dll/win32/windowscodecs/propertybag.c

   1 /*
   2  * Copyright 2009 Vincent Povirk for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #define WIN32_NO_STATUS
  20 #define _INC_WINDOWS
  21 #define COM_NO_WINDOWS_H
  22
  23 #include <config.h>
  24
  25 #include <stdarg.h>
  26
  27 #define COBJMACROS
  28
  29 #include <windef.h>
  30 #include <winbase.h>
  31 #include <objbase.h>
  32 #include <wincodec.h>
  33
  34 //#include "wincodecs_private.h"
  35
  36 #include <wine/debug.h>
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
  39
  40 typedef struct PropertyBag {
  41     IPropertyBag2 IPropertyBag2_iface;
  42     LONG ref;
  43 } PropertyBag;
  44
  45 static inline PropertyBag *impl_from_IPropertyBag2(IPropertyBag2 *iface)
  46 {
  47     return CONTAINING_RECORD(iface, PropertyBag, IPropertyBag2_iface);
  48 }
  49
  50 static HRESULT WINAPI PropertyBag_QueryInterface(IPropertyBag2 *iface, REFIID iid,
  51     void **ppv)
  52 {
  53     PropertyBag *This = impl_from_IPropertyBag2(iface);
  54     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
  55
  56     if (!ppv) return E_INVALIDARG;
  57
  58     if (IsEqualIID(&IID_IUnknown, iid) ||
  59         IsEqualIID(&IID_IPropertyBag2, iid))
  60     {
  61         *ppv = &This->IPropertyBag2_iface;
  62     }
  63     else
  64     {
  65         *ppv = NULL;
  66         return E_NOINTERFACE;
  67     }
  68
  69     IUnknown_AddRef((IUnknown*)*ppv);
  70     return S_OK;
  71 }
  72
  73 static ULONG WINAPI PropertyBag_AddRef(IPropertyBag2 *iface)
  74 {
  75     PropertyBag *This = impl_from_IPropertyBag2(iface);
  76     ULONG ref = InterlockedIncrement(&This->ref);
  77
  78     TRACE("(%p) refcount=%u\n", iface, ref);
  79
  80     return ref;
  81 }
  82
  83 static ULONG WINAPI PropertyBag_Release(IPropertyBag2 *iface)
  84 {
  85     PropertyBag *This = impl_from_IPropertyBag2(iface);
  86     ULONG ref = InterlockedDecrement(&This->ref);
  87
  88     TRACE("(%p) refcount=%u\n", iface, ref);
  89
  90     if (ref == 0)
  91     {
  92         HeapFree(GetProcessHeap(), 0, This);
  93     }
  94
  95     return ref;
  96 }
  97
  98 static HRESULT WINAPI PropertyBag_Read(IPropertyBag2 *iface, ULONG cProperties,
  99     PROPBAG2 *pPropBag, IErrorLog *pErrLog, VARIANT *pvarValue, HRESULT *phrError)
 100 {
 101     FIXME("(%p,%u,%p,%p,%p,%p): stub\n", iface, cProperties, pPropBag, pErrLog, pvarValue, phrError);
 102     return E_NOTIMPL;
 103 }
 104
 105 static HRESULT WINAPI PropertyBag_Write(IPropertyBag2 *iface, ULONG cProperties,
 106     PROPBAG2 *pPropBag, VARIANT *pvarValue)
 107 {
 108     FIXME("(%p,%u,%p,%p): stub\n", iface, cProperties, pPropBag, pvarValue);
 109     return E_NOTIMPL;
 110 }
 111
 112 static HRESULT WINAPI PropertyBag_CountProperties(IPropertyBag2 *iface, ULONG *pcProperties)
 113 {
 114     FIXME("(%p,%p): stub\n", iface, pcProperties);
 115     return E_NOTIMPL;
 116 }
 117
 118 static HRESULT WINAPI PropertyBag_GetPropertyInfo(IPropertyBag2 *iface, ULONG iProperty,
 119     ULONG cProperties, PROPBAG2 *pPropBag, ULONG *pcProperties)
 120 {
 121     FIXME("(%p,%u,%u,%p,%p): stub\n", iface, iProperty, cProperties, pPropBag, pcProperties);
 122     return E_NOTIMPL;
 123 }
 124
 125 static HRESULT WINAPI PropertyBag_LoadObject(IPropertyBag2 *iface, LPCOLESTR pstrName,
 126     DWORD dwHint, IUnknown *pUnkObject, IErrorLog *pErrLog)
 127 {
 128     FIXME("(%p,%s,%u,%p,%p): stub\n", iface, debugstr_w(pstrName), dwHint, pUnkObject, pErrLog);
 129     return E_NOTIMPL;
 130 }
 131
 132 static const IPropertyBag2Vtbl PropertyBag_Vtbl = {
 133     PropertyBag_QueryInterface,
 134     PropertyBag_AddRef,
 135     PropertyBag_Release,
 136     PropertyBag_Read,
 137     PropertyBag_Write,
 138     PropertyBag_CountProperties,
 139     PropertyBag_GetPropertyInfo,
 140     PropertyBag_LoadObject
 141 };
 142
 143 HRESULT CreatePropertyBag2(IPropertyBag2 **ppPropertyBag2)
 144 {
 145     PropertyBag *This;
 146
 147     This = HeapAlloc(GetProcessHeap(), 0, sizeof(PropertyBag));
 148     if (!This) return E_OUTOFMEMORY;
 149
 150     This->IPropertyBag2_iface.lpVtbl = &PropertyBag_Vtbl;
 151     This->ref = 1;
 152
 153     *ppPropertyBag2 = &This->IPropertyBag2_iface;
 154
 155     return S_OK;
 156 }