[FL-2565] Archive: switch to browser worker #1295

applications/archive/archive.c

@@ -1,4 +1,5 @@
 #include "archive_i.h"
+#include "m-string.h"
 
 bool archive_custom_event_callback(void* context, uint32_t event) {
     furi_assert(context);
@@ -17,6 +18,7 @@ ArchiveApp* archive_alloc() {
 
     archive->gui = furi_record_open("gui");
     archive->text_input = text_input_alloc();
+    string_init(archive->fav_move_str);
 
     archive->view_dispatcher = view_dispatcher_alloc();
     archive->scene_manager = scene_manager_alloc(&archive_scene_handlers, archive);
@@ -56,6 +58,7 @@ void archive_free(ArchiveApp* archive) {
     view_dispatcher_free(archive->view_dispatcher);
     scene_manager_free(archive->scene_manager);
     browser_free(archive->browser);
+    string_clear(archive->fav_move_str);
 
     text_input_free(archive->text_input);
 

applications/archive/archive_i.h

@@ -28,6 +28,7 @@ struct ArchiveApp {
     TextInput* text_input;
     Widget* widget;
     FuriPubSubSubscription* loader_stop_subscription;
+    string_t fav_move_str;
     char text_store[MAX_NAME_LEN];
     char file_extension[MAX_EXT_LEN + 1];
 };

applications/archive/helpers/archive_apps.c

@@ -7,8 +7,14 @@ static const char* known_apps[] = {
 };
 
 ArchiveAppTypeEnum archive_get_app_type(const char* path) {
+    const char* app_name = strchr(path, ':');
+    if(app_name == NULL) {
+        return ArchiveAppTypeUnknown;
+    }
+    app_name++;
+
     for(size_t i = 0; i < COUNT_OF(known_apps); i++) {
-        if(strncmp(path, known_apps[i], strlen(known_apps[i])) == 0) {
+        if(strncmp(app_name, known_apps[i], strlen(known_apps[i])) == 0) {
             return i;
         }
     }

applications/archive/helpers/archive_browser.c

@@ -1,8 +1,91 @@
+#include "archive/views/archive_browser_view.h"
 #include "archive_files.h"
 #include "archive_apps.h"
 #include "archive_browser.h"
+#include "furi/common_defines.h"
+#include "furi/log.h"
+#include "gui/modules/file_browser_worker.h"
+#include "m-string.h"
 #include <math.h>
 
+static void
+    archive_folder_open_cb(void* context, uint32_t item_cnt, int32_t file_idx, bool is_root) {
+    furi_assert(context);
+    ArchiveBrowserView* browser = (ArchiveBrowserView*)context;
+
+    int32_t load_offset = 0;
+    browser->is_root = is_root;
+
+    if((item_cnt == 0) && (archive_is_home(browser))) {
+        archive_switch_tab(browser, browser->last_tab_switch_dir);
+    } else if(!string_start_with_str_p(browser->path, "/app:")) {
+        with_view_model(
+            browser->view, (ArchiveBrowserViewModel * model) {
+                files_array_reset(model->files);
+                model->item_cnt = item_cnt;
+                model->item_idx = (file_idx > 0) ? file_idx : 0;
+                load_offset =
+                    CLAMP(model->item_idx - FILE_LIST_BUF_LEN / 2, (int32_t)model->item_cnt, 0);
+                model->array_offset = 0;
+                model->list_offset = 0;
+                model->list_loading = true;
+                model->folder_loading = false;
+                return false;
+            });
+        archive_update_offset(browser);
+
+        file_browser_worker_load(browser->worker, load_offset, FILE_LIST_BUF_LEN);
+    }
+}
+
+static void archive_list_load_cb(void* context, uint32_t list_load_offset) {
+    furi_assert(context);
+    ArchiveBrowserView* browser = (ArchiveBrowserView*)context;
+
+    with_view_model(
+        browser->view, (ArchiveBrowserViewModel * model) {
+            files_array_reset(model->files);
+            model->array_offset = list_load_offset;
+            return false;
+        });
+}
+
+static void archive_list_item_cb(void* context, string_t item_path, bool is_folder, bool is_last) {
+    furi_assert(context);
+    ArchiveBrowserView* browser = (ArchiveBrowserView*)context;
+
+    if(!is_last) {
+        archive_add_file_item(browser, is_folder, string_get_cstr(item_path));
+    } else {
+        with_view_model(
+            browser->view, (ArchiveBrowserViewModel * model) {
+                model->list_loading = false;
+                return true;
+            });
+    }
+}
+
+static void archive_long_load_cb(void* context) {
+    furi_assert(context);
+    ArchiveBrowserView* browser = (ArchiveBrowserView*)context;
+
+    with_view_model(
+        browser->view, (ArchiveBrowserViewModel * model) {
+            model->folder_loading = true;
+            return true;
+        });
+}
+
+void archive_file_browser_set_callbacks(ArchiveBrowserView* browser) {
+    furi_assert(browser);
+
+    file_browser_worker_set_callback_context(browser->worker, browser);
+    file_browser_worker_set_folder_callback(browser->worker, archive_folder_open_cb);
+    file_browser_worker_set_list_callback(browser->worker, archive_list_load_cb);
+    file_browser_worker_set_item_callback(browser->worker, archive_list_item_cb);
+    file_browser_worker_set_long_load_callback(browser->worker, archive_long_load_cb);
+}
+
 bool archive_is_item_in_array(ArchiveBrowserViewModel* model, uint32_t idx) {
     size_t array_size = files_array_size(model->files);
 
@@ -39,9 +122,9 @@ void archive_update_focus(ArchiveBrowserView* browser, const char* target) {
     furi_assert(browser);
     furi_assert(target);
 
-    archive_get_filenames(browser, string_get_cstr(browser->path));
+    archive_get_items(browser, string_get_cstr(browser->path));
 
-    if(!archive_file_get_array_size(browser) && !archive_get_depth(browser)) {
+    if(!archive_file_get_array_size(browser) && archive_is_home(browser)) {
         archive_switch_tab(browser, TAB_RIGHT);
     } else {
         with_view_model(
@@ -49,7 +132,7 @@ void archive_update_focus(ArchiveBrowserView* browser, const char* target) {
                 uint16_t idx = 0;
                 while(idx < files_array_size(model->files)) {
                     ArchiveFile_t* current = files_array_get(model->files, idx);
-                    if(!string_search(current->name, target)) {
+                    if(!string_search(current->path, target)) {
                         model->item_idx = idx + model->array_offset;
                         break;
                     }
@@ -102,7 +185,7 @@ void archive_file_array_rm_selected(ArchiveBrowserView* browser) {
             return false;
         });
 
-    if((items_cnt == 0) && (archive_get_depth(browser) == 0)) {
+    if((items_cnt == 0) && (archive_is_home(browser))) {
         archive_switch_tab(browser, TAB_RIGHT);
     }
 
@@ -145,7 +228,7 @@ void archive_file_array_rm_all(ArchiveBrowserView* browser) {
         });
 }
 
