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Safari plugin #15: send selected text from Safari to text field in th…
…e app
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // | ||
| // ExtensionListener.swift | ||
| // ReaderTranslator | ||
| // | ||
| // Created by Viktor Kushnerov on 10/3/19. | ||
| // Copyright © 2019 Viktor Kushnerov. All rights reserved. | ||
| // | ||
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| import Foundation | ||
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| class SafariExtensionManager { | ||
| typealias onMessageChangedType = (_ name: String) -> () | ||
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| static private let center = CFNotificationCenterGetDarwinNotifyCenter() | ||
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| static private let domainName = "by.filimo.ReaderTranslatorMac.ReaderTranslatorSafari" | ||
| static private let notificationName = "onMessagedChanged" | ||
| static private var eventName: CFString { "\(domainName).\(notificationName)" as CFString } | ||
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| private var onMessageChanged: onMessageChangedType? | ||
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| func start(onMessageChanged: @escaping onMessageChangedType) { | ||
| self.onMessageChanged = onMessageChanged | ||
| CFNotificationCenterAddObserver(Self.center, Unmanaged.passRetained(self).toOpaque(), callBack, Self.eventName, nil, .deliverImmediately) | ||
| } | ||
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| deinit { | ||
| CFNotificationCenterRemoveEveryObserver(Self.center, Unmanaged.passRetained(self).toOpaque()) | ||
| } | ||
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| private var callBack: CFNotificationCallback = { (_, observer, name, object, _) -> () in | ||
| if let observer = observer, let name = name { | ||
| let safariExtensionManagerSelf = Unmanaged<SafariExtensionManager>.fromOpaque(observer).takeUnretainedValue() | ||
| safariExtensionManagerSelf.onMessageChanged?(name.rawValue as String) | ||
| } | ||
| } | ||
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| static func didMessageChanged() { | ||
| CFNotificationCenterPostNotification(center, .init(eventName), nil, nil, true) | ||
| } | ||
| } | ||
|
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