mirror of
https://github.com/status-im/react-native.git
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6500ba7bfb
- [React Native] Fix incorrect if-statement in RCTGeolocation | Alex Akers - [ReactNative] s/ReactKit/React/g | Tadeu Zagallo - [React Native] View border support | Nick Lockwood - [Assets] Allow scripts to override assetRoots | Amjad Masad - [ReactNative] Navigator docs | Eric Vicenti - [ReactNative] License headers and renaming | Eric Vicenti - [React Native] Add CocoaPods spec | Tadeu Zagallo - Added explicit types for all view properties | Nick Lockwood - [ReactNative] s/ReactNavigator/Navigator/ | Tadeu Zagallo - [ReactNative] Add copyright header for code copied from the jQuery UI project | Martin Konicek - [ReactNative] PanResponder documentation | Eric Vicenti
91 lines
2.3 KiB
Objective-C
91 lines
2.3 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTAppState.h"
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#import "RCTAssert.h"
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#import "RCTBridge.h"
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#import "RCTEventDispatcher.h"
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static NSString *RCTCurrentAppBackgroundState()
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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 = @{
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@(UIApplicationStateActive): @"active",
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@(UIApplicationStateBackground): @"background",
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@(UIApplicationStateInactive): @"inactive"
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};
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});
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return states[@([[UIApplication sharedApplication] applicationState])] ?: @"unknown";
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}
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@implementation RCTAppState
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{
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NSString *_lastKnownState;
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}
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@synthesize bridge = _bridge;
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#pragma mark - Lifecycle
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- (instancetype)init
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{
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if ((self = [super init])) {
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_lastKnownState = RCTCurrentAppBackgroundState();
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for (NSString *name in @[UIApplicationDidBecomeActiveNotification,
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UIApplicationDidEnterBackgroundNotification,
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UIApplicationDidFinishLaunchingNotification]) {
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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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}
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return self;
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}
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- (void)dealloc
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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)handleAppStateDidChange
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{
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NSString *newState = RCTCurrentAppBackgroundState();
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if (![newState isEqualToString:_lastKnownState]) {
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_lastKnownState = newState;
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[_bridge.eventDispatcher sendDeviceEventWithName:@"appStateDidChange"
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body:@{@"app_state": _lastKnownState}];
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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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- (void)getCurrentAppState:(RCTResponseSenderBlock)callback
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error:(__unused RCTResponseSenderBlock)error
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{
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RCT_EXPORT();
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callback(@[@{@"app_state": _lastKnownState}]);
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}
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@end
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