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Reset state of photo view controllers on page change. Close #331

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nyne
2025-04-19 10:54:25 +08:00
parent d25d72a5f7
commit aa9f4dae82
1 changed files with 7 additions and 4 deletions
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11
lib/pages/reader/images.dart
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@@ -143,7 +143,6 @@ class _GalleryModeState extends State<_GalleryMode>
/// For current page, it will do nothing because it is already on the screen.
/// For other pages, it will do a pre-download cache.
void cache(int startPage) {
print("Cache page $startPage");
for (int i = startPage - 1; i <= startPage + preCacheCount; i++) {
if (i == startPage || i <= 0 || i > totalPages) continue;
bool shouldPreCache = i == startPage + 1 || i == startPage - 1;
@@ -155,7 +154,6 @@ class _GalleryModeState extends State<_GalleryMode>
int startIndex = (page - 1) * reader.imagesPerPage;
int endIndex =
math.min(startIndex + reader.imagesPerPage, reader.images!.length);
print("Cache page $page: $startIndex-$endIndex");
for (int i = startIndex; i < endIndex; i++) {
if (shouldPreCache) {
_precacheImage(i+1, context);
@@ -264,6 +262,13 @@ class _GalleryModeState extends State<_GalleryMode>
reader.setPage(i);
context.readerScaffold.update();
}
// Remove other pages' controllers to reset their state.
var keys = photoViewControllers.keys.toList();
for (var key in keys) {
if (key != i) {
photoViewControllers.remove(key);
}
}
},
),
);
@@ -1060,7 +1065,6 @@ void _precacheImage(int page, BuildContext context) {
if (page <= 0 || page > context.reader.images!.length) {
return;
}
print("Precache image for page $page");
precacheImage(
_createImageProvider(page, context),
context,
@@ -1073,7 +1077,6 @@ void _preDownloadImage(int page, BuildContext context) {
if (page <= 0 || page > context.reader.images!.length) {
return;
}
print("Preload image for page $page");
var reader = context.reader;
var imageKey = reader.images![page - 1];
var cid = reader.cid;