Send in byte count instead of generic progress

Author: dvd-bnc

lib/backend/fs.dart

@@ -190,10 +190,10 @@ class TransferFileOperation extends BaseFileSystemOperation<bool> {
   final bool allowOverwrite;
 
   late final NativeCallable<Void Function(Bool)> _completeCallable;
-  late final NativeCallable<Void Function(Float)> _progressCallable;
-  final ValueNotifier<double> _progress = ValueNotifier(0);
+  late final NativeCallable<Void Function(Long, Long)> _progressCallable;
+  final ValueNotifier<(int, int)> _progress = ValueNotifier((0, 0));
 
-  ValueListenable<double> get progress => _progress;
+  ValueListenable<(int currentBytes, int totalBytes)> get progress => _progress;
 
   @override
   void _start() {
@@ -223,7 +223,7 @@ class TransferFileOperation extends BaseFileSystemOperation<bool> {
   @override
   void _create() {
     super._create();
-    _progressCallable = NativeCallable<Void Function(Float)>.listener(
+    _progressCallable = NativeCallable<Void Function(Long, Long)>.listener(
       _onProgress,
     );
     _completeCallable = NativeCallable<Void Function(Bool)>.listener(
@@ -238,8 +238,8 @@ class TransferFileOperation extends BaseFileSystemOperation<bool> {
     super._destroy();
   }
 
-  void _onProgress(double progress) {
-    _progress.value = progress;
+  void _onProgress(int current, int total) {
+    _progress.value = (current, total);
   }
 }
 

lib/backend/fs_native.dart

@@ -170,7 +170,7 @@ external void file_query_info(
     Pointer<GFile>,
     Uint32,
     Pointer<GCancellable>,
-    Pointer<NativeFunction<Void Function(Float)>>,
+    Pointer<NativeFunction<Void Function(Long, Long)>>,
     Pointer<NativeFunction<Void Function(Bool)>>,
     Pointer<Pointer<GError>>,
   )
@@ -180,7 +180,7 @@ external void file_copy(
   Pointer<GFile> dst,
   int flags,
   Pointer<GCancellable> cancellable,
-  Pointer<NativeFunction<Void Function(Float)>> progressCallback,
+  Pointer<NativeFunction<Void Function(Long, Long)>> progressCallback,
   Pointer<NativeFunction<Void Function(Bool)>> resultCallback,
   Pointer<Pointer<GError>> error,
 );
@@ -191,7 +191,7 @@ external void file_copy(
     Pointer<GFile>,
     Uint32,
     Pointer<GCancellable>,
-    Pointer<NativeFunction<Void Function(Float)>>,
+    Pointer<NativeFunction<Void Function(Long, Long)>>,
     Pointer<NativeFunction<Void Function(Bool)>>,
     Pointer<Pointer<GError>>,
   )
@@ -201,7 +201,7 @@ external bool file_move(
   Pointer<GFile> dst,
   int flags,
   Pointer<GCancellable> cancellable,
-  Pointer<NativeFunction<Void Function(Float)>> progressCallback,
+  Pointer<NativeFunction<Void Function(Long, Long)>> progressCallback,
   Pointer<NativeFunction<Void Function(Bool)>> resultCallback,
   Pointer<Pointer<GError>> error,
 );

src/src/lib.zig

@@ -18,7 +18,7 @@ pub fn AsyncResultCallback(comptime T: type) type {
 
 pub const LoopControl = extern struct { quit: bool = false };
 
-const file_progress_callback = *fn (f32) void;
+const file_progress_callback = *fn (c_long, c_long) void;
 
 // -------- ASYNC -------- //
 fn ioThread(user_data: ?*anyopaque) callconv(.c) ?*anyopaque {
@@ -195,7 +195,7 @@ fn fileProgress(current: c_long, total: c_long, user_data: ?*anyopaque) callconv
     if (user_data == null) return;
 
     const callback: file_progress_callback = @ptrCast(user_data);
-    callback(@as(f32, @floatFromInt(current)) / @as(f32, @floatFromInt(total)));
+    callback(current, total);
 }
 
 fn fileCopyFinish(obj: [*c]c.GObject, result: ?*c.GAsyncResult, user_data: ?*anyopaque) callconv(.c) void {