src/com/savoirfairelinux/sflphone/fragments/CallElementListFragment.java

/*
 *  Copyright (C) 2004-2012 Savoir-Faire Linux Inc.
 *
 *  Author: Adrien Beraud <adrien.beraud@gmail.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  Additional permission under GNU GPL version 3 section 7:
 *
 *  If you modify this program, or any covered work, by linking or
 *  combining it with the OpenSSL project's OpenSSL library (or a
 *  modified version of that library), containing parts covered by the
 *  terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc.
 *  grants you additional permission to convey the resulting work.
 *  Corresponding Source for a non-source form of such a combination
 *  shall include the source code for the parts of OpenSSL used as well
 *  as that of the covered work.
 */
package com.savoirfairelinux.sflphone.fragments;

import java.util.ArrayList;
import java.util.Random;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ListFragment;
import android.app.LoaderManager;
import android.content.Context;
import android.content.CursorLoader;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.RemoteException;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.CommonDataKinds.SipAddress;
import android.provider.ContactsContract.Contacts;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.Toast;

import com.savoirfairelinux.sflphone.R;
import com.savoirfairelinux.sflphone.account.AccountSelectionSpinner;
import com.savoirfairelinux.sflphone.adapters.CallElementAdapter;
import com.savoirfairelinux.sflphone.client.CallActivity;
import com.savoirfairelinux.sflphone.client.SFLPhoneHomeActivity;
import com.savoirfairelinux.sflphone.client.SFLphoneApplication;
import com.savoirfairelinux.sflphone.client.receiver.AccountListReceiver;
import com.savoirfairelinux.sflphone.client.receiver.CallListReceiver;
import com.savoirfairelinux.sflphone.model.SipCall;
import com.savoirfairelinux.sflphone.service.ISipService;

/**
 * Main list of Call Elements. We don't manage contacts ourself so they are
 */
public class CallElementListFragment extends ListFragment implements LoaderManager.LoaderCallbacks<Cursor> {
    private static final String TAG = CallElementListFragment.class.getSimpleName();
    private CallElementAdapter mAdapter;
    private String mCurFilter;
    private SFLPhoneHomeActivity sflphoneHome;
    private ISipService service;
    ImageButton buttonCall;
    Button attendedTransfer, conference;
    EditText phoneField;
    private AccountSelectionSpinner mAccountSelectionSpinner;
    private AccountListReceiver mAccountList;
    private boolean isReady = false;

    static final String[] CONTACTS_SUMMARY_PROJECTION = new String[] { Contacts._ID, Contacts.DISPLAY_NAME, Contacts.PHOTO_ID, Contacts.LOOKUP_KEY };
    static final String[] CONTACTS_PHONES_PROJECTION = new String[] { Phone.NUMBER, Phone.TYPE };
    static final String[] CONTACTS_SIP_PROJECTION = new String[] { SipAddress.SIP_ADDRESS, SipAddress.TYPE };

    private Callbacks mCallbacks = sDummyCallbacks;
    /**
     * A dummy implementation of the {@link Callbacks} interface that does nothing. Used only when this fragment is not attached to an activity.
     */
    private static Callbacks sDummyCallbacks = new Callbacks() {
        @Override
        public void onCallSelected(SipCall c) {
        }

        @Override
        public ISipService getService() {
            // TODO Auto-generated method stub
            return null;
        }
    };

    /**
     * The Activity calling this fragment has to implement this interface
     * 
     */
    public interface Callbacks {
        public void onCallSelected(SipCall c);

        public ISipService getService();

    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        sflphoneHome = (SFLPhoneHomeActivity) activity;
        service = ((SFLphoneApplication) sflphoneHome.getApplication()).getSipService();
        if (!(activity instanceof Callbacks)) {
            throw new IllegalStateException("Activity must implement fragment's callbacks.");
        }

        mCallbacks = (Callbacks) activity;
        Log.w(TAG, "onAttach() service=" + service + ", accountList=" + mAccountList);
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mCallbacks = sDummyCallbacks;
    }

    public String getSelectedAccount() {
        return mAccountSelectionSpinner.getAccount();
    }

