136 lines
2.9 KiB
Objective-C
Executable File
136 lines
2.9 KiB
Objective-C
Executable File
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "AppReadiness.h"
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#import "AppContext.h"
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#import <SignalCoreKit/SignalCoreKit.h>
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#import <SignalCoreKit/Threading.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface AppReadiness ()
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@property (atomic) BOOL isAppReady;
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@property (nonatomic) NSMutableArray<AppReadyBlock> *appWillBecomeReadyBlocks;
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@property (nonatomic) NSMutableArray<AppReadyBlock> *appDidBecomeReadyBlocks;
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@end
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#pragma mark -
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@implementation AppReadiness
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+ (instancetype)sharedManager
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{
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static AppReadiness *sharedMyManager = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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sharedMyManager = [[self alloc] initDefault];
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});
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return sharedMyManager;
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}
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- (instancetype)initDefault
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{
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self = [super init];
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if (!self) {
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return self;
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}
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self.appWillBecomeReadyBlocks = [NSMutableArray new];
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self.appDidBecomeReadyBlocks = [NSMutableArray new];
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return self;
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}
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+ (BOOL)isAppReady
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{
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return [self.sharedManager isAppReady];
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}
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+ (void)runNowOrWhenAppWillBecomeReady:(AppReadyBlock)block
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{
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DispatchMainThreadSafe(^{
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[self.sharedManager runNowOrWhenAppWillBecomeReady:block];
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});
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}
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- (void)runNowOrWhenAppWillBecomeReady:(AppReadyBlock)block
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{
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if (CurrentAppContext().isRunningTests) {
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// We don't need to do any "on app ready" work in the tests.
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return;
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}
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if (self.isAppReady) {
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block();
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return;
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}
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[self.appWillBecomeReadyBlocks addObject:block];
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}
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+ (void)runNowOrWhenAppDidBecomeReadySync:(AppReadyBlock)block
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{
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DispatchSyncMainThreadSafe(^{
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[self.sharedManager runNowOrWhenAppDidBecomeReady:block];
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});
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}
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+ (void)runNowOrWhenAppDidBecomeReady:(AppReadyBlock)block
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{
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DispatchMainThreadSafe(^{
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[self.sharedManager runNowOrWhenAppDidBecomeReady:block];
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});
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}
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- (void)runNowOrWhenAppDidBecomeReady:(AppReadyBlock)block
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{
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if (CurrentAppContext().isRunningTests) {
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// We don't need to do any "on app ready" work in the tests.
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return;
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}
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if (self.isAppReady) {
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block();
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return;
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}
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[self.appDidBecomeReadyBlocks addObject:block];
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}
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+ (void)setAppIsReady
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{
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[self.sharedManager setAppIsReady];
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}
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- (void)setAppIsReady
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{
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self.isAppReady = YES;
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[self runAppReadyBlocks];
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}
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- (void)runAppReadyBlocks
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{
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NSArray<AppReadyBlock> *appWillBecomeReadyBlocks = [self.appWillBecomeReadyBlocks copy];
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[self.appWillBecomeReadyBlocks removeAllObjects];
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NSArray<AppReadyBlock> *appDidBecomeReadyBlocks = [self.appDidBecomeReadyBlocks copy];
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[self.appDidBecomeReadyBlocks removeAllObjects];
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// We invoke the _will become_ blocks before the _did become_ blocks.
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for (AppReadyBlock block in appWillBecomeReadyBlocks) {
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block();
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}
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for (AppReadyBlock block in appDidBecomeReadyBlocks) {
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block();
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}
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}
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@end
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NS_ASSUME_NONNULL_END
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