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fix: issue-942, issue-967, fixed images positioning for blog posts

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This commit is contained in:
misha
2026-08-28 10:05:40 +03:00
parent 8f933118a3
commit 10af279d87
22 changed files with 484 additions and 84 deletions
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166
lib/features/feed/presentation/widgets/blog_post_media_content.dart
View File

@@ -39,15 +39,17 @@ class BlogPostMediaContent extends StatefulWidget {
class _BlogPostMediaContentState extends State<BlogPostMediaContent> {
static const _counterDisplayDuration = Duration(seconds: 1);
/// Landscape / video slide aspect (width / height).
/// Fallback while the real photo size is unknown, and for video-only.
static const _horizontalAspectRatio = 16 / 9;
/// Portrait slide aspect (width / height).
static const _verticalAspectRatio = 3 / 4;
bool _isCounterVisible = false;
Timer? _counterHideTimer;
final Map<String, double> _aspectByUrl = {};
final Map<String, ImageStream> _aspectStreams = {};
final Map<String, ImageStreamListener> _aspectListeners = {};
bool get _hasVideo =>
widget.videoEmbedUrl != null && widget.videoEmbedUrl!.trim().isNotEmpty;
@@ -82,7 +84,6 @@ class _BlogPostMediaContentState extends State<BlogPostMediaContent> {
bool get _shouldShowCounter => !_isCurrentSlideVideo || _isCounterVisible;
/// Height is fixed for the whole post from the first gallery image (web-like).
String get _postOrientation {
if (_gallery.isNotEmpty) {
return _gallery.first.orientation;
@@ -90,23 +91,89 @@ class _BlogPostMediaContentState extends State<BlogPostMediaContent> {
return 'horizontal';
}
double _heightForAspect(double aspectRatio, double width) {
if (aspectRatio <= 0) {
return width / _horizontalAspectRatio;
}
return width / aspectRatio;
}
double _heightForOrientation(String orientation, double width) {
final aspectRatio = orientation == 'vertical'
? _verticalAspectRatio
: _horizontalAspectRatio;
final maxHeight = MediaQuery.sizeOf(context).height * 0.7;
return (width / aspectRatio).clamp(180.0, maxHeight);
return _heightForAspect(aspectRatio, width);
}
/// Window height follows the current photo's real size, not a fake 16:9 / 3:4 box.
double _mediaHeight(double width) {
final gallery = _gallery;
if (gallery.isEmpty) {
return _heightForOrientation(_postOrientation, width);
}
final index = widget.currentGalleryIndex;
final image = index < gallery.length ? gallery[index] : gallery.first;
final aspect = _aspectByUrl[image.url];
if (aspect != null && aspect > 0) {
return _heightForAspect(aspect, width);
}
return _heightForOrientation(image.orientation, width);
}
void _syncAspectListeners() {
final urls = _gallery.map((image) => image.url).toSet();
for (final url in _aspectStreams.keys.toList()) {
if (urls.contains(url)) {
continue;
}
final stream = _aspectStreams.remove(url);
final listener = _aspectListeners.remove(url);
if (stream != null && listener != null) {
stream.removeListener(listener);
}
_aspectByUrl.remove(url);
}
for (final url in urls) {
if (_aspectStreams.containsKey(url)) {
continue;
}
final stream = CachedNetworkImageProvider(
url,
).resolve(ImageConfiguration.empty);
final listener = ImageStreamListener((info, _) {
final aspect = info.image.width / info.image.height;
if (!mounted || aspect <= 0 || _aspectByUrl[url] == aspect) {
return;
}
setState(() => _aspectByUrl[url] = aspect);
}, onError: (_, _) {});
stream.addListener(listener);
_aspectStreams[url] = stream;
_aspectListeners[url] = listener;
}
}
@override
void initState() {
super.initState();
_syncAspectListeners();
}
@override
void dispose() {
_counterHideTimer?.cancel();
for (final url in _aspectStreams.keys) {
_aspectStreams[url]!.removeListener(_aspectListeners[url]!);
}
super.dispose();
}
@override
void didUpdateWidget(covariant BlogPostMediaContent oldWidget) {
super.didUpdateWidget(oldWidget);
_syncAspectListeners();
if (oldWidget.currentGalleryIndex != widget.currentGalleryIndex) {
_scheduleCounterHideOnVideo();
}
@@ -138,16 +205,26 @@ class _BlogPostMediaContentState extends State<BlogPostMediaContent> {
return false;
}
Widget _imageSlide(String itemUrl, int itemIndex, double height) {
Widget _photo(String url, {required double width, double? height}) {
return CachedNetworkImage(
fit: BoxFit.fitWidth,
alignment: Alignment.center,
width: width,
height: height,
imageUrl: url,
errorWidget: (context, str, object) => const SizedBox.shrink(),
);
}
Widget _imageSlide(
String itemUrl,
int itemIndex, {
required double width,
required double height,
}) {
return GestureDetector(
onTap: () => widget.onOpenGallery(_galleryUrls, itemIndex),
child: CachedNetworkImage(
fit: BoxFit.cover,
width: MediaQuery.sizeOf(context).width,
height: height,
imageUrl: itemUrl,
errorWidget: (context, str, object) => const SizedBox.shrink(),
),
child: _photo(itemUrl, width: width, height: height),
);
}
@@ -175,6 +252,8 @@ class _BlogPostMediaContentState extends State<BlogPostMediaContent> {
viewportFraction: 1,
height: height,
enableInfiniteScroll: false,
disableCenter: true,
padEnds: false,
onPageChanged: (index, _) => widget.onGalleryChanged(index),
),
),
@@ -200,29 +279,51 @@ class _BlogPostMediaContentState extends State<BlogPostMediaContent> {
@override
Widget build(BuildContext context) {
return LayoutBuilder(
builder: (context, constraints) {
final width = constraints.maxWidth.isFinite
? constraints.maxWidth
: MediaQuery.sizeOf(context).width;
return _buildMedia(width);
},
);
}
Widget _buildMedia(double width) {
final gallery = _gallery;
final width = MediaQuery.sizeOf(context).width;
final mediaHeight = _heightForOrientation(_postOrientation, width);
final mediaHeight = _mediaHeight(width);
if (gallery.length > 1 || (gallery.length == 1 && _hasVideo)) {
final itemCount = _slideCount;
return _carousel(
itemCount: itemCount,
height: mediaHeight,
itemBuilder: (context, itemIndex) {
if (itemIndex < gallery.length) {
return _imageSlide(gallery[itemIndex].url, itemIndex, mediaHeight);
}
if (_hasVideo) {
return _videoSlide();
}
return const SizedBox.shrink();
},
return AnimatedSize(
duration: const Duration(milliseconds: 200),
curve: Curves.easeInOut,
child: _carousel(
itemCount: itemCount,
height: mediaHeight,
itemBuilder: (context, itemIndex) {
if (itemIndex < gallery.length) {
return _imageSlide(
gallery[itemIndex].url,
itemIndex,
width: width,
height: mediaHeight,
);
}
if (_hasVideo) {
return _videoSlide();
}
return const SizedBox.shrink();
},
),
);
}
if (gallery.length == 1) {
return _imageSlide(gallery.first.url, 0, mediaHeight);
return GestureDetector(
onTap: () => widget.onOpenGallery(_galleryUrls, 0),
child: _photo(gallery.first.url, width: width),
);
}
if (_hasVideo) {
@@ -230,12 +331,7 @@ class _BlogPostMediaContentState extends State<BlogPostMediaContent> {
}
if (widget.imageUrl.isNotEmpty) {
final image = CachedNetworkImage(
fit: BoxFit.fitWidth,
width: width,
imageUrl: widget.imageUrl,
errorWidget: (context, str, object) => const SizedBox.shrink(),
);
final image = _photo(widget.imageUrl, width: width);
return GestureDetector(
onTap: () => widget.onOpenGallery([widget.imageUrl], 0),
child: widget.heroTag == null

