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[Bug 12651] More things should set salvageable to false: XHR, plugins

From: <bugzilla@jessica.w3.org>
Date: Mon, 22 Aug 2011 20:30:36 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1Qvb8m-0007YO-Nz@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=12651

--- Comment #7 from Jonas Sicking <jonas@sicking.cc> 2011-08-22 20:30:35 UTC ---
Gecko also doesn't have any XHR specific code. We do however prevent bfcaching
of any page which has open network connections.

Potentially ideally we should exempt EventSource from this so network
connections held open by a page using EventSource *doesn't* set salvageable to
false.

But any other network connections, such as dynamically loaded <img> or XHR
causes the salvageable flag to be false.

And for these purposes, "network connections" include connections to the
filesystem. So a FileReader which is currently reading a Blob or File will also
cause salvageable to be false.

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Received on Monday, 22 August 2011 20:30:41 UTC

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