[3/9] wuapi: Add a stub implementation of IUpdateDownloader.

[Hans Leidekker]

diff --git a/dlls/wuapi/Makefile.in b/dlls/wuapi/Makefile.in
index 95592aa..3735adc 100644
--- a/dlls/wuapi/Makefile.in
+++ b/dlls/wuapi/Makefile.in
@@ -4,9 +4,10 @@ TOPOBJDIR = ../..
 SRCDIR    = @srcdir@
 VPATH     = @srcdir@
 MODULE    = wuapi.dll
-IMPORTS   = kernel32
+IMPORTS   = uuid kernel32
 
 C_SRCS = \
+	downloader.c \
 	main.c
 
 @MAKE_DLL_RULES@
diff --git a/dlls/wuapi/downloader.c b/dlls/wuapi/downloader.c
new file mode 100644
index 0000000..7292966
--- /dev/null
+++ b/dlls/wuapi/downloader.c
@@ -0,0 +1,267 @@
+/*
+ * IUpdateDownloader implementation
+ *
+ * Copyright 2008 Hans Leidekker
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#define COBJMACROS
+
+#include "config.h"
+#include <stdarg.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "winuser.h"
+#include "ole2.h"
+#include "initguid.h"
+#include "wuapi.h"
+
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(wuapi);
+
+typedef struct _update_downloader
+{
+    const struct IUpdateDownloaderVtbl *vtbl;
+    LONG refs;
+} update_downloader;
+
+static inline update_downloader *impl_from_IUpdateDownloader( IUpdateDownloader *iface )
+{
+    return (update_downloader *)((char *)iface - FIELD_OFFSET( update_downloader, vtbl ));
+}
+
+static ULONG WINAPI update_downloader_AddRef(
+    IUpdateDownloader *iface )
+{
+    update_downloader *update_downloader = impl_from_IUpdateDownloader( iface );
+    return InterlockedIncrement( &update_downloader->refs );
+}
+
+static ULONG WINAPI update_downloader_Release(
+    IUpdateDownloader *iface )
+{
+    update_downloader *update_downloader = impl_from_IUpdateDownloader( iface );
+    LONG refs = InterlockedDecrement( &update_downloader->refs );
+    if (!refs)
+    {
+        TRACE("destroying %p\n", update_downloader);
+        HeapFree( GetProcessHeap(), 0, update_downloader );
+    }
+    return refs;
+}
+
+static HRESULT WINAPI update_downloader_QueryInterface(
+    IUpdateDownloader *iface,
+    REFIID riid,
+    void **ppvObject )
+{
+    update_downloader *This = impl_from_IUpdateDownloader( iface );
+
+    TRACE("%p %s %p\n", This, debugstr_guid( riid ), ppvObject );
+
+    if ( IsEqualGUID( riid, &IID_IUpdateDownloader ) ||
+         IsEqualGUID( riid, &IID_IDispatch ) ||
+         IsEqualGUID( riid, &IID_IUnknown ) )
+    {
+        *ppvObject = iface;
+    }
+    else
+    {
+        FIXME("interface %s not implemented\n", debugstr_guid(riid));
+        return E_NOINTERFACE;
+    }
+    IUpdateDownloader_AddRef( iface );
+    return S_OK;
+}
+
+static HRESULT WINAPI update_downloader_GetTypeInfoCount(
+    IUpdateDownloader *iface,
+    UINT *pctinfo )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_GetTypeInfo(
+    IUpdateDownloader *iface,
+    UINT iTInfo,
+    LCID lcid,
+    ITypeInfo **ppTInfo )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_GetIDsOfNames(
+    IUpdateDownloader *iface,
+    REFIID riid,
+    LPOLESTR *rgszNames,
+    UINT cNames,
+    LCID lcid,
+    DISPID *rgDispId )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_Invoke(
+    IUpdateDownloader *iface,
+    DISPID dispIdMember,
+    REFIID riid,
+    LCID lcid,
+    WORD wFlags,
+    DISPPARAMS *pDispParams,
+    VARIANT *pVarResult,
+    EXCEPINFO *pExcepInfo,
+    UINT *puArgErr )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_get_IsForced(
+    IUpdateDownloader *This,
+    VARIANT_BOOL *retval )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_put_IsForced(
+    IUpdateDownloader *This,
+    VARIANT_BOOL value )
+{
+    FIXME("%p, %d\n", This, value);
+    return S_OK;
+}
+
+static HRESULT WINAPI update_downloader_get_ClientApplicationID(
+    IUpdateDownloader *This,
+    BSTR *retval )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_put_ClientApplicationID(
+    IUpdateDownloader *This,
+    BSTR value )
+{
+    FIXME("%p, %s\n", This, debugstr_w(value));
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_get_Priority(
+    IUpdateDownloader *This,
+    DownloadPriority *retval )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_put_Priority(
+    IUpdateDownloader *This,
+    DownloadPriority value )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_get_Updates(
+    IUpdateDownloader *This,
+    IUpdateCollection **retval )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_put_Updates(
+    IUpdateDownloader *This,
+    IUpdateCollection *value )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_BeginDownload(
+    IUpdateDownloader *This,
+    IUnknown *onProgressChanged,
+    IUnknown *onCompleted,
+    VARIANT state,
+    IDownloadJob **retval )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_Download(
+    IUpdateDownloader *This,
+    IDownloadResult **retval )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static HRESULT WINAPI update_downloader_EndDownload(
+    IUpdateDownloader *This,
+    IDownloadJob *value,
+    IDownloadResult **retval )
+{
+    FIXME("\n");
+    return E_NOTIMPL;
+}
+
+static const struct IUpdateDownloaderVtbl update_downloader_vtbl =
+{
+    update_downloader_QueryInterface,
+    update_downloader_AddRef,
+    update_downloader_Release,
+    update_downloader_GetTypeInfoCount,
+    update_downloader_GetTypeInfo,
+    update_downloader_GetIDsOfNames,
+    update_downloader_Invoke,
+    update_downloader_get_ClientApplicationID,
+    update_downloader_put_ClientApplicationID,
+    update_downloader_get_IsForced,
+    update_downloader_put_IsForced,
+    update_downloader_get_Priority,
+    update_downloader_put_Priority,
+    update_downloader_get_Updates,
+    update_downloader_put_Updates,
+    update_downloader_BeginDownload,
+    update_downloader_Download,
+    update_downloader_EndDownload
+};
+
+HRESULT UpdateDownloader_create( IUnknown *pUnkOuter, LPVOID *ppObj )
+{
+    update_downloader *downloader;
+
+    TRACE("(%p,%p)\n", pUnkOuter, ppObj);
+
+    downloader = HeapAlloc( GetProcessHeap(), 0, sizeof(*downloader) );
+    if (!downloader) return E_OUTOFMEMORY;
+
+    downloader->vtbl = &update_downloader_vtbl;
+    downloader->refs = 1;
+
+    *ppObj = &downloader->vtbl;
+
+    TRACE("returning iface %p\n", *ppObj);
+    return S_OK;
+}