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/*
kopetewalletmanager.cpp - Kopete Wallet Manager
Copyright (c) 2004 by Richard Smith <kde@metafoo.co.uk>
Kopete (c) 2002-2004 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
*************************************************************************
*/
#include "kopetewalletmanager.h"
#include "kopeteuiglobal.h"
#include <kdebug.h>
#include <kstaticdeleter.h>
#include <kwallet.h>
#include <qtimer.h>
#include <qwidget.h>
#include <qapplication.h>
static WId mainWindowID()
{
if ( QWidget *w = Kopete::UI::Global::mainWidget() )
return w->winId();
return 0;
}
class Kopete::WalletManager::Private
{
public:
Private() : wallet(0), signal(0) {}
~Private() { delete wallet; delete signal; }
KWallet::Wallet *wallet;
// we can't just connect every slot that wants the wallet to the
// walletOpened signal - since we disconnect all the slots immediately
// after emitting the signal, this would result in everyone who asked
// for the wallet again in response to a walletOpened signal to fail
// to receive it.
// instead, we store a KopeteWalletSignal which we connect to, and create
// a new one for each set of requests.
KopeteWalletSignal *signal;
};
Kopete::WalletManager::WalletManager()
: d( new Private )
{
}
Kopete::WalletManager::~WalletManager()
{
closeWallet();
delete d;
}
Kopete::WalletManager *Kopete::WalletManager::self()
{
static KStaticDeleter<Kopete::WalletManager> s_deleter;
static Kopete::WalletManager *s_self = 0;
if ( !s_self )
s_deleter.setObject( s_self, new Kopete::WalletManager() );
return s_self;
}
void Kopete::WalletManager::openWallet( QObject *object, const char *slot )
{
if ( !d->signal )
d->signal = new KopeteWalletSignal;
// allow connecting to protected slots by calling object->connect
connect( d->signal, SIGNAL( walletOpened( KWallet::Wallet* ) ), object, slot );
//object->connect( d->signal, SIGNAL( walletOpened( KWallet::Wallet* ) ), slot );
openWalletInner();
}
void Kopete::WalletManager::openWalletInner()
{
// do we already have a wallet?
if ( d->wallet )
{
// if the wallet isn't open yet, we're pending a slotWalletChangedStatus
// anyway, so we don't set up a single shot.
if ( d->wallet->isOpen() )
{
kdDebug(14010) << k_funcinfo << " wallet already open" << endl;
QTimer::singleShot( 0, this, SLOT( slotGiveExistingWallet() ) );
}
else
{
kdDebug(14010) << k_funcinfo << " still waiting for earlier request" << endl;
}
return;
}
kdDebug(14010) << k_funcinfo << " about to open wallet async" << endl;
// we have no wallet: ask for one.
d->wallet = KWallet::Wallet::openWallet( KWallet::Wallet::NetworkWallet(),
mainWindowID(), KWallet::Wallet::Asynchronous );
connect( d->wallet, SIGNAL( walletOpened(bool) ), SLOT( slotWalletChangedStatus() ) );
}
void Kopete::WalletManager::slotWalletChangedStatus()
{
kdDebug(14010) << k_funcinfo << " isOpen: " << d->wallet->isOpen() << endl;
if( d->wallet->isOpen() )
{
if ( !d->wallet->hasFolder( QString::fromLatin1( "Kopete" ) ) )
d->wallet->createFolder( QString::fromLatin1( "Kopete" ) );
if ( d->wallet->setFolder( QString::fromLatin1( "Kopete" ) ) )
{
// success!
QObject::connect( d->wallet, SIGNAL( walletClosed() ), this, SLOT( closeWallet() ) );
}
else
{
// opened OK, but we can't use it
delete d->wallet;
d->wallet = 0;
}
}
else
{
// failed to open
delete d->wallet;
d->wallet = 0;
}
emitWalletOpened( d->wallet );
}
void Kopete::WalletManager::slotGiveExistingWallet()
{
kdDebug(14010) << k_funcinfo << " with d->wallet " << d->wallet << endl;
if ( d->wallet )
{
// the wallet was already open
if ( d->wallet->isOpen() )
emitWalletOpened( d->wallet );
// if the wallet was not open, but d->wallet is not 0,
// then we're waiting for it to open, and will be told
// when it's done: do nothing.
else
kdDebug(14010) << k_funcinfo << " wallet gone, waiting for another wallet" << endl;
}
else
{
// the wallet was lost between us trying to open it and
// getting called back. try to reopen it.
openWalletInner();
}
}
void Kopete::WalletManager::closeWallet()
{
if ( !d->wallet ) return;
delete d->wallet;
d->wallet = 0L;
emit walletLost();
}
void Kopete::WalletManager::emitWalletOpened( KWallet::Wallet *wallet )
{
KopeteWalletSignal *signal = d->signal;
d->signal = 0;
if ( signal )
emit signal->walletOpened( wallet );
delete signal;
}
#include "kopetewalletmanager.moc"
// vim: set noet ts=4 sts=4 sw=4:
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