Corrected webview and toolbar position and size calculation. Set stat…

…usbarcolor from grey to clear to fix >= iphone x issues.

src/ios/CDVWKInAppBrowser.m

@@ -36,7 +36,6 @@ Licensed to the Apache Software Foundation (ASF) under one
 #define    IAB_BRIDGE_NAME @"cordova_iab"
 
 #define    TOOLBAR_HEIGHT 44.0
-#define    STATUSBAR_HEIGHT 20.0
 #define    LOCATIONBAR_HEIGHT 21.0
 #define    FOOTER_HEIGHT ((TOOLBAR_HEIGHT) + (LOCATIONBAR_HEIGHT))
 
@@ -896,7 +895,7 @@ - (void)createViews
         [self.toolbar setItems:@[self.closeButton, flexibleSpaceButton, self.backButton, fixedSpaceButton, self.forwardButton]];
     }
 
-    self.view.backgroundColor = [UIColor grayColor];
+    self.view.backgroundColor = [UIColor clearColor];
     [self.view addSubview:self.toolbar];
     [self.view addSubview:self.addressLabel];
     [self.view addSubview:self.spinner];
@@ -1108,8 +1107,11 @@ - (void)viewWillAppear:(BOOL)animated
     if (IsAtLeastiOSVersion(@"7.0") && !viewRenderedAtLeastOnce) {
         viewRenderedAtLeastOnce = TRUE;
         CGRect viewBounds = [self.webView bounds];
-        viewBounds.origin.y = STATUSBAR_HEIGHT;
-        viewBounds.size.height = viewBounds.size.height - STATUSBAR_HEIGHT;
+        CGRect statusBarFrame = [UIApplication sharedApplication].statusBarFrame;
+        CGFloat statusBarHeight = statusBarFrame.size.height;
+        viewBounds.origin.y = statusBarHeight;
+        viewBounds.size.height = viewBounds.size.height - statusBarHeight;
+
         self.webView.frame = viewBounds;
         [[UIApplication sharedApplication] setStatusBarStyle:[self preferredStatusBarStyle]];
     }
@@ -1130,8 +1132,11 @@ - (float) getStatusBarOffset {
 }
 
 - (void) rePositionViews {
-    if ([_browserOptions.toolbarposition isEqualToString:kInAppBrowserToolbarBarPositionTop]) {
-        [self.webView setFrame:CGRectMake(self.webView.frame.origin.x, TOOLBAR_HEIGHT, self.webView.frame.size.width, self.webView.frame.size.height)];
+    if ((_browserOptions.toolbar) && ([_browserOptions.toolbarposition isEqualToString:kInAppBrowserToolbarBarPositionTop])) {
+        CGRect statusBarFrame = [UIApplication sharedApplication].statusBarFrame;
+        CGFloat statusBarHeight = statusBarFrame.size.height;
+
+        [self.webView setFrame:CGRectMake(self.webView.frame.origin.x, TOOLBAR_HEIGHT + [self getStatusBarOffset], self.webView.frame.size.width, self.webView.frame.size.height - [self getStatusBarOffset] + statusBarHeight)];
         [self.toolbar setFrame:CGRectMake(self.toolbar.frame.origin.x, [self getStatusBarOffset], self.toolbar.frame.size.width, self.toolbar.frame.size.height)];
     }
 }