#include <dbus/dbus-glib.h>
#define MAX_FIELDS 50
+#define MAX_RECENT 5
#define CONFIG_GENERAL_GROUP "General"
#define CONFIG_BOOKMARK_GROUP "Bookmarks"
+#define CONFIG_RECENT_GROUP "Recent"
#define CONFIG_SEEN_CREDITS_KEY "seen_credits"
#define CONFIG_DIRECTORY "/home/user/.config/belltower"
#define CONFIG_FILENAME CONFIG_DIRECTORY "/belltower.ini"
+/**
+ * Somewhat arbitrary minimum number of belltowers in
+ * one country for the country to be considered to have
+ * "many" belltowers.
+ */
+#define MANY_BELLTOWERS 10
+
GtkWidget *window;
LocationGPSDevice *device;
GKeyFile *static_content;
gpointer data)
{
GHashTable *hash = (GHashTable *)data;
+ gpointer value;
if (details->serial==0)
return TRUE; /* header row */
if (!g_hash_table_lookup_extended (hash,
- details->fields[FieldCountry],
- NULL, NULL))
+ details->fields[FieldCountry],
+ NULL, &value))
{
g_hash_table_insert (hash,
g_strdup(details->fields[FieldCountry]),
- g_strdup (details->fields[FieldCountry]));
+ GINT_TO_POINTER (0));
+ }
+ else
+ {
+ g_hash_table_replace (hash,
+ g_strdup(details->fields[FieldCountry]),
+ GINT_TO_POINTER (GPOINTER_TO_INT (value)+1));
}
return FILTER_IGNORE;
}
}
+/**
+ * A filter which accepts towers based on whether they
+ * appear in a particular group in the config file.
+ *
+ * \param details the candidate tower
+ * \param data pointer to a char* which names the group
+ */
static FilterResult
-get_bookmarked_towers_cb (tower *details,
+get_group_of_towers_cb (tower *details,
gpointer data)
{
- if (g_key_file_get_boolean (config,
- CONFIG_BOOKMARK_GROUP,
- details->fields[FieldPrimaryKey],
- NULL))
+ if (g_key_file_has_key (config,
+ (char*) data,
+ details->fields[FieldPrimaryKey],
+ NULL))
{
return FILTER_ACCEPT;
}
}
}
+/**
+ * Removes the oldest entry from the [Recent] group in the config
+ * file until there are only five entries left. Does not save
+ * the file; you have to do that.
+ */
+static void
+remove_old_recent_entries (void)
+{
+ gint count;
+
+ do
+ {
+ gchar **towers;
+ gint oldest_date = 0;
+ gchar *oldest_tower = NULL;
+ gint i;
+
+ /* It is a bit inefficient to do this every
+ * time we go around the loop. However, it
+ * makes the code far simpler, and we almost
+ * never go around more than once.
+ */
+ towers = g_key_file_get_keys (config,
+ CONFIG_RECENT_GROUP,
+ &count,
+ NULL);
+
+ if (count <= MAX_RECENT)
+ /* everything's fine */
+ return;
+
+ for (i=0; i<count; i++)
+ {
+ gint date = g_key_file_get_integer (config,
+ CONFIG_RECENT_GROUP,
+ towers[i],
+ NULL);
+
+ if (date==0)
+ continue;
+
+ if (oldest_date==0 ||
+ date < oldest_date)
+ {
+ oldest_tower = towers[i];
+ oldest_date = date;
+ }
+ }
+
+ if (oldest_tower)
+ {
+ g_key_file_remove_key (config,
+ CONFIG_RECENT_GROUP,
+ oldest_tower,
+ NULL);
+ count --;
+ }
+ g_strfreev (towers);
+ }
+ while (count > MAX_RECENT);
+}
+
static FilterResult
single_tower_cb (tower *details,
gpointer data)
g_free (tower_displayed);
tower_displayed = g_strdup (details->fields[FieldPrimaryKey]);
+ g_key_file_set_integer (config,
+ CONFIG_RECENT_GROUP,
+ tower_displayed,
+ time (NULL));
+ remove_old_recent_entries ();
+ save_config ();
+
gtk_widget_show_all (GTK_WIDGET (tower_window));
return FILTER_STOP;
}
static void
+free_tower_list (GSList *list)
+{
+ GSList *cursor = list;
+
+ while (cursor)
+ {
+ found_tower_free ((FoundTower*) cursor->data);
+ cursor = cursor->next;
+ }
+
+ g_slist_free (list);
+}
+
+static void
show_towers_from_list (GSList *list)
{
GtkWidget *dialog;
"One tower found.");
show_tower (found->primarykey);
- /* FIXME: and free the list */
+ free_tower_list (list);
return;
}
show_tower (found->primarykey);
}
- /* FIXME: and free the list */
+ free_tower_list (list);
}
static gint strcmp_f (gconstpointer a,
gtk_widget_destroy (GTK_WIDGET (dialog));
}
+/**
+ * Maps a hash table from country names to counts of belltowers to a
+ * newly-created hash table mapping country names to display
+ * names, containing only those countries which have many
+ * (or few) belltowers.
