src/com/android/settings/deletionhelper/ConfirmDeletionDialog.java

/*
 * Copyright (C) 2016 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.
 */

package com.android.settings.deletionhelper;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.text.format.Formatter;
import com.android.settings.R;

/**
 * Fragment used to confirm that the user wishes to delete a certain amount of data.
 */
public class ConfirmDeletionDialog extends DialogFragment implements
        DialogInterface.OnClickListener {
    public static final String TAG = "ConfirmDeletionDialog";
    private static final String ARG_TOTAL_SPACE = "total_freeable";

    public static ConfirmDeletionDialog newInstance(long freeableBytes) {
        Bundle args = new Bundle(1);
        args.putLong(ARG_TOTAL_SPACE, freeableBytes);

        ConfirmDeletionDialog dialog = new ConfirmDeletionDialog();
        dialog.setArguments(args);

        return dialog;
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        final Bundle args = getArguments();
        long totalFreeableSpace = args.getLong(ARG_TOTAL_SPACE);

        final Context context = getContext();
        return new AlertDialog.Builder(context)
                .setMessage(context.getString(R.string.deletion_helper_clear_dialog_message,
                        Formatter.formatFileSize(context, totalFreeableSpace)))
                .setPositiveButton(R.string.deletion_helper_clear_dialog_remove, this)
                .setNegativeButton(android.R.string.cancel, null)
                .create();
    }

    @Override
    public void onClick(DialogInterface dialog, int which) {
        ((DeletionHelperFragment) getTargetFragment()).clearData();
    }
}