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 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     {0}};
  65
  66 typedef struct {
  67     IClassFactory           IClassFactory_iface;
  68     LONG                    ref;
  69     classinfo               *info;
  70 } ClassFactoryImpl;
  71
  72 static inline ClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  73 {
  74     return CONTAINING_RECORD(iface, ClassFactoryImpl, IClassFactory_iface);
  75 }
  76
  77 static HRESULT WINAPI ClassFactoryImpl_QueryInterface(IClassFactory *iface,
  78     REFIID iid, void **ppv)
  79 {
  80     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
  81     TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
  82
  83     if (!ppv) return E_INVALIDARG;
  84
  85     if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IClassFactory, iid))
  86     {
  87         *ppv = This;
  88     }
  89     else
  90     {
  91         *ppv = NULL;
  92         return E_NOINTERFACE;
  93     }
  94
  95     IUnknown_AddRef((IUnknown*)*ppv);
  96     return S_OK;
  97 }
  98
  99 static ULONG WINAPI ClassFactoryImpl_AddRef(IClassFactory *iface)
 100 {
 101     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
 102     ULONG ref = InterlockedIncrement(&This->ref);
 103
 104     TRACE("(%p) refcount=%u\n", iface, ref);
 105
 106     return ref;
 107 }
 108
 109 static ULONG WINAPI ClassFactoryImpl_Release(IClassFactory *iface)
 110 {
 111     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
 112     ULONG ref = InterlockedDecrement(&This->ref);
 113
 114     TRACE("(%p) refcount=%u\n", iface, ref);
 115
 116     if (ref == 0)
 117         HeapFree(GetProcessHeap(), 0, This);
 118
 119     return ref;
 120 }
 121
 122 static HRESULT WINAPI ClassFactoryImpl_CreateInstance(IClassFactory *iface,
 123     IUnknown *pUnkOuter, REFIID riid, void **ppv)
 124 {
 125     ClassFactoryImpl *This = impl_from_IClassFactory(iface);
 126
 127     return This->info->constructor(pUnkOuter, riid, ppv);
 128 }
 129
 130 static HRESULT WINAPI ClassFactoryImpl_LockServer(IClassFactory *iface, BOOL lock)
 131 {
 132     TRACE("(%p, %i): stub\n", iface, lock);
 133     return E_NOTIMPL;
 134 }
 135
 136 static const IClassFactoryVtbl ClassFactoryImpl_Vtbl = {
 137     ClassFactoryImpl_QueryInterface,
 138     ClassFactoryImpl_AddRef,
 139     ClassFactoryImpl_Release,
 140     ClassFactoryImpl_CreateInstance,
 141     ClassFactoryImpl_LockServer
 142 };
 143
 144 static HRESULT ClassFactoryImpl_Constructor(classinfo *info, REFIID riid, LPVOID *ppv)
 145 {
 146     ClassFactoryImpl *This;
 147     HRESULT ret;
 148
 149     *ppv = NULL;
 150
 151     This = HeapAlloc(GetProcessHeap(), 0, sizeof(ClassFactoryImpl));
 152     if (!This) return E_OUTOFMEMORY;
 153
 154     This->IClassFactory_iface.lpVtbl = &ClassFactoryImpl_Vtbl;
 155     This->ref = 1;
 156     This->info = info;
 157
 158     ret = IClassFactory_QueryInterface((IClassFactory*)This, riid, ppv);
 159     IClassFactory_Release((IClassFactory*)This);
 160
 161     return ret;
 162 }
 163
 164 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
 165 {
 166     HRESULT ret;
 167     classinfo *info=NULL;
 168     int i;
 169
 170     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
 171
 172     if (!rclsid || !iid || !ppv)
 173         return E_INVALIDARG;
 174
 175     *ppv = NULL;
 176
 177     for (i=0; wic_classes[i].classid; i++)
 178     {
 179         if (IsEqualCLSID(wic_classes[i].classid, rclsid))
 180         {
 181             info = &wic_classes[i];
 182             break;
 183         }
 184     }
 185
 186     if (info)
 187         ret = ClassFactoryImpl_Constructor(info, iid, ppv);
 188     else
 189         ret = WIC_DllGetClassObject(rclsid, iid, ppv);
 190
 191     TRACE("<-- %08X\n", ret);
 192     return ret;
 193 }