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

import org.mozc.android.inputmethod.japanese.protobuf.ProtoUserDictionaryStorage.UserDictionaryCommand;
import org.mozc.android.inputmethod.japanese.protobuf.ProtoUserDictionaryStorage.UserDictionaryCommand.CommandType;
import org.mozc.android.inputmethod.japanese.session.SessionExecutor;
import org.mozc.android.inputmethod.japanese.session.SessionHandlerFactory;

import android.content.Context;
import android.content.DialogInterface;
import android.preference.DialogPreference;
import android.util.AttributeSet;

/**
 * A DialogPreference to clear user dictionary.
 *
 */
public class ClearUserDictionaryDialogPreference extends DialogPreference {
  public ClearUserDictionaryDialogPreference(
      Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
  }
  public ClearUserDictionaryDialogPreference(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  @Override
  public void onClick(DialogInterface dialog, int which) {
    if (which == DialogInterface.BUTTON_POSITIVE) {
      SessionExecutor sessionExecutor = SessionExecutor.getInstanceInitializedIfNecessary(
          new SessionHandlerFactory(getContext()), getContext());
      sessionExecutor.sendUserDictionaryCommand(UserDictionaryCommand.newBuilder()
          .setType(CommandType.CLEAR_STORAGE)
          .build());
    }
  }
}