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package org.mozc.android.inputmethod.japanese.hardwarekeyboard;

import org.mozc.android.inputmethod.japanese.hardwarekeyboard.KeyEventMapperFactory.KeyEventMapper;
import com.google.common.base.Preconditions;

import android.view.KeyEvent;

/**
 * Compact and mutable KeyEvent for internal use.
 */
class CompactKeyEvent {

  private int keyCode;
  private int metaState;
  private int unicodeCharacter;
  private int scanCode;

  public CompactKeyEvent(KeyEvent keyEvent) {
    Preconditions.checkNotNull(keyEvent);
    keyCode = keyEvent.getKeyCode();
    metaState = keyEvent.getMetaState();
    unicodeCharacter = keyEvent.getUnicodeChar();
    scanCode = keyEvent.getScanCode();
  }

  /**
   * Construct an instance and apply overlay mapping.
   */
  public CompactKeyEvent(KeyEvent keyEvent, KeyEventMapper overlayMapper) {
    this(keyEvent);
    Preconditions.checkNotNull(overlayMapper).applyMapping(this);
  }

  public int getKeyCode() {
    return keyCode;
  }

  void setKeyCode(int keyCode) {
    this.keyCode = keyCode;
  }

  public int getMetaState() {
    return metaState;
  }

  void setMetaState(int metaState) {
    this.metaState = metaState;
  }

  public int getUnicodeCharacter() {
    return unicodeCharacter;
  }

  void setUnicodeCharacter(int unicodeCharacter) {
    this.unicodeCharacter = unicodeCharacter;
  }

  public int getScanCode() {
    return scanCode;
  }

  void setScanCode(int scanCode) {
    this.scanCode = scanCode;
  }
}