2014-11-10 22:09:56 -08:00

626 lines
18 KiB
Java

package com.limelight;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import com.limelight.binding.PlatformBinding;
import com.limelight.binding.crypto.AndroidCryptoProvider;
import com.limelight.computers.ComputerManagerListener;
import com.limelight.computers.ComputerManagerService;
import com.limelight.nvstream.http.ComputerDetails;
import com.limelight.nvstream.http.NvHTTP;
import com.limelight.nvstream.http.PairingManager;
import com.limelight.nvstream.http.PairingManager.PairState;
import com.limelight.nvstream.wol.WakeOnLanSender;
import com.limelight.preferences.AddComputerManually;
import com.limelight.preferences.StreamSettings;
import com.limelight.utils.Dialog;
import android.app.Activity;
import android.app.Service;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.res.Configuration;
import android.os.Bundle;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.AdapterView.AdapterContextMenuInfo;
public class PcView extends Activity {
private Button settingsButton, addComputerButton;
private ListView pcList;
private ArrayAdapter<ComputerObject> pcListAdapter;
private ComputerManagerService.ComputerManagerBinder managerBinder;
private boolean freezeUpdates, runningPolling;
private ServiceConnection serviceConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder binder) {
final ComputerManagerService.ComputerManagerBinder localBinder =
((ComputerManagerService.ComputerManagerBinder)binder);
// Wait in a separate thread to avoid stalling the UI
new Thread() {
@Override
public void run() {
// Wait for the binder to be ready
localBinder.waitForReady();
// Now make the binder visible
managerBinder = localBinder;
// Start updates
startComputerUpdates();
// Force a keypair to be generated early to avoid discovery delays
new AndroidCryptoProvider(PcView.this).getClientCertificate();
}
}.start();
}
public void onServiceDisconnected(ComponentName className) {
managerBinder = null;
}
};
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Reinitialize views just in case orientation changed
initializeViews();
}
private final static int APP_LIST_ID = 1;
private final static int PAIR_ID = 2;
private final static int UNPAIR_ID = 3;
private final static int WOL_ID = 4;
private final static int DELETE_ID = 5;
private void initializeViews() {
setContentView(R.layout.activity_pc_view);
// Set default preferences if we've never been run
PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
// Setup the list view
settingsButton = (Button)findViewById(R.id.settingsButton);
addComputerButton = (Button)findViewById(R.id.manuallyAddPc);
pcList = (ListView)findViewById(R.id.pcListView);
pcList.setAdapter(pcListAdapter);
pcList.setItemsCanFocus(true);
pcList.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int pos,
long id) {
ComputerObject computer = pcListAdapter.getItem(pos);
if (computer.details == null) {
// Placeholder item; no context menu for it
return;
}
else if (computer.details.reachability == ComputerDetails.Reachability.OFFLINE) {
// Open the context menu if a PC is offline
openContextMenu(arg1);
}
else if (computer.details.pairState != PairState.PAIRED) {
// Pair an unpaired machine by default
doPair(computer.details);
}
else {
doAppList(computer.details);
}
}
});
registerForContextMenu(pcList);
settingsButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(PcView.this, StreamSettings.class));
}
});
addComputerButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent i = new Intent(PcView.this, AddComputerManually.class);
startActivity(i);
}
});
if (pcListAdapter.isEmpty()) {
addListPlaceholder();
}
else {
pcListAdapter.notifyDataSetChanged();
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Bind to the computer manager service
bindService(new Intent(PcView.this, ComputerManagerService.class), serviceConnection,
