renaming eu.siacs.conversations to de.thedevstack.conversationsplus

 "renaming eu.siacs.conversations to de.thedevstack.conversationsplus"

package renaming completed

1 files changed, 957 insertions, 0 deletions

diff --git a/src/main/java/de/thedevstack/conversationsplus/ui/XmppActivity.java b/src/main/java/de/thedevstack/conversationsplus/ui/XmppActivity.java
new file mode 100644
index 00000000..6c1f0439
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/ui/XmppActivity.java
@@ -0,0 +1,957 @@
+package de.thedevstack.conversationsplus.ui;
+
+import android.annotation.SuppressLint;
+import android.annotation.TargetApi;
+import android.app.ActionBar;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.AlertDialog.Builder;
+import android.app.PendingIntent;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.content.Intent;
+import android.content.IntentSender.SendIntentException;
+import android.content.ServiceConnection;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.graphics.Point;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.nfc.NdefMessage;
+import android.nfc.NdefRecord;
+import android.nfc.NfcAdapter;
+import android.nfc.NfcEvent;
+import android.os.AsyncTask;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.SystemClock;
+import android.preference.PreferenceManager;
+import android.text.InputType;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.EditText;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.WriterException;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.QRCodeWriter;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+
+import net.java.otr4j.session.SessionID;
+
+import java.io.FileNotFoundException;
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.concurrent.RejectedExecutionException;
+
+import de.tzur.conversations.Settings;
+import de.thedevstack.conversationsplus.Config;
+import de.thedevstack.conversationsplus.R;
+import de.thedevstack.conversationsplus.entities.Account;
+import de.thedevstack.conversationsplus.entities.Contact;
+import de.thedevstack.conversationsplus.entities.Conversation;
+import de.thedevstack.conversationsplus.entities.Message;
+import de.thedevstack.conversationsplus.entities.MucOptions;
+import de.thedevstack.conversationsplus.entities.Presences;
+import de.thedevstack.conversationsplus.services.AvatarService;
+import de.thedevstack.conversationsplus.services.XmppConnectionService;
+import de.thedevstack.conversationsplus.services.XmppConnectionService.XmppConnectionBinder;
+import de.thedevstack.conversationsplus.utils.ExceptionHelper;
+import de.thedevstack.conversationsplus.xmpp.OnUpdateBlocklist;
+import de.thedevstack.conversationsplus.xmpp.jid.InvalidJidException;
+import de.thedevstack.conversationsplus.xmpp.jid.Jid;
+
+public abstract class XmppActivity extends Activity {
+
+	protected static final int REQUEST_ANNOUNCE_PGP = 0x0101;
+	protected static final int REQUEST_INVITE_TO_CONVERSATION = 0x0102;
+
+	public XmppConnectionService xmppConnectionService;
+	public boolean xmppConnectionServiceBound = false;
+	protected boolean registeredListeners = false;
+
+	protected int mPrimaryTextColor;
+	protected int mSecondaryTextColor;
+	protected int mSecondaryBackgroundColor;
+	protected int mColorRed;
+	protected int mColorOrange;
+	protected int mColorGreen;
+	protected int mPrimaryColor;
+
+	protected boolean mUseSubject = true;
+
+	private DisplayMetrics metrics;
+	protected int mTheme;
+	protected boolean mUsingEnterKey = false;
+
+	private long mLastUiRefresh = 0;
+	private Handler mRefreshUiHandler = new Handler();
+	private Runnable mRefreshUiRunnable = new Runnable() {
+		@Override
+		public void run() {
+			mLastUiRefresh = SystemClock.elapsedRealtime();
+			refreshUiReal();
+		}
+	};
+
+
+	protected void refreshUi() {
+		final long diff = SystemClock.elapsedRealtime() - mLastUiRefresh;
