[Webkit-unassigned] [Bug 158564] New: [Threaded Compositor] Content and viewport sizes are mixed

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=158564

            Bug ID: 158564
           Summary: [Threaded Compositor] Content and viewport sizes are
                    mixed
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: Gtk
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cgarcia at igalia.com
                CC: bugs-noreply at webkitgtk.org, yoon at igalia.com,
                    zan at falconsigh.net

So, in ThreadedCoordinatedLayerTreeHost we have:

 - sizeDidChange: called when the main frame contents size changes, but that changes also the coordinator size
 - viewportSizeChanged: called when the viewport size changes, but doesn't change the coordinator size

this is very confusing not only because we are mixing both sizes, but also because sizeDidChange is used in all other layer tree host implementations as the viewport size.

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