refactor #833

ios/RNNBridgeModule.m

 #import "RNNReactRootViewCreator.h"
 #import "RNNStore.h"
 #import "RNNModalManager.h"
+#import "RNNNavigationStackManager.h"
 
 @implementation RNNBridgeModule
 
 	RNNControllerFactory *factory = [[RNNControllerFactory alloc] initWithRootViewCreator:[RNNReactRootViewCreator new] store:[RNN instance].store];
 	UIViewController *newVc = [factory createLayoutAndSaveToStore:layout];
 	UIViewController *vc = [[RNN instance].store findContainerForId:containerId];
-	
-	[[vc navigationController] pushViewController:newVc animated:true];
+
+	[[[RNNNavigationStackManager alloc] initWithStore:[RNN instance].store] push:newVc onTop:vc animated:YES];
 }
 
 RCT_EXPORT_METHOD(pop:(NSString*)containerId)
 {
 	[self assertReady];
 	UIViewController *vc = [[RNN instance].store findContainerForId:containerId];
-	
-	if([[vc navigationController] topViewController] == vc ) {
-		[[vc navigationController] popViewControllerAnimated:YES];
-	}
-	else {
-		NSMutableArray * vcs = [vc navigationController].viewControllers.mutableCopy;
-		[vcs removeObject:vc];
-		[[vc navigationController] setViewControllers:vcs animated:NO];
-	}
+	[[[RNNNavigationStackManager alloc] initWithStore:[RNN instance].store] pop:vc animated:YES];
 	[[RNN instance].store removeContainer:containerId];
 }
 

ios/RNNModalManager.h

 
 -(instancetype)initWithStore:(RNNStore*)store;
 
-
 -(void)showModal:(UIViewController*)viewController;
 -(void)dismissModal:(NSString*)containerId;
 -(void)dismissAllModals;

ios/RNNNavigationStackManager.h

+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import "RNNStore.h"
+
+@interface RNNNavigationStackManager : NSObject
+
+-(instancetype)initWithStore:(RNNStore*)store;
+
+-(void)push:(UIViewController*)newTop onTop:(UIViewController*)currentTop animated:(BOOL)animated;
+-(void)pop:(UIViewController*)vc animated:(BOOL)animated;
+
+@end

ios/RNNNavigationStackManager.m

+#import "RNNNavigationStackManager.h"
+
+@interface RNNNavigationStackManager ()
+
+@property RNNStore *store;
+
+@end
+
+
+@implementation RNNNavigationStackManager
+
+
+-(instancetype)initWithStore:(RNNStore*)store {
+	self = [super init];
+	self.store = store;
+	return self;
+}
+
+-(void)push:(UIViewController*)newTop onTop:(UIViewController*)currentTop animated:(BOOL)animated{
+	
+	[[currentTop navigationController] pushViewController:newTop animated:animated];
+}
+
+
+-(void)pop:(UIViewController*)vc animated:(BOOL)animated{
+	
+	if([[vc navigationController] topViewController] == vc ) {
+		[[vc navigationController] popViewControllerAnimated:animated];
+	}
+	else {
+		NSMutableArray * vcs = [vc navigationController].viewControllers.mutableCopy;
+		[vcs removeObject:vc];
+		[[vc navigationController] setViewControllers:vcs animated:animated];
+	}
+}
+
+
+
+@end

