[Webkit-unassigned] [Bug 47670] New: Pages that use DeviceOrientation and DeviceMotion should be able to use the PageCache

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=47670

           Summary: Pages that use DeviceOrientation and DeviceMotion
                    should be able to use the PageCache
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: steveblock at google.com
            Blocks: 30335


Pages that use DeviceOrientation and DeviceMotion were prevented from using the PageCache in http://trac.webkit.org/changeset/69646. This is because we want the client to be stopped as soon as the page is navigated away, but listeners are not removed, and hence the client is not stopped, if the page goes into the page cache.

We should update the logic of the clients to allow them to be paused without the listeners being removed. This would allow the clients to be paused while the page is in the page cache and then resumed when the page is taken from the page cache.

See also the test fast/dom/DeviceOrientation/event-after-navigation.html added in http://trac.webkit.org/changeset/69764.

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