[Webkit-unassigned] [Bug 157431] New: WKActionSheet tries to present on wrong view controller
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri May 6 14:14:29 PDT 2016
https://bugs.webkit.org/show_bug.cgi?id=157431
Bug ID: 157431
Summary: WKActionSheet tries to present on wrong view
controller
Classification: Unclassified
Product: WebKit
Version: Safari 9
Hardware: iOS
OS: iOS 9.3
Status: NEW
Severity: Normal
Priority: P2
Component: WebKit2
Assignee: webkit-unassigned at lists.webkit.org
Reporter: kevin at sb.org
When WKActionSheet is presented, it uses `[[_sheetDelegate hostViewForSheet].window rootViewController]` as the view controller to present from. But this doesn't work if the webview is actually inside a modally-presented view controller. This results in the sheet never showing and the following logged to the console:
Warning: Attempt to present <WKActionSheet: 0x7fbdac077a00> on <RootViewController: 0x7fbda8d7b340> whose view is not in the window hierarchy!
I imagine there's also issues with the rotation behavior, since it looks like it's supposed to dismiss itself and re-present after rotation.
The correct fix is to replace -hostViewForSheet with a method that returns the host UIViewController instead, but if that's problematic a quick fix would be to walk the presentedViewController chain to find the leaf controller and present on that (but this approach will have issues with view controllers that aren't fullscreen).
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