135 lines
4.2 KiB
Objective-C
135 lines
4.2 KiB
Objective-C
//
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// SCBlackCameraDetector.m
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// Snapchat
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//
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// Created by Derek Wang on 24/01/2018.
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//
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#import "SCBlackCameraDetector.h"
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#import "SCBlackCameraNoOutputDetector.h"
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#import "SCBlackCameraPreviewDetector.h"
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#import "SCBlackCameraRunningDetector.h"
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#import "SCBlackCameraSessionBlockDetector.h"
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#import "SCBlackCameraViewDetector.h"
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#import <SCFoundation/SCQueuePerformer.h>
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#if !TARGET_IPHONE_SIMULATOR
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static char *const kSCBlackCameraDetectorQueueLabel = "com.snapchat.black-camera-detector";
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#endif
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@interface SCBlackCameraDetector () {
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BOOL _sessionIsRunning;
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BOOL _cameraIsVisible;
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BOOL _previewIsVisible;
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}
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@property (nonatomic, strong) SCQueuePerformer *queuePerformer;
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@property (nonatomic, strong) SCBlackCameraViewDetector *cameraViewDetector;
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@property (nonatomic, strong) SCBlackCameraRunningDetector *sessionRunningDetector;
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@property (nonatomic, strong) SCBlackCameraPreviewDetector *previewDetector;
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@property (nonatomic, strong) SCBlackCameraSessionBlockDetector *sessionBlockDetector;
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@end
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@implementation SCBlackCameraDetector
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- (instancetype)initWithTicketCreator:(id<SCManiphestTicketCreator>)ticketCreator
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{
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#if !TARGET_IPHONE_SIMULATOR
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self = [super init];
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if (self) {
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_queuePerformer = [[SCQueuePerformer alloc] initWithLabel:kSCBlackCameraDetectorQueueLabel
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qualityOfService:QOS_CLASS_BACKGROUND
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queueType:DISPATCH_QUEUE_SERIAL
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context:SCQueuePerformerContextCamera];
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SCBlackCameraReporter *reporter = [[SCBlackCameraReporter alloc] initWithTicketCreator:ticketCreator];
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_cameraViewDetector = [[SCBlackCameraViewDetector alloc] initWithPerformer:_queuePerformer reporter:reporter];
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_sessionRunningDetector =
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[[SCBlackCameraRunningDetector alloc] initWithPerformer:_queuePerformer reporter:reporter];
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_previewDetector = [[SCBlackCameraPreviewDetector alloc] initWithPerformer:_queuePerformer reporter:reporter];
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_sessionBlockDetector = [[SCBlackCameraSessionBlockDetector alloc] initWithReporter:reporter];
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_blackCameraNoOutputDetector = [[SCBlackCameraNoOutputDetector alloc] initWithReporter:reporter];
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}
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return self;
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#else
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return nil;
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#endif
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}
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#pragma mark - Camera view visibility detector
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- (void)onCameraViewVisible:(BOOL)visible
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{
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SC_GUARD_ELSE_RETURN(visible != _cameraIsVisible);
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_cameraIsVisible = visible;
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[_cameraViewDetector onCameraViewVisible:visible];
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}
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- (void)onCameraViewVisibleWithTouch:(UIGestureRecognizer *)gesture
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{
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[_cameraViewDetector onCameraViewVisibleWithTouch:gesture];
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}
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#pragma mark - Track [AVCaptureSession startRunning] call
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- (void)sessionWillCallStartRunning
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{
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[_cameraViewDetector sessionWillCallStartRunning];
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[_sessionBlockDetector sessionWillCallStartRunning];
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}
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- (void)sessionDidCallStartRunning
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{
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[_sessionRunningDetector sessionDidCallStartRunning];
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[_sessionBlockDetector sessionDidCallStartRunning];
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}
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#pragma mark - Track [AVCaptureSession stopRunning] call
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- (void)sessionWillCallStopRunning
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{
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[_cameraViewDetector sessionWillCallStopRunning];
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[_sessionRunningDetector sessionWillCallStopRunning];
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}
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- (void)sessionDidCallStopRunning
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{
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}
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- (void)sessionDidChangeIsRunning:(BOOL)running
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{
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SC_GUARD_ELSE_RETURN(running != _sessionIsRunning);
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_sessionIsRunning = running;
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[_sessionRunningDetector sessionDidChangeIsRunning:running];
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[_previewDetector sessionDidChangeIsRunning:running];
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}
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#pragma mark - Capture preview visibility detector
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- (void)capturePreviewDidBecomeVisible:(BOOL)visible
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{
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SC_GUARD_ELSE_RETURN(visible != _previewIsVisible);
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_previewIsVisible = visible;
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[_previewDetector capturePreviewDidBecomeVisible:visible];
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}
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#pragma mark - AVCaptureSession block detector
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- (void)sessionWillCommitConfiguration
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{
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[_sessionBlockDetector sessionWillCommitConfiguration];
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}
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- (void)sessionDidCommitConfiguration
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{
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[_sessionBlockDetector sessionDidCommitConfiguration];
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}
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- (void)sessionWillRecreate
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{
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[_cameraViewDetector sessionWillRecreate];
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}
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- (void)sessionDidRecreate
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{
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[_cameraViewDetector sessionDidRecreate];
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}
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@end
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