dlls/explorerframe/explorerframe_main.c

   1 /*
   2  * ExplorerFrame main functions
   3  *
   4  * Copyright 2010 David Hedberg
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define COBJMACROS
  25 #define NONAMELESSUNION
  26 #define NONAMELESSSTRUCT
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winuser.h"
  31 #include "winreg.h"
  32 #include "shlwapi.h"
  33 #include "shobjidl.h"
  34 #include "rpcproxy.h"
  35
  36 #include "wine/debug.h"
  37
  38 #include "explorerframe_main.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(explorerframe);
  41
  42 HINSTANCE explorerframe_hinstance;
  43 LONG EFRAME_refCount = 0;
  44
  45 /*************************************************************************
  46  *              DllMain (ExplorerFrame.@)
  47  */
  48 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD fdwReason, LPVOID fImpLoad)
  49 {
  50     TRACE("%p, 0x%x, %p\n", hinst, fdwReason, fImpLoad);
  51     switch (fdwReason)
  52     {
  53     case DLL_PROCESS_ATTACH:
  54         DisableThreadLibraryCalls(hinst);
  55         explorerframe_hinstance = hinst;
  56         break;
  57     case DLL_PROCESS_DETACH:
  58         break;
  59     }
  60     return TRUE;
  61 }
  62
  63 /*************************************************************************
  64  *              DllCanUnloadNow (ExplorerFrame.@)
  65  */
  66 HRESULT WINAPI DllCanUnloadNow(void)
  67 {
  68     TRACE("refCount is %d\n", EFRAME_refCount);
  69     return EFRAME_refCount ? S_FALSE : S_OK;
  70 }
  71
  72 /*************************************************************************
  73  *              DllGetVersion (ExplorerFrame.@)
  74  */
  75 HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *info)
  76 {
  77     TRACE("%p\n", info);
  78     if(info->cbSize == sizeof(DLLVERSIONINFO) ||
  79        info->cbSize == sizeof(DLLVERSIONINFO2))
  80     {
  81         /* Windows 7 */
  82         info->dwMajorVersion = 6;
  83         info->dwMinorVersion = 1;
  84         info->dwBuildNumber = 7600;
  85         info->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
  86         if(info->cbSize == sizeof(DLLVERSIONINFO2))
  87         {
  88             DLLVERSIONINFO2 *info2 = (DLLVERSIONINFO2*)info;
  89             info2->dwFlags = 0;
  90             info2->ullVersion = MAKEDLLVERULL(info->dwMajorVersion,
  91                                               info->dwMinorVersion,
  92                                               info->dwBuildNumber,
  93                                               16385); /* "hotfix number" */
  94         }
  95         return S_OK;
  96     }
  97
  98     WARN("wrong DLLVERSIONINFO size from app.\n");
  99     return E_INVALIDARG;
 100 }
 101
 102 /*************************************************************************
 103  * Implement the ExplorerFrame class factory
 104  */
 105
 106 typedef struct
 107 {
 108     IClassFactory IClassFactory_iface;
 109     HRESULT (*cf)(IUnknown*, REFIID, void**);
 110     LONG ref;
 111 } IClassFactoryImpl;
 112
 113 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
 114 {
 115     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
 116 }
 117
 118 /*************************************************************************
 119  * EFCF_QueryInterface
 120  */
 121 static HRESULT WINAPI EFCF_QueryInterface(IClassFactory* iface,
 122                                           REFIID riid, void **ppobj)
 123 {
 124     TRACE("%p (%s %p)\n", iface, debugstr_guid(riid), ppobj);
 125
 126     if(!ppobj)
 127         return E_POINTER;
 128
 129     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid))
 130     {
 131         *ppobj = iface;
 132         IClassFactory_AddRef(iface);
 133         return S_OK;
 134     }
 135
 136     WARN("Interface not supported.\n");
 137
 138     *ppobj = NULL;
 139     return E_NOINTERFACE;
 140 }
 141
 142 /*************************************************************************
 143  * EFCF_AddRef
 144  */
 145 static ULONG WINAPI EFCF_AddRef(IClassFactory *iface)
 146 {
 147     EFRAME_LockModule();
 148
 149     return 2; /* non-heap based object */
 150 }
 151
 152 /*************************************************************************
 153  * EFCF_Release
 154  */
 155 static ULONG WINAPI EFCF_Release(IClassFactory *iface)
 156 {
 157     EFRAME_UnlockModule();
 158
 159     return 1; /* non-heap based object */
 160 }
 161
 162 /*************************************************************************
 163  * EFCF_CreateInstance (IClassFactory)
 164  */
 165 static HRESULT WINAPI EFCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 166                                           REFIID riid, void **ppobj)
 167 {
 168     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 169     return This->cf(pOuter, riid, ppobj);
 170 }
 171
 172 /*************************************************************************
 173  * EFCF_LockServer (IClassFactory)
 174  */
 175 static HRESULT WINAPI EFCF_LockServer(IClassFactory *iface, BOOL dolock)
 176 {
 177     TRACE("%p (%d)\n", iface, dolock);
 178
 179     if (dolock)
 180         EFRAME_LockModule();
 181     else
 182         EFRAME_UnlockModule();
 183
 184     return S_OK;
 185 }
 186
 187 static const IClassFactoryVtbl EFCF_Vtbl =
 188 {
 189     EFCF_QueryInterface,
 190     EFCF_AddRef,
 191     EFCF_Release,
 192     EFCF_CreateInstance,
 193     EFCF_LockServer
 194 };
 195
 196 /*************************************************************************
 197  *              DllGetClassObject (ExplorerFrame.@)
 198  */
 199 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
 200 {
 201     static IClassFactoryImpl NSTCClassFactory = {{&EFCF_Vtbl}, NamespaceTreeControl_Constructor};
 202
 203     TRACE("%s, %s, %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 204
 205     if(IsEqualGUID(&CLSID_NamespaceTreeControl, rclsid))
 206         return IClassFactory_QueryInterface(&NSTCClassFactory.IClassFactory_iface, riid, ppv);
 207
 208     return CLASS_E_CLASSNOTAVAILABLE;
 209 }
 210
 211 /*************************************************************************
 212  *          DllRegisterServer (ExplorerFrame.@)
 213  */
 214 HRESULT WINAPI DllRegisterServer(void)
 215 {
 216     return __wine_register_resources( explorerframe_hinstance );
 217 }
 218
 219 /*************************************************************************
 220  *          DllUnregisterServer (ExplorerFrame.@)
 221  */
 222 HRESULT WINAPI DllUnregisterServer(void)
 223 {
 224     return __wine_unregister_resources( explorerframe_hinstance );
 225 }