src/com/savoirfairelinux/sflphone/adapters/CallElementAdapter.java

package com.savoirfairelinux.sflphone.adapters;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.savoirfairelinux.sflphone.R;
import com.savoirfairelinux.sflphone.model.SipCall;

/**
 * A CursorAdapter that creates and update call elements using corresponding contact infos. TODO: handle contact list separatly to allow showing
 * synchronized contacts on Call cards with multiple contacts etc.
 */
public class CallElementAdapter extends BaseAdapter {
    private ExecutorService infos_fetcher = Executors.newCachedThreadPool();
    private Context mContext;
    private final HashMap<String, SipCall> mCallList;
    private static final String CURRENT_STATE_LABEL = "    CURRENT STATE: ";

    public CallElementAdapter(Context context, List<SipCall> callList) {
        super();
        mContext = context;
        mCallList = new HashMap<String, SipCall>();
        for (SipCall c : callList) {
            mCallList.put(c.getCallId(), c);
        }

    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View rowView = convertView;
        CallElementView entryView = null;

        if (rowView == null) {
            // Get a new instance of the row layout view
            LayoutInflater inflater = LayoutInflater.from(mContext);
            rowView = inflater.inflate(R.layout.item_contact, null);

            // Hold the view objects in an object
            // so they don't need to be re-fetched
            entryView = new CallElementView();
            entryView.photo = (ImageView) rowView.findViewById(R.id.photo);
            entryView.displayName = (TextView) rowView.findViewById(R.id.display_name);
            entryView.phones = (TextView) rowView.findViewById(R.id.phones);
            entryView.state = (TextView) rowView.findViewById(R.id.callstate);

            // Cache the view obects in the tag
            // so they can be re-accessed later
            rowView.setTag(entryView);
        } else {
            entryView = (CallElementView) rowView.getTag();
        }

        // Transfer the stock data from the data object
        // to the view objects

        SipCall call = (SipCall) mCallList.values().toArray()[position];
        entryView.displayName.setText(call.getDisplayName());
        entryView.phones.setText(call.getPhone());
        entryView.state.setText(CURRENT_STATE_LABEL + call.getCallStateString());

        return rowView;
    }

    /*********************
     * ViewHolder Pattern
     *********************/
    public class CallElementView {
        protected ImageView photo;
        protected TextView displayName;
        protected TextView phones;
        public TextView state;
    }

    @Override
    public int getCount() {
        return mCallList.size();
    }

    @Override
    public SipCall getItem(int pos) {
        return (SipCall) mCallList.values().toArray()[pos];
    }

    @Override
    public long getItemId(int arg0) {
        // TODO Auto-generated method stub
        return 0;
    }

    public void add(SipCall c) {
        mCallList.put(c.getCallId(), c);
        notifyDataSetChanged();

    }

    public void update(String id, String newState) {
        if (mCallList.get(id) == null) {
            return;
        }
        if (newState.equals("INCOMING")) {
            mCallList.get(id).setCallState(SipCall.CALL_STATE_INCOMING);
        } else if (newState.equals("RINGING")) {
            mCallList.get(id).setCallState(SipCall.CALL_STATE_RINGING);
        } else if (newState.equals("CURRENT")) {
            mCallList.get(id).setCallState(SipCall.CALL_STATE_CURRENT);
        } else if (newState.equals("HUNGUP")) {
            mCallList.get(id).setCallState(SipCall.CALL_STATE_HUNGUP);
            mCallList.remove(id);
        } else if (newState.equals("BUSY")) {
            mCallList.get(id).setCallState(SipCall.CALL_STATE_BUSY);
            mCallList.remove(id);
        } else if (newState.equals("FAILURE")) {
            mCallList.get(id).setCallState(SipCall.CALL_STATE_FAILURE);
            mCallList.remove(id);
        } else if (newState.equals("HOLD")) {
            mCallList.get(id).setCallState(SipCall.CALL_STATE_HOLD);
        } else if (newState.equals("UNHOLD")) {
            mCallList.get(id).setCallState(SipCall.CALL_STATE_CURRENT);
        } else {
            mCallList.get(id).setCallState(SipCall.CALL_STATE_NONE);
        }
        notifyDataSetChanged();

    }

    public void clear() {
        mCallList.clear();
        notifyDataSetChanged();
    }

}