gphoto2.ds: Merge ds_ctrl.c into gphoto2_main.c.

dlls/gphoto2.ds/Makefile.in

@@ -9,7 +9,6 @@ EXTRAINCL = @GPHOTO2INCL@
 
 C_SRCS = \
 	capability.c \
-	ds_ctrl.c \
 	ds_image.c \
 	gphoto2_main.c \
 	ui.c

dlls/gphoto2.ds/ds_ctrl.c

-/*
- * Copyright 2000 Corel Corporation
- * Copyright 2006 Marcus Meissner
- *
- * 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
- */
-
-#include "config.h"
-
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#include <stdlib.h>
-#include <stdio.h>
-#include "twain.h"
-#include "gphoto2_i.h"
-#include "wine/debug.h"
-
-WINE_DEFAULT_DEBUG_CHANNEL(twain);
-
-static void
-load_filesystem(const char *folder) {
-#ifdef HAVE_GPHOTO2
-    int		i, count, ret;
-    CameraList	*list;
-
-    ret = gp_list_new (&list);
-    if (ret < GP_OK)
-	return;
-    ret = gp_camera_folder_list_files (activeDS.camera, folder, list, activeDS.context);
-    if (ret < GP_OK) {
-	gp_list_free (list);
-	return;
-    }
-    count = gp_list_count (list);
-    if (count < GP_OK) {
-	gp_list_free (list);
-	return;
-    }
-    for (i = 0; i < count; i++) {
-	const char *name;
-	struct gphoto2_file *gpfile;
-
-	ret = gp_list_get_name (list, i, &name);
-	if (ret < GP_OK)
-	    continue;
-	gpfile = malloc(sizeof(struct gphoto2_file));
-	if (!gpfile)
-	    continue;
-	TRACE("adding %s/%s\n", folder, name);
-	gpfile->folder = strdup(folder);
-	gpfile->filename = strdup(name);
-	gpfile->download = FALSE;
-	list_add_tail( &activeDS.files, &gpfile->entry );
-    }
-    gp_list_reset (list);
-
-    ret = gp_camera_folder_list_folders (activeDS.camera, folder, list, activeDS.context);
-    if (ret < GP_OK) {
-	FIXME("list_folders failed\n");
-	gp_list_free (list);
-	return;
-    }
-    count = gp_list_count (list);
-    if (count < GP_OK) {
-	FIXME("list_folders failed\n");
-	gp_list_free (list);
-	return;
-    }
-    for (i = 0; i < count; i++) {
-	const char *name;
-	char *newfolder;
-	ret = gp_list_get_name (list, i, &name);
-	if (ret < GP_OK)
-	    continue;
-	TRACE("recursing into %s\n", name);
-	newfolder = malloc(strlen(folder)+1+strlen(name)+1);
-	if (!strcmp(folder,"/"))
-	    sprintf (newfolder, "/%s", name);
-	else
-	    sprintf (newfolder, "%s/%s", folder, name);
-	load_filesystem (newfolder); /* recurse ... happily */
-    }
-    gp_list_free (list);
-#endif
-}
-
-/* DG_CONTROL/DAT_CAPABILITY/MSG_GET */
-TW_UINT16 GPHOTO2_CapabilityGet (pTW_IDENTITY pOrigin, TW_MEMREF pData)
-{
-    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
-
-    TRACE("DG_CONTROL/DAT_CAPABILITY/MSG_GET\n");
-    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_GET);
-    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_CAPABILITY/MSG_GETCURRENT */
-TW_UINT16 GPHOTO2_CapabilityGetCurrent (pTW_IDENTITY pOrigin, TW_MEMREF pData)
-{
-    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
-
-    TRACE("DG_CONTROL/DAT_CAPABILITY/MSG_GETCURRENT\n");
-
-    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_GETCURRENT);
-    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_CAPABILITY/MSG_GETDEFAULT */
-TW_UINT16 GPHOTO2_CapabilityGetDefault (pTW_IDENTITY pOrigin, TW_MEMREF pData)
-{
-    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
-
-    TRACE("DG_CONTROL/DAT_CAPABILITY/MSG_GETDEFAULT\n");
-    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_GETDEFAULT);
-    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_CAPABILITY/MSG_QUERYSUPPORT */
-TW_UINT16 GPHOTO2_CapabilityQuerySupport (pTW_IDENTITY pOrigin,
-                                        TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_CAPABILITY/MSG_RESET */
-TW_UINT16 GPHOTO2_CapabilityReset (pTW_IDENTITY pOrigin, 
-                                 TW_MEMREF pData)
-{
-    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
-
-    TRACE("DG_CONTROL/DAT_CAPABILITY/MSG_RESET\n");
-
-    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_RESET);
-    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_CAPABILITY/MSG_SET */
-TW_UINT16 GPHOTO2_CapabilitySet (pTW_IDENTITY pOrigin, 