-bool archive_file_array_load(ArchiveBrowserView* browser, int8_t dir) {
+void archive_file_array_load(ArchiveBrowserView* browser, int8_t dir) {
     furi_assert(browser);
 
     int32_t offset_new = 0;
@@ -160,22 +243,17 @@ bool archive_file_array_load(ArchiveBrowserView* browser, int8_t dir) {
                 } else {
                     offset_new = model->item_idx - FILE_LIST_BUF_LEN / 4 * 1;
                 }
-                offset_new = CLAMP(offset_new, (int32_t)model->item_cnt - FILE_LIST_BUF_LEN, 0);
+                if(offset_new > 0) {
+                    offset_new =
+                        CLAMP(offset_new, (int32_t)model->item_cnt - FILE_LIST_BUF_LEN, 0);
+                } else {
+                    offset_new = 0;
+                }
             }
             return false;
         });
 
-    bool res = archive_dir_read_items(
-        browser, string_get_cstr(browser->path), offset_new, FILE_LIST_BUF_LEN);
-
-    with_view_model(
-        browser->view, (ArchiveBrowserViewModel * model) {
-            model->array_offset = offset_new;
-            model->list_loading = false;
-            return true;
-        });
-
-    return res;
+    file_browser_worker_load(browser->worker, offset_new, FILE_LIST_BUF_LEN);
 }
 
 ArchiveFile_t* archive_get_current_file(ArchiveBrowserView* browser) {
@@ -218,26 +296,20 @@ ArchiveTabEnum archive_get_tab(ArchiveBrowserView* browser) {
     return tab_id;
 }
 
-uint8_t archive_get_depth(ArchiveBrowserView* browser) {
+bool archive_is_home(ArchiveBrowserView* browser) {
     furi_assert(browser);
 
-    uint8_t depth;
-    with_view_model(
-        browser->view, (ArchiveBrowserViewModel * model) {
-            depth = idx_last_array_size(model->idx_last);
-            return false;
-        });
-
-    return depth;
-}
+    if(browser->is_root) {
+        return true;
+    }
 
-const char* archive_get_path(ArchiveBrowserView* browser) {
-    return string_get_cstr(browser->path);
+    const char* default_path = archive_get_default_path(archive_get_tab(browser));
+    return (string_cmp_str(browser->path, default_path) == 0);
 }
 
 const char* archive_get_name(ArchiveBrowserView* browser) {
     ArchiveFile_t* selected = archive_get_current_file(browser);
-    return string_get_cstr(selected->name);
+    return string_get_cstr(selected->path);
 }
 
 void archive_set_tab(ArchiveBrowserView* browser, ArchiveTabEnum tab) {
@@ -249,37 +321,15 @@ void archive_set_tab(ArchiveBrowserView* browser, ArchiveTabEnum tab) {
             return false;
         });
 }
-void archive_set_last_tab(ArchiveBrowserView* browser, ArchiveTabEnum tab) {
-    UNUSED(tab); // FIXME?
-    furi_assert(browser);
-
-    with_view_model(
-        browser->view, (ArchiveBrowserViewModel * model) {
-            model->last_tab = model->tab_idx;
-            return false;
-        });
-}
 
 void archive_add_app_item(ArchiveBrowserView* browser, const char* name) {
     furi_assert(browser);
     furi_assert(name);
 
     ArchiveFile_t item;
-
-    string_t full_name;
-
-    string_init_set(full_name, browser->path);
-    string_cat_printf(full_name, "/%s", name);
-
-    char* app_name = strchr(string_get_cstr(full_name), ':');
-    if(app_name == NULL) {
-        string_clear(full_name);
-        return;
-    }
-
     ArchiveFile_t_init(&item);
-    string_init_set_str(item.name, name);
-    archive_set_file_type(&item, NULL, app_name + 1, true);
+    string_set_str(item.path, name);
+    archive_set_file_type(&item, name, false, true);
 
     with_view_model(
         browser->view, (ArchiveBrowserViewModel * model) {
@@ -288,29 +338,24 @@ void archive_add_app_item(ArchiveBrowserView* browser, const char* name) {
             return false;
         });
     ArchiveFile_t_clear(&item);
-    string_clear(full_name);
 }
 
-void archive_add_file_item(ArchiveBrowserView* browser, FileInfo* file_info, const char* name) {
+void archive_add_file_item(ArchiveBrowserView* browser, bool is_folder, const char* name) {
     furi_assert(browser);
-    furi_assert(file_info);
     furi_assert(name);
 
     ArchiveFile_t item;
 
-    if(archive_filter_by_extension(
-           file_info, archive_get_tab_ext(archive_get_tab(browser)), name)) {
-        ArchiveFile_t_init(&item);
-        string_init_set_str(item.name, name);
-        archive_set_file_type(&item, file_info, archive_get_path(browser), false);
+    ArchiveFile_t_init(&item);
+    string_init_set_str(item.path, name);
+    archive_set_file_type(&item, string_get_cstr(browser->path), is_folder, false);
 
-        with_view_model(
-            browser->view, (ArchiveBrowserViewModel * model) {
-                files_array_push_back(model->files, item);
-                return false;
-            });
-        ArchiveFile_t_clear(&item);
-    }
+    with_view_model(
+        browser->view, (ArchiveBrowserViewModel * model) {
+            files_array_push_back(model->files, item);
+            return false;
+        });
+    ArchiveFile_t_clear(&item);
 }
 
 void archive_show_file_menu(ArchiveBrowserView* browser, bool show) {
@@ -323,7 +368,7 @@ void archive_show_file_menu(ArchiveBrowserView* browser, bool show) {
                     model->menu_idx = 0;
                     ArchiveFile_t* selected =
                         files_array_get(model->files, model->item_idx - model->array_offset);
-                    selected->fav = archive_is_favorite("%s", string_get_cstr(selected->name));
+                    selected->fav = archive_is_favorite("%s", string_get_cstr(selected->path));
                 }
             } else {
                 model->menu = false;
@@ -344,36 +389,40 @@ void archive_favorites_move_mode(ArchiveBrowserView* browser, bool active) {
         });
 }
 
-void archive_switch_dir(ArchiveBrowserView* browser, const char* path) {
-    furi_assert(browser);
-    furi_assert(path);
-
-    string_set(browser->path, path);
-    archive_get_filenames(browser, string_get_cstr(browser->path));
-    archive_update_offset(browser);
-}
-
 void archive_switch_tab(ArchiveBrowserView* browser, InputKey key) {
     furi_assert(browser);
     ArchiveTabEnum tab = archive_get_tab(browser);
 
+    browser->last_tab_switch_dir = key;
+
     if(key == InputKeyLeft) {
         tab = ((tab - 1) + ArchiveTabTotal) % ArchiveTabTotal;
-    } else if(key == InputKeyRight) {
+    } else {
         tab = (tab + 1) % ArchiveTabTotal;
     }
 
+    browser->is_root = true;
     archive_set_tab(browser, tab);
 
