Signal-Android/src/org/thoughtcrime/redphone/RedPhone.java

434 wiersze
16 KiB
Java

/*
* Copyright (C) 2011 Whisper Systems
* Copyright (C) 2015 Open Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.redphone;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.res.Configuration;
import android.media.AudioManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Window;
import android.view.WindowManager;
import com.afollestad.materialdialogs.AlertDialogWrapper;
import org.thoughtcrime.redphone.crypto.zrtp.SASInfo;
import org.thoughtcrime.redphone.ui.CallControls;
import org.thoughtcrime.redphone.ui.CallScreen;
import org.thoughtcrime.redphone.util.AudioUtils;
import org.thoughtcrime.securesms.R;
import org.thoughtcrime.securesms.recipients.Recipient;
/**
* The main UI class for RedPhone. Most of the heavy lifting is
* done by RedPhoneService, so this activity is mostly responsible
* for receiving events about the state of ongoing calls and displaying
* the appropriate UI components.
*
* @author Moxie Marlinspike
*
*/
public class RedPhone extends Activity {
private static final String TAG = RedPhone.class.getSimpleName();
private static final int REMOTE_TERMINATE = 0;
private static final int LOCAL_TERMINATE = 1;
public static final int STATE_IDLE = 0;
public static final int STATE_RINGING = 2;
public static final int STATE_DIALING = 3;
public static final int STATE_ANSWERING = 4;
public static final int STATE_CONNECTED = 5;
private static final int STANDARD_DELAY_FINISH = 3000;
public static final int BUSY_SIGNAL_DELAY_FINISH = 5500;
public static final int HANDLE_CALL_CONNECTED = 0;
public static final int HANDLE_WAITING_FOR_RESPONDER = 1;
public static final int HANDLE_SERVER_FAILURE = 2;
public static final int HANDLE_PERFORMING_HANDSHAKE = 3;
public static final int HANDLE_HANDSHAKE_FAILED = 4;
public static final int HANDLE_CONNECTING_TO_INITIATOR = 5;
public static final int HANDLE_CALL_DISCONNECTED = 6;
public static final int HANDLE_CALL_RINGING = 7;
public static final int HANDLE_SERVER_MESSAGE = 9;
public static final int HANDLE_RECIPIENT_UNAVAILABLE = 10;
public static final int HANDLE_INCOMING_CALL = 11;
public static final int HANDLE_OUTGOING_CALL = 12;
public static final int HANDLE_CALL_BUSY = 13;
public static final int HANDLE_LOGIN_FAILED = 14;
public static final int HANDLE_CLIENT_FAILURE = 15;
public static final int HANDLE_DEBUG_INFO = 16;
public static final int HANDLE_NO_SUCH_USER = 17;
private final Handler callStateHandler = new CallStateHandler();
private int state;
private RedPhoneService redPhoneService;
private CallScreen callScreen;
private BroadcastReceiver bluetoothStateReceiver;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.redphone);
setVolumeControlStream(AudioManager.STREAM_VOICE_CALL);
initializeResources();
}
@Override
public void onResume() {
super.onResume();
initializeServiceBinding();
registerBluetoothReceiver();
}
@Override
public void onPause() {
super.onPause();
unbindService(serviceConnection);
unregisterReceiver(bluetoothStateReceiver);
}
@Override
public void onConfigurationChanged(Configuration newConfiguration) {
super.onConfigurationChanged(newConfiguration);
}
private void initializeServiceBinding() {
Log.w(TAG, "Binding to RedPhoneService...");
Intent bindIntent = new Intent(this, RedPhoneService.class);
bindService(bindIntent, serviceConnection, Context.BIND_AUTO_CREATE);
}
private void initializeResources() {
callScreen = (CallScreen)findViewById(R.id.callScreen);
state = STATE_IDLE;
callScreen.setHangupButtonListener(new HangupButtonListener());
callScreen.setIncomingCallActionListener(new IncomingCallActionListener());
callScreen.setMuteButtonListener(new MuteButtonListener());
callScreen.setAudioButtonListener(new AudioButtonListener());
}
private void handleSetMute(boolean enabled) {
Intent intent = new Intent(this, RedPhoneService.class);
intent.setAction(RedPhoneService.ACTION_SET_MUTE);
intent.putExtra(RedPhoneService.EXTRA_MUTE, enabled);
startService(intent);
}
private void handleAnswerCall() {
state = STATE_ANSWERING;
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(org.thoughtcrime.securesms.R.string.RedPhone_answering));
Intent intent = new Intent(this, RedPhoneService.class);
