X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/a0fc9d29fbf0b65e6490e9f586e5a96ab0da7049..e29aad19b9c3a0e0686354e3896eda9254d0e06c:/src/googlesearch.c?ds=sidebyside diff --git a/src/googlesearch.c b/src/googlesearch.c index ce2e3a6e..3ed59698 100644 --- a/src/googlesearch.c +++ b/src/googlesearch.c @@ -1,7 +1,8 @@ /* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * - * Copyright (C) 2003-2005, Evan Battaglia + * Copyright (C) 2003-2005, Quy Tonthat + * Copyright (C) 2009, Guilhem Bonnefille * * 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 @@ -16,8 +17,6 @@ * 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 - * - * Created by Quy Tonthat */ #ifdef HAVE_CONFIG_H #include "config.h" @@ -33,85 +32,59 @@ #include "viking.h" #include "curl_download.h" -#define GOOGLE_SEARCH_URL_FMT "http://maps.google.com/maps?q=%s&output=js" -#define GOOGLE_SEARCH_PATTERN_1 "{center:{lat:" -#define GOOGLE_SEARCH_PATTERN_2 ",lng:" -#define GOOGLE_SEARCH_NOT_FOUND "not understand the location" - -static gchar *last_search_str = NULL; -static VikCoord *last_coord = NULL; -static gchar *last_successful_search_str = NULL; - -static DownloadOptions googlesearch_options = { "http://maps.google.com/", 0, a_check_map_file }; +#include "googlesearch.h" -gchar * a_googlesearch_get_search_string_for_this_place(VikWindow *vw) -{ - if (!last_coord) - return NULL; - - VikViewport *vvp = vik_window_viewport(vw); - const VikCoord *cur_center = vik_viewport_get_center(vvp); - if (vik_coord_equals(cur_center, last_coord)) { - return(last_successful_search_str); - } - else - return NULL; -} +/* Compatibility */ +#if ! GLIB_CHECK_VERSION(2,22,0) +#define g_mapped_file_unref g_mapped_file_free +#endif -static gboolean prompt_try_again(VikWindow *vw) -{ - GtkWidget *dialog = NULL; - gboolean ret = TRUE; +#define GOOGLE_GOTO_URL_FMT "http://maps.google.com/maps?q=%s&output=js" +#define GOOGLE_GOTO_PATTERN_1 "{center:{lat:" +#define GOOGLE_GOTO_PATTERN_2 ",lng:" +#define GOOGLE_GOTO_NOT_FOUND "not understand the location" - dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL ); - gtk_window_set_title(GTK_WINDOW(dialog), _("Search")); +static DownloadMapOptions googlesearch_options = { FALSE, FALSE, "http://maps.google.com/", 2, a_check_map_file, NULL, NULL }; - GtkWidget *search_label = gtk_label_new(_("I don't know that place. Do you want another search?")); - gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 ); - gtk_widget_show_all(dialog); +static void google_goto_tool_finalize ( GObject *gob ); - if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) - ret = FALSE; +static gchar *google_goto_tool_get_url_format ( VikGotoTool *self ); +static DownloadMapOptions *google_goto_tool_get_download_options ( VikGotoTool *self ); +static gboolean google_goto_tool_parse_file_for_latlon(VikGotoTool *self, gchar *filename, struct LatLon *ll); - gtk_widget_destroy(dialog); - return ret; -} +G_DEFINE_TYPE (GoogleGotoTool, google_goto_tool, VIK_GOTO_TOOL_TYPE) -static gchar * a_prompt_for_search_string(VikWindow *vw) +static void google_goto_tool_class_init ( GoogleGotoToolClass *klass ) { - GtkWidget *dialog = NULL; + GObjectClass *object_class; + VikGotoToolClass *parent_class; - dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL ); - gtk_window_set_title(GTK_WINDOW(dialog), _("Search")); + object_class = G_OBJECT_CLASS (klass); - GtkWidget *search_label = gtk_label_new(_("Enter address or place name:")); - GtkWidget *search_entry = gtk_entry_new(); - if (last_search_str) - gtk_entry_set_text(GTK_ENTRY(search_entry), last_search_str); + object_class->finalize = google_goto_tool_finalize; - gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 ); - gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_entry, FALSE, FALSE, 5 ); - gtk_widget_show_all(dialog); + parent_class = VIK_GOTO_TOOL_CLASS (klass); - if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) { - gtk_widget_destroy(dialog); - return NULL; - } - - gchar *search_str = g_strdup ( gtk_entry_get_text ( GTK_ENTRY(search_entry) ) ); + parent_class->get_url_format = google_goto_tool_get_url_format; + parent_class->get_download_options = google_goto_tool_get_download_options; + parent_class->parse_file_for_latlon = google_goto_tool_parse_file_for_latlon; +} - gtk_widget_destroy(dialog); +GoogleGotoTool *google_goto_tool_new () +{ + return GOOGLE_GOTO_TOOL ( g_object_new ( GOOGLE_GOTO_TOOL_TYPE, "label", "Google", NULL ) ); +} - if (search_str[0] != '\0') { - if (last_search_str) - g_free(last_search_str); - last_search_str = g_strdup(search_str); - } +static void google_goto_tool_init ( GoogleGotoTool *vlp ) +{ +} - return(search_str); /* search_str needs to be freed by caller */ +static void google_goto_tool_finalize ( GObject *gob ) +{ + G_OBJECT_GET_CLASS(gob)->finalize(gob); } -static gboolean parse_file_for_latlon(gchar *file_name, struct LatLon *ll) +static gboolean google_goto_tool_parse_file_for_latlon(VikGotoTool *self, gchar *file_name, struct LatLon *ll) { gchar *text, *pat; GMappedFile *mf; @@ -124,21 +97,21 @@ static gboolean parse_file_for_latlon(gchar *file_name, struct LatLon *ll) if ((mf = g_mapped_file_new(file_name, FALSE, NULL)) == NULL) { g_critical(_("couldn't map temp file")); - exit(1); + return FALSE; } len = g_mapped_file_get_length(mf); text = g_mapped_file_get_contents(mf); - if (g_strstr_len(text, len, GOOGLE_SEARCH_NOT_FOUND) != NULL) { + if (g_strstr_len(text, len, GOOGLE_GOTO_NOT_FOUND) != NULL) { found = FALSE; goto done; } - if ((pat = g_strstr_len(text, len, GOOGLE_SEARCH_PATTERN_1)) == NULL) { + if ((pat = g_strstr_len(text, len, GOOGLE_GOTO_PATTERN_1)) == NULL) { found = FALSE; goto done; } - pat += strlen(GOOGLE_SEARCH_PATTERN_1); + pat += strlen(GOOGLE_GOTO_PATTERN_1); s = lat_buf; if (*pat == '-') *s++ = *pat++; @@ -151,12 +124,12 @@ static gboolean parse_file_for_latlon(gchar *file_name, struct LatLon *ll) goto done; } - if (strncmp(pat, GOOGLE_SEARCH_PATTERN_2, strlen(GOOGLE_SEARCH_PATTERN_2))) { + if (strncmp(pat, GOOGLE_GOTO_PATTERN_2, strlen(GOOGLE_GOTO_PATTERN_2))) { found = FALSE; goto done; } - pat += strlen(GOOGLE_SEARCH_PATTERN_2); + pat += strlen(GOOGLE_GOTO_PATTERN_2); s = lon_buf; if (*pat == '-') @@ -174,105 +147,17 @@ static gboolean parse_file_for_latlon(gchar *file_name, struct LatLon *ll) ll->lon = g_ascii_strtod(lon_buf, NULL); done: - g_mapped_file_free(mf); + g_mapped_file_unref(mf); return (found); } -gchar *uri_escape(gchar *str) -{ - gchar *esc_str = g_malloc(3*strlen(str)); - gchar *dst = esc_str; - gchar *src; - - for (src = str; *src; src++) { - if (*src == ' ') - *dst++ = '+'; - else if (g_ascii_isalnum(*src)) - *dst++ = *src; - else { - g_sprintf(dst, "%%%02X", *src); - dst += 3; - } - } - - return(esc_str); -} - -static int google_search_get_coord(VikWindow *vw, VikViewport *vvp, gchar *srch_str, VikCoord *coord) +static gchar *google_goto_tool_get_url_format ( VikGotoTool *self ) { - FILE *tmp_file; - int tmp_fd; - gchar *tmpname; - gchar *uri; - gchar *escaped_srch_str; - int ret = 0; /* OK */ - struct LatLon ll; - - escaped_srch_str = uri_escape(srch_str); - - if ((tmp_fd = g_file_open_tmp ("vikgsearch.XXXXXX", &tmpname, NULL)) == -1) { - g_critical(_("couldn't open temp file")); - exit(1); - } - - tmp_file = fdopen(tmp_fd, "r+"); - //uri = g_strdup_printf(GOOGLE_SEARCH_URL_FMT, srch_str); - uri = g_strdup_printf(GOOGLE_SEARCH_URL_FMT, escaped_srch_str); - - /* TODO: curl may not be available */ - if (curl_download_uri(uri, tmp_file, &googlesearch_options)) { /* error */ - fclose(tmp_file); - tmp_file = NULL; - ret = -1; - goto done; - } - - fclose(tmp_file); - tmp_file = NULL; - if (!parse_file_for_latlon(tmpname, &ll)) { - ret = -1; - goto done; - } - - vik_coord_load_from_latlon ( coord, vik_viewport_get_coord_mode(vvp), &ll ); - - if (last_coord) - g_free(last_coord); - last_coord = g_malloc(sizeof(VikCoord)); - *last_coord = *coord; - if (last_successful_search_str) - g_free(last_successful_search_str); - last_successful_search_str = g_strdup(last_search_str); - -done: - g_free(escaped_srch_str); - g_free(uri); - g_remove(tmpname); - g_free(tmpname); - return ret; + return GOOGLE_GOTO_URL_FMT; } -void a_google_search(VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp) +DownloadMapOptions *google_goto_tool_get_download_options ( VikGotoTool *self ) { - VikCoord new_center; - gchar *s_str; - gboolean more = TRUE; - - do { - s_str = a_prompt_for_search_string(vw); - if ((!s_str) || (s_str[0] == 0)) { - more = FALSE; - } - - else if (!google_search_get_coord(vw, vvp, s_str, &new_center)) { - vik_viewport_set_center_coord(vvp, &new_center); - vik_layers_panel_emit_update(vlp); - more = FALSE; - } - else if (!prompt_try_again(vw)) - more = FALSE; - g_free(s_str); - } while (more); + return &googlesearch_options; } -