kopeteaccount.cpp

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/*
    kopeteaccount.cpp - Kopete Account

    Copyright (c) 2003-2005 by Olivier Goffart       <ogoffart@kde.org>
    Copyright (c) 2003-2004 by Martijn Klingens      <klingens@kde.org>
    Copyright (c) 2004      by Richard Smith         <kde@metafoo.co.uk>
    Copyright (c) 2007         Will Stephenson       <wstephenson@kde.org>

    Kopete    (c) 2002-2005 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 <qapplication.h>
#include <QTimer>
#include <QPixmap>
#include <QIcon>
#include <QPointer>

#include <kconfig.h>
#include <kdebug.h>
#include <kdialog.h>
#include <kdeversion.h>
#include <klocale.h>
#include <kiconeffect.h>
#include <kicon.h>
#include <kaction.h>
#include <kmenu.h>
#include <kmessagebox.h>
#include <kcomponentdata.h>
#include <kactionmenu.h>
#include <kconfiggroup.h>

#include "kopeteaccount.h"
#include "kopeteidentity.h"
#include "kopeteidentitymanager.h"
#include "kabcpersistence.h"
#include "kopetecontactlist.h"
#include "kopeteaccountmanager.h"
#include "kopetecontact.h"
#include "kopetemetacontact.h"
#include "kopeteprotocol.h"
#include "kopetepluginmanager.h"
#include "kopetegroup.h"
#include "kopetebehaviorsettings.h"
#include "kopeteutils.h"
#include "kopeteuiglobal.h"
#include "kopeteblacklister.h"
#include "kopeteonlinestatusmanager.h"
#include "editaccountwidget.h"

namespace Kopete
{


class Account::Private
{
public:
    Private( Protocol *protocol, const QString &accountId )
     : protocol( protocol ), id( accountId )
     , excludeconnect( true ), priority( 0 )
     , connectionTry(0), identity( 0 ), myself( 0 )
     , suppressStatusTimer( 0 ), suppressStatusNotification( false )
     , blackList( new Kopete::BlackLister( protocol->pluginId(), accountId ) )
    { }


    ~Private() { delete blackList; }

    QPointer <Protocol> protocol;
    QString id;
    QString accountLabel;
    bool excludeconnect;
    uint priority;
    QHash<QString, Contact*> contacts;
    QColor color;
    uint connectionTry;
    QPointer <Identity> identity;
    QPointer <Contact> myself;
    QTimer suppressStatusTimer;
    QTimer reconnectTimer;
    bool reconnectOnNetworkIsOnline;
    bool suppressStatusNotification;
    Kopete::BlackLister *blackList;
    KConfigGroup *configGroup;
    QString customIcon;
    Kopete::OnlineStatus restoreStatus;
    Kopete::StatusMessage restoreMessage;
    QDateTime lastLoginTime;
    bool suspended;
    Kopete::OnlineStatus suspendStatus;
};

Account::Account( Protocol *parent, const QString &accountId )
 : QObject( parent ), d( new Private( parent, accountId ) )
{
    d->configGroup=new KConfigGroup(KGlobal::config(), QString::fromLatin1( "Account_%1_%2" ).arg( d->protocol->pluginId(), d->id ));

    d->excludeconnect = d->configGroup->readEntry( "ExcludeConnect", false );
    d->color = d->configGroup->readEntry( "Color" , QColor() );
    d->customIcon = d->configGroup->readEntry( "Icon", QString() );
    d->priority = d->configGroup->readEntry( "Priority", 0 );

    d->restoreStatus = Kopete::OnlineStatus::Online;
    d->restoreMessage = Kopete::StatusMessage();
    d->reconnectOnNetworkIsOnline = false;

    d->reconnectTimer.setSingleShot( true );
    QObject::connect( &d->reconnectTimer, SIGNAL(timeout()),
                      this, SLOT(reconnect()) );

    QObject::connect(Solid::Networking::notifier(), SIGNAL(statusChanged(Solid::Networking::Status)), this, SLOT(networkingStatusChanged(Solid::Networking::Status)));

