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feat: show back and forward swipes as visible page transitions

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randogoth 2026-10-11 10:38:50 +03:00
parent 65e693b9c6
commit 204aee899a
4 changed files with 387 additions and 11 deletions
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29
app/lib/presentation/reader/reader_screen.dart
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@ -12,6 +12,7 @@ import 'fob.dart';
import 'mews_page_view.dart';
import 'palettes.dart';
import 'settings_sheet.dart';
import 'swipe_navigator.dart';
/// The whole v1 UI: an address bar that hides on scroll, the page reader with
/// swipe back/forward, a settings FOB that appears on scroll, and error
@ -86,18 +87,24 @@ class _ReaderScreenState extends State<ReaderScreen> {
child: SignalBuilder(builder: (context) {
final browser = deps.browser;
final page = browser.currentPage.value;
// The swipe peek uses the current page's palette when there is
// one, so the neighbor slides in on matching paper.
final peekBackground = page == null
? Theme.of(context).scaffoldBackgroundColor
: paletteFor(
pageVariant: page.variant,
readerVariant: deps.settings.variant.value,
dark: Theme.of(context).brightness == Brightness.dark,
).background;
return GestureDetector(
behavior: HitTestBehavior.deferToChild,
onHorizontalDragEnd: (details) {
final velocity = details.primaryVelocity ?? 0;
// Swipe right goes back, swipe left goes forward.
if (velocity > 300) {
browser.back();
} else if (velocity < -300) {
browser.forward();
}
},
return SwipeNavigator(
canGoBack: browser.canGoBack,
canGoForward: browser.canGoForward,
backTitle: browser.backTitle.value,
forwardTitle: browser.forwardTitle.value,
background: peekBackground,
onBack: browser.back,
onForward: browser.forward,
child: Stack(
children: [
Positioned.fill(child: _body(context, page)),