Add volume selection feature

Author: vdavid

docs/notes/2025-12-29-make-files-load-super-fast-tasks.md

@@ -28,10 +28,10 @@ Goal: Eliminate Svelte reactivity freeze by keeping file data outside reactive s
     - [x] Store provides `getAllFiltered()` for current implementation (full virtual scroll getRange coming in Phase 2)
     - [x] `storeVersion` reactive trigger for component updates
 
-- [ ] Update `BriefList.svelte` and `FullList.svelte` (deferred to Phase 2)
-    - [ ] Accept `totalCount` prop for scrollbar sizing
-    - [ ] Accept `maxFilenameWidth` prop (Brief mode)
-    - [ ] On scroll, call back to parent for new visible range
+- [x] Update `BriefList.svelte` and `FullList.svelte` (deferred to Phase 2)
+    - [x] Accept `totalCount` prop for scrollbar sizing
+    - [x] Accept `maxFilenameWidth` prop (Brief mode)
+    - [x] On scroll, call back to parent for new visible range
 
 - [x] Remove old `filesVersion` pattern
     - [x] Delete `filesVersion` state variable (replaced with `storeVersion`)

docs/todo.md

@@ -1,12 +1,10 @@
 ## Listing
 
-- [x] Build a (set of) dmg release(s) and document the process
-- [...] Enable file drag&drop from the app to other apps.
-- [ ] Add "change drive" feature
-- [ ] Test with slow drives like network drives
 - [ ] We need to ask for permissions for `Downloads`, etc. Handle permission denial gracefully!
 - [ ] Add different sorting options
 - [ ] When sorting alphabetically, sort numbers ascending, not alphabetically
+- [ ] Make it handle network drives
+- [ ] Test with slow drives like network drives
 - [ ] Load iCloud sync statuses, too
 - [ ] Load Google Drive sync statuses, too
 - [ ] Load OneDrive sync statuses, too?

src-tauri/Cargo.toml

@@ -50,7 +50,8 @@ plist = "1.8.0"
 urlencoding = "2.1.3"
 objc2 = "0.6"
 objc2-foundation = { version = "0.3", features = [
-    "NSURL", "NSString", "NSDictionary", "NSDate", "NSArray", "NSValue", "NSError"
+    "NSURL", "NSString", "NSDictionary", "NSDate", "NSArray", "NSValue", "NSError",
+    "NSFileManager"
 ] }
 
 [dev-dependencies]

src-tauri/src/commands/mod.rs

@@ -6,3 +6,5 @@ pub mod icons;
 #[cfg(target_os = "macos")]
 pub mod sync_status;
 pub mod ui;
+#[cfg(target_os = "macos")]
+pub mod volumes;

src-tauri/src/commands/volumes.rs

@@ -0,0 +1,15 @@
+//! Tauri commands for volume operations.
+
+use crate::volumes::{self, DEFAULT_VOLUME_ID, VolumeInfo};
+
+/// Lists all mounted volumes.
+#[tauri::command]
+pub fn list_volumes() -> Vec<VolumeInfo> {
+    volumes::list_mounted_volumes()
+}
+
+/// Gets the default volume ID (root filesystem).
+#[tauri::command]
+pub fn get_default_volume_id() -> String {
+    DEFAULT_VOLUME_ID.to_string()
+}

src-tauri/src/icons.rs

@@ -72,6 +72,12 @@ fn fetch_icon_for_path(path: &Path) -> Option<String> {
     image_to_data_url(&dynamic_img)
 }
 
+/// Gets icon for a path as base64 data URL.
+/// Public API for use by volumes module.
+pub fn get_icon_for_path(path: &str) -> Option<String> {
+    fetch_icon_for_path(Path::new(path))
+}
+
 /// Gets the sample file path to use for fetching an icon by ID.
 /// For extension-based icons, we create an actual temp file since the OS may need it to exist.
 fn get_sample_path_for_icon_id(icon_id: &str) -> Option<PathBuf> {

src-tauri/src/lib.rs

@@ -20,6 +20,8 @@ pub mod icons;
 mod macos_icons;
 mod menu;
 mod settings;
+#[cfg(target_os = "macos")]
+mod volumes;
 
 use menu::{MenuState, SHOW_HIDDEN_FILES_ID, VIEW_MODE_BRIEF_ID, VIEW_MODE_FULL_ID, ViewMode};
 use tauri::{Emitter, Manager};
@@ -136,7 +138,11 @@ pub fn run() {
             commands::ui::show_main_window,
             commands::ui::update_menu_context,
             #[cfg(target_os = "macos")]
-            commands::sync_status::get_sync_status
+            commands::sync_status::get_sync_status,
+            #[cfg(target_os = "macos")]
+            commands::volumes::list_volumes,
+            #[cfg(target_os = "macos")]
+            commands::volumes::get_default_volume_id
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");