Added title obverser.

devedbox · May 15, 2017 · ba0f9d5 · ba0f9d5
1 parent d1d6522
commit ba0f9d5
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/AXWebViewController/AXWebViewController/AXWebViewController.m b/AXWebViewController/AXWebViewController/AXWebViewController.m
@@ -413,6 +413,7 @@ - (void)dealloc {
     _webView.navigationDelegate = nil;
     [_webView removeObserver:self forKeyPath:@"estimatedProgress"];
     [_webView removeObserver:self forKeyPath:@"scrollView.contentOffset"];
+    [_webView removeObserver:self forKeyPath:@"title"];
     /*
      [_webView.scrollView removeObserver:self forKeyPath:@"backgroundColor"];
      */
@@ -461,6 +462,11 @@ - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(N
         // Get the current content offset.
         CGPoint contentOffset = [change[NSKeyValueChangeNewKey] CGPointValue];
         _backgroundLabel.transform = CGAffineTransformMakeTranslation(0, -contentOffset.y-_webView.scrollView.contentInset.top);
+    } else if ([keyPath isEqualToString:@"title"]) {
+        // Update title of vc.
+        [self _updateTitleOfWebVC];
+        // And update navigation items if needed.
+        if (_navigationType == AXWebViewControllerNavigationBarItem) [self updateNavigationItems];
     } else {
         [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
     }
@@ -493,6 +499,8 @@ - (WKWebView *)webView {
     _webView.navigationDelegate = self;
     // Obverse the content offset of the scroll view.
     [_webView addObserver:self forKeyPath:@"scrollView.contentOffset" options:NSKeyValueObservingOptionNew context:NULL];
+    // Obverse title. Fix issue: https://github.com/devedbox/AXWebViewController/issues/35
+    [_webView addObserver:self forKeyPath:@"title" options:NSKeyValueObservingOptionNew context:NULL];
     return _webView;
 }