feat: add new implementation of snackbar

PuraceDemo/PuraceDemo/Examples/Basic/SnackbarExample.swift

@@ -10,16 +10,14 @@ import SwiftUI
 import Purace
 
 struct SnackBarExample: View {
-    @State var showSnackbar = false
-
     var body: some View {
         VStack {
             Text("`PuraceSnackbarView(title: ...)`")
                 .padding()
-            PuraceButtonView(!showSnackbar ? "Mostrar snackbar" : "Ocultar snackbar", fontSize: 14) {
-                showSnackbar = !showSnackbar
+            PuraceButtonView("Mostrar snackbar", fontSize: 14) {
+                PuraceSnackbarManager.instance.show(withTitle: "Test", type: .info)
             }
             Spacer()
-        }.snackBar(title: "Parece que ha ocurrido un error", isVisible: $showSnackbar, type: .info, buttonTitle: "REINTENTAR", duration: .long, dismissOnDrag: true)
+        }
     }
 }

Sources/Purace/Common/Extensions/UIApplication+keyWindow.swift

@@ -0,0 +1,18 @@
+//
+//  UIApplication+keyWindow.swift
+//  
+//
+//  Created by Juan Hurtado on 21/11/22.
+//
+
+import UIKit
+
+extension UIApplication {
+    var keyWindow: UIWindow? {
+        return UIApplication.shared.connectedScenes
+            .filter { $0.activationState == .foregroundActive }
+            .first(where: { $0 is UIWindowScene })
+            .flatMap({ $0 as? UIWindowScene })?.windows
+            .first(where: \.isKeyWindow)
+    }
+}

Sources/Purace/Common/Extensions/UIView+NibLoadable.swift

@@ -0,0 +1,34 @@
+//
+//  File.swift
+//  
+//
+//  Created by Juan Hurtado on 19/11/22.
+//
+
+import Foundation
+import UIKit
+
+public protocol NibLoadable {
+    static var nibName: String { get }
+}
+
+public extension NibLoadable where Self: UIView {
+    static var nibName: String {
+        return String(describing: Self.self)
+    }
+
+    static var nib: UINib {
+        let bundle = Bundle.module
+        return UINib(nibName: Self.nibName, bundle: bundle)
+    }
+
+    func setupFromNib() {
+        guard let view = Self.nib.instantiate(withOwner: self, options: nil).first as? UIView else { fatalError("Error loading \(self) from nib") }
+        addSubview(view)
+        view.translatesAutoresizingMaskIntoConstraints = false
+        view.leadingAnchor.constraint(equalTo: self.safeAreaLayoutGuide.leadingAnchor, constant: 0).isActive = true
+        view.topAnchor.constraint(equalTo: self.safeAreaLayoutGuide.topAnchor, constant: 0).isActive = true
+        view.trailingAnchor.constraint(equalTo: self.safeAreaLayoutGuide.trailingAnchor, constant: 0).isActive = true
+        view.bottomAnchor.constraint(equalTo: self.safeAreaLayoutGuide.bottomAnchor, constant: 0).isActive = true
+    }
+}

Sources/Purace/Views/Basic/Snackbar v2/Component/PuraceSnackbar.swift

@@ -0,0 +1,51 @@
+//
+//  PuraceSnackbar.swift
+//  
+//
+//  Created by Juan Hurtado on 19/11/22.
+//
+
+import UIKit
+
+class PuraceSnackbar: UIView, NibLoadable {
+    @IBOutlet var contentView: UIView!
+    @IBOutlet weak var actionButton: UIButton!
+    @IBOutlet weak var titleLabel: UILabel!
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        setupFromNib()
+        translatesAutoresizingMaskIntoConstraints = false
+        setupSubviews()
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    private func setupSubviews() {
+        titleLabel.font = UIFont(name: "Poppins-Regular", size: 14)
+        titleLabel.textColor = .white
+        actionButton.titleLabel?.textColor = .white
+        actionButton.titleLabel?.font = UIFont(name: "Poppins-Medium", size: 14)
+        contentView.layer.cornerRadius = 10
+    }
+
+    func setup(with title: String, type: PuraceSnackbarType) {
+        switch type {
+        case .info:
+            contentView.backgroundColor = .init(PuraceStyle.Color.G1)
+        case .alert:
+            contentView.backgroundColor = .init(PuraceStyle.Color.B1)
+        case .error:
+            contentView.backgroundColor = .init(PuraceStyle.Color.R1)
+        }
+        titleLabel.text = title
+    }
+}
+
+// MARK: - Config constants
+extension PuraceSnackbar {
+    static let height: CGFloat = 60
+    static let padding: CGFloat = 20
+}

