[Webkit-unassigned] [Bug 184210] New: REGRESSION (-r230129): web view doesn’t update or respond to resizing until client calls policy decision handler

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=184210

            Bug ID: 184210
           Summary: REGRESSION (-r230129): web view doesn’t update or
                    respond to resizing until client calls policy decision
                    handler
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P1
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mitz at webkit.org
                CC: cdumez at apple.com

In TOT (r230129), WKWebView isn’t updating and responding to resizing between when it calls -webView:decidePolicyForNavigationAction:decisionHandler: and when the client calls the decision handler. To see the bug, build and run attachment 336921. Click the WebKit link in the window and observe that as long as the sheet is up, the link remains red, the seconds counter isn’t updating, and resizing the window doesn’t cause the yellow rectangle to resize to fit the new width.

Compare to the correct behavior with built-in WebKit in macOS 10.13.4, where the link reverts to inactive color, the numbers keep updating, and the rectangle follows along as the window is resized.

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