+		if (diff > Config.REFRESH_UI_INTERVAL) {
+			mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
+			runOnUiThread(mRefreshUiRunnable);
+		} else {
+			final long next = Config.REFRESH_UI_INTERVAL - diff;
+			mRefreshUiHandler.removeCallbacks(mRefreshUiRunnable);
+			mRefreshUiHandler.postDelayed(mRefreshUiRunnable,next);
+		}
+	}
+
+	protected void refreshUiReal() {
+
+	};
+
+	protected interface OnValueEdited {
+		public void onValueEdited(String value);
+	}
+
+	public interface OnPresenceSelected {
+		public void onPresenceSelected();
+	}
+
+	protected ServiceConnection mConnection = new ServiceConnection() {
+
+		@Override
+		public void onServiceConnected(ComponentName className, IBinder service) {
+			XmppConnectionBinder binder = (XmppConnectionBinder) service;
+			xmppConnectionService = binder.getService();
+			xmppConnectionServiceBound = true;
+			if (!registeredListeners && shouldRegisterListeners()) {
+				registerListeners();
+				registeredListeners = true;
+			}
+			onBackendConnected();
+		}
+
+		@Override
+		public void onServiceDisconnected(ComponentName arg0) {
+			xmppConnectionServiceBound = false;
+		}
+	};
+
+	@Override
+	protected void onStart() {
+		super.onStart();
+		if (!xmppConnectionServiceBound) {
+			connectToBackend();
+		} else {
+			if (!registeredListeners) {
+				this.registerListeners();
+				this.registeredListeners = true;
+			}
+			this.onBackendConnected();
+		}
+	}
+
+	@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
+	protected boolean shouldRegisterListeners() {
+		if  (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+			return !isDestroyed() && !isFinishing();
+		} else {
+			return !isFinishing();
+		}
+	}
+
+	public void connectToBackend() {
+		Intent intent = new Intent(this, XmppConnectionService.class);
+		intent.setAction("ui");
+		startService(intent);
+		bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
+	}
+
+	@Override
+	protected void onStop() {
+		super.onStop();
+		if (xmppConnectionServiceBound) {
+			if (registeredListeners) {
+				this.unregisterListeners();
+				this.registeredListeners = false;
+			}
+			unbindService(mConnection);
+			xmppConnectionServiceBound = false;
+		}
+	}
+
+	protected void hideKeyboard() {
+		InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+
+		View focus = getCurrentFocus();
+
+		if (focus != null) {
+
+			inputManager.hideSoftInputFromWindow(focus.getWindowToken(),
+					InputMethodManager.HIDE_NOT_ALWAYS);
+		}
+	}
+
+	public boolean hasPgp() {
+		return xmppConnectionService.getPgpEngine() != null;
+	}
+
+	public void showInstallPgpDialog() {
+		Builder builder = new AlertDialog.Builder(this);
+		builder.setTitle(getString(R.string.openkeychain_required));
+		builder.setIconAttribute(android.R.attr.alertDialogIcon);
+		builder.setMessage(getText(R.string.openkeychain_required_long));
+		builder.setNegativeButton(getString(R.string.cancel), null);
+		builder.setNeutralButton(getString(R.string.restart),
+				new OnClickListener() {
+
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+						if (xmppConnectionServiceBound) {
+							unbindService(mConnection);
+							xmppConnectionServiceBound = false;
+						}
+						stopService(new Intent(XmppActivity.this,
+									XmppConnectionService.class));
+						finish();
+					}
+				});
+		builder.setPositiveButton(getString(R.string.install),
+				new OnClickListener() {
+
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+						Uri uri = Uri
+							.parse("market://details?id=org.sufficientlysecure.keychain");
+						Intent marketIntent = new Intent(Intent.ACTION_VIEW,
+								uri);
+						PackageManager manager = getApplicationContext()
+							.getPackageManager();
+						List<ResolveInfo> infos = manager
+							.queryIntentActivities(marketIntent, 0);
+						if (infos.size() > 0) {
