mirror of
https://github.com/samsonjs/SwiftyCam.git
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127 lines
4.3 KiB
Swift
127 lines
4.3 KiB
Swift
/*Copyright (c) 2016, Andrew Walz.
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Redistribution and use in source and binary forms, with or without modification,are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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import UIKit
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//MARK: Public Protocol Declaration
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/// Delegate for SwiftyCamButton
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public protocol SwiftyCamButtonDelegate: class {
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/// Called when UITapGestureRecognizer begins
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func buttonWasTapped()
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/// Called When UILongPressGestureRecognizer enters UIGestureRecognizerState.began
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func buttonDidBeginLongPress()
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/// Called When UILongPressGestureRecognizer enters UIGestureRecognizerState.end
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func buttonDidEndLongPress()
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/// Called when the maximum duration is reached
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func longPressDidReachMaximumDuration()
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/// Sets the maximum duration of the video recording
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func setMaxiumVideoDuration() -> Double
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}
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// MARK: Public View Declaration
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/// UIButton Subclass for Capturing Photo and Video with SwiftyCamViewController
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open class SwiftyCamButton: UIButton {
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/// Delegate variable
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public weak var delegate: SwiftyCamButtonDelegate?
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/// Maximum duration variable
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fileprivate var timer : Timer?
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/// Initialization Declaration
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override public init(frame: CGRect) {
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super.init(frame: frame)
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createGestureRecognizers()
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}
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/// Initialization Declaration
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required public init?(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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createGestureRecognizers()
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}
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/// UITapGestureRecognizer Function
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@objc fileprivate func Tap() {
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self.delegate?.buttonWasTapped()
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}
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/// UILongPressGestureRecognizer Function
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@objc fileprivate func LongPress(_ sender:UILongPressGestureRecognizer!) {
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if (sender.state == UIGestureRecognizerState.ended) {
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invalidateTimer()
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self.delegate?.buttonDidEndLongPress()
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} else if (sender.state == UIGestureRecognizerState.began) {
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self.delegate?.buttonDidBeginLongPress()
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startTimer()
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}
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}
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/// Timer Finished
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@objc fileprivate func timerFinished() {
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invalidateTimer()
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self.delegate?.longPressDidReachMaximumDuration()
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}
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/// Start Maximum Duration Timer
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fileprivate func startTimer() {
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if let duration = delegate?.setMaxiumVideoDuration() {
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//Check if duration is set, and greater than zero
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if duration != 0.0 && duration > 0.0 {
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timer = Timer.scheduledTimer(timeInterval: duration, target: self, selector: #selector(SwiftyCamButton.timerFinished), userInfo: nil, repeats: false)
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}
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}
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}
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// End timer if UILongPressGestureRecognizer is ended before time has ended
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fileprivate func invalidateTimer() {
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timer?.invalidate()
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timer = nil
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}
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// Add Tap and LongPress gesture recognizers
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fileprivate func createGestureRecognizers() {
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let tapGesture = UITapGestureRecognizer(target: self, action: #selector(SwiftyCamButton.Tap))
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let longGesture = UILongPressGestureRecognizer(target: self, action: #selector(SwiftyCamButton.LongPress))
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self.addGestureRecognizer(tapGesture)
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self.addGestureRecognizer(longGesture)
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}
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}
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