//
//  WaitingView.swift
//  PDF Reader Pro
//
//  Created by liujiajie on 2023/11/9.
//

import Cocoa

@objcMembers class WaitingView: NSView{
    var indicator: NSProgressIndicator?
    override init(frame frameRect: NSRect) {
        super.init(frame: frameRect)
        var _indicator = NSProgressIndicator()
        _indicator.isBezeled = false
        _indicator.autoresizingMask = [.minXMargin, .maxXMargin, .minYMargin, .maxYMargin]
        _indicator.style = .spinning
        _indicator.controlSize = .regular
        _indicator.usesThreadedAnimation = true
        _indicator.sizeToFit()
       self.addSubview(_indicator)
       _indicator.center()
        self.indicator = _indicator
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
    }
    
    func startAnimation() {
        indicator!.startAnimation(nil)
    }
    
    func stopAnimation() {
        indicator?.stopAnimation(nil)
    }
    
    override func draw(_ dirtyRect: NSRect) {
        NSColor(calibratedRed: 1.0, green: 1.0, blue: 1.0, alpha: 0.5).set()
        NSBezierPath(rect: self.bounds).fill()
    }
    override func mouseDown(with theEvent: NSEvent) {
        
    } 
    override func mouseUp(with theEvent: NSEvent) {
        
    }
}

extension NSView{
    func center(){
        guard let superview = self.superview else { return }
        self.frame = NSMakeRect(
            0.5 * (superview.frame.size.width - self.frame.size.width),
            0.5 * (superview.frame.size.height - self.frame.size.height),
            self.frame.size.width,
            self.frame.size.height
        )
    }
}