[andy/viking.git] / src / datasource_geotag.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2012, Rob Norris <rw_norris@hotmail.com>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>

#include <glib/gprintf.h>
#include <glib/gi18n.h>

#include <gtk/gtk.h>

#include "viking.h"
#include "acquire.h"
#include "geotag_exif.h"

typedef struct {
	GtkWidget *files;
	GSList *filelist;  // Files selected
} datasource_geotag_user_data_t;

/* The last used directory */
static gchar *last_folder_uri = NULL;

static gpointer datasource_geotag_init( );
static void datasource_geotag_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
static void datasource_geotag_get_cmd_string ( gpointer user_data, gchar **babelargs_or_shellcmd, gchar **inputfile_or_inputtype, gpointer not_used );
static gboolean datasource_geotag_process ( VikTrwLayer *vtl, const gchar *cmd, const gchar *extra, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw, gpointer not_used );
static void datasource_geotag_cleanup ( gpointer user_data );

VikDataSourceInterface vik_datasource_geotag_interface = {
  N_("Create Waypoints from Geotagged Images"),
  N_("Geotagged Images"),
  VIK_DATASOURCE_ADDTOLAYER,
  VIK_DATASOURCE_INPUTTYPE_NONE,
  TRUE,
  FALSE, // We should be able to see the data on the screen so no point in keeping the dialog open
  TRUE,
  (VikDataSourceInitFunc)		        datasource_geotag_init,
  (VikDataSourceCheckExistenceFunc)	    NULL,
  (VikDataSourceAddSetupWidgetsFunc)    datasource_geotag_add_setup_widgets,
  (VikDataSourceGetCmdStringFunc)	    datasource_geotag_get_cmd_string,
  (VikDataSourceProcessFunc)		    datasource_geotag_process,
  (VikDataSourceProgressFunc)		    NULL,
  (VikDataSourceAddProgressWidgetsFunc)	NULL,
  (VikDataSourceCleanupFunc)		    datasource_geotag_cleanup,
  (VikDataSourceOffFunc)                NULL,

  NULL,
  0,
  NULL,
  NULL,
  0
};

/* See VikDataSourceInterface */
static gpointer datasource_geotag_init ( )
{
	datasource_geotag_user_data_t *user_data = g_malloc(sizeof(datasource_geotag_user_data_t));
	user_data->filelist = NULL;
	return user_data;
}

/* See VikDataSourceInterface */
static void datasource_geotag_add_setup_widgets ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data )
{
	datasource_geotag_user_data_t *userdata = (datasource_geotag_user_data_t *)user_data;

	/* The files selector */
	userdata->files = gtk_file_chooser_widget_new ( GTK_FILE_CHOOSER_ACTION_OPEN );

	// try to make it a nice size - otherwise seems to default to something impractically small
	gtk_window_set_default_size ( GTK_WINDOW (dialog) , 600, 300 );

	if ( last_folder_uri )
		gtk_file_chooser_set_current_folder_uri ( GTK_FILE_CHOOSER(userdata->files), last_folder_uri );

	GtkFileChooser *chooser = GTK_FILE_CHOOSER ( userdata->files );

	/* Add filters */
	GtkFileFilter *filter;
	filter = gtk_file_filter_new ();
	gtk_file_filter_set_name ( filter, _("All") );
	gtk_file_filter_add_pattern ( filter, "*" );
	gtk_file_chooser_add_filter ( chooser, filter );

	filter = gtk_file_filter_new ();
	gtk_file_filter_set_name ( filter, _("JPG") );
	gtk_file_filter_add_mime_type ( filter, "image/jpeg");
	gtk_file_chooser_add_filter ( chooser, filter );

	// Default to jpgs
	gtk_file_chooser_set_filter ( chooser, filter );

	// Allow selecting more than one
	gtk_file_chooser_set_select_multiple ( chooser, TRUE );

	// Could add code to setup a default symbol (see dialog.c for symbol usage)
	//  Store in user_data type and then apply when creating the waypoints
	//  However not much point since these will have images associated with them!

	/* Packing all widgets */
	gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), userdata->files, TRUE, TRUE, 0 );

	gtk_widget_show_all ( dialog );
}

static void datasource_geotag_get_cmd_string ( gpointer user_data, gchar **babelargs_or_shellcmd, gchar **inputfile_or_inputtype, gpointer not_used )
{
	datasource_geotag_user_data_t *userdata = (datasource_geotag_user_data_t *)user_data;
	/* Retrieve the files selected */
	userdata->filelist = gtk_file_chooser_get_filenames ( GTK_FILE_CHOOSER(userdata->files) ); // Not reusable !!