+							startActivity(marketIntent);
+						} else {
+							uri = Uri.parse("http://www.openkeychain.org/");
+							Intent browserIntent = new Intent(
+									Intent.ACTION_VIEW, uri);
+							startActivity(browserIntent);
+						}
+						finish();
+					}
+				});
+		builder.create().show();
+	}
+
+	abstract void onBackendConnected();
+
+	protected void registerListeners() {
+		if (this instanceof XmppConnectionService.OnConversationUpdate) {
+			this.xmppConnectionService.setOnConversationListChangedListener((XmppConnectionService.OnConversationUpdate) this);
+		}
+		if (this instanceof XmppConnectionService.OnAccountUpdate) {
+			this.xmppConnectionService.setOnAccountListChangedListener((XmppConnectionService.OnAccountUpdate) this);
+		}
+		if (this instanceof XmppConnectionService.OnRosterUpdate) {
+			this.xmppConnectionService.setOnRosterUpdateListener((XmppConnectionService.OnRosterUpdate) this);
+		}
+		if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
+			this.xmppConnectionService.setOnMucRosterUpdateListener((XmppConnectionService.OnMucRosterUpdate) this);
+		}
+		if (this instanceof OnUpdateBlocklist) {
+			this.xmppConnectionService.setOnUpdateBlocklistListener((OnUpdateBlocklist) this);
+		}
+	}
+
+	protected void unregisterListeners() {
+		if (this instanceof XmppConnectionService.OnConversationUpdate) {
+			this.xmppConnectionService.removeOnConversationListChangedListener();
+		}
+		if (this instanceof XmppConnectionService.OnAccountUpdate) {
+			this.xmppConnectionService.removeOnAccountListChangedListener();
+		}
+		if (this instanceof XmppConnectionService.OnRosterUpdate) {
+			this.xmppConnectionService.removeOnRosterUpdateListener();
+		}
+		if (this instanceof XmppConnectionService.OnMucRosterUpdate) {
+			this.xmppConnectionService.removeOnMucRosterUpdateListener();
+		}
+		if (this instanceof OnUpdateBlocklist) {
+			this.xmppConnectionService.removeOnUpdateBlocklistListener();
+		}
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(final MenuItem item) {
+		switch (item.getItemId()) {
+			case R.id.action_settings:
+				startActivity(new Intent(this, SettingsActivity.class));
+				break;
+			case R.id.action_accounts:
+				startActivity(new Intent(this, ManageAccountActivity.class));
+				break;
+			case android.R.id.home:
+				finish();
+				break;
+			case R.id.action_show_qr_code:
+				showQrCode();
+				break;
+		}
+		return super.onOptionsItemSelected(item);
+	}
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		metrics = getResources().getDisplayMetrics();
+		ExceptionHelper.init(getApplicationContext());
+		mPrimaryTextColor = getResources().getColor(R.color.primarytext);
+		mSecondaryTextColor = getResources().getColor(R.color.secondarytext);
+		mColorRed = getResources().getColor(R.color.red);
+		mColorOrange = getResources().getColor(R.color.orange);
+		mColorGreen = getResources().getColor(R.color.green);
+		mPrimaryColor = getResources().getColor(R.color.primary);
+		mSecondaryBackgroundColor = getResources().getColor(R.color.secondarybackground);
+		this.mTheme = findTheme();
+		setTheme(this.mTheme);
+		this.mUsingEnterKey = usingEnterKey();
+		mUseSubject = getPreferences().getBoolean("use_subject", true);
+		
+        Settings.initSettingsClassWithPreferences(getPreferences());
+		
+		final ActionBar ab = getActionBar();
+		if (ab!=null) {
+			ab.setDisplayHomeAsUpEnabled(true);
+		}
+	}
+
+	protected boolean usingEnterKey() {
+		return getPreferences().getBoolean("display_enter_key", false);
+	}
+
+	protected SharedPreferences getPreferences() {
+		return PreferenceManager
+			.getDefaultSharedPreferences(getApplicationContext());
+	}
+
+	public boolean useSubjectToIdentifyConference() {
+		return mUseSubject;
+	}
+
+	public void switchToConversation(Conversation conversation) {
+		switchToConversation(conversation, null, false);
