diff options
Diffstat (limited to 'modules/cal-config-weather/evolution-cal-config-weather.c')
| -rw-r--r-- | modules/cal-config-weather/evolution-cal-config-weather.c | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/modules/cal-config-weather/evolution-cal-config-weather.c b/modules/cal-config-weather/evolution-cal-config-weather.c new file mode 100644 index 0000000000..c6e8c47d08 --- /dev/null +++ b/modules/cal-config-weather/evolution-cal-config-weather.c @@ -0,0 +1,309 @@ +/* + * evolution-cal-config-weather.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + */ + +#include <config.h> +#include <glib/gi18n-lib.h> + +#include <libebackend/e-extension.h> + +#define GWEATHER_I_KNOW_THIS_IS_UNSTABLE +#include <libgweather/location-entry.h> +#undef GWEATHER_I_KNOW_THIS_IS_UNSTABLE + +#include <misc/e-source-config-backend.h> +#include <calendar/gui/e-cal-source-config.h> + +#include "e-source-weather.h" + +typedef ESourceConfigBackend ECalConfigWeather; +typedef ESourceConfigBackendClass ECalConfigWeatherClass; + +/* Module Entry Points */ +void e_module_load (GTypeModule *type_module); +void e_module_unload (GTypeModule *type_module); + +typedef struct _Context Context; + +struct _Context { + GtkWidget *location_entry; + GtkWidget *units_combo; +}; + +/* Forward Declarations */ +GType e_cal_config_weather_get_type (void); + +G_DEFINE_DYNAMIC_TYPE ( + ECalConfigWeather, + e_cal_config_weather, + E_TYPE_SOURCE_CONFIG_BACKEND) + +static void +cal_config_weather_context_free (Context *context) +{ + g_object_unref (context->location_entry); + g_object_unref (context->units_combo); + + g_slice_free (Context, context); +} + +static gboolean +cal_config_weather_location_to_string (GBinding *binding, + const GValue *source_value, + GValue *target_value, + gpointer user_data) +{ + GWeatherLocation *location; + gchar *string = NULL; + + location = g_value_get_pointer (source_value); + + if (location != NULL) { + const gchar *code; + gchar *city_name; + + code = gweather_location_get_code (location); + city_name = gweather_location_get_city_name (location); + string = g_strdup_printf ("%s/%s", code, city_name); + g_free (city_name); + } + + g_value_take_string (target_value, string); + + return TRUE; +} + +/* XXX This is a private libgweather constant. + * The value may change at any time. */ +#define GWEATHER_LOCATION_ENTRY_COL_LOCATION 1 + +static gboolean +cal_config_weather_string_to_location (GBinding *binding, + const GValue *source_value, + GValue *target_value, + gpointer user_data) +{ + GObject *target; + GWeatherLocation *match = NULL; + GtkEntryCompletion *completion; + GtkTreeModel *model; + GtkTreeIter iter; + const gchar *string; + const gchar *city_name; + const gchar *code; + gchar **tokens; + + /* XXX This is a bit convoluted because libgweather lacks a + * GWeatherLocation lookup function. The algorithm is + * copied from gweather_location_entry_set_city(). */ + + string = g_value_get_string (source_value); + + if (string == NULL) + return FALSE; + + /* String is: STATION-CODE '/' CITY-NAME */ + tokens = g_strsplit (string, "/", 2); + + if (g_strv_length (tokens) != 2) { + g_strfreev (tokens); + return FALSE; + } + + code = tokens[0]; + city_name = tokens[1]; + + target = g_binding_get_target (binding); + completion = gtk_entry_get_completion (GTK_ENTRY (target)); + model = gtk_entry_completion_get_model (completion); + + gtk_tree_model_get_iter_first (model, &iter); + + do { + GWeatherLocation *location; + const gchar *cmp_code; + gchar *cmp_city_name; + + gtk_tree_model_get ( + model, &iter, + GWEATHER_LOCATION_ENTRY_COL_LOCATION, + &location, -1); + + /* Does the station code match? */ + cmp_code = gweather_location_get_code (location); + if (g_strcmp0 (code, cmp_code) != 0) + continue; + + /* Does the city name match? */ + cmp_city_name = gweather_location_get_city_name (location); + if (g_strcmp0 (city_name, cmp_city_name) != 0) { + g_free (cmp_city_name); + continue; + } + g_free (cmp_city_name); + + /* We found a match! */ + match = location; + break; + + } while (gtk_tree_model_iter_next (model, &iter)); + + g_value_set_pointer (target_value, match); + + g_strfreev (tokens); + + return TRUE; +} + +static gboolean +cal_config_weather_allow_creation (ESourceConfigBackend *backend) +{ + ESourceConfig *config; + ECalSourceConfig *cal_config; + ECalClientSourceType source_type; + + /* No such thing as weather task lists or weather memo lists. */ + + config = e_source_config_backend_get_config (backend); + + cal_config = E_CAL_SOURCE_CONFIG (config); + source_type = e_cal_source_config_get_source_type (cal_config); + + return (source_type == E_CAL_CLIENT_SOURCE_TYPE_EVENTS); +} + +static void +cal_config_weather_insert_widgets (ESourceConfigBackend *backend, + ESource *scratch_source) +{ + ESourceConfig *config; + ESourceExtension *extension; + GWeatherLocation *world; + GtkWidget *widget; + Context *context; + const gchar *extension_name; + const gchar *uid; + + context = g_slice_new (Context); + uid = e_source_get_uid (scratch_source); + config = e_source_config_backend_get_config (backend); + + g_object_set_data_full ( + G_OBJECT (backend), uid, context, + (GDestroyNotify) cal_config_weather_context_free); + + world = gweather_location_new_world (TRUE); + + e_cal_source_config_add_offline_toggle ( + E_CAL_SOURCE_CONFIG (config), scratch_source); + + widget = gweather_location_entry_new (world); + e_source_config_insert_widget ( + config, scratch_source, _("Location:"), widget); + context->location_entry = g_object_ref (widget); + gtk_widget_show (widget); + + /* This must follow the order of ESourceWeatherUnits. */ + widget = gtk_combo_box_text_new (); + gtk_combo_box_text_append_text ( + GTK_COMBO_BOX_TEXT (widget), + _("Metric (Celsius, cm, etc)")); + gtk_combo_box_text_append_text ( + GTK_COMBO_BOX_TEXT (widget), + _("Imperial (Fahrenheit, inches, etc)")); + e_source_config_insert_widget ( + config, scratch_source, _("Units:"), widget); + context->units_combo = g_object_ref (widget); + gtk_widget_show (widget); + + e_source_config_add_refresh_interval (config, scratch_source); + + gweather_location_unref (world); + + extension_name = E_SOURCE_EXTENSION_WEATHER_BACKEND; + extension = e_source_get_extension (scratch_source, extension_name); + + g_object_bind_property_full ( + extension, "location", + context->location_entry, "location", + G_BINDING_BIDIRECTIONAL | + G_BINDING_SYNC_CREATE, + cal_config_weather_string_to_location, + cal_config_weather_location_to_string, + NULL, (GDestroyNotify) NULL); + + g_object_bind_property ( + extension, "units", + context->units_combo, "active", + G_BINDING_BIDIRECTIONAL | + G_BINDING_SYNC_CREATE); +} + +static gboolean +cal_config_weather_check_complete (ESourceConfigBackend *backend, + ESource *scratch_source) +{ + ESourceWeather *extension; + const gchar *extension_name; + const gchar *location; + + extension_name = E_SOURCE_EXTENSION_WEATHER_BACKEND; + extension = e_source_get_extension (scratch_source, extension_name); + + location = e_source_weather_get_location (extension); + + g_debug ("Location: [%s]", location); + + return (location != NULL) && (*location != '\0'); +} + +static void +e_cal_config_weather_class_init (ESourceConfigBackendClass *class) +{ + EExtensionClass *extension_class; + + extension_class = E_EXTENSION_CLASS (class); + extension_class->extensible_type = E_TYPE_CAL_SOURCE_CONFIG; + + class->parent_uid = "weather-stub"; + class->backend_name = "weather"; + class->allow_creation = cal_config_weather_allow_creation; + class->insert_widgets = cal_config_weather_insert_widgets; + class->check_complete = cal_config_weather_check_complete; +} + +static void +e_cal_config_weather_class_finalize (ESourceConfigBackendClass *class) +{ +} + +static void +e_cal_config_weather_init (ESourceConfigBackend *backend) +{ +} + +G_MODULE_EXPORT void +e_module_load (GTypeModule *type_module) +{ + e_source_weather_type_register (type_module); + e_cal_config_weather_register_type (type_module); +} + +G_MODULE_EXPORT void +e_module_unload (GTypeModule *type_module) +{ +} |