Service.BIND_AUTO_CREATE);
pcListAdapter = new ArrayAdapter<ComputerObject>(this, R.layout.simplerow, R.id.rowTextView);
pcListAdapter.setNotifyOnChange(false);
initializeViews();
}
private void startComputerUpdates() {
if (managerBinder != null) {
if (runningPolling) {
return;
}
freezeUpdates = false;
managerBinder.startPolling(new ComputerManagerListener() {
@Override
public void notifyComputerUpdated(final ComputerDetails details) {
if (!freezeUpdates) {
PcView.this.runOnUiThread(new Runnable() {
@Override
public void run() {
updateListView(details);
}
});
}
}
});
runningPolling = true;
}
}
private void stopComputerUpdates(boolean wait) {
if (managerBinder != null) {
if (!runningPolling) {
return;
}
freezeUpdates = true;
managerBinder.stopPolling();
if (wait) {
managerBinder.waitForPollingStopped();
}
runningPolling = false;
}
}
@Override
public void onDestroy() {
super.onDestroy();
if (managerBinder != null) {
unbindService(serviceConnection);
}
}
@Override
protected void onResume() {
super.onResume();
startComputerUpdates();
}
@Override
protected void onPause() {
super.onPause();
stopComputerUpdates(false);
}
@Override
protected void onStop() {
super.onStop();
Dialog.closeDialogs();
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
stopComputerUpdates(false);
// Call superclass
super.onCreateContextMenu(menu, v, menuInfo);
AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
ComputerObject computer = pcListAdapter.getItem(info.position);
if (computer == null || computer.details == null) {
startComputerUpdates();
return;
}
// Inflate the context menu
if (computer.details.reachability == ComputerDetails.Reachability.OFFLINE) {
menu.add(Menu.NONE, WOL_ID, 1, "Send Wake-On-LAN request");
menu.add(Menu.NONE, DELETE_ID, 2, "Delete PC");
}
else if (computer.details.pairState != PairState.PAIRED) {
menu.add(Menu.NONE, PAIR_ID, 1, "Pair with PC");
if (computer.details.reachability == ComputerDetails.Reachability.REMOTE) {
menu.add(Menu.NONE, DELETE_ID, 2, "Delete PC");
}
}
else {
menu.add(Menu.NONE, APP_LIST_ID, 1, "View Game List");
menu.add(Menu.NONE, UNPAIR_ID, 2, "Unpair");
}
}
@Override
public void onContextMenuClosed(Menu menu) {
startComputerUpdates();
}
private void doPair(final ComputerDetails computer) {
if (computer.reachability == ComputerDetails.Reachability.OFFLINE) {
Toast.makeText(PcView.this, "Computer is offline", Toast.LENGTH_SHORT).show();
return;
}
if (computer.runningGameId != 0) {
Toast.makeText(PcView.this, "Computer is currently in a game. " +
"You must close the game before pairing.", Toast.LENGTH_LONG).show();
return;
}
if (managerBinder == null) {
Toast.makeText(PcView.this, "The ComputerManager service is not running. " +
"Please wait a few seconds or restart the app.", Toast.LENGTH_LONG).show();
return;
}
Toast.makeText(PcView.this, "Pairing...", Toast.LENGTH_SHORT).show();
new Thread(new Runnable() {
@Override
public void run() {
NvHTTP httpConn;
String message;
try {
// Stop updates and wait while pairing
stopComputerUpdates(true);
InetAddress addr = null;
if (computer.reachability == ComputerDetails.Reachability.LOCAL) {
addr = computer.localIp;
}
else if (computer.reachability == ComputerDetails.Reachability.REMOTE) {
addr = computer.remoteIp;
}
httpConn = new NvHTTP(addr,
managerBinder.getUniqueId(),
PlatformBinding.getDeviceName(),
PlatformBinding.getCryptoProvider(PcView.this));
if (httpConn.getPairState() == PairingManager.PairState.PAIRED) {
message = "Already paired";
}
else {
final String pinStr = PairingManager.generatePinString();
// Spin the dialog off in a thread because it blocks
Dialog.displayDialog(PcView.this, "Pairing", "Please enter the following PIN on the target PC: "+pinStr, false);
PairingManager.PairState pairState = httpConn.pair(pinStr);