+	}
+
+	public void switchToConversation(Conversation conversation, String text,
+			boolean newTask) {
+		switchToConversation(conversation,text,null,newTask);
+	}
+
+	public void highlightInMuc(Conversation conversation, String nick) {
+		switchToConversation(conversation,null,nick,false);
+	}
+
+	private void switchToConversation(Conversation conversation, String text, String nick, boolean newTask) {
+		Intent viewConversationIntent = new Intent(this,
+				ConversationActivity.class);
+		viewConversationIntent.setAction(Intent.ACTION_VIEW);
+		viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
+				conversation.getUuid());
+		if (text != null) {
+			viewConversationIntent.putExtra(ConversationActivity.TEXT, text);
+		}
+		if (nick != null) {
+			viewConversationIntent.putExtra(ConversationActivity.NICK, nick);
+		}
+		viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
+		if (newTask) {
+			viewConversationIntent.setFlags(viewConversationIntent.getFlags()
+					| Intent.FLAG_ACTIVITY_NEW_TASK
+					| Intent.FLAG_ACTIVITY_SINGLE_TOP);
+		} else {
+			viewConversationIntent.setFlags(viewConversationIntent.getFlags()
+					| Intent.FLAG_ACTIVITY_CLEAR_TOP);
+		}
+		startActivity(viewConversationIntent);
+		finish();
+	}
+
+	public void switchToContactDetails(Contact contact) {
+		Intent intent = new Intent(this, ContactDetailsActivity.class);
+		intent.setAction(ContactDetailsActivity.ACTION_VIEW_CONTACT);
+		intent.putExtra("account", contact.getAccount().getJid().toBareJid().toString());
+		intent.putExtra("contact", contact.getJid().toString());
+		startActivity(intent);
+	}
+
+	public void switchToAccount(Account account) {
+		Intent intent = new Intent(this, EditAccountActivity.class);
+		intent.putExtra("jid", account.getJid().toBareJid().toString());
+		startActivity(intent);
+	}
+
+	protected void inviteToConversation(Conversation conversation) {
+		Intent intent = new Intent(getApplicationContext(),
+				ChooseContactActivity.class);
+		List<String> contacts = new ArrayList<>();
+		if (conversation.getMode() == Conversation.MODE_MULTI) {
+			for (MucOptions.User user : conversation.getMucOptions().getUsers()) {
+				Jid jid = user.getJid();
+				if (jid != null) {
+					contacts.add(jid.toBareJid().toString());
+				}
+			}
+		} else {
+			contacts.add(conversation.getJid().toBareJid().toString());
+		}
+		intent.putExtra("filter_contacts", contacts.toArray(new String[contacts.size()]));
+		intent.putExtra("conversation", conversation.getUuid());
+		intent.putExtra("multiple", true);
+		startActivityForResult(intent, REQUEST_INVITE_TO_CONVERSATION);
+	}
+
+	protected void announcePgp(Account account, final Conversation conversation) {
+		xmppConnectionService.getPgpEngine().generateSignature(account,
+				"online", new UiCallback<Account>() {
+
+					@Override
+					public void userInputRequried(PendingIntent pi,
+							Account account) {
+						try {
+							startIntentSenderForResult(pi.getIntentSender(),
+									REQUEST_ANNOUNCE_PGP, null, 0, 0, 0);
+						} catch (final SendIntentException ignored) {
+						}
+					}
+
+					@Override
+					public void success(Account account) {
+						xmppConnectionService.databaseBackend
+							.updateAccount(account);
+						xmppConnectionService.sendPresence(account);
+						if (conversation != null) {
+							conversation
+								.setNextEncryption(Message.ENCRYPTION_PGP);
+							xmppConnectionService.databaseBackend
+								.updateConversation(conversation);
+						}
+					}
+
+					@Override
+					public void error(int error, Account account) {
+						displayErrorDialog(error);
+					}
+				});
+	}
+
+	protected void displayErrorDialog(final int errorCode) {
+		runOnUiThread(new Runnable() {
+
+			@Override
+			public void run() {
+				AlertDialog.Builder builder = new AlertDialog.Builder(
