sysprof: Implement new-window action

GNOME Shell uses the "new-window" action to open new main windows for an
application. Implementing it allows the application launcher to detect that
action, and provide a "New Window" menu entry for the user.

src/sysprof/sysprof-application.c

@@ -130,6 +130,36 @@ sysprof_application_class_init (SysprofApplicationClass *klass)
   gtk_app_class->window_added = sysprof_application_window_added;
 }
 
+static void
+sysprof_new_window (GSimpleAction *action,
+                    GVariant      *variant,
+                    gpointer       user_data)
+{
+  const GList *windows;
+  GApplication *app = user_data;
+  GtkWindow *window;
+  GtkWidget *greeter;
+
+  g_assert (G_IS_APPLICATION (app));
+  g_assert (G_IS_SIMPLE_ACTION (action));
+  g_assert (variant == NULL);
+
+  windows = gtk_application_get_windows (GTK_APPLICATION (app));
+
+  for (const GList *iter = windows; iter != NULL; iter = iter->next)
+    {
+      if (SYSPROF_IS_GREETER (iter->data))
+        {
+          gtk_window_present (iter->data);
+          return;
+        }
+    }
+
+  greeter = sysprof_greeter_new ();
+  gtk_application_add_window (GTK_APPLICATION (app), GTK_WINDOW (greeter));
+  gtk_window_present (GTK_WINDOW (greeter));
+}
+
 static void
 sysprof_quit (GSimpleAction *action,
               GVariant      *variant,
@@ -240,6 +270,7 @@ static void
 sysprof_application_init (SysprofApplication *self)
 {
   static const GActionEntry actions[] = {
+    { "new-window", sysprof_new_window },
     { "about", sysprof_about },
     { "show-help-overlay", sysprof_show_help_overlay },
     { "help",  sysprof_help },

src/sysprof/sysprof-window.c

@@ -113,8 +113,6 @@ sysprof_window_update_action_state (SysprofWindow *self)
 
   if (self->session == NULL)
     {
-      gtk_widget_action_set_enabled (GTK_WIDGET (self), "win.open-capture", FALSE);
-      gtk_widget_action_set_enabled (GTK_WIDGET (self), "win.record-capture", FALSE);
       gtk_widget_action_set_enabled (GTK_WIDGET (self), "session.zoom-one", FALSE);
       gtk_widget_action_set_enabled (GTK_WIDGET (self), "session.zoom-out", FALSE);
       gtk_widget_action_set_enabled (GTK_WIDGET (self), "session.zoom-in", FALSE);
@@ -124,8 +122,6 @@ sysprof_window_update_action_state (SysprofWindow *self)
     }
   else
     {
-      gtk_widget_action_set_enabled (GTK_WIDGET (self), "win.open-capture", TRUE);
-      gtk_widget_action_set_enabled (GTK_WIDGET (self), "win.record-capture", TRUE);
       gtk_widget_action_set_enabled (GTK_WIDGET (self), "win.save-capture", TRUE);
       gtk_widget_action_set_enabled (GTK_WIDGET (self), "session.zoom-in", TRUE);
 
@@ -228,24 +224,6 @@ sysprof_window_open_capture_action (GtkWidget  *widget,
   sysprof_window_open_file (GTK_WINDOW (widget), template);
 }
 
-static void
-sysprof_window_record_capture_action (GtkWidget  *widget,
-                                      const char *action_name,
-                                      GVariant   *param)
-{
-  SysprofWindow *self = (SysprofWindow *)widget;
-  SysprofGreeter *greeter;
-
-  g_assert (SYSPROF_IS_WINDOW (self));
-
-  greeter = g_object_new (SYSPROF_TYPE_GREETER,
-                          "transient-for", self,
-                          NULL);
-  gtk_application_add_window (GTK_APPLICATION (SYSPROF_APPLICATION_DEFAULT),
-                              GTK_WINDOW (greeter));
-  gtk_window_present (GTK_WINDOW (greeter));
-}
-
 static void
 sysprof_window_set_document (SysprofWindow   *self,
                              SysprofDocument *document)
@@ -628,7 +606,6 @@ sysprof_window_class_init (SysprofWindowClass *klass)
   gtk_widget_class_bind_template_callback (widget_class, n_filters_to_button_visibility);
 
   gtk_widget_class_install_action (widget_class, "win.open-capture", NULL, sysprof_window_open_capture_action);
-  gtk_widget_class_install_action (widget_class, "win.record-capture", NULL, sysprof_window_record_capture_action);
   gtk_widget_class_install_action (widget_class, "session.zoom-one", NULL, sysprof_window_session_zoom_one);
   gtk_widget_class_install_action (widget_class, "session.zoom-out", NULL, sysprof_window_session_zoom_out);
   gtk_widget_class_install_action (widget_class, "session.zoom-in", NULL, sysprof_window_session_zoom_in);

src/sysprof/sysprof-window.ui

@@ -29,7 +29,7 @@
         <child>
           <object class="GtkShortcut">
             <property name="trigger">&lt;ctrl&gt;n</property>
-            <property name="action">action(win.record-capture)</property>
+            <property name="action">action(app.new-window)</property>
           </object>
         </child>
         <child>
@@ -458,7 +458,7 @@
     <section>
       <item>
         <attribute name="label" translatable="yes">_Record Again…</attribute>
-        <attribute name="action">win.record-capture</attribute>
+        <attribute name="action">app.new-window</attribute>
       </item>
       <item>
         <attribute name="label" translatable="yes">Open Recording…</attribute>