diff options
Diffstat (limited to 'src/eu/siacs/conversations/ui/ConversationFragment.java')
| -rw-r--r-- | src/eu/siacs/conversations/ui/ConversationFragment.java | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/src/eu/siacs/conversations/ui/ConversationFragment.java b/src/eu/siacs/conversations/ui/ConversationFragment.java new file mode 100644 index 00000000..ff06fafc --- /dev/null +++ b/src/eu/siacs/conversations/ui/ConversationFragment.java @@ -0,0 +1,602 @@ +package eu.siacs.conversations.ui; + +import java.io.FileNotFoundException; +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.services.XmppConnectionService; +import eu.siacs.conversations.utils.PhoneHelper; +import eu.siacs.conversations.utils.UIHelper; +import android.app.AlertDialog; +import android.app.Fragment; +import android.content.DialogInterface; +import android.content.IntentSender; +import android.content.SharedPreferences; +import android.content.IntentSender.SendIntentException; +import android.graphics.Bitmap; +import android.graphics.BitmapFactory; +import android.graphics.Typeface; +import android.net.Uri; +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; + +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; + + protected Bitmap selfBitmap; + + 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; + + 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); + ImageButton sendButton = (ImageButton) view + .findViewById(R.id.textSendButton); + sendButton.setOnClickListener(this.sendMsgListener); + + pgpInfo = (LinearLayout) view.findViewById(R.id.pgp_keyentry); + pgpInfo.setOnClickListener(clickToDecryptListener); + + 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); + break; + case RECIEVED: + view = (View) inflater.inflate( + R.layout.message_recieved, null); + viewHolder.imageView = (ImageView) view + .findViewById(R.id.message_photo); + if (item.getConversation().getMode() == Conversation.MODE_SINGLE) { + Uri uri = item.getConversation() + .getProfilePhotoUri(); + if (uri != null) { + viewHolder.imageView + .setImageBitmap(mBitmapCache.get(item + .getConversation().getName(), + uri)); + } else { + viewHolder.imageView + .setImageBitmap(mBitmapCache.get(item + .getConversation().getName(), + null)); + } + } + 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)); + } else { + viewHolder.imageView + .setImageBitmap(mBitmapCache.get(item + .getConversation().getName(), null)); + } + } + } + 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); + } else { + viewHolder.messageBody.setText(body.trim()); + viewHolder.messageBody.setTextColor(0xff000000); + viewHolder.messageBody.setTypeface(null, Typeface.NORMAL); + } + } + 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); + + Bitmap self = null; + + if (showPhoneSelfContactPicture) { + Uri selfiUri = PhoneHelper.getSefliUri(getActivity()); + if (selfiUri != null) { + try { + self = BitmapFactory.decodeStream(getActivity() + .getContentResolver().openInputStream(selfiUri)); + } catch (FileNotFoundException e) { + self = null; + } + } + } + if (self == null) { + self = UIHelper.getUnknownContactPicture(conversation.getAccount() + .getJid(), 200); + } + + final Bitmap selfBitmap = self; + return selfBitmap; + } + + @Override + public void onStart() { + super.onStart(); + ConversationActivity activity = (ConversationActivity) getActivity(); + + if (activity.xmppConnectionServiceBound) { + this.onBackendConnected(); + } + } + + public void onBackendConnected() { + final ConversationActivity activity = (ConversationActivity) getActivity(); + this.conversation = activity.getSelectedConversation(); + this.selfBitmap = findSelfPicture(); + 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(); + } + } + if (queuedPqpMessage != null) { + this.conversation.nextMessageEncryption = Message.ENCRYPTION_PGP; + Message message = new Message(conversation, queuedPqpMessage, + Message.ENCRYPTION_PGP); + sendPgpMessage(message); + } + } + + public void updateMessages() { + ConversationActivity activity = (ConversationActivity) getActivity(); + 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 (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); + } + 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); + 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 (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(); + } + } + + public void resendPgpMessage(String msg) { + this.queuedPqpMessage = msg; + } + + 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 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, Uri uri) { + if (bitmaps.containsKey(name)) { + return bitmaps.get(name); + } else { + Bitmap bm; + if (uri != null) { + try { + bm = BitmapFactory.decodeStream(getActivity() + .getContentResolver().openInputStream(uri)); + } catch (FileNotFoundException e) { + bm = UIHelper.getUnknownContactPicture(name, 200); + } + } else { + bm = UIHelper.getUnknownContactPicture(name, 200); + } + 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; + try { + if (activity==null) { + return false; + } + Log.d("gultsch","calling to decrypt message id #"+params[i].getUuid()); + 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; + } + + } +} |