/
RNTrimmerView.swift
110 lines (94 loc) · 2.67 KB
/
RNTrimmerView.swift
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//
// RNTrimmerView.swift
// RNVideoProcessing
//
import UIKit
import AVKit
@objc(RNTrimmerView)
class RNTrimmerView: RCTView, ICGVideoTrimmerDelegate {
var trimmerView: ICGVideoTrimmerView?
var asset: AVAsset!
var rect: CGRect = CGRect.zero
var mThemeColor = UIColor.clear
var bridge: RCTBridge!
var source: NSString? {
set {
setSource(source: newValue)
}
get {
return nil
}
}
var height: NSNumber? {
set {
self.rect.size.height = RCTConvert.cgFloat(newValue)
self.updateView()
}
get {
return nil
}
}
var width: NSNumber? {
set {
self.rect.size.width = RCTConvert.cgFloat(newValue)
self.updateView()
}
get {
return nil
}
}
var themeColor: NSString? {
set {
if newValue != nil {
let color = NumberFormatter().number(from: newValue! as String)
self.mThemeColor = RCTConvert.uiColor(color)
self.updateView()
}
}
get {
return nil
}
}
func updateView() {
self.frame = rect
if trimmerView != nil {
self.trimmerView!.frame = rect
self.trimmerView!.themeColor = self.mThemeColor
self.trimmerView!.resetSubviews()
Timer.scheduledTimer(timeInterval: 0.5, target: self, selector: #selector(self.updateTrimmer), userInfo: nil, repeats: false)
}
}
func updateTrimmer() {
self.trimmerView!.resetSubviews()
}
func setSource(source: NSString?) {
if source != nil {
let pathToSource = NSURL(string: source! as String)
self.asset = AVURLAsset(url: pathToSource as! URL, options: nil)
trimmerView = ICGVideoTrimmerView(frame: rect, asset: self.asset)
trimmerView!.maxLength = CGFloat(self.asset.duration.seconds)
trimmerView!.showsRulerView = false
trimmerView!.hideTracker(true)
trimmerView!.delegate = self
trimmerView!.trackerColor = UIColor.clear
self.addSubview(trimmerView!)
self.updateView()
}
}
init(frame: CGRect, bridge: RCTBridge) {
super.init(frame: frame)
self.bridge = bridge
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func onTrimmerPositionChange(startTime: CGFloat, endTime: CGFloat) {
if (self.bridge != nil && self.bridge.eventDispatcher() != nil) {
let event = ["startTime": startTime, "endTime": endTime]
self.bridge.eventDispatcher().sendAppEvent(withName: "VIDEO_PROCESSING_EVENT_TRIMMER", body: event)
}
}
func trimmerView(_ trimmerView: ICGVideoTrimmerView, didChangeLeftPosition startTime: CGFloat, rightPosition endTime: CGFloat) {
onTrimmerPositionChange(startTime: startTime, endTime: endTime)
}
}