-    const char* path = archive_get_default_path(tab);
+    string_set_str(browser->path, archive_get_default_path(tab));
     bool tab_empty = true;
     if(tab == ArchiveTabFavorites) {
-        if(archive_favorites_count(browser) > 0) tab_empty = false;
-    } else if(strncmp(path, "/app:", 5) == 0) {
-        if(archive_app_is_available(browser, path)) tab_empty = false;
+        if(archive_favorites_count(browser) > 0) {
+            tab_empty = false;
+        }
+    } else if(string_start_with_str_p(browser->path, "/app:")) {
+        char* app_name = strchr(string_get_cstr(browser->path), ':');
+        if(app_name != NULL) {
+            if(archive_app_is_available(browser, string_get_cstr(browser->path))) {
+                tab_empty = false;
+            }
+        }
     } else {
-        uint32_t files_cnt = archive_dir_count_items(browser, archive_get_default_path(tab));
-        if(files_cnt > 0) tab_empty = false;
+        ArchiveTabEnum tab = archive_get_tab(browser);
+        bool skip_assets = (strcmp(archive_get_tab_ext(tab), "*") == 0) ? false : true;
+        file_browser_worker_set_config(
+            browser->worker, browser->path, archive_get_tab_ext(tab), skip_assets);
+        tab_empty = false; // Empty check will be performed later
     }
 
     if((tab_empty) && (tab != ArchiveTabBrowser)) {
@@ -381,60 +430,46 @@ void archive_switch_tab(ArchiveBrowserView* browser, InputKey key) {
     } else {
         with_view_model(
             browser->view, (ArchiveBrowserViewModel * model) {
-                if(model->last_tab != model->tab_idx) {
-                    model->item_idx = 0;
-                    model->array_offset = 0;
-                    idx_last_array_reset(model->idx_last);
-                }
+                model->item_idx = 0;
+                model->array_offset = 0;
                 return false;
             });
-        archive_switch_dir(browser, archive_get_default_path(tab));
+        archive_get_items(browser, string_get_cstr(browser->path));
+        archive_update_offset(browser);
     }
-    archive_set_last_tab(browser, tab);
 }
 
-void archive_enter_dir(ArchiveBrowserView* browser, string_t name) {
+void archive_enter_dir(ArchiveBrowserView* browser, string_t path) {
     furi_assert(browser);
-    furi_assert(name);
-
-    if(string_size(name) >= (MAX_NAME_LEN - 1)) {
-        return;
-    }
+    furi_assert(path);
 
-    if(string_cmp(browser->path, name) != 0) {
-        with_view_model(
-            browser->view, (ArchiveBrowserViewModel * model) {
-                idx_last_array_push_back(model->idx_last, model->item_idx);
-                model->array_offset = 0;
-                model->item_idx = 0;
-                return false;
-            });
+    int32_t idx_temp = 0;
 
-        string_set(browser->path, name);
-    }
+    with_view_model(
+        browser->view, (ArchiveBrowserViewModel * model) {
+            idx_temp = model->item_idx;
+            return false;
+        });
 
-    archive_dir_count_items(browser, string_get_cstr(name));
-    archive_switch_dir(browser, string_get_cstr(browser->path));
+    string_set(browser->path, path);
+    file_browser_worker_folder_enter(browser->worker, path, idx_temp);
 }
 
 void archive_leave_dir(ArchiveBrowserView* browser) {
     furi_assert(browser);
 
-    const char* path = archive_get_path(browser);
-    char* last_char_ptr = strrchr(path, '/');
+    file_browser_worker_folder_exit(browser->worker);
+}
 
-    if(last_char_ptr) {
-        size_t pos = last_char_ptr - path;
-        string_left(browser->path, pos);
-    }
+void archive_refresh_dir(ArchiveBrowserView* browser) {
+    furi_assert(browser);
 
-    archive_dir_count_items(browser, path);
+    int32_t idx_temp = 0;
 
     with_view_model(
         browser->view, (ArchiveBrowserViewModel * model) {
-            idx_last_array_pop_back(&model->item_idx, model->idx_last);
+            idx_temp = model->item_idx;
             return false;
         });
-
-    archive_switch_dir(browser, path);
+    file_browser_worker_folder_refresh(browser->worker, idx_temp);
 }

applications/archive/helpers/archive_browser.h

@@ -2,11 +2,12 @@
 
 #include "../archive_i.h"
 
-#define TAB_RIGHT InputKeyRight //default tab swith direction
+#define TAB_RIGHT InputKeyRight // Default tab swith direction
+#define TAB_DEFAULT ArchiveTabFavorites // Start tab
 #define FILE_LIST_BUF_LEN 100
 
 static const char* tab_default_paths[] = {
-    [ArchiveTabFavorites] = "/any/favorites",
+    [ArchiveTabFavorites] = "/app:favorites",
     [ArchiveTabIButton] = "/any/ibutton",
     [ArchiveTabNFC] = "/any/nfc",
     [ArchiveTabSubGhz] = "/any/subghz",
@@ -62,7 +63,7 @@ bool archive_is_item_in_array(ArchiveBrowserViewModel* model, uint32_t idx);
 void archive_update_offset(ArchiveBrowserView* browser);
 void archive_update_focus(ArchiveBrowserView* browser, const char* target);
 
-bool archive_file_array_load(ArchiveBrowserView* browser, int8_t dir);
+void archive_file_array_load(ArchiveBrowserView* browser, int8_t dir);
 size_t archive_file_get_array_size(ArchiveBrowserView* browser);
 void archive_file_array_rm_selected(ArchiveBrowserView* browser);
 void archive_file_array_swap(ArchiveBrowserView* browser, int8_t dir);
@@ -73,15 +74,16 @@ void archive_set_item_count(ArchiveBrowserView* browser, uint32_t count);
 ArchiveFile_t* archive_get_current_file(ArchiveBrowserView* browser);
 ArchiveFile_t* archive_get_file_at(ArchiveBrowserView* browser, size_t idx);
 ArchiveTabEnum archive_get_tab(ArchiveBrowserView* browser);
-uint8_t archive_get_depth(ArchiveBrowserView* browser);
-const char* archive_get_path(ArchiveBrowserView* browser);
+bool archive_is_home(ArchiveBrowserView* browser);
 const char* archive_get_name(ArchiveBrowserView* browser);
 
 void archive_add_app_item(ArchiveBrowserView* browser, const char* name);
-void archive_add_file_item(ArchiveBrowserView* browser, FileInfo* file_info, const char* name);
+void archive_add_file_item(ArchiveBrowserView* browser, bool is_folder, const char* name);
 void archive_show_file_menu(ArchiveBrowserView* browser, bool show);
 void archive_favorites_move_mode(ArchiveBrowserView* browser, bool active);
 
 void archive_switch_tab(ArchiveBrowserView* browser, InputKey key);
 void archive_enter_dir(ArchiveBrowserView* browser, string_t name);
 void archive_leave_dir(ArchiveBrowserView* browser);
+void archive_refresh_dir(ArchiveBrowserView* browser);
+void archive_file_browser_set_callbacks(ArchiveBrowserView* browser);

applications/archive/helpers/archive_favorites.c

@@ -168,7 +168,8 @@ bool archive_favorites_read(void* context) {
                 if(file_exists) {
                     storage_common_stat(fs_api, string_get_cstr(buffer), &file_info);
                     storage_file_close(fav_item_file);
-                    archive_add_file_item(browser, &file_info, string_get_cstr(buffer));
+                    archive_add_file_item(
+                        browser, (file_info.flags & FSF_DIRECTORY), string_get_cstr(buffer));
                     file_count++;
                 } else {
                     storage_file_close(fav_item_file);
@@ -337,7 +338,7 @@ void archive_favorites_save(void* context) {
 
     for(size_t i = 0; i < archive_file_get_array_size(browser); i++) {
         ArchiveFile_t* item = archive_get_file_at(browser, i);
-        archive_file_append(ARCHIVE_FAV_TEMP_PATH, "%s\n", string_get_cstr(item->name));
+        archive_file_append(ARCHIVE_FAV_TEMP_PATH, "%s\n", string_get_cstr(item->path));
     }
 
     storage_common_remove(fs_api, ARCHIVE_FAV_PATH);

applications/archive/helpers/archive_files.c

@@ -6,59 +6,18 @@
 
 #define ASSETS_DIR "assets"
 
