weather: Rework weather management

This commit brings a few changes that I was too lazy to split in different commits: * Remove a few useless arguments in the GcalWeatherService API * Move the weather management code from GcalWindow to GcalWeatherSettings * A few style changes
2018-01-27 20:36:29 -02:00
parent ab20672aeb
commit 499db7bfd4
13 changed files with 568 additions and 392 deletions
@@ -0,0 +1,391 @@
+/* gcal-weather-settings.c
+ *
+ * Copyright © 2018 Georges Basile Stavracas Neto <georges.stavracas@gmail.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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gcal-manager.h"
+#include "gcal-utils.h"
+#include "gcal-weather-service.h"
+#include "gcal-weather-settings.h"
+
+struct _GcalWeatherSettings
+{
+  GtkBox              parent;
+
+  GtkSwitch          *show_weather_switch;
+  GtkSwitch          *weather_auto_location_switch;
+  GtkWidget          *weather_location_entry;
+
+  GcalManager        *manager;
+
+  GcalWeatherService *weather_service;
+};
+
+
+static void          on_weather_location_searchbox_changed_cb    (GWeatherLocationEntry *entry,
+                                                                  GcalWeatherSettings   *self);
+
+static void          on_show_weather_changed_cb                  (GtkSwitch           *wswitch,
+                                                                  GParamSpec          *pspec,
+                                                                  GcalWeatherSettings *self);
+
+static void          on_weather_auto_location_changed_cb         (GtkSwitch           *lswitch,
+                                                                  GParamSpec          *pspec,
+                                                                  GcalWeatherSettings *self);
+
+G_DEFINE_TYPE (GcalWeatherSettings, gcal_weather_settings, GTK_TYPE_BOX)
+
+enum
+{
+  PROP_0,
+  PROP_MANAGER,
+  PROP_WEATHER_SERVICE,
+  N_PROPS
+};
+
+static GParamSpec *properties [N_PROPS] = { NULL, };
+
+
+/*
+ * Auxiliary methods
+ */
+
+static void
+load_weather_settings (GcalWeatherSettings *self)
+{
+  g_autoptr (GVariant) location = NULL;
+  g_autoptr (GVariant) value = NULL;
+  g_autofree gchar *location_name = NULL;
+  GSettings *settings;
+  gboolean show_weather;
+  gboolean auto_location;
+
+  if (!self->manager)
+    return;
+
+  settings = gcal_manager_get_settings (self->manager);
+  value = g_settings_get_value (settings, "weather-settings");
+
+  g_variant_get (value, "(bbsmv)",
+                 &show_weather,
+                 &auto_location,
+                 &location_name,
+                 &location);
+
+  g_signal_handlers_block_by_func (self->show_weather_switch, on_show_weather_changed_cb, self);
+  g_signal_handlers_block_by_func (self->weather_auto_location_switch, on_weather_auto_location_changed_cb, self);
+  g_signal_handlers_block_by_func (self->weather_location_entry, on_weather_location_searchbox_changed_cb, self);
+
+  gtk_switch_set_active (self->show_weather_switch, show_weather);
+  gtk_switch_set_active (self->weather_auto_location_switch, auto_location);
+
+  if (!location && !auto_location)
+    {
+      GtkStyleContext *context;
+
+      context = gtk_widget_get_style_context (GTK_WIDGET (self->weather_location_entry));
+      gtk_entry_set_text (GTK_ENTRY (self->weather_location_entry), location_name);
+      gtk_style_context_add_class (context, "error");
+    }
+  else
+    {
+      g_autoptr (GWeatherLocation) weather_location;
+      GWeatherLocation *world;
+
+      world = gweather_location_get_world ();
+      weather_location = gweather_location_deserialize (world, location);
+
+      gweather_location_entry_set_location (GWEATHER_LOCATION_ENTRY (self->weather_location_entry), weather_location);
+    }
+
+  g_signal_handlers_unblock_by_func (self->show_weather_switch, on_show_weather_changed_cb, self);
+  g_signal_handlers_unblock_by_func (self->weather_auto_location_switch, on_weather_auto_location_changed_cb, self);
+  g_signal_handlers_unblock_by_func (self->weather_location_entry, on_weather_location_searchbox_changed_cb, self);
+}
+
+static void
+save_weather_settings (GcalWeatherSettings *self)
