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package org.waxworlds.importcontacts;
import java.util.Stack;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
public class ImportContacts extends Activity
{
public static final int STATE_NONE = 0;
public static final int STATE_IMPORT_VCF = 1;
public static final int STATE_MERGE = 2;
public static final int STATE_DOIT = 3;
private Stack< Integer > _stateStack;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
_stateStack = new Stack< Integer >();
startState( STATE_IMPORT_VCF );
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
super.onActivityResult(requestCode, resultCode, data);
// quit?
if( resultCode == RESULT_CANCELED ) {
finish();
}
else {
int newState = STATE_NONE;
if( data != null ) {
Bundle extras = data.getExtras();
if( extras != null ) {
Integer tmp = extras.getInt( "nextstate" );
if( tmp != null ) {
newState = tmp.intValue();
}
}
}
startState( newState );
}
}
private void startState( int newState )
{
if( newState == STATE_NONE )
{
// we're going back, so pop top state off stack
_stateStack.pop();
newState = ( (Integer)_stateStack.peek() ).intValue();
}
else
{
// push new state on state
_stateStack.push( new Integer( newState ) );
}
// figure out the class
Class cls = null;
switch( newState ) {
case STATE_IMPORT_VCF: cls = ImportVCF.class; break;
case STATE_MERGE: cls = Merge.class; break;
case STATE_DOIT: cls = Doit.class; break;
}
// start activity
Intent i = new Intent( this, cls );
if( _stateStack.size() > 1 ) i.putExtra( "backstate", true );
startActivityForResult( i, 0 );
}
}
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