gphoto2_main.c 35.3 KB
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/*
 * SANE.DS functions
 *
 * Copyright 2000 Shi Quan He <shiquan@cyberdude.com>
 * 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
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 */

#include "config.h"

#include <stdarg.h>
#include <stdio.h>
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#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <stdlib.h>
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#include "gphoto2_i.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(twain);

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#ifdef HAVE_GPHOTO2
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static char* GPHOTO2_StrDup(const char* str)
{
    char* dst = HeapAlloc(GetProcessHeap(), 0, strlen(str)+1);
    strcpy(dst, str);
    return dst;
}
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#endif
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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;
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	gpfile = HeapAlloc(GetProcessHeap(), 0, sizeof(struct gphoto2_file)); /* FIXME: Leaked */
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	if (!gpfile)
	    continue;
	TRACE("adding %s/%s\n", folder, name);
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	gpfile->folder = GPHOTO2_StrDup(folder);
	gpfile->filename = GPHOTO2_StrDup(name);
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	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);
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	newfolder = HeapAlloc(GetProcessHeap(), 0, strlen(folder)+1+strlen(name)+1);
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	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++;
    }
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    TRACE("count = %d\n", count);
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    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++;
    }
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    TRACE("count = %d\n", count);
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    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;
}

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HINSTANCE GPHOTO2_instance;

BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
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    TRACE("%p,%x,%p\n", hinstDLL, fdwReason, lpvReserved);
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    switch (fdwReason)
    {
        case DLL_PROCESS_ATTACH:
	    GPHOTO2_instance = hinstDLL;
            DisableThreadLibraryCalls(hinstDLL);
#ifdef HAVE_GPHOTO2
	    activeDS.context = gp_context_new ();
#endif
            break;

        case DLL_PROCESS_DETACH:
	    GPHOTO2_instance = NULL;
            break;
    }

    return TRUE;
}

#ifdef HAVE_GPHOTO2
static TW_UINT16 GPHOTO2_GetIdentity( pTW_IDENTITY, pTW_IDENTITY);
static TW_UINT16 GPHOTO2_OpenDS( pTW_IDENTITY, pTW_IDENTITY);
#endif

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static TW_UINT16 GPHOTO2_SourceControlHandler (
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   pTW_IDENTITY pOrigin,
   TW_UINT16    DAT,
   TW_UINT16    MSG,
   TW_MEMREF    pData)
{
    TW_UINT16 twRC = TWRC_SUCCESS;

    switch (DAT)
    {
	case DAT_IDENTITY:
	    switch (MSG)
	    {
		case MSG_CLOSEDS:
#ifdef HAVE_GPHOTO2
		     if (activeDS.camera) {
			gp_camera_free (activeDS.camera);
			activeDS.camera = NULL;
		     }
#endif
		     break;
		case MSG_GET:
#ifdef HAVE_GPHOTO2
		     twRC = GPHOTO2_GetIdentity(pOrigin,(pTW_IDENTITY)pData);
#else
		     twRC = TWRC_FAILURE;
#endif
		     break;
		case MSG_OPENDS:
#ifdef HAVE_GPHOTO2
		     twRC = GPHOTO2_OpenDS(pOrigin,(pTW_IDENTITY)pData);
#else
		     twRC = TWRC_FAILURE;
#endif
		     break;
	    }
	    break;
        case DAT_CAPABILITY:
            switch (MSG)
            {
                case MSG_GET:
                    twRC = GPHOTO2_CapabilityGet (pOrigin, pData);
                    break;
                case MSG_GETCURRENT:
                    twRC = GPHOTO2_CapabilityGetCurrent (pOrigin, pData);
                    break;
                case MSG_GETDEFAULT:
                    twRC = GPHOTO2_CapabilityGetDefault (pOrigin, pData);
                    break;
                case MSG_QUERYSUPPORT:
                    twRC = GPHOTO2_CapabilityQuerySupport (pOrigin, pData);
                    break;
                case MSG_RESET:
                    twRC = GPHOTO2_CapabilityReset (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_CapabilitySet (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    FIXME("unrecognized opertion triplet\n");
            }
            break;

