V2 async commands (#2407)

* async commands for all events

* test fix

lib/ios/RNNBridgeModule.m

 
 #pragma mark - JS interface
 
-RCT_EXPORT_METHOD(setRoot:(NSDictionary*)layout) {
-	[_commandsHandler setRoot:layout];
+RCT_EXPORT_METHOD(setRoot:(NSDictionary*)layout resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+	[_commandsHandler setRoot:layout completion:^{
+		resolve(layout);
+	}];
 }
 
-RCT_EXPORT_METHOD(setOptions:(NSString*)containerId options:(NSDictionary*)options) {
-	[_commandsHandler setOptions:containerId options:options];
+RCT_EXPORT_METHOD(setOptions:(NSString*)containerId options:(NSDictionary*)options resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+	[_commandsHandler setOptions:containerId options:options completion:^{
+		resolve(containerId);
+	}];
 }
 
 RCT_EXPORT_METHOD(push:(NSString*)containerId layout:(NSDictionary*)layout resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
-	[_commandsHandler push:containerId layout:layout completion:^(id result) {
-		resolve(result);
+	[_commandsHandler push:containerId layout:layout completion:^{
+		resolve(containerId);
 	}];
 }
 
-RCT_EXPORT_METHOD(pop:(NSString*)containerId options:(NSDictionary*)options) {
-	[_commandsHandler pop:containerId options:(NSDictionary*)options];
+RCT_EXPORT_METHOD(pop:(NSString*)containerId options:(NSDictionary*)options resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+	[_commandsHandler pop:containerId options:(NSDictionary*)options completion:^{
+		resolve(containerId);
+	}];
 }
 
-RCT_EXPORT_METHOD(popTo:(NSString*)containerId) {
-	[_commandsHandler popTo:containerId];
+RCT_EXPORT_METHOD(popTo:(NSString*)containerId resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+	[_commandsHandler popTo:containerId completion:^{
+		resolve(containerId);
+	}];
 }
 
-RCT_EXPORT_METHOD(popToRoot:(NSString*)containerId) {
-	[_commandsHandler popToRoot:containerId];
+RCT_EXPORT_METHOD(popToRoot:(NSString*)containerId resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+	[_commandsHandler popToRoot:containerId completion:^{
+		resolve(containerId);
+	}];
 }
 
 RCT_EXPORT_METHOD(showModal:(NSDictionary*)layout resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
-	[_commandsHandler showModal:layout completion:^(id containerID) {
-		resolve(containerID);
+	[_commandsHandler showModal:layout completion:^{
+		resolve(nil);
 	}];
 }
 
-RCT_EXPORT_METHOD(dismissModal:(NSString*)containerId) {
-	[_commandsHandler dismissModal:containerId];
+RCT_EXPORT_METHOD(dismissModal:(NSString*)containerId resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+	[_commandsHandler dismissModal:containerId completion:^{
+		resolve(containerId);
+	}];
 }
 
-RCT_EXPORT_METHOD(dismissAllModals) {
-	[_commandsHandler dismissAllModals];
+RCT_EXPORT_METHOD(dismissAllModals:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+	[_commandsHandler dismissAllModalsWithCompletion:^{
+		resolve(nil);
+	}];
 }
 
 @end

lib/ios/RNNCommandsHandler.h

 
 -(instancetype) initWithStore:(RNNStore*)store controllerFactory:(RNNControllerFactory*)controllerFactory andBridge:(RCTBridge*)bridge;
 
--(void) setRoot:(NSDictionary*)layout;
+-(void) setRoot:(NSDictionary*)layout completion:(RNNTransitionCompletionBlock)completion;
 
--(void) setOptions:(NSString*)containerId options:(NSDictionary*)options;
+-(void) setOptions:(NSString*)containerId options:(NSDictionary*)options completion:(RNNTransitionCompletionBlock)completion;
 
 -(void) push:(NSString*)containerId layout:(NSDictionary*)layout completion:(RNNTransitionCompletionBlock)completion;
 
--(void) pop:(NSString*)containerId options:(NSDictionary*)options;
+-(void) pop:(NSString*)containerId options:(NSDictionary*)options completion:(RNNTransitionCompletionBlock)completion;
 
--(void) popTo:(NSString*)containerId;
+-(void) popTo:(NSString*)containerId completion:(RNNTransitionCompletionBlock)completion;
 
--(void) popToRoot:(NSString*)containerId;
+-(void) popToRoot:(NSString*)containerId completion:(RNNTransitionCompletionBlock)completion;
 
 -(void) showModal:(NSDictionary*)layout completion:(RNNTransitionCompletionBlock)completion;
 
--(void) dismissModal:(NSString*)containerId;
+-(void) dismissModal:(NSString*)containerId completion:(RNNTransitionCompletionBlock)completion;
 
--(void) dismissAllModals;
+-(void) dismissAllModalsWithCompletion:(RNNTransitionCompletionBlock)completion;
 
