flipperzero-firmware/applications/nfc/scenes/nfc_scene_mf_classic_keys_add.c

#include "../nfc_i.h"

void nfc_scene_mf_classic_keys_add_byte_input_callback(void* context) {
    Nfc* nfc = context;

    view_dispatcher_send_custom_event(nfc->view_dispatcher, NfcCustomEventByteInputDone);
}

void nfc_scene_mf_classic_keys_add_on_enter(void* context) {
    Nfc* nfc = context;

    // Setup view
    ByteInput* byte_input = nfc->byte_input;
    byte_input_set_header_text(byte_input, "Enter the key in hex");
    byte_input_set_result_callback(
        byte_input,
        nfc_scene_mf_classic_keys_add_byte_input_callback,
        NULL,
        nfc,
        nfc->byte_input_store,
        6);
    view_dispatcher_switch_to_view(nfc->view_dispatcher, NfcViewByteInput);
}

bool nfc_scene_mf_classic_keys_add_on_event(void* context, SceneManagerEvent event) {
    Nfc* nfc = context;
    bool consumed = false;

    if(event.type == SceneManagerEventTypeCustom) {
        if(event.event == NfcCustomEventByteInputDone) {
            // Add key to dict
            bool key_added = false;
            MfClassicDict* dict = mf_classic_dict_alloc(MfClassicDictTypeUser);
            if(dict) {
                if(mf_classic_dict_add_key(dict, nfc->byte_input_store)) {
                    key_added = true;
                }
            }
            if(key_added) {
                scene_manager_next_scene(nfc->scene_manager, NfcSceneSaveSuccess);
            } else {
                scene_manager_next_scene(nfc->scene_manager, NfcSceneDictNotFound);
            }
            mf_classic_dict_free(dict);
            consumed = true;
        }
    }
    return consumed;
}

void nfc_scene_mf_classic_keys_add_on_exit(void* context) {
    Nfc* nfc = context;

    // Clear view
    byte_input_set_result_callback(nfc->byte_input, NULL, NULL, NULL, NULL, 0);
    byte_input_set_header_text(nfc->byte_input, "");
}