Conversations/src/eu/siacs/conversations/ui/ConversationFragment.java
2014-07-31 13:26:05 +02:00

599 lines
18 KiB
Java

package eu.siacs.conversations.ui;
import java.util.ArrayList;
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;
import eu.siacs.conversations.entities.Account;
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.services.XmppConnectionService;
import eu.siacs.conversations.ui.EditMessage.OnEnterPressed;
import eu.siacs.conversations.ui.XmppActivity.OnPresenceSelected;
import eu.siacs.conversations.ui.adapter.MessageAdapter;
import eu.siacs.conversations.ui.adapter.MessageAdapter.OnContactPictureClicked;
import eu.siacs.conversations.utils.UIHelper;
import android.app.AlertDialog;
import android.app.Fragment;
import android.app.PendingIntent;
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.os.Bundle;
import android.preference.PreferenceManager;
import android.text.Editable;
import android.text.Selection;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.AbsListView.OnScrollListener;
import android.widget.TextView.OnEditorActionListener;
import android.widget.AbsListView;
import android.widget.ListView;
import android.widget.ImageButton;
import android.widget.RelativeLayout;
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 MessageAdapter messageListAdapter;
protected Contact contact;
protected String queuedPqpMessage = null;
private EditMessage mEditMessage;
private String pastedText = null;
private RelativeLayout snackbar;
private TextView snackbarMessage;
private TextView snackbarAction;
private boolean useSubject = true;
private boolean messagesLoaded = false;
private IntentSender askForPassphraseIntent = null;
private OnEditorActionListener mEditorActionListener = new OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_DONE) {
InputMethodManager imm = (InputMethodManager) v.getContext()
.getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
return true;
} else {
return false;
}
}
};
private OnClickListener mSendButtonListener = new OnClickListener() {
@Override
public void onClick(View v) {
sendMessage();
}
};
protected OnClickListener clickToDecryptListener = new OnClickListener() {
@Override
public void onClick(View v) {
if (activity.hasPgp() && askForPassphraseIntent != null) {
try {
getActivity().startIntentSenderForResult(
askForPassphraseIntent,
ConversationActivity.REQUEST_DECRYPT_PGP, null, 0,
0, 0);
} catch (SendIntentException e) {
//
}
}
}
};
private OnClickListener clickToMuc = new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(),
ConferenceDetailsActivity.class);
intent.setAction(ConferenceDetailsActivity.ACTION_VIEW_MUC);
intent.putExtra("uuid", conversation.getUuid());
startActivity(intent);
}
};
private OnClickListener leaveMuc = new OnClickListener() {
@Override
public void onClick(View v) {
activity.endConversation(conversation);
}
};
private OnScrollListener mOnScrollListener = new OnScrollListener() {
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
// TODO Auto-generated method stub
}
@Override
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
if (firstVisibleItem == 0 && messagesLoaded) {
long timestamp = messageList.get(0).getTimeSent();
messagesLoaded = false;
List<Message> messages = activity.xmppConnectionService
.getMoreMessages(conversation, timestamp);
messageList.addAll(0, messages);
messageListAdapter.notifyDataSetChanged();
if (messages.size() != 0) {
messagesLoaded = true;
}
messagesView.setSelectionFromTop(messages.size() + 1, 0);
}
}
};
private ConversationActivity activity;
private void sendMessage() {
if (mEditMessage.getText().length() < 1)
return;
Message message = new Message(conversation, mEditMessage.getText()
.toString(), conversation.getNextEncryption());
if (conversation.getNextEncryption() == Message.ENCRYPTION_OTR) {
sendOtrMessage(message);
