diff --git a/packages/stream_chat_flutter/CHANGELOG.md b/packages/stream_chat_flutter/CHANGELOG.md index 1a04f07c..7e01d387 100644 --- a/packages/stream_chat_flutter/CHANGELOG.md +++ b/packages/stream_chat_flutter/CHANGELOG.md @@ -10,6 +10,24 @@ - [[#1490]](https://github.com/GetStream/stream-chat-flutter/issues/1490) Fixed `editMessageInputBuilder` property not used in message edit widget. +✅ Added + +- Added `StreamMessageInput.ogPreviewFilter` to allow users to filter out the og preview + links. [#1338](https://github.com/GetStream/stream-chat-flutter/issues/1338) + + ```dart + StreamMessageInput( + ogPreviewFilter: (matchedUri, messageText) { + final url = matchedUri.toString(); + if (url.contains('giphy.com')) { + // Return false to prevent the OG preview from being built. + return false; + } + // Return true to build the OG preview. + return true; + ), + ``` + ## 6.0.0 🐞 Fixed diff --git a/packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart b/packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart index b479b5ce..d7768a09 100644 --- a/packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart +++ b/packages/stream_chat_flutter/lib/src/message_input/stream_message_input.dart @@ -25,6 +25,13 @@ import 'package:stream_chat_flutter/stream_chat_flutter.dart'; const _kCommandTrigger = '/'; const _kMentionTrigger = '@'; +/// Signature for the function that determines if a [matchedUri] should be +/// previewed as an OG Attachment. +typedef OgPreviewFilter = bool Function( + Uri matchedUri, + String messageText, +); + /// Inactive state: /// /// ![screenshot](https://raw.githubusercontent.com/GetStream/stream-chat-flutter/master/packages/stream_chat_flutter/screenshots/message_input.png) @@ -114,6 +121,7 @@ class StreamMessageInput extends StatefulWidget { this.sendMessageKeyPredicate = _defaultSendMessageKeyPredicate, this.clearQuotedMessageKeyPredicate = _defaultClearQuotedMessageKeyPredicate, + this.ogPreviewFilter = _defaultOgPreviewFilter, }); /// The predicate used to send a message on desktop/web @@ -259,6 +267,18 @@ class StreamMessageInput extends StatefulWidget { /// Callback for when the quoted message is cleared final VoidCallback? onQuotedMessageCleared; + /// The filter used to determine if a link should be shown as an OpenGraph + /// preview. + final OgPreviewFilter ogPreviewFilter; + + static bool _defaultOgPreviewFilter( + Uri matchedUri, + String messageText, + ) { + // Show the preview for all links + return true; + } + static bool _defaultValidator(Message message) => message.text?.isNotEmpty == true || message.attachments.isNotEmpty; @@ -990,11 +1010,13 @@ class StreamMessageInputState extends State if (_lastSearchedContainsUrlText == value) return; _lastSearchedContainsUrlText = value; - final matchedUrls = _urlRegex.allMatches(value).toList() - ..removeWhere((it) { - final _parsedMatch = Uri.tryParse(it.group(0) ?? '')?.withScheme; - return _parsedMatch?.host.split('.').last.isValidTLD() == false; - }); + final matchedUrls = _urlRegex.allMatches(value).where((it) { + final _parsedMatch = Uri.tryParse(it.group(0) ?? '')?.withScheme; + if (_parsedMatch == null) return false; + + return _parsedMatch.host.split('.').last.isValidTLD() && + widget.ogPreviewFilter.call(_parsedMatch, value); + }).toList(); // Reset the og attachment if the text doesn't contain any url if (matchedUrls.isEmpty ||