Clean code

Author: larsblumberg

SDK/BLEDevice.swift

@@ -40,7 +40,7 @@ public class BLEDevice: NSObject, CBPeripheralDelegate {
         guard peripheral.state == .Disconnected else { return false }
         centralManager.connectPeripheral(peripheral, options: nil)
         connectionTimeoutTimer?.invalidate()
-        connectionTimeoutTimer = NSTimer.scheduledTimerWithTimeInterval(connectionTimeoutInterval, target: self, selector: "didConnectTimeout", userInfo: nil, repeats: false)
+        connectionTimeoutTimer = NSTimer.scheduledTimerWithTimeInterval(connectionTimeoutInterval, target: self, selector: #selector(self.didConnectTimeout), userInfo: nil, repeats: false)
         return true
     }
 

SDK/BLEDiscoveryManager.swift

@@ -200,7 +200,7 @@ private class UnreachableDevicesDetector {
         previouslyDiscoveredDevices = Set()
         currentlyDiscoveredDevices = Set()
         unreachableDevicesDetectionTimer?.invalidate()
-        unreachableDevicesDetectionTimer = NSTimer.scheduledTimerWithTimeInterval(minDetectionInterval + 0.5, target: self, selector: "removeUnreachableDevices", userInfo: nil, repeats: true)
+        unreachableDevicesDetectionTimer = NSTimer.scheduledTimerWithTimeInterval(minDetectionInterval + 0.5, target: self, selector: #selector(self.removeUnreachableDevices), userInfo: nil, repeats: true)
     }
 
     func stop() {

SDK/NuimoBluetoothController.swift

@@ -171,7 +171,7 @@ private class LEDMatrixWriter {
             // When the matrix write response is not retrieved within 500ms we assume the response to have timed out
             dispatch_async(dispatch_get_main_queue()) {
                 self.writeMatrixResponseTimeoutTimer?.invalidate()
-                self.writeMatrixResponseTimeoutTimer = NSTimer.scheduledTimerWithTimeInterval(0.5, target: self, selector: "didRetrieveMatrixWriteResponse", userInfo: nil, repeats: false)
+                self.writeMatrixResponseTimeoutTimer = NSTimer.scheduledTimerWithTimeInterval(0.5, target: self, selector: #selector(self.didRetrieveMatrixWriteResponse), userInfo: nil, repeats: false)
             }
         }
 
@@ -298,11 +298,11 @@ private extension NuimoGestureEvent {
 
 private extension NuimoLEDMatrix {
     var matrixBytes: [UInt8] {
-        return bits
+        return leds
             .chunk(8)
             .map{ $0
                 .enumerate()
-                .map{(i: Int, b: Bit) -> Int in return b == Bit.Zero ? 0 : 1 << i}
+                .map{(i: Int, b: Bool) -> Int in return b ? 1 << i : 0}
                 .reduce(UInt8(0), combine: {(s: UInt8, v: Int) -> UInt8 in s + UInt8(v)})
         }
     }
@@ -317,7 +317,8 @@ private extension SequenceType {
         var i = n
         self.forEach {
             chunk.append($0)
-            if --i == 0 {
+            i -= 1
+            if i == 0 {
                 chunks.append(chunk)
                 chunk.removeAll(keepCapacity: true)
                 i = n

SDK/NuimoLEDMatrix.swift

@@ -14,20 +14,20 @@ public let NuimoLEDMatrixDefaultLEDOffCharacter = NuimoLEDMatrixLEDOffCharacters
 public let NuimoLEDMatrixDefaultLEDOnCharacter: Character = "."
 
 public class NuimoLEDMatrix: NSObject {
-    public let bits: [Bit]
+    public let leds: [Bool]
 
     public init(matrix: NuimoLEDMatrix) {
-        bits = matrix.bits
+        leds = matrix.leds
     }
 
     public init(string: String) {
-        bits = string
+        leds = string
             // Cut off after count of LEDs
             .substringToIndex(string.startIndex.advancedBy(min(string.characters.count, NuimoLEDMatrixLEDCount)))
             // Right fill up to count of LEDs
             .stringByPaddingToLength(NuimoLEDMatrixLEDCount, withString: " ", startingAtIndex: 0)
             .characters
-            .map{NuimoLEDMatrixLEDOffCharacters.contains($0) ? Bit.Zero : Bit.One}
+            .map{!NuimoLEDMatrixLEDOffCharacters.contains($0)}
     }
 
     //TODO: Have only one init(progress) method and pass presentation style as 2nd argument
@@ -53,7 +53,7 @@ public class NuimoLEDMatrix: NSObject {
 }
 
 public func ==(left: NuimoLEDMatrix, right: NuimoLEDMatrix) -> Bool {
-    return left.bits == right.bits
+    return left.leds == right.leds
 }
 
 public func ==(left: NuimoLEDMatrix?, right: NuimoLEDMatrix) -> Bool {