Whistles

Demo/WhisperDemo/WhisperDemo/ViewController.swift

@@ -55,6 +55,14 @@ class ViewController: UIViewController {
     return button
     }()
 
+  lazy var statusBarButton: UIButton = { [unowned self] in
+    let button = UIButton()
+    button.addTarget(self, action: "statusBarButtonDidPress:", forControlEvents: .TouchUpInside)
+    button.setTitle("Status bar", forState: .Normal)
+
+    return button
+    }()
+
   lazy var containerView: UIView = {
     let view = UIView()
     view.backgroundColor = UIColor.grayColor()
@@ -68,9 +76,10 @@ class ViewController: UIViewController {
     view.backgroundColor = UIColor.whiteColor()
 
     view.addSubview(scrollView)
-    for subview in [icon, titleLabel, presentButton, showButton, presentPermanentButton, notificationButton] { scrollView.addSubview(subview) }
+    for subview in [icon, titleLabel, presentButton, showButton,
+      presentPermanentButton, notificationButton, statusBarButton] { scrollView.addSubview(subview) }
 
-    for button in [presentButton, showButton, presentPermanentButton, notificationButton] {
+    for button in [presentButton, showButton, presentPermanentButton, notificationButton, statusBarButton] {
       button.setTitleColor(UIColor.grayColor(), forState: .Normal)
       button.layer.borderColor = UIColor.grayColor().CGColor
       button.layer.borderWidth = 1.5
@@ -120,11 +129,20 @@ class ViewController: UIViewController {
   }
 
   func presentNotificationDidPress(button: UIButton) {
-    let announcement = Announcement(title: "Ramon Gilabert", subtitle: "Vadym Markov just commented your post", image: UIImage(named: "avatar"))
+    let announcement = Announcement(title: "Ramon Gilabert",
+
+    subtitle: "Vadym Markov just commented your post", image: UIImage(named: "avatar"))
 
     Shout(announcement, to: self)
   }
 
+  func statusBarButtonDidPress(button: UIButton) {
+    let murmur = Murmur(title: "This is a small whistle",
+      backgroundColor: UIColor(red: 0.975, green: 0.975, blue: 0.975, alpha: 1))
+
+    Whistle(murmur)
+  }
+
   // MARK - Configuration
 
   func setupFrames() {
@@ -136,6 +154,7 @@ class ViewController: UIViewController {
     showButton.frame = CGRect(x: 50, y: presentButton.frame.maxY + 15, width: totalSize.width - 100, height: 50)
     presentPermanentButton.frame = CGRect(x: 50, y: showButton.frame.maxY + 15, width: totalSize.width - 100, height: 50)
     notificationButton.frame = CGRect(x: 50, y: presentPermanentButton.frame.maxY + 15, width: totalSize.width - 100, height: 50)
+    statusBarButton.frame = CGRect(x: 50, y: notificationButton.frame.maxY + 15, width: totalSize.width - 100, height: 50)
   }
 }
 

Source/Configuration/ColorList.swift

@@ -9,4 +9,9 @@ public struct ColorList {
     public static var title = UIColor.blackColor()
     public static var subtitle = UIColor.blackColor()
   }
+
+  public struct Whistle {
+    public static var background = UIColor.whiteColor()
+    public static var title = UIColor.blackColor()
+  }
 }

Source/Configuration/FontList.swift

@@ -7,4 +7,9 @@ public struct FontList {
     public static let title = UIFont.boldSystemFontOfSize(15)
     public static let subtitle = UIFont.systemFontOfSize(13)
   }
+
+  public struct Whistle {
+
+    public static let title = UIFont.systemFontOfSize(12)
+  }
 }

Source/Message.swift

@@ -29,3 +29,20 @@ public struct Announcement {
     self.action = action
   }
 }
+
+public struct Murmur {
+
+  public var title: String
+  public var duration: NSTimeInterval
+  public var backgroundColor: UIColor
+  public var titleColor: UIColor
+  public var font: UIFont
+
+  public init(title: String, duration: NSTimeInterval = 1.5, backgroundColor: UIColor = ColorList.Whistle.background, titleColor: UIColor = ColorList.Whistle.title, font: UIFont = FontList.Whistle.title) {
+    self.title = title
+    self.duration = duration
+    self.backgroundColor = backgroundColor
+    self.titleColor = titleColor
+    self.font = font
+  }
+}

Source/WhistleFactory.swift

@@ -0,0 +1,100 @@
+import UIKit
+
+let whistleFactory = WhistleFactory()
+
+public func Whistle(murmur: Murmur) {
+  whistleFactory.whistler(murmur)
+}
+
+public class WhistleFactory: UIView {
+
+  public lazy var whistleWindow: UIWindow = {
+    let window = UIWindow()
+    return window
+    }()
+
+  public lazy var titleLabel: UILabel = {
+    let label = UILabel()
+    label.textAlignment = .Center
+
+    return label
+    }()
+
+  public var duration: NSTimeInterval = 2
+  public var viewController: UIViewController?
+  public var hideTimer = NSTimer()
+
+  // MARK: - Initializers
+
+  public override init(frame: CGRect) {
+    super.init(frame: frame)
+
+    setupWindow()
+    clipsToBounds = true
+    [titleLabel].forEach { addSubview($0) }
+  }
+
+  public required init?(coder aDecoder: NSCoder) {
+    fatalError("init(coder:) has not been implemented")
+  }
+
+  // MARK: - Configuration
+
+  public func whistler(murmur: Murmur) {
+    titleLabel.text = murmur.title
+    titleLabel.font = murmur.font
+    titleLabel.textColor = murmur.titleColor
+    backgroundColor = murmur.backgroundColor
+    whistleWindow.backgroundColor = murmur.backgroundColor
+
+    setupFrames()
+    present()
+  }
+
+  // MARK: - Setup
+
+  public func setupWindow() {
+    whistleWindow.addSubview(self)
+    whistleWindow.windowLevel = UIWindowLevelAlert
+    whistleWindow.clipsToBounds = true
+  }
+
+  public func setupFrames() {
+    titleLabel.sizeToFit()
+
+    whistleWindow.frame = CGRect(x: 0, y: 0, width: UIScreen.mainScreen().bounds.width,
+      height: UIApplication.sharedApplication().statusBarFrame.height)
+    frame = whistleWindow.bounds
+    titleLabel.frame = bounds
+  }
+
+  // MARK: - Movement methods
+
+  public func present() {
+    hideTimer.invalidate()
+
+    let initialOrigin = whistleWindow.frame.origin.y
+    whistleWindow.frame.origin.y = initialOrigin - UIApplication.sharedApplication().statusBarFrame.height
+    whistleWindow.makeKeyAndVisible()
+    UIView.animateWithDuration(0.2, animations: {
+      self.whistleWindow.frame.origin.y = initialOrigin
+    })
+
+    hideTimer = NSTimer.scheduledTimerWithTimeInterval(1.5, target: self, selector: "timerDidFire", userInfo: nil, repeats: false)
+  }
+
+  public func hide() {
+    let finalOrigin = frame.origin.y - UIApplication.sharedApplication().statusBarFrame.height
+    UIView.animateWithDuration(0.2, animations: {
+      self.whistleWindow.frame.origin.y = finalOrigin
+      }, completion: { _ in
+        self.window?.makeKeyAndVisible()
+    })
+  }
+
+  // MARK: - Timer methods
+
+  public func timerDidFire() {
+    hide()
+  }
+}