--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/multimedia/wmp/qwmpplaylist.cpp Wed Aug 25 15:49:42 2010 +0300
@@ -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();
+ }
+}