(In reply to Emilio Cobos Álvarez (:emilio) from comment #5) > If the window is hidden by a virtual desktop we should arguably be marking the document as hidden, yeah. Sotaro, I wonder if the Windows occlusion work that you've been doing fixes this (on Windows at least)? I confirmed that with Bug 1732737, event was fired.
Bug 1736448 Comment 8 Edit History
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(In reply to Emilio Cobos Álvarez (:emilio) from comment #5) > If the window is hidden by a virtual desktop we should arguably be marking the document as hidden, yeah. Sotaro, I wonder if the Windows occlusion work that you've been doing fixes this (on Windows at least)? I confirmed that with Bug 1732737, event was fired on Windows.