mirror of
https://code.briarproject.org/briar/briar.git
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UI for introducing two contacts to each other
Show system notification for successful introductions
This commit is contained in:
Torsten Grote
@@ -0,0 +1,243 @@
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package org.briarproject.android.introduction;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.v7.app.AlertDialog;
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import android.support.v7.widget.LinearLayoutManager;
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import android.transition.ChangeBounds;
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import android.transition.Fade;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Toast;
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import org.briarproject.R;
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import org.briarproject.android.AndroidComponent;
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import org.briarproject.android.contact.ContactListAdapter;
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import org.briarproject.android.contact.ContactListItem;
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import org.briarproject.android.contact.ConversationItem;
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import org.briarproject.android.contact.ConversationMessageItem;
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import org.briarproject.android.fragment.BaseFragment;
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import org.briarproject.android.util.BriarRecyclerView;
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import org.briarproject.api.contact.Contact;
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import org.briarproject.api.contact.ContactId;
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import org.briarproject.api.contact.ContactManager;
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import org.briarproject.api.db.DbException;
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import org.briarproject.api.identity.AuthorId;
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import org.briarproject.api.identity.IdentityManager;
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import org.briarproject.api.identity.LocalAuthor;
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import org.briarproject.api.introduction.IntroductionManager;
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import org.briarproject.api.introduction.IntroductionMessage;
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import org.briarproject.api.messaging.MessagingManager;
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import org.briarproject.api.messaging.PrivateMessageHeader;
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import org.briarproject.api.plugins.ConnectionRegistry;
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import org.briarproject.api.sync.GroupId;
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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 java.util.logging.Logger;
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import javax.inject.Inject;
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import static java.util.logging.Level.INFO;
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import static java.util.logging.Level.WARNING;
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public class ContactChooserFragment extends BaseFragment {
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public final static String TAG = "ContactChooserFragment";
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private IntroductionActivity introductionActivity;
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private BriarRecyclerView list;
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private ContactListAdapter adapter;
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private int contactId;
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private static final Logger LOG =
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Logger.getLogger(ContactChooserFragment.class.getName());
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// Fields that are accessed from background threads must be volatile
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protected volatile Contact c1;
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@Inject
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protected volatile ContactManager contactManager;
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@Inject
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protected volatile IdentityManager identityManager;
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@Inject
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protected volatile MessagingManager messagingManager;
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@Inject
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protected volatile IntroductionManager introductionManager;
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@Inject
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protected volatile ConnectionRegistry connectionRegistry;
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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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introductionActivity = (IntroductionActivity) context;
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} catch (ClassCastException e) {
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throw new java.lang.InstantiationError(
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"This fragment is only meant to be attached to the IntroductionActivity");
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}
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}
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@Override
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public void injectActivity(AndroidComponent component) {
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component.inject(this);
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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View contentView =
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inflater.inflate(R.layout.introduction_contact_chooser,
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container, false);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
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setExitTransition(new Fade());
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}
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ContactListAdapter.OnItemClickListener onItemClickListener =
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new ContactListAdapter.OnItemClickListener() {
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@Override
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public void onItemClick(View view, ContactListItem item) {
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if (c1 == null) {
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Toast.makeText(getActivity(),
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R.string.introduction_error,
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Toast.LENGTH_SHORT).show();
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return;
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}
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Contact c2 = item.getContact();
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if (!c1.getLocalAuthorId()
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.equals(c2.getLocalAuthorId())) {
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warnAboutDifferentIdentities(view, c1, c2);
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} else {
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introductionActivity.showMessageScreen(view, c1, c2);
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}
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}
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};
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adapter =
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new ContactListAdapter(getActivity(), onItemClickListener, true);
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list = (BriarRecyclerView) contentView.findViewById(R.id.contactList);
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list.setLayoutManager(new LinearLayoutManager(getActivity()));
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list.setAdapter(adapter);
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list.setEmptyText(getString(R.string.no_contacts));
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contactId = introductionActivity.getContactId();
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return contentView;
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}
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@Override
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public void onResume() {
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super.onResume();
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loadContacts();
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}
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@Override
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public String getUniqueTag() {
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return TAG;
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}
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private void loadContacts() {
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introductionActivity.runOnDbThread(new Runnable() {
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public void run() {
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try {
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List<ContactListItem> contacts =
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new ArrayList<ContactListItem>();
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AuthorId localAuthorId= null;
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for (Contact c : contactManager.getActiveContacts()) {
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if (c.getId().getInt() == contactId) {
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c1 = c;
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localAuthorId = c1.getLocalAuthorId();
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} else {
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ContactId id = c.getId();
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GroupId groupId =
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messagingManager.getConversationId(id);
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Collection<ConversationItem> messages =
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getMessages(id);
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boolean connected =
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connectionRegistry.isConnected(c.getId());
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LocalAuthor localAuthor = identityManager
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.getLocalAuthor(c.getLocalAuthorId());
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contacts.add(new ContactListItem(c, localAuthor,
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connected, groupId, messages));
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}
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}
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displayContacts(localAuthorId, contacts);
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} catch (DbException e) {
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if (LOG.isLoggable(WARNING))
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LOG.log(WARNING, e.toString(), e);
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}
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}
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});
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}
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private void displayContacts(final AuthorId localAuthorId,
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final List<ContactListItem> contacts) {
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introductionActivity.runOnUiThread(new Runnable() {
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public void run() {
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adapter.setLocalAuthor(localAuthorId);
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adapter.clear();
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if (contacts.size() == 0) list.showData();
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else adapter.addAll(contacts);
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}
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});
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}
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private void warnAboutDifferentIdentities(final View view, final Contact c1,
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final Contact c2) {
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DialogInterface.OnClickListener okListener =
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new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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introductionActivity.showMessageScreen(view, c1, c2);
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}
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};
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AlertDialog.Builder builder = new AlertDialog.Builder(getActivity(),
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R.style.BriarDialogTheme);
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builder.setTitle(getString(
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R.string.introduction_warn_different_identities_title));
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builder.setMessage(getString(
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R.string.introduction_warn_different_identities_text));
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builder.setPositiveButton(R.string.dialog_button_introduce, okListener);
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builder.setNegativeButton(android.R.string.cancel, null);
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builder.show();
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}
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/** This needs to be called from the DbThread */
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private Collection<ConversationItem> getMessages(ContactId id)
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throws DbException {
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long now = System.currentTimeMillis();
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Collection<ConversationItem> messages =
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new ArrayList<ConversationItem>();
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Collection<PrivateMessageHeader> headers =
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messagingManager.getMessageHeaders(id);
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for (PrivateMessageHeader h : headers) {
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messages.add(new ConversationMessageItem(h));
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}
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long duration = System.currentTimeMillis() - now;
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if (LOG.isLoggable(INFO))
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LOG.info("Loading message headers took " + duration + " ms");
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Collection<IntroductionMessage> introductions =
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introductionManager
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.getIntroductionMessages(id);
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for (IntroductionMessage m : introductions) {
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messages.add(ConversationItem.from(m));
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}
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duration = System.currentTimeMillis() - now;
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if (LOG.isLoggable(INFO))
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LOG.info("Loading introduction messages took " + duration + " ms");
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return messages;
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}
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}
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