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.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.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.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AbsListView.OnScrollListener; import android.widget.AbsListView; import android.widget.EditText; 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 messageList = new ArrayList(); protected MessageAdapter messageListAdapter; protected Contact contact; protected String queuedPqpMessage = null; private EditText chatMsg; 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 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.getNextEncryption()); if (conversation.getNextEncryption() == Message.ENCRYPTION_OTR) { sendOtrMessage(message); } else if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) { sendPgpMessage(message); } else { sendPlainTextMessage(message); } } }; 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 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; public void updateChatMsgHint() { switch (conversation.getNextEncryption()) { case Message.ENCRYPTION_NONE: chatMsg.setHint(getString(R.string.send_plain_text_message)); break; case Message.ENCRYPTION_OTR: chatMsg.setHint(getString(R.string.send_otr_message)); break; case Message.ENCRYPTION_PGP: chatMsg.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); chatMsg = (EditText) view.findViewById(R.id.textinput); chatMsg.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (activity.getSlidingPaneLayout().isSlideable()) { activity.getSlidingPaneLayout().closePane(); } } }); ImageButton sendButton = (ImageButton) view .findViewById(R.id.textSendButton); sendButton.setOnClickListener(this.sendMsgListener); 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 = chatMsg.getText().toString().trim(); if (oldString.isEmpty()) { chatMsg.setText(nick + ": "); } else { chatMsg.setText(oldString + " " + nick + " "); } int position = chatMsg.length(); Editable etext = chatMsg.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(chatMsg.getText().toString()); } } public void onBackendConnected() { this.conversation = activity.getSelectedConversation(); if (this.conversation == null) { return; } String oldString = conversation.getNextMessage().trim(); if (this.pastedText == null) { this.chatMsg.setText(oldString); } else { if (oldString.isEmpty()) { chatMsg.setText(pastedText); } else { chatMsg.setText(oldString + " " + pastedText); } pastedText = null; } int position = chatMsg.length(); Editable etext = chatMsg.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() { @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); } chatMsg.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 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() { @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.chatMsg.setText(""); } }