#import "WGRunLoopVC.h"

#import "WGThread.h"

#import "WGRunLoopSecondVC.h"

#import "WGProxy.h"

@interface WGRunLoopVC ()

@property(nonatomic, strong) WGThread *thread;

@property(nonatomic, strong) NSPort *port;

@property(nonatomic, assign) BOOL stopRunLoop;

@implementation WGRunLoopVC

- (void)viewDidLoad {

[super viewDidLoad];

self.view.backgroundColor = [UIColor redColor];

_port = [NSMachPort port];

self.stopRunLoop = NO;

_thread = [[WGThread alloc]initWithTarget:self selector:@selector(threadTest) object:nil];

[_thread start];

}

-(void)threadTest {

NSLog(@"当前子线程开始执行任务");

@autoreleasepool {

NSRunLoop *currentThreadRunLoop = [NSRunLoop currentRunLoop];

[currentThreadRunLoop addPort:_port forMode:NSRunLoopCommonModes];

[self addObserverForCurrentRunloop];

[self performSelector:@selector(removeThread) withObject:nil afterDelay:10.0];

while (!self.stopRunLoop) {

[currentThreadRunLoop runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];

};

NSLog(@"========");

}

}

-(void)removeThread {

NSLog(@"---%s---",__func__);

_stopRunLoop = YES;

CFRunLoopStop(CFRunLoopGetCurrent());

}

-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {

[self performSelector:@selector(threadTask) onThread:self.thread withObject:nil waitUntilDone:NO];

}

-(void)threadTask {

NSLog(@"在保活的线程下执行了任务");

}

-(void)dealloc {

NSLog(@"页面销毁了");

}

-(void)addObserverForCurrentRunloop {

CFRunLoopObserverContext context = { 0, (__bridge void *)(self), NULL, NULL };

CFRunLoopObserverRef observer = CFRunLoopObserverCreate(kCFAllocatorDefault, kCFRunLoopAllActivities, YES, 0, &runLoopCallBack, &context);

CFRunLoopAddObserver(CFRunLoopGetCurrent(), observer, kCFRunLoopCommonModes);

}

static void runLoopCallBack(CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *info) {

NSString *str;

switch (activity) {

case kCFRunLoopEntry:

str = @"Entry";

break;

case kCFRunLoopBeforeTimers:

str = @"BeforeTimers";

break;

case kCFRunLoopBeforeSources:

str = @"BeforeSources";

break;

case kCFRunLoopBeforeWaiting:

str = @"BeforeWaiting";

break;

case kCFRunLoopAfterWaiting:

str = @"AfterWaiting";

break;

case kCFRunLoopExit:

str = @"Exit";

break;

default:

break;

}

NSLog(@"current RunLoop activity: %@",str);

}