Added new playlist QML type.

Change-Id: I0788cc9719f427457ad0be9c9a5bfda00451a0c4
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>

1 files changed, 199 insertions, 0 deletions

diff --git a/src/imports/multimedia/qdeclarativeplaylist_p.h b/src/imports/multimedia/qdeclarativeplaylist_p.h
new file mode 100644
index 000000000..fd94135e6
--- /dev/null
+++ b/src/imports/multimedia/qdeclarativeplaylist_p.h
@@ -0,0 +1,199 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** 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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDECLARATIVEPLAYLIST_P_H
+#define QDECLARATIVEPLAYLIST_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/QAbstractListModel>
+#include <QtQml/qqmlparserstatus.h>
+#include <QtQml/qqml.h>
+
+#include <qmediaplaylist.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativePlaylistItem : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QUrl source READ source WRITE setSource)
+
+public:
+    QDeclarativePlaylistItem(QObject *parent = 0);
+
+    QUrl source() const;
+    void setSource(const QUrl &source);
+
+private:
+    QUrl m_source;
+};
+
+class QDeclarativePlaylist : public QAbstractListModel, public QQmlParserStatus
+{
+    Q_OBJECT
+    Q_PROPERTY(PlaybackMode playbackMode READ playbackMode WRITE setPlaybackMode NOTIFY playbackModeChanged)
+    Q_PROPERTY(QUrl currentItemSource READ currentItemSource NOTIFY currentItemSourceChanged)
+    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
+    Q_PROPERTY(int itemCount READ itemCount NOTIFY itemCountChanged)
+    Q_PROPERTY(bool readOnly READ readOnly NOTIFY readOnlyChanged)
+    Q_PROPERTY(Error error READ error NOTIFY errorChanged)
+    Q_PROPERTY(QString errorString READ errorString NOTIFY errorChanged)
+    Q_PROPERTY(QQmlListProperty<QDeclarativePlaylistItem> items READ items DESIGNABLE false)
+    Q_ENUMS(PlaybackMode)
+    Q_ENUMS(Error)
+    Q_INTERFACES(QQmlParserStatus)
+    Q_CLASSINFO("DefaultProperty", "items")
+
+public:
+    enum PlaybackMode
+    {
+        CurrentItemOnce = QMediaPlaylist::CurrentItemOnce,
+        CurrentItemInLoop = QMediaPlaylist::CurrentItemInLoop,
+        Sequential = QMediaPlaylist::Sequential,
+        Loop = QMediaPlaylist::Loop,
+        Random = QMediaPlaylist::Random
+    };
+    enum Error
+    {
+        NoError = QMediaPlaylist::NoError,
+        FormatError = QMediaPlaylist::FormatError,
+        FormatNotSupportedError = QMediaPlaylist::FormatNotSupportedError,
+        NetworkError = QMediaPlaylist::NetworkError,
+        AccessDeniedError = QMediaPlaylist::AccessDeniedError
+    };
+    enum Roles
+    {
+        SourceRole = Qt::UserRole + 1
+    };
+
+    QDeclarativePlaylist(QObject *parent = 0);
+    ~QDeclarativePlaylist();
+
+    PlaybackMode playbackMode() const;
+    void setPlaybackMode(PlaybackMode playbackMode);
+    QUrl currentItemSource() const;
+    int currentIndex() const;
+    void setCurrentIndex(int currentIndex);
+    int itemCount() const;
+    bool readOnly() const;
+    Error error() const;
+    QString errorString() const;
+    QMediaPlaylist *mediaPlaylist() const { return m_playlist; }
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    QHash<int, QByteArray> roleNames() const;
+
+    void classBegin();
+    void componentComplete();
+
+    QQmlListProperty<QDeclarativePlaylistItem> items() {
+        return QQmlListProperty<QDeclarativePlaylistItem>(
+            this, 0, item_append, item_count, 0, item_clear);
+    }
+    static void item_append(QQmlListProperty<QDeclarativePlaylistItem> *list,
+                            QDeclarativePlaylistItem* item) {
+        static_cast<QDeclarativePlaylist*>(list->object)->addItem(item->source());
+    }
+    static int item_count(QQmlListProperty<QDeclarativePlaylistItem> *list) {
+        return static_cast<QDeclarativePlaylist*>(list->object)->itemCount();
+    }
+    static void item_clear(QQmlListProperty<QDeclarativePlaylistItem> *list) {
+        static_cast<QDeclarativePlaylist*>(list->object)->clear();
+    }
+
+public Q_SLOTS:
+    QUrl itemSource(int index);
+    int nextIndex(int steps = 1);
+    int previousIndex(int steps = 1);
+    void next();
+    void previous();
+    void shuffle();
+    void load(const QUrl &location, const QString &format = QString());
+    bool save(const QUrl &location, const QString &format = QString());
+    bool addItem(const QUrl &source);
+    bool insertItem(int index, const QUrl &source);
+    bool removeItem(int index);
+    bool clear();
+
+Q_SIGNALS:
+    void playbackModeChanged();
+    void currentItemSourceChanged();
+    void currentIndexChanged();
+    void itemCountChanged();
+    void readOnlyChanged();
+    void errorChanged();
+
+    void itemAboutToBeInserted(int start, int end);
+    void itemInserted(int start, int end);
+    void itemAboutToBeRemoved(int start, int end);
+    void itemRemoved(int start, int end);
+    void itemChanged(int start, int end);
+    void loaded();
+    void loadFailed();
+
+    void error(QDeclarativePlaylist::Error error, const QString &errorString);
+
+private Q_SLOTS:
+    void _q_mediaAboutToBeInserted(int start, int end);
+    void _q_mediaInserted(int start, int end);
+    void _q_mediaAboutToBeRemoved(int start, int end);
+    void _q_mediaRemoved(int start, int end);
+    void _q_mediaChanged(int start, int end);
+    void _q_loadFailed();
+
+private:
+    Q_DISABLE_COPY(QDeclarativePlaylist)
+
+    QMediaPlaylist *m_playlist;
+    QString m_errorString;
+    QMediaPlaylist::Error m_error;
+    bool m_readOnly;
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QT_PREPEND_NAMESPACE(QDeclarativePlaylistItem))
+QML_DECLARE_TYPE(QT_PREPEND_NAMESPACE(QDeclarativePlaylist))
+
+#endif