    QObject::connect( &d->suppressStatusTimer, SIGNAL(timeout()),
        this, SLOT(slotStopSuppression()) );

    d->suspended = false;
    d->suspendStatus = Kopete::OnlineStatus::Offline;
}

Account::~Account()
{
    // Delete all registered child contacts first
    foreach (Contact* c, d->contacts) QObject::disconnect(c, SIGNAL(contactDestroyed(Kopete::Contact*)), this, 0);
    qDeleteAll(d->contacts);
    d->contacts.clear();

    kDebug( 14010 ) << " account '" << d->id << "' about to emit accountDestroyed ";
    emit accountDestroyed(this);

    delete d->myself;
    delete d->configGroup;
    delete d;
}

void Account::reconnect()
{
    if ( isConnected() )
        return; // Already connected

    kDebug( 14010 ) << "account " << d->id << " restoreStatus " << d->restoreStatus.status()
                    << " restoreTitle " << d->restoreMessage.title()
                    << " restoreMessage " << d->restoreMessage.message();
    setOnlineStatus( d->restoreStatus, d->restoreMessage );
}

void Account::networkingStatusChanged( const Solid::Networking::Status status )
{
    switch(status) {
    case Solid::Networking::Connected:
        if (d->reconnectOnNetworkIsOnline && ! excludeConnect()) {
            reconnect();
        }
        break;

    case Solid::Networking::Unconnected:
    case Solid::Networking::Disconnecting:
        setOnlineStatus( OnlineStatus::Offline );
        if (Kopete::BehaviorSettings::self()->reconnectOnDisconnect()) {
            d->reconnectOnNetworkIsOnline = true;
        }
        break;

    case Solid::Networking::Unknown:
    case Solid::Networking::Connecting:
        break;
    }
}

void Account::disconnected( DisconnectReason reason )
{
    kDebug( 14010 ) << reason;
    //reconnect if needed
    if ( reason == BadPassword )
    {
        d->reconnectTimer.start( 0 );
    }
    else if ( Kopete::BehaviorSettings::self()->reconnectOnDisconnect() == true && reason > Manual )
    {
        if (reason == ConnectionReset) {
            d->reconnectOnNetworkIsOnline = true;
            d->reconnectTimer.stop();
        } else {
            if ( d->reconnectTimer.isActive() )
                return; // In case protocol calls disconnected more than one time on disconnect.

            d->connectionTry++;
            //use a timer to allow the plugins to clean up after return
            if ( d->connectionTry < 3 )
                d->reconnectTimer.start( 10000 ); // wait 10 seconds before reconnect
            else if ( d->connectionTry <= 10 )
                d->reconnectTimer.start( ((2 * (d->connectionTry - 2)) - 1) * 60000 ); // wait 1,3,5...15 minutes => stops after 64 min
        }
    }
    else
    {
        d->reconnectOnNetworkIsOnline = false;
        d->reconnectTimer.stop();
    }

    if ( reason == OtherClient )
    {
        Kopete::Utils::notifyConnectionLost(this, i18n("You have been disconnected"), i18n( "You have connected from another client or computer to the account '%1'" , d->id), i18n("Most proprietary Instant Messaging services do not allow you to connect from more than one location. Check that nobody is using your account without your permission. If you need a service that supports connection from various locations at the same time, use the Jabber protocol."));
    }
}

Protocol *Account::protocol() const
{
    return d->protocol;
}

QString Account::accountId() const
{
    return d->id;
}

const QColor Account::color() const
{
    return d->color;
}

void Account::setColor( const QColor &color )
{
    d->color = color;
    if ( d->color.isValid() )
        d->configGroup->writeEntry( "Color", d->color );
    else
        d->configGroup->deleteEntry( "Color" );
    emit colorChanged( color );
}

void Account::setPriority( uint priority )
{
    d->priority = priority;
    d->configGroup->writeEntry( "Priority", d->priority );
}

uint Account::priority() const
{
    return d->priority;
}


QPixmap Account::accountIcon(const int size) const
{
    QString icon= d->customIcon.isEmpty() ? d->protocol->pluginIcon() : d->customIcon;

    // FIXME: this code is duplicated with OnlineStatus, can we merge it somehow?
    QPixmap base = KIconLoader::global()->loadIcon(
        icon, KIconLoader::Small, size );

    if ( d->color.isValid() )
    {
        KIconEffect effect;
        base = effect.apply( base, KIconEffect::Colorize, 1, d->color, 0);
    }

    if ( size > 0 && base.width() != size )
    {
        base.scaled( size, size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
    }

    return base;
}

QString Account::accountIconPath(const KIconLoader::Group size) const
{
    return KIconLoader::global()->iconPath(d->customIcon.isEmpty() ?
                                           d->protocol->pluginIcon() :
                           d->customIcon, size);
}

KConfigGroup* Kopete::Account::configGroup() const
{
    return d->configGroup;
}

void Account::setAccountLabel( const QString &label )
{
    d->accountLabel = label;
}

