/*
* Copyright (c) 2010-2016, openHAB.org and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.openhab.habdroid.ui;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.support.v4.widget.SwipeRefreshLayout;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.loopj.android.http.RequestHandle;
import cz.msebera.android.httpclient.Header;
import org.openhab.habdroid.R;
import org.openhab.habdroid.model.OpenHABBinding;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Timer;
import java.util.TimerTask;
public class OpenHABDiscoveryFragment extends ListFragment implements SwipeRefreshLayout.OnRefreshListener {
private static final String TAG = OpenHABDiscoveryFragment.class.getSimpleName();
private static final String ARG_USERNAME = "openHABUsername";
private static final String ARG_PASSWORD = "openHABPassword";
private static final String ARG_BASEURL = "openHABBaseUrl";
private String openHABUsername = "";
private String openHABPassword = "";
private String openHABBaseUrl = "";
private OpenHABMainActivity mActivity;
// loopj
private AsyncHttpClient mAsyncHttpClient;
// keeps track of current request to cancel it in onPause
private RequestHandle mRequestHandle;
private OpenHABDiscoveryAdapter mDiscoveryAdapter;
private ArrayList<OpenHABBinding> bindings;
private ArrayList<String> discoveries;
private ArrayList<OpenHABBinding> discoverableBindings;
private SwipeRefreshLayout mSwipeLayout;
private int selectedInbox;
private Timer discoveryTimer;
public static OpenHABDiscoveryFragment newInstance(String baseUrl, String username, String password) {
OpenHABDiscoveryFragment fragment = new OpenHABDiscoveryFragment();
Bundle args = new Bundle();
args.putString(ARG_USERNAME, username);
args.putString(ARG_PASSWORD, password);
args.putString(ARG_BASEURL, baseUrl);
fragment.setArguments(args);
return fragment;
}
public OpenHABDiscoveryFragment() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d(TAG, "onCreate()");
bindings = new ArrayList<OpenHABBinding>();
discoverableBindings = new ArrayList<OpenHABBinding>();
discoveries = new ArrayList<String>();
if (getArguments() != null) {
openHABUsername = getArguments().getString(ARG_USERNAME);
openHABPassword = getArguments().getString(ARG_PASSWORD);
openHABBaseUrl = getArguments().getString(ARG_BASEURL);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
Log.i(TAG, "onCreateView");
Log.d(TAG, "isAdded = " + isAdded());
View view = inflater.inflate(R.layout.openhabdiscoverylist_fragment, container, false);
mSwipeLayout = (SwipeRefreshLayout) view.findViewById(R.id.swipe_container);
mSwipeLayout.setOnRefreshListener(this);
return view;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
Log.d(TAG, "onAttach()");
try {
mActivity = (OpenHABMainActivity) activity;
mAsyncHttpClient = mActivity.getAsyncHttpClient();
mActivity.setTitle(R.string.app_discovery);
} catch (ClassCastException e) {
throw new ClassCastException(activity.toString()
+ " must be OpenHABMainActivity");
}
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mDiscoveryAdapter = new OpenHABDiscoveryAdapter(this.getActivity(), R.layout.openhabdiscoverylist_item, discoverableBindings);
getListView().setAdapter(mDiscoveryAdapter);
// getListView().setEmptyView(getActivity().findViewById(R.id.empty_inbox_view));
Log.d(TAG, "onActivityCreated()");
Log.d(TAG, "isAdded = " + isAdded());
}
@Override
public void onResume() {
super.onResume();
Log.d(TAG, "onResume()");
loadDiscovery();
loadBindings();
}
@Override
public void onPause() {
super.onPause();
Log.d(TAG, "onPause()");
// Cancel request for notifications if there was any
if (mRequestHandle != null) {
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
mRequestHandle.cancel(true);
}
});
thread.start();
}
}
@Override
public void onRefresh() {
Log.d(TAG, "onRefresh()");
