feat: remove precurrentitemsunload

src/app_common/Model.zig

@@ -3,25 +3,13 @@ usage_number: locked(u16) = .{ .data = 0 },
 current_items: locked(?[]Arc(*models.Item).Weak) = .{ .data = null },
 allocator: std.mem.Allocator,
 appState: AppState,
-_private: Private,
-
-const Private = struct {
-    preCurrentItemsUnload: Observer(*Tab),
-};
 
 pub fn init(model: *Self, allocator: std.mem.Allocator, appState: AppState) !void {
     model.* = Self{
         .allocator = allocator,
         .appState = appState,
-        ._private = .{
-            .preCurrentItemsUnload = Observer(*Tab){
-                .ctx = @ptrCast(@alignCast(model)),
-                .update = preCurrentItemsUnload,
-            },
-        },
     };
 
-    try model.appState.tabPreCurrentItemsUnload.attach(&model._private.preCurrentItemsUnload);
 }
 
 pub fn updateCurrentItems(self: *Self, tab_current_items: *std.ArrayList(Arc(*models.Item))) !void {
@@ -65,14 +53,6 @@ pub fn updateCurrentItems(self: *Self, tab_current_items: *std.ArrayList(Arc(*mo
     self.current_items.data = items;
 }
 
-pub fn preCurrentItemsUnload(ctx: *anyopaque, tab: *Tab) void {
-    const self: *Self = @ptrCast(@alignCast(ctx));
-    if (tab == self.appState.currentTab) {
-        // @panic("asdasdasd");
-        self.resetCurrentItems();
-    }
-}
-
 fn resetCurrentItems(self: *@This()) void {
     self.current_items.mutex.lock();
     defer self.current_items.mutex.unlock();
@@ -89,7 +69,6 @@ fn resetCurrentItems(self: *@This()) void {
 }
 
 pub fn deinit(self: *@This()) void {
-    self.appState.tabPreCurrentItemsUnload.detach(&self._private.preCurrentItemsUnload);
     self.appState.deinit();
 
     self.resetCurrentItems();

src/core/tab/tab.zig

@@ -4,7 +4,6 @@ pub const Tab = struct {
     currentItems: locked(?std.ArrayList(Arc(*Item))),
     currentLocationChanged: Observable(?*Container),
     currentItemsChanged: bool = false,
-    preCurrentItemsUnload: Observable(*Tab),
     threadPool: *std.Thread.Pool,
     rootProvider: *RootProvider,
 
@@ -21,7 +20,6 @@ pub const Tab = struct {
             .currentLocation = null,
             .threadPool = threadPool,
             .rootProvider = rootProvider,
-            .preCurrentItemsUnload = Observable(*Tab).init(allocator),
         };
     }
 
@@ -60,8 +58,6 @@ pub const Tab = struct {
             self.currentItems.mutex.lock();
             defer self.currentItems.mutex.unlock();
 
-            self.preCurrentItemsUnload.notify(self);
-
             const data = self.currentItems.data;
             self.currentItems.data = null;
             if (data) |currentItems| {