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
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winreg.h"
  30 #include "shlwapi.h"
  31 #include "shobjidl.h"
  32 #include "rpcproxy.h"
  33
  34 #include "wine/debug.h"
  35
  36 #include "explorerframe_main.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(explorerframe);
  39
  40 HINSTANCE explorerframe_hinstance;
  41 LONG EFRAME_refCount = 0;
  42
  43 /*************************************************************************
  44  *              DllMain (ExplorerFrame.@)
  45  */
  46 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD fdwReason, LPVOID fImpLoad)
  47 {
  48     TRACE("%p, 0x%x, %p\n", hinst, fdwReason, fImpLoad);
  49     switch (fdwReason)
  50     {
  51     case DLL_PROCESS_ATTACH:
  52         DisableThreadLibraryCalls(hinst);
  53         explorerframe_hinstance = hinst;
  54         break;
  55     }
  56     return TRUE;
  57 }
  58
  59 /*************************************************************************
  60  *              DllCanUnloadNow (ExplorerFrame.@)
  61  */
  62 HRESULT WINAPI DllCanUnloadNow(void)
  63 {
  64     TRACE("refCount is %d\n", EFRAME_refCount);
  65     return EFRAME_refCount ? S_FALSE : S_OK;
  66 }
  67
  68 /*************************************************************************
  69  *              DllGetVersion (ExplorerFrame.@)
  70  */
  71 HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *info)
  72 {
  73     TRACE("%p\n", info);
  74     if(info->cbSize == sizeof(DLLVERSIONINFO) ||
  75        info->cbSize == sizeof(DLLVERSIONINFO2))
  76     {
  77         /* Windows 7 */
  78         info->dwMajorVersion = 6;
  79         info->dwMinorVersion = 1;
  80         info->dwBuildNumber = 7600;
  81         info->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
  82         if(info->cbSize == sizeof(DLLVERSIONINFO2))
  83         {
  84             DLLVERSIONINFO2 *info2 = (DLLVERSIONINFO2*)info;
  85             info2->dwFlags = 0;
  86             info2->ullVersion = MAKEDLLVERULL(info->dwMajorVersion,
  87                                               info->dwMinorVersion,
  88                                               info->dwBuildNumber,
  89                                               16385); /* "hotfix number" */
  90         }
  91         return S_OK;
  92     }
  93
  94     WARN("wrong DLLVERSIONINFO size from app.\n");
  95     return E_INVALIDARG;
  96 }
  97
  98 /*************************************************************************
  99  * Implement the ExplorerFrame class factory
 100  */
 101
 102 typedef struct
 103 {
 104     IClassFactory IClassFactory_iface;
 105     HRESULT (*cf)(IUnknown*, REFIID, void**);
 106     LONG ref;
 107 } IClassFactoryImpl;
 108
 109 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
 110 {
 111     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
 112 }
 113
 114 /*************************************************************************
 115  * EFCF_QueryInterface
 116  */
 117 static HRESULT WINAPI EFCF_QueryInterface(IClassFactory* iface,
 118                                           REFIID riid, void **ppobj)
 119 {
 120     TRACE("%p (%s %p)\n", iface, debugstr_guid(riid), ppobj);
 121
 122     if(!ppobj)
 123         return E_POINTER;
 124
 125     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid))
 126     {
 127         *ppobj = iface;
 128         IClassFactory_AddRef(iface);
 129         return S_OK;
 130     }
 131
 132     WARN("Interface not supported.\n");
 133
 134     *ppobj = NULL;
 135     return E_NOINTERFACE;
 136 }
 137
 138 /*************************************************************************
 139  * EFCF_AddRef
 140  */
 141 static ULONG WINAPI EFCF_AddRef(IClassFactory *iface)
 142 {
 143     EFRAME_LockModule();
 144
 145     return 2; /* non-heap based object */
 146 }
 147
 148 /*************************************************************************
 149  * EFCF_Release
 150  */
 151 static ULONG WINAPI EFCF_Release(IClassFactory *iface)
 152 {
 153     EFRAME_UnlockModule();
 154
 155     return 1; /* non-heap based object */
 156 }
 157
 158 /*************************************************************************
 159  * EFCF_CreateInstance (IClassFactory)
 160  */
 161 static HRESULT WINAPI EFCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 162                                           REFIID riid, void **ppobj)
 163 {
 164     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 165     return This->cf(pOuter, riid, ppobj);
 166 }
 167
 168 /*************************************************************************
 169  * EFCF_LockServer (IClassFactory)
 170  */
 171 static HRESULT WINAPI EFCF_LockServer(IClassFactory *iface, BOOL dolock)
 172 {
 173     TRACE("%p (%d)\n", iface, dolock);
 174
 175     if (dolock)
 176         EFRAME_LockModule();
 177     else
 178         EFRAME_UnlockModule();
 179
 180     return S_OK;
 181 }
 182
 183 static const IClassFactoryVtbl EFCF_Vtbl =
 184 {
 185     EFCF_QueryInterface,
 186     EFCF_AddRef,
 187     EFCF_Release,
 188     EFCF_CreateInstance,
 189     EFCF_LockServer
 190 };
 191
 192 /*************************************************************************
 193  *              DllGetClassObject (ExplorerFrame.@)
 194  */
 195 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
 196 {
 197     static IClassFactoryImpl NSTCClassFactory = {{&EFCF_Vtbl}, NamespaceTreeControl_Constructor};
 198     static IClassFactoryImpl TaskbarListFactory = {{&EFCF_Vtbl}, TaskbarList_Constructor};
 199
 200     TRACE("%s, %s, %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 201
 202     if(IsEqualGUID(&CLSID_NamespaceTreeControl, rclsid))
 203         return IClassFactory_QueryInterface(&NSTCClassFactory.IClassFactory_iface, riid, ppv);
 204
 205     if(IsEqualGUID(&CLSID_TaskbarList, rclsid))
 206         return IClassFactory_QueryInterface(&TaskbarListFactory.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 }