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- #import "RNNEventEmitter.h"
-
- @implementation RNNEventEmitter {
- NSInteger _appLaunchedListenerCount;
- BOOL _appLaunchedEventDeferred;
- }
-
- RCT_EXPORT_MODULE();
-
- static NSString* const onAppLaunched = @"RNN.onAppLaunched";
- static NSString* const componentDidAppear = @"RNN.componentDidAppear";
- static NSString* const componentDidDisappear = @"RNN.componentDidDisappear";
- static NSString* const onNavigationButtonPressed = @"RNN.onNavigationButtonPressed";
- static NSString* const onNavigationCommand = @"RNN.onNavigationCommand";
- static NSString* const onNavigationEvent = @"RNN.onNavigationEvent";
-
- -(NSArray<NSString *> *)supportedEvents {
- return @[onAppLaunched, componentDidAppear, componentDidDisappear, onNavigationButtonPressed];
- }
-
- # pragma mark public
-
- -(void)sendOnAppLaunched {
- if (_appLaunchedListenerCount > 0) {
- [self send:onAppLaunched body:nil];
- } else {
- _appLaunchedEventDeferred = TRUE;
- }
- }
-
- -(void)sendComponentDidAppear:(NSString *)componentId componentName:(NSString *)componentName {
- [self send:componentDidAppear body:@{@"componentId":componentId, @"componentName": componentName}];
- }
-
- -(void)sendComponentDidDisappear:(NSString *)componentId componentName:(NSString *)componentName{
- [self send:componentDidDisappear body:@{@"componentId":componentId, @"componentName": componentName}];
- }
-
- -(void)sendOnNavigationButtonPressed:(NSString *)componentId buttonId:(NSString*)buttonId {
- [self send:onNavigationButtonPressed body:@{@"componentId":componentId , @"buttonId": buttonId}];
- }
-
- -(void)sendOnNavigationComment:(NSString *)commandName params:(NSDictionary*)params {
- [self send:onNavigationButtonPressed body:@{@"commandName":commandName , @"params": params}];
- }
-
- -(void)sendOnNavigationEvent:(NSString *)commandName params:(NSDictionary*)params {
- [self send:onNavigationEvent body:@{@"commandName":commandName , @"params": params}];
- }
-
- - (void)addListener:(NSString *)eventName {
- [super addListener:eventName];
- if ([eventName isEqualToString:onAppLaunched]) {
- _appLaunchedListenerCount++;
- if (_appLaunchedEventDeferred) {
- _appLaunchedEventDeferred = FALSE;
- [self sendOnAppLaunched];
- }
- }
- }
-
- # pragma mark private
-
- -(void)send:(NSString *)eventName body:(id)body {
- if ([eventName isEqualToString:componentDidDisappear] && self.bridge == nil) {
- return;
- }
- [self sendEventWithName:eventName body:body];
- }
-
- @end
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