[chronojump] Logic for asking for scheduled backup (but hidden until 4 buttons do anything)

[Xavier de Blas <xaviblas src gnome org>]

commit d5c057a290cf119196c47916de6f2d525fbc88a9
Author: Xavier de Blas <xaviblas gmail com>
Date:   Tue Aug 17 19:35:46 2021 +0200

    Logic for asking for scheduled backup (but hidden until 4 buttons do anything)

 src/gui/app1/chronojump.cs     |  9 +++++++--
 src/gui/app1/session/backup.cs | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+), 2 deletions(-)
---
diff --git a/src/gui/app1/chronojump.cs b/src/gui/app1/chronojump.cs
index 7c51defbd..e3b757c47 100644
--- a/src/gui/app1/chronojump.cs
+++ b/src/gui/app1/chronojump.cs
@@ -836,8 +836,13 @@ public partial class ChronoJumpWindow
                        chronopicRegisterWin.Show();
                }
 
-               if(! showSendLog && ! showSocialNetworkPoll && notebook_sup.CurrentPage == 
Convert.ToInt32(notebook_sup_pages.START))
-                       new ChronojumpLogo (notebook_chronojump_logo, drawingarea_chronojump_logo, 
viewport_chronojump_logo, preferences.logoAnimatedShow, preferences.fontType.ToString());
+               if(! showSendLog && ! showSocialNetworkPoll)
+               {
+                       if (shouldAskBackupScheduled ())
+                               backupScheduledAsk ();
+                       else if(notebook_sup.CurrentPage == Convert.ToInt32(notebook_sup_pages.START))
+                               new ChronojumpLogo (notebook_chronojump_logo, drawingarea_chronojump_logo, 
viewport_chronojump_logo, preferences.logoAnimatedShow, preferences.fontType.ToString());
+               }
 
                //done at the end to ensure main window is shown
                if(splashWin != null) {
diff --git a/src/gui/app1/session/backup.cs b/src/gui/app1/session/backup.cs
index 39e528970..ac6cc948f 100644
--- a/src/gui/app1/session/backup.cs
+++ b/src/gui/app1/session/backup.cs
@@ -33,6 +33,7 @@ public partial class ChronoJumpWindow
        static UtilCopy app1s_uc;
        private Thread app1s_threadBackup;
 
+       //user clicks on backup
        private void on_button_db_backup_pre_clicked (object o, EventArgs args)
        {
                if(! app1s_getDatabaseFile())
@@ -52,6 +53,43 @@ public partial class ChronoJumpWindow
                app1s_notebook.CurrentPage = app1s_PAGE_BACKUP;
        }
 
+       private bool shouldAskBackupScheduled ()
+       {
+               /*
+                       TODO: disabled until 4 buttons do something
+
+               // 1) if never scheduled, need to show widget
+               if(preferences.backupScheduledCreatedDate == DateTime.MinValue)
+                       return true;
+
+               // 2) if next days is -1 (never ask agan), do not show widget
+               if(preferences.backupScheduledNextDays < 0)
+                       return false;
+
+               // 3) if backup has to be done, show widget
+               // <0 means "This instance is earlier than value.". So if created date + nextDays is < than 
current date, need to do backup
+               
if(preferences.backupScheduledCreatedDate.AddDays(preferences.backupScheduledNextDays).CompareTo(DateTime.Now)
 <= 0)
+                       return true;
+                       */
+
+               return false;
+       }
+
+       //scheduled backup on start
+       private void backupScheduledAsk ()
+       {
+               menus_sensitive_import_not_danger(false);
+               app1s_notebook_sup_entered_from = notebook_sup.CurrentPage;
+                notebook_sup.CurrentPage = Convert.ToInt32(notebook_sup_pages.SESSION);
+
+               notebook_session_backup.Page = 1;
+
+               app1s_notebook.CurrentPage = app1s_PAGE_BACKUP;
+
+               app1s_button_backup_cancel_close.Visible = false;
+               //TODO: remember to show again after pressing any of the buttons
+       }
+
        private bool app1s_getDatabaseFile ()
        {
                string databaseURL = Util.GetDatabaseDir() +