src/strategies/justintime.cpp

0001 /***************************************************************************
0002  *   Copyright (C) 2018 by Emmanuel Lepage Vallee                          *
0003  *   Author : Emmanuel Lepage Vallee <emmanuel.lepage@kde.org>             *
0004  *                                                                         *
0005  *   This program is free software; you can redistribute it and/or modify  *
0006  *   it under the terms of the GNU General Public License as published by  *
0007  *   the Free Software Foundation; either version 3 of the License, or     *
0008  *   (at your option) any later version.                                   *
0009  *                                                                         *
0010  *   This program is distributed in the hope that it will be useful,       *
0011  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0012  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0013  *   GNU General Public License for more details.                          *
0014  *                                                                         *
0015  *   You should have received a copy of the GNU General Public License     *
0016  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
0017  **************************************************************************/
0018 #include "justintime.h"
0019
0020 #include <adapters/abstractitemadapter.h>
0021 #include <private/statetracker/viewitem_p.h>
0022
0023 GeometryStrategies::JustInTime::JustInTime(Viewport *parent) : GeometryAdapter(parent)
0024 {
0025     setCapabilities(Capabilities::TRACKS_QQUICKITEM_GEOMETRY);
0026 }
0027
0028 GeometryStrategies::JustInTime::~JustInTime()
0029 {}
0030
0031 QSizeF GeometryStrategies::JustInTime::sizeHint(const QModelIndex &index, AbstractItemAdapter *adapter) const
0032 {
0033     Q_UNUSED(index)
0034     Q_ASSERT(adapter);
0035
0036     if (adapter)
0037         return adapter->s_ptr->currentGeometry().size();
0038
0039     // JIT cannot be used past the loaded bounds, the value isn't known
0040     Q_ASSERT(false);
0041     return {};
0042 }