/*
* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
* Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.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, 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 <stdio.h>
#include <string.h>
#include <glib/gprintf.h>
#include <glib/gi18n.h>
#include "viking.h"
#include "babel.h"
#include "gpx.h"
#include "acquire.h"
/************************ FILTER LIST *******************/
// extern VikDataSourceInterface vik_datasource_gps_interface;
// extern VikDataSourceInterface vik_datasource_google_interface;
/*** Input is TRWLayer ***/
extern VikDataSourceInterface vik_datasource_bfilter_simplify_interface;
extern VikDataSourceInterface vik_datasource_bfilter_dup_interface;
/*** Input is a track and a TRWLayer ***/
extern VikDataSourceInterface vik_datasource_bfilter_polygon_interface;
extern VikDataSourceInterface vik_datasource_bfilter_exclude_polygon_interface;
/*** Input is a track ***/
const VikDataSourceInterface *filters[] = {
&vik_datasource_bfilter_simplify_interface,
&vik_datasource_bfilter_dup_interface,
&vik_datasource_bfilter_polygon_interface,
&vik_datasource_bfilter_exclude_polygon_interface,
};
const guint N_FILTERS = sizeof(filters) / sizeof(filters[0]);
VikTrack *filter_track = NULL;
gchar *filter_track_name = NULL;
/********************************************************/
/* passed along to worker thread */
typedef struct {
acq_dialog_widgets_t *w;
gchar *cmd;
gchar *extra;
} w_and_interface_t;
/*********************************************************
* Definitions and routines for acquiring data from Data Sources in general
*********************************************************/
static void progress_func ( BabelProgressCode c, gpointer data, acq_dialog_widgets_t *w )
{
gdk_threads_enter ();
if (!w->ok) {
if ( w->source_interface->cleanup_func )
w->source_interface->cleanup_func( w->user_data );
g_free ( w );
gdk_threads_leave();
g_thread_exit ( NULL );
}
gdk_threads_leave ();
if ( w->source_interface->progress_func )
w->source_interface->progress_func ( (gpointer) c, data, w );
}
/* this routine is the worker thread. there is only one simultaneous download allowed */
static void get_from_anything ( w_and_interface_t *wi )
{
gchar *cmd = wi->cmd;
gchar *extra = wi->extra;
gboolean result = TRUE;
VikTrwLayer *vtl = NULL;
gboolean creating_new_layer = TRUE;
acq_dialog_widgets_t *w = wi->w;
VikDataSourceInterface *source_interface = wi->w->source_interface;
g_free ( wi );
wi = NULL;
gdk_threads_enter();
if (source_interface->mode == VIK_DATASOURCE_ADDTOLAYER) {
VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp );
if ( IS_VIK_TRW_LAYER(current_selected) ) {
vtl = VIK_TRW_LAYER(current_selected);
creating_new_layer = FALSE;
}
}
if ( creating_new_layer ) {
vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) );
vik_layer_rename ( VIK_LAYER ( vtl ), _(source_interface->layer_title) );
gtk_label_set_text ( GTK_LABEL(w->status), _("Working...") );
}
gdk_threads_leave();
// TODO consider removing 'type' and make everything run via the specficied process function
switch ( source_interface->type ) {
case VIK_DATASOURCE_GPSBABEL_DIRECT:
result = a_babel_convert_from (vtl, cmd, extra, (BabelStatusFunc) progress_func, w);
break;
case VIK_DATASOURCE_URL:
result = a_babel_convert_from_url (vtl, cmd, extra, (BabelStatusFunc) progress_func, w);
break;
case VIK_DATASOURCE_SHELL_CMD:
result = a_babel_convert_from_shellcommand ( vtl, cmd, extra, (BabelStatusFunc) progress_func, w);
break;
case VIK_DATASOURCE_INTERNAL:
if ( source_interface->process_func )
result = source_interface->process_func ( vtl, cmd, extra, (BabelStatusFunc) progress_func, w );
break;
default:
g_critical("Houston, we've had a problem.");
}
g_free ( cmd );
g_free ( extra );
if (!result) {
gdk_threads_enter();
gtk_label_set_text ( GTK_LABEL(w->status), _("Error: acquisition failed.") );
if ( creating_new_layer )
g_object_unref ( G_OBJECT ( vtl ) );
gdk_threads_leave();
}
else {
gdk_threads_enter();
if (w->ok) {
gtk_label_set_text ( GTK_LABEL(w->status), _("Done.") );
if ( creating_new_layer ) {
/* Only create the layer if it actually contains anything useful */
if ( g_hash_table_size (vik_trw_layer_get_tracks(vtl)) ||
g_hash_table_size (vik_trw_layer_get_waypoints(vtl)) ) {
vik_layer_post_read ( VIK_LAYER(vtl), w->vvp, TRUE );
vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(w->vlp), VIK_LAYER(vtl));
}
else
gtk_label_set_text ( GTK_LABEL(w->status), _("No data.") );