+						XmppActivity.this);
+				builder.setIconAttribute(android.R.attr.alertDialogIcon);
+				builder.setTitle(getString(R.string.error));
+				builder.setMessage(errorCode);
+				builder.setNeutralButton(R.string.accept, null);
+				builder.create().show();
+			}
+		});
+
+	}
+
+	protected void showAddToRosterDialog(final Conversation conversation) {
+		showAddToRosterDialog(conversation.getContact());
+	}
+
+	protected void showAddToRosterDialog(final Contact contact) {
+		AlertDialog.Builder builder = new AlertDialog.Builder(this);
+		builder.setTitle(contact.getJid().toString());
+		builder.setMessage(getString(R.string.not_in_roster));
+		builder.setNegativeButton(getString(R.string.cancel), null);
+		builder.setPositiveButton(getString(R.string.add_contact),
+				new DialogInterface.OnClickListener() {
+
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+						final Jid jid = contact.getJid();
+						Account account = contact.getAccount();
+						Contact contact = account.getRoster().getContact(jid);
+						xmppConnectionService.createContact(contact);
+					}
+				});
+		builder.create().show();
+	}
+
+	private void showAskForPresenceDialog(final Contact contact) {
+		AlertDialog.Builder builder = new AlertDialog.Builder(this);
+		builder.setTitle(contact.getJid().toString());
+		builder.setMessage(R.string.request_presence_updates);
+		builder.setNegativeButton(R.string.cancel, null);
+		builder.setPositiveButton(R.string.request_now,
+				new DialogInterface.OnClickListener() {
+
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+						if (xmppConnectionServiceBound) {
+							xmppConnectionService.sendPresencePacket(contact
+									.getAccount(), xmppConnectionService
+									.getPresenceGenerator()
+									.requestPresenceUpdatesFrom(contact));
+						}
+					}
+				});
+		builder.create().show();
+	}
+
+	private void warnMutalPresenceSubscription(final Conversation conversation,
+			final OnPresenceSelected listener) {
+		AlertDialog.Builder builder = new AlertDialog.Builder(this);
+		builder.setTitle(conversation.getContact().getJid().toString());
+		builder.setMessage(R.string.without_mutual_presence_updates);
+		builder.setNegativeButton(R.string.cancel, null);
+		builder.setPositiveButton(R.string.ignore, new OnClickListener() {
+
+			@Override
+			public void onClick(DialogInterface dialog, int which) {
+				conversation.setNextCounterpart(null);
+				if (listener != null) {
+					listener.onPresenceSelected();
+				}
+			}
+		});
+		builder.create().show();
+	}
+
+	protected void quickEdit(String previousValue, OnValueEdited callback) {
+		quickEdit(previousValue, callback, false);
+	}
+
+	protected void quickPasswordEdit(String previousValue,
+			OnValueEdited callback) {
+		quickEdit(previousValue, callback, true);
+	}
+
+	@SuppressLint("InflateParams")
+	private void quickEdit(final String previousValue,
+			final OnValueEdited callback, boolean password) {
+		AlertDialog.Builder builder = new AlertDialog.Builder(this);
+		View view = getLayoutInflater().inflate(R.layout.quickedit, null);
+		final EditText editor = (EditText) view.findViewById(R.id.editor);
+		OnClickListener mClickListener = new OnClickListener() {
+
+			@Override
+			public void onClick(DialogInterface dialog, int which) {
+				String value = editor.getText().toString();
+				if (!previousValue.equals(value) && value.trim().length() > 0) {
+					callback.onValueEdited(value);
+				}
+			}
+		};
+		if (password) {
+			editor.setInputType(InputType.TYPE_CLASS_TEXT
+					| InputType.TYPE_TEXT_VARIATION_PASSWORD);
+			editor.setHint(R.string.password);
+			builder.setPositiveButton(R.string.accept, mClickListener);
+		} else {
+			builder.setPositiveButton(R.string.edit, mClickListener);
+		}
+		editor.requestFocus();
+		editor.setText(previousValue);
+		builder.setView(view);
