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/*
* Copyright (c) 2019 Livio, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Livio Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.smartdevicelink.util;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ResolveInfo;
import android.os.Handler;
import android.os.Looper;
import com.smartdevicelink.transport.SdlRouterService;
import java.util.HashMap;
import java.util.Vector;
import static com.smartdevicelink.transport.TransportConstants.BIND_LOCATION_CLASS_NAME_EXTRA;
import static com.smartdevicelink.transport.TransportConstants.BIND_LOCATION_PACKAGE_NAME_EXTRA;
import static com.smartdevicelink.transport.TransportConstants.SEND_PACKET_TO_APP_LOCATION_EXTRA_NAME;
/**
* Created by Joey Grover on 8/18/17.
*/
public class ServiceFinder {
public static final String TAG = ServiceFinder.class.getSimpleName();
private static final int TIMEOUT = 1000;
final String receiverLocation;
final Context context;
final ServiceFinderCallback callback;
final Vector<ComponentName> services;
final HashMap<String, ResolveInfo> sdlMultiMap;
final Handler timeoutHandler;
final Runnable timeoutRunnable;
public ServiceFinder(Context context, String packageName, final ServiceFinderCallback callback) {
this.receiverLocation = packageName + ".ServiceFinder";
this.context = context.getApplicationContext();
this.callback = callback;
this.services = new Vector<>();
this.sdlMultiMap = AndroidTools.getSdlEnabledApps(context, packageName);
this.context.registerReceiver(mainServiceReceiver, new IntentFilter(this.receiverLocation));
timeoutRunnable = new Runnable() {
@Override
public void run() {
onFinished();
}
};
timeoutHandler = new Handler(Looper.getMainLooper());
timeoutHandler.postDelayed(timeoutRunnable, TIMEOUT + (50 * packageName.length()));
//Send out our broadcast
context.sendBroadcast(createQueryIntent(this.receiverLocation));
}
BroadcastReceiver mainServiceReceiver = new BroadcastReceiver() {
private final Object LIST_LOCK = new Object();
@Override
public void onReceive(Context context, Intent intent) {
DebugTool.logInfo(TAG, "Received intent " + intent);
if (intent != null) {
String packageName = intent.getStringExtra(BIND_LOCATION_PACKAGE_NAME_EXTRA);
String className = intent.getStringExtra(BIND_LOCATION_CLASS_NAME_EXTRA);
DebugTool.logInfo(TAG, "Received intent from package: " + packageName + ". Classname: " + className);
synchronized (LIST_LOCK) {
//Add to running services
services.add(new ComponentName(packageName, className));
//Remove from our waiting for response list
sdlMultiMap.remove(packageName);
//If list is empty, return to callback and unregister
if (sdlMultiMap.isEmpty() && callback != null) {
timeoutHandler.removeCallbacks(timeoutRunnable);
onFinished();
}
}
}
}
};
private void onFinished() {
if (callback != null) {
callback.onComplete(services);
}
context.unregisterReceiver(mainServiceReceiver);
}
// /**
// * Get all SDL enabled apps. If the package name is null, it will return all apps. However, if the package name is included, the
// * resulting hash map will not include the app with that package name.
// *
// * @param context
// * @param packageName
// * @return
// */
// public static HashMap<String, ResolveInfo> getSdlEnabledApps(Context context, String packageName) {
// Intent intent = new Intent(TransportConstants.START_ROUTER_SERVICE_ACTION);
// PackageManager manager = context.getPackageManager();
// List<ResolveInfo> infos = manager.queryBroadcastReceivers(intent, 0);
// HashMap<String, ResolveInfo> sdlMultiMap = new HashMap<String, ResolveInfo>();
// for (ResolveInfo info : infos) {
// //Log.d(TAG, "Sdl enabled app: " + info.activityInfo.packageName);
// if (info.activityInfo.applicationInfo.packageName.equals(packageName)) {
// //Log.d(TAG, "Ignoring my own package");
// continue;
// }
//
// sdlMultiMap.put(info.activityInfo.packageName, info);
// try {
// ServiceInfo[] services = manager.getPackageInfo(info.activityInfo.applicationInfo.packageName, PackageManager.GET_SERVICES).services;
// for (int i = 0; i < services.length; i++) {
// Log.d(TAG, "Found : " + services[i].name);
// }
// } catch (PackageManager.NameNotFoundException e) {
// e.printStackTrace();
// }
// }
// return sdlMultiMap;
// }
private static Intent createQueryIntent(String receiverLocation) {
Intent intent = new Intent();
intent.setAction(SdlRouterService.REGISTER_WITH_ROUTER_ACTION);
intent.putExtra(SEND_PACKET_TO_APP_LOCATION_EXTRA_NAME, receiverLocation);
intent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND);
return intent;
}
public interface ServiceFinderCallback {
void onComplete(Vector<ComponentName> routerServices);
}
}
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