conversations-classic/src/main/java/eu/siacs/conversations/ui/CreatePublicChannelDialog.java

298 lines
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Java
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package eu.siacs.conversations.ui;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.databinding.DataBindingUtil;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.DialogFragment;
import android.support.v7.app.AlertDialog;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.Spinner;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import eu.siacs.conversations.R;
import eu.siacs.conversations.databinding.CreateConferenceDialogBinding;
import eu.siacs.conversations.databinding.CreatePublicChannelDialogBinding;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.ui.adapter.KnownHostsAdapter;
import eu.siacs.conversations.ui.interfaces.OnBackendConnected;
import eu.siacs.conversations.ui.util.DelayedHintHelper;
import eu.siacs.conversations.utils.CryptoHelper;
import eu.siacs.conversations.xmpp.XmppConnection;
import rocks.xmpp.addr.Jid;
public class CreatePublicChannelDialog extends DialogFragment implements OnBackendConnected {
private static final char[] FORBIDDEN = new char[]{'\u0022','&','\'','/',':','<','>','@'};
private static final String ACCOUNTS_LIST_KEY = "activated_accounts_list";
private CreatePublicChannelDialogListener mListener;
private KnownHostsAdapter knownHostsAdapter;
private boolean jidWasModified = false;
private boolean nameEntered = false;
private boolean skipTetxWatcher = false;
private static final SecureRandom RANDOM = new SecureRandom();
public static CreatePublicChannelDialog newInstance(List<String> accounts) {
CreatePublicChannelDialog dialog = new CreatePublicChannelDialog();
Bundle bundle = new Bundle();
bundle.putStringArrayList(ACCOUNTS_LIST_KEY, (ArrayList<String>) accounts);
dialog.setArguments(bundle);
return dialog;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setRetainInstance(true);
}
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
jidWasModified = savedInstanceState != null && savedInstanceState.getBoolean("jid_was_modified_false", false);
nameEntered = savedInstanceState != null && savedInstanceState.getBoolean("name_entered", false);
final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle(R.string.create_public_channel);
final CreatePublicChannelDialogBinding binding = DataBindingUtil.inflate(getActivity().getLayoutInflater(), R.layout.create_public_channel_dialog, null, false);
binding.account.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
updateJidSuggestion(binding);
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
binding.jid.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
@Override
public void afterTextChanged(Editable s) {
if (skipTetxWatcher) {
return;
}
if (jidWasModified) {
jidWasModified = !TextUtils.isEmpty(s);
} else {
jidWasModified = !s.toString().equals(getJidSuggestion(binding));
}
}
});
updateInputs(binding,false);
ArrayList<String> mActivatedAccounts = getArguments().getStringArrayList(ACCOUNTS_LIST_KEY);
StartConversationActivity.populateAccountSpinner(getActivity(), mActivatedAccounts, binding.account);
builder.setView(binding.getRoot());
builder.setPositiveButton(nameEntered ? R.string.create : R.string.next, null);
builder.setNegativeButton(nameEntered ? R.string.back : R.string.cancel, null);
DelayedHintHelper.setHint(R.string.channel_bare_jid_example, binding.jid);
this.knownHostsAdapter = new KnownHostsAdapter(getActivity(), R.layout.simple_list_item);
binding.jid.setAdapter(knownHostsAdapter);
final AlertDialog dialog = builder.create();
binding.groupChatName.setOnEditorActionListener((v, actionId, event) -> {
submit(dialog, binding);
return true;
});
dialog.setOnShowListener(dialogInterface -> {
dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener(v -> goBack(dialog, binding));
dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(v -> submit(dialog, binding));
});
return dialog;
}
private void updateJidSuggestion(CreatePublicChannelDialogBinding binding) {
if (jidWasModified) {
return;
}
String jid = getJidSuggestion(binding);
skipTetxWatcher = true;
binding.jid.setText(jid);
skipTetxWatcher = false;
}
@Override
public void onSaveInstanceState(Bundle outState) {
outState.putBoolean("jid_was_modified",jidWasModified);
outState.putBoolean("name_entered", nameEntered);
super.onSaveInstanceState(outState);
}
private static String getJidSuggestion(CreatePublicChannelDialogBinding binding) {
