1 files changed, 296 insertions, 0 deletions
diff --git a/src/plugins/wmp/qwmpplaylist.cpp b/src/plugins/wmp/qwmpplaylist.cpp
new file mode 100644
index 000000000..10ce753b1
--- /dev/null
+++ b/src/plugins/wmp/qwmpplaylist.cpp
@@ -0,0 +1,296 @@
+/****************************************************************************
+**
+** 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 Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 "qwmpplaylist.h"
+
+#include "qwmpevents.h"
+#include "qwmpmetadata.h"
+#include "qwmpglobal.h"
+
+#include <QtCore/qstringlist.h>
+#include <QtCore/qurl.h>
+#include <QtCore/qvariant.h>
+
+QWmpPlaylist::QWmpPlaylist(IWMPCore3 *player, QWmpEvents *events, QObject *parent)
+    : QMediaPlaylistProvider(parent)
+    , m_player(player)
+    , m_playlist(0)
+    , m_count(0)
+{
+    if (m_player && m_player->get_currentPlaylist(&m_playlist) == S_OK)
+        m_playlist->get_count(&m_count);
+
+    connect(events, SIGNAL(CurrentPlaylistChange(WMPPlaylistChangeEventType)),
+            this, SLOT(currentPlaylistChangeEvent(WMPPlaylistChangeEventType)));
+    connect(events, SIGNAL(OpenPlaylistSwitch(IDispatch*)),
+            this, SLOT(openPlaylistChangeEvent(IDispatch*)));
+    connect(events, SIGNAL(MediaChange(IDispatch*)), this, SLOT(mediaChangeEvent(IDispatch*)));
+}
+
+QWmpPlaylist::~QWmpPlaylist()
+{
+    if (m_playlist)
+        m_playlist->Release();
+}
+
+bool QWmpPlaylist::load(const QString &location, const char *format)
+{
+    Q_UNUSED(location);
+    Q_UNUSED(format);
+
+    return false;
+}
+
+bool QWmpPlaylist::load(QIODevice * device, const char *format)
+{
+    Q_UNUSED(device);
+    Q_UNUSED(format);
+
+    return false;
+}
+
+bool QWmpPlaylist::save(const QString &location, const char *format)
+{
+    Q_UNUSED(location);
+    Q_UNUSED(format);
+
+    return false;
+}
+
+bool QWmpPlaylist::save(QIODevice * device, const char *format)
+{
+    Q_UNUSED(device);
+    Q_UNUSED(format);
+
+    return false;
+}
+
+int QWmpPlaylist::mediaCount() const
+{
+    return m_count;
+}
+
+QMediaContent QWmpPlaylist::media(int pos) const
+{
+    QMediaContent content;
+
+    IWMPMedia *media = 0;
+    if (m_playlist && m_playlist->get_item(pos, &media) == S_OK) {
+        content = QWmpMetaData::resources(media);
+
+        media->Release();
+    }
+
+    return content;
+}
+
+bool QWmpPlaylist::isReadOnly() const
+{
+    return false;
+}
+
+bool QWmpPlaylist::addMedia(const QMediaContent &content)
+{
+    bool appended = false;
+
+    IWMPMedia *media = 0;
+    if (!content.isNull() && m_playlist && m_player && m_player->newMedia(
+            QAutoBStr(content.canonicalUrl()), &media) == S_OK) {
+        appended = m_playlist->appendItem(media) == S_OK;
+
+        media->Release();
+    }
+
+    return appended;
+}
+
+bool QWmpPlaylist::insertMedia(int pos, const QMediaContent &content)
+{
+    bool inserted = false;
+
+    IWMPMedia *media = 0;
+    if (m_playlist && m_player && m_player->newMedia(
+            QAutoBStr(content.canonicalUrl()), &media) == S_OK) {
+        inserted = m_playlist->insertItem(pos, media) == S_OK;
+
+        media->Release();
+    }
+
+    return inserted;
+}
+
+bool QWmpPlaylist::removeMedia(int pos)
+{
+    IWMPMedia *media = 0;
+    if (m_playlist->get_item(pos, &media) == S_OK) {
+        bool removed = m_playlist->removeItem(media) == S_OK;
