reactos/lib/objsel/objsel.c

   1 /*
   2  * Object Picker Dialog
   3  *
   4  * Copyright 2005 Thomas Weidenmueller <w3seek@reactos.com>
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "objsel_private.h"
  22
  23 #include "wine/debug.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(objsel);
  26
  27 LONG dll_refs = 0;
  28 HINSTANCE hInstance;
  29
  30 /***********************************************************************
  31  *              DllEntryPoint
  32  */
  33 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
  34 {
  35     switch(fdwReason)
  36     {
  37         case DLL_PROCESS_ATTACH:
  38             hInstance = hinstDLL;
  39             DisableThreadLibraryCalls(hInstance);
  40             break;
  41     }
  42     return TRUE;
  43 }
  44
  45
  46 /***********************************************************************
  47  *              DllGetClassObject (OBJSEL.@)
  48  */
  49 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
  50 {
  51     TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
  52
  53     *ppv = NULL;
  54
  55     if (IsEqualGUID(rclsid, &CLSID_DsObjectPicker))
  56         return IClassFactory_QueryInterface((IClassFactory*)&OBJSEL_ClassFactory, iid, ppv);
  57
  58     FIXME("\n\tCLSID:\t%s,\n\tIID:\t%s\n",debugstr_guid(rclsid),debugstr_guid(iid));
  59     return CLASS_E_CLASSNOTAVAILABLE;
  60 }
  61
  62
  63 /***********************************************************************
  64  *              DllCanUnloadNow (OBJSEL.@)
  65  */
  66 HRESULT WINAPI DllCanUnloadNow(void)
  67 {
  68     return dll_refs != 0 ? S_FALSE : S_OK;
  69 }
  70
  71
  72 /**********************************************************************
  73  * OBJSEL_IDsObjectPicker_Destroy (also IUnknown)
  74  */
  75 static VOID WINAPI OBJSEL_IDsObjectPicker_Destroy(IDsObjectPickerImpl *This)
  76 {
  77     HeapFree(GetProcessHeap(),
  78              0,
  79              This);
  80 }
  81
  82
  83 /**********************************************************************
  84  * OBJSEL_IDsObjectPicker_AddRef (also IUnknown)
  85  */
  86 static ULONG WINAPI OBJSEL_IDsObjectPicker_AddRef(IDsObjectPicker * iface)
  87 {
  88     IDsObjectPickerImpl *This = (IDsObjectPickerImpl *)iface;
  89     ULONG ref;
  90
  91     TRACE("\n");
  92
  93     if (This == NULL) return E_POINTER;
  94
  95     ref = InterlockedIncrement(&This->ref);
  96
  97     if (ref == 1)
  98     {
  99         InterlockedIncrement(&dll_refs);
 100     }
 101
 102     return ref;
 103 }
 104
 105
 106 /**********************************************************************
 107  * OBJSEL_IDsObjectPicker_Release (also IUnknown)
 108  */
 109 static ULONG WINAPI OBJSEL_IDsObjectPicker_Release(IDsObjectPicker * iface)
 110 {
 111     IDsObjectPickerImpl *This = (IDsObjectPickerImpl *)iface;
 112     ULONG ref;
 113
 114     TRACE("\n");
 115
 116     if (This == NULL) return E_POINTER;
 117
 118     ref = InterlockedDecrement(&This->ref);
 119
 120     if (ref == 0)
 121     {
 122         InterlockedDecrement(&dll_refs);
 123         OBJSEL_IDsObjectPicker_Destroy(This);
 124     }
 125
 126     return ref;
 127 }
 128
 129
 130 /**********************************************************************
 131  * OBJSEL_IDsObjectPicker_QueryInterface (also IUnknown)
 132  */
 133 static HRESULT WINAPI OBJSEL_IDsObjectPicker_QueryInterface(
 134     IDsObjectPicker * iface,
 135     REFIID riid,
 136     LPVOID *ppvObj)
 137 {
 138     TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
 139
 140     if (ppvObj == NULL) return E_POINTER;
 141
 142     if (IsEqualGUID(riid, &IID_IUnknown) ||
 143         IsEqualGUID(riid, &IID_IDsObjectPicker))
 144     {
 145         *ppvObj = (LPVOID)iface;
 146         OBJSEL_IDsObjectPicker_AddRef(iface);
 147         return S_OK;
 148     }
 149
 150     FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 151     return E_NOINTERFACE;
 152 }
 153
 154
 155 /**********************************************************************
 156  * OBJSEL_IDsObjectPicker_Initialize
 157  */
 158 static HRESULT WINAPI OBJSEL_IDsObjectPicker_Initialize(
 159     IDsObjectPicker * iface,
 160     PDSOP_INIT_INFO pInitInfo)
 161 {
 162     FIXME("stub!\n");
 163     return S_OK;
 164 }
 165
 166
 167 /**********************************************************************
 168  * OBJSEL_IDsObjectPicker_InvokeDialog
 169  */
 170 static HRESULT WINAPI OBJSEL_IDsObjectPicker_InvokeDialog(
 171     IDsObjectPicker * iface,
 172     HWND hwndParent,
 173     IDataObject** ppdoSelections)
 174 {
 175     FIXME("stub!\n");
 176     return S_FALSE;
 177 }
 178
 179
 180 /**********************************************************************
 181  * IDsObjectPicker_Vtbl
 182  */
 183 static IDsObjectPickerVtbl IDsObjectPicker_Vtbl =
 184 {
 185     OBJSEL_IDsObjectPicker_QueryInterface,
 186     OBJSEL_IDsObjectPicker_AddRef,
 187     OBJSEL_IDsObjectPicker_Release,
 188     OBJSEL_IDsObjectPicker_Initialize,
 189     OBJSEL_IDsObjectPicker_InvokeDialog
 190 };
 191
 192
 193 /**********************************************************************
 194  * OBJSEL_IDsObjectPicker_Create
 195  */
 196 HRESULT WINAPI OBJSEL_IDsObjectPicker_Create(LPVOID *ppvObj)
 197 {
 198     IDsObjectPickerImpl *Instance = HeapAlloc(GetProcessHeap(),
 199                                               HEAP_ZERO_MEMORY,
 200                                               sizeof(IDsObjectPickerImpl));
 201     if (Instance != NULL)
 202     {
 203         Instance->lpVtbl = &IDsObjectPicker_Vtbl;
 204         OBJSEL_IDsObjectPicker_AddRef((IDsObjectPicker *)Instance);
 205
 206         *ppvObj = Instance;
 207         return S_OK;
 208     }
 209     else
 210         return E_OUTOFMEMORY;
 211 }