ios: Add a Stop Bluetooth button to the navigation bar.

ios/RetroArch/BTStack/WiiMoteHelper.h

@@ -35,6 +35,7 @@
 
 @interface WiiMoteHelper : NSObject<BTDiscoveryDelegate, BTstackManagerDelegate, BTstackManagerListener>
 + (WiiMoteHelper*)get;
++ (void)stopBluetooth;
 - (void)showDiscovery;
 @end
 

ios/RetroArch/BTStack/WiiMoteHelper.m

@@ -44,10 +44,11 @@
 #import "btstack/run_loop.h"
 #import "btstack/hci_cmds.h"
 
-static BTDevice *device;
-static uint16_t wiiMoteConHandle = 0;
-static bool btOK;
+static BTDiscoveryViewController* discoveryView;
 static WiiMoteHelper* instance;
+static BTDevice *device;
+static bool btOK;
+
 
 @implementation WiiMoteHelper
 + (WiiMoteHelper*)get
@@ -60,6 +61,23 @@ static WiiMoteHelper* instance;
    return instance;
 }
 
++ (void)stopBluetooth
+{
+   instance = nil;
+   myosd_num_of_joys = 0;
+
+   if (btOK)
+   {
+      BTstackManager* bt = [BTstackManager sharedInstance];
+
+      [bt removeListener:discoveryView];
+      discoveryView = nil;
+      
+      [[BTstackManager sharedInstance] deactivate];
+      btOK = false;
+   }
+}
+
 - (id)init
 {
    if (!btOK)
@@ -74,20 +92,17 @@ static WiiMoteHelper* instance;
    return self;
 }
 
-- (void)dealloc
-{
-   // TODO: Any other cleanup needed
-   [[BTstackManager sharedInstance] deactivate];
-}
-
 - (void)showDiscovery
 {
-   BTDiscoveryViewController* vc = [BTDiscoveryViewController new];
-   [vc setDelegate:self];
+   if (!discoveryView)
+   {
+      discoveryView = [BTDiscoveryViewController new];
+      [discoveryView setDelegate:self];
    
-   [[BTstackManager sharedInstance] addListener:vc];
+      [[BTstackManager sharedInstance] addListener:discoveryView];
+   }
    
-   [[RetroArch_iOS get] pushViewController:vc isGame:NO];
+   [[RetroArch_iOS get] pushViewController:discoveryView isGame:NO];
 }
 
 // BTStackManagerListener
@@ -233,7 +248,7 @@ static WiiMoteHelper* instance;
                   bt_flip_addr(event_addr, &packet[3]);
                   uint16_t psm = READ_BT_16(packet, 11);
                   uint16_t source_cid = READ_BT_16(packet, 13);
-                  wiiMoteConHandle = READ_BT_16(packet, 9);
+                  uint16_t wiiMoteConHandle = READ_BT_16(packet, 9);
 
                   if (psm == 0x13)
                   {

ios/RetroArch/RetroArch_iOS.m

@@ -26,7 +26,7 @@
 
 #define ALMOST_INVISIBLE .021f
 
-@interface RANavigator : UINavigationController
+@interface RANavigator : UINavigationController<UINavigationControllerDelegate>
 @end
 
 @implementation RANavigator
@@ -37,6 +37,7 @@
 - (id)initWithAppDelegate:(RetroArch_iOS*)delegate
 {
    self = [super init];
+   self.delegate = self;
 
    assert(delegate);
    _delegate = delegate;
@@ -59,6 +60,18 @@
    [_delegate performSelector:@selector(screenDidRotate) withObject:nil afterDelay:.01f];
 }
 
+- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated
+{
+#ifdef WIIMOTE
+   UIBarButtonItem* bbi = [[UIBarButtonItem alloc]
+                          initWithTitle:@"Stop Bluetooth"
+                          style:UIBarButtonItemStyleBordered
+                          target:[RetroArch_iOS get]
+                          action:@selector(stopBluetooth)];
+   navigationController.topViewController.navigationItem.rightBarButtonItem = bbi;
+#endif
+}
+
 @end
 
 @implementation RetroArch_iOS
@@ -357,5 +370,12 @@
 #endif
 }
 
+- (IBAction)stopBluetooth
+{
+#ifdef WIIMOTE
+   [WiiMoteHelper stopBluetooth];
+#endif
+}
+
 @end