enable rust default option

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/client.rs

@@ -974,6 +974,8 @@ impl LoginConfigHandler {
         self.save_config(config);
     }
 
+    //to-do: too many dup code below.
+
     /// Save view style to the current config.
     ///
     /// # Arguments
@@ -985,13 +987,24 @@ impl LoginConfigHandler {
         self.save_config(config);
     }
 
+    /// Save scroll style to the current config.
+    ///
+    /// # Arguments
+    ///
+    /// * `value` - The view style to be saved.
+    pub fn save_scroll_style(&mut self, value: String) {
+        let mut config = self.load_config();
+        config.scroll_style = value;
+        self.save_config(config);
+    }
+
     /// Set a ui config of flutter for handler's [`PeerConfig`].
     ///
     /// # Arguments
     ///
     /// * `k` - key of option
     /// * `v` - value of option
-    pub fn set_ui_flutter(&mut self, k: String, v: String) {
+    pub fn save_ui_flutter(&mut self, k: String, v: String) {
         let mut config = self.load_config();
         config.ui_flutter.insert(k, v);
         self.save_config(config);

src/flutter_ffi.rs

@@ -170,7 +170,7 @@ pub fn session_get_flutter_config(id: String, k: String) -> Option<String> {
 
 pub fn session_set_flutter_config(id: String, k: String, v: String) {
     if let Some(session) = SESSIONS.write().unwrap().get_mut(&id) {
-        session.set_flutter_config(k, v);
+        session.save_flutter_config(k, v);
     }
 }
 
@@ -182,6 +182,34 @@ pub fn set_local_flutter_config(k: String, v: String) {
     ui_interface::set_local_flutter_config(k, v);
 }
 
+pub fn session_get_view_style(id: String) -> Option<String> {
+    if let Some(session) = SESSIONS.read().unwrap().get(&id) {
+        Some(session.get_view_style())
+    } else {
+        None
+    }
+}
+
+pub fn session_set_view_style(id: String, value: String) {
+    if let Some(session) = SESSIONS.write().unwrap().get_mut(&id) {
+        session.save_view_style(value);
+    }
+}
+
+pub fn session_get_scroll_style(id: String) -> Option<String> {
+    if let Some(session) = SESSIONS.read().unwrap().get(&id) {
+        Some(session.get_scroll_style())
+    } else {
+        None
+    }
+}
+
+pub fn session_set_scroll_style(id: String, value: String) {
+    if let Some(session) = SESSIONS.write().unwrap().get_mut(&id) {
+        session.save_scroll_style(value);
+    }
+}
+
 pub fn session_get_image_quality(id: String) -> Option<String> {
     if let Some(session) = SESSIONS.read().unwrap().get(&id) {
         Some(session.get_image_quality())

src/server/video_service.rs

@@ -25,12 +25,16 @@ use hbb_common::tokio::sync::{
     mpsc::{unbounded_channel, UnboundedReceiver, UnboundedSender},
     Mutex as TokioMutex,
 };
+#[cfg(not(windows))]
+use scrap::Capturer;
 use scrap::{
     codec::{Encoder, EncoderCfg, HwEncoderConfig},
     record::{Recorder, RecorderContext},
     vpxcodec::{VpxEncoderConfig, VpxVideoCodecId},
-    Capturer, Display, TraitCapturer,
+    Display, TraitCapturer,
 };
+#[cfg(windows)]
+use std::sync::Once;
 use std::{
     collections::HashSet,
     io::ErrorKind::WouldBlock,
@@ -38,8 +42,6 @@ use std::{
     time::{self, Duration, Instant},
 };
 #[cfg(windows)]
-use std::sync::Once;
-#[cfg(windows)]
 use virtual_display;
 
 pub const SCRAP_UBUNTU_HIGHER_REQUIRED: &str = "Wayland requires Ubuntu 21.04 or higher version.";

src/ui_session_interface.rs

@@ -79,6 +79,10 @@ impl<T: InvokeUiSession> Session<T> {
         self.lc.read().unwrap().view_style.clone()
     }
 
+    pub fn get_scroll_style(&self) -> String {
+        self.lc.read().unwrap().scroll_style.clone()
+    }
+
     pub fn get_image_quality(&self) -> String {
         self.lc.read().unwrap().image_quality.clone()
     }
@@ -99,8 +103,12 @@ impl<T: InvokeUiSession> Session<T> {
         self.lc.write().unwrap().save_view_style(value);
     }
 
-    pub fn set_flutter_config(&mut self, k: String, v: String) {
-        self.lc.write().unwrap().set_ui_flutter(k, v);
+    pub fn save_scroll_style(&mut self, value: String) {
+        self.lc.write().unwrap().save_scroll_style(value);
+    }
+
+    pub fn save_flutter_config(&mut self, k: String, v: String) {
+        self.lc.write().unwrap().save_ui_flutter(k, v);
     }
 
     pub fn get_flutter_config(&self, k: String) -> String {