2014 snapchat source code
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

83 lines
2.3 KiB

//
// SCSnapCreationTriggers.m
// Snapchat
//
// Created by Cheng Jiang on 3/30/18.
//
#import "SCSnapCreationTriggers.h"
#import "SCContextAwareSnapCreationThrottleRequest.h"
#import <SCBase/SCMacros.h>
#import <SCFoundation/SCContextAwareThrottleRequester.h>
#import <SCFoundation/SCLog.h>
#import <SCFoundation/SCQueuePerformer.h>
@implementation SCSnapCreationTriggers {
BOOL _snapCreationStarted;
BOOL _previewAnimationFinished;
BOOL _previewImageSetupFinished;
BOOL _previewVideoFirstFrameRendered;
}
- (void)markSnapCreationStart
{
SC_GUARD_ELSE_RUN_AND_RETURN(
!_snapCreationStarted,
SCLogCoreCameraWarning(@"markSnapCreationStart skipped because previous SnapCreation session is not complete"));
@synchronized(self)
{
_snapCreationStarted = YES;
}
[[SCContextAwareThrottleRequester shared] submitSuspendRequest:[SCContextAwareSnapCreationThrottleRequest new]];
}
- (void)markSnapCreationPreviewAnimationFinish
{
@synchronized(self)
{
_previewAnimationFinished = YES;
if (_previewImageSetupFinished || _previewVideoFirstFrameRendered) {
[self markSnapCreationEndWithContext:@"markSnapCreationPreviewAnimationFinish"];
}
}
}
- (void)markSnapCreationPreviewImageSetupFinish
{
@synchronized(self)
{
_previewImageSetupFinished = YES;
if (_previewAnimationFinished) {
[self markSnapCreationEndWithContext:@"markSnapCreationPreviewImageSetupFinish"];
}
}
}
- (void)markSnapCreationPreviewVideoFirstFrameRenderFinish
{
@synchronized(self)
{
_previewVideoFirstFrameRendered = YES;
if (_previewAnimationFinished) {
[self markSnapCreationEndWithContext:@"markSnapCreationPreviewVideoFirstFrameRenderFinish"];
}
}
}
- (void)markSnapCreationEndWithContext:(NSString *)context
{
SC_GUARD_ELSE_RETURN(_snapCreationStarted);
SCLogCoreCameraInfo(@"markSnapCreationEnd triggered with context: %@", context);
@synchronized(self)
{
_snapCreationStarted = NO;
_previewAnimationFinished = NO;
_previewImageSetupFinished = NO;
_previewVideoFirstFrameRendered = NO;
}
[[SCContextAwareThrottleRequester shared] submitResumeRequest:[SCContextAwareSnapCreationThrottleRequest new]];
}
@end