-bool archive_filter_by_extension(FileInfo* file_info, const char* tab_ext, const char* name) {
-    furi_assert(file_info);
-    furi_assert(tab_ext);
-    furi_assert(name);
-
-    bool result = false;
-
-    if(strcmp(tab_ext, "*") == 0) {
-        result = true;
-    } else if(strstr(name, tab_ext) != NULL) {
-        result = true;
-    } else if(file_info->flags & FSF_DIRECTORY) {
-        if(strstr(name, ASSETS_DIR) != NULL) {
-            result = false; // Skip assets folder in all tabs except browser
-        } else {
-            result = true;
-        }
-    }
-
-    return result;
-}
-
-void archive_trim_file_path(char* name, bool ext) {
-    char* slash = strrchr(name, '/') + 1;
-    if(strlen(slash)) strlcpy(name, slash, strlen(slash) + 1);
-    if(ext) {
-        char* dot = strrchr(name, '.');
-        if(strlen(dot)) *dot = '\0';
-    }
-}
-
-void archive_get_file_extension(char* name, char* ext) {
-    char* dot = strrchr(name, '.');
-    if(dot == NULL)
-        *ext = '\0';
-    else
-        strncpy(ext, dot, MAX_EXT_LEN);
-}
-
-void archive_set_file_type(ArchiveFile_t* file, FileInfo* file_info, const char* path, bool is_app) {
+void archive_set_file_type(ArchiveFile_t* file, const char* path, bool is_folder, bool is_app) {
     furi_assert(file);
 
     file->is_app = is_app;
     if(is_app) {
         file->type = archive_get_app_filetype(archive_get_app_type(path));
     } else {
-        furi_assert(file_info);
-
         for(size_t i = 0; i < COUNT_OF(known_ext); i++) {
             if((known_ext[i][0] == '?') || (known_ext[i][0] == '*')) continue;
-            if(string_search_str(file->name, known_ext[i], 0) != STRING_FAILURE) {
+            if(string_search_str(file->path, known_ext[i], 0) != STRING_FAILURE) {
                 if(i == ArchiveFileTypeBadUsb) {
-                    if(string_search_str(file->name, archive_get_default_path(ArchiveTabBadUsb)) ==
+                    if(string_search_str(file->path, archive_get_default_path(ArchiveTabBadUsb)) ==
                        0) {
                         file->type = i;
                         return; // *.txt file is a BadUSB script only if it is in BadUSB folder
@@ -70,7 +29,7 @@ void archive_set_file_type(ArchiveFile_t* file, FileInfo* file_info, const char*
             }
         }
 
-        if(file_info->flags & FSF_DIRECTORY) {
+        if(is_folder) {
             file->type = ArchiveFileTypeFolder;
         } else {
             file->type = ArchiveFileTypeUnknown;
@@ -78,120 +37,20 @@ void archive_set_file_type(ArchiveFile_t* file, FileInfo* file_info, const char*
     }
 }
 
-bool archive_get_filenames(void* context, const char* path) {
+bool archive_get_items(void* context, const char* path) {
     furi_assert(context);
 
-    bool res;
+    bool res = false;
     ArchiveBrowserView* browser = context;
 
     if(archive_get_tab(browser) == ArchiveTabFavorites) {
         res = archive_favorites_read(browser);
     } else if(strncmp(path, "/app:", 5) == 0) {
         res = archive_app_read_dir(browser, path);
-    } else {
-        res = archive_file_array_load(browser, 0);
     }
     return res;
 }
 
-uint32_t archive_dir_count_items(void* context, const char* path) {
-    furi_assert(context);
-    ArchiveBrowserView* browser = context;
-
-    FileInfo file_info;
-    Storage* fs_api = furi_record_open("storage");
-    File* directory = storage_file_alloc(fs_api);
-    char name[MAX_NAME_LEN];
-
-    if(!storage_dir_open(directory, path)) {
-        storage_dir_close(directory);
-        storage_file_free(directory);
-        return 0;
-    }
-
-    uint32_t files_found = 0;
-    while(1) {
-        if(!storage_dir_read(directory, &file_info, name, MAX_NAME_LEN)) {
-            break;
-        }
-        if((storage_file_get_error(directory) == FSE_OK) && (name[0])) {
-            if(archive_filter_by_extension(
-                   &file_info, archive_get_tab_ext(archive_get_tab(browser)), name)) {
-                files_found++;
-            }
-        }
-    }
-    storage_dir_close(directory);
-    storage_file_free(directory);
-
-    furi_record_close("storage");
-
-    archive_set_item_count(browser, files_found);
-
-    return files_found;
-}
-
-uint32_t archive_dir_read_items(void* context, const char* path, uint32_t offset, uint32_t count) {
-    furi_assert(context);
-
-    ArchiveBrowserView* browser = context;
-    FileInfo file_info;
-    Storage* fs_api = furi_record_open("storage");
-    File* directory = storage_file_alloc(fs_api);
-    char name[MAX_NAME_LEN];
-    snprintf(name, MAX_NAME_LEN, "%s/", path);
-    size_t path_len = strlen(name);
-
-    if(!storage_dir_open(directory, path)) {
-        storage_dir_close(directory);
-        storage_file_free(directory);
-        return false;
-    }
-
-    // Skip items before offset
-    uint32_t items_cnt = 0;
-    while(items_cnt < offset) {
-        if(!storage_dir_read(directory, &file_info, &name[path_len], MAX_NAME_LEN)) {
-            break;
-        }
-        if(storage_file_get_error(directory) == FSE_OK) {
-            if(archive_filter_by_extension(
-                   &file_info, archive_get_tab_ext(archive_get_tab(browser)), name)) {
-                items_cnt++;
-            }
-        } else {
-            break;
-        }
-    }
-    if(items_cnt != offset) {
-        storage_dir_close(directory);
-        storage_file_free(directory);
-        furi_record_close("storage");
-
-        return false;
-    }
-
-    items_cnt = 0;
-    archive_file_array_rm_all(browser);
-    while(items_cnt < count) {
-        if(!storage_dir_read(directory, &file_info, &name[path_len], MAX_NAME_LEN - path_len)) {
-            break;
-        }
-
-        if(storage_file_get_error(directory) == FSE_OK) {
-            archive_add_file_item(browser, &file_info, name);
-            items_cnt++;
-        } else {
-            break;
-        }
-    }
-    storage_dir_close(directory);
-    storage_file_free(directory);
-    furi_record_close("storage");
-
-    return (items_cnt == count);
-}
-
 void archive_file_append(const char* path, const char* format, ...) {
     furi_assert(path);
 

applications/archive/helpers/archive_files.h

@@ -19,7 +19,7 @@ typedef enum {
 } ArchiveFileTypeEnum;
 
 typedef struct {
-    string_t name;
+    string_t path;
     ArchiveFileTypeEnum type;
     bool fav;
     bool is_app;
@@ -29,25 +29,25 @@ static void ArchiveFile_t_init(ArchiveFile_t* obj) {
     obj->type = ArchiveFileTypeUnknown;
     obj->is_app = false;
     obj->fav = false;
-    string_init(obj->name);
+    string_init(obj->path);
 }
 
 static void ArchiveFile_t_init_set(ArchiveFile_t* obj, const ArchiveFile_t* src) {
     obj->type = src->type;
     obj->is_app = src->is_app;
     obj->fav = src->fav;
-    string_init_set(obj->name, src->name);
+    string_init_set(obj->path, src->path);
 }
 
 static void ArchiveFile_t_set(ArchiveFile_t* obj, const ArchiveFile_t* src) {
     obj->type = src->type;
     obj->is_app = src->is_app;
     obj->fav = src->fav;
-    string_set(obj->name, src->name);
+    string_set(obj->path, src->path);
 }
 
 static void ArchiveFile_t_clear(ArchiveFile_t* obj) {
-    string_clear(obj->name);
+    string_clear(obj->path);
 }
 