final Account account = StartConversationActivity.getSelectedAccount(binding.getRoot().getContext(), binding.account);
final XmppConnection connection = account == null ? null : account.getXmppConnection();
if (connection == null) {
return "";
}
final Editable nameText = binding.groupChatName.getText();
final String name = nameText == null ? "" : nameText.toString().trim();
final String domain = connection.getMucServer();
if (domain == null) {
return "";
}
final String localpart = clean(name);
if (TextUtils.isEmpty(localpart)) {
return "";
} else {
try {
return Jid.of(localpart, domain, null).toEscapedString();
} catch (IllegalArgumentException e) {
return Jid.of(CryptoHelper.pronounceable(RANDOM), domain, null).toEscapedString();
}
}
}
private static String clean(String name) {
for(char c : FORBIDDEN) {
name = name.replace(String.valueOf(c),"");
}
return name.replaceAll("\\s+","-");
}
private void goBack(AlertDialog dialog, CreatePublicChannelDialogBinding binding) {
if (nameEntered) {
nameEntered = false;
updateInputs(binding, true);
updateButtons(dialog);
} else {
dialog.dismiss();
}
}
private void submit(AlertDialog dialog, CreatePublicChannelDialogBinding binding) {
final Context context = binding.getRoot().getContext();
final Editable nameText = binding.groupChatName.getText();
final String name = nameText == null ? "" : nameText.toString().trim();
final Editable addressText = binding.jid.getText();
final String address = addressText == null ? "" : addressText.toString().trim();
if (nameEntered) {
binding.nameLayout.setError(null);
if (address.isEmpty()) {
binding.xmppAddressLayout.setError(context.getText(R.string.please_enter_xmpp_address));
} else {
final Jid jid;
try {
jid = Jid.ofEscaped(address);
} catch (IllegalArgumentException e) {
binding.xmppAddressLayout.setError(context.getText(R.string.invalid_jid));
return;
}
final Account account = StartConversationActivity.getSelectedAccount(context, binding.account);
if (account == null) {
return;
}
final XmppConnectionService service = ((XmppActivity )context).xmppConnectionService;
if (service != null && service.findFirstMuc(jid) != null) {
binding.xmppAddressLayout.setError(context.getString(R.string.channel_already_exists));
return;
}
mListener.onCreatePublicChannel(account, name, jid);
dialog.dismiss();
}
} else {
binding.xmppAddressLayout.setError(null);
if (name.isEmpty()) {
binding.nameLayout.setError(context.getText(R.string.please_enter_name));
} else if (StartConversationActivity.isValidJid(name)){
binding.nameLayout.setError(context.getText(R.string.this_is_an_xmpp_address));
} else {
binding.nameLayout.setError(null);
nameEntered = true;
updateInputs(binding, true);
updateButtons(dialog);
binding.jid.setText("");
binding.jid.append(getJidSuggestion(binding));
}
}
}
private void updateInputs(CreatePublicChannelDialogBinding binding, boolean requestFocus) {
binding.xmppAddressLayout.setVisibility(nameEntered ? View.VISIBLE : View.GONE);
binding.nameLayout.setVisibility(nameEntered ? View.GONE : View.VISIBLE);
if (!requestFocus) {
return;
}
if (nameEntered) {
binding.xmppAddressLayout.requestFocus();
} else {
binding.nameLayout.requestFocus();
}
}
private void updateButtons(AlertDialog dialog) {
final Button positive = dialog.getButton(DialogInterface.BUTTON_POSITIVE);
final Button negative = dialog.getButton(DialogInterface.BUTTON_NEGATIVE);
positive.setText(nameEntered ? R.string.create : R.string.next);
negative.setText(nameEntered ? R.string.back : R.string.cancel);
}
@Override
public void onBackendConnected() {
refreshKnownHosts();
}
private void refreshKnownHosts() {
Activity activity = getActivity();
if (activity instanceof XmppActivity) {
Collection<String> hosts = ((XmppActivity) activity).xmppConnectionService.getKnownConferenceHosts();
this.knownHostsAdapter.refresh(hosts);
}
}
public interface CreatePublicChannelDialogListener {
void onCreatePublicChannel(Account account, String name, Jid address);
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
try {
mListener = (CreatePublicChannelDialogListener) context;
} catch (ClassCastException e) {
throw new ClassCastException(context.toString()
+ " must implement CreateConferenceDialogListener");
}
}
@Override
public void onStart() {
super.onStart();
final Activity activity = getActivity();
if (activity instanceof XmppActivity && ((XmppActivity) activity).xmppConnectionService != null) {
refreshKnownHosts();
}
}
@Override
public void onDestroyView() {
Dialog dialog = getDialog();
if (dialog != null && getRetainInstance()) {
dialog.setDismissMessage(null);
}
super.onDestroyView();
}
}