git.oblomov.eu Git - wine/blob - dlls/windowscodecs/clsfactory.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 #include "config.h"
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winreg.h"
  28 #include "objbase.h"
  29 #include "ocidl.h"
  30 #include "initguid.h"
  31 #include "wincodec.h"
  32 #include "wincodecsdk.h"
  33
  34 #include "wincodecs_private.h"
  35
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
  39
  40 extern HRESULT WINAPI WIC_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLSPEC_HIDDEN;
  41
  42 typedef struct {
  43     REFCLSID classid;
  44     HRESULT (*constructor)(IUnknown*,REFIID,void**);
  45 } classinfo;
  46
  47 static const classinfo wic_classes[] = {
  48     {&CLSID_WICImagingFactory, ComponentFactory_CreateInstance},
  49     {&CLSID_WICBmpDecoder, BmpDecoder_CreateInstance},
  50     {&CLSID_WICPngDecoder, PngDecoder_CreateInstance},
  51     {&CLSID_WICPngEncoder, PngEncoder_CreateInstance},
  52     {&CLSID_WICBmpEncoder, BmpEncoder_CreateInstance},
  53     {&CLSID_WICGifDecoder, GifDecoder_CreateInstance},
  54     {&CLSID_WICIcoDecoder, IcoDecoder_CreateInstance},
  55     {&CLSID_WICJpegDecoder, JpegDecoder_CreateInstance},
  56     {&CLSID_WICJpegEncoder, JpegEncoder_CreateInstance},
  57     {&CLSID_WICTiffDecoder, TiffDecoder_CreateInstance},
  58     {&CLSID_WICTiffEncoder, TiffEncoder_CreateInstance},
  59     {&CLSID_WICIcnsEncoder, IcnsEncoder_CreateInstance},
  60     {&CLSID_WICDefaultFormatConverter, FormatConverter_CreateInstance},
  61     {&CLSID_WineTgaDecoder, TgaDecoder_CreateInstance},
  62     {&CLSID_WICUnknownMetadataReader, UnknownMetadataReader_CreateInstance},
  63     {&CLSID_WICIfdMetadataReader, IfdMetadataReader_CreateInstance},
  64     {&CLSID_WICPngTextMetadataReader, PngTextReader_CreateInstance},
  65     {&CLSID_WICLSDMetadataReader, LSDReader_CreateInstance},
  66     {&CLSID_WICIMDMetadataReader, IMDReader_CreateInstance},
  67     {&CLSID_WICGCEMetadataReader, GCEReader_CreateInstance},
  68     {&CLSID_WICAPEMetadataReader, APEReader_CreateInstance},
  69     {0}};
  70
  71 typedef struct {
  72     IClassFactory           IClassFactory_iface;
  73     LONG                    ref;
  74     const classinfo         *info;
  75 } ClassFactoryImpl;
  76
  77 static inline ClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  78 {
  79     return CONTAINING_RECORD(iface, ClassFactoryImpl, IClassFactory_iface);
  80 }
  81
  82 static HRESULT WINAPI ClassFactoryImpl_QueryInterface(IClassFactory *iface,
  83     REFIID iid, void **ppv)
  84 {
  85     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
  86     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
  87
  88     if (!ppv) return E_INVALIDARG;
  89
  90     if (IsEqualIID(&IID_IUnknown, iid) ||
  91         IsEqualIID(&IID_IClassFactory, iid))
  92     {
  93         *ppv = &This->IClassFactory_iface;
  94     }
  95     else
  96     {
  97         *ppv = NULL;
  98         return E_NOINTERFACE;
  99     }
 100
 101     IUnknown_AddRef((IUnknown*)*ppv);
 102     return S_OK;
 103 }
 104
 105 static ULONG WINAPI ClassFactoryImpl_AddRef(IClassFactory *iface)
 106 {
 107     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
 108     ULONG ref = InterlockedIncrement(&This->ref);
 109
 110     TRACE("(%p) refcount=%u\n", iface, ref);
 111
 112     return ref;
 113 }
 114
 115 static ULONG WINAPI ClassFactoryImpl_Release(IClassFactory *iface)
 116 {
 117     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
 118     ULONG ref = InterlockedDecrement(&This->ref);
 119
 120     TRACE("(%p) refcount=%u\n", iface, ref);
 121
 122     if (ref == 0)
 123         HeapFree(GetProcessHeap(), 0, This);
 124
 125     return ref;
 126 }
 127
 128 static HRESULT WINAPI ClassFactoryImpl_CreateInstance(IClassFactory *iface,
 129     IUnknown *pUnkOuter, REFIID riid, void **ppv)
 130 {
 131     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
 132
 133     return This->info->constructor(pUnkOuter, riid, ppv);
 134 }
 135
 136 static HRESULT WINAPI ClassFactoryImpl_LockServer(IClassFactory *iface, BOOL lock)
 137 {
 138     TRACE("(%p, %i): stub\n", iface, lock);
 139     return E_NOTIMPL;
 140 }
 141
 142 static const IClassFactoryVtbl ClassFactoryImpl_Vtbl = {
 143     ClassFactoryImpl_QueryInterface,
 144     ClassFactoryImpl_AddRef,
 145     ClassFactoryImpl_Release,
 146     ClassFactoryImpl_CreateInstance,
 147     ClassFactoryImpl_LockServer
 148 };
 149
 150 static HRESULT ClassFactoryImpl_Constructor(const classinfo *info, REFIID riid, LPVOID *ppv)
 151 {
 152     ClassFactoryImpl *This;
 153     HRESULT ret;
 154
 155     *ppv = NULL;
 156
 157     This = HeapAlloc(GetProcessHeap(), 0, sizeof(ClassFactoryImpl));
 158     if (!This) return E_OUTOFMEMORY;
 159
 160     This->IClassFactory_iface.lpVtbl = &ClassFactoryImpl_Vtbl;
 161     This->ref = 1;
 162     This->info = info;
 163
 164     ret = IClassFactory_QueryInterface(&This->IClassFactory_iface, riid, ppv);
 165     IClassFactory_Release(&This->IClassFactory_iface);
 166
 167     return ret;
 168 }
 169
 170 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
 171 {
 172     HRESULT ret;
 173     const classinfo *info=NULL;
 174     int i;
 175
 176     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
 177
 178     if (!rclsid || !iid || !ppv)
 179         return E_INVALIDARG;
 180
 181     *ppv = NULL;
 182
 183     for (i=0; wic_classes[i].classid; i++)
 184     {
 185         if (IsEqualCLSID(wic_classes[i].classid, rclsid))
 186         {
 187             info = &wic_classes[i];
 188             break;
 189         }
 190     }
 191
 192     if (info)
 193         ret = ClassFactoryImpl_Constructor(info, iid, ppv);
 194     else
 195         ret = WIC_DllGetClassObject(rclsid, iid, ppv);
 196
 197     TRACE("<-- %08X\n", ret);
 198     return ret;
 199 }