    /**
     * Runnable that fill information in a contact card asynchroniously.
     */
    /*
     * public static class InfosLoader implements Runnable { private View view; private long cid; private ContentResolver cr;
     * 
     * public InfosLoader(Context context, View element, long contact_id) { cid = contact_id; cr = context.getContentResolver(); view = element; }
     * 
     * public static Bitmap loadContactPhoto(ContentResolver cr, long id) { Uri uri =
     * ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, id); InputStream input =
     * ContactsContract.Contacts.openContactPhotoInputStream(cr, uri); if (input == null) { return null; } return BitmapFactory.decodeStream(input); }
     * 
     * @Override public void run() { final Bitmap photo_bmp = loadContactPhoto(cr, cid);
     * 
     * Cursor phones = cr.query(CommonDataKinds.Phone.CONTENT_URI, CONTACTS_PHONES_PROJECTION, CommonDataKinds.Phone.CONTACT_ID + " = ?", new String[]
     * { Long.toString(cid) }, null);
     * 
     * final List<String> numbers = new ArrayList<String>(); while (phones.moveToNext()) { String number =
     * phones.getString(phones.getColumnIndex(CommonDataKinds.Phone.NUMBER)); // int type =
     * phones.getInt(phones.getColumnIndex(CommonDataKinds.Phone.TYPE)); numbers.add(number); } phones.close(); // TODO: same for SIP adresses.
     * 
     * final Bitmap bmp = photo_bmp; view.post(new Runnable() {
     * 
     * @Override public void run() { } }); } }
     */

    public CallElementListFragment() {
        super();
    }

    public void setAccountList(AccountListReceiver accountList) {
        mAccountList = accountList;
    }

    public void addCall(SipCall c) {
        Log.i(TAG, "Adding call " + c.mCallInfo.mDisplayName);
        mAdapter.add(c);
    }

    // public void removeCall(SipCall c) {
    // Log.i(TAG, "Removing call " + c.mCallInfo.mDisplayName);
    // mAdapter.remove(c);
    // }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        // Give some text to display if there is no data. In a real
        // application this would come from a resource.
        // setEmptyText("No phone numbers");

        // We have a menu item to show in action bar.
        setHasOptionsMenu(true);

        // Create an empty adapter we will use to display the loaded data.
        ArrayList<SipCall> calls = new ArrayList<SipCall>();
        mAdapter = new CallElementAdapter(getActivity(), calls);
        setListAdapter(mAdapter);

        // Start out with a progress indicator.
        // setListShown(false);

        // Prepare the loader. Either re-connect with an existing one,
        // or start a new one.
        // getLoaderManager().initLoader(0, null, this)

        final Context context = getActivity();
        ListView lv = getListView();
        lv.setOnItemLongClickListener(new OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(AdapterView<?> av, View v, int pos, long id) {
                Log.i(TAG, "On Long Click");
                final CharSequence[] items = { "Hang up Call", "Send Message", "Add to Conference" };
                final SipCall call = (SipCall) mAdapter.getItem(pos);
                // // FIXME
                // service = sflphoneApplication.getSipService();
                AlertDialog.Builder builder = new AlertDialog.Builder(context);
                builder.setTitle("Action to perform with " + call.mCallInfo.mDisplayName).setCancelable(true)
                        .setItems(items, new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int item) {
                                Log.i(TAG, "Selected " + items[item]);
                                switch (item) {
                                case 0:
                                    call.notifyServiceHangup(service);
                                    break;
                                case 1:
                                    call.sendTextMessage();
                                    // Need to hangup this call immediately since no way to do it after this action
                                    call.notifyServiceHangup(service);
                                    break;
                                case 2:
                                    call.addToConference();
                                    // Need to hangup this call immediately since no way to do it after this action
                                    call.notifyServiceHangup(service);
                                    break;
                                default:
                                    break;
                                }
                            }
                        });
                AlertDialog alert = builder.create();
                alert.show();

                return true;
            }
        });

        lv.setOnItemClickListener(new OnItemClickListener() {

            @Override
            public void onItemClick(AdapterView<?> arg0, View v, int pos, long arg3) {
                mCallbacks.onCallSelected((SipCall) mAdapter.getItem(pos));

            }

        });
    }

    public void launchCallActivity(SipCall call) {
        Log.i(TAG, "Launch Call Activity");
        Bundle bundle = new Bundle();
        bundle.putParcelable("CallInfo", call.mCallInfo);
        Intent intent = new Intent().setClass(getActivity(), CallActivity.class);
        intent.putExtras(bundle);
        getActivity().startActivity(intent);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        Log.i(TAG, "onCreateView");
        View inflatedView = inflater.inflate(R.layout.frag_call_element, container, false);

        mAccountSelectionSpinner = (AccountSelectionSpinner) inflatedView.findViewById(R.id.account_selection_button);
        phoneField = (EditText) inflatedView.findViewById(R.id.phoneNumberTextEntry);
        buttonCall = (ImageButton) inflatedView.findViewById(R.id.buttonCall);