+		builder.setNegativeButton(R.string.cancel, null);
+		builder.create().show();
+	}
+
+	public void selectPresence(final Conversation conversation,
+			final OnPresenceSelected listener) {
+		final Contact contact = conversation.getContact();
+		if (conversation.hasValidOtrSession()) {
+			SessionID id = conversation.getOtrSession().getSessionID();
+			Jid jid;
+			try {
+				jid = Jid.fromString(id.getAccountID() + "/" + id.getUserID());
+			} catch (InvalidJidException e) {
+				jid = null;
+			}
+			conversation.setNextCounterpart(jid);
+			listener.onPresenceSelected();
+		} else 	if (!contact.showInRoster()) {
+			showAddToRosterDialog(conversation);
+		} else {
+			Presences presences = contact.getPresences();
+			if (presences.size() == 0) {
+				if (!contact.getOption(Contact.Options.TO)
+						&& !contact.getOption(Contact.Options.ASKING)
+						&& contact.getAccount().getStatus() == Account.State.ONLINE) {
+					showAskForPresenceDialog(contact);
+				} else if (!contact.getOption(Contact.Options.TO)
+						|| !contact.getOption(Contact.Options.FROM)) {
+					warnMutalPresenceSubscription(conversation, listener);
+				} else {
+					conversation.setNextCounterpart(null);
+					listener.onPresenceSelected();
+				}
+			} else if (presences.size() == 1) {
+				String presence = presences.asStringArray()[0];
+				try {
+					conversation.setNextCounterpart(Jid.fromParts(contact.getJid().getLocalpart(),contact.getJid().getDomainpart(),presence));
+				} catch (InvalidJidException e) {
+					conversation.setNextCounterpart(null);
+				}
+				listener.onPresenceSelected();
+			} else {
+				final StringBuilder presence = new StringBuilder();
+				AlertDialog.Builder builder = new AlertDialog.Builder(this);
+				builder.setTitle(getString(R.string.choose_presence));
+				final String[] presencesArray = presences.asStringArray();
+				int preselectedPresence = 0;
+				for (int i = 0; i < presencesArray.length; ++i) {
+					if (presencesArray[i].equals(contact.lastseen.presence)) {
+						preselectedPresence = i;
+						break;
+					}
+				}
+				presence.append(presencesArray[preselectedPresence]);
+				builder.setSingleChoiceItems(presencesArray,
+						preselectedPresence,
+						new DialogInterface.OnClickListener() {
+
+							@Override
+							public void onClick(DialogInterface dialog,
+									int which) {
+								presence.delete(0, presence.length());
+								presence.append(presencesArray[which]);
+							}
+						});
+				builder.setNegativeButton(R.string.cancel, null);
+				builder.setPositiveButton(R.string.ok, new OnClickListener() {
+
+					@Override
+					public void onClick(DialogInterface dialog, int which) {
+						try {
+							conversation.setNextCounterpart(Jid.fromParts(contact.getJid().getLocalpart(),contact.getJid().getDomainpart(),presence.toString()));
+						} catch (InvalidJidException e) {
+							conversation.setNextCounterpart(null);
+						}
+						listener.onPresenceSelected();
+					}
+				});
+				builder.create().show();
+			}
+		}
+	}
+
+	protected void onActivityResult(int requestCode, int resultCode,
+			final Intent data) {
+		super.onActivityResult(requestCode, resultCode, data);
+		if (requestCode == REQUEST_INVITE_TO_CONVERSATION
+				&& resultCode == RESULT_OK) {
+			try {
+				String conversationUuid = data.getStringExtra("conversation");
+				Conversation conversation = xmppConnectionService
+					.findConversationByUuid(conversationUuid);
+				List<Jid> jids = new ArrayList<Jid>();
+				if (data.getBooleanExtra("multiple", false)) {
+					String[] toAdd = data.getStringArrayExtra("contacts");
+					for (String item : toAdd) {
+						jids.add(Jid.fromString(item));
+					}
+				} else {
+					jids.add(Jid.fromString(data.getStringExtra("contact")));
+				}
+
+				if (conversation.getMode() == Conversation.MODE_MULTI) {
+					for (Jid jid : jids) {
