297 lines
12 KiB
Java
297 lines
12 KiB
Java
package eu.siacs.conversations.ui;
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import android.app.Activity;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.os.Bundle;
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import android.text.Editable;
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import android.text.TextUtils;
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import android.text.TextWatcher;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.Button;
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import androidx.annotation.NonNull;
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import androidx.appcompat.app.AlertDialog;
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import androidx.databinding.DataBindingUtil;
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import androidx.fragment.app.DialogFragment;
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import java.security.SecureRandom;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import eu.siacs.conversations.R;
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import eu.siacs.conversations.databinding.CreatePublicChannelDialogBinding;
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import eu.siacs.conversations.entities.Account;
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import eu.siacs.conversations.services.XmppConnectionService;
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import eu.siacs.conversations.ui.adapter.KnownHostsAdapter;
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import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
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import eu.siacs.conversations.ui.util.DelayedHintHelper;
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import eu.siacs.conversations.utils.CryptoHelper;
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import eu.siacs.conversations.xmpp.Jid;
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import eu.siacs.conversations.xmpp.XmppConnection;
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public class CreatePublicChannelDialog extends DialogFragment implements OnBackendConnected {
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private static final char[] FORBIDDEN = new char[]{'\u0022','&','\'','/',':','<','>','@'};
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private static final String ACCOUNTS_LIST_KEY = "activated_accounts_list";
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private CreatePublicChannelDialogListener mListener;
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private KnownHostsAdapter knownHostsAdapter;
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private boolean jidWasModified = false;
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private boolean nameEntered = false;
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private boolean skipTetxWatcher = false;
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private static final SecureRandom RANDOM = new SecureRandom();
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public static CreatePublicChannelDialog newInstance(List<String> accounts) {
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CreatePublicChannelDialog dialog = new CreatePublicChannelDialog();
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Bundle bundle = new Bundle();
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bundle.putStringArrayList(ACCOUNTS_LIST_KEY, (ArrayList<String>) accounts);
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dialog.setArguments(bundle);
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return dialog;
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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setRetainInstance(true);
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}
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@NonNull
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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jidWasModified = savedInstanceState != null && savedInstanceState.getBoolean("jid_was_modified_false", false);
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nameEntered = savedInstanceState != null && savedInstanceState.getBoolean("name_entered", false);
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final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
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builder.setTitle(R.string.create_public_channel);
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final CreatePublicChannelDialogBinding binding = DataBindingUtil.inflate(getActivity().getLayoutInflater(), R.layout.create_public_channel_dialog, null, false);
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binding.account.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
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updateJidSuggestion(binding);
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) {
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}
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});
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binding.jid.addTextChangedListener(new TextWatcher() {
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@Override
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {
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}
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@Override
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public void onTextChanged(CharSequence s, int start, int before, int count) {
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}
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@Override
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public void afterTextChanged(Editable s) {
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if (skipTetxWatcher) {
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return;
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}
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if (jidWasModified) {
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jidWasModified = !TextUtils.isEmpty(s);
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} else {
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jidWasModified = !s.toString().equals(getJidSuggestion(binding));
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}
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}
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});
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updateInputs(binding,false);
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ArrayList<String> mActivatedAccounts = getArguments().getStringArrayList(ACCOUNTS_LIST_KEY);
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StartConversationActivity.populateAccountSpinner(getActivity(), mActivatedAccounts, binding.account);
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builder.setView(binding.getRoot());
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builder.setPositiveButton(nameEntered ? R.string.create : R.string.next, null);
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builder.setNegativeButton(nameEntered ? R.string.back : R.string.cancel, null);
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DelayedHintHelper.setHint(R.string.channel_bare_jid_example, binding.jid);
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this.knownHostsAdapter = new KnownHostsAdapter(getActivity(), R.layout.simple_list_item);
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binding.jid.setAdapter(knownHostsAdapter);
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final AlertDialog dialog = builder.create();
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binding.groupChatName.setOnEditorActionListener((v, actionId, event) -> {
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submit(dialog, binding);
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return true;
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});
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dialog.setOnShowListener(dialogInterface -> {
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dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener(v -> goBack(dialog, binding));
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dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(v -> submit(dialog, binding));
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});
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return dialog;
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}
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private void updateJidSuggestion(CreatePublicChannelDialogBinding binding) {
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if (jidWasModified) {
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return;
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}
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String jid = getJidSuggestion(binding);
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skipTetxWatcher = true;
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binding.jid.setText(jid);
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skipTetxWatcher = false;
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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outState.putBoolean("jid_was_modified",jidWasModified);
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outState.putBoolean("name_entered", nameEntered);
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super.onSaveInstanceState(outState);
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}
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private static String getJidSuggestion(CreatePublicChannelDialogBinding binding) {
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final Account account = StartConversationActivity.getSelectedAccount(binding.getRoot().getContext(), binding.account);
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final XmppConnection connection = account == null ? null : account.getXmppConnection();
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if (connection == null) {
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return "";
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}
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final Editable nameText = binding.groupChatName.getText();
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final String name = nameText == null ? "" : nameText.toString().trim();
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final String domain = connection.getMucServer();
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if (domain == null) {
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return "";
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}
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final String localpart = clean(name);
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if (TextUtils.isEmpty(localpart)) {
