Momentum-Apps/mfc_editor_app.c

#include "mfc_editor_app_i.h"

bool mfc_editor_app_custom_event_callback(void* context, uint32_t event) {
    furi_assert(context);
    MfcEditorApp* instance = context;
    return scene_manager_handle_custom_event(instance->scene_manager, event);
}

bool mfc_editor_app_back_event_callback(void* context) {
    furi_assert(context);
    MfcEditorApp* instance = context;
    return scene_manager_handle_back_event(instance->scene_manager);
}

void mfc_editor_app_tick_event_callback(void* context) {
    furi_assert(context);
    MfcEditorApp* instance = context;
    scene_manager_handle_tick_event(instance->scene_manager);
}

MfcEditorApp* mfc_editor_app_alloc() {
    MfcEditorApp* instance = malloc(sizeof(MfcEditorApp));

    instance->view_dispatcher = view_dispatcher_alloc();
    instance->scene_manager = scene_manager_alloc(&mfc_editor_scene_handlers, instance);
    view_dispatcher_enable_queue(instance->view_dispatcher);
    view_dispatcher_set_event_callback_context(instance->view_dispatcher, instance);
    view_dispatcher_set_custom_event_callback(
        instance->view_dispatcher, mfc_editor_app_custom_event_callback);
    view_dispatcher_set_navigation_event_callback(
        instance->view_dispatcher, mfc_editor_app_back_event_callback);
    view_dispatcher_set_tick_event_callback(
        instance->view_dispatcher, mfc_editor_app_tick_event_callback, 100);

    instance->gui = furi_record_open(RECORD_GUI);
    view_dispatcher_attach_to_gui(
        instance->view_dispatcher, instance->gui, ViewDispatcherTypeFullscreen);

    instance->storage = furi_record_open(RECORD_STORAGE);

    instance->dialogs = furi_record_open(RECORD_DIALOGS);

    instance->nfc_device = nfc_device_alloc();
    instance->file_path = furi_string_alloc_set(NFC_APP_FOLDER);

    instance->submenu = submenu_alloc();
    view_dispatcher_add_view(
        instance->view_dispatcher, MfcEditorAppViewSubmenu, submenu_get_view(instance->submenu));

    return instance;
}

void mfc_editor_app_free(MfcEditorApp* instance) {
    furi_assert(instance);

    view_dispatcher_remove_view(instance->view_dispatcher, MfcEditorAppViewSubmenu);
    submenu_free(instance->submenu);

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

    furi_record_close(RECORD_GUI);
    instance->gui = NULL;

    furi_record_close(RECORD_STORAGE);
    instance->storage = NULL;

    furi_record_close(RECORD_DIALOGS);
    instance->dialogs = NULL;

    nfc_device_free(instance->nfc_device);
    furi_string_free(instance->file_path);

    free(instance);
}

bool mfc_editor_load_file(MfcEditorApp* instance, FuriString* file_path, bool show_dialog) {
    furi_assert(instance);
    furi_assert(file_path);
    bool result = false;

    result = nfc_device_load(instance->nfc_device, furi_string_get_cstr(file_path));

    if(!result && show_dialog) {
        dialog_message_show_storage_error(instance->dialogs, "Cannot load\nkey file");
    }

    return result;
}

static DialogMessageButton mfc_editor_prompt_should_load_shadow(MfcEditorApp* instance) {
    DialogMessage* message = dialog_message_alloc();
    dialog_message_set_header(message, "File has modifications", 63, 0, AlignCenter, AlignTop);
    dialog_message_set_text(
        message,
        "Would you like to load the\nmodified file (recommended)\nor the original file?",
        63,
        30,
        AlignCenter,
        AlignCenter);
    dialog_message_set_buttons(message, "Original", NULL, "Modified");

    DialogMessageButton message_button = dialog_message_show(instance->dialogs, message);

    dialog_message_free(message);

    return message_button;
}

static void mfc_editor_get_shadow_file_path(FuriString* file_path, FuriString* shadow_file_path) {
    furi_assert(file_path);
    furi_assert(shadow_file_path);

    // Remove NFC extension from end of string then append shadow extension
    furi_string_set_n(shadow_file_path, file_path, 0, furi_string_size(file_path) - 4);
    furi_string_cat_printf(shadow_file_path, "%s", NFC_APP_SHADOW_EXTENSION);
}

static bool mfc_editor_file_has_shadow_file(MfcEditorApp* instance, FuriString* file_path) {
    furi_assert(instance);
    furi_assert(file_path);

    FuriString* shadow_file_path = furi_string_alloc();
    mfc_editor_get_shadow_file_path(file_path, shadow_file_path);
    bool has_shadow_file =
        storage_common_exists(instance->storage, furi_string_get_cstr(shadow_file_path));

    furi_string_free(shadow_file_path);

    return has_shadow_file;
}

bool mfc_editor_prompt_load_file(MfcEditorApp* instance) {
    furi_assert(instance);

    DialogsFileBrowserOptions browser_options;
    dialog_file_browser_set_basic_options(&browser_options, NFC_APP_EXTENSION, &I_Nfc_10px);
    browser_options.base_path = NFC_APP_FOLDER;
    browser_options.hide_dot_files = true;

    bool result = dialog_file_browser_show(
        instance->dialogs, instance->file_path, instance->file_path, &browser_options);

    if(result) {
        if(mfc_editor_file_has_shadow_file(instance, instance->file_path) &&
           mfc_editor_prompt_should_load_shadow(instance) == DialogMessageButtonRight) {
            FuriString* shadow_file_path = furi_string_alloc();
            mfc_editor_get_shadow_file_path(instance->file_path, shadow_file_path);
            furi_string_set(instance->file_path, shadow_file_path);
            furi_string_free(shadow_file_path);
        }

        result = mfc_editor_load_file(instance, instance->file_path, true);
    }

    return result;
}

int32_t mfc_editor_app(void* p) {
    UNUSED(p);

    MfcEditorApp* instance = mfc_editor_app_alloc();

    scene_manager_next_scene(instance->scene_manager, MfcEditorSceneStart);

    view_dispatcher_run(instance->view_dispatcher);

    mfc_editor_app_free(instance);

    return 0;
}