intent.setAction(RedPhoneService.ACTION_ANSWER_CALL);
startService(intent);
}
private void handleDenyCall() {
state = STATE_IDLE;
Intent intent = new Intent(this, RedPhoneService.class);
intent.setAction(RedPhoneService.ACTION_DENY_CALL);
startService(intent);
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(org.thoughtcrime.securesms.R.string.RedPhone_ending_call));
delayedFinish();
}
private void handleIncomingCall(Recipient recipient) {
state = STATE_RINGING;
callScreen.setIncomingCall(redPhoneService.getRecipient());
}
private void handleOutgoingCall(Recipient recipient) {
state = STATE_DIALING;
callScreen.setActiveCall(recipient, getString(org.thoughtcrime.securesms.R.string.RedPhone_dialing));
}
private void handleTerminate( int terminationType ) {
Log.w(TAG, "handleTerminate called");
Log.w(TAG, "Termination Stack:", new Exception());
if( state == STATE_DIALING ) {
if (terminationType == LOCAL_TERMINATE) {
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(org.thoughtcrime.securesms.R.string.RedPhone_canceling_call));
} else {
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_call_rejected));
}
} else if (state != STATE_IDLE) {
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_ending_call));
}
state = STATE_IDLE;
delayedFinish();
}
private void handleCallRinging() {
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_ringing));
}
private void handleCallBusy() {
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_busy));
state = STATE_IDLE;
delayedFinish(BUSY_SIGNAL_DELAY_FINISH);
}
private void handleCallConnected(SASInfo sas) {
getWindow().addFlags(WindowManager.LayoutParams.FLAG_IGNORE_CHEEK_PRESSES);
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_connected), sas);
state = STATE_CONNECTED;
redPhoneService.notifyCallConnectionUIUpdateComplete();
}
private void handleDebugInfo( String info ) {
// debugCard.setInfo( info );
}
private void handleConnectingToInitiator() {
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_connecting));
}
private void handleHandshakeFailed() {
state = STATE_IDLE;
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_handshake_failed));
delayedFinish();
}
private void handleRecipientUnavailable() {
state = STATE_IDLE;
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_recipient_unavailable));
delayedFinish();
}
private void handlePerformingHandshake() {
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_performing_handshake));
}
private void handleServerFailure() {
state = STATE_IDLE;
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_network_failed));
delayedFinish();
}
private void handleClientFailure(String msg) {
state = STATE_IDLE;
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_client_failed));
if( msg != null && !isFinishing() ) {
AlertDialog.Builder ad = new AlertDialog.Builder(this);
ad.setTitle(R.string.RedPhone_fatal_error);
ad.setMessage(msg);
ad.setCancelable(false);
ad.setPositiveButton(android.R.string.ok, new OnClickListener() {
public void onClick(DialogInterface dialog, int arg) {
RedPhone.this.handleTerminate(LOCAL_TERMINATE);
}
});
ad.show();
}
}
private void handleLoginFailed() {
state = STATE_IDLE;
callScreen.setActiveCall(redPhoneService.getRecipient(), getString(R.string.RedPhone_login_failed));
delayedFinish();
}
private void handleServerMessage(String message) {
if( isFinishing() ) return; //we're already shutting down, this might crash
AlertDialog.Builder ad = new AlertDialog.Builder(this);
ad.setTitle(R.string.RedPhone_message_from_the_server);
ad.setMessage(message);
ad.setCancelable(false);
ad.setPositiveButton(android.R.string.ok, new OnClickListener() {
public void onClick(DialogInterface dialog, int arg) {
RedPhone.this.handleTerminate(LOCAL_TERMINATE);
}
});
ad.show();
}
private void handleNoSuchUser(final Recipient recipient) {
if (isFinishing()) return; // XXX Stuart added this check above, not sure why, so I'm repeating in ignorance. - moxie
AlertDialogWrapper.Builder dialog = new AlertDialogWrapper.Builder(this);
dialog.setTitle(R.string.RedPhone_number_not_registered);
dialog.setIconAttribute(R.attr.dialog_alert_icon);
dialog.setMessage(R.string.RedPhone_the_number_you_dialed_does_not_support_secure_voice);