} else if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
sendPgpMessage(message);
} else {
sendPlainTextMessage(message);
}
}
public void updateChatMsgHint() {
switch (conversation.getNextEncryption()) {
case Message.ENCRYPTION_NONE:
mEditMessage.setHint(getString(R.string.send_plain_text_message));
break;
case Message.ENCRYPTION_OTR:
mEditMessage.setHint(getString(R.string.send_otr_message));
break;
case Message.ENCRYPTION_PGP:
mEditMessage.setHint(getString(R.string.send_pgp_message));
break;
default:
break;
}
}
@Override
public View onCreateView(final LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
final View view = inflater.inflate(R.layout.fragment_conversation,
container, false);
mEditMessage = (EditMessage) view.findViewById(R.id.textinput);
mEditMessage.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (activity.getSlidingPaneLayout().isSlideable()) {
activity.getSlidingPaneLayout().closePane();
}
}
});
mEditMessage.setOnEditorActionListener(mEditorActionListener);
mEditMessage.setOnEnterPressedListener(new OnEnterPressed() {
@Override
public void onEnterPressed() {
sendMessage();
}
});
ImageButton sendButton = (ImageButton) view
.findViewById(R.id.textSendButton);
sendButton.setOnClickListener(this.mSendButtonListener);
snackbar = (RelativeLayout) view.findViewById(R.id.snackbar);
snackbarMessage = (TextView) view.findViewById(R.id.snackbar_message);
snackbarAction = (TextView) view.findViewById(R.id.snackbar_action);
messagesView = (ListView) view.findViewById(R.id.messages_view);
messagesView.setOnScrollListener(mOnScrollListener);
messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
messageListAdapter = new MessageAdapter((ConversationActivity) getActivity(), this.messageList);
messageListAdapter.setOnContactPictureClicked(new OnContactPictureClicked() {
@Override
public void onContactPictureClicked(Message message) {
if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
highlightInConference(message.getCounterpart());
}
}
});
messagesView.setAdapter(messageListAdapter);
return view;
}
protected void highlightInConference(String nick) {
String oldString = mEditMessage.getText().toString().trim();
if (oldString.isEmpty()) {
mEditMessage.setText(nick + ": ");
} else {
mEditMessage.setText(oldString + " " + nick + " ");
}
int position = mEditMessage.length();
Editable etext = mEditMessage.getText();
Selection.setSelection(etext, position);
}
@Override
public void onStart() {
super.onStart();
this.activity = (ConversationActivity) getActivity();
SharedPreferences preferences = PreferenceManager
.getDefaultSharedPreferences(activity);
this.useSubject = preferences.getBoolean("use_subject_in_muc", true);
if (activity.xmppConnectionServiceBound) {
this.onBackendConnected();
}
}
@Override
public void onStop() {
super.onStop();
if (this.conversation != null) {
this.conversation.setNextMessage(mEditMessage.getText().toString());
}
}
public void onBackendConnected() {
this.conversation = activity.getSelectedConversation();
if (this.conversation == null) {
return;
}
String oldString = conversation.getNextMessage().trim();
if (this.pastedText == null) {
this.mEditMessage.setText(oldString);
} else {
if (oldString.isEmpty()) {
mEditMessage.setText(pastedText);
} else {
mEditMessage.setText(oldString + " " + pastedText);
}
pastedText = null;
}
int position = mEditMessage.length();
Editable etext = mEditMessage.getText();
Selection.setSelection(etext, position);
updateMessages();
if (activity.getSlidingPaneLayout().isSlideable()) {
if (!activity.shouldPaneBeOpen()) {
activity.getSlidingPaneLayout().closePane();
activity.getActionBar().setDisplayHomeAsUpEnabled(true);
activity.getActionBar().setHomeButtonEnabled(true);
activity.getActionBar().setTitle(
conversation.getName(useSubject));
activity.invalidateOptionsMenu();
}
}
}