-                               TW_MEMREF pData)
-{
-    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
-
-    TRACE ("DG_CONTROL/DAT_CAPABILITY/MSG_SET\n");
-
-    if (activeDS.currentState != 4) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_SET);
-    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_CUSTOMDSDATA/MSG_GET */
-TW_UINT16 GPHOTO2_CustomDSDataGet (pTW_IDENTITY pOrigin, 
-                                TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_CUSTOMDSDATA/MSG_SET */
-TW_UINT16 GPHOTO2_CustomDSDataSet (pTW_IDENTITY pOrigin, 
-                                 TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_AUTOMATICCAPTUREDIRECTORY */
-TW_UINT16 GPHOTO2_AutomaticCaptureDirectory (pTW_IDENTITY pOrigin,
-                                           
-                                           TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_CHANGEDIRECTORY */
-TW_UINT16 GPHOTO2_ChangeDirectory (pTW_IDENTITY pOrigin, 
-                                 TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_COPY */
-TW_UINT16 GPHOTO2_FileSystemCopy (pTW_IDENTITY pOrigin, 
-                                TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_CREATEDIRECTORY */
-TW_UINT16 GPHOTO2_CreateDirectory (pTW_IDENTITY pOrigin, 
-                                 TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_DELETE */
-TW_UINT16 GPHOTO2_FileSystemDelete (pTW_IDENTITY pOrigin, 
-                                  TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_FORMATMEDIA */
-TW_UINT16 GPHOTO2_FormatMedia (pTW_IDENTITY pOrigin, 
-                             TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_GETCLOSE */
-TW_UINT16 GPHOTO2_FileSystemGetClose (pTW_IDENTITY pOrigin, 
-                                    TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_GETFIRSTFILE */
-TW_UINT16 GPHOTO2_FileSystemGetFirstFile (pTW_IDENTITY pOrigin,
-                                        
-                                        TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_GETINFO */
-TW_UINT16 GPHOTO2_FileSystemGetInfo (pTW_IDENTITY pOrigin, 
-                                   TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_GETNEXTFILE */
-TW_UINT16 GPHOTO2_FileSystemGetNextFile (pTW_IDENTITY pOrigin,
-                                       
-                                       TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_FILESYSTEM/MSG_RENAME */
-TW_UINT16 GPHOTO2_FileSystemRename (pTW_IDENTITY pOrigin, 
-                                  TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_EVENT/MSG_PROCESSEVENT */
-TW_UINT16 GPHOTO2_ProcessEvent (pTW_IDENTITY pOrigin, 
-                              TW_MEMREF pData)
-{
-    TW_UINT16 twRC = TWRC_SUCCESS;
-    pTW_EVENT pEvent = (pTW_EVENT) pData;
-
-    TRACE("DG_CONTROL/DAT_EVENT/MSG_PROCESSEVENT\n");
-
-    if (activeDS.currentState < 5 || activeDS.currentState > 7) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-
-    if (activeDS.pendingEvent.TWMessage != MSG_NULL) {
-        pEvent->TWMessage = activeDS.pendingEvent.TWMessage;
-        activeDS.pendingEvent.TWMessage = MSG_NULL;
-        twRC = TWRC_SUCCESS;
-    } else {
-        pEvent->TWMessage = MSG_NULL;  /* no message to the application */
-        twRC = TWRC_NOTDSEVENT;
-    }
-    activeDS.twCC = TWCC_SUCCESS;
-    return twRC;
-}
-
-/* DG_CONTROL/DAT_PASSTHRU/MSG_PASSTHRU */
-TW_UINT16 GPHOTO2_PassThrough (pTW_IDENTITY pOrigin, 
-                             TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_PENDINGXFERS/MSG_ENDXFER */
-TW_UINT16 GPHOTO2_PendingXfersEndXfer (pTW_IDENTITY pOrigin, 
-                                     TW_MEMREF pData)
-{
-    TW_UINT32 count;
-    pTW_PENDINGXFERS pPendingXfers = (pTW_PENDINGXFERS) pData;
-    struct gphoto2_file *file;
-
-    TRACE("DG_CONTROL/DAT_PENDINGXFERS/MSG_ENDXFER\n");
-
-    if (activeDS.currentState != 6 && activeDS.currentState != 7) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-    count = 0;
