添加消息长按弹窗

keyBoard/Class/AiTalk/V/Chat/KBChatTableView.m

@@ -42,6 +42,7 @@ static const NSTimeInterval kTimestampInterval = 5 * 60; // 5 分钟
 @property (nonatomic, strong) UILabel *topStatusLabel;
 @property (nonatomic, assign) BOOL isTopLoading;
 @property (nonatomic, assign) BOOL isTopNoMore;
+@property (nonatomic, strong) UILongPressGestureRecognizer *messageLongPressGesture;
 
 @end
 
@@ -101,6 +102,13 @@ static const NSTimeInterval kTimestampInterval = 5 * 60; // 5 分钟
         make.edges.equalTo(self);
     }];
 
+    // 长按消息操作
+    self.messageLongPressGesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self
+                                                                                  action:@selector(handleMessageLongPress:)];
+    self.messageLongPressGesture.minimumPressDuration = 0.4;
+    self.messageLongPressGesture.cancelsTouchesInView = YES;
+    [self.tableView addGestureRecognizer:self.messageLongPressGesture];
+
     // 初始化 contentInset
     self.contentBottomInset = 0;
     [self updateContentBottomInset:self.contentBottomInset];
@@ -136,6 +144,32 @@ static const NSTimeInterval kTimestampInterval = 5 * 60; // 5 分钟
     */
 }
 
+#pragma mark - Long Press
+
+- (void)handleMessageLongPress:(UILongPressGestureRecognizer *)gesture {
+    if (gesture.state != UIGestureRecognizerStateBegan) {
+        return;
+    }
+    
+    CGPoint point = [gesture locationInView:self.tableView];
+    NSIndexPath *indexPath = [self.tableView indexPathForRowAtPoint:point];
+    if (!indexPath || indexPath.row >= self.messages.count) {
+        return;
+    }
+    
+    KBAiChatMessage *message = self.messages[indexPath.row];
+    if (!message || message.isLoading || message.type == KBAiChatMessageTypeTime) {
+        return;
+    }
+    
+    UITableViewCell *cell = [self.tableView cellForRowAtIndexPath:indexPath];
+    CGRect cellRect = cell ? [cell convertRect:cell.bounds toView:nil] : CGRectZero;
+    
+    if ([self.delegate respondsToSelector:@selector(chatTableView:didLongPressMessage:sourceRect:)]) {
+        [self.delegate chatTableView:self didLongPressMessage:message sourceRect:cellRect];
+    }
+}
+
 #pragma mark - Public Methods
 
 - (void)setInverted:(BOOL)inverted {