SwiftyCam/Source/SwiftyCamButton.swift

72 lines
2.5 KiB
Swift

/*Copyright (c) 2016, Andrew Walz.
Redistribution and use in source and binary forms, with or without modification,are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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. */
import UIKit
//MARK: Public Protocol Declaration
/// Delegate for SwiftyCamButton
public protocol SwiftyCamButtonDelegate: AnyObject {
/// Called when the button is first pressed
func buttonDidBeginPress()
/// Called when the button is released
func buttonDidEndPress()
}
// MARK: Public View Declaration
/// UIButton Subclass for Capturing Video with SwiftyCamViewController
open class SwiftyCamButton: UIButton {
/// Delegate variable
public weak var delegate: SwiftyCamButtonDelegate?
// Sets whether button is enabled
public var buttonEnabled = true
open override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
super.touchesBegan(touches, with: event)
if buttonEnabled {
delegate?.buttonDidBeginPress()
}
}
open override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
super.touchesEnded(touches, with: event)
if buttonEnabled {
delegate?.buttonDidEndPress()
}
}
open override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
super.touchesCancelled(touches, with: event)
if buttonEnabled {
delegate?.buttonDidEndPress()
}
}
}