/********************************************************************
 KWin - the KDE window manager
 This file is part of the KDE project.

Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>

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 2 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/>.
*********************************************************************/

#include "deleted.h"

#include "workspace.h"
#include "client.h"
#include "effects.h"

namespace KWin
{

Deleted::Deleted( Workspace* ws )
    : Toplevel( ws )
    , delete_refcount( 1 )
    , no_border( true )
    , padding_left( 0 )
    , padding_top( 0 )
    , padding_right( 0 )
    , padding_bottom( 0 )
    {
    }

Deleted::~Deleted()
    {
    if( delete_refcount != 0 )
        kError(1212) << "Deleted client has non-zero reference count (" << delete_refcount << ")";
    assert( delete_refcount == 0 );
    workspace()->removeDeleted( this, Allowed );
    deleteEffectWindow();
    }

Deleted* Deleted::create( Toplevel* c )
    {
    Deleted* d = new Deleted( c->workspace());
    d->copyToDeleted( c );
    d->workspace()->addDeleted( d, Allowed );
    return d;
    }

// to be used only from Workspace::finishCompositing()
void Deleted::discard( allowed_t )
    {
    delete_refcount = 0;
    delete this;
    }

void Deleted::copyToDeleted( Toplevel* c )
    {
    assert( dynamic_cast< Deleted* >( c ) == NULL );
    Toplevel::copyToDeleted( c );
    desk = c->desktop();
    activityList = c->activities();
    contentsRect = QRect( c->clientPos(), c->clientSize());
    transparent_rect = c->transparentRect();
    if( WinInfo* cinfo = dynamic_cast< WinInfo* >( info ))
        cinfo->disable();
    Client* client = dynamic_cast<Client*>(c);
    if( client )
        {
        no_border = client->noBorder();
        padding_left = client->paddingLeft();
        padding_right = client->paddingRight();
        padding_bottom = client->paddingBottom();
        padding_top = client->paddingTop();
        if( !no_border )
            {
            client->layoutDecorationRects(decoration_left,
                                          decoration_top,
                                          decoration_right,
                                          decoration_bottom,
                                          Client::WindowRelative);
            decorationPixmapLeft = *client->leftDecoPixmap();
            decorationPixmapRight = *client->rightDecoPixmap();
            decorationPixmapTop = *client->topDecoPixmap();
            decorationPixmapBottom = *client->bottomDecoPixmap();
            }
        }
    }

void Deleted::unrefWindow( bool delay )
    {
    if( --delete_refcount > 0 )
        return;
    // needs to be delayed when calling from effects, otherwise it'd be rather
    // complicated to handle the case of the window going away during a painting pass
    if( delay )
        deleteLater();
    else
        delete this;
    }

int Deleted::desktop() const
    {
    return desk;
    }

QStringList Deleted::activities() const
    {
    return activityList;
    }

QPoint Deleted::clientPos() const
    {
    return contentsRect.topLeft();
    }

QSize Deleted::clientSize() const
    {
    return contentsRect.size();
    }

void Deleted::debug( kdbgstream& stream ) const
    {
    stream << "\'ID:" << window() << "\' (deleted)";
    }

void Deleted::layoutDecorationRects(QRect& left, QRect& top, QRect& right, QRect& bottom) const
    {
    left = decoration_left;
    top = decoration_top;
    right = decoration_right;
    bottom = decoration_bottom;
    }

QRect Deleted::decorationRect() const
    {
    return rect().adjusted(-padding_left, -padding_top, padding_top, padding_bottom);
    }

QRect Deleted::transparentRect() const
    {
    return transparent_rect;
    }

} // namespace

#include "deleted.moc"
