153 lines
4.0 KiB
Plaintext
153 lines
4.0 KiB
Plaintext
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RCTAppState.h"
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#import <FBReactNativeSpec/FBReactNativeSpec.h>
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#import <React/RCTAssert.h>
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#import <React/RCTBridge.h>
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#import <React/RCTEventDispatcherProtocol.h>
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#import <React/RCTUtils.h>
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#import "CoreModulesPlugins.h"
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static NSString *RCTCurrentAppState()
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{
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static NSDictionary *states;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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states = @{@(UIApplicationStateActive) : @"active", @(UIApplicationStateBackground) : @"background"};
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});
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if (RCTRunningInAppExtension()) {
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return @"extension";
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}
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return states[@(RCTSharedApplication().applicationState)] ?: @"unknown";
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}
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@interface RCTAppState () <NativeAppStateSpec>
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@end
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@implementation RCTAppState {
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NSString *_lastKnownState;
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}
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RCT_EXPORT_MODULE()
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+ (BOOL)requiresMainQueueSetup
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{
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return YES;
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}
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- (dispatch_queue_t)methodQueue
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{
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return dispatch_get_main_queue();
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}
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- (facebook::react::ModuleConstants<JS::NativeAppState::Constants>)constantsToExport
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{
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return (facebook::react::ModuleConstants<JS::NativeAppState::Constants>)[self getConstants];
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}
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- (facebook::react::ModuleConstants<JS::NativeAppState::Constants>)getConstants
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{
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__block facebook::react::ModuleConstants<JS::NativeAppState::Constants> constants;
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RCTUnsafeExecuteOnMainQueueSync(^{
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constants = facebook::react::typedConstants<JS::NativeAppState::Constants>({
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.initialAppState = RCTCurrentAppState(),
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});
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});
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return constants;
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}
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#pragma mark - Lifecycle
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- (NSArray<NSString *> *)supportedEvents
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{
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return @[ @"appStateDidChange", @"memoryWarning" ];
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}
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- (void)startObserving
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{
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for (NSString *name in @[
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UIApplicationDidBecomeActiveNotification,
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UIApplicationDidEnterBackgroundNotification,
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UIApplicationDidFinishLaunchingNotification,
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UIApplicationWillResignActiveNotification,
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UIApplicationWillEnterForegroundNotification
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]) {
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(handleAppStateDidChange:)
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name:name
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object:nil];
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}
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(handleMemoryWarning)
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name:UIApplicationDidReceiveMemoryWarningNotification
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object:nil];
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}
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- (void)stopObserving
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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#pragma mark - App Notification Methods
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- (void)handleMemoryWarning
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{
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if ([self canSendEvents_DEPRECATED]) {
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[self sendEventWithName:@"memoryWarning" body:nil];
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}
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}
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- (void)handleAppStateDidChange:(NSNotification *)notification
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{
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NSString *newState;
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if ([notification.name isEqualToString:UIApplicationWillResignActiveNotification]) {
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newState = @"inactive";
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} else if ([notification.name isEqualToString:UIApplicationWillEnterForegroundNotification]) {
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newState = @"background";
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} else {
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newState = RCTCurrentAppState();
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}
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if (![newState isEqualToString:_lastKnownState]) {
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_lastKnownState = newState;
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if ([self canSendEvents_DEPRECATED]) {
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[self sendEventWithName:@"appStateDidChange" body:@{@"app_state" : _lastKnownState}];
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}
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}
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}
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#pragma mark - Public API
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/**
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* Get the current background/foreground state of the app
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*/
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RCT_EXPORT_METHOD(getCurrentAppState : (RCTResponseSenderBlock)callback error : (__unused RCTResponseSenderBlock)error)
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{
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callback(@[ @{@"app_state" : RCTCurrentAppState()} ]);
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}
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- (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:
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(const facebook::react::ObjCTurboModule::InitParams &)params
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{
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return std::make_shared<facebook::react::NativeAppStateSpecJSI>(params);
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}
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@end
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Class RCTAppStateCls(void)
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{
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return RCTAppState.class;
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}
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