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