+						xmppConnectionService.invite(conversation, jid);
+					}
+				} else {
+					jids.add(conversation.getJid().toBareJid());
+					xmppConnectionService.createAdhocConference(conversation.getAccount(), jids, adhocCallback);
+				}
+			} catch (final InvalidJidException ignored) {
+
+			}
+		}
+	}
+
+	private UiCallback<Conversation> adhocCallback = new UiCallback<Conversation>() {
+		@Override
+		public void success(final Conversation conversation) {
+			switchToConversation(conversation);
+			runOnUiThread(new Runnable() {
+				@Override
+				public void run() {
+					Toast.makeText(XmppActivity.this,R.string.conference_created,Toast.LENGTH_LONG).show();
+				}
+			});
+		}
+
+		@Override
+		public void error(final int errorCode, Conversation object) {
+			runOnUiThread(new Runnable() {
+				@Override
+				public void run() {
+					Toast.makeText(XmppActivity.this,errorCode,Toast.LENGTH_LONG).show();
+				}
+			});
+		}
+
+		@Override
+		public void userInputRequried(PendingIntent pi, Conversation object) {
+
+		}
+	};
+
+	public int getSecondaryTextColor() {
+		return this.mSecondaryTextColor;
+	}
+
+	public int getPrimaryTextColor() {
+		return this.mPrimaryTextColor;
+	}
+
+	public int getWarningTextColor() {
+		return this.mColorRed;
+	}
+
+	public int getPrimaryColor() {
+		return this.mPrimaryColor;
+	}
+
+	public int getOnlineColor() {
+		return this.mColorGreen;
+	}
+	
+	public int getSecondaryBackgroundColor() {
+		return this.mSecondaryBackgroundColor;
+	}
+
+	public int getPixel(int dp) {
+		DisplayMetrics metrics = getResources().getDisplayMetrics();
+		return ((int) (dp * metrics.density));
+	}
+
+	public boolean copyTextToClipboard(String text, int labelResId) {
+		ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
+		String label = getResources().getString(labelResId);
+		if (mClipBoardManager != null) {
+			ClipData mClipData = ClipData.newPlainText(label, text);
+			mClipBoardManager.setPrimaryClip(mClipData);
+			return true;
+		}
+		return false;
+	}
+
+	protected void registerNdefPushMessageCallback() {
+		NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
+		if (nfcAdapter != null && nfcAdapter.isEnabled()) {
+			nfcAdapter.setNdefPushMessageCallback(new NfcAdapter.CreateNdefMessageCallback() {
+				@Override
+				public NdefMessage createNdefMessage(NfcEvent nfcEvent) {
+					return new NdefMessage(new NdefRecord[]{
+						NdefRecord.createUri(getShareableUri()),
+							NdefRecord.createApplicationRecord("eu.siacs.conversations")
+					});
+				}
+			}, this);
+		}
+	}
+
+	protected void unregisterNdefPushMessageCallback() {
+		NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
+		if (nfcAdapter != null && nfcAdapter.isEnabled()) {
+			nfcAdapter.setNdefPushMessageCallback(null,this);
+		}
+	}
+
+	protected String getShareableUri() {
+		return null;
+	}
+
+	@Override
+	public void onResume() {
+		super.onResume();
+		if (this.getShareableUri()!=null) {
+			this.registerNdefPushMessageCallback();
+		}
+	}
+
+	protected int findTheme() {
+		if (getPreferences().getBoolean("use_larger_font", false)) {
+			return R.style.ConversationsTheme_LargerText;
+		} else {
+			return R.style.ConversationsTheme;
+		}
+	}
+
+	@Override
+	public void onPause() {
+		super.onPause();
+		this.unregisterNdefPushMessageCallback();
+	}
+
+	protected void showQrCode() {
+		String uri = getShareableUri();
+		if (uri!=null) {
+			Point size = new Point();
+			getWindowManager().getDefaultDisplay().getSize(size);
+			final int width = (size.x < size.y ? size.x : size.y);
+			Bitmap bitmap = createQrCodeBitmap(uri, width);
+			ImageView view = new ImageView(this);
+			view.setImageBitmap(bitmap);
+			AlertDialog.Builder builder = new AlertDialog.Builder(this);
+			builder.setView(view);
+			builder.create().show();
+		}
+	}
+