if (pairState == PairingManager.PairState.PIN_WRONG) {
message = "Incorrect PIN";
}
else if (pairState == PairingManager.PairState.FAILED) {
message = "Pairing failed";
}
else if (pairState == PairingManager.PairState.PAIRED) {
message = "Paired successfully";
}
else {
// Should be no other values
message = null;
}
}
} catch (UnknownHostException e) {
message = "Failed to resolve host";
} catch (FileNotFoundException e) {
message = "GFE returned an HTTP 404 error. Make sure your PC is running a supported GPU. Using remote desktop software can also cause this error. "
+ "Try rebooting your machine or reinstalling GFE.";
} catch (Exception e) {
e.printStackTrace();
message = e.getMessage();
}
Dialog.closeDialogs();
final String toastMessage = message;
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(PcView.this, toastMessage, Toast.LENGTH_LONG).show();
}
});
// Start polling again
startComputerUpdates();
}
}).start();
}
private void doWakeOnLan(final ComputerDetails computer) {
if (computer.reachability != ComputerDetails.Reachability.OFFLINE) {
Toast.makeText(PcView.this, "Computer is online", Toast.LENGTH_SHORT).show();
return;
}
if (computer.macAddress == null) {
Toast.makeText(PcView.this, "Unable to wake PC because GFE didn't send a MAC address", Toast.LENGTH_SHORT).show();
return;
}
Toast.makeText(PcView.this, "Waking PC...", Toast.LENGTH_SHORT).show();
new Thread(new Runnable() {
@Override
public void run() {
String message;
try {
WakeOnLanSender.sendWolPacket(computer);
message = "It may take a few seconds for your PC to wake up. " +
"If it doesn't, make sure it's configured properly for Wake-On-LAN.";
} catch (IOException e) {
message = "Failed to send Wake-On-LAN packets";
}
final String toastMessage = message;
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(PcView.this, toastMessage, Toast.LENGTH_LONG).show();
}
});
}
}).start();
}
private void doUnpair(final ComputerDetails computer) {
if (computer.reachability == ComputerDetails.Reachability.OFFLINE) {
Toast.makeText(PcView.this, "Computer is offline", Toast.LENGTH_SHORT).show();
return;
}
if (managerBinder == null) {
Toast.makeText(PcView.this, "The ComputerManager service is not running. " +
"Please wait a few seconds or restart the app.", Toast.LENGTH_LONG).show();
return;
}
Toast.makeText(PcView.this, "Unpairing...", Toast.LENGTH_SHORT).show();
new Thread(new Runnable() {
@Override
public void run() {
NvHTTP httpConn;
String message;
try {
InetAddress addr = null;
if (computer.reachability == ComputerDetails.Reachability.LOCAL) {
addr = computer.localIp;
}
else if (computer.reachability == ComputerDetails.Reachability.REMOTE) {
addr = computer.remoteIp;
}
httpConn = new NvHTTP(addr,
managerBinder.getUniqueId(),
PlatformBinding.getDeviceName(),
PlatformBinding.getCryptoProvider(PcView.this));
if (httpConn.getPairState() == PairingManager.PairState.PAIRED) {
httpConn.unpair();
if (httpConn.getPairState() == PairingManager.PairState.NOT_PAIRED) {
message = "Unpaired successfully";
}
else {
message = "Failed to unpair";
}
}
else {
message = "Device was not paired";
}
} catch (UnknownHostException e) {
message = "Failed to resolve host";
} catch (FileNotFoundException e) {
message = "GFE returned an HTTP 404 error. Make sure your PC is running a supported GPU. Using remote desktop software can also cause this error. "
+ "Try rebooting your machine or reinstalling GFE.";
} catch (Exception e) {
message = e.getMessage();
}
final String toastMessage = message;
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(PcView.this, toastMessage, Toast.LENGTH_LONG).show();
}
});
}
}).start();
}
private void doAppList(ComputerDetails computer) {
if (computer.reachability == ComputerDetails.Reachability.OFFLINE) {
Toast.makeText(PcView.this, "Computer is offline", Toast.LENGTH_SHORT).show();
return;
}
