[gnome-settings-daemon/ebassi/gweather-4] Port to GWeather 4

[Emmanuele Bassi <ebassi src gnome org>]

commit d7f4c4ce5652eb18c3ec3a88b56d2dbfbe02d032
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Dec 31 17:02:21 2021 +0000

    Port to GWeather 4
    
    Use the new GWeather major version.
    
    The only change consists in replacing GWeatherTimezone with GTimeZone.

 meson.build                   | 2 +-
 plugins/datetime/weather-tz.c | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/meson.build b/meson.build
index 53a903df..9018f71d 100644
--- a/meson.build
+++ b/meson.build
@@ -96,7 +96,7 @@ gnome_desktop_dep = dependency('gnome-desktop-3.0', version: '>= 3.37.1')
 gsettings_desktop_dep = dependency('gsettings-desktop-schemas', version: '>= 40')
 gtk_dep = dependency('gtk+-3.0', version: '>= 3.15.3')
 gtk_x11_dep = dependency('gtk+-x11-3.0')
-gweather_dep = dependency('gweather-3.0', version: '>= 40.alpha')
+gweather_dep = dependency('gweather4')
 lcms_dep = dependency('lcms2', version: '>= 2.2')
 libcanberra_gtk_dep = dependency('libcanberra-gtk3')
 libgeoclue_dep = dependency('libgeoclue-2.0', version: '>= 2.3.1')
diff --git a/plugins/datetime/weather-tz.c b/plugins/datetime/weather-tz.c
index 2eac90a2..b76a2b8c 100644
--- a/plugins/datetime/weather-tz.c
+++ b/plugins/datetime/weather-tz.c
@@ -22,7 +22,6 @@
 #include "weather-tz.h"
 #include "tz.h"
 
-#define GWEATHER_I_KNOW_THIS_IS_UNSTABLE
 #include <libgweather/gweather.h>
 
 static GList *
@@ -65,6 +64,7 @@ load_timezones (GList *cities)
                 TzLocation *loc;
                 const gchar *country;
                 const gchar *timezone_id;
+                GTimeZone *tz;
                 gdouble latitude;
                 gdouble longitude;
 
@@ -77,7 +77,8 @@ load_timezones (GList *cities)
                 }
 
                 country = gweather_location_get_country (l->data);
-                timezone_id = gweather_timezone_get_tzid (gweather_location_get_timezone (l->data));
+                tz = gweather_location_get_timezone (l->data);
+                timezone_id = g_time_zone_get_identifier (tz);
                 gweather_location_get_coords (l->data,
                                               &latitude,
                                               &longitude);