1

keyBoard/Class/AiTalk/VC/KBAIHomeVC.m

@@ -151,6 +151,14 @@
     [self loadPersonas];
 }
 
+- (void)viewDidAppear:(BOOL)animated {
+    [super viewDidAppear:animated];
+    KBPersonaChatCell *cell = [self currentPersonaCell];
+    if (cell) {
+        [cell onBecameCurrentPersonaCell];
+    }
+}
+
 - (void)viewDidLayoutSubviews {
     [super viewDidLayoutSubviews];
     if (self.bottomMaskLayer) {
@@ -387,8 +395,27 @@
 - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
     CGFloat pageHeight = scrollView.bounds.size.height;
     NSInteger currentPage = scrollView.contentOffset.y / pageHeight;
+    NSInteger previousIndex = self.currentIndex;
     self.currentIndex = currentPage;
     
+    if (previousIndex != self.currentIndex) {
+        NSIndexPath *prevPath = [NSIndexPath indexPathForItem:previousIndex inSection:0];
+        KBPersonaChatCell *prevCell = (KBPersonaChatCell *)[self.collectionView cellForItemAtIndexPath:prevPath];
+        if (prevCell) {
+            [prevCell onResignedCurrentPersonaCell];
+        }
+        
+        KBPersonaChatCell *currentCell = [self currentPersonaCell];
+        if (currentCell) {
+            [currentCell onBecameCurrentPersonaCell];
+        }
+    } else {
+        KBPersonaChatCell *currentCell = [self currentPersonaCell];
+        if (currentCell) {
+            [currentCell onBecameCurrentPersonaCell];
+        }
+    }
+    
     if (currentPage < self.personas.count) {
         NSLog(@"当前在第 %ld 个人设：%@", (long)currentPage, self.personas[currentPage].name);
         // 保存当前选中的 persona 到 AppGroup，供键盘扩展使用