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/* gtkam-exif.c
*
* Copyright 2001,2002 Lutz Mueller <lutz@users.sf.net>
* Copyright 2004 Andrew Burton <adburton@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkam-exif.h"
#include "i18n.h"
#include <string.h>
#include <gtk/gtkbutton.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkbox.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkstock.h>
#ifdef HAVE_LIBEXIF_GTK
# include <libexif-gtk/gtk-exif-browser.h>
#endif
#include "gtkam-cancel.h"
#include "gtkam-error.h"
struct _GtkamExifPrivate
{
int notused;
};
#define PARENT_TYPE GTK_TYPE_DIALOG
static GtkDialogClass *parent_class;
static void
gtkam_exif_destroy (GtkObject *object)
{
GtkamExif *exif = GTKAM_EXIF (object);
exif = NULL;
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static void
gtkam_exif_finalize (GObject *object)
{
GtkamExif *exif = GTKAM_EXIF (object);
g_free (exif->priv);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gtkam_exif_class_init (gpointer g_class, gpointer class_data)
{
GtkObjectClass *object_class;
GObjectClass *gobject_class;
object_class = GTK_OBJECT_CLASS (g_class);
object_class->destroy = gtkam_exif_destroy;
gobject_class = G_OBJECT_CLASS (g_class);
gobject_class->finalize = gtkam_exif_finalize;
parent_class = g_type_class_peek_parent (g_class);
}
static void
gtkam_exif_init (GTypeInstance *instance, gpointer g_class)
{
GtkamExif *exif = GTKAM_EXIF (instance);
exif->priv = g_new0 (GtkamExifPrivate, 1);
}
GType
gtkam_exif_get_type (void)
{
static GType t = 0;
GTypeInfo ti;
if (!t) {
memset (&ti, 0, sizeof (GTypeInfo));
ti.class_size = sizeof (GtkamExifClass);
ti.class_init = gtkam_exif_class_init;
ti.instance_size = sizeof (GtkamExif);
ti.instance_init = gtkam_exif_init;
t = g_type_register_static (PARENT_TYPE, "GtkamExif", &ti, 0);
}
return (t);
}
static void
on_exif_close_clicked (GtkButton *button, GtkamExif *exif)
{
gtk_object_destroy (GTK_OBJECT (exif));
}
GtkWidget *
gtkam_exif_new (GtkamCamera *camera, const gchar *folder, const gchar *file)
{
GtkamExif *exif;
GtkWidget *button;
#ifdef HAVE_LIBEXIF
GtkWidget *dialog, *browser, *c;
CameraFile *cfile;
int result;
const char *data;
long int size;
ExifData *edata;
#else
GtkWidget *label;
#endif
g_return_val_if_fail (GTKAM_IS_CAMERA (camera), NULL);
#ifdef HAVE_LIBEXIF
/* Get exif data */
gp_file_new (&cfile);
c = gtkam_cancel_new (
_("Getting EXIF information for file '%s' in "
"folder '%s'..."), file, folder);
gtk_widget_show (c);
result = gp_camera_file_get (camera->camera, folder, file,
GP_FILE_TYPE_EXIF, cfile, GTKAM_CANCEL (c)->context->context);
if (camera->multi)
gp_camera_exit (camera->camera, NULL);
switch (result) {
case GP_OK:
break;
case GP_ERROR_CANCEL:
gtk_object_destroy (GTK_OBJECT (c));
return (NULL);
default:
gp_file_unref (cfile);
dialog = gtkam_error_new (result, GTKAM_CANCEL (c)->context,
NULL, _("Could not get EXIF information for "
"'%s' in folder '%s'."), file, folder);
gtk_widget_show (dialog);
gtk_object_destroy (GTK_OBJECT (c));
return (NULL);
}
gtk_object_destroy (GTK_OBJECT (c));
gp_file_get_data_and_size (cfile, &data, &size);
edata = exif_data_new_from_data (data, size);
gp_file_unref (cfile);
if (!edata) {
dialog = gtkam_error_new (GP_ERROR_CORRUPTED_DATA, NULL,
NULL, _("Could not interpret EXIF data."));
gtk_widget_show (dialog);
return (NULL);
}
/*printf("data is %s\n", data); */
/* FIXME Hack, since library fails to return error code, instead
populating edata with 'Exif' */
if (g_ascii_strcasecmp (data, "Exif") == 0) {
dialog = gtkam_error_new (GP_ERROR_NOT_SUPPORTED, NULL,
NULL, _("The EXIF data could not be retrieved from the file."));
gtk_widget_show (dialog);
return (NULL);
}
#endif
exif = g_object_new (GTKAM_TYPE_EXIF, NULL);
#ifdef HAVE_LIBEXIF_GTK
browser = gtk_exif_browser_new ();
gtk_exif_browser_set_data (GTK_EXIF_BROWSER (browser), edata);
exif_data_unref (edata);
gtk_widget_show (browser);
gtk_container_set_border_width (GTK_CONTAINER (browser), 5);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (exif)->vbox), browser,
TRUE, TRUE, 0);
#else
label = gtk_label_new (_("Gtkam has been compiled without EXIF "
"support."));
gtk_widget_show (label);
gtk_container_set_border_width (GTK_CONTAINER (label), 5);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (exif)->vbox), label,
TRUE, TRUE, 0);
#endif
button = gtk_button_new_from_stock (GTK_STOCK_CLOSE);
gtk_widget_show (button);
g_signal_connect (GTK_OBJECT (button), "clicked",
GTK_SIGNAL_FUNC (on_exif_close_clicked), exif);
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (exif)->action_area),
button);
gtk_widget_grab_focus (button);
return (GTK_WIDGET (exif));
}
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