 ARRAY_DEF(
@@ -58,12 +58,7 @@ ARRAY_DEF(
      INIT_SET(API_6(ArchiveFile_t_init_set)),
      CLEAR(API_2(ArchiveFile_t_clear))))
 
-bool archive_filter_by_extension(FileInfo* file_info, const char* tab_ext, const char* name);
-void archive_set_file_type(ArchiveFile_t* file, FileInfo* file_info, const char* path, bool is_app);
-void archive_trim_file_path(char* name, bool ext);
-void archive_get_file_extension(char* name, char* ext);
-bool archive_get_filenames(void* context, const char* path);
-uint32_t archive_dir_count_items(void* context, const char* path);
-uint32_t archive_dir_read_items(void* context, const char* path, uint32_t offset, uint32_t count);
+void archive_set_file_type(ArchiveFile_t* file, const char* path, bool is_folder, bool is_app);
+bool archive_get_items(void* context, const char* path);
 void archive_file_append(const char* path, const char* format, ...);
 void archive_delete_file(void* context, const char* format, ...);

applications/archive/scenes/archive_scene_browser.c

@@ -4,9 +4,13 @@
 #include "../helpers/archive_favorites.h"
 #include "../helpers/archive_browser.h"
 #include "../views/archive_browser_view.h"
+#include "archive/scenes/archive_scene.h"
 
 #define TAG "ArchiveSceneBrowser"
 
+#define SCENE_STATE_DEFAULT (0)
+#define SCENE_STATE_NEED_REFRESH (1)
+
 static const char* flipper_app_name[] = {
     [ArchiveFileTypeIButton] = "iButton",
     [ArchiveFileTypeNFC] = "NFC",
@@ -26,7 +30,7 @@ static void archive_loader_callback(const void* message, void* context) {
 
     if(event->type == LoaderEventTypeApplicationStopped) {
         view_dispatcher_send_custom_event(
-            archive->view_dispatcher, ArchiveBrowserEventLoaderAppExit);
+            archive->view_dispatcher, ArchiveBrowserEventListRefresh);
     }
 }
 
@@ -36,14 +40,14 @@ static void archive_run_in_app(ArchiveBrowserView* browser, ArchiveFile_t* selec
 
     LoaderStatus status;
     if(selected->is_app) {
-        char* param = strrchr(string_get_cstr(selected->name), '/');
+        char* param = strrchr(string_get_cstr(selected->path), '/');
         if(param != NULL) {
             param++;
         }
         status = loader_start(loader, flipper_app_name[selected->type], param);
     } else {
         status = loader_start(
-            loader, flipper_app_name[selected->type], string_get_cstr(selected->name));
+            loader, flipper_app_name[selected->type], string_get_cstr(selected->path));
     }
 
     if(status != LoaderStatusOk) {
@@ -61,6 +65,7 @@ void archive_scene_browser_callback(ArchiveBrowserEvent event, void* context) {
 void archive_scene_browser_on_enter(void* context) {
     ArchiveApp* archive = (ArchiveApp*)context;
     ArchiveBrowserView* browser = archive->browser;
+    browser->is_root = true;
 
     archive_browser_set_callback(browser, archive_scene_browser_callback, archive);
     archive_update_focus(browser, archive->text_store);
@@ -70,6 +75,16 @@ void archive_scene_browser_on_enter(void* context) {
     archive->loader_stop_subscription =
         furi_pubsub_subscribe(loader_get_pubsub(loader), archive_loader_callback, archive);
     furi_record_close("loader");
+
+    uint32_t state = scene_manager_get_scene_state(archive->scene_manager, ArchiveAppSceneBrowser);
+
+    if(state == SCENE_STATE_NEED_REFRESH) {
+        view_dispatcher_send_custom_event(
+            archive->view_dispatcher, ArchiveBrowserEventListRefresh);
+    }
+
+    scene_manager_set_scene_state(
+        archive->scene_manager, ArchiveAppSceneBrowser, SCENE_STATE_DEFAULT);
 }
 
 bool archive_scene_browser_on_event(void* context, SceneManagerEvent event) {
@@ -95,8 +110,8 @@ bool archive_scene_browser_on_event(void* context, SceneManagerEvent event) {
         case ArchiveBrowserEventFileMenuRun:
             if(known_app) {
                 archive_run_in_app(browser, selected);
+                archive_show_file_menu(browser, false);
             }
-            archive_show_file_menu(browser, false);
             consumed = true;
             break;
         case ArchiveBrowserEventFileMenuPin:
@@ -115,11 +130,13 @@ bool archive_scene_browser_on_event(void* context, SceneManagerEvent event) {
             consumed = true;
             break;
 
-        case ArchiveBrowserEventFileMenuAction:
+        case ArchiveBrowserEventFileMenuRename:
             if(favorites) {
                 browser->callback(ArchiveBrowserEventEnterFavMove, browser->context);
             } else if((known_app) && (selected->is_app == false)) {
                 archive_show_file_menu(browser, false);
+                scene_manager_set_scene_state(
+                    archive->scene_manager, ArchiveAppSceneBrowser, SCENE_STATE_NEED_REFRESH);
                 scene_manager_next_scene(archive->scene_manager, ArchiveAppSceneRename);
             }
             consumed = true;
@@ -131,7 +148,7 @@ bool archive_scene_browser_on_event(void* context, SceneManagerEvent event) {
             consumed = true;
             break;
         case ArchiveBrowserEventEnterDir:
-            archive_enter_dir(browser, selected->name);
+            archive_enter_dir(browser, selected->path);
             consumed = true;
             break;
         case ArchiveBrowserEventFavMoveUp:
@@ -143,13 +160,13 @@ bool archive_scene_browser_on_event(void* context, SceneManagerEvent event) {
             consumed = true;
             break;
         case ArchiveBrowserEventEnterFavMove:
-            strlcpy(archive->text_store, archive_get_name(browser), MAX_NAME_LEN);
+            string_set(archive->fav_move_str, selected->path);
             archive_show_file_menu(browser, false);
             archive_favorites_move_mode(archive->browser, true);
             consumed = true;
             break;
         case ArchiveBrowserEventExitFavMove:
-            archive_update_focus(browser, archive->text_store);
+            archive_update_focus(browser, string_get_cstr(archive->fav_move_str));
             archive_favorites_move_mode(archive->browser, false);
             consumed = true;
             break;
@@ -166,18 +183,17 @@ bool archive_scene_browser_on_event(void* context, SceneManagerEvent event) {
             archive_file_array_load(archive->browser, 1);
             consumed = true;
             break;
-        case ArchiveBrowserEventLoaderAppExit:
+        case ArchiveBrowserEventListRefresh:
             if(!favorites) {
-                archive_enter_dir(browser, browser->path);
+                archive_refresh_dir(browser);
             } else {
                 archive_favorites_read(browser);
             }
-
             consumed = true;
             break;
 
         case ArchiveBrowserEventExit:
-            if(archive_get_depth(browser)) {
+            if(!archive_is_home(browser)) {
                 archive_leave_dir(browser);
             } else {
                 Loader* loader = furi_record_open("loader");

applications/archive/scenes/archive_scene_delete.c

@@ -3,6 +3,8 @@
 #include "../helpers/archive_files.h"
 #include "../helpers/archive_apps.h"
 #include "../helpers/archive_browser.h"
+#include "toolbox/path.h"
+#include "m-string.h"
 