1
lib/features/feed/presentation/widgets/blog_post_widget.dart
View File

@@ -199,6 +199,7 @@ class _BlogPostHeader extends StatelessWidget {
),
CustomPopup(
isAuthor: post.author.authorIsMe,
isAuthorAdmin: post.author.isAdmin,
complainedContentType: ComplainedContent.posts,
path: 'blog_post/${post.id}',
id: post.id,

1
lib/features/feed/presentation/widgets/diets_widget.dart
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@@ -80,6 +80,7 @@ class _DietsWidgetState extends State<DietsWidget> {
borderRadius: BorderRadius.circular(4),
child: CustomPopup(
isAuthor: widget.diet.author.authorIsMe,
isAuthorAdmin: widget.diet.author.isAdmin,
path: 'diet/${widget.diet.slug}',
id: widget.diet.id,
complainedContentType: ComplainedContent.diet,

1
lib/features/feed/presentation/widgets/plan_widget.dart
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@@ -85,6 +85,7 @@ class _PlanWidgetState extends State<PlanWidget> {
borderRadius: BorderRadius.circular(4),
child: CustomPopup(
isAuthor: widget.plan.author.authorIsMe,
isAuthorAdmin: widget.plan.author.isAdmin,
path: 'plan/${widget.plan.slug}',
id: widget.plan.id,
slug: widget.plan.slug,

1
lib/features/feed/presentation/widgets/recipes_widget.dart
View File

@@ -115,6 +115,7 @@ class _RecipesWidgetState extends State<RecipesWidget> {
borderRadius: BorderRadius.circular(4),
child: CustomPopup(
isAuthor: widget.recipe.author.authorIsMe,
isAuthorAdmin: widget.recipe.author.isAdmin,
path: 'recipe/${widget.recipe.slug}',
slug: widget.recipe.slug,
complainedContentType: ComplainedContent.recipe,