Files
stream-chat-flutter/packages/stream_chat_flutter/lib/src/attachment/giphy_attachment.dart
T
2021-03-16 16:35:11 +01:00

410 lines
14 KiB
Dart

import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:shimmer/shimmer.dart';
import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
import '../full_screen_media.dart';
import '../stream_chat_theme.dart';
import '../stream_svg_icon.dart';
import 'attachment_widget.dart';
class GiphyAttachment extends AttachmentWidget {
final MessageTheme messageTheme;
final ShowMessageCallback onShowMessage;
final ValueChanged<ReturnActionType> onReturnAction;
final VoidCallback onAttachmentTap;
const GiphyAttachment({
Key key,
@required Message message,
@required Attachment attachment,
Size size,
this.messageTheme,
this.onShowMessage,
this.onReturnAction,
this.onAttachmentTap,
}) : super(key: key, message: message, attachment: attachment, size: size);
@override
Widget build(BuildContext context) {
final imageUrl =
attachment.thumbUrl ?? attachment.imageUrl ?? attachment.assetUrl;
if (imageUrl == null && source == AttachmentSource.network) {
return AttachmentError();
}
if (attachment.actions != null) {
return _buildSendingAttachment(context, imageUrl);
}
return _buildSentAttachment(context, imageUrl);
}
Widget _buildSendingAttachment(BuildContext context, String imageUrl) {
final streamChannel = StreamChannel.of(context);
return Column(
mainAxisSize: MainAxisSize.min,
children: [
Card(
color: StreamChatTheme.of(context).colorTheme.white,
elevation: 2,
clipBehavior: Clip.antiAlias,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.only(
topRight: Radius.circular(16.0),
bottomRight: Radius.circular(0.0),
topLeft: Radius.circular(16.0),
bottomLeft: Radius.circular(16.0),
),
),
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.stretch,
children: <Widget>[
Stack(
children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: GestureDetector(
onTap: () => onAttachmentTap ?? _onImageTap(context),
child: ClipRRect(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(8),
topRight: Radius.circular(8),
),
child: CachedNetworkImage(
height: size?.height,
width: size?.width,
placeholder: (_, __) {
return Container(
width: size?.width,
height: size?.height,
child: Center(
child: CircularProgressIndicator(),
),
);
},
imageUrl: imageUrl,
errorWidget: (context, url, error) {
return AttachmentError(size: size);
},
fit: BoxFit.cover,
),
),
),
),
Positioned(
bottom: 16,
left: 16,
child: Material(
color: StreamChatTheme.of(context)
.colorTheme
.black
.withOpacity(.5),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 8.0,
vertical: 4.0,
),
child: Row(
children: [
StreamSvgIcon.lightning(
color:
StreamChatTheme.of(context).colorTheme.white,
size: 16,
),
Text(
'GIPHY',
style: TextStyle(
color: StreamChatTheme.of(context)
.colorTheme
.white,
fontWeight: FontWeight.bold,
fontSize: 11,
),
),
],
),
),
),
),
],
),
if (attachment.title != null)
Container(
alignment: Alignment.bottomCenter,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 8.0),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Card(
color: Colors.white,
elevation: 2,
shape: CircleBorder(),
child: IconButton(
padding: const EdgeInsets.all(0),
constraints: BoxConstraints.tight(Size(32, 32)),
icon: StreamSvgIcon.left(
size: 24.0,
),
splashRadius: 16,
onPressed: () {
streamChannel.channel.sendAction(message, {
'image_action': 'shuffle',
});
},
),
),
Expanded(
child: Center(
child: Text(
'"${attachment.title}"',
style: TextStyle(
fontStyle: FontStyle.italic,
),
),
),
),
Card(
color: Colors.white,
elevation: 2,
shape: CircleBorder(),
child: IconButton(
padding: const EdgeInsets.all(0),