+	protected Bitmap createQrCodeBitmap(String input, int size) {
+		Log.d(Config.LOGTAG,"qr code requested size: "+size);
+		try {
+			final QRCodeWriter QR_CODE_WRITER = new QRCodeWriter();
+			final Hashtable<EncodeHintType, Object> hints = new Hashtable<>();
+			hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
+			final BitMatrix result = QR_CODE_WRITER.encode(input, BarcodeFormat.QR_CODE, size, size, hints);
+			final int width = result.getWidth();
+			final int height = result.getHeight();
+			final int[] pixels = new int[width * height];
+			for (int y = 0; y < height; y++) {
+				final int offset = y * width;
+				for (int x = 0; x < width; x++) {
+					pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.TRANSPARENT;
+				}
+			}
+			final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+			Log.d(Config.LOGTAG,"output size: "+width+"x"+height);
+			bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
+			return bitmap;
+		} catch (final WriterException e) {
+			return null;
+		}
+	}
+
+	public AvatarService avatarService() {
+		return xmppConnectionService.getAvatarService();
+	}
+
+	class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
+		private final WeakReference<ImageView> imageViewReference;
+		private Message message = null;
+
+		public BitmapWorkerTask(ImageView imageView) {
+			imageViewReference = new WeakReference<>(imageView);
+		}
+
+		@Override
+		protected Bitmap doInBackground(Message... params) {
+			message = params[0];
+			try {
+				return xmppConnectionService.getFileBackend().getThumbnail(
+						message, (int) (metrics.density * 288), false);
+			} catch (FileNotFoundException e) {
+				return null;
+			}
+		}
+
+		@Override
+		protected void onPostExecute(Bitmap bitmap) {
+			if (bitmap != null) {
+				final ImageView imageView = imageViewReference.get();
+				if (imageView != null) {
+					imageView.setImageBitmap(bitmap);
+					imageView.setBackgroundColor(0x00000000);
+				}
+			}
+		}
+	}
+
+	public void loadBitmap(Message message, ImageView imageView) {
+		Bitmap bm;
+		try {
+			bm = xmppConnectionService.getFileBackend().getThumbnail(message,
+					(int) (metrics.density * 288), true);
+		} catch (FileNotFoundException e) {
+			bm = null;
+		}
+		if (bm != null) {
+			imageView.setImageBitmap(bm);
+			imageView.setBackgroundColor(0x00000000);
+		} else {
+			if (cancelPotentialWork(message, imageView)) {
+				imageView.setBackgroundColor(0xff333333);
+				final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
+				final AsyncDrawable asyncDrawable = new AsyncDrawable(
+						getResources(), null, task);
+				imageView.setImageDrawable(asyncDrawable);
+				try {
+					task.execute(message);
+				} catch (final RejectedExecutionException ignored) {
+				}
+			}
+		}
+	}
+
+	public static boolean cancelPotentialWork(Message message,
+			ImageView imageView) {
+		final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
+
+		if (bitmapWorkerTask != null) {
+			final Message oldMessage = bitmapWorkerTask.message;
+			if (oldMessage == null || message != oldMessage) {
+				bitmapWorkerTask.cancel(true);
+			} else {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
+		if (imageView != null) {
+			final Drawable drawable = imageView.getDrawable();
+			if (drawable instanceof AsyncDrawable) {
+				final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
+				return asyncDrawable.getBitmapWorkerTask();
+			}
+		}
+		return null;
+	}
+
+	static class AsyncDrawable extends BitmapDrawable {
+		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
+
+		public AsyncDrawable(Resources res, Bitmap bitmap,
+				BitmapWorkerTask bitmapWorkerTask) {
+			super(res, bitmap);
+			bitmapWorkerTaskReference = new WeakReference<>(
+					bitmapWorkerTask);
+		}
+
+		public BitmapWorkerTask getBitmapWorkerTask() {
+			return bitmapWorkerTaskReference.get();
+		}
+	}
+}