[Webkit-unassigned] [Bug 85827] New: [Qt] [WK2] Allow user to inject JS scripts when the page loads

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=85827

           Summary: [Qt] [WK2] Allow user to inject JS scripts when the
                    page loads
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: Qt, QtTriaged
          Severity: Normal
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: cmarcelo at webkit.org


The user of WebView can specify a list of JS scripts that will be loaded in the JS environment of the page. This allow the WebView user to manipulate the DOM. The WebView user can also take advantage of the existing (experimental) messaging feature to communicate between the injected script (that has access to the DOM) and its app environment (usually in QML).

This is related to bug 75099, but with two important simplifications: we inject the scripts in the web page JS environment instead of allowing creation of isolated JS worlds, and the API is simpler.

This feature together with messaging can cover many cases previously handled by manipulating the page via QWebElement directly.

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