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package de.gultsch.chat.ui;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.Set;
import net.java.otr4j.OtrException;
import net.java.otr4j.session.SessionStatus;
import de.gultsch.chat.R;
import de.gultsch.chat.entities.Contact;
import de.gultsch.chat.entities.Conversation;
import de.gultsch.chat.entities.Message;
import de.gultsch.chat.services.XmppConnectionService;
import de.gultsch.chat.utils.PhoneHelper;
import de.gultsch.chat.utils.UIHelper;
import android.app.AlertDialog;
import android.app.Fragment;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.graphics.Typeface;
import android.net.Uri;
import android.os.Bundle;
import android.preference.PreferenceManager;
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;
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;
private EditText chatMsg;
private OnClickListener sendMsgListener = new OnClickListener() {
@Override
public void onClick(View v) {
ConversationActivity activity = (ConversationActivity) getActivity();
final XmppConnectionService xmppService = activity.xmppConnectionService;
if (chatMsg.getText().length() < 1)
return;
final Message message = new Message(conversation, chatMsg.getText()
.toString(), conversation.nextMessageEncryption);
if (conversation.nextMessageEncryption == Message.ENCRYPTION_OTR) {
if (conversation.hasValidOtrSession()) {
activity.xmppConnectionService.sendMessage(
conversation.getAccount(), message, null);
chatMsg.setText("");
} else {
Hashtable<String, Integer> presences = conversation
.getContact().getPresences();
if (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(
conversation.getAccount(),
message, null);
chatMsg.setText("");
}
});
builder.setNegativeButton("Cancel", null);
builder.create().show();
} else if (presences.size() == 1) {
xmppService.sendMessage(conversation.getAccount(),
message,
(String) presences.keySet().toArray()[0]);
chatMsg.setText("");
}
}
} else {
xmppService.sendMessage(conversation.getAccount(), message,
null);
chatMsg.setText("");
}
}
};
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");
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);
ImageButton sendButton = (ImageButton) view
.findViewById(R.id.textSendButton);
sendButton.setOnClickListener(this.sendMsgListener);
messagesView = (ListView) view.findViewById(R.id.messages_view);
SharedPreferences sharedPref = PreferenceManager
.getDefaultSharedPreferences(getActivity()
.getApplicationContext());
boolean showPhoneSelfContactPicture = sharedPref.getBoolean(
"show_phone_selfcontact_picture", true);
final Uri selfiUri;
if (showPhoneSelfContactPicture) {
selfiUri = PhoneHelper.getSefliUri(getActivity());
} else {
selfiUri = null;
}
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;
@Override
public int getViewTypeCount() {
return 2;
}
@Override
public int getItemViewType(int position) {
if (getItem(position).getStatus() == Message.STATUS_RECIEVED) {
return RECIEVED;
} else {
return SENT;
}
}
@Override
public View getView(int position, View view, ViewGroup parent) {
Message item = getItem(position);
int type = getItemViewType(position);
if (view == null) {
switch (type) {
case SENT:
view = (View) inflater.inflate(R.layout.message_sent,
null);
break;
case RECIEVED:
view = (View) inflater.inflate(
R.layout.message_recieved, null);
break;
}
}
ImageView imageView = (ImageView) view
.findViewById(R.id.message_photo);
if (type == RECIEVED) {
if (item.getConversation().getMode() == Conversation.MODE_SINGLE) {
Uri uri = item.getConversation().getProfilePhotoUri();
if (uri != null) {
imageView.setImageURI(uri);
} else {
imageView.setImageBitmap(UIHelper
.getUnknownContactPicture(item
.getConversation().getName(), 200));
}
} else if (item.getConversation().getMode() == Conversation.MODE_MULTI) {
if (item.getCounterpart() != null) {
imageView.setImageBitmap(UIHelper
.getUnknownContactPicture(
item.getCounterpart(), 200));
} else {
imageView.setImageBitmap(UIHelper
.getUnknownContactPicture(item
.getConversation().getName(), 200));
}
}
} else {
if (selfiUri != null) {
imageView.setImageURI(selfiUri);
} else {
imageView.setImageBitmap(UIHelper
.getUnknownContactPicture(conversation
.getAccount().getJid(), 200));
}
}
TextView messageBody = (TextView) view
.findViewById(R.id.message_body);
String body = item.getBody();
if (body != null) {
messageBody.setText(body.trim());
}
TextView time = (TextView) view.findViewById(R.id.message_time);
if (item.getStatus() == Message.STATUS_UNSEND) {
time.setTypeface(null, Typeface.ITALIC);
time.setText("sending\u2026");
} else {
time.setTypeface(null, Typeface.NORMAL);
if ((item.getConversation().getMode() == Conversation.MODE_SINGLE)
|| (type != RECIEVED)) {
time.setText(UIHelper.readableTimeDifference(item
.getTimeSent()));
} else {
time.setText(item.getCounterpart()
+ " \u00B7 "
+ UIHelper.readableTimeDifference(item
.getTimeSent()));
}
}
return view;
}
};
messagesView.setAdapter(messageListAdapter);
return view;
}
@Override
public void onStart() {
super.onStart();
final ConversationActivity activity = (ConversationActivity) getActivity();
if (activity.xmppConnectionServiceBound) {
this.conversation = activity.getSelectedConversation();
updateMessages();
// rendering complete. now go tell activity to close pane
if (!activity.shouldPaneBeOpen()) {
activity.getSlidingPaneLayout().closePane();
activity.getActionBar().setDisplayHomeAsUpEnabled(true);
activity.getActionBar().setTitle(conversation.getName());
activity.invalidateOptionsMenu();
if (!conversation.isRead()) {
conversation.markRead();
activity.updateConversationList();
}
}
}
}
public void onBackendConnected() {
final ConversationActivity activity = (ConversationActivity) getActivity();
this.conversation = activity.getSelectedConversation();
updateMessages();
// rendering complete. now go tell activity to close pane
if (!activity.shouldPaneBeOpen()) {
activity.getSlidingPaneLayout().closePane();
activity.getActionBar().setDisplayHomeAsUpEnabled(true);
activity.getActionBar().setTitle(conversation.getName());
activity.invalidateOptionsMenu();
if (!conversation.isRead()) {
conversation.markRead();
activity.updateConversationList();
}
}
}
public void updateMessages() {
ConversationActivity activity = (ConversationActivity) getActivity();
this.messageList.clear();
this.messageList.addAll(this.conversation.getMessages());
this.messageListAdapter.notifyDataSetChanged();
if (messageList.size() >= 1) {
int latestEncryption = this.conversation.getLatestMessage()
.getEncryption();
conversation.nextMessageEncryption = latestEncryption;
makeFingerprintWarning(latestEncryption);
}
getActivity().invalidateOptionsMenu();
updateChatMsgHint();
int size = this.messageList.size();
if (size >= 1)
messagesView.setSelection(size - 1);
if (!activity.shouldPaneBeOpen()) {
conversation.markRead();
activity.updateConversationList();
}
}
protected void makeFingerprintWarning(int latestEncryption) {
final LinearLayout fingerprintWarning = (LinearLayout) getView()
.findViewById(R.id.new_fingerprint);
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);
}
}
}
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