 #define SCENE_DELETE_CUSTOM_EVENT (0UL)
 #define MAX_TEXT_INPUT_LEN 22
@@ -24,18 +26,19 @@ void archive_scene_delete_on_enter(void* context) {
     widget_add_button_element(
         app->widget, GuiButtonTypeRight, "Delete", archive_scene_delete_widget_callback, app);
 
+    string_t filename;
+    string_init(filename);
+
     ArchiveFile_t* current = archive_get_current_file(app->browser);
-    strlcpy(app->text_store, string_get_cstr(current->name), MAX_NAME_LEN);
-    char* name = strrchr(app->text_store, '/');
-    if(name != NULL) {
-        name++;
-    }
+    path_extract_filename(current->path, filename, false);
 
     char delete_str[64];
-    snprintf(delete_str, sizeof(delete_str), "\e#Delete %s?\e#", name);
+    snprintf(delete_str, sizeof(delete_str), "\e#Delete %s?\e#", string_get_cstr(filename));
     widget_add_text_box_element(
         app->widget, 0, 0, 128, 23, AlignCenter, AlignCenter, delete_str, false);
 
+    string_clear(filename);
+
     view_dispatcher_switch_to_view(app->view_dispatcher, ArchiveViewWidget);
 }
 

applications/archive/scenes/archive_scene_rename.c

@@ -2,6 +2,8 @@
 #include "../helpers/archive_favorites.h"
 #include "../helpers/archive_files.h"
 #include "../helpers/archive_browser.h"
+#include "archive/views/archive_browser_view.h"
+#include "toolbox/path.h"
 
 #define SCENE_RENAME_CUSTOM_EVENT (0UL)
 #define MAX_TEXT_INPUT_LEN 22
@@ -16,10 +18,13 @@ void archive_scene_rename_on_enter(void* context) {
 
     TextInput* text_input = archive->text_input;
     ArchiveFile_t* current = archive_get_current_file(archive->browser);
-    strlcpy(archive->text_store, string_get_cstr(current->name), MAX_NAME_LEN);
 
-    archive_get_file_extension(archive->text_store, archive->file_extension);
-    archive_trim_file_path(archive->text_store, true);
+    string_t filename;
+    string_init(filename);
+    path_extract_filename(current->path, filename, true);
+    strlcpy(archive->text_store, string_get_cstr(filename), MAX_NAME_LEN);
+
+    path_extract_extension(current->path, archive->file_extension, MAX_EXT_LEN);
 
     text_input_set_header_text(text_input, "Rename:");
 
@@ -32,9 +37,11 @@ void archive_scene_rename_on_enter(void* context) {
         false);
 
     ValidatorIsFile* validator_is_file = validator_is_file_alloc_init(
-        archive_get_path(archive->browser), archive->file_extension, NULL);
+        string_get_cstr(archive->browser->path), archive->file_extension, NULL);
     text_input_set_validator(text_input, validator_is_file_callback, validator_is_file);
 
+    string_clear(filename);
+
     view_dispatcher_switch_to_view(archive->view_dispatcher, ArchiveViewTextInput);
 }
 
@@ -46,30 +53,22 @@ bool archive_scene_rename_on_event(void* context, SceneManagerEvent event) {
         if(event.event == SCENE_RENAME_CUSTOM_EVENT) {
             Storage* fs_api = furi_record_open("storage");
 
-            string_t buffer_src;
-            string_t buffer_dst;
-
-            const char* path = archive_get_path(archive->browser);
-            const char* name = archive_get_name(archive->browser);
-
-            string_init_printf(buffer_src, "%s", name);
-            //TODO: take path from src name
-            string_init_printf(buffer_dst, "%s/%s", path, archive->text_store);
-
-            // append extension
+            const char* path_src = archive_get_name(archive->browser);
             ArchiveFile_t* file = archive_get_current_file(archive->browser);
 
-            string_cat(buffer_dst, known_ext[file->type]);
-            storage_common_rename(
-                fs_api, string_get_cstr(buffer_src), string_get_cstr(buffer_dst));
+            string_t path_dst;
+            string_init(path_dst);
+            path_extract_dirname(path_src, path_dst);
+            string_cat_printf(path_dst, "/%s%s", archive->text_store, known_ext[file->type]);
+
+            storage_common_rename(fs_api, path_src, string_get_cstr(path_dst));
             furi_record_close("storage");
 
             if(file->fav) {
-                archive_favorites_rename(name, string_get_cstr(buffer_dst));
+                archive_favorites_rename(path_src, string_get_cstr(path_dst));
             }
 
-            string_clear(buffer_src);
-            string_clear(buffer_dst);
+            string_clear(path_dst);
 
             scene_manager_next_scene(archive->scene_manager, ArchiveAppSceneBrowser);
             consumed = true;

applications/archive/views/archive_browser_view.c

@@ -1,3 +1,5 @@
+#include "assets_icons.h"
+#include "toolbox/path.h"
 #include <furi.h>
 #include "../archive_i.h"
 #include "archive_browser_view.h"
@@ -26,7 +28,7 @@ static const Icon* ArchiveItemIcons[] = {
     [ArchiveFileTypeUpdateManifest] = &I_update_10px,
     [ArchiveFileTypeFolder] = &I_dir_10px,
     [ArchiveFileTypeUnknown] = &I_unknown_10px,
-    [ArchiveFileTypeLoading] = &I_unknown_10px, // TODO loading icon
+    [ArchiveFileTypeLoading] = &I_loading_10px,
 };
 
 void archive_browser_set_callback(
@@ -100,6 +102,22 @@ static void archive_draw_frame(Canvas* canvas, uint16_t idx, bool scrollbar, boo
     canvas_draw_dot(canvas, scrollbar ? 121 : 126, (15 + idx * FRAME_HEIGHT) + 11);
 }
 
+static void archive_draw_loading(Canvas* canvas, ArchiveBrowserViewModel* model) {
+    furi_assert(model);
+
+    uint8_t width = 49;
+    uint8_t height = 47;
+    uint8_t x = 128 / 2 - width / 2;
+    uint8_t y = 64 / 2 - height / 2 + 6;
+
+    elements_bold_rounded_frame(canvas, x, y, width, height);
+
+    canvas_set_font(canvas, FontSecondary);
+    elements_multiline_text(canvas, x + 7, y + 13, "Loading...");
+
+    canvas_draw_icon(canvas, x + 13, y + 19, &A_Loading_24);
+}
+
 static void draw_list(Canvas* canvas, ArchiveBrowserViewModel* model) {
     furi_assert(model);
 
