cheogram/src/eu/siacs/conversations/ui/ConversationFragment.java
2014-03-21 22:14:52 +01:00

671 lines
21 KiB
Java

package eu.siacs.conversations.ui;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import net.java.otr4j.session.SessionStatus;
import eu.siacs.conversations.R;
import eu.siacs.conversations.crypto.PgpEngine.OpenPgpException;
import eu.siacs.conversations.crypto.PgpEngine.UserInputRequiredException;
import eu.siacs.conversations.entities.Contact;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.entities.MucOptions;
import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.utils.UIHelper;
import android.app.AlertDialog;
import android.app.Fragment;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentSender;
import android.content.SharedPreferences;
import android.content.IntentSender.SendIntentException;
import android.graphics.Bitmap;
import android.graphics.Typeface;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
public class ConversationFragment extends Fragment {
protected Conversation conversation;
protected ListView messagesView;
protected LayoutInflater inflater;
protected List<Message> messageList = new ArrayList<Message>();
protected ArrayAdapter<Message> messageListAdapter;
protected Contact contact;
protected BitmapCache mBitmapCache = new BitmapCache();
protected String queuedPqpMessage = null;
private EditText chatMsg;
private String pastedText = null;
protected Bitmap selfBitmap;
private boolean useSubject = true;
private IntentSender askForPassphraseIntent = null;
private OnClickListener sendMsgListener = new OnClickListener() {
@Override
public void onClick(View v) {
if (chatMsg.getText().length() < 1)
return;
Message message = new Message(conversation, chatMsg.getText()
.toString(), conversation.nextMessageEncryption);
if (conversation.nextMessageEncryption == Message.ENCRYPTION_OTR) {
sendOtrMessage(message);
} else if (conversation.nextMessageEncryption == Message.ENCRYPTION_PGP) {
sendPgpMessage(message);
} else {
sendPlainTextMessage(message);
}
}
};
protected OnClickListener clickToDecryptListener = new OnClickListener() {
@Override
public void onClick(View v) {
Log.d("gultsch", "clicked to decrypt");
if (askForPassphraseIntent != null) {
try {
getActivity().startIntentSenderForResult(
askForPassphraseIntent,
ConversationActivity.REQUEST_DECRYPT_PGP, null, 0,
0, 0);
} catch (SendIntentException e) {
Log.d("gultsch", "couldnt fire intent");
}
}
}
};
private LinearLayout pgpInfo;
private LinearLayout mucError;
private TextView mucErrorText;
private OnClickListener clickToMuc = new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), MucDetailsActivity.class);
intent.setAction(MucDetailsActivity.ACTION_VIEW_MUC);
intent.putExtra("uuid", conversation.getUuid());
startActivity(intent);
}
};
public void hidePgpPassphraseBox() {
pgpInfo.setVisibility(View.GONE);
}
public void updateChatMsgHint() {
if (conversation.getMode() == Conversation.MODE_MULTI) {
chatMsg.setHint("Send message to conference");
} else {
switch (conversation.nextMessageEncryption) {
case Message.ENCRYPTION_NONE:
chatMsg.setHint("Send plain text message");
break;
case Message.ENCRYPTION_OTR:
chatMsg.setHint("Send OTR encrypted message");
break;
case Message.ENCRYPTION_PGP:
chatMsg.setHint("Send openPGP encryted messeage");
break;
case Message.ENCRYPTION_DECRYPTED:
chatMsg.setHint("Send openPGP encryted messeage");
break;
default:
break;
}
}
}
@Override
public View onCreateView(final LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
this.inflater = inflater;
final View view = inflater.inflate(R.layout.fragment_conversation,
container, false);
chatMsg = (EditText) view.findViewById(R.id.textinput);
if (pastedText!=null) {
chatMsg.setText(pastedText);
}
ImageButton sendButton = (ImageButton) view
.findViewById(R.id.textSendButton);
sendButton.setOnClickListener(this.sendMsgListener);
pgpInfo = (LinearLayout) view.findViewById(R.id.pgp_keyentry);
pgpInfo.setOnClickListener(clickToDecryptListener);
mucError = (LinearLayout) view.findViewById(R.id.muc_error);
mucError.setOnClickListener(clickToMuc);
mucErrorText = (TextView) view.findViewById(R.id.muc_error_msg);
messagesView = (ListView) view.findViewById(R.id.messages_view);
messageListAdapter = new ArrayAdapter<Message>(this.getActivity()
.getApplicationContext(), R.layout.message_sent,
this.messageList) {
private static final int SENT = 0;
private static final int RECIEVED = 1;
private static final int ERROR = 2;
