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CDEvents+ReactiveCocoa でファイル監視
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Tomoki Aonuma
October 18, 2014
Programming
1
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CDEvents+ReactiveCocoa でファイル監視
Tomoki Aonuma
October 18, 2014
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Transcript
$%&WFOUT 3FBDUJWF$PDPB ͰϑΝΠϧࢹ 3FBDUJWF$PDPB5PLZP !VBTJ
ࣗݾհ!VBTJ *ODSFNFOUTגࣜձࣾ ੨পथ
w,PCJUPͰϑΝΠϧࢹ wΧελϜ$44 w%#ಉظ
'4&WFOUT"1*
FSEventStreamRef FSEventStreamCreate( CFAllocatorRef allocator, FSEventStreamCallback callback, FSEventStreamContext *context, CFArrayRef pathsToWatch,
FSEventStreamEventId sinceWhen, CFTimeInterval latency, FSEventStreamCreateFlags flags); $"1* UPPMPXMFWFM
$%&WFOUT /rastersize/CDEvents
self.events = [[CDEvents alloc] initWithURLs:URLs block:^(CDEvents *watcher, CDEvent *event) {
doSomething(); }];
$%&WFOUT 3"$&YUFOTJPOT git.io/-G5IKg
self.signal = [CDEvents rac_signalForEventsWithURLs: URLs]; [self.signal subscribeNext:^(RACTuple *t) { RACTupleUnpack(
CDEvents *watcher, CDEvent *event) = t; doSomething(); }];
self.events = [[CDEvents alloc] initWithURLs:URLs block:^(CDEvents *watcher, CDEvent *event) {
doSomething(); }]; ʢ࠶ܝʣ
w͘ͳͬͯΔ͚Ͳʜ wpMUFS wUISPUUMF w͑ͯศརʂʂʂ
+ rac_signalFor... { ... objc_setAssociatedObject( signal, // ←γάφϧ͕ _cmd, watcher,
// ←͍ͭ͜Λอ࣋ OBJC_ASSOCIATION_RETAIN); $%&WFOUTͷ Πϯελϯεʁ
MJCFYUPCKDͷ /jspahrsummers/libextobjc
!XFBLJGZ !TUSPOHJGZ
- (void)foo { @weakify(self); self.prop = ^{ @strongify(self); self =
...; } }
!PO&YJU\^
- (void)foo { @onExit { NSLog(@"3"); }; { @onExit {
NSLog(@"1"); }; } NSLog(@"2"); }
!DPODSFUFQSPUPDPM
@protocol NoDragDrop <NSObject>; @concrete - (NSUInteger)webView:...; @end ! @concreteprotocol(NoDragDrop) -
(NSUInteger)webView:... {...} @end ! @interface MyViewController () <NoDragDrop>; @end
Ά͍ͷΛ࡞ͬͨ
!PO%FBMMPD\^ !PO%FBMMPD0G0CKFDU \^ git.io/Yuip2Q
- (void)foo { @onDealloc { doSomething(); }; @onDeallocOfObject(bar) { doSomething();
}; }
- (void)foo { @onDealloc { doSomething(); }; }
- (void)foo { RACDisposable *disposable = [RACObserve()...]; @onDealloc { [disposable
dispose]; }; }
5IBOLZPV