车辆监控优化

Pods/DDUIGestureRecognizer/DDUIGestureRecognizer/Classes/DDUIPanGestureRecognizer/DDUIPanGestureRecognizer.swift

@@ -35,6 +35,8 @@ open class DDUIPanGestureRecognizer : UIPanGestureRecognizer {
     
     public var panGesValue = PanGesValue.init()
 
+    public var expandLevelChangedHandler : ((_ oldExpandLevel: ExpandLevel, _ newExpandLevel: ExpandLevel) -> Void)?
+    
     /// 会执行默认方法
     /// - Parameter target: target
     public init() {
@@ -137,6 +139,9 @@ open class DDUIPanGestureRecognizer : UIPanGestureRecognizer {
             /// 记录当前的currentY
             panGesValue.currentY = currentY
 
+            /// 上一次expandLevel
+            let oldExpandLevel = panGesValue.expandLevel
+            
             /// 记录当前的expandLevel
             if panGesValue.currentY == minY {
                 panGesValue.expandLevel = .max
@@ -146,6 +151,16 @@ open class DDUIPanGestureRecognizer : UIPanGestureRecognizer {
                 panGesValue.expandLevel = .default
             }
 
+            /// 新的expandLevel
+            let newExpandLevel = panGesValue.expandLevel
+            
+            /// expandLevel改变时回调
+            if oldExpandLevel != newExpandLevel {
+                if let expandLevelChangedHandler = expandLevelChangedHandler {
+                    expandLevelChangedHandler(oldExpandLevel,newExpandLevel)
+                }
+            }
+            
             UIView.animate(withDuration: duration, animations: {[weak self] in
                self?.view?.frame = CGRectMake(viewFrame.origin.x, currentY, viewFrame.size.width, viewFrame.size.height)
             })