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path: root/src/de/gultsch/chat/ui/NewConversationActivity.java
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package de.gultsch.chat.ui;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import de.gultsch.chat.R;
import de.gultsch.chat.entities.Account;
import de.gultsch.chat.entities.Contact;
import de.gultsch.chat.entities.Conversation;
import de.gultsch.chat.utils.UIHelper;
import de.gultsch.chat.utils.Validator;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.ImageView;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.CursorLoader;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.Loader;
import android.content.Loader.OnLoadCompleteListener;
import android.database.Cursor;

public class NewConversationActivity extends XmppActivity {

	protected List<Contact> phoneContacts = new ArrayList<Contact>();
	protected List<Contact> rosterContacts = new ArrayList<Contact>();
	protected List<Contact> aggregatedContacts = new ArrayList<Contact>();
	protected ListView contactsView;
	protected ArrayAdapter<Contact> contactsAdapter;

	protected EditText search;
	protected String searchString = "";
	private TextView contactsHeader;
	private List<Account> accounts;

	protected void updateAggregatedContacts() {

		aggregatedContacts.clear();
		for (Contact contact : phoneContacts) {
			if (contact.match(searchString))
				aggregatedContacts.add(contact);
		}
		for (Contact contact : rosterContacts) {
			if (contact.match(searchString))
				aggregatedContacts.add(contact);
		}

		Collections.sort(aggregatedContacts, new Comparator<Contact>() {

			@SuppressLint("DefaultLocale")
			@Override
			public int compare(Contact lhs, Contact rhs) {
				return lhs.getDisplayName().toLowerCase().compareTo(rhs.getDisplayName().toLowerCase());
			}
		});

		if (aggregatedContacts.size() == 0) {

			if (Validator.isValidJid(searchString)) {
				String name = searchString.split("@")[0];
				Contact newContact = new Contact(null,name, searchString,null);
				aggregatedContacts.add(newContact);
				contactsHeader.setText("Create new contact");
			} else {
				contactsHeader.setText("Contacts");
			}
		} else {
			contactsHeader.setText("Contacts");
		}

		contactsAdapter.notifyDataSetChanged();
		contactsView.setScrollX(0);
	}

	static final String[] PROJECTION = new String[] {
			ContactsContract.Data.CONTACT_ID,
			ContactsContract.Data.DISPLAY_NAME,
			ContactsContract.Data.PHOTO_THUMBNAIL_URI,
			ContactsContract.CommonDataKinds.Im.DATA };

	// This is the select criteria
	static final String SELECTION = "(" + ContactsContract.Data.MIMETYPE
			+ "=\"" + ContactsContract.CommonDataKinds.Im.CONTENT_ITEM_TYPE
			+ "\") AND (" + ContactsContract.CommonDataKinds.Im.PROTOCOL
			+ "=\"" + ContactsContract.CommonDataKinds.Im.PROTOCOL_JABBER
			+ "\")";

	@Override
	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_new_conversation);

		contactsHeader = (TextView) findViewById(R.id.contacts_header);

		search = (EditText) findViewById(R.id.new_conversation_search);
		search.addTextChangedListener(new TextWatcher() {

			@Override
			public void onTextChanged(CharSequence s, int start, int before,
					int count) {
				searchString = search.getText().toString();
				updateAggregatedContacts();
			}

			@Override
			public void afterTextChanged(Editable s) {
				// TODO Auto-generated method stub

			}

			@Override
			public void beforeTextChanged(CharSequence s, int start, int count,
					int after) {
				// TODO Auto-generated method stub

			}
		});

		contactsView = (ListView) findViewById(R.id.contactList);
		contactsAdapter = new ArrayAdapter<Contact>(getApplicationContext(),
				R.layout.contact, aggregatedContacts) {
			@Override
			public View getView(int position, View view, ViewGroup parent) {
				LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
				if (view == null) {
					view = (View) inflater.inflate(R.layout.contact, null);
				}

