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Merge pull request #35 from grigaci/baseOperation
Add base operation
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,36 @@ | ||
| // | ||
| // BIOperationBase.h | ||
| // BIObjCHelpers | ||
| // | ||
| // Created by Bogdan Iusco on 5/31/16. | ||
| // Copyright © 2016 iGama Apps. All rights reserved. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| extern void dispatchCodeOnMainThread(void(^__nonnull codeBlock)()); | ||
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| @interface BIOperationBase : NSOperation | ||
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| // NSOperation | ||
| @property (nonatomic, assign, readonly) BOOL isExecuting; | ||
| @property (nonatomic, assign, readonly) BOOL isFinished; | ||
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| // Callbacks | ||
| @property (nonatomic, copy, nullable) void(^didFinishWithErrorCallback)(NSError *__nonnull error); | ||
| @property (nonatomic, copy, nullable) void(^didFinishSuccessfullyCallback)(id __nonnull responseObject); | ||
| @property (nonatomic, copy, nullable) void(^didFinishCommonCallback)(); | ||
| @property (nonatomic, assign) BOOL runCallbacksOnMainThread; | ||
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| // Handle operations response states | ||
| - (void)handleDidFinishedWithResponse:(nonnull id)response; | ||
| - (void)handleDidFinishedWithError:(nonnull NSError *)error; | ||
| - (void)handleDidFinishedCommon; | ||
| - (void)finish; | ||
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| // Trigger callbacks | ||
| - (void)safeCallDidFinishWithErrorCallback:(nonnull NSError *)error; | ||
| - (void)safeCallDidFinishSuccessfullyCallback:(nonnull id)responseObject; | ||
| - (void)safeCallDidFinishCommon; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| // | ||
| // BIOperationBase.m | ||
| // BIObjCHelpers | ||
| // | ||
| // Created by Bogdan Iusco on 5/31/16. | ||
| // Copyright © 2016 iGama Apps. All rights reserved. | ||
| // | ||
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| #import "BIOperationBase.h" | ||
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| void dispatchCodeOnMainThread(void(^__nonnull codeBlock)()) { | ||
| if (![NSThread isMainThread]) { | ||
| dispatch_async(dispatch_get_main_queue(), ^{ | ||
| codeBlock(); | ||
| }); | ||
| } else { | ||
| codeBlock(); | ||
| } | ||
| } | ||
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| @implementation BIOperationBase | ||
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| #pragma mark - Init methods | ||
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| - (nonnull instancetype)init { | ||
| self = [super init]; | ||
| if (self) { | ||
| self.runCallbacksOnMainThread = YES; | ||
| } | ||
| return self; | ||
| } | ||
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| #pragma mark - NSOperation methods | ||
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| - (void)start { | ||
| dispatchCodeOnMainThread( ^{ | ||
| [self willChangeValueForKey:@"isExecuting"]; | ||
| _isExecuting = YES; | ||
| [self didChangeValueForKey:@"isExecuting"]; | ||
| }); | ||
| } | ||
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| #pragma mark - Public methods | ||
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| - (void)safeCallDidFinishWithErrorCallback:(nonnull NSError *)error { | ||
| void(^block)() = ^{ | ||
| if (self.didFinishWithErrorCallback) { | ||
| self.didFinishWithErrorCallback(error); | ||
| } | ||
| [self handleDidFinishedCommon]; | ||
| }; | ||
| if (self.runCallbacksOnMainThread) { | ||
| dispatchCodeOnMainThread( ^{ | ||
| block(); | ||
| }); | ||
| } else { | ||
| block(); | ||
| } | ||
| } | ||
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| - (void)safeCallDidFinishSuccessfullyCallback:(nonnull id)responseObject { | ||
| void(^block)() = ^{ | ||
| if (self.didFinishSuccessfullyCallback) { | ||
| self.didFinishSuccessfullyCallback(responseObject); | ||
| } | ||
| [self handleDidFinishedCommon]; | ||
| }; | ||
| if (self.runCallbacksOnMainThread) { | ||
| dispatchCodeOnMainThread( ^{ | ||
| block(); | ||
| }); | ||
| } else { | ||
| block(); | ||
| } | ||
| } | ||
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| - (void)safeCallDidFinishCommon { | ||
| void(^block)() = ^{ | ||
| if (self.didFinishCommonCallback) { | ||
| self.didFinishCommonCallback(); | ||
| } | ||
| }; | ||
| if (self.runCallbacksOnMainThread) { | ||
| dispatchCodeOnMainThread( ^{ | ||
| block(); | ||
| }); | ||
| } else { | ||
| block(); | ||
| } | ||
| } | ||
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| - (void)handleDidFinishedWithResponse:(id)response { | ||
| [self safeCallDidFinishSuccessfullyCallback:response]; | ||
| } | ||
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| - (void)handleDidFinishedWithError:(NSError *)error { | ||
| [self safeCallDidFinishWithErrorCallback:error]; | ||
| } | ||
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| - (void)handleDidFinishedCommon { | ||
| [self safeCallDidFinishCommon]; | ||
| [self finish]; | ||
| } | ||
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| - (void)finish { | ||
| dispatchCodeOnMainThread( ^{ | ||
| [self willChangeValueForKey:@"isExecuting"]; | ||
| [self willChangeValueForKey:@"isFinished"]; | ||
| _isExecuting = NO; | ||
| _isFinished = YES; | ||
| [self didChangeValueForKey:@"isExecuting"]; | ||
| [self didChangeValueForKey:@"isFinished"]; | ||
| }); | ||
| } | ||
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| @end |
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