add: send/receive file/folder

src/common.rs

@@ -1,5 +1,9 @@
+use std::sync::{Arc, Mutex};
+
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
 pub use arboard::Clipboard as ClipboardContext;
+use serde_json::json;
+
 use hbb_common::{
     allow_err,
     anyhow::bail,
@@ -14,7 +18,6 @@ use hbb_common::{
 };
 // #[cfg(any(target_os = "android", target_os = "ios", feature = "cli"))]
 use hbb_common::{config::RENDEZVOUS_PORT, futures::future::join_all};
-use std::sync::{Arc, Mutex};
 
 pub const CLIPBOARD_NAME: &'static str = "clipboard";
 pub const CLIPBOARD_INTERVAL: u64 = 333;
@@ -633,3 +636,30 @@ pub fn make_fd_to_json(fd: FileDirectory) -> String {
     fd_json.insert("entries".into(), json!(entries));
     serde_json::to_string(&fd_json).unwrap_or("".into())
 }
+
+pub fn make_fd_flutter(id: i32, entries: &Vec<FileEntry>, only_count: bool) -> String {
+    let mut m = serde_json::Map::new();
+    m.insert("id".into(), json!(id));
+    let mut a = vec![];
+    let mut n: u64 = 0;
+    for entry in entries {
+        n += entry.size;
+        if only_count {
+            continue;
+        }
+        let mut e = serde_json::Map::new();
+        e.insert("name".into(), json!(entry.name.to_owned()));
+        let tmp = entry.entry_type.value();
+        e.insert("type".into(), json!(if tmp == 0 { 1 } else { tmp }));
+        e.insert("time".into(), json!(entry.modified_time as f64));
+        e.insert("size".into(), json!(entry.size as f64));
+        a.push(e);
+    }
+    if only_count {
+        m.insert("num_entries".into(), json!(entries.len() as i32));
+    } else {
+        m.insert("entries".into(), json!(a));
+    }
+    m.insert("total_size".into(), json!(n as f64));
+    serde_json::to_string(&m).unwrap_or("".into())
+}

src/flutter.rs

@@ -27,7 +27,7 @@ use hbb_common::{
 };
 
 use crate::common::make_fd_to_json;
-use crate::{client::*, flutter_ffi::EventToUI};
+use crate::{client::*, flutter_ffi::EventToUI, make_fd_flutter};
 
 lazy_static::lazy_static! {
     // static ref SESSION: Arc<RwLock<Option<Session>>> = Default::default();
@@ -991,6 +991,9 @@ impl Connection {
                                 to,
                                 job.files().len()
                             );
+                            let m = make_fd_flutter(id, job.files(), true);
+                            self.session
+                                .push_event("update_folder_files", vec![("info", &m)]);
                             let files = job.files().clone();
                             self.read_jobs.push(job);
                             self.timer = time::interval(MILLI1);