added buttons in settings panel to allow for manual update checking

Signed-off-by: Jonathan 'Wolf' Rentzsch <jwr.git@redshed.net>

Plugin/CTFWhitelistWindowController.h

@@ -1,9 +1,12 @@
 #import <Cocoa/Cocoa.h>
 
+extern NSString* kCTFCheckForUpdates;
 
 @interface CTFWhitelistWindowController : NSWindowController {
 	IBOutlet NSArrayController *_controller;
 }
 
+- (IBAction)checkForUpdates:(id)sender;
+
 @end
 

Plugin/CTFWhitelistWindowController.m

@@ -1,4 +1,7 @@
 #import "CTFWhitelistWindowController.h"
+#import <Sparkle/Sparkle.h>
+
+NSString *kCTFCheckForUpdates = @"CTFCheckForUpdates";
 
 @implementation CTFWhitelistWindowController
 
@@ -16,4 +19,17 @@ - (id)init
     return self;
 }
 
+- (IBAction)checkForUpdates:(id)sender;
+{
+	// this code is put here, because if it's code that's owned by the plugin object, then initiating
+	// an update will silently fail when no ClickToFlash view is loaded; putting it in the whitelist window
+	// object allows Sparkle to always check for updates
+
+	NSBundle *clickToFlashBundle = [NSBundle bundleWithIdentifier:@"com.github.rentzsch.clicktoflash"];
+	NSAssert(clickToFlashBundle, nil);
+	SUUpdater *updater = [SUUpdater updaterForBundle:clickToFlashBundle];
+	NSAssert(updater, nil);
+	[updater checkForUpdates:self];
+}
+
 @end