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-rw-r--r--examples/player/playlistmodel.cpp159
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diff --git a/examples/player/playlistmodel.cpp b/examples/player/playlistmodel.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** You may use this file under the terms of the BSD license as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
-** the names of its contributors may be used to endorse or promote
-** products derived from this software without specific prior written
-** permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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));
-}
-
-