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Diffstat (limited to 'demos/multimedia/player/playlistmodel.cpp')
-rw-r--r-- | demos/multimedia/player/playlistmodel.cpp | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/demos/multimedia/player/playlistmodel.cpp b/demos/multimedia/player/playlistmodel.cpp deleted file mode 100644 index b60f914..0000000 --- a/demos/multimedia/player/playlistmodel.cpp +++ /dev/null @@ -1,160 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the demonstration applications of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "playlistmodel.h" - -#include <QtCore/qfileinfo.h> -#include <QtCore/qurl.h> - -#include <qmediaplaylist.h> - -PlaylistModel::PlaylistModel(QObject *parent) - : QAbstractItemModel(parent) - , m_playlist(0) -{ -} - -int PlaylistModel::rowCount(const QModelIndex &parent) const -{ - return m_playlist && !parent.isValid() ? m_playlist->mediaCount() : 0; -} - -int PlaylistModel::columnCount(const QModelIndex &parent) const -{ - return !parent.isValid() ? ColumnCount : 0; -} - -QModelIndex PlaylistModel::index(int row, int column, const QModelIndex &parent) const -{ - return m_playlist && !parent.isValid() - && row >= 0 && row < m_playlist->mediaCount() - && column >= 0 && column < ColumnCount - ? createIndex(row, column) - : QModelIndex(); -} - -QModelIndex PlaylistModel::parent(const QModelIndex &child) const -{ - Q_UNUSED(child); - - return QModelIndex(); -} - -QVariant PlaylistModel::data(const QModelIndex &index, int role) const -{ - if (index.isValid() && role == Qt::DisplayRole) { - QVariant value = m_data[index]; - if (!value.isValid() && index.column() == Title) { - QUrl location = m_playlist->media(index.row()).canonicalUrl(); - return QFileInfo(location.path()).fileName(); - } - - return value; - } - return QVariant(); -} - -QMediaPlaylist *PlaylistModel::playlist() const -{ - return m_playlist; -} - -void PlaylistModel::setPlaylist(QMediaPlaylist *playlist) -{ - if (m_playlist) { - disconnect(m_playlist, SIGNAL(mediaAboutToBeInserted(int,int)), this, SLOT(beginInsertItems(int,int))); - disconnect(m_playlist, SIGNAL(mediaInserted(int,int)), this, SLOT(endInsertItems())); - disconnect(m_playlist, SIGNAL(mediaAboutToBeRemoved(int,int)), this, SLOT(beginRemoveItems(int,int))); - disconnect(m_playlist, SIGNAL(mediaRemoved(int,int)), this, SLOT(endRemoveItems())); - disconnect(m_playlist, SIGNAL(mediaChanged(int,int)), this, SLOT(changeItems(int,int))); - } - - m_playlist = playlist; - - if (m_playlist) { - connect(m_playlist, SIGNAL(mediaAboutToBeInserted(int,int)), this, SLOT(beginInsertItems(int,int))); - connect(m_playlist, SIGNAL(mediaInserted(int,int)), this, SLOT(endInsertItems())); - connect(m_playlist, SIGNAL(mediaAboutToBeRemoved(int,int)), this, SLOT(beginRemoveItems(int,int))); - connect(m_playlist, SIGNAL(mediaRemoved(int,int)), this, SLOT(endRemoveItems())); - connect(m_playlist, SIGNAL(mediaChanged(int,int)), this, SLOT(changeItems(int,int))); - } - - - reset(); -} - -bool PlaylistModel::setData(const QModelIndex &index, const QVariant &value, int role) -{ - Q_UNUSED(role); - m_data[index] = value; - emit dataChanged(index, index); - return true; -} - -void PlaylistModel::beginInsertItems(int start, int end) -{ - m_data.clear(); - beginInsertRows(QModelIndex(), start, end); -} - -void PlaylistModel::endInsertItems() -{ - endInsertRows(); -} - -void PlaylistModel::beginRemoveItems(int start, int end) -{ - m_data.clear(); - beginRemoveRows(QModelIndex(), start, end); -} - -void PlaylistModel::endRemoveItems() -{ - endInsertRows(); -} - -void PlaylistModel::changeItems(int start, int end) -{ - m_data.clear(); - emit dataChanged(index(start,0), index(end,ColumnCount)); -} - - |