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124 lines
3.4 KiB
C++
124 lines
3.4 KiB
C++
/* This file is part of the KDE project
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Copyright (C) 2004 Esben Mose Hansen <kde@mosehansen.dk>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "historyitem.h"
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#include <QtCore/QMap>
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#include <QtGui/QPixmap>
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#include <KDebug>
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#include "historystringitem.h"
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#include "historyimageitem.h"
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#include "historyurlitem.h"
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HistoryItem::HistoryItem(const QByteArray& uuid) : m_uuid(uuid) {
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}
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HistoryItem::~HistoryItem() {
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}
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HistoryItem* HistoryItem::create( const QMimeData* data )
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{
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#if 0
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int i=0;
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foreach ( QString format, data->formats() ) {
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kDebug() << "format(" << i++ <<"): " << format;
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}
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#endif
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if (KUrl::List::canDecode(data))
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{
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KUrl::MetaDataMap metaData;
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KUrl::List urls = KUrl::List::fromMimeData(data, &metaData);
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QByteArray bytes = data->data("application/x-kde-cutselection");
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bool cut = !bytes.isEmpty() && (bytes.at(0) == '1'); // true if 1
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return new HistoryURLItem(urls, metaData, cut);
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}
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if (data->hasText())
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{
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return new HistoryStringItem(data->text());
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}
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if (data->hasImage())
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{
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QImage image = qvariant_cast<QImage>(data->imageData());
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return new HistoryImageItem(QPixmap::fromImage(image));
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}
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return 0; // Failed.
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}
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HistoryItem* HistoryItem::create( QDataStream& dataStream ) {
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if ( dataStream.atEnd() ) {
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return 0;
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}
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QString type;
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dataStream >> type;
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if ( type == "url" ) {
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KUrl::List urls;
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QMap< QString, QString > metaData;
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int cut;
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dataStream >> urls;
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dataStream >> metaData;
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dataStream >> cut;
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return new HistoryURLItem( urls, metaData, cut );
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}
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if ( type == "string" ) {
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QString text;
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dataStream >> text;
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return new HistoryStringItem( text );
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}
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if ( type == "image" ) {
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QPixmap image;
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dataStream >> image;
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return new HistoryImageItem( image );
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}
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kWarning() << "Failed to restore history item: Unknown type \"" << type << "\"" ;
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return 0;
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}
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void HistoryItem::chain(HistoryItem* next)
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{
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m_next_uuid = next->uuid();
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next->m_previous_uuid = uuid();
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}
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void HistoryItem::insertBetweeen(HistoryItem* prev, HistoryItem* next)
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{
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if (prev && next) {
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prev->chain(this);
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chain(next);
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} else {
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Q_ASSERT(!prev && !next);
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// First item in chain
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m_next_uuid = m_uuid;
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m_previous_uuid = m_uuid;
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}
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#if 0 // Extra checks, if anyone ever needs them
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Q_ASSERT(prev->uuid() == m_previous_uuid);
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Q_ASSERT(prev->next_uuid() == m_uuid);
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Q_ASSERT(next->previous_uuid() == m_uuid);
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Q_ASSERT(next->uuid() == m_next_uuid);
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Q_ASSERT(prev->uuid() != uuid());
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Q_ASSERT(next->uuid() != uuid());
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#endif
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}
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