QString Account::accountLabel() const
{
    if( d->accountLabel.isNull() )
        return d->id;
    return d->accountLabel;
}

void Account::setExcludeConnect( bool b )
{
    d->excludeconnect = b;
    d->configGroup->writeEntry( "ExcludeConnect", d->excludeconnect );
}

bool Account::excludeConnect() const
{
    return d->excludeconnect;
}

bool Account::registerContact( Contact *c )
{
    Q_ASSERT ( c->metaContact() != Kopete::ContactList::self()->myself() );

    if ( d->contacts.value( c->contactId() ) )
    {
        kWarning(14010) << "Contact already exists!!! accountId: " << c->account() << " contactId: " << c->contactId();
        return false;
    }

    d->contacts.insert( c->contactId(), c );
    QObject::connect( c, SIGNAL(contactDestroyed(Kopete::Contact*)),
        SLOT(contactDestroyed(Kopete::Contact*)) );

    return true;
}

void Account::contactDestroyed( Contact *c )
{
    d->contacts.remove( c->contactId() );
}


const QHash<QString, Contact*>& Account::contacts()
{
    return d->contacts;
}


Kopete::MetaContact* Account::addContact( const QString &contactId, const QString &displayName , Group *group, AddMode mode  )
{

    if ( !protocol()->canAddMyself() && contactId == d->myself->contactId() )
    {
        if ( isConnected() && d->lastLoginTime.secsTo(QDateTime::currentDateTime()) > 30 )
        {
            KMessageBox::queuedMessageBox( Kopete::UI::Global::mainWidget(), KMessageBox::Error,
                                           i18n("You are not allowed to add yourself to the contact list. The addition of \"%1\" to account \"%2\" will not take place.", contactId, accountId()), i18n("Error Creating Contact")
                                         );
        }
        else
        {
            kWarning(14010) << "You are not allowed to add yourself to the contact list. The addition of" << contactId
                            << "to account" << accountId() << "will not take place.";
        }
        return 0;
    }

    bool isTemporary = (mode == Temporary);

    Contact *c = d->contacts.value( contactId );

    if(!group)
        group=Group::topLevel();

    if ( c && c->metaContact() )
    {
        if ( c->metaContact()->isTemporary() && !isTemporary )
        {
            kDebug( 14010 ) <<  " You are trying to add an existing temporary contact. Just add it on the list";

            c->metaContact()->setTemporary(false, group );
            ContactList::self()->addMetaContact(c->metaContact());
        }
        else
        {
            // should we here add the contact to the parentContact if any?
            kDebug( 14010 ) << "Contact already exists";
        }
        return c->metaContact();
    }

    MetaContact *parentContact = new MetaContact();
    if(!displayName.isEmpty())
        parentContact->setDisplayName( displayName );

    //Set it as a temporary contact if requested
    if ( isTemporary )
        parentContact->setTemporary( true );
    else
        parentContact->addToGroup( group );

    if ( c )
    {
        c->setMetaContact( parentContact );
        if ( mode == ChangeKABC )
        {
            kDebug( 14010 ) << " changing KABC";
            KABCPersistence::self()->write( parentContact );
        }
    }
    else
    {
        if ( !createContact( contactId, parentContact ) )
        {
            delete parentContact;
            return 0L;
        }
    }

    ContactList::self()->addMetaContact( parentContact );
    return parentContact;
}

bool Account::addContact(const QString &contactId , MetaContact *parent, AddMode mode )
{
    if ( !protocol()->canAddMyself() && contactId == myself()->contactId() )
    {
        if ( isConnected() && d->lastLoginTime.secsTo(QDateTime::currentDateTime()) > 30 )
        {
            KMessageBox::queuedMessageBox( Kopete::UI::Global::mainWidget(), KMessageBox::Error,
                                           i18n("You are not allowed to add yourself to the contact list. The addition of \"%1\" to account \"%2\" will not take place.", contactId, accountId()), i18n("Error Creating Contact")
                                         );
        }
        else
        {
            kWarning(14010) << "You are not allowed to add yourself to the contact list. The addition of" << contactId
                            << "to account" << accountId() << "will not take place.";
        }
        
        return 0L;
    }

    const bool isTemporary= parent->isTemporary();
    Contact *c = d->contacts.value( contactId );
    if ( c && c->metaContact() )
    {
        if ( c->metaContact()->isTemporary() && !isTemporary )
        {
            kDebug( 14010 ) <<
                "Account::addContact: You are trying to add an existing temporary contact. Just add it on the list" << endl;