+{
+  g_autoptr (GWeatherLocation) location = NULL;
+  GSettings *settings;
+  GVariant *value;
+  GVariant *vlocation;
+  gboolean res;
+
+  if (!self->manager)
+    return;
+
+  location = gweather_location_entry_get_location (GWEATHER_LOCATION_ENTRY (self->weather_location_entry));
+  vlocation = location ? gweather_location_serialize (location) : NULL;
+
+  settings = gcal_manager_get_settings (self->manager);
+  value = g_variant_new ("(bbsmv)",
+                         gtk_switch_get_active (self->show_weather_switch),
+                         gtk_switch_get_active (self->weather_auto_location_switch),
+                         gtk_entry_get_text (GTK_ENTRY (self->weather_location_entry)),
+                         vlocation);
+
+  res = g_settings_set_value (settings, "weather-settings", value);
+
+  if (!res)
+    g_warning ("Could not persist weather settings");
+}
+
+static void
+update_menu_weather_sensitivity (GcalWeatherSettings *self)
+{
+  gboolean weather_enabled;
+  gboolean autoloc_enabled;
+
+  weather_enabled = gtk_switch_get_active (self->show_weather_switch);
+  autoloc_enabled = gtk_switch_get_active (self->weather_auto_location_switch);
+
+  gtk_widget_set_sensitive (GTK_WIDGET (self->weather_auto_location_switch), weather_enabled);
+  gtk_widget_set_sensitive (GTK_WIDGET (self->weather_location_entry), weather_enabled && !autoloc_enabled);
+}
+
+
+static GWeatherLocation*
+get_checked_fixed_location (GcalWeatherSettings *self)
+{
+  g_autoptr (GWeatherLocation) location;
+
+  location = gweather_location_entry_get_location (GWEATHER_LOCATION_ENTRY (self->weather_location_entry));
+
+  /*
+   * NOTE: This check feels shabby. However, I couldn't find a better
+   * one without iterating the model. has-custom-text does not work
+   * properly. Lets go with it for now.
+   */
+  if (location && gweather_location_get_name (location))
+    return g_steal_pointer (&location);
+
+  return NULL;
+}
+
+static void
+manage_weather_service (GcalWeatherSettings *self)
+{
+  g_autoptr (GWeatherLocation) location = NULL;
+
+  gcal_weather_service_stop (self->weather_service);
+
+  if (!gtk_switch_get_active (self->show_weather_switch))
+    return;
+
+  if (gtk_switch_get_active (self->weather_auto_location_switch))
+    {
+      gcal_weather_service_run (self->weather_service, NULL);
+      return;
+    }
+
+  location = get_checked_fixed_location (self);
+  if (!location)
+    {
+      /* TODO: this one should get reported to users */
+      g_warning ("Unknown location '%s' selected", gtk_entry_get_text (GTK_ENTRY (self->weather_location_entry)));
+      return;
+    }
+
+  gcal_weather_service_run (self->weather_service, location);
+}
+
+
+/*
+ * Callbacks
+ */
+
+static void
+on_show_weather_changed_cb (GtkSwitch           *wswitch,
+                            GParamSpec          *pspec,
+                            GcalWeatherSettings *self)
+{
+  save_weather_settings (self);
+  update_menu_weather_sensitivity (self);
+  manage_weather_service (self);
+}
+
+
+static void
+on_weather_auto_location_changed_cb (GtkSwitch           *lswitch,
+                                     GParamSpec          *pspec,
+                                     GcalWeatherSettings *self)
+{
+  save_weather_settings (self);
+  update_menu_weather_sensitivity (self);
+  manage_weather_service (self);
+}
+
+static void
+on_weather_location_searchbox_changed_cb (GWeatherLocationEntry *entry,
+                                          GcalWeatherSettings   *self)
+{
+  GtkStyleContext  *context;
+  GWeatherLocation *location;
+  gboolean auto_location;
+
+  save_weather_settings (self);
+
+  context = gtk_widget_get_style_context (self->weather_location_entry);
+  auto_location = gtk_switch_get_active (self->weather_auto_location_switch);
+  location = get_checked_fixed_location (self);
+
+  if (!location && !auto_location)
+    {
+      gtk_style_context_add_class (context, "error");
+    }
+  else
+    {
+      gtk_style_context_remove_class (context, "error");
+      manage_weather_service (self);
+      gweather_location_unref (location);
+    }
+}
+
+
+
+/*
+ * GObject overrides
+ */
+
+static void
