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fix(WKWebview Scroll): Don't allow the scrollView to scroll when `scrollEnabled={false}`. (#158)

* Don't allow the scrollview to scroll the WebView body.

* Readme comment

* Remove duplicate protocol def
Chet Corcos 5 年 前
コミット
0e6e92a7f1
共有2 個のファイルを変更した14 個の追加1 個の削除を含む
  1. 1
    1
      docs/Reference.md
  2. 13
    0
      ios/RNCWKWebView.m

+ 1
- 1
docs/Reference.md ファイルの表示

@@ -446,7 +446,7 @@ With the [new WebKit](Reference.md#usewebkit) implementation, we have three new
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 ### `scrollEnabled`
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-Boolean value that determines whether scrolling is enabled in the `WebView`. The default value is `true`.
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+Boolean value that determines whether scrolling is enabled in the `WebView`. The default value is `true`. Setting this to `false` will prevent the webview from moving the document body when the keyboard appears over an input.
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 | Type | Required | Platform |
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 | ---- | -------- | -------- |

+ 13
- 0
ios/RNCWKWebView.m ファイルの表示

@@ -341,6 +341,19 @@ static NSURLCredential* clientAuthenticationCredential;
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 {
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   _scrollEnabled = scrollEnabled;
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   _webView.scrollView.scrollEnabled = scrollEnabled;
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+
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+  // Override the scrollView delegate to prevent scrolling.
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+  if (!scrollEnabled) {
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+    _webView.scrollView.delegate = self;
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+  } else {
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+    _webView.scrollView.delegate = _webView;
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+  }
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+}
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+
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+- (void)scrollViewDidScroll:(UIScrollView *)scrollView
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+{
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+  // Don't allow scrolling the scrollView.
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+  scrollView.bounds = _webView.bounds;
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 }
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 - (void)setShowsHorizontalScrollIndicator:(BOOL)showsHorizontalScrollIndicator