	/* Memorize the directory for later use */
	g_free ( last_folder_uri );
	last_folder_uri = gtk_file_chooser_get_current_folder_uri ( GTK_FILE_CHOOSER(userdata->files) );
	last_folder_uri = g_strdup ( last_folder_uri );

	/* TODO Memorize the file filter for later use... */
	//GtkFileFilter *filter = gtk_file_chooser_get_filter ( GTK_FILE_CHOOSER(userdata->files) );
}


/**
 * Process selected files and try to generate waypoints storing them in the given vtl
 */
static gboolean datasource_geotag_process ( VikTrwLayer *vtl, const gchar *cmd, const gchar *extra, BabelStatusFunc status_cb, acq_dialog_widgets_t *adw, gpointer not_used )
{
	datasource_geotag_user_data_t *user_data = (datasource_geotag_user_data_t *)adw->user_data;

	// Process selected files
	// In prinicple this loading should be quite fast and so don't need to have any progress monitoring
	GSList *cur_file = user_data->filelist;
	while ( cur_file ) {
		gchar *filename = cur_file->data;
		gchar *name;
		VikWaypoint *wp = a_geotag_create_waypoint_from_file ( filename, vik_viewport_get_coord_mode ( adw->vvp ), &name );
		if ( wp ) {
			// Create name if geotag method didn't return one
			if ( !name )
				name = g_strdup ( a_file_basename ( filename ) );
			vik_trw_layer_filein_add_waypoint ( vtl, name, wp );
			g_free ( name );
		}
		else {
			g_warning ( _("Unable to create waypoint from %s"), filename );
		}
		g_free ( filename );
		cur_file = g_slist_next ( cur_file );
	}

	/* Free memory */
	g_slist_free ( user_data->filelist );

