From 48637e05b6ed576ea116b6a18c5f586fcfbcd303 Mon Sep 17 00:00:00 2001
From: Brian Neisler <brian@airbug.com>
Date: Tue, 19 Jan 2016 13:28:01 -0800
Subject: [PATCH 1/2] Add hide method to react-native-lock-ios

---
 auth0-lock.js            |  4 ++++
 objc/A0LockReactModule.m |  6 ++++++
 objc/core/A0LockReact.h  |  2 ++
 objc/core/A0LockReact.m  | 20 ++++++++++++++++++++
 4 files changed, 32 insertions(+)

diff --git a/auth0-lock.js b/auth0-lock.js
index 63bb6b6..feef59c 100644
--- a/auth0-lock.js
+++ b/auth0-lock.js
@@ -14,6 +14,10 @@ class Auth0Lock {
     }
   }
 
+  hide(callback) {
+    LockModule.hide(callback);
+  }
+
   show(options, callback) {
     LockModule.init(this.lockOptions);
     if (this.nativeIntegrations) {
diff --git a/objc/A0LockReactModule.m b/objc/A0LockReactModule.m
index af0bb80..bc19280 100644
--- a/objc/A0LockReactModule.m
+++ b/objc/A0LockReactModule.m
@@ -85,6 +85,12 @@ @implementation A0LockReactModule
     [lock registerAuthenticators:authenticators];
 }
 
+RCT_EXPORT_METHOD(hide:(RCTResponseSenderBlock)callback) {
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [[A0LockReact sharedInstance] hideWithCallback:callback];
+    });
+}
+
 RCT_EXPORT_METHOD(show:(NSDictionary *)options callback:(RCTResponseSenderBlock)callback) {
     dispatch_async(dispatch_get_main_queue(), ^{
         [[A0LockReact sharedInstance] showWithOptions:options callback:callback];
diff --git a/objc/core/A0LockReact.h b/objc/core/A0LockReact.h
index 9de75b7..53c9420 100644
--- a/objc/core/A0LockReact.h
+++ b/objc/core/A0LockReact.h
@@ -29,6 +29,8 @@ typedef void(^A0LockCallback)(NSArray *parameters);
 
 @property (strong, readonly, nonatomic) A0Lock *lock;
 
+- (void)hideWithCallback:(A0LockCallback)callback;
+
 - (void)showWithOptions:(NSDictionary *)options callback:(A0LockCallback)callback;
 
 - (void)configureLockFromBundle;
diff --git a/objc/core/A0LockReact.m b/objc/core/A0LockReact.m
index af2e2f0..8218cce 100644
--- a/objc/core/A0LockReact.m
+++ b/objc/core/A0LockReact.m
@@ -25,6 +25,11 @@
 #import "A0Token+ReactNative.h"
 #import "A0UserProfile+ReactNative.h"
 
+
+@interface A0LockReact()
+@property (nonatomic, assign) BOOL shown;
+@end
+
 @implementation A0LockReact
 
 + (instancetype)sharedInstance {
@@ -44,6 +49,19 @@ - (void)configureLockWithClientId:(NSString *)clientId domain:(NSString *)domain
     _lock = [A0Lock newLockWithClientId:clientId domain:domain];
 }
 
+- (void)hideWithCallback:(A0LockCallback)callback {
+    if (self.shown) {
+        if (!self.lock) {
+            callback(@[@"Please configure Lock before using it"]);
+            return;
+        }
+        UIViewController *controller = [[[[UIApplication sharedApplication] windows] firstObject] rootViewController];
+        [controller dismissViewControllerAnimated:YES completion:nil];
+        self.shown = NO;
+    }
+    callback(@[]);
+}
+
 - (void)showWithOptions:(NSDictionary *)options callback:(A0LockCallback)callback {
     static NSString *TouchID = @"touchid";
     static NSString *SMS = @"sms";
@@ -78,6 +96,7 @@ - (void)showWithOptions:(NSDictionary *)options callback:(A0LockCallback)callbac
         [controller dismissViewControllerAnimated:YES completion:nil];
     };
     void(^dismissBlock)() = ^{
+        self.shown =  NO;
         callback(@[@"Lock was dismissed by the user", [NSNull null], [NSNull null]]);
     };
 
@@ -115,6 +134,7 @@ - (void)showWithOptions:(NSDictionary *)options callback:(A0LockCallback)callbac
         lock.onUserDismissBlock = dismissBlock;
         [self.lock presentLockController:lock fromController:controller];
     }
+    self.shown = YES;
 }
 
 - (A0AuthParameters *)authenticationParametersFromOptions:(NSDictionary *)options {

From a9f823666890415943e401d2b1578a8c266dbc9c Mon Sep 17 00:00:00 2001
From: Brian Neisler <brian@airbug.com>
Date: Wed, 20 Jan 2016 15:02:24 -0800
Subject: [PATCH 2/2] Move callback execution to completion handler of
 dismissViewControllerAnimated

---
 objc/core/A0LockReact.m | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/objc/core/A0LockReact.m b/objc/core/A0LockReact.m
index 8218cce..2a242f3 100644
--- a/objc/core/A0LockReact.m
+++ b/objc/core/A0LockReact.m
@@ -56,10 +56,13 @@ - (void)hideWithCallback:(A0LockCallback)callback {
             return;
         }
         UIViewController *controller = [[[[UIApplication sharedApplication] windows] firstObject] rootViewController];
-        [controller dismissViewControllerAnimated:YES completion:nil];
-        self.shown = NO;
+        [controller dismissViewControllerAnimated:YES completion:^{
+            self.shown = NO;
+            callback(@[]);
+        }];
+    } else {
+        callback(@[]);
     }
-    callback(@[]);
 }
 
 - (void)showWithOptions:(NSDictionary *)options callback:(A0LockCallback)callback {