[ios] Open links from About in Safari

iphone/Common/WebViewController.h

@@ -1,9 +1,11 @@
 #import <UIKit/UIKit.h>
 
-@interface WebViewController : UIViewController
+@interface WebViewController : UIViewController <UIWebViewDelegate>
 
 @property (nonatomic) NSURL * m_url;
 @property (nonatomic) NSString * m_htmlText;
+// Set to YES if external browser should be launched
+@property (nonatomic) BOOL openInSafari;
 
 - (id)initWithUrl:(NSURL *)url andTitleOrNil:(NSString *)title;
 - (id)initWithHtml:(NSString *)htmlText baseUrl:(NSURL *)url andTitleOrNil:(NSString *)title;

iphone/Common/WebViewController.mm

@@ -36,6 +36,7 @@
 //  webView.scalesPageToFit = YES;
   webView.autoresizesSubviews = YES;
   webView.autoresizingMask = (UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth);
+  webView.delegate = self;
 
   if (self.m_htmlText)
     [webView loadHTMLString:self.m_htmlText baseURL:self.m_url];
@@ -50,4 +51,15 @@
   return YES;
 }
 
+-(BOOL)webView:(UIWebView *)inWeb shouldStartLoadWithRequest:(NSURLRequest *)inRequest navigationType:(UIWebViewNavigationType)inType
+{
+  if (self.openInSafari && inType == UIWebViewNavigationTypeLinkClicked)
+  {
+    [[UIApplication sharedApplication] openURL:[inRequest URL]];
+    return NO;
+  }
+
+  return YES;
+}
+
 @end

iphone/Maps/Settings/SettingsViewController.mm

@@ -150,6 +150,7 @@ Settings::Units unitsForIndex(NSInteger index)
     NSString * str = [NSString stringWithFormat:@"Version: %@ \n", [[NSBundle mainBundle] infoDictionary][@"CFBundleVersion"]];
     NSString * text = [NSString stringWithFormat:@"%@%@", str, [NSString stringWithUTF8String:s.c_str()]];
     WebViewController * aboutViewController = [[WebViewController alloc] initWithHtml:text baseUrl:nil andTitleOrNil:NSLocalizedString(@"about", nil)];
+    aboutViewController.openInSafari = YES;
     [self.navigationController pushViewController:aboutViewController animated:YES];
   }
 }