@Override
public int getViewTypeCount() {
return 3;
}
@Override
public int getItemViewType(int position) {
if (getItem(position).getStatus() == Message.STATUS_RECIEVED) {
return RECIEVED;
} else if (getItem(position).getStatus() == Message.STATUS_ERROR) {
return ERROR;
} else {
return SENT;
}
}
@Override
public View getView(int position, View view, ViewGroup parent) {
Message item = getItem(position);
int type = getItemViewType(position);
ViewHolder viewHolder;
if (view == null) {
viewHolder = new ViewHolder();
switch (type) {
case SENT:
view = (View) inflater.inflate(R.layout.message_sent,
null);
viewHolder.imageView = (ImageView) view
.findViewById(R.id.message_photo);
viewHolder.imageView.setImageBitmap(selfBitmap);
viewHolder.indicator = (ImageView) view.findViewById(R.id.security_indicator);
break;
case RECIEVED:
view = (View) inflater.inflate(
R.layout.message_recieved, null);
viewHolder.imageView = (ImageView) view
.findViewById(R.id.message_photo);
viewHolder.indicator = (ImageView) view.findViewById(R.id.security_indicator);
if (item.getConversation().getMode() == Conversation.MODE_SINGLE) {
viewHolder.imageView.setImageBitmap(mBitmapCache
.get(item.getConversation().getName(useSubject), item
.getConversation().getContact(),
getActivity()
.getApplicationContext()));
}
break;
case ERROR:
view = (View) inflater.inflate(R.layout.message_error,
null);
viewHolder.imageView = (ImageView) view
.findViewById(R.id.message_photo);
viewHolder.imageView.setImageBitmap(mBitmapCache
.getError());
break;
default:
viewHolder = null;
break;
}
viewHolder.messageBody = (TextView) view
.findViewById(R.id.message_body);
viewHolder.time = (TextView) view
.findViewById(R.id.message_time);
view.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) view.getTag();
}
if (type == RECIEVED) {
if (item.getConversation().getMode() == Conversation.MODE_MULTI) {
if (item.getCounterpart() != null) {
viewHolder.imageView.setImageBitmap(mBitmapCache
.get(item.getCounterpart(), null,
getActivity()
.getApplicationContext()));
} else {
viewHolder.imageView.setImageBitmap(mBitmapCache
.get(item.getConversation().getName(useSubject),
null, getActivity()
.getApplicationContext()));
}
}
}
String body = item.getBody();
if (body != null) {
if (item.getEncryption() == Message.ENCRYPTION_PGP) {
viewHolder.messageBody
.setText(getString(R.string.encrypted_message));
viewHolder.messageBody.setTextColor(0xff33B5E5);
viewHolder.messageBody.setTypeface(null,
Typeface.ITALIC);
viewHolder.indicator.setVisibility(View.VISIBLE);
} else if ((item.getEncryption() == Message.ENCRYPTION_OTR)||(item.getEncryption() == Message.ENCRYPTION_DECRYPTED)) {
viewHolder.messageBody.setText(body.trim());
viewHolder.messageBody.setTextColor(0xff000000);
viewHolder.messageBody.setTypeface(null,
Typeface.NORMAL);
viewHolder.indicator.setVisibility(View.VISIBLE);
} else {
viewHolder.messageBody.setText(body.trim());
viewHolder.messageBody.setTextColor(0xff000000);
viewHolder.messageBody.setTypeface(null,
Typeface.NORMAL);
if (item.getStatus() != Message.STATUS_ERROR) {
viewHolder.indicator.setVisibility(View.GONE);
}
}
} else {
viewHolder.indicator.setVisibility(View.GONE);
}
if (item.getStatus() == Message.STATUS_UNSEND) {
viewHolder.time.setTypeface(null, Typeface.ITALIC);
viewHolder.time.setText("sending\u2026");
} else {
viewHolder.time.setTypeface(null, Typeface.NORMAL);
if ((item.getConversation().getMode() == Conversation.MODE_SINGLE)
|| (type != RECIEVED)) {
viewHolder.time.setText(UIHelper
.readableTimeDifference(item.getTimeSent()));
} else {
viewHolder.time.setText(item.getCounterpart()
+ " \u00B7 "
+ UIHelper.readableTimeDifference(item
.getTimeSent()));
}
}
return view;
}
};
messagesView.setAdapter(messageListAdapter);
return view;
}
protected Bitmap findSelfPicture() {
SharedPreferences sharedPref = PreferenceManager
.getDefaultSharedPreferences(getActivity()
.getApplicationContext());
boolean showPhoneSelfContactPicture = sharedPref.getBoolean(
"show_phone_selfcontact_picture", true);
return UIHelper.getSelfContactPicture(conversation.getAccount(), 200,
showPhoneSelfContactPicture, getActivity());
}
@Override
public void onStart() {
super.onStart();
ConversationActivity activity = (ConversationActivity) getActivity();
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
if (activity.xmppConnectionServiceBound) {
this.onBackendConnected();
}
}
public void onBackendConnected() {
final ConversationActivity activity = (ConversationActivity) getActivity();
