intent prototype and ship: interactive-widget

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Hiroyuki Ikezoe

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Sep 26, 2024, 8:17:15 PMSep 26

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As of Fenix version 132, I intend to turn the default interactive-widget mode `resizes-visual` on by default. The `interactive-widget` feature itself has been available since bug 1831649

Summary: `interactive-widget` provides a way to choose how the visual/layout viewports

are resized when the software keyboard is shown
Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1831649
Bug to turn on by default: https://bugzilla.mozilla.org/show_bug.cgi?id=1916002
Specification: https://drafts.csswg.org/css-viewport/#interactive-widget-section
Standards Body: CSSWG
Platform coverage: Android
Preference: There's one preference named `dom.interactive_widget_default_resizes_visual` to flip the default interactive-widget mode
DevTools bug: N/A
Other browsers: Blink has shipped (since 108?), WebKit hasn't but WebKit's default behavior matches the default interactive-widget behavior defined in the spec

web-platform-tests: There's no web-platform-tests, but there are a couple of test cases in a mochitest [1]

[1] https://searchfox.org/mozilla-central/rev/a2faa4127e3d08e663efb2db42c68afcb06a9b76/layout/base/tests/test_interactive_widget.html