-    LIST_FOR_EACH_ENTRY( file, &activeDS.files, struct gphoto2_file, entry ) {
-	if (file->download)
-	    count++;
-    }
-    TRACE("count = %ld\n", count);
-    pPendingXfers->Count = count;
-    if (pPendingXfers->Count != 0) {
-        activeDS.currentState = 6;
-    } else {
-        activeDS.currentState = 5;
-        /* Notify the application that it can close the data source */
-        activeDS.pendingEvent.TWMessage = MSG_CLOSEDSREQ;
-        /* close any Transferring dialog */
-        TransferringDialogBox(activeDS.progressWnd,-1);
-        activeDS.progressWnd = 0;
-    }
-    activeDS.twCC = TWCC_SUCCESS;
-    return TWRC_SUCCESS;
-}
-
-/* DG_CONTROL/DAT_PENDINGXFERS/MSG_GET */
-TW_UINT16 GPHOTO2_PendingXfersGet (pTW_IDENTITY pOrigin, 
-                                 TW_MEMREF pData)
-{
-    TW_UINT32 count;
-    pTW_PENDINGXFERS pPendingXfers = (pTW_PENDINGXFERS) pData;
-    struct gphoto2_file *file;
-
-    TRACE("DG_CONTROL/DAT_PENDINGXFERS/MSG_GET\n");
-
-    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-
-    count = 0;
-    LIST_FOR_EACH_ENTRY( file, &activeDS.files, struct gphoto2_file, entry ) {
-	if (file->download)
-	    count++;
-    }
-    TRACE("count = %ld\n", count);
-    pPendingXfers->Count = count;
-    activeDS.twCC = TWCC_SUCCESS;
-    return TWRC_SUCCESS;
-}
-
-/* DG_CONTROL/DAT_PENDINGXFERS/MSG_RESET */
-TW_UINT16 GPHOTO2_PendingXfersReset (pTW_IDENTITY pOrigin, 
-                                   TW_MEMREF pData)
-{
-    pTW_PENDINGXFERS pPendingXfers = (pTW_PENDINGXFERS) pData;
-
-    TRACE("DG_CONTROL/DAT_PENDINGXFERS/MSG_RESET\n");
-
-    if (activeDS.currentState != 6) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-    pPendingXfers->Count = 0;
-    activeDS.currentState = 5;
-    activeDS.twCC = TWCC_SUCCESS;
-    return TWRC_SUCCESS;
-}
-
-/* DG_CONTROL/DAT_PENDINGXFERS/MSG_STOPFEEDER */
-TW_UINT16 GPHOTO2_PendingXfersStopFeeder (pTW_IDENTITY pOrigin,
-                                        TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_SETUPFILEXFER/MSG_GET */
-TW_UINT16 GPHOTO2_SetupFileXferGet (pTW_IDENTITY pOrigin, 
-                                  TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_SETUPXFER/MSG_GETDEFAULT */
-TW_UINT16 GPHOTO2_SetupFileXferGetDefault (pTW_IDENTITY pOrigin, 
-                                         TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-
-/* DG_CONTROL/DAT_SETUPFILEXFER/MSG_RESET */
-TW_UINT16 GPHOTO2_SetupFileXferReset (pTW_IDENTITY pOrigin, 
-                                    TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_SETUPFILEXFER/MSG_SET */
-TW_UINT16 GPHOTO2_SetupFileXferSet (pTW_IDENTITY pOrigin, 
-                                  TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_SETUPFILEXFER2/MSG_GET */
-TW_UINT16 GPHOTO2_SetupFileXfer2Get (pTW_IDENTITY pOrigin, 
-                                   TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_SETUPFILEXFER2/MSG_GETDEFAULT */
-TW_UINT16 GPHOTO2_SetupFileXfer2GetDefault (pTW_IDENTITY pOrigin, 
-                                         TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_SETUPFILEXFER2/MSG_RESET */
-TW_UINT16 GPHOTO2_SetupFileXfer2Reset (pTW_IDENTITY pOrigin, 
-                                  TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_SETUPFILEXFER2/MSG_SET */
-TW_UINT16 GPHOTO2_SetupFileXfer2Set (pTW_IDENTITY pOrigin, 
-                                  TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_SETUPMEMXFER/MSG_GET */
-TW_UINT16 GPHOTO2_SetupMemXferGet (pTW_IDENTITY pOrigin, 
-                                  TW_MEMREF pData)
-{
-    pTW_SETUPMEMXFER  pSetupMemXfer = (pTW_SETUPMEMXFER)pData;
-
-    TRACE("DG_CONTROL/DAT_SETUPMEMXFER/MSG_GET\n");
-    /* Guessing */
-    pSetupMemXfer->MinBufSize = 20000;
-    pSetupMemXfer->MaxBufSize = 80000;
-    pSetupMemXfer->Preferred = 40000;
-    return TWRC_SUCCESS;
-}
-
-/* DG_CONTROL/DAT_STATUS/MSG_GET */
-TW_UINT16 GPHOTO2_GetDSStatus (pTW_IDENTITY pOrigin, 