}
/* View this data if available and is desired */
if ( vtl && source_interface->autoview ) {
vik_trw_layer_auto_set_view ( vtl, vik_layers_panel_get_viewport(w->vlp) );
vik_layers_panel_emit_update (w->vlp);
}
if ( source_interface->keep_dialog_open ) {
gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT, TRUE );
gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_REJECT, FALSE );
} else {
gtk_dialog_response ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT );
}
} else {
/* canceled */
if ( creating_new_layer )
g_object_unref(vtl);
}
}
if ( source_interface->cleanup_func )
source_interface->cleanup_func ( w->user_data );
if ( w->ok ) {
w->ok = FALSE;
} else {
g_free ( w );
}
gdk_threads_leave();
g_thread_exit ( NULL );
}
static gchar *write_tmp_trwlayer ( VikTrwLayer *vtl )
{
int fd_src;
gchar *name_src;
FILE *f;
g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
f = fdopen(fd_src, "w");
a_gpx_write_file(vtl, f);
fclose(f);
f = NULL;
return name_src;
}
/* TODO: write with name of old track */
static gchar *write_tmp_track ( VikTrack *track )
{
int fd_src;
gchar *name_src;
FILE *f;
g_assert ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0);
f = fdopen(fd_src, "w");
a_gpx_write_track_file("track", track, f); /* Thank you Guilhem! Just when I needed this function... -- Evan */
fclose(f);
f = NULL;
return name_src;
}
/* TODO: cleanup, getr rid of redundancy */
/* depending on type of filter, often only vtl or track will be given.
* the other can be NULL.
*/
static void acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface,
VikTrwLayer *vtl, VikTrack *track )
{
/* for manual dialogs */
GtkWidget *dialog = NULL;
GtkWidget *status;
gchar *cmd = NULL;
gchar *extra = NULL;
gchar *cmd_off = NULL;
gchar *extra_off = NULL;
acq_dialog_widgets_t *w;
gpointer user_data;
/* for UI builder */
gpointer pass_along_data;
VikLayerParamData *paramdatas = NULL;
w_and_interface_t *wi;
/*** INIT AND CHECK EXISTENCE ***/
if ( source_interface->init_func )
user_data = source_interface->init_func();
else
user_data = NULL;
pass_along_data = user_data;
if ( source_interface->check_existence_func ) {
gchar *error_str = source_interface->check_existence_func();
if ( error_str ) {
a_dialog_error_msg ( GTK_WINDOW(vw), error_str );
g_free ( error_str );
return;
}
}
/* BUILD UI & GET OPTIONS IF NECESSARY. */
/* POSSIBILITY 0: NO OPTIONS. DO NOTHING HERE. */
/* POSSIBILITY 1: ADD_SETUP_WIDGETS_FUNC */
if ( source_interface->add_setup_widgets_func ) {
dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
GtkWidget *response_w = NULL;
#if GTK_CHECK_VERSION (2, 20, 0)
response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
#endif
source_interface->add_setup_widgets_func(dialog, vvp, user_data);
gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
if ( response_w )
gtk_widget_grab_focus ( response_w );
if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) {
source_interface->cleanup_func(user_data);
gtk_widget_destroy(dialog);
return;
}
}
/* POSSIBILITY 2: UI BUILDER */
else if ( source_interface->params ) {
paramdatas = a_uibuilder_run_dialog ( source_interface->window_title, GTK_WINDOW(vw),
source_interface->params, source_interface->params_count,
source_interface->params_groups, source_interface->params_groups_count,
source_interface->params_defaults );
if ( paramdatas )
pass_along_data = paramdatas;
else
return; /* TODO: do we have to free anything here? */
}
/* CREATE INPUT DATA & GET COMMAND STRING */
if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER ) {
gchar *name_src = write_tmp_trwlayer ( vtl );
((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
( pass_along_data, &cmd, &extra, name_src );
g_free ( name_src );
/* TODO: delete the tmp file? or delete it only after we're done with it? */
} else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK ) {
gchar *name_src = write_tmp_trwlayer ( vtl );
gchar *name_src_track = write_tmp_track ( track );
((VikDataSourceGetCmdStringFuncWithInputInput) source_interface->get_cmd_string_func)
( pass_along_data, &cmd, &extra, name_src, name_src_track );
g_free ( name_src );
g_free ( name_src_track );
} else if ( source_interface->inputtype == VIK_DATASOURCE_INPUTTYPE_TRACK ) {
gchar *name_src_track = write_tmp_track ( track );
((VikDataSourceGetCmdStringFuncWithInput) source_interface->get_cmd_string_func)
( pass_along_data, &cmd, &extra, name_src_track );
g_free ( name_src_track );
} else if ( source_interface->get_cmd_string_func )
