11/******************************************************************************
2- * Copyright (c) 2006-2021 The IndentGuide Authors.
2+ * Copyright (c) 2006-2023 The IndentGuide Authors.
33 * All rights reserved.
44 *
55 * This program and the accompanying materials are made available under the
@@ -39,7 +39,7 @@ public class Activator extends AbstractUIPlugin {
3939 private static Activator plugin ;
4040
4141 private final IEclipsePreferences [] scopes = new IEclipsePreferences [2 ];
42- private final EventHandler themeEventHandler = event -> {
42+ private final EventHandler themeChange = event -> {
4343 disposeLineColor ();
4444 log ("Theme change '%s'" , event );
4545 };
@@ -51,22 +51,22 @@ public Activator() {
5151 }
5252
5353 /** Returns the shared instance */
54- public static Activator getDefault () {
55- return plugin ;
56- }
54+ public static Activator getDefault () { return plugin ; }
5755
5856 @ Override
5957 public void start (BundleContext context ) throws Exception {
6058 super .start (context );
6159 plugin = this ;
6260
61+ log ("Indent guide: startup" );
62+
6363 scopes [0 ] = InstanceScope .INSTANCE .getNode (EditorsID );
6464 scopes [1 ] = DefaultScope .INSTANCE .getNode (EditorsID );
6565
6666 IWorkbench wb = PlatformUI .getWorkbench ();
6767 IEventBroker broker = wb .getService (IEventBroker .class );
6868 if (broker != null ) {
69- broker .subscribe (IThemeEngine .Events .THEME_CHANGED , themeEventHandler );
69+ broker .subscribe (IThemeEngine .Events .THEME_CHANGED , themeChange );
7070 }
7171 }
7272
@@ -75,12 +75,11 @@ public void stop(BundleContext context) throws Exception {
7575 IWorkbench wb = PlatformUI .getWorkbench ();
7676 IEventBroker broker = wb .getService (IEventBroker .class );
7777 if (broker != null ) {
78- broker .unsubscribe (themeEventHandler );
78+ broker .unsubscribe (themeChange );
7979 }
8080
8181 disposeLineColor ();
8282 scopes [0 ] = scopes [1 ] = null ;
83-
8483 plugin = null ;
8584 super .stop (context );
8685 }
@@ -99,9 +98,8 @@ public Color getColor() {
9998 }
10099
101100 /**
102- * Returns {@code true} if the current theme is 'dark', defined as where the
103- * foreground color is relatively darker than the background color. (black ->
104- * '0'; white -> '255*3')
101+ * Returns {@code true} if the current theme is 'dark', defined as where the foreground color is
102+ * relatively darker than the background color. (black -> '0'; white -> '255*3')
105103 */
106104 public boolean isDarkTheme () {
107105 RGB fg = getRawRGB (AbstractTextEditor .PREFERENCE_COLOR_FOREGROUND );
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