				((TextView) view.findViewById(R.id.contact_display_name))
						.setText(getItem(position).getDisplayName());
				((TextView) view.findViewById(R.id.contact_jid))
						.setText(getItem(position).getJid());
				String profilePhoto = getItem(position).getProfilePhoto();
				ImageView imageView = (ImageView) view.findViewById(R.id.contact_photo);
				if (profilePhoto!=null) {
					imageView.setImageURI(Uri.parse(profilePhoto));
				} else {
					imageView.setImageBitmap(UIHelper.getUnknownContactPicture(getItem(position).getDisplayName(),90));
				}
				return view;
			}
		};
		contactsView.setAdapter(contactsAdapter);
		final Activity activity = this;
		contactsView.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, final View view, int pos,
					long arg3) {
				final Contact clickedContact = aggregatedContacts.get(pos);
				Log.d("gultsch",
						"clicked on " + clickedContact.getDisplayName());
				
				final List<Account> accounts = xmppConnectionService.getAccounts();
				if (accounts.size() == 1) {
					startConversation(clickedContact, accounts.get(0));
				} else {
					String[] accountList = new String[accounts.size()];
					for(int i = 0; i < accounts.size(); ++i) {
						accountList[i] = accounts.get(i).getJid();
					}
	
					AlertDialog.Builder builder = new AlertDialog.Builder(activity);
					builder.setTitle("Choose account");
					builder.setItems(accountList,new OnClickListener() {
						
						@Override
						public void onClick(DialogInterface dialog, int which) {
							Account account = accounts.get(which);
							startConversation(clickedContact, account);
						}
					});
					builder.create().show();
				}
			}
		});
	}
	
	public void startConversation(Contact contact, Account account) {
		Conversation conversation = xmppConnectionService
				.findOrCreateConversation(account, contact);

		Intent viewConversationIntent = new Intent(this,ConversationActivity.class);
		viewConversationIntent.setAction(Intent.ACTION_VIEW);
		viewConversationIntent.putExtra(
				ConversationActivity.CONVERSATION,
				conversation.getUuid());
		viewConversationIntent
				.setType(ConversationActivity.VIEW_CONVERSATION);
		viewConversationIntent.setFlags(viewConversationIntent
				.getFlags() | Intent.FLAG_ACTIVITY_CLEAR_TOP);
		startActivity(viewConversationIntent);
	}

	@Override
	public void onStart() {
		super.onStart();

		CursorLoader mCursorLoader = new CursorLoader(this,
				ContactsContract.Data.CONTENT_URI, PROJECTION, SELECTION, null,
				null);
		mCursorLoader.registerListener(0, new OnLoadCompleteListener<Cursor>() {

			@Override
			public void onLoadComplete(Loader<Cursor> arg0, Cursor cursor) {
				phoneContacts.clear();
				while (cursor.moveToNext()) {
					String profilePhoto = cursor.getString(cursor
							.getColumnIndex(ContactsContract.Data.PHOTO_THUMBNAIL_URI));
					/*if (profilePhoto == null) {
						profilePhoto = DEFAULT_PROFILE_PHOTO;
					}*/
					Contact contact = new Contact(null,
							cursor.getString(cursor
									.getColumnIndex(ContactsContract.Data.DISPLAY_NAME)),
							cursor.getString(cursor
									.getColumnIndex(ContactsContract.CommonDataKinds.Im.DATA)),
							profilePhoto);
					phoneContacts.add(contact);
				}
				updateAggregatedContacts();
			}
		});
		mCursorLoader.startLoading();

	}

	@Override
	void onBackendConnected() {
		if (xmppConnectionService.getConversationCount() == 0) {
			getActionBar().setDisplayHomeAsUpEnabled(false);
			getActionBar().setHomeButtonEnabled(false);
		}
		this.accounts = xmppConnectionService.getAccounts();
		this.rosterContacts.clear();
		for(Account account : this.accounts) {
			xmppConnectionService.getRoster(account, new OnRosterFetchedListener() {
				
				@Override
				public void onRosterFetched(List<Contact> roster) {
					rosterContacts.addAll(roster);
					runOnUiThread(new Runnable() {
						
						@Override
						public void run() {
							updateAggregatedContacts();
						}
					});
	
				}
			});
		}
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.newconversation, menu);
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(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;
		default:
			break;
		}
		return super.onOptionsItemSelected(item);
	}

}