source_interface->get_cmd_string_func ( pass_along_data, &cmd, &extra );
/* Get data for Off command */
if ( source_interface->off_func ) {
source_interface->off_func ( pass_along_data, &cmd_off, &extra_off );
}
/* cleanup for option dialogs */
if ( source_interface->add_setup_widgets_func ) {
gtk_widget_destroy(dialog);
dialog = NULL;
} else if ( source_interface->params ) {
a_uibuilder_free_paramdatas ( paramdatas, source_interface->params, source_interface->params_count );
}
/*** LET'S DO IT! ***/
if ( ! cmd )
return;
w = g_malloc(sizeof(*w));
wi = g_malloc(sizeof(*wi));
wi->w = w;
wi->w->source_interface = source_interface;
wi->cmd = cmd;
wi->extra = extra; /* usually input data type (?) */
dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL );
gtk_dialog_set_response_sensitive ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT, FALSE );
gtk_window_set_title ( GTK_WINDOW(dialog), _(source_interface->window_title) );
w->dialog = dialog;
w->ok = TRUE;
status = gtk_label_new (_("Status: detecting gpsbabel"));
gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), status, FALSE, FALSE, 5 );
gtk_dialog_set_default_response ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT );
gtk_widget_show_all(status);
w->status = status;
w->vw = vw;
w->vlp = vlp;
w->vvp = vvp;
if ( source_interface->add_progress_widgets_func ) {
source_interface->add_progress_widgets_func ( dialog, user_data );
}
w->user_data = user_data;
g_thread_create((GThreadFunc)get_from_anything, wi, FALSE, NULL );
gtk_dialog_run ( GTK_DIALOG(dialog) );
if ( w->ok )
w->ok = FALSE; /* tell thread to stop. TODO: add mutex */
else {
if ( cmd_off ) {
/* Turn off */
a_babel_convert_from (NULL, cmd_off, extra_off, NULL, NULL);
}
g_free ( w ); /* thread has finished; free w */
}
gtk_widget_destroy ( dialog );
}
void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface ) {
acquire ( vw, vlp, vvp, source_interface, NULL, NULL );
}
static void acquire_trwlayer_callback ( GObject *menuitem, gpointer *pass_along )
{
VikDataSourceInterface *iface = g_object_get_data ( menuitem, "vik_acq_iface" );
VikWindow *vw = pass_along[0];
VikLayersPanel *vlp = pass_along[1];
VikViewport *vvp = pass_along[2];
VikTrwLayer *vtl = pass_along[3];
VikTrack *tr = pass_along[4];
acquire ( vw, vlp, vvp, iface, vtl, tr );
}
static GtkWidget *acquire_build_menu ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp,
VikTrwLayer *vtl, VikTrack *track, /* both passed to acquire, although for many filters only one ness */
const gchar *menu_title, vik_datasource_inputtype_t inputtype )
{
static gpointer pass_along[5];
GtkWidget *menu_item=NULL, *menu=NULL;
GtkWidget *item=NULL;
int i;
pass_along[0] = vw;
pass_along[1] = vlp;
pass_along[2] = vvp;
pass_along[3] = vtl;
pass_along[4] = track;
for ( i = 0; i < N_FILTERS; i++ ) {
if ( filters[i]->inputtype == inputtype ) {
if ( ! menu_item ) { /* do this just once, but return NULL if no filters */
menu = gtk_menu_new();
menu_item = gtk_menu_item_new_with_mnemonic ( menu_title );
gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), menu );
}
item = gtk_menu_item_new_with_label ( filters[i]->window_title );
g_object_set_data ( G_OBJECT(item), "vik_acq_iface", (gpointer) filters[i] );
g_signal_connect ( G_OBJECT(item), "activate", G_CALLBACK(acquire_trwlayer_callback), pass_along );
gtk_menu_shell_append (GTK_MENU_SHELL (menu), item);
gtk_widget_show ( item );
}
}
return menu_item;
}
GtkWidget *a_acquire_trwlayer_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
{
return acquire_build_menu ( vw, vlp, vvp, vtl, NULL, "_Filter", VIK_DATASOURCE_INPUTTYPE_TRWLAYER );
}
GtkWidget *a_acquire_trwlayer_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl)
{
if ( filter_track == NULL )
return NULL;
else {
gchar *menu_title = g_strdup_printf ( "Filter with %s", filter_track_name );
GtkWidget *rv = acquire_build_menu ( vw, vlp, vvp, vtl, filter_track,
menu_title, VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK );
g_free ( menu_title );
return rv;
}
}
GtkWidget *a_acquire_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrack *tr)
{
return acquire_build_menu ( vw, vlp, vvp, NULL, tr, "Filter", VIK_DATASOURCE_INPUTTYPE_TRACK );
}
void a_acquire_set_filter_track ( VikTrack *tr, const gchar *name )
{
if ( filter_track )
vik_track_free ( filter_track );
if ( filter_track_name )
g_free ( filter_track_name );
filter_track = tr;
vik_track_ref ( tr );
filter_track_name = g_strdup(name);
}