+
+        media->Release();
+
+        return removed;
+    } else {
+        return false;
+    }
+}
+
+bool QWmpPlaylist::removeMedia(int start, int end)
+{
+    if (!m_playlist)
+        return false;
+
+    for (int i = start; i <= end; ++i) {
+        IWMPMedia *media = 0;
+        if (m_playlist->get_item(start, &media) == S_OK) {
+            bool removed = m_playlist->removeItem(media) == S_OK;
+
+            media->Release();
+
+            if (!removed)
+                return false;
+        }
+    }
+    return true;
+}
+
+bool QWmpPlaylist::clear()
+{
+    return m_playlist && m_playlist->clear() == S_OK;
+}
+
+QStringList QWmpPlaylist::keys(int index) const
+{
+    QStringList keys;
+
+    IWMPMedia *media = 0;
+    if (m_playlist && m_playlist->get_item(index, &media) == S_OK) {
+        keys = QWmpMetaData::keys(media);
+
+        media->Release();
+    }
+
+    return keys;
+}
+
+QVariant QWmpPlaylist::value(int index, const QString &key) const
+{
+    QVariant v;
+    
+    IWMPMedia *media = 0;
+    if (m_playlist && m_playlist->get_item(index, &media) == S_OK) {
+        v = QWmpMetaData::value(media, QAutoBStr(key));
+
+        media->Release();
+    }
+
+    return v;
+}
+
+void QWmpPlaylist::shuffle()
+{
+}
+
+
+void QWmpPlaylist::currentPlaylistChangeEvent(WMPPlaylistChangeEventType change)
+{
+    Q_UNUSED(change);
+
+    long count = 0;
+    if (m_playlist && m_playlist->get_count(&count) == S_OK && count > 0) {
+        if (count > m_count) {
+            emit mediaAboutToBeInserted(m_count, count - 1);
+            m_count = count;
+            emit mediaInserted(count, m_count - 1);
+        } else if (count < m_count) {
+            emit mediaAboutToBeRemoved(count, m_count - 1);
+            m_count = count;
+            emit mediaRemoved(count, m_count - 1);
+        }
+    }
+    if (m_count > 0)
+        emit mediaChanged(0, m_count - 1);
+}
+
+void QWmpPlaylist::openPlaylistChangeEvent(IDispatch *dispatch)
+{
+    if (m_playlist && m_count > 0) {
+        emit mediaAboutToBeRemoved(0, m_count - 1);
+        m_playlist->Release();
+        m_playlist = 0;
+        m_count = 0;
+        emit mediaRemoved(0, m_count - 1);
+    } else if (m_playlist) {
+        m_playlist->Release();
+        m_playlist = 0;
+    }
+
+    IWMPPlaylist *playlist = 0;
+    if (dispatch && dispatch->QueryInterface(
+            __uuidof(IWMPPlaylist), reinterpret_cast<void **>(&playlist))) {
+
+        long count = 0;
+        if (playlist->get_count(&count) == S_OK && count > 0) {
+            emit mediaAboutToBeInserted(0, count - 1);
+            m_playlist = playlist;
+            m_count = count;
+            emit mediaInserted(0, count - 1);
+        } else {
+            m_playlist = playlist;
+        }
+    }
+}
+
+void QWmpPlaylist::mediaChangeEvent(IDispatch *dispatch)
+{
+
+    IWMPMedia *media = 0;
+    if (dispatch &&  dispatch->QueryInterface(
+            __uuidof(IWMPMedia), reinterpret_cast<void **>(&media)) == S_OK) {
+        VARIANT_BOOL isMember = VARIANT_FALSE;
+
+        if (media->isMemberOf(m_playlist, &isMember) == S_OK && isMember) {
+            int index = QWmpMetaData::value(media, QAutoBStr(L"PlaylistIndex")).toInt();
+
+            if (index >= 0)
+                emit mediaChanged(index, index);
+        }
+        media->Release();
+    }
+}