@@ -107,8 +125,8 @@ static void draw_list(Canvas* canvas, ArchiveBrowserViewModel* model) {
     bool scrollbar = model->item_cnt > 4;
 
     for(uint32_t i = 0; i < MIN(model->item_cnt, MENU_ITEMS); ++i) {
-        string_t str_buff;
-        char cstr_buff[MAX_NAME_LEN];
+        string_t str_buf;
+        string_init(str_buf);
         int32_t idx = CLAMP((uint32_t)(i + model->list_offset), model->item_cnt, 0u);
         uint8_t x_offset = (model->move_fav && model->item_idx == idx) ? MOVE_OFFSET : 0;
 
@@ -117,16 +135,14 @@ static void draw_list(Canvas* canvas, ArchiveBrowserViewModel* model) {
         if(archive_is_item_in_array(model, idx)) {
             ArchiveFile_t* file = files_array_get(
                 model->files, CLAMP(idx - model->array_offset, (int32_t)(array_size - 1), 0));
-            strlcpy(cstr_buff, string_get_cstr(file->name), string_size(file->name) + 1);
-            archive_trim_file_path(cstr_buff, archive_is_known_app(file->type));
-            string_init_set_str(str_buff, cstr_buff);
+            path_extract_filename(file->path, str_buf, archive_is_known_app(file->type));
             file_type = file->type;
         } else {
-            string_init_set_str(str_buff, "---");
+            string_set_str(str_buf, "---");
         }
 
         elements_string_fit_width(
-            canvas, str_buff, (scrollbar ? MAX_LEN_PX - 6 : MAX_LEN_PX) - x_offset);
+            canvas, str_buf, (scrollbar ? MAX_LEN_PX - 6 : MAX_LEN_PX) - x_offset);
 
         if(model->item_idx == idx) {
             archive_draw_frame(canvas, i, scrollbar, model->move_fav);
@@ -135,9 +151,9 @@ static void draw_list(Canvas* canvas, ArchiveBrowserViewModel* model) {
         }
 
         canvas_draw_icon(canvas, 2 + x_offset, 16 + i * FRAME_HEIGHT, ArchiveItemIcons[file_type]);
-        canvas_draw_str(canvas, 15 + x_offset, 24 + i * FRAME_HEIGHT, string_get_cstr(str_buff));
+        canvas_draw_str(canvas, 15 + x_offset, 24 + i * FRAME_HEIGHT, string_get_cstr(str_buf));
 
-        string_clear(str_buff);
+        string_clear(str_buf);
     }
 
     if(scrollbar) {
@@ -190,7 +206,9 @@ void archive_view_render(Canvas* canvas, void* mdl) {
 
     archive_render_status_bar(canvas, mdl);
 
-    if(model->item_cnt > 0) {
+    if(model->folder_loading) {
+        archive_draw_loading(canvas, model);
+    } else if(model->item_cnt > 0) {
         draw_list(canvas, model);
     } else {
         canvas_draw_str_aligned(
@@ -350,25 +368,31 @@ ArchiveBrowserView* browser_alloc() {
     view_set_draw_callback(browser->view, archive_view_render);
     view_set_input_callback(browser->view, archive_view_input);
 
-    string_init(browser->path);
+    string_init_set_str(browser->path, archive_get_default_path(TAB_DEFAULT));
 
     with_view_model(
         browser->view, (ArchiveBrowserViewModel * model) {
             files_array_init(model->files);
-            idx_last_array_init(model->idx_last);
+            model->tab_idx = TAB_DEFAULT;
             return true;
         });
 
+    browser->worker = file_browser_worker_alloc(browser->path, "*", false);
+    archive_file_browser_set_callbacks(browser);
+
+    file_browser_worker_set_callback_context(browser->worker, browser);
+
     return browser;
 }
 
 void browser_free(ArchiveBrowserView* browser) {
     furi_assert(browser);
 
+    file_browser_worker_free(browser->worker);
+
     with_view_model(
         browser->view, (ArchiveBrowserViewModel * model) {
             files_array_clear(model->files);
-            idx_last_array_clear(model->idx_last);
             return false;
         });
 

applications/archive/views/archive_browser_view.h

@@ -8,6 +8,7 @@
 #include <storage/storage.h>
 #include "../helpers/archive_files.h"
 #include "../helpers/archive_favorites.h"
+#include "gui/modules/file_browser_worker.h"
 
 #define MAX_LEN_PX 110
 #define MAX_NAME_LEN 255
@@ -34,7 +35,7 @@ typedef enum {
     ArchiveBrowserEventFileMenuClose,
     ArchiveBrowserEventFileMenuRun,
     ArchiveBrowserEventFileMenuPin,
-    ArchiveBrowserEventFileMenuAction,
+    ArchiveBrowserEventFileMenuRename,
     ArchiveBrowserEventFileMenuDelete,
 
     ArchiveBrowserEventEnterDir,
@@ -48,7 +49,7 @@ typedef enum {
     ArchiveBrowserEventLoadPrevItems,
     ArchiveBrowserEventLoadNextItems,
 
-    ArchiveBrowserEventLoaderAppExit,
+    ArchiveBrowserEventListRefresh,
 
     ArchiveBrowserEventExit,
 } ArchiveBrowserEvent;
@@ -56,7 +57,7 @@ typedef enum {
 static const uint8_t file_menu_actions[MENU_ITEMS] = {
     [0] = ArchiveBrowserEventFileMenuRun,
     [1] = ArchiveBrowserEventFileMenuPin,
-    [2] = ArchiveBrowserEventFileMenuAction,
+    [2] = ArchiveBrowserEventFileMenuRename,
     [3] = ArchiveBrowserEventFileMenuDelete,
 };
 
@@ -72,23 +73,23 @@ typedef enum {
 
 struct ArchiveBrowserView {
     View* view;
+    BrowserWorker* worker;
     ArchiveBrowserViewCallback callback;
     void* context;
     string_t path;
+    InputKey last_tab_switch_dir;
+    bool is_root;
 };
 
-ARRAY_DEF(idx_last_array, int32_t)
-
 typedef struct {
     ArchiveTabEnum tab_idx;
-    ArchiveTabEnum last_tab;
     files_array_t files;
-    idx_last_array_t idx_last;
 
     uint8_t menu_idx;
-    bool move_fav;
     bool menu;
+    bool move_fav;
     bool list_loading;
+    bool folder_loading;
 
     uint32_t item_cnt;
     int32_t item_idx;

applications/bad_usb/views/bad_usb_view.c

@@ -155,7 +155,7 @@ void bad_usb_set_file_name(BadUsb* bad_usb, const char* name) {
     furi_assert(name);
     with_view_model(
         bad_usb->view, (BadUsbModel * model) {
-            strncpy(model->file_name, name, MAX_NAME_LEN);
+            strlcpy(model->file_name, name, MAX_NAME_LEN);
             return true;
         });
 }

applications/debug_tools/usb_test.c

@@ -42,8 +42,8 @@ void usb_test_submenu_callback(void* context, uint32_t index) {
     } else if(index == UsbTestSubmenuIndexHidWithParams) {
         app->hid_cfg.vid = 0x1234;
         app->hid_cfg.pid = 0xabcd;
-        strncpy(app->hid_cfg.manuf, "WEN", sizeof(app->hid_cfg.manuf));
-        strncpy(app->hid_cfg.product, "FLIP", sizeof(app->hid_cfg.product));
+        strlcpy(app->hid_cfg.manuf, "WEN", sizeof(app->hid_cfg.manuf));
+        strlcpy(app->hid_cfg.product, "FLIP", sizeof(app->hid_cfg.product));
         furi_hal_usb_set_config(&usb_hid, &app->hid_cfg);
     } else if(index == UsbTestSubmenuIndexHidU2F) {
         furi_hal_usb_set_config(&usb_hid_u2f, NULL);

applications/gui/modules/file_browser_worker.c

@@ -22,10 +22,13 @@ typedef enum {
     WorkerEvtLoad = (1 << 1),
     WorkerEvtFolderEnter = (1 << 2),
     WorkerEvtFolderExit = (1 << 3),
+    WorkerEvtFolderRefresh = (1 << 4),
+    WorkerEvtConfigChange = (1 << 5),
 } WorkerEvtFlags;
 