-                             TW_MEMREF pData)
-{
-    pTW_STATUS pSourceStatus = (pTW_STATUS) pData;
-
-    TRACE ("DG_CONTROL/DAT_STATUS/MSG_GET\n");
-    pSourceStatus->ConditionCode = activeDS.twCC;
-    /* Reset the condition code */
-    activeDS.twCC = TWCC_SUCCESS;
-    return TWRC_SUCCESS;
-}
-
-/* DG_CONTROL/DAT_USERINTERFACE/MSG_DISABLEDS */
-TW_UINT16 GPHOTO2_DisableDSUserInterface (pTW_IDENTITY pOrigin,
-                                        TW_MEMREF pData)
-{
-    TRACE ("DG_CONTROL/DAT_USERINTERFACE/MSG_DISABLEDS\n");
-
-    if (activeDS.currentState != 5) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-    activeDS.currentState = 4;
-    activeDS.twCC = TWCC_SUCCESS;
-    return TWRC_SUCCESS;
-}
-
-/* DG_CONTROL/DAT_USERINTERFACE/MSG_ENABLEDS */
-TW_UINT16 GPHOTO2_EnableDSUserInterface (pTW_IDENTITY pOrigin,
-                                       TW_MEMREF pData)
-{
-    pTW_USERINTERFACE pUserInterface = (pTW_USERINTERFACE) pData;
-
-    load_filesystem("/");
-
-    TRACE ("DG_CONTROL/DAT_USERINTERFACE/MSG_ENABLEDS\n");
-    if (activeDS.currentState != 4) {
-	FIXME("Sequence error %d\n", activeDS.currentState);
-        activeDS.twCC = TWCC_SEQERROR;
-	return TWRC_FAILURE;
-    }
-    activeDS.hwndOwner = pUserInterface->hParent;
-    if (pUserInterface->ShowUI)
-    {
-	BOOL rc;
-	activeDS.currentState = 5; /* Transitions to state 5 */
-	rc = DoCameraUI();
-	if (!rc) {
-	    activeDS.pendingEvent.TWMessage = MSG_CLOSEDSREQ;
-	} else {
-	    /* FIXME: The GUI should have marked the files to download... */
-	    activeDS.pendingEvent.TWMessage = MSG_XFERREADY;
-	    activeDS.currentState = 6; /* Transitions to state 6 directly */
-	}
-    } else {
-	/* no UI will be displayed, so source is ready to transfer data */
-	activeDS.pendingEvent.TWMessage = MSG_XFERREADY;
-	activeDS.currentState = 6; /* Transitions to state 6 directly */
-    }
-    activeDS.hwndOwner = pUserInterface->hParent;
-    activeDS.twCC = TWCC_SUCCESS;
-    return TWRC_SUCCESS;
-}
-
-/* DG_CONTROL/DAT_USERINTERFACE/MSG_ENABLEDSUIONLY */
-TW_UINT16 GPHOTO2_EnableDSUIOnly (pTW_IDENTITY pOrigin, 
-                                TW_MEMREF pData)
-{
-    TRACE("DG_CONTROL/DAT_USERINTERFACE/MSG_ENABLEDSUIONLY\n");
-
-    if (activeDS.currentState != 4) {
-        activeDS.twCC = TWCC_SEQERROR;
-        return TWRC_FAILURE;
-    }
-    /* FIXME: we should replace xscanimage with our own UI */
-    FIXME ("not implemented!\n");
-    activeDS.currentState = 5;
-    activeDS.twCC = TWCC_SUCCESS;
-    return TWRC_SUCCESS;
-}
-
-/* DG_CONTROL/DAT_XFERGROUP/MSG_GET */
-TW_UINT16 GPHOTO2_XferGroupGet (pTW_IDENTITY pOrigin, 
-                              TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-    return TWRC_FAILURE;
-}
-
-/* DG_CONTROL/DAT_XFERGROUP/MSG_SET */
-TW_UINT16 GPHOTO2_XferGroupSet (pTW_IDENTITY pOrigin, 
-                                  TW_MEMREF pData)
-{
-    FIXME ("stub!\n");
-    return TWRC_FAILURE;
-}

dlls/gphoto2.ds/gphoto2_i.h

@@ -104,88 +104,6 @@ struct tagActiveDS
 extern TW_UINT16 GPHOTO2_SaneCapability (pTW_CAPABILITY pCapability, TW_UINT16 action);
 
 /* Implementation of operation triplets
- * From Application to Source (Control Information) */
-TW_UINT16 GPHOTO2_CapabilityGet (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_CapabilityGetCurrent
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_CapabilityGetDefault
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_CapabilityQuerySupport
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_CapabilityReset
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_CapabilitySet
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_CustomDSDataGet
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_CustomDSDataSet
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_AutomaticCaptureDirectory
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_ChangeDirectory
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_FileSystemCopy
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_CreateDirectory