        buttonCall.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                processingNewCallAction();
            }
        });

        attendedTransfer = (Button) inflatedView.findViewById(R.id.button_attended);
        attendedTransfer.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                if (mAdapter.getCount() == 2) {
                    try {
                        service.attendedTransfer(mAdapter.getItem(0).getCallId(), mAdapter.getItem(1).getCallId());
                        mAdapter.clear();
                    } catch (RemoteException e) {
                       Log.e(TAG, e.toString());
                    }
                } else {
                    Toast.makeText(getActivity(), "You need two calls one on Hold the other current to bind them", Toast.LENGTH_LONG).show();
                }

            }
        });
        
        conference = (Button) inflatedView.findViewById(R.id.button_conf);
        conference.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                if (mAdapter.getCount() == 2) {
                    try {
                        service.joinParticipant(mAdapter.getItem(0).getCallId(), mAdapter.getItem(1).getCallId());
                    } catch (RemoteException e) {
                       Log.e(TAG, e.toString());
                    }
                } else {
                    Toast.makeText(getActivity(), "You need two calls one on Hold the other current to create a conference", Toast.LENGTH_LONG).show();
                }
            }
        });

        isReady = true;
        if (mCallbacks.getService() != null) {

            onServiceSipBinded(mCallbacks.getService());
        }
        return inflatedView;
    }

    public void processingNewCallAction() {
        // String accountID = mAccountList.currentAccountID;
        String accountID = mAccountSelectionSpinner.getAccount();

        String to = phoneField.getText().toString();

        Random random = new Random();
        String callID = Integer.toString(random.nextInt());
        SipCall.CallInfo info = new SipCall.CallInfo();

        info.mCallID = callID;
        info.mAccountID = accountID;
        info.mDisplayName = "Cool Guy!";
        info.mPhone = to;
        info.mEmail = "coolGuy@coolGuy.com";
        info.mCallType = SipCall.CALL_TYPE_OUTGOING;

        SipCall call = CallListReceiver.getCallInstance(info);
        mCallbacks.onCallSelected(call);

        try {
            service.placeCall(info.mAccountID, info.mCallID, info.mPhone);
        } catch (RemoteException e) {
            Log.e(TAG, "Cannot call service method", e);
        }
        addCall(call);
    }

    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {

        Log.i(TAG, "onCreateLoader");
        Uri baseUri;

        if (mCurFilter != null) {
            baseUri = Uri.withAppendedPath(Contacts.CONTENT_FILTER_URI, Uri.encode(mCurFilter));
        } else {
            baseUri = Contacts.CONTENT_URI;
        }

        // Now create and return a CursorLoader that will take care of
        // creating a Cursor for the data being displayed.
        String select = "((" + Contacts.DISPLAY_NAME + " NOTNULL) AND (" + Contacts.HAS_PHONE_NUMBER + "=1) AND (" + Contacts.DISPLAY_NAME
                + " != '' ))";
        // String select = "((" + Contacts.DISPLAY_NAME + " NOTNULL) AND (" + Contacts.DISPLAY_NAME + " != '' ))";

        return new CursorLoader(getActivity(), baseUri, CONTACTS_SUMMARY_PROJECTION, select, null, Contacts.DISPLAY_NAME + " COLLATE LOCALIZED ASC");
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        Log.i(TAG, "onLoadFinished");
        // Swap the new cursor in. (The framework will take care of closing the
        // old cursor once we return.)
        // mAdapter.swapCursor(data);

        // The list should now be shown.
        /*
         * if (isResumed()) { setListShown(true); } else { setListShownNoAnimation(true); }
         */
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        // This is called when the last Cursor provided to onLoadFinished()
        // above is about to be closed. We need to make sure we are no
        // longer using it.
        // mAdapter.swapCursor(null);
    }

    /**
     * Called by activity to pass a reference to sipservice to Fragment.
     * 
     * @param isip
     */
    public void onServiceSipBinded(ISipService isip) {

        if (isReady) {
            service = isip;
            ArrayList<String> accountList;
            try {
                accountList = (ArrayList<String>) mCallbacks.getService().getAccountList();
                mAccountSelectionSpinner.populate(mCallbacks.getService(), accountList);
            } catch (RemoteException e) {
                Log.i(TAG, e.toString());
            }
        }

    }

    public void updateCall(String iD, String newState) {
        mAdapter.update(iD, newState);

    }

}