45 lines
1.1 KiB
Dart
45 lines
1.1 KiB
Dart
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import 'package:flutter/foundation.dart';
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/// A "MessageDraft" structure that stores information about in-progress message drafts.
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/// MessageDraft stores text, quoted replies, and attached images.
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/// Only one draft is stored per conversation.
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class MessageDraft extends ChangeNotifier {
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String? _messageText;
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QuotedReference? _quotedReference;
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static MessageDraft empty() {
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return MessageDraft();
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}
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bool isNotEmpty() {
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return this._messageText != null || this._quotedReference != null;
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}
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String? get messageText => _messageText;
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set messageText(String? text) {
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this._messageText = text;
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notifyListeners();
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}
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set quotedReference(int index) {
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this._quotedReference = QuotedReference(index);
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notifyListeners();
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}
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QuotedReference? getQuotedMessage() {
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return this._quotedReference;
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}
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void clearQuotedReference() {
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this._quotedReference = null;
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notifyListeners();
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}
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}
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/// A QuotedReference encapsulates the state of replied-to message.
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class QuotedReference {
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int index;
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QuotedReference(this.index);
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}
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