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_FileSystemDelete
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_FormatMedia
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_FileSystemGetClose
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_FileSystemGetFirstFile
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_FileSystemGetInfo
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_FileSystemGetNextFile
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_FileSystemRename
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_ProcessEvent
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_PassThrough
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_PendingXfersEndXfer
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_PendingXfersGet
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_PendingXfersReset
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_PendingXfersStopFeeder
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_SetupFileXferGet
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_SetupFileXferGetDefault
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_SetupFileXferReset
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_SetupFileXferSet
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_SetupFileXfer2Get
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_SetupFileXfer2GetDefault
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_SetupFileXfer2Reset
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_SetupFileXfer2Set
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_SetupMemXferGet
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_GetDSStatus
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_DisableDSUserInterface
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_EnableDSUserInterface
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_EnableDSUIOnly
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_XferGroupGet
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-TW_UINT16 GPHOTO2_XferGroupSet
-    (pTW_IDENTITY pOrigin, TW_MEMREF pData);
-
-/* Implementation of operation triplets
  * From Application to Source (Image Information) */
 TW_UINT16 GPHOTO2_CIEColorGet
     (pTW_IDENTITY pOrigin, TW_MEMREF pData);

dlls/gphoto2.ds/gphoto2_main.c

@@ -23,6 +23,10 @@
 
 #include <stdarg.h>
 #include <stdio.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#include <stdlib.h>
 
 #include "windef.h"
 #include "winbase.h"
@@ -32,6 +36,522 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(twain);
 
+
+static void
+load_filesystem(const char *folder) {
+#ifdef HAVE_GPHOTO2
+    int		i, count, ret;
+    CameraList	*list;
+
+    ret = gp_list_new (&list);
+    if (ret < GP_OK)
+	return;
+    ret = gp_camera_folder_list_files (activeDS.camera, folder, list, activeDS.context);
+    if (ret < GP_OK) {
+	gp_list_free (list);
+	return;
+    }
+    count = gp_list_count (list);
+    if (count < GP_OK) {
+	gp_list_free (list);
+	return;
+    }
+    for (i = 0; i < count; i++) {
+	const char *name;
+	struct gphoto2_file *gpfile;
+
+	ret = gp_list_get_name (list, i, &name);
+	if (ret < GP_OK)
+	    continue;
+	gpfile = malloc(sizeof(struct gphoto2_file));
+	if (!gpfile)
+	    continue;
+	TRACE("adding %s/%s\n", folder, name);
+	gpfile->folder = strdup(folder);
+	gpfile->filename = strdup(name);
+	gpfile->download = FALSE;
+	list_add_tail( &activeDS.files, &gpfile->entry );
+    }
+    gp_list_reset (list);
+
+    ret = gp_camera_folder_list_folders (activeDS.camera, folder, list, activeDS.context);
+    if (ret < GP_OK) {
+	FIXME("list_folders failed\n");
+	gp_list_free (list);
+	return;
+    }
+    count = gp_list_count (list);
+    if (count < GP_OK) {
+	FIXME("list_folders failed\n");
+	gp_list_free (list);
+	return;
+    }
+    for (i = 0; i < count; i++) {
+	const char *name;
+	char *newfolder;
+	ret = gp_list_get_name (list, i, &name);
+	if (ret < GP_OK)
+	    continue;
+	TRACE("recursing into %s\n", name);
+	newfolder = malloc(strlen(folder)+1+strlen(name)+1);
+	if (!strcmp(folder,"/"))
+	    sprintf (newfolder, "/%s", name);