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return "";
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} else {
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try {
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return Jid.of(localpart, domain, null).toEscapedString();
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} catch (IllegalArgumentException e) {
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return Jid.of(CryptoHelper.pronounceable(RANDOM), domain, null).toEscapedString();
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}
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}
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}
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private static String clean(String name) {
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for(char c : FORBIDDEN) {
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name = name.replace(String.valueOf(c),"");
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}
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return name.replaceAll("\\s+","-");
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}
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private void goBack(AlertDialog dialog, CreatePublicChannelDialogBinding binding) {
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if (nameEntered) {
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nameEntered = false;
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updateInputs(binding, true);
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updateButtons(dialog);
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} else {
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dialog.dismiss();
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}
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}
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private void submit(AlertDialog dialog, CreatePublicChannelDialogBinding binding) {
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final Context context = binding.getRoot().getContext();
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final Editable nameText = binding.groupChatName.getText();
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final String name = nameText == null ? "" : nameText.toString().trim();
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final Editable addressText = binding.jid.getText();
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final String address = addressText == null ? "" : addressText.toString().trim();
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if (nameEntered) {
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binding.nameLayout.setError(null);
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if (address.isEmpty()) {
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binding.xmppAddressLayout.setError(context.getText(R.string.please_enter_xmpp_address));
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} else {
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final Jid jid;
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try {
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jid = Jid.ofEscaped(address);
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} catch (IllegalArgumentException e) {
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binding.xmppAddressLayout.setError(context.getText(R.string.invalid_jid));
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return;
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}
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final Account account = StartConversationActivity.getSelectedAccount(context, binding.account);
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if (account == null) {
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return;
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}
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final XmppConnectionService service = ((XmppActivity )context).xmppConnectionService;
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if (service != null && service.findFirstMuc(jid) != null) {
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binding.xmppAddressLayout.setError(context.getString(R.string.channel_already_exists));
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return;
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}
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mListener.onCreatePublicChannel(account, name, jid);
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dialog.dismiss();
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}
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} else {
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binding.xmppAddressLayout.setError(null);
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if (name.isEmpty()) {
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binding.nameLayout.setError(context.getText(R.string.please_enter_name));
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} else if (StartConversationActivity.isValidJid(name)){
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binding.nameLayout.setError(context.getText(R.string.this_is_an_xmpp_address));
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} else {
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binding.nameLayout.setError(null);
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nameEntered = true;
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updateInputs(binding, true);
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updateButtons(dialog);
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binding.jid.setText("");
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binding.jid.append(getJidSuggestion(binding));
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}
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}
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}
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private void updateInputs(CreatePublicChannelDialogBinding binding, boolean requestFocus) {
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binding.xmppAddressLayout.setVisibility(nameEntered ? View.VISIBLE : View.GONE);
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binding.nameLayout.setVisibility(nameEntered ? View.GONE : View.VISIBLE);
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if (!requestFocus) {
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return;
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}
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if (nameEntered) {
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binding.xmppAddressLayout.requestFocus();
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} else {
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binding.nameLayout.requestFocus();
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}
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}
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private void updateButtons(AlertDialog dialog) {
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final Button positive = dialog.getButton(DialogInterface.BUTTON_POSITIVE);
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final Button negative = dialog.getButton(DialogInterface.BUTTON_NEGATIVE);
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positive.setText(nameEntered ? R.string.create : R.string.next);
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negative.setText(nameEntered ? R.string.back : R.string.cancel);
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}
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@Override
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public void onBackendConnected() {
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refreshKnownHosts();
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}
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private void refreshKnownHosts() {
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Activity activity = getActivity();
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if (activity instanceof XmppActivity) {
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Collection<String> hosts = ((XmppActivity) activity).xmppConnectionService.getKnownConferenceHosts();
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this.knownHostsAdapter.refresh(hosts);
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}
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}
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public interface CreatePublicChannelDialogListener {
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void onCreatePublicChannel(Account account, String name, Jid address);
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}
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@Override
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public void onAttach(Context context) {
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super.onAttach(context);
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try {
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mListener = (CreatePublicChannelDialogListener) context;
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} catch (ClassCastException e) {
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throw new ClassCastException(context.toString()
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+ " must implement CreateConferenceDialogListener");
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}
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}
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@Override
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public void onStart() {
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super.onStart();
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final Activity activity = getActivity();
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if (activity instanceof XmppActivity && ((XmppActivity) activity).xmppConnectionService != null) {
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refreshKnownHosts();
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}
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}
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@Override
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public void onDestroyView() {
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Dialog dialog = getDialog();
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if (dialog != null && getRetainInstance()) {
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dialog.setDismissMessage(null);
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}
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super.onDestroyView();
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}
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}
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