/
RAMRotationAnimation.swift
executable file
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/
RAMRotationAnimation.swift
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// RAMRotationAnimation.swift
//
// Copyright (c) 11/10/14 Ramotion Inc. (http://ramotion.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import QuartzCore
import UIKit
/// The RAMRotationAnimation class provides rotation animation.
open class RAMRotationAnimation: RAMItemAnimation {
/**
Animation direction
- Left: left direction
- Right: right direction
*/
public enum RAMRotationDirection {
case left
case right
}
/// Animation direction (left, right)
open var direction: RAMRotationDirection!
/**
Start animation, method call when UITabBarItem is selected
- parameter icon: animating UITabBarItem icon
- parameter textLabel: animating UITabBarItem textLabel
*/
open override func playAnimation(_ icon: UIImageView, textLabel: UILabel) {
playRoatationAnimation(icon)
textLabel.textColor = textSelectedColor
}
/**
Start animation, method call when UITabBarItem is unselected
- parameter icon: animating UITabBarItem icon
- parameter textLabel: animating UITabBarItem textLabel
- parameter defaultTextColor: default UITabBarItem text color
- parameter defaultIconColor: default UITabBarItem icon color
*/
open override func deselectAnimation(_ icon: UIImageView, textLabel: UILabel, defaultTextColor: UIColor, defaultIconColor: UIColor) {
textLabel.textColor = defaultTextColor
if let iconImage = icon.image {
let renderMode = defaultIconColor.cgColor.alpha == 0 ? UIImage.RenderingMode.alwaysOriginal :
UIImage.RenderingMode.alwaysTemplate
let renderImage = iconImage.withRenderingMode(renderMode)
icon.image = renderImage
icon.tintColor = defaultIconColor
}
}
/**
Method call when TabBarController did load
- parameter icon: animating UITabBarItem icon
- parameter textLabel: animating UITabBarItem textLabel
*/
open override func selectedState(_ icon: UIImageView, textLabel: UILabel) {
textLabel.textColor = textSelectedColor
if let iconImage = icon.image {
let renderImage = iconImage.withRenderingMode(.alwaysTemplate)
icon.image = renderImage
icon.tintColor = iconSelectedColor
}
}
func playRoatationAnimation(_ icon: UIImageView) {
let rotateAnimation = CABasicAnimation(keyPath: Constants.AnimationKeys.rotation)
rotateAnimation.fromValue = 0.0
var toValue = CGFloat.pi * 2
if direction != nil && direction == RAMRotationDirection.left {
toValue = toValue * -1.0
}
rotateAnimation.toValue = toValue
rotateAnimation.duration = TimeInterval(duration)
icon.layer.add(rotateAnimation, forKey: nil)
if let iconImage = icon.image {
let renderImage = iconImage.withRenderingMode(.alwaysTemplate)
icon.image = renderImage
icon.tintColor = iconSelectedColor
}
}
}
/// The RAMLeftRotationAnimation class provides letf rotation animation.
open class RAMLeftRotationAnimation: RAMRotationAnimation {
public override init() {
super.init()
direction = RAMRotationDirection.left
}
}
/// The RAMRightRotationAnimation class provides rigth rotation animation.
open class RAMRightRotationAnimation: RAMRotationAnimation {
public override init() {
super.init()
direction = RAMRotationDirection.right
}
}