// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/events/keycodes/keyboard_code_conversion_fuchsia.h"

#include <fidl/fuchsia.ui.input3/cpp/fidl.h>

#include "base/containers/flat_map.h"

namespace ui {
namespace {

DomKey DomKeyFromFuchsiaNonPrintableKey(
    const fuchsia_ui_input3::NonPrintableKey& key) {
  if (key == fuchsia_ui_input3::NonPrintableKey::kEnter) {
    return DomKey::ENTER;
  }
  if (key == fuchsia_ui_input3::NonPrintableKey::kTab) {
    return DomKey::TAB;
  }
  if (key == fuchsia_ui_input3::NonPrintableKey::kBackspace) {
    return DomKey::BACKSPACE;
  }

  return DomKey::UNIDENTIFIED;
}

}  // namespace

DomKey DomKeyFromFuchsiaKeyMeaning(
    const fuchsia_ui_input3::KeyMeaning& key_meaning) {
  if (key_meaning.codepoint()) {
    // TODO(fxbug.dev/106600): Remove this check for codepoint zero, once the
    // platform provides non-printable key meanings consistently.
    if (key_meaning.codepoint().value() == 0) {
      return DomKey::UNIDENTIFIED;
    }

    return DomKey::FromCharacter(key_meaning.codepoint().value());
  }

  if (key_meaning.non_printable_key()) {
    return DomKeyFromFuchsiaNonPrintableKey(
        key_meaning.non_printable_key().value());
  }

  return DomKey::UNIDENTIFIED;
}

}  // namespace ui