constraints: BoxConstraints.tight(Size(32, 32)),
icon: StreamSvgIcon.right(
size: 24.0,
),
splashRadius: 16,
onPressed: () {
streamChannel.channel.sendAction(message, {
'image_action': 'shuffle',
});
},
),
),
],
),
),
),
SizedBox(
height: 4.0,
),
Container(
color: StreamChatTheme.of(context)
.colorTheme
.black
.withOpacity(0.2),
width: double.infinity,
height: 0.5,
),
Row(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Expanded(
child: Container(
height: 50,
child: TextButton(
onPressed: () {
streamChannel.channel.sendAction(message, {
'image_action': 'cancel',
});
},
child: Text(
'Cancel',
style: StreamChatTheme.of(context)
.textTheme
.bodyBold
.copyWith(
color: StreamChatTheme.of(context)
.colorTheme
.black
.withOpacity(0.5),
),
),
),
),
),
Container(
width: 0.5,
color: StreamChatTheme.of(context)
.colorTheme
.black
.withOpacity(0.2),
height: 50.0,
),
Expanded(
child: Container(
height: 50,
child: TextButton(
onPressed: () {
streamChannel.channel.sendAction(message, {
'image_action': 'send',
});
},
child: Text(
'Send',
style: TextStyle(
color: StreamChatTheme.of(context)
.colorTheme
.accentBlue,
fontWeight: FontWeight.bold),
),
),
),
),
],
),
],
),
),
SizedBox(
height: 4.0,
),
Align(
alignment: Alignment.centerRight,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 8.0, vertical: 4.0),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
StreamSvgIcon.eye(
color: StreamChatTheme.of(context)
.colorTheme
.black
.withOpacity(0.5),
size: 16.0,
),
SizedBox(
width: 8.0,
),
Text(
'Only visible to you',
style: StreamChatTheme.of(context)
.textTheme
.footnote
.copyWith(
color: StreamChatTheme.of(context)
.colorTheme
.black
.withOpacity(0.5)),
),
],
),
),
),
],
);
}
void _onImageTap(BuildContext context) async {
final res = await Navigator.push(
context,
MaterialPageRoute(
builder: (_) {
final channel = StreamChannel.of(context).channel;
return StreamChannel(
channel: channel,
child: FullScreenMedia(
mediaAttachments: [attachment],
userName: message.user.name,
sentAt: message.createdAt,
message: message,
onShowMessage: onShowMessage,
),
);
},
),
);
if (res != null) onReturnAction(res);
}
Widget _buildSentAttachment(BuildContext context, String imageUrl) {
return Container(
child: GestureDetector(
onTap: () async {
final res =
await Navigator.push(context, MaterialPageRoute(builder: (_) {
final channel = StreamChannel.of(context).channel;
return StreamChannel(
channel: channel,
child: FullScreenMedia(
mediaAttachments: [attachment],
userName: message.user.name,
sentAt: message.createdAt,
message: message,
onShowMessage: onShowMessage,
),
);
}));
if (res != null) onReturnAction(res);
},
child: Stack(
children: [
CachedNetworkImage(
height: size?.height,
width: size?.width,
placeholder: (_, __) {
return Shimmer.fromColors(
baseColor:
StreamChatTheme.of(context).colorTheme.greyGainsboro,
highlightColor:
StreamChatTheme.of(context).colorTheme.whiteSmoke,
child: Image.asset(
'images/placeholder.png',
fit: BoxFit.cover,
package: 'stream_chat_flutter',
),
);
},
imageUrl: imageUrl,
errorWidget: (context, url, error) {
return AttachmentError(size: size);
},
fit: BoxFit.cover,
),
Positioned(
bottom: 8,
left: 8,
child: Material(
color: StreamChatTheme.of(context)
.colorTheme
.black
.withOpacity(.5),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
child: Padding(
padding: const EdgeInsets.symmetric(
horizontal: 8.0,
vertical: 4.0,
),
child: Row(
children: [
StreamSvgIcon.lightning(
color: StreamChatTheme.of(context).colorTheme.white,
size: 16,
),
Text(
'GIPHY',
style: TextStyle(
color: StreamChatTheme.of(context).colorTheme.white,
fontWeight: FontWeight.bold,
fontSize: 11,
),
),
],
),
),
),
),
],
),
),
);
}
}