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     }
  58     return TRUE;
  59 }
  60
  61 /*************************************************************************
  62  *              DllCanUnloadNow (ExplorerFrame.@)
  63  */
  64 HRESULT WINAPI DllCanUnloadNow(void)
  65 {
  66     TRACE("refCount is %d\n", EFRAME_refCount);
  67     return EFRAME_refCount ? S_FALSE : S_OK;
  68 }
  69
  70 /*************************************************************************
  71  *              DllGetVersion (ExplorerFrame.@)
  72  */
  73 HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *info)
  74 {
  75     TRACE("%p\n", info);
  76     if(info->cbSize == sizeof(DLLVERSIONINFO) ||
  77        info->cbSize == sizeof(DLLVERSIONINFO2))
  78     {
  79         /* Windows 7 */
  80         info->dwMajorVersion = 6;
  81         info->dwMinorVersion = 1;
  82         info->dwBuildNumber = 7600;
  83         info->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
  84         if(info->cbSize == sizeof(DLLVERSIONINFO2))
  85         {
  86             DLLVERSIONINFO2 *info2 = (DLLVERSIONINFO2*)info;
  87             info2->dwFlags = 0;
  88             info2->ullVersion = MAKEDLLVERULL(info->dwMajorVersion,
  89                                               info->dwMinorVersion,
  90                                               info->dwBuildNumber,
  91                                               16385); /* "hotfix number" */
  92         }
  93         return S_OK;
  94     }
  95
  96     WARN("wrong DLLVERSIONINFO size from app.\n");
  97     return E_INVALIDARG;
  98 }
  99
 100 /*************************************************************************
 101  * Implement the ExplorerFrame class factory
 102  */
 103
 104 typedef struct
 105 {
 106     IClassFactory IClassFactory_iface;
 107     HRESULT (*cf)(IUnknown*, REFIID, void**);
 108     LONG ref;
 109 } IClassFactoryImpl;
 110
 111 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
 112 {
 113     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
 114 }
 115
 116 /*************************************************************************
 117  * EFCF_QueryInterface
 118  */
 119 static HRESULT WINAPI EFCF_QueryInterface(IClassFactory* iface,
 120                                           REFIID riid, void **ppobj)
 121 {
 122     TRACE("%p (%s %p)\n", iface, debugstr_guid(riid), ppobj);
 123
 124     if(!ppobj)
 125         return E_POINTER;
 126
 127     if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IClassFactory, riid))
 128     {
 129         *ppobj = iface;
 130         IClassFactory_AddRef(iface);
 131         return S_OK;
 132     }
 133
 134     WARN("Interface not supported.\n");
 135
 136     *ppobj = NULL;
 137     return E_NOINTERFACE;
 138 }
 139
 140 /*************************************************************************
 141  * EFCF_AddRef
 142  */
 143 static ULONG WINAPI EFCF_AddRef(IClassFactory *iface)
 144 {
 145     EFRAME_LockModule();
 146
 147     return 2; /* non-heap based object */
 148 }
 149
 150 /*************************************************************************
 151  * EFCF_Release
 152  */
 153 static ULONG WINAPI EFCF_Release(IClassFactory *iface)
 154 {
 155     EFRAME_UnlockModule();
 156
 157     return 1; /* non-heap based object */
 158 }
 159
 160 /*************************************************************************
 161  * EFCF_CreateInstance (IClassFactory)
 162  */
 163 static HRESULT WINAPI EFCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 164                                           REFIID riid, void **ppobj)
 165 {
 166     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 167     return This->cf(pOuter, riid, ppobj);
 168 }
 169
 170 /*************************************************************************
 171  * EFCF_LockServer (IClassFactory)
 172  */
 173 static HRESULT WINAPI EFCF_LockServer(IClassFactory *iface, BOOL dolock)
 174 {
 175     TRACE("%p (%d)\n", iface, dolock);
 176
 177     if (dolock)
 178         EFRAME_LockModule();
 179     else
 180         EFRAME_UnlockModule();
 181
 182     return S_OK;
 183 }
 184
 185 static const IClassFactoryVtbl EFCF_Vtbl =
 186 {
 187     EFCF_QueryInterface,
 188     EFCF_AddRef,
 189     EFCF_Release,
 190     EFCF_CreateInstance,
 191     EFCF_LockServer
 192 };
 193
 194 /*************************************************************************
 195  *              DllGetClassObject (ExplorerFrame.@)
 196  */
 197 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
 198 {
 199     static IClassFactoryImpl NSTCClassFactory = {{&EFCF_Vtbl}, NamespaceTreeControl_Constructor};
 200     static IClassFactoryImpl TaskbarListFactory = {{&EFCF_Vtbl}, TaskbarList_Constructor};
 201
 202     TRACE("%s, %s, %p\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 203
 204     if(IsEqualGUID(&CLSID_NamespaceTreeControl, rclsid))
 205         return IClassFactory_QueryInterface(&NSTCClassFactory.IClassFactory_iface, riid, ppv);
 206
 207     if(IsEqualGUID(&CLSID_TaskbarList, rclsid))
 208         return IClassFactory_QueryInterface(&TaskbarListFactory.IClassFactory_iface, riid, ppv);
 209
 210     return CLASS_E_CLASSNOTAVAILABLE;
 211 }
 212
 213 /*************************************************************************
 214  *          DllRegisterServer (ExplorerFrame.@)
 215  */
 216 HRESULT WINAPI DllRegisterServer(void)
 217 {
 218     return __wine_register_resources( explorerframe_hinstance );
 219 }
 220
 221 /*************************************************************************
 222  *          DllUnregisterServer (ExplorerFrame.@)
 223  */
 224 HRESULT WINAPI DllUnregisterServer(void)
 225 {
 226     return __wine_unregister_resources( explorerframe_hinstance );
 227 }