com.aetherfoundry.searchers.NavigationDrawerUtil.java Source code

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Here is the source code for com.aetherfoundry.searchers.NavigationDrawerUtil.java

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/*
* Copyright (C) 2015 Pedro Paulo de Amorim
*
* 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.aetherfoundry.searchers;

import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.app.AppCompatActivity;
import android.view.Gravity;
import android.view.View;

/**
 * This class is a helper for to
 * create a instance of navigationDrawer
 *
 * @author Pedro Paulo Amorim
 *
 */
public class NavigationDrawerUtil {

    /**
     *
     * @param appCompatActivity provide the instance of activity
     * @param drawerLayout provide the instance of drawerLayout
     * that's inflated at the activity
     * @param drawerCallback provide the callback of drawerLayout actions
     * @return a new instance of ActionBarDrawerToggle based on the params
     */
    public static ActionBarDrawerToggle configNavigationDrawer(AppCompatActivity appCompatActivity,
            DrawerLayout drawerLayout, final DrawerCallback drawerCallback) {

        if (appCompatActivity == null || drawerLayout == null) {
            return null;
        }

        drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, Gravity.LEFT);
        ActionBarDrawerToggle actionBarDrawerToggle = new ActionBarDrawerToggle(appCompatActivity, drawerLayout,
                R.string.app_name, R.string.app_name) {

            @Override
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                if (drawerCallback != null) {
                    drawerCallback.onDrawerOpened();
                }
            }

            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
                if (drawerCallback != null) {
                    drawerCallback.onDrawerClosed();
                }
            }

            @Override
            public void onDrawerSlide(View drawerView, float slideOffset) {
                super.onDrawerSlide(drawerView, slideOffset);
                if (drawerCallback != null) {
                    drawerCallback.onDrawerSlide(drawerView, slideOffset);
                }
            }
        };
        drawerLayout.setDrawerListener(actionBarDrawerToggle);
        return actionBarDrawerToggle;
    }

    public interface DrawerCallback {
        void onDrawerOpened();

        void onDrawerClosed();

        void onDrawerSlide(View drawerView, float slideOffset);
    }

}