-#define WORKER_FLAGS_ALL \
-    (WorkerEvtStop | WorkerEvtLoad | WorkerEvtFolderEnter | WorkerEvtFolderExit)
+#define WORKER_FLAGS_ALL                                                          \
+    (WorkerEvtStop | WorkerEvtLoad | WorkerEvtFolderEnter | WorkerEvtFolderExit | \
+     WorkerEvtFolderRefresh | WorkerEvtConfigChange)
 
 ARRAY_DEF(idx_last_array, int32_t)
 
@@ -253,19 +256,25 @@ static int32_t browser_worker(void* context) {
     string_init_set_str(path, BROWSER_ROOT);
     browser->item_sel_idx = -1;
 
-    // If start path is a path to the file - try finding index of this file in a folder
     string_t filename;
     string_init(filename);
-    if(browser_path_is_file(browser->path_next)) {
-        path_extract_filename(browser->path_next, filename, false);
-    }
 
-    osThreadFlagsSet(furi_thread_get_thread_id(browser->thread), WorkerEvtFolderEnter);
+    osThreadFlagsSet(furi_thread_get_thread_id(browser->thread), WorkerEvtConfigChange);
 
     while(1) {
         uint32_t flags = osThreadFlagsWait(WORKER_FLAGS_ALL, osFlagsWaitAny, osWaitForever);
         furi_assert((flags & osFlagsError) == 0);
 
+        if(flags & WorkerEvtConfigChange) {
+            // If start path is a path to the file - try finding index of this file in a folder
+            if(browser_path_is_file(browser->path_next)) {
+                path_extract_filename(browser->path_next, filename, false);
+            }
+            idx_last_array_reset(browser->idx_last);
+
+            osThreadFlagsSet(furi_thread_get_thread_id(browser->thread), WorkerEvtFolderEnter);
+        }
+
         if(flags & WorkerEvtFolderEnter) {
             string_set(path, browser->path_next);
             bool is_root = browser_folder_check_and_switch(path);
@@ -304,6 +313,23 @@ static int32_t browser_worker(void* context) {
             }
         }
 
+        if(flags & WorkerEvtFolderRefresh) {
+            bool is_root = browser_folder_check_and_switch(path);
+
+            int32_t file_idx = 0;
+            string_reset(filename);
+            browser_folder_init(browser, path, filename, &items_cnt, &file_idx);
+            FURI_LOG_D(
+                TAG,
+                "Refresh folder: %s items: %u idx: %d",
+                string_get_cstr(path),
+                items_cnt,
+                browser->item_sel_idx);
+            if(browser->folder_cb) {
+                browser->folder_cb(browser->cb_ctx, items_cnt, browser->item_sel_idx, is_root);
+            }
+        }
+
         if(flags & WorkerEvtLoad) {
             FURI_LOG_D(TAG, "Load offset: %u cnt: %u", browser->load_offset, browser->load_count);
             browser_folder_load(browser, path, browser->load_offset, browser->load_count);
@@ -388,6 +414,18 @@ void file_browser_worker_set_long_load_callback(
     browser->long_load_cb = cb;
 }
 
+void file_browser_worker_set_config(
+    BrowserWorker* browser,
+    string_t path,
+    const char* filter_ext,
+    bool skip_assets) {
+    furi_assert(browser);
+    string_set(browser->path_next, path);
+    string_set_str(browser->filter_extension, filter_ext);
+    browser->skip_assets = skip_assets;
+    osThreadFlagsSet(furi_thread_get_thread_id(browser->thread), WorkerEvtConfigChange);
+}
+
 void file_browser_worker_folder_enter(BrowserWorker* browser, string_t path, int32_t item_idx) {
     furi_assert(browser);
     string_set(browser->path_next, path);
@@ -400,6 +438,12 @@ void file_browser_worker_folder_exit(BrowserWorker* browser) {
     osThreadFlagsSet(furi_thread_get_thread_id(browser->thread), WorkerEvtFolderExit);
 }
 
+void file_browser_worker_folder_refresh(BrowserWorker* browser, int32_t item_idx) {
+    furi_assert(browser);
+    browser->item_sel_idx = item_idx;
+    osThreadFlagsSet(furi_thread_get_thread_id(browser->thread), WorkerEvtFolderRefresh);
+}
+
 void file_browser_worker_load(BrowserWorker* browser, uint32_t offset, uint32_t count) {
     furi_assert(browser);
     browser->load_offset = offset;

applications/gui/modules/file_browser_worker.h

@@ -44,10 +44,18 @@ void file_browser_worker_set_long_load_callback(
     BrowserWorker* browser,
     BrowserWorkerLongLoadCallback cb);
 
+void file_browser_worker_set_config(
+    BrowserWorker* browser,
+    string_t path,
+    const char* filter_ext,
+    bool skip_assets);
+
 void file_browser_worker_folder_enter(BrowserWorker* browser, string_t path, int32_t item_idx);
 
 void file_browser_worker_folder_exit(BrowserWorker* browser);
 
+void file_browser_worker_folder_refresh(BrowserWorker* browser, int32_t item_idx);
+
 void file_browser_worker_load(BrowserWorker* browser, uint32_t offset, uint32_t count);
 
 #ifdef __cplusplus

lib/toolbox/path.c

@@ -1,4 +1,6 @@
 #include "path.h"
+#include "m-string.h"
+#include <stddef.h>
 
 void path_extract_filename_no_ext(const char* path, string_t filename) {
     string_set(filename, path);
@@ -33,6 +35,15 @@ void path_extract_filename(string_t path, string_t name, bool trim_ext) {
     }
 }
 
+void path_extract_extension(string_t path, char* ext, size_t ext_len_max) {
+    size_t dot = string_search_rchar(path, '.');
+    size_t filename_start = string_search_rchar(path, '/');
+
+    if((dot > 0) && (filename_start < dot)) {
+        strlcpy(ext, &(string_get_cstr(path))[dot], ext_len_max);
+    }
+}
+
 static inline void path_cleanup(string_t path) {
     string_strim(path);
     while(string_end_with_str_p(path, "/")) {

lib/toolbox/path.h

@@ -23,6 +23,15 @@ void path_extract_filename_no_ext(const char* path, string_t filename);
  */
 void path_extract_filename(string_t path, string_t filename, bool trim_ext);
 
+/**
+ * @brief Extract file extension from path.
+ * 
+ * @param path path string
+ * @param ext output extension string
+ * @param ext_len_max maximum extension string length
+ */
+void path_extract_extension(string_t path, char* ext, size_t ext_len_max);
+
 /**
  * @brief Extract last path component
  *