	// No failure
	return TRUE;
}

/* See VikDataSourceInterface */
static void datasource_geotag_cleanup ( gpointer user_data )
{
	g_free ( user_data );
}
Commit	Line	Data
f75d0233 RN	1	/* -- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -- */
	2	/*
	3	* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
	4	*
8a783b6d	5	* Copyright (C) 2012, Rob Norris <rw_norris@hotmail.com>
f75d0233 RN	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	20	*
	21	*/
	22	#ifdef HAVE_CONFIG_H
	23	#include "config.h"
	24	#endif
	25	#include <string.h>
	26
	27	#include <glib/gprintf.h>
	28	#include <glib/gi18n.h>
	29
	30	#include <gtk/gtk.h>
	31
	32	#include "viking.h"
	33	#include "acquire.h"
	34	#include "geotag_exif.h"
	35
	36	typedef struct {
	37	GtkWidget *files;
f75d0233 RN	38	GSList *filelist; // Files selected
	39	} datasource_geotag_user_data_t;
	40
	41	/* The last used directory */
	42	static gchar *last_folder_uri = NULL;
	43
	44	static gpointer datasource_geotag_init( );
	45	static void datasource_geotag_add_setup_widgets ( GtkWidget dialog, VikViewport vvp, gpointer user_data );
ed691ed1 RN	46	static void datasource_geotag_get_cmd_string ( gpointer user_data, gchar babelargs_or_shellcmd, gchar inputfile_or_inputtype, gpointer not_used );
ed691ed1 RN	47	static gboolean datasource_geotag_process ( VikTrwLayer vtl, const gchar cmd, const gchar extra, BabelStatusFunc status_cb, acq_dialog_widgets_t adw, gpointer not_used );
f75d0233 RN	48	static void datasource_geotag_cleanup ( gpointer user_data );
	49
	50	VikDataSourceInterface vik_datasource_geotag_interface = {
	51	N_("Create Waypoints from Geotagged Images"),
	52	N_("Geotagged Images"),
f75d0233 RN	53	VIK_DATASOURCE_ADDTOLAYER,
	54	VIK_DATASOURCE_INPUTTYPE_NONE,
	55	TRUE,
8a783b6d	56	FALSE, // We should be able to see the data on the screen so no point in keeping the dialog open
b2aa700f	57	TRUE,
f75d0233 RN	58	(VikDataSourceInitFunc) datasource_geotag_init,
	59	(VikDataSourceCheckExistenceFunc) NULL,
	60	(VikDataSourceAddSetupWidgetsFunc) datasource_geotag_add_setup_widgets,
	61	(VikDataSourceGetCmdStringFunc) datasource_geotag_get_cmd_string,
	62	(VikDataSourceProcessFunc) datasource_geotag_process,
	63	(VikDataSourceProgressFunc) NULL,
	64	(VikDataSourceAddProgressWidgetsFunc) NULL,
	65	(VikDataSourceCleanupFunc) datasource_geotag_cleanup,
	66	(VikDataSourceOffFunc) NULL,
	67
	68	NULL,
	69	0,
	70	NULL,
	71	NULL,
	72	0
	73	};
	74
	75	/* See VikDataSourceInterface */
	76	static gpointer datasource_geotag_init ( )
	77	{
	78	datasource_geotag_user_data_t *user_data = g_malloc(sizeof(datasource_geotag_user_data_t));
	79	user_data->filelist = NULL;
	80	return user_data;
	81	}
	82
	83	/* See VikDataSourceInterface */
	84	static void datasource_geotag_add_setup_widgets ( GtkWidget dialog, VikViewport vvp, gpointer user_data )
	85	{
	86	datasource_geotag_user_data_t userdata = (datasource_geotag_user_data_t )user_data;
	87
f75d0233 RN	88	/* The files selector */
	89	userdata->files = gtk_file_chooser_widget_new ( GTK_FILE_CHOOSER_ACTION_OPEN );
	90
	91	// try to make it a nice size - otherwise seems to default to something impractically small
	92	gtk_window_set_default_size ( GTK_WINDOW (dialog) , 600, 300 );
	93
	94	if ( last_folder_uri )
	95	gtk_file_chooser_set_current_folder_uri ( GTK_FILE_CHOOSER(userdata->files), last_folder_uri );
	96
	97	GtkFileChooser *chooser = GTK_FILE_CHOOSER ( userdata->files );
	98
	99	/* Add filters */
	100	GtkFileFilter *filter;
	101	filter = gtk_file_filter_new ();
	102	gtk_file_filter_set_name ( filter, _("All") );
	103	gtk_file_filter_add_pattern ( filter, "*" );
	104	gtk_file_chooser_add_filter ( chooser, filter );
	105
	106	filter = gtk_file_filter_new ();
	107	gtk_file_filter_set_name ( filter, _("JPG") );
	108	gtk_file_filter_add_mime_type ( filter, "image/jpeg");
	109	gtk_file_chooser_add_filter ( chooser, filter );
	110
	111	// Default to jpgs
	112	gtk_file_chooser_set_filter ( chooser, filter );
	113
	114	// Allow selecting more than one
	115	gtk_file_chooser_set_select_multiple ( chooser, TRUE );
	116
	117	// Could add code to setup a default symbol (see dialog.c for symbol usage)
	118	// Store in user_data type and then apply when creating the waypoints
	119	// However not much point since these will have images associated with them!
	120
	121	/* Packing all widgets */
	122	gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), userdata->files, TRUE, TRUE, 0 );
	123
	124	gtk_widget_show_all ( dialog );
	125	}
	126
ed691ed1	127	static void datasource_geotag_get_cmd_string ( gpointer user_data, gchar babelargs_or_shellcmd, gchar inputfile_or_inputtype, gpointer not_used )
f75d0233 RN	128	{
	129	datasource_geotag_user_data_t userdata = (datasource_geotag_user_data_t )user_data;
	130	/* Retrieve the files selected */
	131	userdata->filelist = gtk_file_chooser_get_filenames ( GTK_FILE_CHOOSER(userdata->files) ); // Not reusable !!
	132
	133	/* Memorize the directory for later use */
	134	g_free ( last_folder_uri );
	135	last_folder_uri = gtk_file_chooser_get_current_folder_uri ( GTK_FILE_CHOOSER(userdata->files) );
	136	last_folder_uri = g_strdup ( last_folder_uri );
	137
	138	/* TODO Memorize the file filter for later use... */
	139	//GtkFileFilter *filter = gtk_file_chooser_get_filter ( GTK_FILE_CHOOSER(userdata->files) );
f75d0233 RN	140	}
	141
	142
	143	/**
	144	* Process selected files and try to generate waypoints storing them in the given vtl
	145	*/
ed691ed1	146	static gboolean datasource_geotag_process ( VikTrwLayer vtl, const gchar cmd, const gchar extra, BabelStatusFunc status_cb, acq_dialog_widgets_t adw, gpointer not_used )
f75d0233 RN	147	{
	148	datasource_geotag_user_data_t user_data = (datasource_geotag_user_data_t )adw->user_data;
	149
	150	// Process selected files
	151	// In prinicple this loading should be quite fast and so don't need to have any progress monitoring
	152	GSList *cur_file = user_data->filelist;
	153	while ( cur_file ) {
	154	gchar *filename = cur_file->data;
	155	gchar *name;
8a783b6d	156	VikWaypoint *wp = a_geotag_create_waypoint_from_file ( filename, vik_viewport_get_coord_mode ( adw->vvp ), &name );
f75d0233 RN	157	if ( wp ) {
	158	// Create name if geotag method didn't return one
	159	if ( !name )
	160	name = g_strdup ( a_file_basename ( filename ) );
	161	vik_trw_layer_filein_add_waypoint ( vtl, name, wp );
	162	g_free ( name );
	163	}
	164	else {
	165	g_warning ( _("Unable to create waypoint from %s"), filename );
	166	}
	167	g_free ( filename );
	168	cur_file = g_slist_next ( cur_file );
	169	}
	170
	171	/* Free memory */
	172	g_slist_free ( user_data->filelist );
	173
	174	// No failure
	175	return TRUE;
	176	}
	177
	178	/* See VikDataSourceInterface */
	179	static void datasource_geotag_cleanup ( gpointer user_data )
	180	{
	181	g_free ( user_data );
	182	}