                //setMetaContact ill take care about the deletion of the old contact
            c->setMetaContact(parent);
            return true;
        }
        else
        {
            // should we here add the contact to the parentContact if any?
            kDebug( 14010 ) << "Account::addContact: Contact already exists";
        }
        return false; //(the contact is not in the correct metacontact, so false)
    }

    const bool success = createContact(contactId, parent);

    if ( success && mode == ChangeKABC )
    {
        kDebug( 14010 ) << " changing KABC";
        KABCPersistence::self()->write( parent );
    }

    return success;
}

void Account::fillActionMenu( KActionMenu *actionMenu )
{
    //default implementation
//  KActionMenu *menu = new KActionMenu( QIcon(myself()->onlineStatus().iconFor( this )), accountId(), 0, 0);
#ifdef __GNUC__
#warning No icon shown, we should go away from QPixmap genered icons with overlays.
#endif
    QString nick;
        if (identity()->hasProperty( Kopete::Global::Properties::self()->nickName().key() ))
        nick = identity()->property( Kopete::Global::Properties::self()->nickName() ).value().toString();
    else
        nick = myself()->nickName();

    // Always add title at the beginning of actionMenu
    QAction *before = actionMenu->menu()->actions().value( 0, 0 );
    actionMenu->menu()->addTitle( myself()->onlineStatus().iconFor( myself() ),
        nick.isNull() ? accountLabel() : i18n( "%2 <%1>", accountLabel(), nick ),
        before
    );

    actionMenu->menu()->addSeparator();

    KAction *propertiesAction = new KAction( i18n("Properties"), actionMenu );
    QObject::connect( propertiesAction, SIGNAL(triggered(bool)), this, SLOT(editAccount()) );
    actionMenu->addAction( propertiesAction );
}

bool Account::hasCustomStatusMenu() const
{
    return false;
}

bool Account::isConnected() const
{
    return myself() && myself()->isOnline();
}

bool Account::isAway() const
{
    //We might want to change the method name here.
    return d->myself && ( d->myself->onlineStatus().status() == Kopete::OnlineStatus::Away ||
                    d->myself->onlineStatus().status() == Kopete::OnlineStatus::Busy );
}

bool Account::isBusy() const
{
    return d->myself && ( d->myself->onlineStatus().status() == Kopete::OnlineStatus::Busy );
}

Identity * Account::identity() const
{
    return d->identity;
}

bool Account::setIdentity( Identity *ident )
{
    if ( d->identity == ident )
    {
        return false;
    }

    if (d->identity)
    {
        d->identity->removeAccount( this );
    }

    ident->addAccount( this );
    d->identity = ident;
    d->configGroup->writeEntry("Identity", ident->id());
    return true;
}

Contact * Account::myself() const
{
    return d->myself;
}

void Account::setMyself( Contact *myself )
{
    Q_ASSERT( !d->myself );

    d->myself = myself;

    QObject::connect( d->myself, SIGNAL(onlineStatusChanged(Kopete::Contact*,Kopete::OnlineStatus,Kopete::OnlineStatus)),
        this, SLOT(slotOnlineStatusChanged(Kopete::Contact*,Kopete::OnlineStatus,Kopete::OnlineStatus)) );
    QObject::connect( d->myself, SIGNAL(propertyChanged(Kopete::PropertyContainer*,QString,QVariant,QVariant)),
        this, SLOT(slotContactPropertyChanged(Kopete::PropertyContainer*,QString,QVariant,QVariant)) );

    if ( isConnected() )
        emit isConnectedChanged();
}

void Account::slotOnlineStatusChanged( Contact * /* contact */,
    const OnlineStatus &newStatus, const OnlineStatus &oldStatus )
{
    const bool wasOffline = !oldStatus.isDefinitelyOnline();
    const bool isOffline  = !newStatus.isDefinitelyOnline();
    d->suspended = false;

    if ( wasOffline && !isOffline )
        d->lastLoginTime = QDateTime::currentDateTime();

    // If we went offline we have to ensure that all of our contacts
    // are online too. Otherwise the "Last Seen" tooltip won't work
    // properly. See bug 266580.
    if ( !wasOffline && isOffline )
        setAllContactsStatus( Kopete::OnlineStatus::Offline );

    if ( wasOffline || newStatus.status() == OnlineStatus::Offline )
    {
        // Wait for twenty seconds until we treat status notifications for contacts
        // as unrelated to our own status change.
        // Twenty seconds may seem like a long time, but just after your own
        // connection it's basically neglectible, and depending on your own
        // contact list's size, the protocol you are using, your internet
        // connection's speed and your computer's speed you *will* need it.
        d->suppressStatusNotification = true;
        d->suppressStatusTimer.setSingleShot( true );
        d->suppressStatusTimer.start( 20000 );
        //the timer is also used to reset the d->connectionTry
    }

    if ( !isOffline )
    {
        d->restoreStatus = newStatus;
        d->restoreMessage.setTitle( myself()->property( Kopete::Global::Properties::self()->statusTitle() ).value().toString() );
        d->restoreMessage.setMessage( myself()->property( Kopete::Global::Properties::self()->statusMessage() ).value().toString() );
    }