+gcal_weather_settings_finalize (GObject *object)
+{
+  GcalWeatherSettings *self = (GcalWeatherSettings *)object;
+
+  g_clear_object (&self->weather_service);
+
+  G_OBJECT_CLASS (gcal_weather_settings_parent_class)->finalize (object);
+}
+
+static void
+gcal_weather_settings_get_property (GObject    *object,
+                                    guint       prop_id,
+                                    GValue     *value,
+                                    GParamSpec *pspec)
+{
+  GcalWeatherSettings *self = GCAL_WEATHER_SETTINGS (object);
+
+  switch (prop_id)
+    {
+    case PROP_MANAGER:
+      g_value_set_object (value, self->manager);
+      break;
+
+    case PROP_WEATHER_SERVICE:
+      g_value_set_object (value, self->weather_service);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+gcal_weather_settings_set_property (GObject      *object,
+                                    guint         prop_id,
+                                    const GValue *value,
+                                    GParamSpec   *pspec)
+{
+  GcalWeatherSettings *self = GCAL_WEATHER_SETTINGS (object);
+
+  switch (prop_id)
+    {
+    case PROP_MANAGER:
+      if (g_set_object (&self->manager, g_value_get_object (value)))
+        {
+          load_weather_settings (self);
+          update_menu_weather_sensitivity (self);
+          manage_weather_service (self);
+
+          g_object_notify_by_pspec (object, properties[PROP_MANAGER]);
+        }
+      break;
+
+    case PROP_WEATHER_SERVICE:
+      gcal_weather_settings_set_weather_service (self, g_value_get_object (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+gcal_weather_settings_class_init (GcalWeatherSettingsClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+  object_class->finalize = gcal_weather_settings_finalize;
+  object_class->get_property = gcal_weather_settings_get_property;
+  object_class->set_property = gcal_weather_settings_set_property;
+
+  properties[PROP_MANAGER] = g_param_spec_object ("manager",
+                                                  "Manager",
+                                                  "Manager",
+                                                  GCAL_TYPE_MANAGER,
+                                                  G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+  properties[PROP_WEATHER_SERVICE] = g_param_spec_object ("weather-service",
+                                                          "The weather service object",
+                                                          "The weather service object",
+                                                          GCAL_TYPE_WEATHER_SERVICE,
+                                                          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/calendar/weather-settings.ui");
+
+  gtk_widget_class_bind_template_child (widget_class, GcalWeatherSettings, show_weather_switch);
+  gtk_widget_class_bind_template_child (widget_class, GcalWeatherSettings, weather_auto_location_switch);
+  gtk_widget_class_bind_template_child (widget_class, GcalWeatherSettings, weather_location_entry);
+
+  gtk_widget_class_bind_template_callback (widget_class, on_show_weather_changed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_weather_auto_location_changed_cb);
+  gtk_widget_class_bind_template_callback (widget_class, on_weather_location_searchbox_changed_cb);
+}
+
+static void
+gcal_weather_settings_init (GcalWeatherSettings *self)
+{
+  gtk_widget_init_template (GTK_WIDGET (self));
+}
+
+GcalWeatherService*
+gcal_weather_settings_get_weather_service (GcalWeatherSettings *self)
+{
+  g_return_val_if_fail (GCAL_IS_WEATHER_SETTINGS (self), NULL);
+
+  return self->weather_service;
+}
+
+void
+gcal_weather_settings_set_weather_service (GcalWeatherSettings *self,
+                                           GcalWeatherService  *service)
+{
+  g_return_if_fail (GCAL_IS_WEATHER_SETTINGS (self));
+
+  if (!g_set_object (&self->weather_service, service))
+    return;
+
+  /* Recover weather settings */
+  load_weather_settings (self);
+  update_menu_weather_sensitivity (self);
+  manage_weather_service (self);
+
+  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_WEATHER_SERVICE]);
+}