activity.registerListener();
this.conversation = activity.getSelectedConversation();
if (this.conversation == null) {
return;
}
this.selfBitmap = findSelfPicture();
updateMessages();
// rendering complete. now go tell activity to close pane
if (activity.getSlidingPaneLayout().isSlideable()) {
if (!activity.shouldPaneBeOpen()) {
activity.getSlidingPaneLayout().closePane();
activity.getActionBar().setDisplayHomeAsUpEnabled(true);
activity.getActionBar().setTitle(conversation.getName(useSubject));
activity.invalidateOptionsMenu();
}
}
if (queuedPqpMessage != null) {
this.conversation.nextMessageEncryption = Message.ENCRYPTION_PGP;
Message message = new Message(conversation, queuedPqpMessage,
Message.ENCRYPTION_PGP);
sendPgpMessage(message);
}
if (conversation.getMode() == Conversation.MODE_MULTI) {
activity.xmppConnectionService
.setOnRenameListener(new OnRenameListener() {
@Override
public void onRename(final boolean success) {
activity.xmppConnectionService.updateConversation(conversation);
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
if (success) {
Toast.makeText(
getActivity(),
"Your nickname has been changed",
Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getActivity(),
"Nichname is already in use",
Toast.LENGTH_SHORT).show();
}
}
});
}
});
}
}
public void updateMessages() {
ConversationActivity activity = (ConversationActivity) getActivity();
if (this.conversation != null) {
List<Message> encryptedMessages = new LinkedList<Message>();
for (Message message : this.conversation.getMessages()) {
if (message.getEncryption() == Message.ENCRYPTION_PGP) {
encryptedMessages.add(message);
}
}
if (encryptedMessages.size() > 0) {
DecryptMessage task = new DecryptMessage();
Message[] msgs = new Message[encryptedMessages.size()];
task.execute(encryptedMessages.toArray(msgs));
}
this.messageList.clear();
this.messageList.addAll(this.conversation.getMessages());
this.messageListAdapter.notifyDataSetChanged();
if (conversation.getMode() == Conversation.MODE_SINGLE) {
if (messageList.size() >= 1) {
int latestEncryption = this.conversation.getLatestMessage()
.getEncryption();
if (latestEncryption == Message.ENCRYPTION_DECRYPTED) {
conversation.nextMessageEncryption = Message.ENCRYPTION_PGP;
} else {
conversation.nextMessageEncryption = latestEncryption;
}
makeFingerprintWarning(latestEncryption);
}
} else {
if (conversation.getMucOptions().getError() != 0) {
mucError.setVisibility(View.VISIBLE);
if (conversation.getMucOptions().getError() == MucOptions.ERROR_NICK_IN_USE) {
mucErrorText.setText(getString(R.string.nick_in_use));
}
} else {
mucError.setVisibility(View.GONE);
}
}
getActivity().invalidateOptionsMenu();
updateChatMsgHint();
int size = this.messageList.size();
if (size >= 1)
messagesView.setSelection(size - 1);
if (!activity.shouldPaneBeOpen()) {
conversation.markRead();
// TODO update notifications
UIHelper.updateNotification(getActivity(),
activity.getConversationList(), null, false);
activity.updateConversationList();
}
}
}
protected void makeFingerprintWarning(int latestEncryption) {
final LinearLayout fingerprintWarning = (LinearLayout) getView()
.findViewById(R.id.new_fingerprint);
if (conversation.getContact() != null) {
Set<String> knownFingerprints = conversation.getContact()
.getOtrFingerprints();
if ((latestEncryption == Message.ENCRYPTION_OTR)
&& (conversation.hasValidOtrSession()
&& (conversation.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED) && (!knownFingerprints
.contains(conversation.getOtrFingerprint())))) {
fingerprintWarning.setVisibility(View.VISIBLE);
TextView fingerprint = (TextView) getView().findViewById(
R.id.otr_fingerprint);
fingerprint.setText(conversation.getOtrFingerprint());
fingerprintWarning.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog dialog = UIHelper
.getVerifyFingerprintDialog(
(ConversationActivity) getActivity(),
conversation, fingerprintWarning);
dialog.show();
}
});
} else {
fingerprintWarning.setVisibility(View.GONE);
}
} else {
fingerprintWarning.setVisibility(View.GONE);
}
}
protected void sendPlainTextMessage(Message message) {
ConversationActivity activity = (ConversationActivity) getActivity();
activity.xmppConnectionService.sendMessage(message, null);
chatMsg.setText("");
}
protected void sendPgpMessage(final Message message) {
ConversationActivity activity = (ConversationActivity) getActivity();
final XmppConnectionService xmppService = activity.xmppConnectionService;
