com.xargsgrep.portknocker.activity.HostListActivity.java Source code

Introduction

Here is the source code for com.xargsgrep.portknocker.activity.HostListActivity.java

Source

/*
 *  Copyright 2014 Ahsan Rabbani
 *
 *  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.xargsgrep.portknocker.activity;

import android.app.AlertDialog;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.widget.Toast;

import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import com.xargsgrep.portknocker.R;
import com.xargsgrep.portknocker.asynctask.KnockerAsyncTask;
import com.xargsgrep.portknocker.db.DatabaseManager;
import com.xargsgrep.portknocker.fragment.HostListFragment;
import com.xargsgrep.portknocker.fragment.PreferencesFragment;
import com.xargsgrep.portknocker.model.Host;
import com.xargsgrep.portknocker.utils.BundleUtils;

public class HostListActivity extends SherlockFragmentActivity {

    private static final int MENU_ITEM_ID_ADD = 1;
    private static final int MENU_ITEM_ID_SETTINGS = 2;

    private static final String KEY_SHOW_DELETE_DIALOG = "showDeleteDialog";

    DatabaseManager databaseManager;
    AlertDialog deleteDialog;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.host_list);
        getSupportActionBar().setHomeButtonEnabled(false);

        FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
        Fragment hostListFragment = getSupportFragmentManager().findFragmentByTag(HostListFragment.TAG);
        if (hostListFragment == null) {
            hostListFragment = HostListFragment.newInstance();
            ft.add(R.id.fragment_content, hostListFragment, HostListFragment.TAG);
        }
        ft.show(hostListFragment);
        ft.commit();

        Bundle extras = getIntent().getExtras();
        if (BundleUtils.contains(extras, EditHostActivity.KEY_SAVE_HOST_RESULT) && savedInstanceState == null) {
            Boolean saveResult = extras.getBoolean(EditHostActivity.KEY_SAVE_HOST_RESULT);
            Toast.makeText(this,
                    getResources().getString(
                            saveResult ? R.string.toast_msg_save_success : R.string.toast_msg_save_failure),
                    Toast.LENGTH_SHORT).show();
        }

        if (BundleUtils.contains(extras, "hostId") && savedInstanceState == null) {
            // clicked on widget
            databaseManager = new DatabaseManager(this);
            Long hostId = extras.getLong("hostId");
            Host host = databaseManager.getHost(hostId);

            KnockerAsyncTask knockerAsyncTask = new KnockerAsyncTask(this, host.getPorts().size());
            knockerAsyncTask.execute(host);
        } else if (savedInstanceState != null) {
            if (savedInstanceState.getBoolean(KEY_SHOW_DELETE_DIALOG))
                ((HostListFragment) hostListFragment).showDeleteDialog();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        menu.add(Menu.NONE, MENU_ITEM_ID_ADD, 0, "Add Host").setIcon(R.drawable.ic_menu_add)
                .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
        menu.add(Menu.NONE, MENU_ITEM_ID_SETTINGS, 0, "Settings").setIcon(R.drawable.ic_menu_settings)
                .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case MENU_ITEM_ID_ADD:
            Intent editHostIntent = new Intent(this, EditHostActivity.class);
            startActivity(editHostIntent);
            return true;
        case MENU_ITEM_ID_SETTINGS:
            Intent settingsIntent = null;
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
                // PreferenceFragment is not part of the compatibility package
                settingsIntent = new Intent(this, SettingsActivityCompat.class);
            } else {
                settingsIntent = new Intent(this, SettingsActivity.class);
                settingsIntent.putExtra(PreferenceActivity.EXTRA_NO_HEADERS, true);
                settingsIntent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT,
                        PreferencesFragment.class.getName());
            }
            startActivity(settingsIntent);
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putBoolean(KEY_SHOW_DELETE_DIALOG, (deleteDialog != null && deleteDialog.isShowing()));
    }

    @Override
    protected void onDestroy() {
        if (deleteDialog != null && deleteDialog.isShowing())
            deleteDialog.dismiss();
        super.onDestroy();
    }

    public void setDeleteDialog(AlertDialog deleteDialog) {
        this.deleteDialog = deleteDialog;
    }

}