+	else
+	    sprintf (newfolder, "%s/%s", folder, name);
+	load_filesystem (newfolder); /* recurse ... happily */
+    }
+    gp_list_free (list);
+#endif
+}
+
+/* DG_CONTROL/DAT_CAPABILITY/MSG_GET */
+static TW_UINT16 GPHOTO2_CapabilityGet (pTW_IDENTITY pOrigin, TW_MEMREF pData)
+{
+    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
+
+    TRACE("DG_CONTROL/DAT_CAPABILITY/MSG_GET\n");
+    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_GET);
+    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_CAPABILITY/MSG_GETCURRENT */
+static TW_UINT16 GPHOTO2_CapabilityGetCurrent (pTW_IDENTITY pOrigin, TW_MEMREF pData)
+{
+    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
+
+    TRACE("DG_CONTROL/DAT_CAPABILITY/MSG_GETCURRENT\n");
+
+    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_GETCURRENT);
+    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_CAPABILITY/MSG_GETDEFAULT */
+static TW_UINT16 GPHOTO2_CapabilityGetDefault (pTW_IDENTITY pOrigin, TW_MEMREF pData)
+{
+    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
+
+    TRACE("DG_CONTROL/DAT_CAPABILITY/MSG_GETDEFAULT\n");
+    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_GETDEFAULT);
+    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_CAPABILITY/MSG_QUERYSUPPORT */
+static TW_UINT16 GPHOTO2_CapabilityQuerySupport (pTW_IDENTITY pOrigin,
+                                        TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_CAPABILITY/MSG_RESET */
+static TW_UINT16 GPHOTO2_CapabilityReset (pTW_IDENTITY pOrigin,
+                                 TW_MEMREF pData)
+{
+    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
+
+    TRACE("DG_CONTROL/DAT_CAPABILITY/MSG_RESET\n");
+
+    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_RESET);
+    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_CAPABILITY/MSG_SET */
+static TW_UINT16 GPHOTO2_CapabilitySet (pTW_IDENTITY pOrigin,
+                               TW_MEMREF pData)
+{
+    pTW_CAPABILITY pCapability = (pTW_CAPABILITY) pData;
+
+    TRACE ("DG_CONTROL/DAT_CAPABILITY/MSG_SET\n");
+
+    if (activeDS.currentState != 4) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+    activeDS.twCC = GPHOTO2_SaneCapability (pCapability, MSG_SET);
+    return (activeDS.twCC == TWCC_SUCCESS)?TWRC_SUCCESS:TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_CUSTOMDSDATA/MSG_GET */
+static TW_UINT16 GPHOTO2_CustomDSDataGet (pTW_IDENTITY pOrigin,
+                                TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_CUSTOMDSDATA/MSG_SET */
+static TW_UINT16 GPHOTO2_CustomDSDataSet (pTW_IDENTITY pOrigin,
+                                 TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_FILESYSTEM/MSG_CHANGEDIRECTORY */
+static TW_UINT16 GPHOTO2_ChangeDirectory (pTW_IDENTITY pOrigin,
+                                 TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_FILESYSTEM/MSG_CREATEDIRECTORY */
+static TW_UINT16 GPHOTO2_CreateDirectory (pTW_IDENTITY pOrigin,
+                                 TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_FILESYSTEM/MSG_DELETE */
+static TW_UINT16 GPHOTO2_FileSystemDelete (pTW_IDENTITY pOrigin,
+                                  TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_FILESYSTEM/MSG_FORMATMEDIA */
+static TW_UINT16 GPHOTO2_FormatMedia (pTW_IDENTITY pOrigin,
+                             TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_FILESYSTEM/MSG_GETCLOSE */
+static TW_UINT16 GPHOTO2_FileSystemGetClose (pTW_IDENTITY pOrigin,
+                                    TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_FILESYSTEM/MSG_GETFIRSTFILE */
+static TW_UINT16 GPHOTO2_FileSystemGetFirstFile (pTW_IDENTITY pOrigin,
+
+                                        TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_FILESYSTEM/MSG_GETINFO */
+static TW_UINT16 GPHOTO2_FileSystemGetInfo (pTW_IDENTITY pOrigin,
+                                   TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_FILESYSTEM/MSG_GETNEXTFILE */
