ret = IUnknown_QueryInterface(obj, iid, ppvOut);
 114     IUnknown_Release(obj);
 115     return ret;
 116 }
 117
 118 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
 119 {
 120     ClassFactory *This = (ClassFactory *)iface;
 121
 122     TRACE("(%p)->(%x)\n", This, fLock);
 123
 124     if(fLock)
 125         InterlockedIncrement(&BROWSEUI_refCount);
 126     else
 127         InterlockedDecrement(&BROWSEUI_refCount);
 128
 129     return S_OK;
 130 }
 131
 132 static const IClassFactoryVtbl ClassFactoryVtbl = {
 133     /* IUnknown */
 134     ClassFactory_QueryInterface,
 135     ClassFactory_AddRef,
 136     ClassFactory_Release,
 137
 138     /* IClassFactory*/
 139     ClassFactory_CreateInstance,
 140     ClassFactory_LockServer
 141 };
 142
 143 static HRESULT ClassFactory_Constructor(LPFNCONSTRUCTOR ctor, LPVOID *ppvOut)
 144 {
 145     ClassFactory *This = heap_alloc(sizeof(ClassFactory));
 146     This->vtbl = &ClassFactoryVtbl;
 147     This->ref = 1;
 148     This->ctor = ctor;
 149     *ppvOut = This;
 150     TRACE("Created class factory %p\n", This);
 151     BROWSEUI_refCount++;
 152     return S_OK;
 153 }
 154
 155 /*************************************************************************
 156  * BROWSEUI DllMain
 157  */
 158 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD fdwReason, LPVOID fImpLoad)
 159 {
 160     TRACE("%p 0x%x %p\n", hinst, fdwReason, fImpLoad);
 161     switch (fdwReason)
 162     {
 163         case DLL_WINE_PREATTACH:
 164             return FALSE;   /* prefer native version */
 165         case DLL_PROCESS_ATTACH:
 166             DisableThreadLibraryCalls(hinst);
 167             BROWSEUI_hinstance = hinst;
 168             break;
 169     }
 170     return TRUE;
 171 }
 172
 173 /*************************************************************************
 174  *              DllCanUnloadNow (BROWSEUI.@)
 175  */
 176 HRESULT WINAPI DllCanUnloadNow(void)
 177 {
 178     return BROWSEUI_refCount ? S_FALSE : S_OK;
 179 }
 180
 181 /***********************************************************************
 182  *              DllGetVersion (BROWSEUI.@)
 183  */
 184 HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *info)
 185 {
 186     if (info->cbSize != sizeof(DLLVERSIONINFO)) FIXME("support DLLVERSIONINFO2\n");
 187
 188     /* this is what IE6 on Windows 98 reports */
 189     info->dwMajorVersion = 6;
 190     info->dwMinorVersion = 0;
 191     info->dwBuildNumber = 2600;
 192     info->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
 193
 194     return NOERROR;
 195 }
 196
 197 /***********************************************************************
 198  *              DllGetClassObject (BROWSEUI.@)
 199  */
 200 HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, LPVOID *ppvOut)
 201 {
 202     int i;
 203
 204     *ppvOut = NULL;
 205     if (!IsEqualIID(iid, &IID_IUnknown) && !IsEqualIID(iid, &IID_IClassFactory))
 206         return E_NOINTERFACE;
 207
 208     for (i = 0; ClassesTable[i].clsid != NULL; i++)
 209         if (IsEqualCLSID(ClassesTable[i].clsid, clsid)) {
 210             return ClassFactory_Constructor(ClassesTable[i].ctor, ppvOut);
 211         }
 212     FIXME("CLSID %s not supported\n", debugstr_guid(clsid));
 213     return CLASS_E_CLASSNOTAVAILABLE;
 214 }