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feat(ui): Added thumbnailSize, thumbnailResizeType, and thumbnailCropType params to StreamMessageWidget and StreamAttachmentPicker to customize the appearance of image thumbnails.

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Signed-off-by: xsahil03x <[email protected]>
This commit is contained in:
Sahil Kumar
2022-08-19 12:04:50 +05:30
committed by xsahil03x
parent 55bb828bd1
commit ae199c636a
10 changed files with 453 additions and 194 deletions
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packages/stream_chat_flutter/lib/src/attachment/image_attachment.dart
+26 -32
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@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
import 'package:shimmer/shimmer.dart';
import 'package:stream_chat_flutter/src/attachment/attachment_title.dart';
import 'package:stream_chat_flutter/src/attachment/attachment_widget.dart';
import 'package:stream_chat_flutter/src/extension.dart';
import 'package:stream_chat_flutter/stream_chat_flutter.dart';
/// {@macro image_attachment}
@@ -24,6 +25,9 @@ class StreamImageAttachment extends StreamAttachmentWidget {
this.onShowMessage,
this.onReturnAction,
this.onAttachmentTap,
this.imageThumbnailSize = const Size(400, 400),
this.imageThumbnailResizeType = 'crop',
this.imageThumbnailCropType = 'center',
});
/// [StreamMessageThemeData] for showing image title
@@ -41,6 +45,19 @@ class StreamImageAttachment extends StreamAttachmentWidget {
/// Callback when attachment is tapped
final VoidCallback? onAttachmentTap;
/// Size of the attachment image thumbnail.
final Size imageThumbnailSize;
/// Resize type of the image attachment thumbnail.
///
/// Defaults to [crop]
final String /*clip|crop|scale|fill*/ imageThumbnailResizeType;
/// Crop type of the image attachment thumbnail.
///
/// Defaults to [center]
final String /*center|top|bottom|left|right*/ imageThumbnailCropType;
@override
Widget build(BuildContext context) => source.when(
local: () {
@@ -65,43 +82,22 @@ class StreamImageAttachment extends StreamAttachmentWidget {
var imageUrl =
attachment.thumbUrl ?? attachment.imageUrl ?? attachment.assetUrl;
if (imageUrl == null) {
return AttachmentError(size: size);
}
if (imageUrl == null) return AttachmentError(size: size);
var imageUri = Uri.parse(imageUrl);
if (imageUri.host.endsWith('stream-io-cdn.com') &&
(imageUri.queryParameters['h'] == null ||
imageUri.queryParameters['h'] == '*') &&
(imageUri.queryParameters['w'] == null ||
imageUri.queryParameters['w'] == '*') &&
(imageUri.queryParameters['crop'] == null ||
imageUri.queryParameters['crop'] == '*') &&
(imageUri.queryParameters['resize'] == null ||
imageUri.queryParameters['resize'] == '*')) {
imageUri = imageUri.replace(queryParameters: {
...imageUri.queryParameters,
'h': '400', // TODO: Are these sizes optimal? Consider web/desktop
'w': '400',
'crop': 'center',
'resize': 'clip',
});
} else if (imageUri.host.endsWith('stream-cloud-uploads.imgix.net')) {
imageUri = imageUri.replace(queryParameters: {
...imageUri.queryParameters,
'height': '400',
'width': '400',
'fit': 'crop',
});
}
imageUrl = imageUri.toString();
imageUrl = imageUrl.getResizedImageUrl(
width: imageThumbnailSize.width,
height: imageThumbnailSize.height,
resize: imageThumbnailResizeType,
crop: imageThumbnailCropType,
);
return _buildImageAttachment(
context,
CachedNetworkImage(
cacheKey: imageUri.replace(queryParameters: {}).toString(),
imageUrl: imageUrl,
height: size?.height,
width: size?.width,
fit: BoxFit.cover,
placeholder: (context, __) {
final image = Image.asset(
'images/placeholder.png',
@@ -115,9 +111,7 @@ class StreamImageAttachment extends StreamAttachmentWidget {
child: image,
);
},
imageUrl: imageUrl,
errorWidget: (context, url, error) => AttachmentError(size: size),
fit: BoxFit.cover,
),
);
},