From 71be1f2ed56d5d331c5e0886eefe7a965f2ad124 Mon Sep 17 00:00:00 2001
From: Shin Yamamoto <shin@scenee.com>
Date: Sat, 27 Oct 2018 10:21:44 +0900
Subject: [PATCH] Change the type of 'supportedPositions' from Array to Set

---
 Examples/Samples/Sources/ViewController.swift   |  4 ++--
 Framework/Sources/FloatingPanel.swift           |  8 ++++----
 Framework/Sources/FloatingPanelController.swift |  2 +-
 Framework/Sources/FloatingPanelLayout.swift     | 10 +++++-----
 README.md                                       |  2 +-
 5 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/Examples/Samples/Sources/ViewController.swift b/Examples/Samples/Sources/ViewController.swift
index 109673f..0f17c69 100644
--- a/Examples/Samples/Sources/ViewController.swift
+++ b/Examples/Samples/Sources/ViewController.swift
@@ -373,7 +373,7 @@ class OneTabBarPanelLayout: FloatingPanelLayout {
     var initialPosition: FloatingPanelPosition {
         return .tip
     }
-    var supportedPositions: [FloatingPanelPosition] {
+    var supportedPositions: Set<FloatingPanelPosition> {
         return [.full, .tip]
     }
 
@@ -390,7 +390,7 @@ class TwoTabBarPanel2Layout: FloatingPanelLayout {
     var initialPosition: FloatingPanelPosition {
         return .half
     }
-    var supportedPositions: [FloatingPanelPosition] {
+    var supportedPositions: Set<FloatingPanelPosition> {
         return [.full, .half]
     }
     var bottomInteractionBuffer: CGFloat {
diff --git a/Framework/Sources/FloatingPanel.swift b/Framework/Sources/FloatingPanel.swift
index 930ed44..83e06fa 100644
--- a/Framework/Sources/FloatingPanel.swift
+++ b/Framework/Sources/FloatingPanel.swift
@@ -373,16 +373,16 @@ class FloatingPanel: NSObject, UIGestureRecognizerDelegate, UIScrollViewDelegate
 
     private func targetPosition(with translation: CGPoint, velocity: CGPoint) -> (FloatingPanelPosition) {
         let currentY = getCurrentY(from: initialFrame, with: translation)
-        let supportedPositions = Set(layoutAdapter.layout.supportedPositions)
+        let supportedPositions: Set = layoutAdapter.layout.supportedPositions
 
         assert(supportedPositions.count > 1)
 
         switch supportedPositions {
-        case Set([.full, .half]):
+        case [.full, .half]:
             return targetPosition(from: [.full, .half], at: currentY, velocity: velocity)
-        case Set([.half, .tip]):
+        case [.half, .tip]:
             return targetPosition(from: [.half, .tip], at: currentY, velocity: velocity)
-        case Set([.full, .tip]):
+        case [.full, .tip]:
             return targetPosition(from: [.full, .tip], at: currentY, velocity: velocity)
         default:
             /*
diff --git a/Framework/Sources/FloatingPanelController.swift b/Framework/Sources/FloatingPanelController.swift
index c053144..8d1e1ad 100644
--- a/Framework/Sources/FloatingPanelController.swift
+++ b/Framework/Sources/FloatingPanelController.swift
@@ -36,7 +36,7 @@ public extension FloatingPanelControllerDelegate {
     func floatingPanelDidEndDecelerating(_ vc: FloatingPanelController) {}
 }
 
-public enum FloatingPanelPosition: Int {
+public enum FloatingPanelPosition: Int, CaseIterable {
     case full
     case half
     case tip
diff --git a/Framework/Sources/FloatingPanelLayout.swift b/Framework/Sources/FloatingPanelLayout.swift
index 413f7df..4b317e0 100644
--- a/Framework/Sources/FloatingPanelLayout.swift
+++ b/Framework/Sources/FloatingPanelLayout.swift
@@ -9,8 +9,8 @@ public protocol FloatingPanelLayout: class {
     /// Returns the initial position of a floating panel.
     var initialPosition: FloatingPanelPosition { get }
 
-    /// Returns an array of FloatingPanelPosition objects to tell the applicable positions of the floating panel controller. Default is all of them.
-    var supportedPositions: [FloatingPanelPosition] { get }
+    /// Returns a set of FloatingPanelPosition objects to tell the applicable positions of the floating panel controller. Default is all of them.
+    var supportedPositions: Set<FloatingPanelPosition> { get }
 
     /// Return the interaction buffer to the top from the top position. Default is 6.0.
     var topInteractionBuffer: CGFloat { get }
@@ -39,8 +39,8 @@ public extension FloatingPanelLayout {
     var topInteractionBuffer: CGFloat { return 6.0 }
     var bottomInteractionBuffer: CGFloat { return 6.0 }
 
-    public var supportedPositions: [FloatingPanelPosition] {
-        return [.full, .half, .tip]
+    public var supportedPositions: Set<FloatingPanelPosition> {
+        return Set(FloatingPanelPosition.allCases)
     }
     
     func prepareLayout(surfaceView: UIView, in view: UIView) -> [NSLayoutConstraint] {
@@ -69,7 +69,7 @@ public class FloatingPanelDefaultLandscapeLayout: FloatingPanelLayout {
     public var initialPosition: FloatingPanelPosition {
         return .tip
     }
-    public var supportedPositions: [FloatingPanelPosition] {
+    public var supportedPositions: Set<FloatingPanelPosition> {
         return [.full, .tip]
     }
 
diff --git a/README.md b/README.md
index f4d6d55..5aba646 100644
--- a/README.md
+++ b/README.md
@@ -161,7 +161,7 @@ class FloatingPanelLandscapeLayout: FloatingPanelLayout {
     public var initialPosition: FloatingPanelPosition {
         return .tip
     }
-    public var supportedPositions: [FloatingPanelPosition] {
+    public var supportedPositions: Set<FloatingPanelPosition> {
         return [.full, .tip]
     }