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 #include "initguid.h"
  41 DEFINE_GUID(CLSID_CompCatCacheDaemon, 0x8C7461EF, 0x2b13, 0x11d2, 0xbe, 0x35, 0x30, 0x78, 0x30, 0x2c, 0x20, 0x30);
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(browseui);
  44
  45 LONG BROWSEUI_refCount = 0;
  46
  47 HINSTANCE BROWSEUI_hinstance = 0;
  48
  49 typedef HRESULT (*LPFNCONSTRUCTOR)(IUnknown *pUnkOuter, IUnknown **ppvOut);
  50
  51 static const struct {
  52     REFCLSID clsid;
  53     LPFNCONSTRUCTOR ctor;
  54 } ClassesTable[] = {
  55     {&CLSID_ACLMulti, ACLMulti_Constructor},
  56     {&CLSID_ProgressDialog, ProgressDialog_Constructor},
  57     {&CLSID_CompCatCacheDaemon, CompCatCacheDaemon_Constructor},
  58     {NULL, NULL}
  59 };
  60
  61 typedef struct tagClassFactory
  62 {
  63     const IClassFactoryVtbl *vtbl;
  64     LONG   ref;
  65     LPFNCONSTRUCTOR ctor;
  66 } ClassFactory;
  67
  68 static void ClassFactory_Destructor(ClassFactory *This)
  69 {
  70     TRACE("Destroying class factory %p\n", This);
  71     heap_free(This);
  72     BROWSEUI_refCount--;
  73 }
  74
  75 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppvOut)
  76 {
  77     *ppvOut = NULL;
  78     if (IsEqualIID(riid, &IID_IClassFactory) || IsEqualIID(riid, &IID_IUnknown)) {
  79         IClassFactory_AddRef(iface);
  80         *ppvOut = iface;
  81         return S_OK;
  82     }
  83
  84     WARN("Unknown interface %s\n", debugstr_guid(riid));
  85     return E_NOINTERFACE;
  86 }
  87
  88 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
  89 {
  90     ClassFactory *This = (ClassFactory *)iface;
  91     return InterlockedIncrement(&This->ref);
  92 }
  93
  94 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
  95 {
  96     ClassFactory *This = (ClassFactory *)iface;
  97     ULONG ret = InterlockedDecrement(&This->ref);
  98
  99     if (ret == 0)
 100         ClassFactory_Destructor(This);
 101     return ret;
 102 }
 103
 104 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *punkOuter, REFIID iid, LPVOID *ppvOut)
 105 {
 106     ClassFactory *This = (ClassFactory *)iface;
 107     HRESULT ret;
 108     IUnknown *obj;
 109
 110     TRACE("(%p, %p, %s, %p)\n", iface, punkOuter, debugstr_guid(iid), ppvOut);
 111     ret = This->ctor(punkOuter, &obj);
 112     if (FAILED(ret))
 113         return ret;
 114     ret = IUnknown_QueryInterface(obj, iid, ppvOut);
 115     IUnknown_Release(obj);
 116     return ret;
 117 }
 118
 119 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
 120 {
 121     ClassFactory *This = (ClassFactory *)iface;
 122
 123     TRACE("(%p)->(%x)\n", This, fLock);
 124
 125     if(fLock)
 126         InterlockedIncrement(&BROWSEUI_refCount);
 127     else
 128         InterlockedDecrement(&BROWSEUI_refCount);
 129
 130     return S_OK;
 131 }
 132
 133 static const IClassFactoryVtbl ClassFactoryVtbl = {
 134     /* IUnknown */
 135     ClassFactory_QueryInterface,
 136     ClassFactory_AddRef,
 137     ClassFactory_Release,
 138
 139     /* IClassFactory*/
 140     ClassFactory_CreateInstance,
 141     ClassFactory_LockServer
 142 };
 143
 144 static HRESULT ClassFactory_Constructor(LPFNCONSTRUCTOR ctor, LPVOID *ppvOut)
 145 {
 146     ClassFactory *This = heap_alloc(sizeof(ClassFactory));
 147     This->vtbl = &ClassFactoryVtbl;
 148     This->ref = 1;
 149     This->ctor = ctor;
 150     *ppvOut = (LPVOID)This;
 151     TRACE("Created class factory %p\n", This);
 152     BROWSEUI_refCount++;
 153     return S_OK;
 154 }
 155
 156 /*************************************************************************
 157  * BROWSEUI DllMain
 158  */
 159 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD fdwReason, LPVOID fImpLoad)
 160 {
 161     TRACE("%p 0x%x %p\n", hinst, fdwReason, fImpLoad);
 162     switch (fdwReason)
 163     {
 164         case DLL_WINE_PREATTACH:
 165             return FALSE;   /* prefer native version */
 166         case DLL_PROCESS_ATTACH:
 167             DisableThreadLibraryCalls(hinst);
 168             BROWSEUI_hinstance = hinst;
 169             break;
 170     }
 171     return TRUE;
 172 }
 173
 174 /*************************************************************************
 175  *              DllCanUnloadNow (BROWSEUI.@)
 176  */
 177 HRESULT WINAPI DllCanUnloadNow(void)
 178 {
 179     return BROWSEUI_refCount ? S_FALSE : S_OK;
 180 }
 181
 182 /***********************************************************************
 183  *              DllGetVersion (BROWSEUI.@)
 184  */
 185 HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *info)
 186 {
 187     if (info->cbSize != sizeof(DLLVERSIONINFO)) FIXME("support DLLVERSIONINFO2\n");
 188
 189     /* this is what IE6 on Windows 98 reports */
 190     info->dwMajorVersion = 6;
 191     info->dwMinorVersion = 0;
 192     info->dwBuildNumber = 2600;
 193     info->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
 194
 195     return NOERROR;
 196 }
 197
 198 /***********************************************************************
 199  *              DllGetClassObject (BROWSEUI.@)
 200  */
 201 HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, LPVOID *ppvOut)
 202 {
 203     int i;
 204
 205     *ppvOut = NULL;
 206     if (!IsEqualIID(iid, &IID_IUnknown) && !IsEqualIID(iid, &IID_IClassFactory))
 207         return E_NOINTERFACE;
 208
 209     for (i = 0; ClassesTable[i].clsid != NULL; i++)
 210         if (IsEqualCLSID(ClassesTable[i].clsid, clsid)) {
 211             return ClassFactory_Constructor(ClassesTable[i].ctor, ppvOut);
 212         }
 213     FIXME("CLSID %s not supported\n", debugstr_guid(clsid));
 214     return CLASS_E_CLASSNOTAVAILABLE;
 215 }