add progress and done pages

ubuntu_smoother/gtk/window.ui

@@ -26,9 +26,11 @@
           <object class="AdwCarousel" id="carousel">
             <property name="vexpand">True</property>
             <property name="hexpand">True</property>
-            <property name="allow_scroll_wheel">True</property>
-            <property name="allow_mouse_drag">True</property>
-            <property name="allow_long_swipes">True</property>
+            <property name="allow_scroll_wheel">False</property>
+            <property name="allow_mouse_drag">False</property>
+            <property name="allow_long_swipes">False</property>
+
+            <!-- Welcome -->
             <child>
               <object class="AdwStatusPage">
                 <property name="icon-name">pm.mirko.UbuntuSmoother</property>
@@ -49,6 +51,8 @@
                 </child>
               </object>
             </child>
+            
+            <!-- Configuration -->
             <child>
               <object class="GtkBox">
                 <property name="orientation">vertical</property>
@@ -114,6 +118,45 @@
                 </child>
               </object>
             </child>
+
+            <!-- Progress -->
+            <child>
+              <object class="AdwStatusPage">
+                <property name="title">Please Wait…</property>
+                <property name="description">The changes are being applied.</property>
+                <property name="halign">fill</property>
+                <property name="valign">fill</property>
+                <property name="hexpand">true</property>
+                <child>
+                  <object class="GtkSpinner" id="spinner">
+                    <property name="valign">center</property>
+                    <property name="halign">center</property>
+                  </object>
+                </child>
+              </object>
+            </child>
+
+            <!-- Done -->
+            <child>
+              <object class="AdwStatusPage">
+                <property name="icon-name">emblem-default-symbolic</property>
+                <property name="title">Done!</property>
+                <property name="description">You can now enjoy your new Ubuntu experience.</property>
+                <property name="halign">fill</property>
+                <property name="valign">fill</property>
+                <property name="hexpand">true</property>
+                <child>
+                  <object class="GtkButton" id="btn_close">
+                    <property name="label">Close</property>
+                    <property name="halign">center</property>
+                    <style>
+                      <class name="pill" />
+                      <class name="suggested-action" />
+                    </style>
+                  </object>
+                </child>
+              </object>
+            </child>
           </object>
         </child>
       </object>

ubuntu_smoother/window.py

@@ -19,6 +19,7 @@ from gi.repository import Gtk, Gio, Adw
 from ubuntu_smoother.models.preset import Preset
 from ubuntu_smoother.models.config import Config
 from ubuntu_smoother.utils.configurator import Configurator
+from ubuntu_smoother.utils.run_async import RunAsync
 
 
 @Gtk.Template(resource_path='/pm/mirko/UbuntuSmoother/gtk/window.ui')
@@ -28,9 +29,15 @@ class UbuntuSmootherWindow(Adw.ApplicationWindow):
     carousel = Gtk.Template.Child()
     btn_start = Gtk.Template.Child()
     btn_save = Gtk.Template.Child()
+    btn_close = Gtk.Template.Child()
     switch_snap = Gtk.Template.Child()
     switch_flatpak = Gtk.Template.Child()
     switch_apport = Gtk.Template.Child()
+    page_welcome = -1
+    page_configuration = 0
+    page_progress = 1
+    page_done = 2
+    spinner = Gtk.Template.Child()
 
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
@@ -50,16 +57,29 @@ class UbuntuSmootherWindow(Adw.ApplicationWindow):
     def __connect_signals(self):
         self.btn_start.connect('clicked', self.__on_btn_start_clicked)
         self.btn_save.connect('clicked', self.on_btn_save_clicked)
+        self.btn_close.connect('clicked', self.on_btn_close_clicked)
         self.switch_snap.connect('state-set', self.__on_switch_snap_state_set)
         self.switch_flatpak.connect(
             'state-set', self.__on_switch_flatpak_state_set)
         self.switch_apport.connect(
             'state-set', self.__on_switch_apport_state_set)
 
+    def __show_page(self, page: int):
+        _page = self.carousel.get_nth_page(page + 1)
+        self.carousel.scroll_to(_page, True)
+
     def __on_btn_start_clicked(self, widget):
-        index = int(self.carousel.get_position())
-        next_page = self.carousel.get_nth_page(index + 1)
-        self.carousel.scroll_to(next_page, True)
+        self.__show_page(self.page_configuration)
+
+    def on_btn_save_clicked(self, widget):
+        def on_done(*args):
+            self.spinner.stop()
+            self.__show_page(self.page_done)
+
+        self.__show_page(self.page_progress)
+        self.spinner.start()
+
+        RunAsync(Configurator(self.__config, fake=True).apply, on_done)
 
     def __on_switch_snap_state_set(self, widget, state):
         self.__config.snap = state
@@ -70,5 +90,5 @@ class UbuntuSmootherWindow(Adw.ApplicationWindow):
     def __on_switch_apport_state_set(self, widget, state):
         self.__config.apport = state
 
-    def on_btn_save_clicked(self, widget):
-        Configurator(self.__config, fake=True).apply()
+    def on_btn_close_clicked(self, widget):
+        self.get_application().quit()