71 lines
1.9 KiB
Objective-C
71 lines
1.9 KiB
Objective-C
//
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// SCContextAwareSnapCreationThrottleRequest.m
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// SCCamera
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//
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// Created by Cheng Jiang on 4/24/18.
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//
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#import "SCContextAwareSnapCreationThrottleRequest.h"
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#import <SCFoundation/SCAssertWrapper.h>
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#import <SCFoundation/SCContextAwareTaskManagementResourceProvider.h>
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#import <SCFoundation/SCZeroDependencyExperiments.h>
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#import <Tweaks/FBTweakInline.h>
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BOOL SCCATMSnapCreationEnabled(void)
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{
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static dispatch_once_t capturingOnceToken;
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static BOOL capturingImprovementEnabled;
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dispatch_once(&capturingOnceToken, ^{
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BOOL enabledWithAB = SCExperimentWithContextAwareTaskManagementCapturingImprovementEnabled();
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NSInteger tweakOption = [FBTweakValue(@"CATM", @"Performance Improvement", @"Capturing", (id) @0,
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(@{ @0 : @"Respect A/B",
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@1 : @"YES",
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@2 : @"NO" })) integerValue];
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switch (tweakOption) {
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case 0:
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capturingImprovementEnabled = enabledWithAB;
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break;
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case 1:
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capturingImprovementEnabled = YES;
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break;
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case 2:
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capturingImprovementEnabled = NO;
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break;
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default:
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SCCAssertFail(@"Illegal option");
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}
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});
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return capturingImprovementEnabled;
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}
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@implementation SCContextAwareSnapCreationThrottleRequest {
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NSString *_requestID;
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}
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- (instancetype)init
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{
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if (self = [super init]) {
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_requestID = @"SCContextAwareSnapCreationThrottleRequest";
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}
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return self;
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}
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- (BOOL)shouldThrottle:(SCApplicationContextState)context
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{
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return SCCATMSnapCreationEnabled() && context != SCApplicationContextStateCamera;
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}
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- (NSString *)requestID
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{
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return _requestID;
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}
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- (BOOL)isEqual:(id<SCContextAwareThrottleRequest>)object
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{
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return [[object requestID] isEqualToString:_requestID];
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}
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@end
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