MSHTML: virtualBuffer for embedded applications does not listen for DOM mutations #4798
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Attachment domMutationInAndOutOfEmbeddedApp.html added by mdcurran on 2015-01-14 03:53 |
Comment 1 by Michael Curran <mick@... on 2015-01-14 04:05
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Comment 2 by Michael Curran <mick@... on 2015-01-29 00:10
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Reported by mdcurran on 2015-01-14 03:51
in MSHTML virtualBuffers, we currently listen for DOM mutations (insertion and removal of DOM nodes) by using MSHTML's iMarkupPointer interfaces. However, we only request this for body and frameset nodes. Therefore, if you were to force creation of a virtualBuffer within an ARIA application that was deeper than the body node, NVDA would not listen for DOM mutations for the inner virtualBuffer.
We need to track whether an MSHTML controlFieldNode in a virtualBuffer is / will be the root of the backend's buffer or not, if it is, then this should be good enough to request DOM mutation listening, even if this node is not the body or a frameset.
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