148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
#include "nbgl_page.h"
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#include "shared_context.h"
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#include "ui_callbacks.h"
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#include "ui_nbgl.h"
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#include "sign_message.h"
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#include "glyphs.h"
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#include "nbgl_use_case.h"
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#include "common_ui.h"
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#include "ui_message_signing.h"
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#include "ui_signing.h"
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#define TEXT_REVIEW_EIP191 REVIEW(TEXT_MESSAGE)
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#define TEXT_SIGN_EIP191 SIGN(TEXT_MESSAGE)
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typedef enum {
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UI_191_ACTION_IDLE = 0,
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UI_191_ACTION_ADVANCE_IN_MESSAGE,
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UI_191_ACTION_GO_TO_SIGN
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} e_ui_191_action;
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static e_ui_191_action g_action;
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static nbgl_contentTagValue_t pair;
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static nbgl_contentTagValueList_t pairs_list;
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static uint32_t g_display_buffer_idx;
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static uint32_t g_rcv_buffer_idx;
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static bool g_skipped;
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static void ui_191_process_state(void);
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static void reject_message(void) {
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io_seproxyhal_touch_signMessage_cancel();
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}
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static void sign_message(void) {
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io_seproxyhal_touch_signMessage_ok();
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}
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static void ui_191_finish_cb(bool confirm) {
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if (confirm) {
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nbgl_useCaseReviewStatus(STATUS_TYPE_MESSAGE_SIGNED, sign_message);
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} else {
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nbgl_useCaseReviewStatus(STATUS_TYPE_MESSAGE_REJECTED, reject_message);
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}
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}
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static void ui_191_skip_cb(void) {
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g_skipped = true;
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skip_rest_of_message();
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}
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static bool ui_191_update_display_buffer(void) {
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uint16_t len = 0;
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bool reached;
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g_stax_shared_buffer[g_display_buffer_idx] = '\0';
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strlcat(g_stax_shared_buffer + g_display_buffer_idx,
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strings.tmp.tmp + g_rcv_buffer_idx,
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sizeof(g_stax_shared_buffer) - g_display_buffer_idx);
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reached = nbgl_getTextMaxLenInNbLines(LARGE_MEDIUM_FONT,
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(char *) g_stax_shared_buffer,
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SCREEN_WIDTH - (2 * BORDER_MARGIN),
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NB_MAX_LINES_IN_REVIEW,
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&len,
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false);
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g_rcv_buffer_idx += (len - g_display_buffer_idx);
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g_display_buffer_idx = len;
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g_stax_shared_buffer[g_display_buffer_idx] = '\0';
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if (!reached) {
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g_rcv_buffer_idx = 0;
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question_switcher();
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return false;
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}
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g_display_buffer_idx = 0;
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return true;
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}
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static void ui_191_data_cb(bool more) {
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if (more) {
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ui_191_process_state();
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} else {
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ui_191_finish_cb(false);
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}
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}
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static void ui_191_show_message(void) {
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pair.value = g_stax_shared_buffer;
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pair.item = "Message";
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pairs_list.nbPairs = 1;
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pairs_list.pairs = &pair;
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pairs_list.smallCaseForValue = false;
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pairs_list.nbMaxLinesForValue = NB_MAX_LINES_IN_REVIEW;
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pairs_list.wrapping = false;
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nbgl_useCaseReviewStreamingContinueExt(&pairs_list, ui_191_data_cb, ui_191_skip_cb);
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}
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static void ui_191_process_state(void) {
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switch (g_action) {
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case UI_191_ACTION_IDLE:
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g_action = UI_191_ACTION_ADVANCE_IN_MESSAGE;
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__attribute__((fallthrough));
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case UI_191_ACTION_ADVANCE_IN_MESSAGE:
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if (ui_191_update_display_buffer()) {
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ui_191_show_message();
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}
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break;
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case UI_191_ACTION_GO_TO_SIGN:
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nbgl_useCaseReviewStreamingFinish(TEXT_SIGN_EIP191, ui_191_finish_cb);
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break;
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}
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}
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void ui_191_start(void) {
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g_action = UI_191_ACTION_IDLE;
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g_display_buffer_idx = 0;
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g_rcv_buffer_idx = 0;
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g_skipped = false;
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nbgl_useCaseReviewStreamingStart(TYPE_MESSAGE | SKIPPABLE_OPERATION,
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&C_Review_64px,
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TEXT_REVIEW_EIP191,
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NULL,
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ui_191_data_cb);
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}
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void ui_191_switch_to_message(void) {
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// Get following part of the message
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ui_191_process_state();
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}
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void ui_191_switch_to_sign(void) {
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g_action = UI_191_ACTION_GO_TO_SIGN;
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if (g_skipped) {
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nbgl_useCaseReviewStreamingFinish(TEXT_SIGN_EIP191, ui_191_finish_cb);
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} else if (g_display_buffer_idx > 0) {
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// still on an incomplete display buffer, show it before the last page
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ui_191_show_message();
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}
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}
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void ui_191_switch_to_question(void) {
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// No question mechanism on Stax: Always display the next message chunk.
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continue_displaying_message();
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}
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