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opt: dyndetail/html ctr listener

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related #305

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>
This commit is contained in:
bggRGjQaUbCoE
2025-03-05 12:43:57 +08:00
parent ed19e13630
commit bfcea11320
2 changed files with 34 additions and 27 deletions
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37
lib/pages/dynamics/detail/view.dart
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@@ -63,8 +63,7 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
get _getImageCallback => _horizontalPreview
? (imgList, index) {
bool needReverse =
_fabAnimationCtr?.status.isForwardOrCompleted == true;
bool needReverse = _isFabVisible;
if (needReverse) {
_fabAnimationCtr?.reverse();
}
@@ -195,8 +194,7 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
} else {
ScaffoldState? scaffoldState = Scaffold.maybeOf(context);
if (scaffoldState != null) {
bool needReverse =
_fabAnimationCtr?.status.isForwardOrCompleted == true;
bool needReverse = _isFabVisible;
if (needReverse) {
_fabAnimationCtr?.reverse();
}
@@ -229,22 +227,28 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
void listener() {
// 标题
if (_dynamicDetailController.scrollController.offset > 55 &&
!_visibleTitle) {
_visibleTitle = true;
_titleStreamC.add(true);
} else if (_dynamicDetailController.scrollController.offset <= 55 &&
_visibleTitle) {
_visibleTitle = false;
_titleStreamC.add(false);
if (_dynamicDetailController.scrollController.positions.length == 1) {
if (_dynamicDetailController.scrollController.offset > 55 &&
!_visibleTitle) {
_visibleTitle = true;
_titleStreamC.add(true);
} else if (_dynamicDetailController.scrollController.offset <= 55 &&
_visibleTitle) {
_visibleTitle = false;
_titleStreamC.add(false);
}
}
// fab按钮
final ScrollDirection direction =
_dynamicDetailController.scrollController.position.userScrollDirection;
if (direction == ScrollDirection.forward) {
final ScrollDirection direction1 = _dynamicDetailController
.scrollController.positions.first.userScrollDirection;
late final ScrollDirection direction2 = _dynamicDetailController
.scrollController.positions.last.userScrollDirection;
if (direction1 == ScrollDirection.forward ||
direction2 == ScrollDirection.forward) {
_showFab();
} else if (direction == ScrollDirection.reverse) {
} else if (direction1 == ScrollDirection.reverse ||
direction2 == ScrollDirection.reverse) {
_hideFab();
}
}
@@ -384,6 +388,7 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
Expanded(
flex: _ratio[0].toInt(),
child: CustomScrollView(
controller: _dynamicDetailController.scrollController,
physics: const AlwaysScrollableScrollPhysics(),
slivers: [
SliverPadding(