#19 Add pause callback to AbstractTablexiaScreen

core/src/cz/nic/tablexia/screen/AbstractTablexiaScreen.java

@@ -379,6 +379,13 @@ public abstract class AbstractTablexiaScreen<T> extends ScreenAdapter {
         disposables.add(disposable);
     }
 
+    @Override
+    public void pause() {
+        if (loadingComplete && hasState) {
+            performScreenPaused();
+        }
+    }
+
     @Override
     public final void dispose() {
         stage.dispose();
@@ -424,6 +431,11 @@ public abstract class AbstractTablexiaScreen<T> extends ScreenAdapter {
         screenResized(width, height);
     }
 
+    private final void performScreenPaused() {
+        Log.info(getClass(), "[ ------- Screen Paused ------- ]");
+        screenPaused();
+    }
+
     private final void performScreenDisposed() {
         Log.info(getClass(), "[ ------- Screen Disposed ------- ]");
         screenDisposed();
@@ -438,6 +450,9 @@ public abstract class AbstractTablexiaScreen<T> extends ScreenAdapter {
     protected void screenVisible() {
     }
 
+    protected void screenPaused() {
+    }
+
     protected void screenDisposed() {
     }