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This also fixes an issue with a few classes being prematurely released when their references are set to nil from a timer callback
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // | ||
| // AEWeakRetainingProxy.h | ||
| // TheAmazingAudioEngine | ||
| // | ||
| // Created by Michael Tyson on 8/06/2016. | ||
| // Copyright © 2016 A Tasty Pixel. All rights reserved. | ||
| // | ||
| // This software is provided 'as-is', without any express or implied | ||
| // warranty. In no event will the authors be held liable for any damages | ||
| // arising from the use of this software. | ||
| // | ||
| // Permission is granted to anyone to use this software for any purpose, | ||
| // including commercial applications, and to alter it and redistribute it | ||
| // freely, subject to the following restrictions: | ||
| // | ||
| // 1. The origin of this software must not be misrepresented; you must not | ||
| // claim that you wrote the original software. If you use this software | ||
| // in a product, an acknowledgment in the product documentation would be | ||
| // appreciated but is not required. | ||
| // | ||
| // 2. Altered source versions must be plainly marked as such, and must not be | ||
| // misrepresented as being the original software. | ||
| // | ||
| // 3. This notice may not be removed or altered from any source distribution. | ||
| // | ||
|
|
||
| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
|
|
||
| #import <Foundation/Foundation.h> | ||
|
|
||
| /*! | ||
| * Weak Retaining Proxy | ||
| * | ||
| * This proxy class is useful to avoid a retain cycle when using an NSTimer | ||
| * retained by the instance that is the timer's target. It's used in a number | ||
| * of places throughout TAAE. | ||
| */ | ||
| @interface AEWeakRetainingProxy : NSProxy | ||
|
|
||
| + (instancetype _Nonnull)proxyWithTarget:(id _Nonnull)target; | ||
|
|
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| @property (nonatomic, weak, readonly) id _Nullable target; | ||
|
|
||
| @end | ||
|
|
||
| #ifdef __cplusplus | ||
| } | ||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| // | ||
| // AEWeakRetainingProxy.m | ||
| // TheAmazingAudioEngine | ||
| // | ||
| // Created by Michael Tyson on 8/06/2016. | ||
| // Copyright © 2016 A Tasty Pixel. All rights reserved. | ||
| // | ||
| // This software is provided 'as-is', without any express or implied | ||
| // warranty. In no event will the authors be held liable for any damages | ||
| // arising from the use of this software. | ||
| // | ||
| // Permission is granted to anyone to use this software for any purpose, | ||
| // including commercial applications, and to alter it and redistribute it | ||
| // freely, subject to the following restrictions: | ||
| // | ||
| // 1. The origin of this software must not be misrepresented; you must not | ||
| // claim that you wrote the original software. If you use this software | ||
| // in a product, an acknowledgment in the product documentation would be | ||
| // appreciated but is not required. | ||
| // | ||
| // 2. Altered source versions must be plainly marked as such, and must not be | ||
| // misrepresented as being the original software. | ||
| // | ||
| // 3. This notice may not be removed or altered from any source distribution. | ||
| // | ||
|
|
||
| #import "AEWeakRetainingProxy.h" | ||
|
|
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| @interface AEWeakRetainingProxy () | ||
| @property (nonatomic, weak, readwrite) id target; | ||
| @end | ||
|
|
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| @implementation AEWeakRetainingProxy | ||
|
|
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| + (instancetype)proxyWithTarget:(id)target { | ||
| AEWeakRetainingProxy * proxy = [AEWeakRetainingProxy alloc]; | ||
| proxy.target = target; | ||
| return proxy; | ||
| } | ||
|
|
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| - (NSMethodSignature *)methodSignatureForSelector:(SEL)selector { | ||
| return [_target methodSignatureForSelector:selector]; | ||
| } | ||
|
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| - (void)forwardInvocation:(NSInvocation *)invocation { | ||
| __strong id target = _target; | ||
| [invocation setTarget:target]; | ||
| [invocation invoke]; | ||
| } | ||
|
|
||
| @end |