src/com/android/quicksearchbox/preferences/OkCancelPreference.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.quicksearchbox.preferences;

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

/**
 * Dialog preference that allows registering a listener for the result.
 */
public class OkCancelPreference extends DialogPreference {

    private Listener mListener;

    public OkCancelPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    protected void onDialogClosed(boolean positiveResult) {
        super.onDialogClosed(positiveResult);

        if (mListener != null) {
            mListener.onDialogClosed(positiveResult);
        }
    }

    public void setListener(Listener listener) {
        mListener = listener;
    }

    public interface Listener {
        void onDialogClosed(boolean okClicked);
    }

}