text: /*
   * Copyright (C) 2015 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #include "recovery_ui/device.h"
  
  #include <algorithm>
  #include <string>
  #include <utility>
  #include <vector>
  
  #include <android-base/logging.h>
  
  #include "otautil/boot_state.h"
  #include "recovery_ui/ui.h"
  
  static std::vector<std::pair<std::string, Device::BuiltinAction>> g_menu_actions{
    { "Reboot system now", Device::REBOOT },
    { "Reboot to bootloader", Device::REBOOT_BOOTLOADER },
    { "Enter fastboot", Device::ENTER_FASTBOOT },
    { "Apply update from ADB", Device::APPLY_ADB_SIDELOAD },
    { "Apply update from SD card", Device::APPLY_SDCARD },
    { "Wipe data/factory reset", Device::WIPE_DATA },
    { "Wipe cache partition", Device::WIPE_CACHE },
    { "Mount /system", Device::MOUNT_SYSTEM },
    { "View recovery logs", Device::VIEW_RECOVERY_LOGS },
    { "Run graphics test", Device::RUN_GRAPHICS_TEST },
    { "Run locale test", Device::RUN_LOCALE_TEST },
    { "Enter rescue", Device::ENTER_RESCUE },
    { "Power off", Device::SHUTDOWN },
  };
  
  static std::vector<std::string> g_menu_items;
  
  static void PopulateMenuItems() {
    g_menu_items.clear();
    std::transform(g_menu_actions.cbegin(), g_menu_actions.cend(), std::back_inserter(g_menu_items),
                   [](const auto& entry) { return entry.first; });
  }
  
  Device::Device(RecoveryUI* ui) : ui_(ui) {
    PopulateMenuItems();
  }
  
  void Device::RemoveMenuItemForAction(Device::BuiltinAction action) {
    g_menu_actions.erase(
        std::remove_if(g_menu_actions.begin(), g_menu_actions.end(),
                       [action](const auto& entry) { return entry.second == action; }));
    CHECK(!g_menu_actions.empty());
  
    // Re-populate the menu items.
    PopulateMenuItems();
  }
  
  const std::vector<std::string>& Device::GetMenuItems() {
    return g_menu_items;
  }
  
  Device::BuiltinAction Device::InvokeMenuItem(size_t menu_position) {
    return g_menu_actions[menu_position].second;
  }
  
  int Device::HandleMenuKey(int key, bool visible) {
    if (!visible) {
      return kNoAction;
    }
  
    switch (key) {
      case KEY_DOWN:
      case KEY_VOLUMEDOWN:
        return kHighlightDown;
  
      case KEY_UP:
      case KEY_VOLUMEUP:
        return kHighlightUp;
  
      case KEY_ENTER:
      case KEY_POWER:
        return kInvokeItem;
  
      default:
        // If you have all of the above buttons, any other buttons
        // are ignored. Otherwise, any button cycles the highlight.
        return ui_->HasThreeButtons() ? kNoAction : kHighlightDown;
    }
  }
  
  void Device::SetBootState(const BootState* state) {
    boot_state_ = state;
  }
  
  std::optional<std::string> Device::GetReason() const {
    return boot_state_ ? std::make_optional(boot_state_->reason()) : std::nullopt;
  }
  
  std::optional<std::string> Device::GetStage() const {
    return boot_state_ ? std::make_optional(boot_state_->stage()) : std::nullopt;
  }
  