if (managerBinder == null) {
Toast.makeText(PcView.this, "The ComputerManager service is not running. " +
"Please wait a few seconds or restart the app.", Toast.LENGTH_LONG).show();
return;
}
Intent i = new Intent(this, AppView.class);
i.putExtra(AppView.NAME_EXTRA, computer.name);
i.putExtra(AppView.UNIQUEID_EXTRA, managerBinder.getUniqueId());
if (computer.reachability == ComputerDetails.Reachability.LOCAL) {
i.putExtra(AppView.ADDRESS_EXTRA, computer.localIp.getAddress());
i.putExtra(AppView.REMOTE_EXTRA, false);
}
else {
i.putExtra(AppView.ADDRESS_EXTRA, computer.remoteIp.getAddress());
i.putExtra(AppView.REMOTE_EXTRA, true);
}
startActivity(i);
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
ComputerObject computer = pcListAdapter.getItem(info.position);
switch (item.getItemId())
{
case PAIR_ID:
doPair(computer.details);
return true;
case UNPAIR_ID:
doUnpair(computer.details);
return true;
case WOL_ID:
doWakeOnLan(computer.details);
return true;
case DELETE_ID:
if (managerBinder == null) {
Toast.makeText(PcView.this, "The ComputerManager service is not running. " +
"Please wait a few seconds or restart the app.", Toast.LENGTH_LONG).show();
return true;
}
managerBinder.removeComputer(computer.details.name);
removeListView(computer.details);
return true;
case APP_LIST_ID:
doAppList(computer.details);
return true;
default:
return super.onContextItemSelected(item);
}
}
private static String generateString(ComputerDetails details) {
StringBuilder str = new StringBuilder();
str.append(details.name).append(" - ");
if (details.state == ComputerDetails.State.ONLINE) {
str.append("Online ");
if (details.reachability == ComputerDetails.Reachability.LOCAL) {
str.append("(Local) - ");
}
else {
str.append("(Remote) - ");
}
if (details.pairState == PairState.PAIRED) {
if (details.runningGameId == 0) {
str.append("Available");
}
else {
str.append("In Game");
}
}
else {
str.append("Not Paired");
}
}
else {
str.append("Offline");
}
return str.toString();
}
private void addListPlaceholder() {
pcListAdapter.add(new ComputerObject("Discovery is running. No computers found yet. " +
"If your PC doesn't show up in about 15 seconds, " +
"make sure your computer is running GFE or add your PC manually using the button above.", null));
}
private void removeListView(ComputerDetails details) {
for (int i = 0; i < pcListAdapter.getCount(); i++) {
ComputerObject computer = pcListAdapter.getItem(i);
if (details.equals(computer.details)) {
pcListAdapter.remove(computer);
break;
}
}
if (pcListAdapter.getCount() == 0) {
// Add the placeholder if we're down to 0 computers
addListPlaceholder();
}
}
private void updateListView(ComputerDetails details) {
String computerString = generateString(details);
ComputerObject existingEntry = null;
boolean placeholderPresent = false;
for (int i = 0; i < pcListAdapter.getCount(); i++) {
ComputerObject computer = pcListAdapter.getItem(i);
// If there's a placeholder, there's nothing else
if (computer.details == null) {
placeholderPresent = true;
break;
}
// Check if this is the same computer
if (details.equals(computer.details)) {
existingEntry = computer;
break;
}
}
if (existingEntry != null) {
// Replace the information in the existing entry
existingEntry.text = computerString;
existingEntry.details = details;
}
else {
// If the placeholder is the only object, remove it
if (placeholderPresent) {
pcListAdapter.remove(pcListAdapter.getItem(0));
}
// Add a new entry
pcListAdapter.add(new ComputerObject(computerString, details));
}
// Notify the view that the data has changed
pcListAdapter.notifyDataSetChanged();
}
public class ComputerObject {
public String text;
public ComputerDetails details;
public ComputerObject(String text, ComputerDetails details) {
this.text = text;
this.details = details;
}
@Override
public String toString() {
return text;
}
}
}