private void decryptMessage(Message message) {
PgpEngine engine = activity.xmppConnectionService.getPgpEngine();
if (engine != null) {
engine.decrypt(message, new UiCallback<Message>() {
@Override
public void userInputRequried(PendingIntent pi, Message message) {
askForPassphraseIntent = pi.getIntentSender();
showSnackbar(R.string.openpgp_messages_found,
R.string.decrypt, clickToDecryptListener);
}
@Override
public void success(Message message) {
activity.xmppConnectionService.databaseBackend
.updateMessage(message);
updateMessages();
}
@Override
public void error(int error, Message message) {
message.setEncryption(Message.ENCRYPTION_DECRYPTION_FAILED);
// updateMessages();
}
});
}
}
public void updateMessages() {
if (getView() == null) {
return;
}
hideSnackbar();
final ConversationActivity activity = (ConversationActivity) getActivity();
if (this.conversation != null) {
final Contact contact = this.conversation.getContact();
if (!contact.showInRoster() && contact.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
showSnackbar(R.string.contact_added_you, R.string.add_back, new OnClickListener() {
@Override
public void onClick(View v) {
activity.xmppConnectionService.createContact(contact);
activity.switchToContactDetails(contact);
}
});
}
for (Message message : this.conversation.getMessages()) {
if ((message.getEncryption() == Message.ENCRYPTION_PGP)
&& ((message.getStatus() == Message.STATUS_RECIEVED) || (message
.getStatus() == Message.STATUS_SEND))) {
decryptMessage(message);
break;
}
}
if (this.conversation.getMessages().size() == 0) {
this.messageList.clear();
messagesLoaded = false;
} else {
for (Message message : this.conversation.getMessages()) {
if (!this.messageList.contains(message)) {
this.messageList.add(message);
}
}
messagesLoaded = true;
updateStatusMessages();
}
this.messageListAdapter.notifyDataSetChanged();
if (conversation.getMode() == Conversation.MODE_SINGLE) {
if (messageList.size() >= 1) {
makeFingerprintWarning(conversation.getLatestEncryption());
}
} else {
if (!conversation.getMucOptions().online()
&& conversation.getAccount().getStatus() == Account.STATUS_ONLINE) {
if (conversation.getMucOptions().getError() == MucOptions.ERROR_NICK_IN_USE) {
showSnackbar(R.string.nick_in_use, R.string.edit,
clickToMuc);
} else if (conversation.getMucOptions().getError() == MucOptions.ERROR_ROOM_NOT_FOUND) {
showSnackbar(R.string.conference_not_found,
R.string.leave, leaveMuc);
}
}
}
getActivity().invalidateOptionsMenu();
updateChatMsgHint();
if (!activity.shouldPaneBeOpen()) {
activity.xmppConnectionService.markRead(conversation);
// TODO update notifications
UIHelper.updateNotification(getActivity(),
activity.getConversationList(), null, false);
activity.updateConversationList();
}
}
}
private void messageSent() {
int size = this.messageList.size();
if (size >= 1) {
messagesView.setSelection(size - 1);
}
mEditMessage.setText("");
}
protected void updateStatusMessages() {
boolean addedStatusMsg = false;
if (conversation.getMode() == Conversation.MODE_SINGLE) {
for (int i = this.messageList.size() - 1; i >= 0; --i) {
if (addedStatusMsg) {
if (this.messageList.get(i).getType() == Message.TYPE_STATUS) {
this.messageList.remove(i);
--i;
}
} else {
if (this.messageList.get(i).getStatus() == Message.STATUS_RECIEVED) {
addedStatusMsg = true;
} else {
if (this.messageList.get(i).getStatus() == Message.STATUS_SEND_DISPLAYED) {
this.messageList.add(i + 1,
Message.createStatusMessage(conversation));
addedStatusMsg = true;
}
}
}
}
}
}
protected void makeFingerprintWarning(int latestEncryption) {
Set<String> knownFingerprints = conversation.getContact()
.getOtrFingerprints();
if ((latestEncryption == Message.ENCRYPTION_OTR)
&& (conversation.hasValidOtrSession()
&& (conversation.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED) && (!knownFingerprints
