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initial LiveLogInspector view controller & view
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Evan Maloney
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Mar 2, 2017
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| // | ||
| // CallbackRegistry.swift | ||
| // CleanroomLogger | ||
| // | ||
| // Created by Evan Maloney on 2/21/17. | ||
| // Copyright © 2017 Gilt Groupe. All rights reserved. | ||
| // | ||
|
|
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| import Foundation | ||
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| /** | ||
| Represents a callback function that has been registered for a given operation. | ||
| The callback function may be called as long as the associated `CallbackHandle` | ||
| instance has at least one strong reference to it. Once a `CallbackHandle` | ||
| has been deallocated or its `stopCallbacks()` function is called, the | ||
| associated callback function will no longer be invoked. | ||
| */ | ||
| public class CallbackHandle | ||
| { | ||
| internal var objectID: ObjectIdentifier { | ||
| return _objectID | ||
| } | ||
| private var _objectID: ObjectIdentifier! | ||
|
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| private weak var removableFrom: CallbackRemovable? | ||
|
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| fileprivate init(removableFrom: CallbackRemovable) | ||
| { | ||
| self.removableFrom = removableFrom | ||
| _objectID = ObjectIdentifier(self) | ||
| } | ||
|
|
||
| deinit { | ||
| stopCallbacks() | ||
| } | ||
|
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| /** | ||
| Prevent further invocations of the callback function represented by the | ||
| receiver. | ||
| */ | ||
| public func stopCallbacks() | ||
| { | ||
| removableFrom?.removeCallback(handle: self) | ||
| removableFrom = nil | ||
| } | ||
| } | ||
|
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| private protocol CallbackRemovable: class | ||
| { | ||
| func removeCallback(handle: CallbackHandle) | ||
| } | ||
|
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| internal class CallbackRegistry<CallbackSignature>: CallbackRemovable | ||
| { | ||
| private let lock = NSLock() | ||
| private var objectIdsToCallbacks = [ObjectIdentifier: CallbackSignature]() | ||
|
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| func addCallback(_ callback: CallbackSignature) | ||
| -> CallbackHandle | ||
| { | ||
| let handle = CallbackHandle(removableFrom: self) | ||
| lock.lock() | ||
| objectIdsToCallbacks[handle.objectID] = callback | ||
| lock.unlock() | ||
| return handle | ||
| } | ||
|
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| func removeCallback(handle: CallbackHandle) | ||
| { | ||
| let id = handle.objectID | ||
| lock.lock() | ||
| objectIdsToCallbacks.removeValue(forKey: id) | ||
| lock.unlock() | ||
| } | ||
|
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| func callbacks() | ||
| -> [CallbackSignature] | ||
| { | ||
| lock.lock() | ||
| let callbacks = objectIdsToCallbacks.values | ||
| lock.unlock() | ||
| return [CallbackSignature](callbacks) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| // | ||
| // LiveLogInspectorConfiguration.swift | ||
| // CleanroomLogger | ||
| // | ||
| // Created by Evan Maloney on 2/17/17. | ||
| // Copyright © 2017 Gilt Groupe. All rights reserved. | ||
| // | ||
|
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| #if os(iOS) || os(tvOS) | ||
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| import Foundation | ||
| import UIKit | ||
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| open class LiveLogInspectorConfiguration: BasicLogConfiguration | ||
| { | ||
| private let bufferingRecorder: BufferedLogEntryMessageRecorder | ||
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| open var inspectorViewController: LiveLogInspectorViewController { | ||
| let inspector = _inspectorViewController ?? LiveLogInspectorViewController(recorder: bufferingRecorder) | ||
| _inspectorViewController = inspector | ||
| return inspector | ||
| } | ||
| private weak var _inspectorViewController: LiveLogInspectorViewController? | ||
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| public init(minimumSeverity: LogSeverity = .verbose, filters: [LogFilter] = [], synchronousMode: Bool = false) | ||
| { | ||
| bufferingRecorder = BufferedLogEntryMessageRecorder(formatters: [PayloadLogFormatter()]) | ||
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| super.init(minimumSeverity: minimumSeverity, filters: filters, recorders: [bufferingRecorder], synchronousMode: synchronousMode) | ||
| } | ||
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| open func createInspectorView() | ||
| -> LiveLogInspectorView | ||
| { | ||
| return LiveLogInspectorView(recorder: bufferingRecorder) | ||
| } | ||
| } | ||
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| #endif | ||
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