Update Granite label styles (#472)

There's another deprecation warning with popover menu but this needs a bit more work so saving that for its own branch

Author: danirabbit

README.md

@@ -7,6 +7,7 @@ A quick app launcher and window switcher for Pantheon
 You'll need the following dependencies:
 
 * libadwaita-1-dev
+* libgranite-7-dev >= 7.7.0
 * libgtk-4-dev
 * meson
 * valac

meson.build

@@ -29,7 +29,7 @@ gtk_dep = dependency('gtk4')
 gtk_wayland_dep = dependency('gtk4-wayland')
 gtk_x11_dep = dependency('gtk4-x11')
 x11_dep = dependency('x11')
-granite_dep = dependency('granite-7')
+granite_dep = dependency('granite-7', version: '>=7.7.0')
 adw_dep = dependency('libadwaita-1')
 m_dep = cc.find_library('m')
 wl_client_dep = dependency('wayland-client')

src/AppSystem/Background/BackgroundAppRow.vala

@@ -28,16 +28,16 @@ public class Dock.BackgroundAppRow : Gtk.ListBoxRow {
             xalign = 0,
             hexpand = true
         };
-        message.add_css_class (Granite.STYLE_CLASS_DIM_LABEL);
-        message.add_css_class (Granite.STYLE_CLASS_SMALL_LABEL);
+        message.add_css_class (Granite.CssClass.DIM);
+        message.add_css_class (Granite.CssClass.SMALL);
 
         var button = new Gtk.Button.from_icon_name ("window-close-symbolic") {
             valign = CENTER,
             tooltip_text = _("Quit"),
         };
         button.add_css_class ("close-button");
-        button.add_css_class (Granite.STYLE_CLASS_CIRCULAR);
-        button.add_css_class (Granite.STYLE_CLASS_DESTRUCTIVE_ACTION);
+        button.add_css_class (Granite.CssClass.CIRCULAR);
+        button.add_css_class (Granite.CssClass.DESTRUCTIVE);
 
         var spinner = new Gtk.Spinner () {
             spinning = true