+ *
+ * \param source the source table
+ * \param want_many true if you want countries with many belltowers;
+ * false if you want countries with few.
+ */
+static GHashTable*
+get_countries_with_many (GHashTable *source,
+ gboolean want_many)
+{
+ GHashTable *result = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ g_free,
+ NULL);
+ GList *countries = g_hash_table_get_keys (source);
+ GList *cursor = countries;
+
+ while (cursor)
+ {
+ gboolean has_many =
+ GPOINTER_TO_INT (g_hash_table_lookup (source,
+ cursor->data)) >= MANY_BELLTOWERS;
+
+ if (has_many == want_many)
+ {
+ g_hash_table_insert (result,
+ g_strdup (cursor->data),
+ g_strdup (cursor->data));
+ }
+
+ cursor = cursor->next;
+ }
+
+ g_list_free (countries);
+ return result;
+}
+
+#define COUNTRIES_WITH_MANY "Countries with many belltowers"
+#define COUNTRIES_WITH_FEW "Countries with few belltowers"
+
static void
-towers_by_area (void)
+towers_by_area_with_many (gboolean countries_with_many)
{
GtkWidget *dialog = hildon_picker_dialog_new (GTK_WINDOW (window));
GtkWidget *selector = hildon_touch_selector_new_text ();
- GHashTable *hash = g_hash_table_new_full (g_str_hash,
- g_str_equal,
- g_free,
- g_free);
+ GHashTable *countries_to_counts = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ g_free,
+ NULL);
+ GHashTable *country_names;
GSList *list = NULL, *cursor;
gchar *result = NULL;
- gtk_window_set_title (GTK_WINDOW (dialog), "Areas of the world");
+ gtk_window_set_title (GTK_WINDOW (dialog),
+ countries_with_many?
+ COUNTRIES_WITH_MANY : COUNTRIES_WITH_FEW);
- parse_dove (get_countries_cb, NULL, hash);
+ parse_dove (get_countries_cb, NULL, countries_to_counts);
- g_hash_table_foreach (hash,
+ country_names = get_countries_with_many (countries_to_counts,
+ countries_with_many);
+
+ g_hash_table_foreach (country_names,
put_areas_into_list,
&list);
cursor->data);
}
+ if (countries_with_many)
+ {
+ hildon_touch_selector_append_text (HILDON_TOUCH_SELECTOR (selector),
+ COUNTRIES_WITH_FEW);
+ }
+
hildon_picker_dialog_set_selector (HILDON_PICKER_DIALOG (dialog),
HILDON_TOUCH_SELECTOR (selector));
{
result = g_strdup (hildon_touch_selector_get_current_text (HILDON_TOUCH_SELECTOR (selector)));
}
- g_hash_table_unref (hash);
+
+ g_hash_table_unref (countries_to_counts);
+ g_hash_table_unref (country_names);
gtk_widget_destroy (GTK_WIDGET (dialog));
if (result)
{
- towers_by_subarea (result);
+ if (strcmp (result, COUNTRIES_WITH_FEW)==0)
+ towers_by_area_with_many (FALSE);
+ else
+ towers_by_subarea (result);
+
g_free (result);
}
}
+/**
+ * Shows all the towers in areas with many towers.
+ */
+static void
+towers_by_area (void)
+{
+ towers_by_area_with_many (TRUE);
+}
+
static void
show_bookmarks (void)
{
GSList *matches = NULL;
- parse_dove (get_bookmarked_towers_cb,
+ parse_dove (get_group_of_towers_cb,
&matches,
- NULL);
+ CONFIG_BOOKMARK_GROUP);
show_towers_from_list (matches);
}
static void
recent_towers (void)
{
- show_message ("This is not yet implemented.");
+ GSList *matches = NULL;
+
+ parse_dove (get_group_of_towers_cb,
+ &matches,
+ CONFIG_RECENT_GROUP);
+
+ show_towers_from_list (matches);
}
/**
projects / belltower / blobdiff