        case DAT_CUSTOMDSDATA:
            switch (MSG)
            {
                case MSG_GET:
                    twRC = GPHOTO2_CustomDSDataGet (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_CustomDSDataSet (pOrigin, pData);
                    break;
                default:
                    break;
            }
            break;

        case DAT_FILESYSTEM:
            switch (MSG)
            {
                /*case MSG_AUTOMATICCAPTUREDIRECTORY:
                    twRC = GPHOTO2_AutomaticCaptureDirectory
                               (pOrigin, pData);
                    break;*/
                case MSG_CHANGEDIRECTORY:
                    twRC = GPHOTO2_ChangeDirectory (pOrigin, pData);
                    break;
                /*case MSG_COPY:
                    twRC = GPHOTO2_FileSystemCopy (pOrigin, pData);
                    break;*/
                case MSG_CREATEDIRECTORY:
                    twRC = GPHOTO2_CreateDirectory (pOrigin, pData);
                    break;
                case MSG_DELETE:
                    twRC = GPHOTO2_FileSystemDelete (pOrigin, pData);
                    break;
                case MSG_FORMATMEDIA:
                    twRC = GPHOTO2_FormatMedia (pOrigin, pData);
                    break;
                case MSG_GETCLOSE:
                    twRC = GPHOTO2_FileSystemGetClose (pOrigin, pData);
                    break;
                case MSG_GETFIRSTFILE:
                    twRC = GPHOTO2_FileSystemGetFirstFile (pOrigin, pData);
                    break;
                case MSG_GETINFO:
                    twRC = GPHOTO2_FileSystemGetInfo (pOrigin, pData);
                    break;
                case MSG_GETNEXTFILE:
                    twRC = GPHOTO2_FileSystemGetNextFile (pOrigin, pData);
                    break;
                case MSG_RENAME:
                    twRC = GPHOTO2_FileSystemRename (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    break;
            }
            break;

        case DAT_EVENT:
            if (MSG == MSG_PROCESSEVENT)
                twRC = GPHOTO2_ProcessEvent (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_PASSTHRU:
            if (MSG == MSG_PASSTHRU)
                twRC = GPHOTO2_PassThrough (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_PENDINGXFERS:
            switch (MSG)
            {
                case MSG_ENDXFER:
                    twRC = GPHOTO2_PendingXfersEndXfer (pOrigin, pData);
                    break;
                case MSG_GET:
                    twRC = GPHOTO2_PendingXfersGet (pOrigin, pData);
                    break;
                case MSG_RESET:
                    twRC = GPHOTO2_PendingXfersReset (pOrigin, pData);
                    break;
                /*case MSG_STOPFEEDER:
                    twRC = GPHOTO2_PendingXfersStopFeeder (pOrigin, pData);
                    break;*/
                default:
                    twRC = TWRC_FAILURE;
            }
            break;

        case DAT_SETUPFILEXFER:
            switch (MSG)
            {
                case MSG_GET:
                    twRC = GPHOTO2_SetupFileXferGet (pOrigin, pData);
                    break;
                case MSG_GETDEFAULT:
                    twRC = GPHOTO2_SetupFileXferGetDefault (pOrigin, pData);
                    break;
                case MSG_RESET:
                    twRC = GPHOTO2_SetupFileXferReset (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_SetupFileXferSet (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    break;
            }
            break;

        /*case DAT_SETUPFILEXFER2:
            switch (MSG)
            {
                case MSG_GET:
                    twRC = GPHOTO2_SetupFileXfer2Get (pOrigin, pData);
                    break;
                case MSG_GETDEFAULT:
                    twRC = GPHOTO2_SetupFileXfer2GetDefault (pOrigin, pData);
                    break;
                case MSG_RESET:
                    twRC = GPHOTO2_SetupFileXfer2Reset (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_SetupFileXfer2Set (pOrigin, pData);
                    break;
            }
            break;*/
        case DAT_SETUPMEMXFER:
            if (MSG == MSG_GET)
                twRC = GPHOTO2_SetupMemXferGet (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_STATUS:
            if (MSG == MSG_GET)
                twRC = GPHOTO2_GetDSStatus (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_USERINTERFACE:
            switch (MSG)
            {
                case MSG_DISABLEDS:
                    twRC = GPHOTO2_DisableDSUserInterface (pOrigin, pData);
                    break;
                case MSG_ENABLEDS:
                    twRC = GPHOTO2_EnableDSUserInterface (pOrigin, pData);
                    break;
                case MSG_ENABLEDSUIONLY:
                    twRC = GPHOTO2_EnableDSUIOnly (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    break;
            }
            break;