ios/ReactNativeNavigation.xcodeproj/project.pbxproj

 /* Begin PBXBuildFile section */
 		261F0E641E6EC94900989DE2 /* RNNModalManager.h in Headers */ = {isa = PBXBuildFile; fileRef = 261F0E621E6EC94900989DE2 /* RNNModalManager.h */; };
 		261F0E651E6EC94900989DE2 /* RNNModalManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 261F0E631E6EC94900989DE2 /* RNNModalManager.m */; };
+		261F0E6A1E6F028A00989DE2 /* RNNNavigationStackManager.h in Headers */ = {isa = PBXBuildFile; fileRef = 261F0E681E6F028A00989DE2 /* RNNNavigationStackManager.h */; };
+		261F0E6B1E6F028A00989DE2 /* RNNNavigationStackManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 261F0E691E6F028A00989DE2 /* RNNNavigationStackManager.m */; };
 		263905AE1E4C6F440023D7D3 /* MMDrawerBarButtonItem.h in Headers */ = {isa = PBXBuildFile; fileRef = 2639058A1E4C6F440023D7D3 /* MMDrawerBarButtonItem.h */; };
 		263905AF1E4C6F440023D7D3 /* MMDrawerBarButtonItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 2639058B1E4C6F440023D7D3 /* MMDrawerBarButtonItem.m */; };
 		263905B01E4C6F440023D7D3 /* MMDrawerController+Subclass.h in Headers */ = {isa = PBXBuildFile; fileRef = 2639058C1E4C6F440023D7D3 /* MMDrawerController+Subclass.h */; };
 /* Begin PBXFileReference section */
 		261F0E621E6EC94900989DE2 /* RNNModalManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RNNModalManager.h; sourceTree = "<group>"; };
 		261F0E631E6EC94900989DE2 /* RNNModalManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RNNModalManager.m; sourceTree = "<group>"; };
+		261F0E681E6F028A00989DE2 /* RNNNavigationStackManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RNNNavigationStackManager.h; sourceTree = "<group>"; };
+		261F0E691E6F028A00989DE2 /* RNNNavigationStackManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RNNNavigationStackManager.m; sourceTree = "<group>"; };
 		2639058A1E4C6F440023D7D3 /* MMDrawerBarButtonItem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MMDrawerBarButtonItem.h; sourceTree = "<group>"; };
 		2639058B1E4C6F440023D7D3 /* MMDrawerBarButtonItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MMDrawerBarButtonItem.m; sourceTree = "<group>"; };
 		2639058C1E4C6F440023D7D3 /* MMDrawerController+Subclass.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "MMDrawerController+Subclass.h"; sourceTree = "<group>"; };
 			children = (
 				261F0E621E6EC94900989DE2 /* RNNModalManager.h */,
 				261F0E631E6EC94900989DE2 /* RNNModalManager.m */,
+				261F0E681E6F028A00989DE2 /* RNNNavigationStackManager.h */,
+				261F0E691E6F028A00989DE2 /* RNNNavigationStackManager.m */,
 				26916C941E4B9CCC00D13680 /* RNNRootViewCreator.h */,
 				26916C961E4B9E7700D13680 /* RNNReactRootViewCreator.h */,
 				26916C971E4B9E7700D13680 /* RNNReactRootViewCreator.m */,
 			isa = PBXHeadersBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				261F0E6A1E6F028A00989DE2 /* RNNNavigationStackManager.h in Headers */,
 				26916C981E4B9E7700D13680 /* RNNReactRootViewCreator.h in Headers */,
 				263905B01E4C6F440023D7D3 /* MMDrawerController+Subclass.h in Headers */,
 				7B1126A41E2D2B6C00F9B03B /* ReactNativeNavigation.h in Headers */,
 				263905C51E4C6F440023D7D3 /* SidebarFacebookAnimation.m in Sources */,
 				7BEF0D191E437684003E96B0 /* RNNRootViewController.m in Sources */,
 				263905C31E4C6F440023D7D3 /* SidebarAnimation.m in Sources */,
+				261F0E6B1E6F028A00989DE2 /* RNNNavigationStackManager.m in Sources */,
 				263905BF1E4C6F440023D7D3 /* RCCTheSideBarManagerViewController.m in Sources */,
 				7B1126A01E2D263F00F9B03B /* RNNEventEmitter.m in Sources */,
 				263905CB1E4C6F440023D7D3 /* SidebarLuvocracyAnimation.m in Sources */,