1*4882a593Smuzhiyun /****************************************************************************
2*4882a593Smuzhiyun **
3*4882a593Smuzhiyun ** Copyright (C) 2015 The Qt Company Ltd.
4*4882a593Smuzhiyun ** Contact: http://www.qt.io/licensing/
5*4882a593Smuzhiyun **
6*4882a593Smuzhiyun ** This file is part of the examples of the Qt Toolkit.
7*4882a593Smuzhiyun **
8*4882a593Smuzhiyun ** $QT_BEGIN_LICENSE:BSD$
9*4882a593Smuzhiyun ** You may use this file under the terms of the BSD license as follows:
10*4882a593Smuzhiyun **
11*4882a593Smuzhiyun ** "Redistribution and use in source and binary forms, with or without
12*4882a593Smuzhiyun ** modification, are permitted provided that the following conditions are
13*4882a593Smuzhiyun ** met:
14*4882a593Smuzhiyun ** * Redistributions of source code must retain the above copyright
15*4882a593Smuzhiyun ** notice, this list of conditions and the following disclaimer.
16*4882a593Smuzhiyun ** * Redistributions in binary form must reproduce the above copyright
17*4882a593Smuzhiyun ** notice, this list of conditions and the following disclaimer in
18*4882a593Smuzhiyun ** the documentation and/or other materials provided with the
19*4882a593Smuzhiyun ** distribution.
20*4882a593Smuzhiyun ** * Neither the name of The Qt Company Ltd nor the names of its
21*4882a593Smuzhiyun ** contributors may be used to endorse or promote products derived
22*4882a593Smuzhiyun ** from this software without specific prior written permission.
23*4882a593Smuzhiyun **
24*4882a593Smuzhiyun **
25*4882a593Smuzhiyun ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26*4882a593Smuzhiyun ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27*4882a593Smuzhiyun ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28*4882a593Smuzhiyun ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29*4882a593Smuzhiyun ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30*4882a593Smuzhiyun ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31*4882a593Smuzhiyun ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32*4882a593Smuzhiyun ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33*4882a593Smuzhiyun ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34*4882a593Smuzhiyun ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35*4882a593Smuzhiyun ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
36*4882a593Smuzhiyun **
37*4882a593Smuzhiyun ** $QT_END_LICENSE$
38*4882a593Smuzhiyun **
39*4882a593Smuzhiyun ****************************************************************************/
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun #ifndef MUSICPLAYER_H
42*4882a593Smuzhiyun #define MUSICPLAYER_H
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun #include <QWidget>
45*4882a593Smuzhiyun #include <QMediaPlayer>
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun class VolumeButton;
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun QT_FORWARD_DECLARE_CLASS(QLabel)
QT_FORWARD_DECLARE_CLASS(QSlider)50*4882a593Smuzhiyun QT_FORWARD_DECLARE_CLASS(QSlider)
51*4882a593Smuzhiyun QT_FORWARD_DECLARE_CLASS(QAbstractButton)
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun class MusicPlayer : public QWidget
54*4882a593Smuzhiyun {
55*4882a593Smuzhiyun Q_OBJECT
56*4882a593Smuzhiyun public:
57*4882a593Smuzhiyun explicit MusicPlayer(QWidget *parent = nullptr);
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun static QStringList supportedMimeTypes();
60*4882a593Smuzhiyun static QStringList supportedSuffixes();
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun public slots:
63*4882a593Smuzhiyun void openFile();
64*4882a593Smuzhiyun void playUrl(const QUrl& url);
65*4882a593Smuzhiyun void togglePlayback();
66*4882a593Smuzhiyun void seekForward();
67*4882a593Smuzhiyun void seekBackward();
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun protected:
70*4882a593Smuzhiyun bool event(QEvent *event) override;
71*4882a593Smuzhiyun void dragEnterEvent(QDragEnterEvent *event) override;
72*4882a593Smuzhiyun void dropEvent(QDropEvent *event) override;
73*4882a593Smuzhiyun void mousePressEvent(QMouseEvent *event) override;
74*4882a593Smuzhiyun void mouseMoveEvent(QMouseEvent *event) override;
75*4882a593Smuzhiyun void mouseReleaseEvent(QMouseEvent *event) override;
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun private slots:
78*4882a593Smuzhiyun void updateState(QMediaPlayer::State state);
79*4882a593Smuzhiyun void updatePosition(qint64 position);
80*4882a593Smuzhiyun void updateDuration(qint64 duration);
81*4882a593Smuzhiyun void setPosition(int position);
82*4882a593Smuzhiyun void updateInfo();
83*4882a593Smuzhiyun void handleError();
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun private:
86*4882a593Smuzhiyun void createWidgets();
87*4882a593Smuzhiyun void createShortcuts();
88*4882a593Smuzhiyun void createJumpList();
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun QMediaPlayer mediaPlayer;
91*4882a593Smuzhiyun QAbstractButton *playButton = nullptr;
92*4882a593Smuzhiyun VolumeButton *volumeButton = nullptr;
93*4882a593Smuzhiyun QSlider *positionSlider = nullptr;
94*4882a593Smuzhiyun QLabel *positionLabel = nullptr;
95*4882a593Smuzhiyun QLabel *infoLabel = nullptr;
96*4882a593Smuzhiyun QPoint offset;
97*4882a593Smuzhiyun QString fileName;
98*4882a593Smuzhiyun };
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun #endif // MUSICPLAYER_H
101