        case DAT_XFERGROUP:
            switch (MSG)
            {
                case MSG_GET:
                    twRC = GPHOTO2_XferGroupGet (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_XferGroupSet (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    break;
            }
            break;

        default:
	    FIXME("code unknown: %d\n", DAT);
            twRC = TWRC_FAILURE;
            break;
    }

    return twRC;
}


840
static TW_UINT16 GPHOTO2_ImageGroupHandler (
841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010
           pTW_IDENTITY pOrigin,
           TW_UINT16    DAT,
           TW_UINT16    MSG,
           TW_MEMREF    pData)
{
    TW_UINT16 twRC = TWRC_SUCCESS;

    switch (DAT)
    {
        case DAT_CIECOLOR:
            if (MSG == MSG_GET)
                twRC = GPHOTO2_CIEColorGet (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_EXTIMAGEINFO:
            if (MSG == MSG_GET)
                twRC = GPHOTO2_ExtImageInfoGet (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_GRAYRESPONSE:
            switch (MSG)
            {
                case MSG_RESET:
                    twRC = GPHOTO2_GrayResponseReset (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_GrayResponseSet (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    activeDS.twCC = TWCC_BADPROTOCOL;
                    FIXME("unrecognized operation triplet\n");
                    break;
            }
            break;
        case DAT_IMAGEFILEXFER:
            if (MSG == MSG_GET)
                twRC = GPHOTO2_ImageFileXferGet (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_IMAGEINFO:
            if (MSG == MSG_GET)
                twRC = GPHOTO2_ImageInfoGet (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_IMAGELAYOUT:
            switch (MSG)
            {
                case MSG_GET:
                    twRC = GPHOTO2_ImageLayoutGet (pOrigin, pData);
                    break;
                case MSG_GETDEFAULT:
                    twRC = GPHOTO2_ImageLayoutGetDefault (pOrigin, pData);
                    break;
                case MSG_RESET:
                    twRC = GPHOTO2_ImageLayoutReset (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_ImageLayoutSet (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    activeDS.twCC = TWCC_BADPROTOCOL;
                    ERR("unrecognized operation triplet\n");
                    break;
            }
            break;

        case DAT_IMAGEMEMXFER:
            if (MSG == MSG_GET)
                twRC = GPHOTO2_ImageMemXferGet (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_IMAGENATIVEXFER:
            if (MSG == MSG_GET)
                twRC = GPHOTO2_ImageNativeXferGet (pOrigin, pData);
            else
                twRC = TWRC_FAILURE;
            break;

        case DAT_JPEGCOMPRESSION:
            switch (MSG)
            {
                case MSG_GET:
                    twRC = GPHOTO2_JPEGCompressionGet (pOrigin, pData);
                    break;
                case MSG_GETDEFAULT:
                    twRC = GPHOTO2_JPEGCompressionGetDefault (pOrigin, pData);
                    break;
                case MSG_RESET:
                    twRC = GPHOTO2_JPEGCompressionReset (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_JPEGCompressionSet (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    activeDS.twCC = TWCC_BADPROTOCOL;
                    WARN("unrecognized operation triplet\n");
                    break;
            }
            break;

        case DAT_PALETTE8:
            switch (MSG)
            {
                case MSG_GET:
                    twRC = GPHOTO2_Palette8Get (pOrigin, pData);
                    break;
                case MSG_GETDEFAULT:
                    twRC = GPHOTO2_Palette8GetDefault (pOrigin, pData);
                    break;
                case MSG_RESET:
                    twRC = GPHOTO2_Palette8Reset (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_Palette8Set (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    activeDS.twCC = TWCC_BADPROTOCOL;
                    WARN("unrecognized operation triplet\n");
            }
            break;

        case DAT_RGBRESPONSE:
            switch (MSG)
            {
                case MSG_RESET:
                    twRC = GPHOTO2_RGBResponseReset (pOrigin, pData);
                    break;
                case MSG_SET:
                    twRC = GPHOTO2_RGBResponseSet (pOrigin, pData);
                    break;
                default:
                    twRC = TWRC_FAILURE;
                    activeDS.twCC = TWCC_BADPROTOCOL;
                    WARN("unrecognized operation triplet\n");
                    break;
            }
            break;

        default:
            twRC = TWRC_FAILURE;
            activeDS.twCC = TWCC_BADPROTOCOL;
            FIXME("unrecognized DG type %d\n", DAT);
    }
    return twRC;
}