refresh();
}
@Override
public void onDetach() {
super.onDetach();
Log.d(TAG, "onDetach()");
mActivity = null;
}
public void refresh() {
Log.d(TAG, "refresh()");
loadDiscovery();
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
activateDiscovery(discoverableBindings.get(position).getId());
}
private void loadDiscovery() {
if (mAsyncHttpClient != null) {
startProgressIndicator();
mRequestHandle = mAsyncHttpClient.get(openHABBaseUrl + "rest/discovery", new AsyncHttpResponseHandler() {
@Override
public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
stopProgressIndicator();
String jsonString = null;
try {
jsonString = new String(responseBody, "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
Log.d(TAG, "Discovery request success");
Log.d(TAG, jsonString);
GsonBuilder gsonBuilder = new GsonBuilder();
Gson gson = gsonBuilder.create();
discoveries.clear();
discoveries.addAll(Arrays.asList(gson.fromJson(jsonString, String[].class)));
updateDiscoverableBindings();
}
@Override
public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
stopProgressIndicator();
Log.d(TAG, "Discovery request failure: " + error.getMessage());
}
});
}
}
private void loadBindings() {
if (mAsyncHttpClient != null) {
startProgressIndicator();
mRequestHandle = mAsyncHttpClient.get(openHABBaseUrl + "rest/bindings", new AsyncHttpResponseHandler() {
@Override
public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
stopProgressIndicator();
String jsonString = null;
try {
jsonString = new String(responseBody, "UTF-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
Log.d(TAG, "Bindings request success");
Log.d(TAG, jsonString);
GsonBuilder gsonBuilder = new GsonBuilder();
Gson gson = gsonBuilder.create();
bindings.clear();
bindings.addAll(Arrays.asList(gson.fromJson(jsonString, OpenHABBinding[].class)));
updateDiscoverableBindings();
}
@Override
public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
stopProgressIndicator();
Log.d(TAG, "Bindings request failure: " + error.getMessage());
}
});
}
}
private void updateDiscoverableBindings() {
discoverableBindings.clear();
for (OpenHABBinding binding : bindings) {
Log.d(TAG, "Checking " + binding.getId());
if (discoveries.contains(binding.getId())) {
Log.d(TAG, binding.getName() + " is discoverable");
discoverableBindings.add(binding);
} else {
Log.d(TAG, binding.getName() + " is not discoverable");
}
}
if (mDiscoveryAdapter != null) {
mDiscoveryAdapter.notifyDataSetChanged();
}
}
private void activateDiscovery(String id) {
if (mAsyncHttpClient != null) {
startProgressIndicator();
mAsyncHttpClient.post(getActivity(), openHABBaseUrl + "rest/discovery/bindings/" + id + "/scan", null, "text/plain", new AsyncHttpResponseHandler() {
@Override
public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
Log.d(TAG, "Activate discovery request success");
if (discoveryTimer != null) {
discoveryTimer.cancel();
discoveryTimer.purge();
discoveryTimer = null;
}
discoveryTimer = new Timer();
discoveryTimer.schedule(new TimerTask() {
@Override
public void run() {
Log.d(TAG, "Discovery timer ended");
if (getActivity() != null) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
stopProgressIndicator();
if (mActivity != null) {
mActivity.openDiscoveryInbox();
}
}
});
}
}
}, 10000);
}
@Override
public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
stopProgressIndicator();
Log.e(TAG, "Activate discovery request error: " + error.getMessage());
}
});
}
}
private void stopProgressIndicator() {
if (mActivity != null) {
Log.d(TAG, "Stop progress indicator");
mActivity.setProgressIndicatorVisible(false);
}
}
private void startProgressIndicator() {
if (mActivity != null) {
Log.d(TAG, "Start progress indicator");
mActivity.setProgressIndicatorVisible(true);
}
mSwipeLayout.setRefreshing(false);
}
}