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https://issues.apache.org/jira/browse/CB-14188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16639727#comment-16639727
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ASF GitHub Bot commented on CB-14188:
-------------------------------------

wvengen commented on issue #276: CB-14188: Add beforeload event, catching 
navigation before it happens
URL: 
https://github.com/apache/cordova-plugin-inappbrowser/pull/276#issuecomment-427342565
 
 
   Oh, wait, wasn't expecting this to be merged already ... I was still coming 
back to processing the feedback of @brodybits on the callback mechanism. I 
suppose these points are still valid ... ?
   
   I'm also ok with having this PR included right now (so the feature can be 
used), and changing the API later (in a next major release), if somebody has a 
better way of implementing it. Or mark the API as unstable, so it can be 
changed in a point release. What shall we do?

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> Callback to decide whether to open link or not.
> -----------------------------------------------
>
>                 Key: CB-14188
>                 URL: https://issues.apache.org/jira/browse/CB-14188
>             Project: Apache Cordova
>          Issue Type: New Feature
>          Components: cordova-plugin-inappbrowser
>    Affects Versions: 3.0.0
>            Reporter: wvengen
>            Priority: Major
>
> Several times I've found myself wanting to tell inAppBrowser whether it can 
> open a link in the embedded webview or using the system web browser. It would 
> be great if there's a callback _before_ loading a page (loadstart is too late 
> there), where I can tell inAppBrowser to load the page or not.
> CB-14013 introduced AllowedSchemes, but excluded the use of http and https. 
> -It would be useful to allow intercepting http and https links, e.g. to 
> decide whether to open the link in the system web browser or not.- At first I 
> thought this mechanism could be used, but because of the asynchronous nature 
> of Cordova callbacks, this didn't work out, and I added a beforeload 
> callback. See comment for an example.
> I've submitted a PR -(my approach would be to generate a regexp based on 
> AllowedSchemes and match the URL on that, instead of the current if logic)-.



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