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     {0}};
  66
  67 typedef struct {
  68     IClassFactory           IClassFactory_iface;
  69     LONG                    ref;
  70     const classinfo         *info;
  71 } ClassFactoryImpl;
  72
  73 static inline ClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  74 {
  75     return CONTAINING_RECORD(iface, ClassFactoryImpl, IClassFactory_iface);
  76 }
  77
  78 static HRESULT WINAPI ClassFactoryImpl_QueryInterface(IClassFactory *iface,
  79     REFIID iid, void **ppv)
  80 {
  81     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
  82     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
  83
  84     if (!ppv) return E_INVALIDARG;
  85
  86     if (IsEqualIID(&IID_IUnknown, iid) ||
  87         IsEqualIID(&IID_IClassFactory, iid))
  88     {
  89         *ppv = &This->IClassFactory_iface;
  90     }
  91     else
  92     {
  93         *ppv = NULL;
  94         return E_NOINTERFACE;
  95     }
  96
  97     IUnknown_AddRef((IUnknown*)*ppv);
  98     return S_OK;
  99 }
 100
 101 static ULONG WINAPI ClassFactoryImpl_AddRef(IClassFactory *iface)
 102 {
 103     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
 104     ULONG ref = InterlockedIncrement(&This->ref);
 105
 106     TRACE("(%p) refcount=%u\n", iface, ref);
 107
 108     return ref;
 109 }
 110
 111 static ULONG WINAPI ClassFactoryImpl_Release(IClassFactory *iface)
 112 {
 113     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
 114     ULONG ref = InterlockedDecrement(&This->ref);
 115
 116     TRACE("(%p) refcount=%u\n", iface, ref);
 117
 118     if (ref == 0)
 119         HeapFree(GetProcessHeap(), 0, This);
 120
 121     return ref;
 122 }
 123
 124 static HRESULT WINAPI ClassFactoryImpl_CreateInstance(IClassFactory *iface,
 125     IUnknown *pUnkOuter, REFIID riid, void **ppv)
 126 {
 127     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
 128
 129     return This->info->constructor(pUnkOuter, riid, ppv);
 130 }
 131
 132 static HRESULT WINAPI ClassFactoryImpl_LockServer(IClassFactory *iface, BOOL lock)
 133 {
 134     TRACE("(%p, %i): stub\n", iface, lock);
 135     return E_NOTIMPL;
 136 }
 137
 138 static const IClassFactoryVtbl ClassFactoryImpl_Vtbl = {
 139     ClassFactoryImpl_QueryInterface,
 140     ClassFactoryImpl_AddRef,
 141     ClassFactoryImpl_Release,
 142     ClassFactoryImpl_CreateInstance,
 143     ClassFactoryImpl_LockServer
 144 };
 145
 146 static HRESULT ClassFactoryImpl_Constructor(const classinfo *info, REFIID riid, LPVOID *ppv)
 147 {
 148     ClassFactoryImpl *This;
 149     HRESULT ret;
 150
 151     *ppv = NULL;
 152
 153     This = HeapAlloc(GetProcessHeap(), 0, sizeof(ClassFactoryImpl));
 154     if (!This) return E_OUTOFMEMORY;
 155
 156     This->IClassFactory_iface.lpVtbl = &ClassFactoryImpl_Vtbl;
 157     This->ref = 1;
 158     This->info = info;
 159
 160     ret = IClassFactory_QueryInterface(&This->IClassFactory_iface, riid, ppv);
 161     IClassFactory_Release(&This->IClassFactory_iface);
 162
 163     return ret;
 164 }
 165
 166 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
 167 {
 168     HRESULT ret;
 169     const classinfo *info=NULL;
 170     int i;
 171
 172     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
 173
 174     if (!rclsid || !iid || !ppv)
 175         return E_INVALIDARG;
 176
 177     *ppv = NULL;
 178
 179     for (i=0; wic_classes[i].classid; i++)
 180     {
 181         if (IsEqualCLSID(wic_classes[i].classid, rclsid))
 182         {
 183             info = &wic_classes[i];
 184             break;
 185         }
 186     }
 187
 188     if (info)
 189         ret = ClassFactoryImpl_Constructor(info, iid, ppv);
 190     else
 191         ret = WIC_DllGetClassObject(rclsid, iid, ppv);
 192
 193     TRACE("<-- %08X\n", ret);
 194     return ret;
 195 }