From fa3512621c2d3e353fded5c5bf9b14c966b07a8a Mon Sep 17 00:00:00 2001
From: 0xboobface <0xboobface@gmail.com>
Date: Sun, 12 Jul 2020 12:39:15 +0200
Subject: [PATCH] Release resources, if the tab is deselected

This allows the garbage collector to work properly and reduces the
minimum heap size
---
 client/src/main/java/ctbrec/ui/tabs/ThumbCell.java       | 4 ++++
 .../src/main/java/ctbrec/ui/tabs/ThumbOverviewTab.java   | 9 +++++++++
 2 files changed, 13 insertions(+)

diff --git a/client/src/main/java/ctbrec/ui/tabs/ThumbCell.java b/client/src/main/java/ctbrec/ui/tabs/ThumbCell.java
index 1f26d841..bb01c4d5 100644
--- a/client/src/main/java/ctbrec/ui/tabs/ThumbCell.java
+++ b/client/src/main/java/ctbrec/ui/tabs/ThumbCell.java
@@ -644,4 +644,8 @@ public class ThumbCell extends StackPane {
             return new int[2];
         }
     }
+
+    public void releaseResources() {
+        iv.setImage(null);
+    }
 }
diff --git a/client/src/main/java/ctbrec/ui/tabs/ThumbOverviewTab.java b/client/src/main/java/ctbrec/ui/tabs/ThumbOverviewTab.java
index 6d052701..7623cf2b 100644
--- a/client/src/main/java/ctbrec/ui/tabs/ThumbOverviewTab.java
+++ b/client/src/main/java/ctbrec/ui/tabs/ThumbOverviewTab.java
@@ -872,6 +872,15 @@ public class ThumbOverviewTab extends Tab implements TabSelectionListener {
             updateService.cancel();
         }
         queue.clear();
+
+        for (Iterator<Node> iterator = grid.getChildren().iterator(); iterator.hasNext();) {
+            Node node = iterator.next();
+            if(node instanceof ThumbCell) {
+                ThumbCell thumbCell = (ThumbCell) node;
+                thumbCell.releaseResources();
+                iterator.remove();
+            }
+        }
     }
 
     void suspendUpdates(boolean suspend) {