opt publish page

Signed-off-by: dom <githubaccount56556@proton.me>

lib/pages/common/publish/common_publish_page.dart

@@ -27,7 +27,8 @@ abstract class CommonPublishPage<T> extends StatefulWidget {
 abstract class CommonPublishPageState<T extends CommonPublishPage>
     extends State<T>
     with WidgetsBindingObserver {
-  late final FocusNode focusNode;
+  late bool _paused = false;
+  final FocusNode focusNode = FocusNode();
   late final controller = ChatBottomPanelContainerController<PanelType>(
     uiScale: Pref.uiScale,
   );
@@ -42,23 +43,19 @@ abstract class CommonPublishPageState<T extends CommonPublishPage>
   bool hasPub = false;
   void initPubState();
 
+  bool get handleKeyboard => Platform.isAndroid && widget.autofocus;
+
   @override
   void initState() {
     super.initState();
-    if (Platform.isAndroid) {
+    if (handleKeyboard) {
       WidgetsBinding.instance.addObserver(this);
     }
 
-    focusNode = FocusNode();
-
     initPubState();
 
     if (widget.autofocus) {
-      Future.delayed(const Duration(milliseconds: 300), () {
-        if (mounted) {
-          focusNode.requestFocus();
-        }
-      });
+      _requestFocus(duration: const Duration(milliseconds: 300));
     }
   }
 
@@ -69,35 +66,41 @@ abstract class CommonPublishPageState<T extends CommonPublishPage>
     }
     focusNode.dispose();
     editController.dispose();
-    if (Platform.isAndroid) {
+    if (handleKeyboard) {
       WidgetsBinding.instance.removeObserver(this);
     }
     super.dispose();
   }
 
-  void _requestFocus() {
-    Future.delayed(const Duration(microseconds: 200), focusNode.requestFocus);
+  void _safeRequestFocus() {
+    if (mounted) {
+      focusNode.requestFocus();
+    }
+  }
+
+  void _requestFocus({Duration duration = const Duration(microseconds: 200)}) {
+    Future.delayed(duration, _safeRequestFocus);
   }
 
   @override
   void didChangeAppLifecycleState(AppLifecycleState state) {
-    if (state == AppLifecycleState.resumed) {
-      if (mounted &&
-          widget.autofocus &&
-          (panelType.value == PanelType.keyboard ||
-              panelType.value == PanelType.none)) {
-        controller.restoreChatPanel();
-        WidgetsBinding.instance.addPostFrameCallback((_) {
-          if (focusNode.hasFocus) {
-            focusNode.unfocus();
-            _requestFocus();
-          } else {
-            _requestFocus();
-          }
-        });
+    if (state == .resumed) {
+      if (_paused) {
+        _paused = false;
+        final panelType = this.panelType.value;
+        if (panelType == .keyboard || panelType == .none) {
+          WidgetsBinding.instance.addPostFrameCallback((_) {
+            if (focusNode.hasFocus) {
+              focusNode.unfocus();
+              _requestFocus();
+            } else {
+              _requestFocus();
+            }
+          });
+        }
       }
-    } else if (state == AppLifecycleState.paused) {
-      controller.keepChatPanel();
+    } else if (state == .paused) {
+      _paused = true;
       if (focusNode.hasFocus) {
         focusNode.unfocus();
       }

lib/pages/common/publish/common_rich_text_pub_page.dart

@@ -111,27 +111,23 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
       clipBehavior: Clip.none,
       children: [
         GestureDetector(
-          onTap: () async {
-            controller.keepChatPanel();
-            await PageUtils.imageView(
-              imgList: imageList
-                  .map(
-                    (img) => switch (img) {
-                      FilePicModel e => SourceModel(
-                        url: e.path,
-                        sourceType: .fileImage,
-                      ),
-                      OpusPicModel e => SourceModel(
-                        url: e.url!,
-                        sourceType: .networkImage,
-                      ),
-                    },
-                  )
-                  .toList(),
-              initialPage: index,
-            );
-            controller.restoreChatPanel();
-          },
+          onTap: () => PageUtils.imageView(
+            imgList: imageList
+                .map(
+                  (img) => switch (img) {
+                    FilePicModel e => SourceModel(
+                      url: e.path,
+                      sourceType: .fileImage,
+                    ),
+                    OpusPicModel e => SourceModel(
+                      url: e.url!,
+                      sourceType: .networkImage,
+                    ),
+                  },
+                )
+                .toList(),
+            initialPage: index,
+          ),
           onLongPress: () {
             Feedback.forLongPress(context);
             onClear();
@@ -328,7 +324,6 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
 
   late double _mentionOffset = 0;
   Future<void>? onMention([bool fromClick = false]) async {
-    controller.keepChatPanel();
     final res = await DynMentionPanel.onDynMention(
       context,
       offset: _mentionOffset,
@@ -345,7 +340,6 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
         res.clear();
       }
     }
-    controller.restoreChatPanel();
   }
 
   void _onInsertUser(MentionItem e, bool fromClick) {