/* Main entry point for the TWAIN library */
TW_UINT16 WINAPI
DS_Entry ( pTW_IDENTITY pOrigin,
           TW_UINT32    DG,
           TW_UINT16    DAT,
           TW_UINT16    MSG,
           TW_MEMREF    pData)
{
    TW_UINT16 twRC = TWRC_SUCCESS;  /* Return Code */

1011
    TRACE("(DG=%d DAT=%d MSG=%d)\n", DG, DAT, MSG);
1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037

    switch (DG)
    {
        case DG_CONTROL:
            twRC = GPHOTO2_SourceControlHandler (pOrigin,DAT,MSG,pData);
            break;
        case DG_IMAGE:
            twRC = GPHOTO2_ImageGroupHandler (pOrigin,DAT,MSG,pData);
            break;
        case DG_AUDIO:
            FIXME("The audio group of entry codes is not implemented.\n");
        default:
            activeDS.twCC = TWCC_BADPROTOCOL;
            twRC = TWRC_FAILURE;
    }

    return twRC;
}

#ifdef HAVE_GPHOTO2
static GPPortInfoList *port_list;
static int curcamera;
static CameraList *detected_cameras;
static CameraAbilitiesList *abilities_list;

static TW_UINT16
1038
gphoto2_auto_detect(void) {
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    int result, count;

    if (detected_cameras && (gp_list_count (detected_cameras) == 0)) {
	/* Reload if previously no cameras, we might detect new ones. */
	TRACE("Reloading portlist trying to detect cameras.\n");
	if (port_list) {
	    gp_port_info_list_free (port_list);
	    port_list = NULL;
	}
    }
    if (!port_list) {
	TRACE("Auto detecting gphoto cameras.\n");
	TRACE("Loading ports...\n");
	if (gp_port_info_list_new (&port_list) < GP_OK)
	    return TWRC_FAILURE;
	result = gp_port_info_list_load (port_list);
	if (result < 0) {
	    gp_port_info_list_free (port_list);
	    return TWRC_FAILURE;
	}
	count = gp_port_info_list_count (port_list);
	if (count <= 0)
	    return TWRC_FAILURE;
	if (gp_list_new (&detected_cameras) < GP_OK)
	    return TWRC_FAILURE;
	if (!abilities_list) { /* Load only once per program start */
	    gp_abilities_list_new (&abilities_list);
	    TRACE("Loading cameras...\n");
	    gp_abilities_list_load (abilities_list, NULL);
	}
	TRACE("Detecting cameras...\n");
	gp_abilities_list_detect (abilities_list, port_list, detected_cameras, NULL);
        curcamera = 0;
        TRACE("%d cameras detected\n", gp_list_count(detected_cameras));
    }
    return TWRC_SUCCESS;
}

static TW_UINT16
GPHOTO2_GetIdentity( pTW_IDENTITY pOrigin, pTW_IDENTITY self) {
    int count;
    const char *cname, *pname;

    if (TWRC_SUCCESS != gphoto2_auto_detect())
	return TWRC_FAILURE;

    count = gp_list_count (detected_cameras);
    if (count < GP_OK) {
	gp_list_free (detected_cameras);
	return TWRC_FAILURE;
    }
    TRACE("%d cameras detected.\n", count);
    self->ProtocolMajor = TWON_PROTOCOLMAJOR;
    self->ProtocolMinor = TWON_PROTOCOLMINOR;
    lstrcpynA (self->Manufacturer, "The Wine Team", sizeof(self->Manufacturer) - 1);
    lstrcpynA (self->ProductFamily, "GPhoto2 Camera", sizeof(self->ProductFamily) - 1);

