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134 lines
5.5 KiB
134 lines
5.5 KiB
//
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// SwiftyTimer
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//
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// Copyright (c) 2015-2016 Radosław Pietruszewski
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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extension Timer {
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// MARK: Schedule timers
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/// Create and schedule a timer that will call `block` once after the specified time.
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@discardableResult
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public class func after(_ interval: TimeInterval, _ block: @escaping () -> Void) -> Timer {
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let timer = Timer.new(after: interval, block)
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timer.start()
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return timer
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}
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/// Create and schedule a timer that will call `block` repeatedly in specified time intervals.
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@discardableResult
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public class func every(_ interval: TimeInterval, _ block: @escaping () -> Void) -> Timer {
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let timer = Timer.new(every: interval, block)
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timer.start()
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return timer
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}
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/// Create and schedule a timer that will call `block` repeatedly in specified time intervals.
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/// (This variant also passes the timer instance to the block)
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@nonobjc @discardableResult
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public class func every(_ interval: TimeInterval, _ block: @escaping (Timer) -> Void) -> Timer {
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let timer = Timer.new(every: interval, block)
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timer.start()
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return timer
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}
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// MARK: Create timers without scheduling
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/// Create a timer that will call `block` once after the specified time.
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///
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/// - Note: The timer won't fire until it's scheduled on the run loop.
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/// Use `NSTimer.after` to create and schedule a timer in one step.
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/// - Note: The `new` class function is a workaround for a crashing bug when using convenience initializers (rdar://18720947)
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public class func new(after interval: TimeInterval, _ block: @escaping () -> Void) -> Timer {
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return CFRunLoopTimerCreateWithHandler(kCFAllocatorDefault, CFAbsoluteTimeGetCurrent() + interval, 0, 0, 0) { _ in
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block()
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}
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}
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/// Create a timer that will call `block` repeatedly in specified time intervals.
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///
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/// - Note: The timer won't fire until it's scheduled on the run loop.
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/// Use `NSTimer.every` to create and schedule a timer in one step.
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/// - Note: The `new` class function is a workaround for a crashing bug when using convenience initializers (rdar://18720947)
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public class func new(every interval: TimeInterval, _ block: @escaping () -> Void) -> Timer {
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return CFRunLoopTimerCreateWithHandler(kCFAllocatorDefault, CFAbsoluteTimeGetCurrent() + interval, interval, 0, 0) { _ in
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block()
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}
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}
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/// Create a timer that will call `block` repeatedly in specified time intervals.
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/// (This variant also passes the timer instance to the block)
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///
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/// - Note: The timer won't fire until it's scheduled on the run loop.
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/// Use `NSTimer.every` to create and schedule a timer in one step.
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/// - Note: The `new` class function is a workaround for a crashing bug when using convenience initializers (rdar://18720947)
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@nonobjc public class func new(every interval: TimeInterval, _ block: @escaping (Timer) -> Void) -> Timer {
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var timer: Timer!
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timer = CFRunLoopTimerCreateWithHandler(kCFAllocatorDefault, CFAbsoluteTimeGetCurrent() + interval, interval, 0, 0) { _ in
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block(timer)
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}
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return timer
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}
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// MARK: Manual scheduling
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/// Schedule this timer on the run loop
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///
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/// By default, the timer is scheduled on the current run loop for the default mode.
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/// Specify `runLoop` or `modes` to override these defaults.
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public func start(runLoop: RunLoop = .current, modes: RunLoop.Mode...) {
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let modes = modes.isEmpty ? [.default] : modes
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for mode in modes {
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runLoop.add(self, forMode: mode)
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}
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}
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}
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// MARK: - Time extensions
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extension Double {
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public var millisecond: TimeInterval { return self / 1000 }
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public var milliseconds: TimeInterval { return self / 1000 }
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public var ms: TimeInterval { return self / 1000 }
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public var second: TimeInterval { return self }
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public var seconds: TimeInterval { return self }
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public var minute: TimeInterval { return self * 60 }
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public var minutes: TimeInterval { return self * 60 }
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public var hour: TimeInterval { return self * 3600 }
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public var hours: TimeInterval { return self * 3600 }
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public var day: TimeInterval { return self * 3600 * 24 }
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public var days: TimeInterval { return self * 3600 * 24 }
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}
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