.contains(conversation.getOtrFingerprint())))) {
showSnackbar(R.string.unknown_otr_fingerprint, R.string.verify,
new OnClickListener() {
@Override
public void onClick(View v) {
if (conversation.getOtrFingerprint() != null) {
AlertDialog dialog = UIHelper
.getVerifyFingerprintDialog(
(ConversationActivity) getActivity(),
conversation, snackbar);
dialog.show();
}
}
});
}
}
protected void showSnackbar(int message, int action,
OnClickListener clickListener) {
snackbar.setVisibility(View.VISIBLE);
snackbarMessage.setText(message);
snackbarAction.setText(action);
snackbarAction.setOnClickListener(clickListener);
}
protected void hideSnackbar() {
snackbar.setVisibility(View.GONE);
}
protected void sendPlainTextMessage(Message message) {
ConversationActivity activity = (ConversationActivity) getActivity();
activity.xmppConnectionService.sendMessage(message);
messageSent();
}
protected void sendPgpMessage(final Message message) {
final ConversationActivity activity = (ConversationActivity) getActivity();
final XmppConnectionService xmppService = activity.xmppConnectionService;
final Contact contact = message.getConversation().getContact();
if (activity.hasPgp()) {
if (conversation.getMode() == Conversation.MODE_SINGLE) {
if (contact.getPgpKeyId() != 0) {
xmppService.getPgpEngine().hasKey(contact,
new UiCallback<Contact>() {
@Override
public void userInputRequried(PendingIntent pi,
Contact contact) {
activity.runIntent(
pi,
ConversationActivity.REQUEST_ENCRYPT_MESSAGE);
}
@Override
public void success(Contact contact) {
messageSent();
activity.encryptTextMessage(message);
}
@Override
public void error(int error, Contact contact) {
}
});
} else {
showNoPGPKeyDialog(false,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
conversation
.setNextEncryption(Message.ENCRYPTION_NONE);
message.setEncryption(Message.ENCRYPTION_NONE);
xmppService.sendMessage(message);
messageSent();
}
});
}
} else {
if (conversation.getMucOptions().pgpKeysInUse()) {
if (!conversation.getMucOptions().everybodyHasKeys()) {
Toast warning = Toast
.makeText(getActivity(),
R.string.missing_public_keys,
Toast.LENGTH_LONG);
warning.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
warning.show();
}
activity.encryptTextMessage(message);
messageSent();
} else {
showNoPGPKeyDialog(true,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
conversation
.setNextEncryption(Message.ENCRYPTION_NONE);
message.setEncryption(Message.ENCRYPTION_NONE);
xmppService.sendMessage(message);
messageSent();
}
});
}
}
} else {
activity.showInstallPgpDialog();
}
}
public void showNoPGPKeyDialog(boolean plural,
DialogInterface.OnClickListener listener) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setIconAttribute(android.R.attr.alertDialogIcon);
if (plural) {
builder.setTitle(getString(R.string.no_pgp_keys));
builder.setMessage(getText(R.string.contacts_have_no_pgp_keys));
} else {
builder.setTitle(getString(R.string.no_pgp_key));
builder.setMessage(getText(R.string.contact_has_no_pgp_key));
}
builder.setNegativeButton(getString(R.string.cancel), null);
builder.setPositiveButton(getString(R.string.send_unencrypted),
listener);
builder.create().show();
}
protected void sendOtrMessage(final Message message) {
final ConversationActivity activity = (ConversationActivity) getActivity();
final XmppConnectionService xmppService = activity.xmppConnectionService;
if (conversation.hasValidOtrSession()) {
activity.xmppConnectionService.sendMessage(message);
messageSent();
} else {
activity.selectPresence(message.getConversation(),
new OnPresenceSelected() {
@Override
public void onPresenceSelected() {
message.setPresence(conversation.getNextPresence());
xmppService.sendMessage(message);
messageSent();
}
});
}
}
public void setText(String text) {
this.pastedText = text;
}
public void clearInputField() {
this.mEditMessage.setText("");
}
}