Sources/Purace/Views/Basic/Snackbar v2/Component/PuraceSnackbar.xib

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="21507" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <device id="retina6_12" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="21505"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="PuraceSnackbar" customModuleProvider="target">
+            <connections>
+                <outlet property="actionButton" destination="nek-Ra-1ia" id="c3m-MM-Pc2"/>
+                <outlet property="contentView" destination="fTQ-8B-eqd" id="d4d-wB-YV5"/>
+                <outlet property="titleLabel" destination="Vd3-Fo-KXQ" id="56M-lz-Bvd"/>
+            </connections>
+        </placeholder>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <view contentMode="scaleToFill" id="fTQ-8B-eqd">
+            <rect key="frame" x="0.0" y="0.0" width="393" height="134"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+            <subviews>
+                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Vd3-Fo-KXQ">
+                    <rect key="frame" x="20" y="56.666666666666657" width="42" height="21"/>
+                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                    <nil key="textColor"/>
+                    <nil key="highlightedColor"/>
+                </label>
+                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="nek-Ra-1ia">
+                    <rect key="frame" x="319" y="50" width="54" height="34"/>
+                    <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
+                    <state key="normal" title="Button"/>
+                </button>
+            </subviews>
+            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+            <constraints>
+                <constraint firstItem="Vd3-Fo-KXQ" firstAttribute="centerY" secondItem="fTQ-8B-eqd" secondAttribute="centerY" id="Icc-dL-4eH"/>
+                <constraint firstAttribute="trailing" secondItem="nek-Ra-1ia" secondAttribute="trailing" constant="20" id="W4V-zZ-bMS"/>
+                <constraint firstItem="nek-Ra-1ia" firstAttribute="centerY" secondItem="fTQ-8B-eqd" secondAttribute="centerY" id="YO9-ZV-LCy"/>
+                <constraint firstItem="Vd3-Fo-KXQ" firstAttribute="leading" secondItem="fTQ-8B-eqd" secondAttribute="leading" constant="20" id="iaC-gl-QId"/>
+            </constraints>
+            <nil key="simulatedTopBarMetrics"/>
+            <nil key="simulatedBottomBarMetrics"/>
+            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
+            <point key="canvasLocation" x="319.84732824427482" y="292.25352112676057"/>
+        </view>
+    </objects>
+</document>

Sources/Purace/Views/Basic/Snackbar v2/Models/PuraceSnackbarConfig.swift

@@ -0,0 +1,15 @@
+//
+//  PuraceSnackbarConfig.swift
+//  
+//
+//  Created by Juan Hurtado on 21/11/22.
+//
+
+import Foundation
+
+struct PuraceSnackbarConfig {
+    let title: String
+    let type: PuraceSnackbarType = .info
+    let action: (() -> Void)?
+    let actionTitle: String?
+}

Sources/Purace/Views/Basic/Snackbar v2/PuraceSnackbarManager.swift

@@ -0,0 +1,110 @@
+//
+//  PuraceSnackbarManager.swift
+//  
+//
+//  Created by Juan Hurtado on 18/11/22.
+//
+
+import Foundation
+import UIKit
+
+public class PuraceSnackbarManager {
+    private static var _instance: PuraceSnackbarManager? = nil
+    public static var instance: PuraceSnackbarManager {
+        if _instance == nil {
+            _instance = PuraceSnackbarManager()
+        }
+        return _instance!
+    }
+
+    private var verbose = false
+
+    var isPresented = false
+    var queue = [() -> ()]()
+    var snackbar: PuraceSnackbar?
+
+    private init() {}
+
+    private func setupSnackbarView(withTitle title: String, type: PuraceSnackbarType) {
+        guard let window = UIApplication.shared.keyWindow else { return }
+        let bottomPadding = window.safeAreaInsets.bottom
+
+        snackbar = PuraceSnackbar(frame: .init(x: 0, y: 0, width: 100, height: 0))
+        snackbar?.setup(with: title, type: type)
+        window.addSubview(snackbar!)
+
+        // Height constriant
+        snackbar?.heightAnchor.constraint(equalToConstant: PuraceSnackbar.height).isActive = true
+
+        // Bottom constriant
+        snackbar?.topAnchor.constraint(equalTo: window.safeAreaLayoutGuide.bottomAnchor, constant: bottomPadding).isActive = true
+
+        // Left constraint
+        snackbar?.leadingAnchor.constraint(equalTo: window.leadingAnchor, constant: PuraceSnackbar.padding).isActive = true
+        // Right constraint
+        snackbar?.trailingAnchor.constraint(equalTo: window.trailingAnchor, constant: -PuraceSnackbar.padding).isActive = true
+    }
+
+
+    /// When called this function, some verbose logs will be printed on the console.
+    ///
+    /// Call this function **only** for debug purpuses.
+    public func debug() -> PuraceSnackbarManager {
+        verbose = true
+        return self
+    }
+
+    public func show(withTitle title: String, type: PuraceSnackbarType) {
+        if isPresented {
+            enqueue(label: "show") { [weak self] in
+                guard let self else { return }
+                self.show(withTitle: title, type: type)
+            }
+            return
+        }
+
+        if verbose {
+            print("showing snackbar")
+        }
+
+        setupSnackbarView(withTitle: title, type: type)
+        UIView.animate(withDuration: 0.4, delay: 0, animations: { [weak self] in
+            guard let self else { return }
+            self.snackbar?.transform = .init(translationX: 0, y: -PuraceSnackbar.height - PuraceSnackbar.padding)
+        }) { _ in
+            DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) { [weak self] in
+                guard let self else { return }
+                if self.isPresented {
+                    self.hide()
+                }
+            }
+        }
+        isPresented = true
+
+    }
+
+    public func hide() {
+        if verbose {
+            print("hiding snackbar")
+        }
+        guard isPresented else { return }
+        UIView.animate(withDuration: 0.4, delay: 0, animations: { [weak self] in
+            guard let self else { return }
+            self.snackbar?.transform = .init(translationX: 0, y: PuraceSnackbar.height)
+        }) { _ in
+            self.snackbar?.removeFromSuperview()
+            self.isPresented = false
+            guard !self.queue.isEmpty else { return }
+            let action = self.queue.removeFirst()
+            action()
+        }
+    }
+
+    private func enqueue(label: String, action: @escaping () -> ()) {
+        queue.append(action)
+        if verbose {
+            print("Enqueuing action: \(label)")
+            print("queue length: \(queue.count)")
+        }
+    }
+}