default_device.cpp

/*
 * Copyright (C) 2009 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 "device.h"
#include "screen_ui.h"

class DefaultDevice : public Device {
 public:
  DefaultDevice() : Device(new ScreenRecoveryUI) {
  }

  // TODO: make this handle more cases, and move the default implementation into Device too.
  int HandleMenuKey(int key, int visible) {
    if (visible) {
      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;
      }
    }

    return kNoAction;
  }
};

Device* make_device() {
  return new DefaultDevice;
}