method to get current progress between 0 and 100 (#348)

Example/Example.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

FolioReaderKit.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Source/FolioReaderCenter.swift

@@ -658,7 +658,7 @@ open class FolioReaderCenter: UIViewController, UICollectionViewDelegate, UIColl
 
         delegate?.pageDidAppear?(currentPage)
         delegate?.pageItemChanged?(self.getCurrentPageItemNumber())
-
+        
         completion?()
     }
 
@@ -847,6 +847,26 @@ open class FolioReaderCenter: UIViewController, UICollectionViewDelegate, UIColl
 
         return webViewPage
     }
+
+    public func getCurrentPageProgress() -> Float {
+        guard let page = currentPage, let webView = page.webView else { return 0 }
+
+        let pageSize = self.readerConfig.isDirection(pageHeight, self.pageWidth, pageHeight)
+        let contentSize = page.webView?.scrollView.contentSize.forDirection(withConfiguration: self.readerConfig) ?? 0
+        let totalPages = ((pageSize != 0) ? Int(ceil(contentSize / pageSize)) : 0)
+        let currentPageItem = getCurrentPageItemNumber()
+
+        if totalPages > 0 {
+            var progress = Float((currentPageItem * 100) / totalPages)
+
+            if progress < 0 { progress = 0 }
+            if progress > 100 { progress = 100 }
+
+            return progress
+        }
+
+        return 0
+    }
 
     public func changePageItemToPrevious(_ completion: (() -> Void)? = nil) {
         // TODO: It was implemented for horizontal orientation.

Source/FolioReaderPageIndicator.swift

@@ -103,7 +103,7 @@ class FolioReaderPageIndicator: UIView {
         } else {
             minutesLabel.text = self.readerConfig.localizedReaderLessThanOneMinute+" ·"
         }
-
+        
         reloadView(updateShadow: false)
     }
 }