adding MYSReady

MYSDeferred.h

@@ -0,0 +1,42 @@
+//
+//  FHSPromise.h
+//  Firehose
+//
+//  Created by Adam Kirk on 2/22/14.
+//  Copyright (c) 2014 Mysterious Trousers. All rights reserved.
+//
+
+
+typedef NS_ENUM(NSUInteger, FHSPromiseState) {
+    FHSPromiseStatePending,
+    FHSPromiseStateResolved,
+    FHSPromiseStateRejected
+};
+
+
+typedef void (^FHSPromiseHandler)(void);
+
+
+@interface MYSDeferred : NSObject
+
+@property (nonatomic, assign, readonly) FHSPromiseState state;
+
++ (instancetype)sharedDeferrerForActionName:(NSString *)actionName;
+
+- (MYSDeferred *)always:(FHSPromiseHandler)handler;
+
+- (MYSDeferred *)done:(FHSPromiseHandler)handler;
+
+- (MYSDeferred *)fail:(FHSPromiseHandler)handler;
+
+//- (FHSPromise *)then:(void (^)(id object))handler;
+
+//- (FHSPromise *)progress:(void (^)(id object))handler;
+
+//- (FHSPromise *)notify:(void (^)(id object))handler;
+
+- (void)reject;
+
+- (void)resolve;
+
+@end

MYSDeferred.m

@@ -0,0 +1,124 @@
+//
+//  FHSPromise.m
+//  Firehose
+//
+//  Created by Adam Kirk on 2/22/14.
+//  Copyright (c) 2014 Mysterious Trousers. All rights reserved.
+//
+
+#import "MYSDeferred.h"
+
+
+@interface MYSDeferred ()
+@property (nonatomic, assign) FHSPromiseState state;
+@property (nonatomic, copy  ) NSMutableArray  *alwaysHandlers;
+@property (nonatomic, copy  ) NSMutableArray  *doneHandlers;
+@property (nonatomic, copy  ) NSMutableArray  *failHandlers;
+@end
+
+
+@implementation MYSDeferred
+
+- (id)init
+{
+    self = [super init];
+    if (self) {
+        _state          = FHSPromiseStatePending;
+        _alwaysHandlers = [NSMutableArray new];
+        _doneHandlers   = [NSMutableArray new];
+        _failHandlers   = [NSMutableArray new];
+    }
+    return self;
+}
+
++ (instancetype)sharedDeferrerForActionName:(NSString *)actionName
+{
+    static NSMutableDictionary *__deferrers;
+
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        __deferrers = [NSMutableDictionary new];
+    });
+
+    if (!__deferrers[actionName]) {
+        __deferrers[actionName] = [MYSDeferred new];
+    }
+
+    return __deferrers[actionName];
+}
+
+- (MYSDeferred *)always:(FHSPromiseHandler)handler
+{
+    if (handler) {
+        if (self.state == FHSPromiseStateRejected || self.state == FHSPromiseStateResolved) {
+            handler();
+        }
+        else {
+            [self.alwaysHandlers addObject:handler];
+        }
+    }
+    return self;
+}
+
+- (MYSDeferred *)done:(FHSPromiseHandler)handler
+{
+    if (handler) {
+        if (self.state == FHSPromiseStateResolved) {
+            handler();
+        }
+        else {
+            [self.doneHandlers addObject:handler];
+        }
+    }
+    return self;
+}
+
+- (MYSDeferred *)fail:(FHSPromiseHandler)handler
+{
+    if (handler) {
+        if (self.state == FHSPromiseStateRejected) {
+            handler();
+        }
+        else {
+            [self.failHandlers addObject:handler];
+        }
+    }
+    return self;
+}
+
+//- (FHSPromise *)then:(void (^)(id object))handler
+//{
+//    return self;
+//}
+
+//- (FHSPromise *)progress:(void (^)(id object))handler
+//{
+//
+//}
+
+//- (FHSPromise *)notify:(void (^)(id object))handler
+//{
+//
+//}
+
+- (void)reject
+{
+    self.state = FHSPromiseStateRejected;
+    for (FHSPromiseHandler handler in [self.failHandlers arrayByAddingObjectsFromArray:self.alwaysHandlers]) {
+        handler();
+        [self.failHandlers removeObject:handler];
+        [self.alwaysHandlers removeObject:handler];
+    }
+}
+
+- (void)resolve
+{
+    self.state = FHSPromiseStateResolved;
+    for (FHSPromiseHandler handler in [self.doneHandlers arrayByAddingObjectsFromArray:self.alwaysHandlers]) {
+        handler();
+        [self.doneHandlers removeObject:handler];
+        [self.alwaysHandlers removeObject:handler];
+    }
+}
+
+@end

MYSReady.h

@@ -0,0 +1,18 @@
+//
+//  MYSReady.h
+//  FirehoseChat
+//
+//  Created by Adam Kirk on 10/4/14.
+//  Copyright (c) 2014 Adam Kirk. All rights reserved.
+//
+
+
+@interface MYSReady : NSObject
+
++ (instancetype)sharedReadyForActionName:(NSString *)actionName;
+
+@property (nonatomic, strong) id object;
+
+@property (nonatomic, strong) void (^actionBlock)(id object);
+
+@end

MYSReady.m

@@ -0,0 +1,49 @@
+//
+//  MYSReady.m
+//  FirehoseChat
+//
+//  Created by Adam Kirk on 10/4/14.
+//  Copyright (c) 2014 Adam Kirk. All rights reserved.
+//
+
+#import "MYSReady.h"
+
+
+@implementation MYSReady
+
++ (instancetype)sharedReadyForActionName:(NSString *)actionName
+{
+    static NSMutableDictionary *__objects;
+
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        __objects = [NSMutableDictionary new];
+    });
+
+    if (!__objects[actionName]) {
+        __objects[actionName] = [MYSReady new];
+    }
+
+    return __objects[actionName];
+}
+
+- (void)setObject:(id)object
+{
+    _object = object;
+    if (self.actionBlock) {
+        self.actionBlock(object);
+        _object = nil;
+    }
+}
+
+- (void)setActionBlock:(void (^)(id object))actionBlock
+{
+    _actionBlock = actionBlock;
+    if (self.object) {
+        actionBlock(self.object);
+        _object = nil;
+    }
+}
+
+
+@end