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/* Statusbar Date -- Shows the EXIF date in EOM's statusbar
*
* Copyright (C) 2008 The Free Software Foundation
*
* Author: Claudio Saavedra <csaavedra@gnome.org>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "eom-statusbar-date-plugin.h"
#include <gmodule.h>
#include <glib/gi18n-lib.h>
#include <eom-debug.h>
#include <eom-image.h>
#include <eom-thumb-view.h>
#include <eom-window.h>
#include <eom-exif-util.h>
#define WINDOW_DATA_KEY "EomStatusbarDateWindowData"
EOM_PLUGIN_REGISTER_TYPE (EomStatusbarDatePlugin, eom_statusbar_date_plugin)
typedef struct {
GtkWidget* statusbar_date;
gulong signal_id;
} WindowData;
static void
free_window_data (WindowData *data)
{
g_return_if_fail (data != NULL);
eom_debug (DEBUG_PLUGINS);
g_free (data);
}
static void
statusbar_set_date (GtkStatusbar *statusbar,
EomThumbView *view)
{
EomImage *image;
gchar *date = NULL;
gchar time_buffer[32];
ExifData *exif_data;
if (eom_thumb_view_get_n_selected (view) == 0)
{
return;
}
image = eom_thumb_view_get_first_selected_image (view);
gtk_statusbar_pop (statusbar, 0);
if (!eom_image_has_data (image, EOM_IMAGE_DATA_EXIF))
{
if (!eom_image_load (image, EOM_IMAGE_DATA_EXIF, NULL, NULL))
{
gtk_widget_hide (GTK_WIDGET (statusbar));
}
}
exif_data = eom_image_get_exif_info (image);
if (exif_data)
{
date = eom_exif_util_format_date (eom_exif_data_get_value (exif_data, EXIF_TAG_DATE_TIME_ORIGINAL, time_buffer, 32));
eom_exif_data_free (exif_data);
}
if (date)
{
gtk_statusbar_push (statusbar, 0, date);
gtk_widget_show (GTK_WIDGET (statusbar));
g_free (date);
}
else
{
gtk_widget_hide (GTK_WIDGET (statusbar));
}
}
static void
selection_changed_cb (EomThumbView *view,
WindowData *data)
{
statusbar_set_date (GTK_STATUSBAR (data->statusbar_date), view);
}
static void
eom_statusbar_date_plugin_init (EomStatusbarDatePlugin *plugin)
{
eom_debug_message (DEBUG_PLUGINS, "EomStatusbarDatePlugin initializing");
}
static void
eom_statusbar_date_plugin_finalize (GObject *object)
{
eom_debug_message (DEBUG_PLUGINS, "EomStatusbarDatePlugin finalizing");
G_OBJECT_CLASS (eom_statusbar_date_plugin_parent_class)->finalize (object);
}
static void
impl_activate (EomPlugin *plugin,
EomWindow *window)
{
GtkWidget *statusbar = eom_window_get_statusbar (window);
GtkWidget *thumbview = eom_window_get_thumb_view (window);
WindowData *data;
eom_debug (DEBUG_PLUGINS);
data = g_new (WindowData, 1);
data->statusbar_date = gtk_statusbar_new ();
gtk_widget_set_size_request (data->statusbar_date, 200, 10);
gtk_widget_set_margin_top (GTK_WIDGET (data->statusbar_date), 0);
gtk_widget_set_margin_bottom (GTK_WIDGET (data->statusbar_date), 0);
gtk_box_pack_end (GTK_BOX (statusbar), data->statusbar_date, FALSE, FALSE, 0);
data->signal_id = g_signal_connect_after (G_OBJECT (thumbview), "selection_changed",
G_CALLBACK (selection_changed_cb), data);
statusbar_set_date (GTK_STATUSBAR (data->statusbar_date), EOM_THUMB_VIEW (eom_window_get_thumb_view (window)));
g_object_set_data_full (G_OBJECT (window), WINDOW_DATA_KEY, data, (GDestroyNotify) free_window_data);
}
static void
impl_deactivate (EomPlugin *plugin,
EomWindow *window)
{
GtkWidget *statusbar = eom_window_get_statusbar (window);
GtkWidget *view = eom_window_get_thumb_view (window);
WindowData *data;
data = (WindowData *) g_object_get_data (G_OBJECT (window), WINDOW_DATA_KEY);
g_signal_handler_disconnect (view, data->signal_id);
gtk_container_remove (GTK_CONTAINER (statusbar), data->statusbar_date);
g_object_set_data (G_OBJECT(window), WINDOW_DATA_KEY, NULL);
}
static void
impl_update_ui (EomPlugin *plugin,
EomWindow *window)
{
/* nothing */
}
static void
eom_statusbar_date_plugin_class_init (EomStatusbarDatePluginClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
EomPluginClass *plugin_class = EOM_PLUGIN_CLASS (klass);
object_class->finalize = eom_statusbar_date_plugin_finalize;
plugin_class->activate = impl_activate;
plugin_class->deactivate = impl_deactivate;
plugin_class->update_ui = impl_update_ui;
}
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