RNNEventEmitter.m

#import "RNNEventEmitter.h"
#import "RNNUtils.h"

@implementation RNNEventEmitter {
    NSInteger _appLaunchedListenerCount;
    BOOL _appLaunchedEventDeferred;
}

RCT_EXPORT_MODULE();

static NSString *const AppLaunched = @"RNN.AppLaunched";
static NSString *const CommandCompleted = @"RNN.CommandCompleted";
static NSString *const BottomTabSelected = @"RNN.BottomTabSelected";
static NSString *const BottomTabLongPressed = @"RNN.BottomTabLongPressed";
static NSString *const ComponentWillAppear = @"RNN.ComponentWillAppear";
static NSString *const ComponentDidAppear = @"RNN.ComponentDidAppear";
static NSString *const ComponentDidDisappear = @"RNN.ComponentDidDisappear";
static NSString *const NavigationButtonPressed = @"RNN.NavigationButtonPressed";
static NSString *const ModalDismissed = @"RNN.ModalDismissed";
static NSString *const ModalAttemptedToDismiss = @"RNN.ModalAttemptedToDismiss";
static NSString *const SearchBarUpdated = @"RNN.SearchBarUpdated";
static NSString *const SearchBarCancelPressed = @"RNN.SearchBarCancelPressed";
static NSString *const PreviewCompleted = @"RNN.PreviewCompleted";
static NSString *const ScreenPopped = @"RNN.ScreenPopped";
static NSString *const BottomTabPressed = @"RNN.BottomTabPressed";

- (NSArray<NSString *> *)supportedEvents {
    return @[
        AppLaunched, CommandCompleted, BottomTabSelected, BottomTabLongPressed, BottomTabPressed,
        ComponentWillAppear, ComponentDidAppear, ComponentDidDisappear, NavigationButtonPressed,
        ModalDismissed, SearchBarUpdated, SearchBarCancelPressed, PreviewCompleted, ScreenPopped,
        ModalAttemptedToDismiss
    ];
}

#pragma mark public

- (void)sendOnAppLaunched {
    if (_appLaunchedListenerCount > 0) {
        [self send:AppLaunched body:nil];
    } else {
        _appLaunchedEventDeferred = TRUE;
    }
}

- (void)sendComponentWillAppear:(NSString *)componentId
                  componentName:(NSString *)componentName
                  componentType:(NSString *)componentType {
    [self send:ComponentWillAppear
          body:@{
              @"componentId" : componentId,
              @"componentName" : componentName,
              @"componentType" : componentType
          }];
}

- (void)sendComponentDidAppear:(NSString *)componentId
                 componentName:(NSString *)componentName
                 componentType:(NSString *)componentType {
    [self send:ComponentDidAppear
          body:@{
              @"componentId" : componentId,
              @"componentName" : componentName,
              @"componentType" : componentType
          }];
}

- (void)sendComponentDidDisappear:(NSString *)componentId
                    componentName:(NSString *)componentName
                    componentType:(NSString *)componentType {
    [self send:ComponentDidDisappear
          body:@{
              @"componentId" : componentId,
              @"componentName" : componentName,
              @"componentType" : componentType
          }];
}

- (void)sendOnNavigationButtonPressed:(NSString *)componentId buttonId:(NSString *)buttonId {
    [self send:NavigationButtonPressed
          body:@{@"componentId" : componentId, @"buttonId" : buttonId}];
}

- (void)sendBottomTabSelected:(NSNumber *)selectedTabIndex
                   unselected:(NSNumber *)unselectedTabIndex {
    [self
        send:BottomTabSelected
        body:@{@"selectedTabIndex" : selectedTabIndex, @"unselectedTabIndex" : unselectedTabIndex}];
}

- (void)sendBottomTabLongPressed:(NSNumber *)selectedTabIndex {
    [self send:BottomTabLongPressed body:@{@"selectedTabIndex" : selectedTabIndex}];
}

- (void)sendBottomTabPressed:(NSNumber *)tabIndex {
    [self send:BottomTabPressed body:@{@"tabIndex" : tabIndex}];
}

- (void)sendOnNavigationCommandCompletion:(NSString *)commandName commandId:(NSString *)commandId {
    [self send:CommandCompleted
          body:@{
              @"commandId" : commandId,
              @"commandName" : commandName,
              @"completionTime" : [RNNUtils getCurrentTimestamp]
          }];
}

- (void)sendOnSearchBarUpdated:(NSString *)componentId
                          text:(NSString *)text
                     isFocused:(BOOL)isFocused {
    [self send:SearchBarUpdated
          body:@{@"componentId" : componentId, @"text" : text, @"isFocused" : @(isFocused)}];
}

- (void)sendOnSearchBarCancelPressed:(NSString *)componentId {
    [self send:SearchBarCancelPressed body:@{@"componentId" : componentId}];
}

- (void)sendOnPreviewCompleted:(NSString *)componentId
            previewComponentId:(NSString *)previewComponentId {
    [self send:PreviewCompleted
          body:@{@"componentId" : componentId, @"previewComponentId" : previewComponentId}];
}

- (void)sendModalsDismissedEvent:(NSString *)componentId
         numberOfModalsDismissed:(NSNumber *)modalsDismissed {
    if (componentId) {
        [self send:ModalDismissed
              body:@{@"componentId" : componentId, @"modalsDismissed" : modalsDismissed}];
    }
}

- (void)sendModalAttemptedToDismissEvent:(NSString *)componentId {
    [self send:ModalAttemptedToDismiss
          body:@{
              @"componentId" : componentId,
          }];
}

- (void)sendScreenPoppedEvent:(NSString *)componentId {
    [self send:ScreenPopped body:@{@"componentId" : componentId}];
}

- (void)addListener:(NSString *)eventName {
    [super addListener:eventName];
    if ([eventName isEqualToString:AppLaunched]) {
        _appLaunchedListenerCount++;
        if (_appLaunchedEventDeferred) {
            _appLaunchedEventDeferred = FALSE;
            [self sendOnAppLaunched];
        }
    }
}

#pragma mark private

- (void)send:(NSString *)eventName body:(id)body {
    if (self.bridge == nil) {
        return;
    }
    [self sendEventWithName:eventName body:body];
}

@end