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The interior display refuses programmatic rotation (UISceneErrorDomain 101: "The current windowing mode does not allow for programmatic changes to interface orientation"), so the rotate/fullscreen button did nothing there and the failure was swallowed. - OrientationManager tracks `canRotateProgrammatically` (from the hinge state, cleared when a geometry request is refused) and is @Observable. - The fullscreen button takes the iPad path when rotation is unavailable: details toggle in portrait, floating panel toggle in landscape, icon follows the panel state; orientation lock is hidden. The refused request itself falls back to the details toggle. Accelerometer-driven rotation requests are gated the same way. - Corner layout gate is size-only on iOS (≥900×600 including safe areas, so the status bar toggling with the layout can't oscillate it); the layout-mode setting is exposed on foldables via a hinge presence check. - Corner layout on iPhone always hides the status bar (the interior's landscape bar is a ~57pt column) and pads by the live top inset only, instead of the transient 82pt inset seen while unfolding. - The player hosting controller nudges its safe area after size transitions so fold/unfold doesn't leave SwiftUI with stale insets.
83 lines
2.8 KiB
Swift
83 lines
2.8 KiB
Swift
//
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// HingeLayoutObserver.swift
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// Yattee
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//
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// Observes the foldable device hinge (iPhone Duo) and reports whether the
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// player should use the "tabletop" layout: hinge partially open, device
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// resting like a laptop, video on the upper half and controls on the lower.
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//
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import SwiftUI
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#if os(iOS)
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struct HingeLayoutObserver: ViewModifier {
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@Binding var isTabletop: Bool
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/// Debug override: launch with `YATTEE_FORCE_TABLETOP=1` to force the
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/// tabletop layout on simulators without a hinge control.
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private static let forceTabletop = ProcessInfo.processInfo.environment["YATTEE_FORCE_TABLETOP"] == "1"
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func body(content: Content) -> some View {
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if Self.forceTabletop {
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content.onAppear { isTabletop = true }
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} else if #available(iOS 27.1, *) {
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content.onHingeChange { _, context in
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// `hinge` is nil on devices without a hinge and when the view
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// leaves a hierarchy that provides hinge updates.
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if let status = context.hinge?.status {
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// Interior display (hinge open): the system refuses
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// programmatic rotation, so the player must not offer it.
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OrientationManager.shared.canRotateProgrammatically = status == .closed
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}
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let tabletop = context.hinge?.status == .partiallyOpen
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guard tabletop != isTabletop else { return }
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withAnimation(.easeInOut(duration: 0.3)) {
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isTabletop = tabletop
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}
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}
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} else {
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content
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}
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}
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}
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/// Reports whether the device has a hinge at all (foldable iPhone), for UI
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/// that only applies to the interior display, such as the corner layout option.
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private struct HingePresenceObserver: ViewModifier {
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@Binding var hasHinge: Bool
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func body(content: Content) -> some View {
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if #available(iOS 27.1, *) {
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content.onHingeChange { _, context in
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// nil also when leaving a hinge-providing hierarchy; keep the last value then
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guard context.hinge != nil else { return }
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hasHinge = true
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}
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} else {
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content
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}
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}
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}
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extension View {
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/// Tracks the device hinge and writes whether the tabletop player layout
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/// should be active. No-op before iOS 27.1 and on devices without a hinge.
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func observeHingeLayout(isTabletop: Binding<Bool>) -> some View {
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modifier(HingeLayoutObserver(isTabletop: isTabletop))
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}
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/// Writes whether the device has a hinge. No-op before iOS 27.1.
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func observeHinge(hasHinge: Binding<Bool>) -> some View {
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modifier(HingePresenceObserver(hasHinge: hasHinge))
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}
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}
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#else
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extension View {
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func observeHinge(hasHinge: Binding<Bool>) -> some View { self }
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}
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#endif
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