I think this is a nice-to-have, not a blocker for shipping. (Note that even desktop Firefox still uses app-modal prompts for certain cases like HTTP Auth prompts.)
Priority: -- → P4
Whiteboard: [metro-mvp][LOE:2] → [metro-mvp?][LOE:2]
Severity: normal → enhancement
Keywords: pp, ux-interruption
Hardware: x86 → All
I accidentally created a dupe of this bug. The other bug has some patches and research in it, so I'm marking this one as the duplicate. I think the rationale behind punting on this for v1 was based on the assumption that window-modal prompts were already working (or were easier to get working than tab-modal prompts). I think the amount of effort involved in properly implementing window-modal prompts is roughly equivalent to the amount of effort involved in switching to using desktop's implementation of tab-modal prompts, but the latter approach gives us code consolidation with desktop Firefox, so I think this is worth pursuing for v1.
Status: NEW → RESOLVED
Last Resolved: 5 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 866304
OS: Windows 8 Metro → Windows 8.1
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