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/*
* ImportContacts.java
*
* Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
*
* This file is part of the Import Contacts program (hereafter referred
* to as "this program"). For more information, see
* http://www.waxworlds.org/edam/software/android/import-contacts
*
* 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, see <http://www.gnu.org/licenses/>.
*/
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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