[gnome-tetravex] Move some methods.

[Arnaud B. <arnaudb src gnome org>]

commit 7d36b673a625cfa6b94c4594d8bdc4314b44cbd5
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Tue Nov 5 23:54:24 2019 +0100

    Move some methods.

 src/puzzle-view.vala | 28 +++-------------------------
 src/puzzle.vala      | 28 ++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 25 deletions(-)
---
diff --git a/src/puzzle-view.vala b/src/puzzle-view.vala
index 7a30f82..6a82216 100644
--- a/src/puzzle-view.vala
+++ b/src/puzzle-view.vala
@@ -716,7 +716,7 @@ private class PuzzleView : Gtk.DrawingArea
             {
                 uint8 x;
                 uint8 y;
-                if (only_one_remaining_tile (out x, out y))
+                if (puzzle.only_one_remaining_tile (out x, out y))
                 {
                     uint8 selected_x, selected_y;
                     puzzle.get_tile_location (((!) selected_tile).tile, out selected_x, out selected_y);
@@ -745,26 +745,6 @@ private class PuzzleView : Gtk.DrawingArea
 
         return false;
     }
-    private inline bool only_one_remaining_tile (out uint8 empty_x, out uint8 empty_y)
-    {
-        bool empty_found = false;
-        empty_x = uint8.MAX;    // garbage
-        empty_y = uint8.MAX;    // garbage
-        for (uint8 x = 0; x < puzzle.size; x++)
-            for (uint8 y = 0; y < puzzle.size; y++)
-                if (puzzle.get_tile (x, y) == null)
-                {
-                    if (empty_found)
-                        return false;
-                    empty_found = true;
-                    empty_x = x;
-                    empty_y = y;
-                }
-
-        if (!empty_found)
-            assert_not_reached ();
-        return true;
-    }
 
     protected override bool button_release_event (Gdk.EventButton event)
     {
@@ -823,9 +803,7 @@ private class PuzzleView : Gtk.DrawingArea
 
     internal void finish ()
     {
-        for (uint8 x = 0; x < puzzle.size; x++)
-            for (uint8 y = 0; y < puzzle.size; y++)
-                puzzle.switch_tiles (x + puzzle.size, y, x, y, final_animation_duration);
+        puzzle.finish (final_animation_duration);
     }
 
     internal void release_selected_tile ()
@@ -966,7 +944,7 @@ private class PuzzleView : Gtk.DrawingArea
                 {
                     uint8 x;
                     uint8 y;
-                    if (only_one_remaining_tile (out x, out y))
+                    if (puzzle.only_one_remaining_tile (out x, out y))
                     {
                         uint8 selected_x, selected_y;
                         puzzle.get_tile_location ((!) tile, out selected_x, out selected_y);
diff --git a/src/puzzle.vala b/src/puzzle.vala
index 49b0230..104664d 100644
--- a/src/puzzle.vala
+++ b/src/puzzle.vala
@@ -497,6 +497,34 @@ private class Puzzle : Object
         stop_clock ();
     }
 
+    internal void finish (uint duration)
+    {
+        for (uint8 x = 0; x < size; x++)
+            for (uint8 y = 0; y < size; y++)
+                switch_tiles (x + size, y, x, y, duration);
+    }
+
+    internal bool only_one_remaining_tile (out uint8 empty_x, out uint8 empty_y)
+    {
+        bool empty_found = false;
+        empty_x = uint8.MAX;    // garbage
+        empty_y = uint8.MAX;    // garbage
+        for (uint8 x = 0; x < size; x++)
+            for (uint8 y = 0; y < size; y++)
+                if (get_tile (x, y) == null)
+                {
+                    if (empty_found)
+                        return false;
+                    empty_found = true;
+                    empty_x = x;
+                    empty_y = y;
+                }
+
+        if (!empty_found)
+            return false;
+        return true;
+    }
+
     /*\
     * * clock
     \*/