replicant-packages_apps_Email/src/com/android/email/activity/DeleteMessageConfirmationDi...

94 lines
3.3 KiB
Java

/*
* Copyright (C) 2010 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.email.activity;
import com.android.email.R;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.Fragment;
import android.content.Context;
import android.content.DialogInterface;
import android.content.res.Resources;
import android.os.Bundle;
/**
* Confirmation dialog for deleting messages.
*/
public class DeleteMessageConfirmationDialog extends DialogFragment
implements DialogInterface.OnClickListener {
private static final String COUNT_MESSAGES_ARG = "count_messages";
public interface Callback {
public void onDeleteMessageConfirmationDialogOkPressed();
}
/**
* Create a new dialog.
*
* @param countMessage the number of messages to be deleted
* @param callbackFragment fragment that implements {@link Callback}. Or null, in which case
* the parent activity must implement {@link Callback}.
*/
public static DeleteMessageConfirmationDialog newInstance(int countMessage,
Fragment callbackFragment) {
final DeleteMessageConfirmationDialog dialog = new DeleteMessageConfirmationDialog();
final Bundle args = new Bundle();
args.putInt(COUNT_MESSAGES_ARG, countMessage);
dialog.setArguments(args);
if (callbackFragment != null) {
dialog.setTargetFragment(callbackFragment, 0);
}
return dialog;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final int countMessages = getArguments().getInt(COUNT_MESSAGES_ARG);
final Context context = getActivity();
final Resources res = context.getResources();
final AlertDialog.Builder b = new AlertDialog.Builder(context);
b.setTitle(res.getString(R.string.message_delete_dialog_title))
.setIconAttribute(android.R.attr.alertDialogIcon)
.setMessage(res.getQuantityString(R.plurals.message_delete_confirm, countMessages))
.setPositiveButton(R.string.okay_action, this)
.setNegativeButton(R.string.cancel_action, null);
return b.create();
}
@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_POSITIVE:
getCallback().onDeleteMessageConfirmationDialogOkPressed();
break;
}
}
private Callback getCallback() {
Fragment targetFragment = getTargetFragment();
if (targetFragment != null) {
// If a target is set, it MUST implement Callback.
return (Callback) targetFragment;
}
// If not the parent activity MUST implement Callback.
return (Callback) getActivity();
}
}