unleashed-firmware/applications/settings/storage_settings/storage_settings.c

#include "storage_settings.h"

const SubmenuSettingsHelperDescriptor descriptor_template = {
    .app_name = "Storage",
    .options_cnt = 6,
    .options =
        {
            {.name = "About Internal Storage", .scene_id = StorageSettingsSDInfo},
            {.name = "About SD Card", .scene_id = StorageSettingsInternalInfo},
            {.name = "Unmount SD Card", .scene_id = StorageSettingsUnmountConfirm},
            {.name = "Format SD Card", .scene_id = StorageSettingsFormatConfirm},
            {.name = "Benchmark SD Card", .scene_id = StorageSettingsBenchmarkConfirm},
            {.name = "Factory Reset", .scene_id = StorageSettingsFactoryReset},
        },
};

static bool storage_settings_custom_event_callback(void* context, uint32_t event) {
    furi_assert(context);
    StorageSettings* app = context;
    return scene_manager_handle_custom_event(app->scene_manager, event);
}

static bool storage_settings_back_event_callback(void* context) {
    furi_assert(context);
    StorageSettings* app = context;
    return scene_manager_handle_back_event(app->scene_manager);
}

static StorageSettings* storage_settings_alloc(void) {
    StorageSettings* app = malloc(sizeof(StorageSettings));

    app->gui = furi_record_open(RECORD_GUI);
    app->fs_api = furi_record_open(RECORD_STORAGE);
    app->notification = furi_record_open(RECORD_NOTIFICATION);

    app->view_dispatcher = view_dispatcher_alloc();
    app->scene_manager = scene_manager_alloc(&storage_settings_scene_handlers, app);
    app->text_string = furi_string_alloc();

    view_dispatcher_set_event_callback_context(app->view_dispatcher, app);

    view_dispatcher_set_custom_event_callback(
        app->view_dispatcher, storage_settings_custom_event_callback);
    view_dispatcher_set_navigation_event_callback(
        app->view_dispatcher, storage_settings_back_event_callback);

    view_dispatcher_attach_to_gui(app->view_dispatcher, app->gui, ViewDispatcherTypeFullscreen);

    app->submenu = submenu_alloc();
    view_dispatcher_add_view(
        app->view_dispatcher, StorageSettingsViewSubmenu, submenu_get_view(app->submenu));

    app->dialog_ex = dialog_ex_alloc();
    view_dispatcher_add_view(
        app->view_dispatcher, StorageSettingsViewDialogEx, dialog_ex_get_view(app->dialog_ex));

    size_t descriptor_size =
        sizeof(SubmenuSettingsHelperDescriptor) +
        (descriptor_template.options_cnt * sizeof(SubmenuSettingsHelperOption));
    app->helper_descriptor = malloc(descriptor_size);
    memcpy(app->helper_descriptor, &descriptor_template, descriptor_size);
    app->settings_helper = submenu_settings_helpers_alloc(app->helper_descriptor);
    submenu_settings_helpers_assign_objects(
        app->settings_helper,
        app->view_dispatcher,
        app->scene_manager,
        app->submenu,
        StorageSettingsViewSubmenu,
        StorageSettingsStart);

    return app;
}

static void storage_settings_free(StorageSettings* app) {
    submenu_settings_helpers_free(app->settings_helper);
    free(app->helper_descriptor);

    view_dispatcher_remove_view(app->view_dispatcher, StorageSettingsViewSubmenu);
    submenu_free(app->submenu);

    view_dispatcher_remove_view(app->view_dispatcher, StorageSettingsViewDialogEx);
    dialog_ex_free(app->dialog_ex);

    view_dispatcher_free(app->view_dispatcher);
    scene_manager_free(app->scene_manager);

    furi_record_close(RECORD_GUI);
    furi_record_close(RECORD_STORAGE);
    furi_record_close(RECORD_NOTIFICATION);

    furi_string_free(app->text_string);

    free(app);
}

int32_t storage_settings_app(void* p) {
    UNUSED(p);
    StorageSettings* app = storage_settings_alloc();

    if(!submenu_settings_helpers_app_start(app->settings_helper, p)) {
        scene_manager_next_scene(app->scene_manager, StorageSettingsStart);
    }

    view_dispatcher_run(app->view_dispatcher);

    storage_settings_free(app);
    return 0;
}