Moved demo(s) to examples.

Demos are no longer part of QT_BUILD_PARTS, so any demos must be moved
to examples to be build. So far that means the player demo.

Change-Id: I92641be38accb1c1b723009f1004c63f59ec8266
Reviewed-on: http://codereview.qt.nokia.com/1470
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>

examples/player/playercontrols.h

@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** 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.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef PLAYERCONTROLS_H
+#define PLAYERCONTROLS_H
+
+#include <qmediaplayer.h>
+
+#include <QtGui/qwidget.h>
+
+QT_BEGIN_NAMESPACE
+class QAbstractButton;
+class QAbstractSlider;
+class QComboBox;
+QT_END_NAMESPACE
+
+QT_USE_NAMESPACE
+
+class PlayerControls : public QWidget
+{
+    Q_OBJECT
+public:
+    PlayerControls(QWidget *parent = 0);
+
+    QMediaPlayer::State state() const;
+
+    int volume() const;
+    bool isMuted() const;
+    qreal playbackRate() const;
+
+public slots:
+    void setState(QMediaPlayer::State state);
+    void setVolume(int volume);
+    void setMuted(bool muted);
+    void setPlaybackRate(float rate);
+
+signals:
+    void play();
+    void pause();
+    void stop();
+    void next();
+    void previous();
+    void changeVolume(int volume);
+    void changeMuting(bool muting);
+    void changeRate(qreal rate);
+
+private slots:
+    void playClicked();
+    void muteClicked();
+    void updateRate();
+
+private:
+    QMediaPlayer::State playerState;
+    bool playerMuted;
+    QAbstractButton *playButton;
+    QAbstractButton *stopButton;
+    QAbstractButton *nextButton;
+    QAbstractButton *previousButton;
+    QAbstractButton *muteButton;
+    QAbstractSlider *volumeSlider;
+    QComboBox *rateBox;
+};
+
+#endif