 @end

lib/ios/RNNCommandsHandler.m

 
 #pragma mark - public
 
--(void) setRoot:(NSDictionary*)layout {
+-(void) setRoot:(NSDictionary*)layout completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
-
+	
 	[_modalManager dismissAllModals];
 	
 	UIViewController *vc = [_controllerFactory createLayoutAndSaveToStore:layout];
 	
 	UIApplication.sharedApplication.delegate.window.rootViewController = vc;
 	[UIApplication.sharedApplication.delegate.window makeKeyAndVisible];
+	completion();
 }
 
--(void) setOptions:(NSString*)containerId options:(NSDictionary*)options {
+-(void) setOptions:(NSString*)containerId options:(NSDictionary*)options completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
 	
 	UIViewController* vc = [_store findContainerForId:containerId];
 	if([vc isKindOfClass:[RNNRootViewController class]]) {
 		RNNRootViewController* rootVc = (RNNRootViewController*)vc;
 		[rootVc.navigationOptions mergeWith:options];
+		[CATransaction begin];
+		[CATransaction setCompletionBlock:completion];
+		
 		[rootVc.navigationOptions applyOn:vc];
 		[rootVc applyNavigationButtons];
+		
+		[CATransaction commit];
 	}
 }
 
 	[_navigationStackManager push:newVc onTop:containerId completion:completion];
 }
 
--(void)pop:(NSString*)containerId options:(NSDictionary*)options{
+-(void)pop:(NSString*)containerId options:(NSDictionary*)options completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
+	[CATransaction begin];
+	[CATransaction setCompletionBlock:completion];
 	NSDictionary* animationData = options[@"customTransition"];
 	if (animationData){
 		if ([animationData objectForKey:@"animations"]) {
 	} else {
 		[_navigationStackManager pop:containerId withAnimationData:nil];
 	}
-	
+	[CATransaction commit];
 }
 
--(void) popTo:(NSString*)containerId {
+-(void) popTo:(NSString*)containerId completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
+	[CATransaction begin];
+	[CATransaction setCompletionBlock:completion];
 	
 	[_navigationStackManager popTo:containerId];
+	
+	[CATransaction commit];
 }
 
--(void) popToRoot:(NSString*)containerId {
+-(void) popToRoot:(NSString*)containerId completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
+	[CATransaction begin];
+	[CATransaction setCompletionBlock:completion];
 	
 	[_navigationStackManager popToRoot:containerId];
+	
+	[CATransaction commit];
 }
 
 -(void) showModal:(NSDictionary*)layout completion:(RNNTransitionCompletionBlock)completion {
 	[_modalManager showModal:newVc completion:completion];
 }
 
--(void) dismissModal:(NSString*)containerId {
+-(void) dismissModal:(NSString*)containerId completion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
+	[CATransaction begin];
+	[CATransaction setCompletionBlock:completion];
 	
 	[_modalManager dismissModal:containerId];
+	
+	[CATransaction commit];
 }
 
--(void) dismissAllModals {
+-(void) dismissAllModalsWithCompletion:(RNNTransitionCompletionBlock)completion {
 	[self assertReady];
+	[CATransaction begin];
+	[CATransaction setCompletionBlock:completion];
 	
 	[_modalManager dismissAllModals];
+	
+	[CATransaction commit];
 }
 
 #pragma mark - private

lib/ios/RNNModalManager.m

 	UIViewController *topVC = [self topPresentedVC];
 	[topVC presentViewController:self.toVC animated:YES completion:^{
 		if (_completionBlock) {
-			_completionBlock([_store containerKeyForInstance:self.toVC]);
+			_completionBlock();
+			_completionBlock = nil;
 		}
 	}];
 }

lib/ios/RNNNavigationStackManager.m

 	[CATransaction begin];
 	[CATransaction setCompletionBlock:^{
 		if (_completionBlock) {
-			_completionBlock(self.toVC.containerId);
+			_completionBlock();
 			_completionBlock = nil;
 		}
 	}];

lib/ios/RNNStore.h

 #import <UIKit/UIKit.h>
 #import "RNNRootViewController.h"
 
-typedef void (^RNNTransitionCompletionBlock)(id result);
+typedef void (^RNNTransitionCompletionBlock)(void);
 
 @interface RNNStore : NSObject
 

lib/ios/ReactNativeNavigationTests/RNNCommandsHandlerTest.m

 	NSDictionary* dictFromJs = @{@"topBar": @{@"backgroundColor" :@(0xFFFF0000)}};
 	UIColor* expectedColor = [UIColor colorWithRed:1 green:0 blue:0 alpha:1];
 
-	[self.uut setOptions:@"containerId" options:dictFromJs];
-
-	XCTAssertTrue([vc.navigationItem.title isEqual:@"the title"]);
-	XCTAssertTrue([nav.navigationBar.barTintColor isEqual:expectedColor]);
+	[self.uut setOptions:@"containerId" options:dictFromJs completion:^{
+		XCTAssertTrue([vc.navigationItem.title isEqual:@"the title"]);
+		XCTAssertTrue([nav.navigationBar.barTintColor isEqual:expectedColor]);
+	}];
 }
 
 @end