+static TW_UINT16 GPHOTO2_FileSystemGetNextFile (pTW_IDENTITY pOrigin,
+
+                                       TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_FILESYSTEM/MSG_RENAME */
+static TW_UINT16 GPHOTO2_FileSystemRename (pTW_IDENTITY pOrigin,
+                                  TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_EVENT/MSG_PROCESSEVENT */
+static TW_UINT16 GPHOTO2_ProcessEvent (pTW_IDENTITY pOrigin,
+                              TW_MEMREF pData)
+{
+    TW_UINT16 twRC = TWRC_SUCCESS;
+    pTW_EVENT pEvent = (pTW_EVENT) pData;
+
+    TRACE("DG_CONTROL/DAT_EVENT/MSG_PROCESSEVENT\n");
+
+    if (activeDS.currentState < 5 || activeDS.currentState > 7) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+
+    if (activeDS.pendingEvent.TWMessage != MSG_NULL) {
+        pEvent->TWMessage = activeDS.pendingEvent.TWMessage;
+        activeDS.pendingEvent.TWMessage = MSG_NULL;
+        twRC = TWRC_SUCCESS;
+    } else {
+        pEvent->TWMessage = MSG_NULL;  /* no message to the application */
+        twRC = TWRC_NOTDSEVENT;
+    }
+    activeDS.twCC = TWCC_SUCCESS;
+    return twRC;
+}
+
+/* DG_CONTROL/DAT_PASSTHRU/MSG_PASSTHRU */
+static TW_UINT16 GPHOTO2_PassThrough (pTW_IDENTITY pOrigin,
+                             TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_PENDINGXFERS/MSG_ENDXFER */
+static TW_UINT16 GPHOTO2_PendingXfersEndXfer (pTW_IDENTITY pOrigin,
+                                     TW_MEMREF pData)
+{
+    TW_UINT32 count;
+    pTW_PENDINGXFERS pPendingXfers = (pTW_PENDINGXFERS) pData;
+    struct gphoto2_file *file;
+
+    TRACE("DG_CONTROL/DAT_PENDINGXFERS/MSG_ENDXFER\n");
+
+    if (activeDS.currentState != 6 && activeDS.currentState != 7) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+    count = 0;
+    LIST_FOR_EACH_ENTRY( file, &activeDS.files, struct gphoto2_file, entry ) {
+	if (file->download)
+	    count++;
+    }
+    TRACE("count = %ld\n", count);
+    pPendingXfers->Count = count;
+    if (pPendingXfers->Count != 0) {
+        activeDS.currentState = 6;
+    } else {
+        activeDS.currentState = 5;
+        /* Notify the application that it can close the data source */
+        activeDS.pendingEvent.TWMessage = MSG_CLOSEDSREQ;
+        /* close any Transferring dialog */
+        TransferringDialogBox(activeDS.progressWnd,-1);
+        activeDS.progressWnd = 0;
+    }
+    activeDS.twCC = TWCC_SUCCESS;
+    return TWRC_SUCCESS;
+}
+
+/* DG_CONTROL/DAT_PENDINGXFERS/MSG_GET */
+static TW_UINT16 GPHOTO2_PendingXfersGet (pTW_IDENTITY pOrigin,
+                                 TW_MEMREF pData)
+{
+    TW_UINT32 count;
+    pTW_PENDINGXFERS pPendingXfers = (pTW_PENDINGXFERS) pData;
+    struct gphoto2_file *file;
+
+    TRACE("DG_CONTROL/DAT_PENDINGXFERS/MSG_GET\n");
+
+    if (activeDS.currentState < 4 || activeDS.currentState > 7) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+
+    count = 0;
+    LIST_FOR_EACH_ENTRY( file, &activeDS.files, struct gphoto2_file, entry ) {
+	if (file->download)
+	    count++;
+    }
+    TRACE("count = %ld\n", count);
+    pPendingXfers->Count = count;
+    activeDS.twCC = TWCC_SUCCESS;
+    return TWRC_SUCCESS;
+}
+
+/* DG_CONTROL/DAT_PENDINGXFERS/MSG_RESET */
+static TW_UINT16 GPHOTO2_PendingXfersReset (pTW_IDENTITY pOrigin,
+                                   TW_MEMREF pData)
+{
+    pTW_PENDINGXFERS pPendingXfers = (pTW_PENDINGXFERS) pData;
+
+    TRACE("DG_CONTROL/DAT_PENDINGXFERS/MSG_RESET\n");
+
+    if (activeDS.currentState != 6) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+    pPendingXfers->Count = 0;
+    activeDS.currentState = 5;
+    activeDS.twCC = TWCC_SUCCESS;
+    return TWRC_SUCCESS;
+}
+
+/* DG_CONTROL/DAT_SETUPFILEXFER/MSG_GET */
+static TW_UINT16 GPHOTO2_SetupFileXferGet (pTW_IDENTITY pOrigin,
+                                  TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_SETUPXFER/MSG_GETDEFAULT */
+static TW_UINT16 GPHOTO2_SetupFileXferGetDefault (pTW_IDENTITY pOrigin,
+                                         TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+
