kopetepasswordwidget.cpp

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/*
    kopetepasswordwidget.cpp - widget for modifying a Kopete::Password

    Copyright (c) 2003 by Richard Smith          <kde@metafoo.co.uk>

    Kopete    (c) 2003 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 "kopetepasswordwidget.h"
#include "kopetepassword.h"
#include "kopeteprotocol.h"

#include <klineedit.h>

#include <qcheckbox.h>

namespace Kopete
{
    namespace UI
    {
        class PasswordWidget::Private
        {
            public:
                Private() : protocol( 0 ) { }
                Kopete::Protocol * protocol;
        };
    } // namespace UI
} // namespace Kopete

Kopete::UI::PasswordWidget::PasswordWidget( QWidget *parent )
        : QWidget( parent ), d( new Private )
{
    setupUi( this );
    mPassword->setPasswordMode(true);
}

Kopete::UI::PasswordWidget::PasswordWidget( Kopete::Password *from, QWidget *parent )
    : QWidget( parent ), d( new Private )
{
    setupUi( this );
    mPassword->setPasswordMode(true);

    load( from );
}

Kopete::UI::PasswordWidget::~PasswordWidget()
{
    delete d;
}

void Kopete::UI::PasswordWidget::setValidationProtocol( Kopete::Protocol * proto )
{
    d->protocol = proto;
}

void Kopete::UI::PasswordWidget::load( Kopete::Password *source )
{
    disconnect( mRemembered, SIGNAL(stateChanged(int)), this, SLOT(slotRememberChanged()) );
    disconnect( mPassword, SIGNAL(textChanged(QString)),
            this, SLOT(passwordTextChanged()) );
    disconnect( mRemembered, SIGNAL(stateChanged(int)), this, SIGNAL(changed()) );

    if ( source && source->remembered() )
    {
        mRemembered->setTristate();
        mRemembered->setCheckState( Qt::PartiallyChecked );
        mPassword->setEnabled( true );
        source->requestWithoutPrompt( this, SLOT(receivePassword(QString)) );
    }
    else
    {
        mRemembered->setTristate( false );
        mRemembered->setCheckState( Qt::Unchecked );
        mPassword->setEnabled( false );
    }

    connect( mRemembered, SIGNAL(stateChanged(int)), this, SLOT(slotRememberChanged()) );
    connect( mPassword, SIGNAL(textChanged(QString)),
            this, SLOT(passwordTextChanged()) );
    connect( mRemembered, SIGNAL(stateChanged(int)), this, SIGNAL(changed()) );

    emit changed();
}

void Kopete::UI::PasswordWidget::slotRememberChanged()
{
    mRemembered->setTristate( false );
    mPassword->setEnabled( mRemembered->isChecked() );
}

void Kopete::UI::PasswordWidget::receivePassword( const QString &pwd )
{
    // pwd == null could mean user declined to open wallet
    // don't uncheck the remembered field in this case.
    if ( !pwd.isNull() && mRemembered->checkState() == Qt::PartiallyChecked )
    {
        mRemembered->setChecked( true );
        setPassword( pwd );
    }
}

void Kopete::UI::PasswordWidget::save( Kopete::Password *target )
{
    if ( !target || mRemembered->checkState() == Qt::PartiallyChecked )
        return;

    if ( mRemembered->isChecked() )
        target->set( password() );
    else
        target->set();
}

bool Kopete::UI::PasswordWidget::validate()
{
    // Unchecked means the password should not be remembered, partially checked 
    // we're waiting for kwallet. Let it pass in both cases.
    if ( mRemembered->checkState() != Qt::Checked )
        return true;

    if ( d->protocol ) {
        return d->protocol->validatePassword( password() );
    }
    return true;
}

QString Kopete::UI::PasswordWidget::password() const
{
    return mPassword->text();
}

bool Kopete::UI::PasswordWidget::remember() const
{
    return mRemembered->checkState() == Qt::Checked;
}

void Kopete::UI::PasswordWidget::setPassword( const QString &pass )
{
    // switch out of 'waiting for wallet' mode if we're in it
    mRemembered->setTristate( false );

    // fill in the password text
    mPassword->clear();
    mPassword->setText( pass );
    mPassword->setEnabled( remember() );
}

void Kopete::UI::PasswordWidget::passwordTextChanged()
{
    if ( mRemembered->checkState() == Qt::PartiallyChecked )
    {
        disconnect( mRemembered, SIGNAL(stateChanged(int)), this, SIGNAL(changed()) );
        // switch out of 'waiting for wallet' mode if we're in it
        mRemembered->setTristate( false );
        mRemembered->setChecked(true);
        connect( mRemembered, SIGNAL(stateChanged(int)), this, SIGNAL(changed()) );
    }
    emit changed();
}

#include "kopetepasswordwidget.moc"

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