/*  kDebug(14010) << "account " << d->id << " changed status. was "
                   << Kopete::OnlineStatus::statusTypeToString(oldStatus.status()) << ", is "
                   << Kopete::OnlineStatus::statusTypeToString(newStatus.status()) << endl;*/
    if ( wasOffline != isOffline )
        emit isConnectedChanged();
}

bool Account::suspend( const Kopete::StatusMessage &reason )
{
    if ( d->suspended )
        return false;

    d->suspendStatus = myself()->onlineStatus();
    if( myself()->onlineStatus().status() == OnlineStatus::Connecting )
        d->suspendStatus = d->restoreStatus;
    setOnlineStatus( OnlineStatus::Offline, reason );
    d->suspended = true;
    return true;
}

bool Account::resume()
{
    if ( !d->suspended )
        return false;

    if ( d->suspendStatus != Kopete::OnlineStatus::Offline )
        setOnlineStatus( d->suspendStatus, d->restoreMessage, Kopete::Account::None );

    return true;
}

void Account::setAllContactsStatus( const Kopete::OnlineStatus &status )
{
    d->suppressStatusNotification = true;
    d->suppressStatusTimer.setSingleShot( true );
    d->suppressStatusTimer.start( 20000 );

    QHashIterator<QString, Contact*> it(d->contacts);
    for (  ; it.hasNext(); ) {
        it.next();

        Contact *c = it.value();
        if ( c )
            c->setOnlineStatus( status );
    }
}

void Account::slotContactPropertyChanged( PropertyContainer * /* contact */,
    const QString &key, const QVariant &old, const QVariant &newVal )
{
    if ( key == Kopete::Global::Properties::self()->statusTitle().key() && old != newVal && isConnected() )
        d->restoreMessage.setTitle( newVal.toString() );
    else if ( key == Kopete::Global::Properties::self()->statusMessage().key() && old != newVal && isConnected() )
        d->restoreMessage.setMessage( newVal.toString() );
}

void Account::slotStopSuppression()
{
    d->suppressStatusNotification = false;
    if(isConnected())
        d->connectionTry=0;
}

bool Account::suppressStatusNotification() const
{
    return d->suppressStatusNotification;
}

bool Account::removeAccount()
{
    //default implementation
    return true;
}


BlackLister* Account::blackLister()
{
    return d->blackList;
}

void Account::block( const QString &contactId )
{
    d->blackList->addContact( contactId );
}

void Account::unblock( const QString &contactId )
{
    d->blackList->removeContact( contactId );
}

bool Account::isBlocked( const QString &contactId )
{
    return d->blackList->isBlocked( contactId );
}

void Account::editAccount(QWidget *parent)
{
    QPointer <KDialog> editDialog = new KDialog( parent );
    editDialog->setCaption( i18n( "Edit Account" ) );
    editDialog->setButtons( KDialog::Ok | KDialog::Apply | KDialog::Cancel );

    KopeteEditAccountWidget *m_accountWidget = protocol()->createEditAccountWidget( this, editDialog );
    if ( !m_accountWidget )
    {
        delete editDialog;
        return;
    }
    // FIXME: Why the #### is EditAccountWidget not a QWidget?!? This sideways casting
    //        is braindead and error-prone. Looking at MSN the only reason I can see is
    //        because it allows direct subclassing of designer widgets. But what is
    //        wrong with embedding the designer widget in an empty QWidget instead?
    //        Also, if this REALLY has to be a pure class and not a widget, then the
    //        class should at least be renamed to EditAccountIface instead - Martijn
    QWidget *w = dynamic_cast<QWidget *>( m_accountWidget );
    if ( !w )
    {
        delete editDialog;
        return;
    }
    editDialog->setMainWidget( w );
    if ( editDialog->exec() == QDialog::Accepted )
    {
        if( editDialog && m_accountWidget->validateData() )
            m_accountWidget->apply();
    }

    delete editDialog;
}

void Account::setCustomIcon( const QString & i)
{
    d->customIcon = i;
    if(!i.isEmpty())
        d->configGroup->writeEntry( "Icon", i );
    else
        d->configGroup->deleteEntry( "Icon" );
    emit colorChanged( color() );
}

QString Account::customIcon()  const
{
    return d->customIcon;
}

} // END namespace Kopete

#include "kopeteaccount.moc"