Add start menu to mass storage

applications/external/mass_storage/mass_storage_app.c

@@ -55,12 +55,16 @@ MassStorageApp* mass_storage_app_alloc(char* arg) {
         MassStorageAppViewWork,
         mass_storage_get_view(app->mass_storage_view));
 
+    app->submenu = submenu_alloc();
+    view_dispatcher_add_view(
+        app->view_dispatcher, MassStorageAppViewSubmenu, submenu_get_view(app->submenu));
+
     view_dispatcher_attach_to_gui(app->view_dispatcher, app->gui, ViewDispatcherTypeFullscreen);
 
     if(storage_file_exists(app->fs_api, furi_string_get_cstr(app->file_path))) {
         scene_manager_next_scene(app->scene_manager, MassStorageSceneWork);
     } else {
-        scene_manager_next_scene(app->scene_manager, MassStorageSceneFileSelect);
+        scene_manager_next_scene(app->scene_manager, MassStorageSceneStart);
     }
 
     return app;
@@ -72,6 +76,8 @@ void mass_storage_app_free(MassStorageApp* app) {
     // Views
     view_dispatcher_remove_view(app->view_dispatcher, MassStorageAppViewWork);
     mass_storage_free(app->mass_storage_view);
+    view_dispatcher_remove_view(app->view_dispatcher, MassStorageAppViewSubmenu);
+    submenu_free(app->submenu);
 
     // View dispatcher
     view_dispatcher_free(app->view_dispatcher);

applications/external/mass_storage/mass_storage_app_i.h

@@ -8,11 +8,10 @@
 #include <gui/gui.h>
 #include <gui/view_dispatcher.h>
 #include <gui/scene_manager.h>
-#include <gui/modules/submenu.h>
 #include <dialogs/dialogs.h>
 #include <notification/notification_messages.h>
-#include <gui/modules/variable_item_list.h>
 #include <gui/modules/widget.h>
+#include <gui/modules/submenu.h>
 #include <storage/storage.h>
 #include "views/mass_storage_view.h"
 
@@ -27,6 +26,7 @@ struct MassStorageApp {
     NotificationApp* notifications;
     DialogsApp* dialogs;
     Widget* widget;
+    Submenu* submenu;
 
     FuriString* file_path;
     File* file;
@@ -39,4 +39,5 @@ struct MassStorageApp {
 typedef enum {
     MassStorageAppViewError,
     MassStorageAppViewWork,
+    MassStorageAppViewSubmenu,
 } MassStorageAppView;

applications/external/mass_storage/scenes/mass_storage_scene_config.h

@@ -1,2 +1,3 @@
+ADD_SCENE(mass_storage, start, Start)
 ADD_SCENE(mass_storage, file_select, FileSelect)
 ADD_SCENE(mass_storage, work, Work)

applications/external/mass_storage/scenes/mass_storage_scene_file_select.c

@@ -23,18 +23,15 @@ void mass_storage_scene_file_select_on_enter(void* context) {
         scene_manager_next_scene(mass_storage->scene_manager, MassStorageSceneWork);
     } else {
         scene_manager_previous_scene(mass_storage->scene_manager);
-        view_dispatcher_stop(mass_storage->view_dispatcher);
     }
 }
 
 bool mass_storage_scene_file_select_on_event(void* context, SceneManagerEvent event) {
     UNUSED(context);
     UNUSED(event);
-    // MassStorageApp* mass_storage = context;
     return false;
 }
 
 void mass_storage_scene_file_select_on_exit(void* context) {
     UNUSED(context);
-    // MassStorageApp* mass_storage = context;
 }

applications/external/mass_storage/scenes/mass_storage_scene_start.c

@@ -0,0 +1,38 @@
+#include "../mass_storage_app_i.h"
+
+static void mass_storage_scene_start_submenu_callback(void* context, uint32_t index) {
+    MassStorageApp* app = context;
+    scene_manager_next_scene(app->scene_manager, index);
+}
+
+void mass_storage_scene_start_on_enter(void* context) {
+    MassStorageApp* app = context;
+    Submenu* submenu = app->submenu;
+
+    submenu_add_item(
+        submenu,
+        "Emulate Image",
+        MassStorageSceneFileSelect,
+        mass_storage_scene_start_submenu_callback,
+        app);
+
+    submenu_set_header(submenu, "USB Mass Storage");
+
+    view_dispatcher_switch_to_view(app->view_dispatcher, MassStorageAppViewSubmenu);
+}
+
+bool mass_storage_scene_start_on_event(void* context, SceneManagerEvent event) {
+    UNUSED(context);
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        consumed = true;
+    }
+
+    return consumed;
+}
+
+void mass_storage_scene_start_on_exit(void* context) {
+    MassStorageApp* app = context;
+    submenu_reset(app->submenu);
+}