    if (!count) { /* No camera detected. But we need to return an IDENTITY anyway. */
	lstrcpynA (self->ProductName, "GPhoto2 Camera", sizeof(self->ProductName) - 1);
	return TWRC_SUCCESS;
    }
    gp_list_get_name  (detected_cameras, curcamera, &cname);
    gp_list_get_value (detected_cameras, curcamera, &pname);
    if (count == 1) /* Normal case, only one camera. */
	snprintf (self->ProductName, sizeof(self->ProductName), "%s", cname);
    else
	snprintf (self->ProductName, sizeof(self->ProductName), "%s@%s", cname, pname);
    curcamera = (curcamera+1) % count;
    return TWRC_SUCCESS;
}

static TW_UINT16
GPHOTO2_OpenDS( pTW_IDENTITY pOrigin, pTW_IDENTITY self) {
    int ret, m, p, count, i;
    CameraAbilities a;
    GPPortInfo info;
    const char	*model, *port;

    if (TWRC_SUCCESS != gphoto2_auto_detect())
	return TWRC_FAILURE;

    if (lstrcmpA(self->ProductFamily,"GPhoto2 Camera")) {
	FIXME("identity passed is not a gphoto camera, but %s!?!\n", self->ProductFamily);
	return TWRC_FAILURE;
    }
    count = gp_list_count (detected_cameras);
    if (!count) {
	ERR("No camera found by autodetection. Returning failure.\n");
	return TWRC_FAILURE;
    }

    if (!lstrcmpA (self->ProductName, "GPhoto2 Camera")) {
	TRACE("Potential undetected camera. Just using the first autodetected one.\n");
	i = 0;
    } else {
	for (i=0;i<count;i++) {
	    const char *cname, *pname;
	    TW_STR32	name;

	    gp_list_get_name  (detected_cameras, i, &cname);
	    gp_list_get_value (detected_cameras, i, &pname);
	    if (!lstrcmpA(self->ProductName,cname))
		break;
	    snprintf(name, sizeof(name), "%s", cname);
	    if (!lstrcmpA(self->ProductName,name))
		break;
	    snprintf(name, sizeof(name), "%s@%s", cname, pname);
	    if (!lstrcmpA(self->ProductName,name))
		break;
        }
        if (i == count) {
	    TRACE("Camera %s not found in autodetected list. Using first entry.\n", self->ProductName);
	    i=0;
        }
    }
    gp_list_get_name  (detected_cameras, i, &model);
    gp_list_get_value  (detected_cameras, i, &port);
    TRACE("model %s, port %s\n", model, port);
    ret = gp_camera_new (&activeDS.camera);
    if (ret < GP_OK) {
	ERR("gp_camera_new: %d\n", ret);
	return TWRC_FAILURE;
    }
    m = gp_abilities_list_lookup_model (abilities_list, model);
    if (m < GP_OK) {
	FIXME("Model %s not found, %d!\n", model, m);
	return TWRC_FAILURE;
    }
    ret = gp_abilities_list_get_abilities (abilities_list, m, &a);
    if (ret < GP_OK) {
	FIXME("gp_camera_list_get_abilities failed? %d\n", ret);
	return TWRC_FAILURE;
    }
    ret = gp_camera_set_abilities (activeDS.camera, a);
    if (ret < GP_OK) {
	FIXME("gp_camera_set_abilities failed? %d\n", ret);
	return TWRC_FAILURE;
    }

    p = gp_port_info_list_lookup_path (port_list, port);
    if (p < GP_OK) {
	FIXME("port %s not in portlist?\n", port);
	return TWRC_FAILURE;
    }
    ret = gp_port_info_list_get_info (port_list, p, &info);
    if (ret < GP_OK) {
	FIXME("could not get portinfo for port %s?\n", port);
	return TWRC_FAILURE;
    }
    ret = gp_camera_set_port_info (activeDS.camera, info);
    if (ret < GP_OK) {
	FIXME("could not set portinfo for port %s to camera?\n", port);
	return TWRC_FAILURE;
    }
    list_init( &(activeDS.files) );
    activeDS.currentState = 4;
    activeDS.twCC 		= TWRC_SUCCESS;
    activeDS.pixelflavor	= TWPF_CHOCOLATE;
    activeDS.pixeltype		= TWPT_RGB;
    activeDS.capXferMech	= TWSX_MEMORY;
    TRACE("OK!\n");
    return TWRC_SUCCESS;
}
#endif