+/* DG_CONTROL/DAT_SETUPFILEXFER/MSG_RESET */
+static TW_UINT16 GPHOTO2_SetupFileXferReset (pTW_IDENTITY pOrigin,
+                                    TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_SETUPFILEXFER/MSG_SET */
+static TW_UINT16 GPHOTO2_SetupFileXferSet (pTW_IDENTITY pOrigin,
+                                  TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_SETUPMEMXFER/MSG_GET */
+static TW_UINT16 GPHOTO2_SetupMemXferGet (pTW_IDENTITY pOrigin,
+                                  TW_MEMREF pData)
+{
+    pTW_SETUPMEMXFER  pSetupMemXfer = (pTW_SETUPMEMXFER)pData;
+
+    TRACE("DG_CONTROL/DAT_SETUPMEMXFER/MSG_GET\n");
+    /* Guessing */
+    pSetupMemXfer->MinBufSize = 20000;
+    pSetupMemXfer->MaxBufSize = 80000;
+    pSetupMemXfer->Preferred = 40000;
+    return TWRC_SUCCESS;
+}
+
+/* DG_CONTROL/DAT_STATUS/MSG_GET */
+static TW_UINT16 GPHOTO2_GetDSStatus (pTW_IDENTITY pOrigin,
+                             TW_MEMREF pData)
+{
+    pTW_STATUS pSourceStatus = (pTW_STATUS) pData;
+
+    TRACE ("DG_CONTROL/DAT_STATUS/MSG_GET\n");
+    pSourceStatus->ConditionCode = activeDS.twCC;
+    /* Reset the condition code */
+    activeDS.twCC = TWCC_SUCCESS;
+    return TWRC_SUCCESS;
+}
+
+/* DG_CONTROL/DAT_USERINTERFACE/MSG_DISABLEDS */
+static TW_UINT16 GPHOTO2_DisableDSUserInterface (pTW_IDENTITY pOrigin,
+                                        TW_MEMREF pData)
+{
+    TRACE ("DG_CONTROL/DAT_USERINTERFACE/MSG_DISABLEDS\n");
+
+    if (activeDS.currentState != 5) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+    activeDS.currentState = 4;
+    activeDS.twCC = TWCC_SUCCESS;
+    return TWRC_SUCCESS;
+}
+
+/* DG_CONTROL/DAT_USERINTERFACE/MSG_ENABLEDS */
+static TW_UINT16 GPHOTO2_EnableDSUserInterface (pTW_IDENTITY pOrigin,
+                                       TW_MEMREF pData)
+{
+    pTW_USERINTERFACE pUserInterface = (pTW_USERINTERFACE) pData;
+
+    load_filesystem("/");
+
+    TRACE ("DG_CONTROL/DAT_USERINTERFACE/MSG_ENABLEDS\n");
+    if (activeDS.currentState != 4) {
+	FIXME("Sequence error %d\n", activeDS.currentState);
+        activeDS.twCC = TWCC_SEQERROR;
+	return TWRC_FAILURE;
+    }
+    activeDS.hwndOwner = pUserInterface->hParent;
+    if (pUserInterface->ShowUI)
+    {
+	BOOL rc;
+	activeDS.currentState = 5; /* Transitions to state 5 */
+	rc = DoCameraUI();
+	if (!rc) {
+	    activeDS.pendingEvent.TWMessage = MSG_CLOSEDSREQ;
+	} else {
+	    /* FIXME: The GUI should have marked the files to download... */
+	    activeDS.pendingEvent.TWMessage = MSG_XFERREADY;
+	    activeDS.currentState = 6; /* Transitions to state 6 directly */
+	}
+    } else {
+	/* no UI will be displayed, so source is ready to transfer data */
+	activeDS.pendingEvent.TWMessage = MSG_XFERREADY;
+	activeDS.currentState = 6; /* Transitions to state 6 directly */
+    }
+    activeDS.hwndOwner = pUserInterface->hParent;
+    activeDS.twCC = TWCC_SUCCESS;
+    return TWRC_SUCCESS;
+}
+
+/* DG_CONTROL/DAT_USERINTERFACE/MSG_ENABLEDSUIONLY */
+static TW_UINT16 GPHOTO2_EnableDSUIOnly (pTW_IDENTITY pOrigin,
+                                TW_MEMREF pData)
+{
+    TRACE("DG_CONTROL/DAT_USERINTERFACE/MSG_ENABLEDSUIONLY\n");
+
+    if (activeDS.currentState != 4) {
+        activeDS.twCC = TWCC_SEQERROR;
+        return TWRC_FAILURE;
+    }
+    /* FIXME: we should replace xscanimage with our own UI */
+    FIXME ("not implemented!\n");
+    activeDS.currentState = 5;
+    activeDS.twCC = TWCC_SUCCESS;
+    return TWRC_SUCCESS;
+}
+
+/* DG_CONTROL/DAT_XFERGROUP/MSG_GET */
+static TW_UINT16 GPHOTO2_XferGroupGet (pTW_IDENTITY pOrigin,
+                              TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+    return TWRC_FAILURE;
+}
+
+/* DG_CONTROL/DAT_XFERGROUP/MSG_SET */
+static TW_UINT16 GPHOTO2_XferGroupSet (pTW_IDENTITY pOrigin,
+                                  TW_MEMREF pData)
+{
+    FIXME ("stub!\n");
+    return TWRC_FAILURE;
+}
+
 HINSTANCE GPHOTO2_instance;
 
 BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)