Fixes accessors for ARC.

Popup/ApplicationDelegate.h

@@ -1,13 +1,10 @@
 #import "MenubarController.h"
 #import "PanelController.h"
 
-@interface ApplicationDelegate : NSObject <NSApplicationDelegate, PanelControllerDelegate> {
-    MenubarController *_menubarController;
-    PanelController *_panelController;
-}
+@interface ApplicationDelegate : NSObject <NSApplicationDelegate, PanelControllerDelegate>
 
 @property (nonatomic, strong) MenubarController *menubarController;
-@property (nonatomic, unsafe_unretained, readonly) PanelController *panelController;
+@property (nonatomic, strong, readonly) PanelController *panelController;
 
 - (IBAction)togglePanel:(id)sender;
 

Popup/ApplicationDelegate.m

@@ -1,9 +1,8 @@
 #import "ApplicationDelegate.h"
 
-void *kContextActivePanel = &kContextActivePanel;
-
 @implementation ApplicationDelegate
 
+@synthesize panelController = _panelController;
 @synthesize menubarController = _menubarController;
 
 #pragma mark -
@@ -15,14 +14,14 @@ - (void)dealloc
 
 #pragma mark -
 
+void *kContextActivePanel = &kContextActivePanel;
+
 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
 {
-    if (context == kContextActivePanel)
-    {
+    if (context == kContextActivePanel) {
         self.menubarController.hasActiveIcon = self.panelController.hasActivePanel;
     }
-    else
-    {
+    else {
         [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
     }
 }
@@ -39,7 +38,6 @@ - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sende
 {
     // Explicitly remove the icon from the menu bar
     self.menubarController = nil;
-
     return NSTerminateNow;
 }
 
@@ -55,8 +53,7 @@ - (IBAction)togglePanel:(id)sender
 
 - (PanelController *)panelController
 {
-    if (_panelController == nil)
-    {
+    if (_panelController == nil) {
         _panelController = [[PanelController alloc] initWithDelegate:self];
         [_panelController addObserver:self forKeyPath:@"hasActivePanel" options:0 context:kContextActivePanel];
     }

Popup/MenubarController.h

@@ -10,7 +10,7 @@
 }
 
 @property (nonatomic) BOOL hasActiveIcon;
-@property (nonatomic, unsafe_unretained, readonly) NSStatusItem *statusItem;
+@property (nonatomic, strong, readonly) NSStatusItem *statusItem;
 @property (nonatomic, strong, readonly) StatusItemView *statusItemView;
 
 @end

Popup/StatusItemView.m

@@ -18,8 +18,7 @@ - (id)initWithStatusItem:(NSStatusItem *)statusItem
     NSRect itemRect = NSMakeRect(0.0, 0.0, itemWidth, itemHeight);
     self = [super initWithFrame:itemRect];
 
-    if (self != nil)
-    {
+    if (self != nil) {
         _statusItem = statusItem;
         _statusItem.view = self;
     }