Switch to NSMetadataQuery for search, add file icons

Cargo.toml

@@ -26,7 +26,18 @@ objc2-application-services = { version = "0.3.2", default-features = false, feat
     "Processes",
 ] }
 objc2-core-foundation = "0.3.2"
-objc2-foundation = { version = "0.3.2", features = ["NSString"] }
+objc2-foundation = { version = "0.3.2", features = [
+    "NSString",
+    "NSArray",
+    "NSDate",
+    "NSMetadata",
+    "NSMetadataAttributes",
+    "NSNotification",
+    "NSObjCRuntime",
+    "NSOperation",
+    "NSPredicate",
+    "NSRunLoop",
+] }
 once_cell = "1.21.3"
 rand = "0.9.2"
 rayon = "1.11.0"

src/app.rs

@@ -21,12 +21,18 @@ pub const WINDOW_WIDTH: f32 = 500.;
 /// The default window height
 pub const DEFAULT_WINDOW_HEIGHT: f32 = 100.;
 
-/// Maximum file search results returned by a single mdfind invocation.
+/// Maximum file search results returned by a single query.
 pub const FILE_SEARCH_MAX_RESULTS: u32 = 400;
 
 /// Number of results to accumulate before flushing a batch to the UI.
 pub const FILE_SEARCH_BATCH_SIZE: u32 = 10;
 
+/// Maximum number of file search results that get icons loaded.
+pub const FILE_SEARCH_MAX_ICONS: usize = 20;
+
+/// Number of icons to accumulate before flushing a batch to the UI.
+pub const FILE_SEARCH_ICON_BATCH_SIZE: usize = 5;
+
 /// The rustcast descriptor name to be put for all rustcast commands
 pub const RUSTCAST_DESC_NAME: &str = "Utility";
 
@@ -111,6 +117,7 @@ pub enum Message {
     ChangeFocus(ArrowKey, u32),
     FileSearchResult(Vec<App>),
     FileSearchClear,
+    FileSearchIcons(Vec<(usize, iced::widget::image::Handle)>),
     SetFileSearchSender(tokio::sync::watch::Sender<(String, Vec<String>)>),
     DebouncedSearch(Id),
 }