dialog.setCancelable(true);
dialog.setPositiveButton(R.string.RedPhone_got_it, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
RedPhone.this.handleTerminate(LOCAL_TERMINATE);
}
});
dialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
@Override
public void onCancel(DialogInterface dialog) {
RedPhone.this.handleTerminate(LOCAL_TERMINATE);
}
});
dialog.show();
}
private void delayedFinish() {
delayedFinish(STANDARD_DELAY_FINISH);
}
private void delayedFinish(int delayMillis) {
callStateHandler.postDelayed(new Runnable() {
public void run() {
RedPhone.this.finish();
}}, delayMillis);
}
private class CallStateHandler extends Handler {
@Override
public void handleMessage(Message message) {
Log.w(TAG, "Got message from service: " + message.what);
switch (message.what) {
case HANDLE_CALL_CONNECTED: handleCallConnected((SASInfo)message.obj); break;
case HANDLE_SERVER_FAILURE: handleServerFailure(); break;
case HANDLE_PERFORMING_HANDSHAKE: handlePerformingHandshake(); break;
case HANDLE_HANDSHAKE_FAILED: handleHandshakeFailed(); break;
case HANDLE_CONNECTING_TO_INITIATOR: handleConnectingToInitiator(); break;
case HANDLE_CALL_RINGING: handleCallRinging(); break;
case HANDLE_CALL_DISCONNECTED: handleTerminate( REMOTE_TERMINATE ); break;
case HANDLE_SERVER_MESSAGE: handleServerMessage((String)message.obj); break;
case HANDLE_NO_SUCH_USER: handleNoSuchUser((Recipient)message.obj); break;
case HANDLE_RECIPIENT_UNAVAILABLE: handleRecipientUnavailable(); break;
case HANDLE_INCOMING_CALL: handleIncomingCall((Recipient)message.obj); break;
case HANDLE_OUTGOING_CALL: handleOutgoingCall((Recipient)message.obj); break;
case HANDLE_CALL_BUSY: handleCallBusy(); break;
case HANDLE_LOGIN_FAILED: handleLoginFailed(); break;
case HANDLE_CLIENT_FAILURE: handleClientFailure((String)message.obj); break;
case HANDLE_DEBUG_INFO: handleDebugInfo((String)message.obj); break;
}
}
}
private class HangupButtonListener implements CallControls.HangupButtonListener {
public void onClick() {
Log.w(TAG, "Hangup pressed, handling termination now...");
Intent intent = new Intent(RedPhone.this, RedPhoneService.class);
intent.setAction(RedPhoneService.ACTION_HANGUP_CALL);
startService(intent);
RedPhone.this.handleTerminate(LOCAL_TERMINATE);
}
}
private class MuteButtonListener implements CallControls.MuteButtonListener {
@Override
public void onToggle(boolean isMuted) {
RedPhone.this.handleSetMute(isMuted);
}
}
private void registerBluetoothReceiver() {
IntentFilter filter = new IntentFilter();
filter.addAction(AudioUtils.getScoUpdateAction());
bluetoothStateReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
callScreen.notifyBluetoothChange();
}
};
registerReceiver(bluetoothStateReceiver, filter);
callScreen.notifyBluetoothChange();
}
private class AudioButtonListener implements CallControls.AudioButtonListener {
@Override
public void onAudioChange(AudioUtils.AudioMode mode) {
switch(mode) {
case DEFAULT:
AudioUtils.enableDefaultRouting(RedPhone.this);
break;
case SPEAKER:
AudioUtils.enableSpeakerphoneRouting(RedPhone.this);
break;
case HEADSET:
AudioUtils.enableBluetoothRouting(RedPhone.this);
break;
default:
throw new IllegalStateException("Audio mode " + mode + " is not supported.");
}
}
}
private class IncomingCallActionListener implements CallControls.IncomingCallActionListener {
@Override
public void onAcceptClick() {
RedPhone.this.handleAnswerCall();
}
@Override
public void onDenyClick() {
RedPhone.this.handleDenyCall();
}
}
private ServiceConnection serviceConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder service) {
RedPhone.this.redPhoneService = ((RedPhoneService.RedPhoneServiceBinder)service).getService();
redPhoneService.setCallStateHandler(callStateHandler);
Recipient recipient = redPhoneService.getRecipient();
switch (redPhoneService.getState()) {
case STATE_IDLE: callScreen.reset(); break;
case STATE_RINGING: handleIncomingCall(recipient); break;
case STATE_DIALING: handleOutgoingCall(recipient); break;
case STATE_ANSWERING: handleAnswerCall(); break;
case STATE_CONNECTED: handleCallConnected(redPhoneService.getCurrentCallSAS()); break;
}
}
public void onServiceDisconnected(ComponentName name) {
redPhoneService.setCallStateHandler(null);
}
};
}