Contact contact = message.getConversation().getContact();
if (activity.hasPgp()) {
if (contact.getPgpKeyId() != 0) {
xmppService.sendMessage(message, null);
chatMsg.setText("");
} else {
AlertDialog.Builder builder = new AlertDialog.Builder(
getActivity());
builder.setTitle("No openPGP key found");
builder.setIconAttribute(android.R.attr.alertDialogIcon);
builder.setMessage("There is no openPGP key assoziated with this contact");
builder.setNegativeButton("Cancel", null);
builder.setPositiveButton("Send plain text",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
conversation.nextMessageEncryption = Message.ENCRYPTION_NONE;
message.setEncryption(Message.ENCRYPTION_NONE);
xmppService.sendMessage(message, null);
chatMsg.setText("");
}
});
builder.create().show();
}
}
}
protected void sendOtrMessage(final Message message) {
ConversationActivity activity = (ConversationActivity) getActivity();
final XmppConnectionService xmppService = activity.xmppConnectionService;
if (conversation.hasValidOtrSession()) {
activity.xmppConnectionService.sendMessage(message, null);
chatMsg.setText("");
} else {
Hashtable<String, Integer> presences;
if (conversation.getContact() != null) {
presences = conversation.getContact().getPresences();
} else {
presences = null;
}
if ((presences == null) || (presences.size() == 0)) {
AlertDialog.Builder builder = new AlertDialog.Builder(
getActivity());
builder.setTitle("Contact is offline");
builder.setIconAttribute(android.R.attr.alertDialogIcon);
builder.setMessage("Sending OTR encrypted messages to an offline contact is impossible.");
builder.setPositiveButton("Send plain text",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
conversation.nextMessageEncryption = Message.ENCRYPTION_NONE;
message.setEncryption(Message.ENCRYPTION_NONE);
xmppService.sendMessage(message, null);
chatMsg.setText("");
}
});
builder.setNegativeButton("Cancel", null);
builder.create().show();
} else if (presences.size() == 1) {
xmppService.sendMessage(message, (String) presences.keySet()
.toArray()[0]);
chatMsg.setText("");
} else {
AlertDialog.Builder builder = new AlertDialog.Builder(
getActivity());
builder.setTitle("Choose Presence");
final String[] presencesArray = new String[presences.size()];
presences.keySet().toArray(presencesArray);
builder.setItems(presencesArray,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
xmppService.sendMessage(message,
presencesArray[which]);
chatMsg.setText("");
}
});
builder.create().show();
}
}
}
private static class ViewHolder {
protected ImageView indicator;
protected TextView time;
protected TextView messageBody;
protected ImageView imageView;
}
private class BitmapCache {
private HashMap<String, Bitmap> bitmaps = new HashMap<String, Bitmap>();
private Bitmap error = null;
public Bitmap get(String name, Contact contact, Context context) {
if (bitmaps.containsKey(name)) {
return bitmaps.get(name);
} else {
Bitmap bm = UIHelper.getContactPicture(contact, name, 200, context);
bitmaps.put(name, bm);
return bm;
}
}
public Bitmap getError() {
if (error == null) {
error = UIHelper.getErrorPicture(200);
}
return error;
}
}
class DecryptMessage extends AsyncTask<Message, Void, Boolean> {
@Override
protected Boolean doInBackground(Message... params) {
final ConversationActivity activity = (ConversationActivity) getActivity();
askForPassphraseIntent = null;
for (int i = 0; i < params.length; ++i) {
if (params[i].getEncryption() == Message.ENCRYPTION_PGP) {
String body = params[i].getBody();
String decrypted = null;
if (activity == null) {
return false;
} else if (!activity.xmppConnectionServiceBound) {
return false;
}
try {
decrypted = activity.xmppConnectionService
.getPgpEngine().decrypt(body);
} catch (UserInputRequiredException e) {
askForPassphraseIntent = e.getPendingIntent()
.getIntentSender();
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
pgpInfo.setVisibility(View.VISIBLE);
}
});
return false;
} catch (OpenPgpException e) {
Log.d("gultsch", "error decrypting pgp");
}
if (decrypted != null) {
params[i].setBody(decrypted);
params[i].setEncryption(Message.ENCRYPTION_DECRYPTED);
activity.xmppConnectionService.updateMessage(params[i]);
}
if (activity != null) {
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
messageListAdapter.notifyDataSetChanged();
}
});
}
}
if (activity != null) {
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
activity.updateConversationList();
}
});
}
}
return true;
}
}
public void setText(String text) {
this.pastedText = text;
}
}