File: mediacontrols.cpp

package info (click to toggle)
kio-extras 4%3A16.08.3-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 2,720 kB
  • ctags: 3,303
  • sloc: cpp: 26,172; ansic: 5,034; perl: 1,056; xml: 460; python: 28; sh: 20; makefile: 6
file content (138 lines) | stat: -rw-r--r-- 3,920 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/*  This file is part of the KDE project
    Copyright (C) 2006-2007 Matthias Kretz <kretz@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.

*/

#include "mediacontrols.h"
#include "mediacontrols_p.h"

#include <phonon/mediaobject.h>
#include <phonon/audiooutput.h>
#include <QBoxLayout>
#include <QToolButton>
#include <phonon/seekslider.h>
#include <phonon/volumeslider.h>

namespace Phonon
{

MediaControls::MediaControls(QWidget *parent)
    : QWidget(parent),
      d_ptr(new MediaControlsPrivate(this))
{
    setMaximumHeight(32);
}

MediaControls::~MediaControls()
{
    delete d_ptr;
}

bool MediaControls::isSeekSliderVisible() const
{
    Q_D(const MediaControls);
    return d->seekSlider.isVisible();
}

bool MediaControls::isVolumeControlVisible() const
{
    Q_D(const MediaControls);
    return d->volumeSlider.isVisible();
}

void MediaControls::setMediaObject(MediaObject *media)
{
    Q_D(MediaControls);
    if (d->media) {
        disconnect(d->media, SIGNAL(destroyed()), this, SLOT(_k_mediaDestroyed()));
        disconnect(d->media, SIGNAL(stateChanged(Phonon::State,Phonon::State)), this,
                   SLOT(_k_stateChanged(Phonon::State,Phonon::State)));
        disconnect(&d->playButton, SIGNAL(clicked()), d->media, SLOT(play()));
        disconnect(&d->pauseButton, SIGNAL(clicked()), d->media, SLOT(pause()));
    }
    d->media = media;
    if (media) {
        connect(media, SIGNAL(destroyed()), SLOT(_k_mediaDestroyed()));
        connect(media, SIGNAL(stateChanged(Phonon::State,Phonon::State)),
                SLOT(_k_stateChanged(Phonon::State,Phonon::State)));
        connect(&d->playButton, SIGNAL(clicked()), media, SLOT(play()));
        connect(&d->pauseButton, SIGNAL(clicked()), media, SLOT(pause()));
    }

    d->seekSlider.setMediaObject(media);
}

void MediaControls::setAudioOutput(AudioOutput *audioOutput)
{
    Q_D(MediaControls);
    d->volumeSlider.setAudioOutput(audioOutput);
    d->updateVolumeSliderVisibility();
    d->volumeSlider.setVisible(audioOutput != 0);
}

void MediaControls::setSeekSliderVisible(bool vis)
{
    Q_D(MediaControls);
    d->seekSlider.setVisible(vis);
}

void MediaControls::setVolumeControlVisible(bool vis)
{
    Q_D(MediaControls);
    d->volumeSlider.setVisible(vis);
}

void MediaControls::resizeEvent(QResizeEvent *)
{
    Q_D(MediaControls);
    d->updateVolumeSliderVisibility();
}

void MediaControlsPrivate::updateVolumeSliderVisibility()
{
    bool isWide = q_ptr->width() > playButton.sizeHint().width() + seekSlider.sizeHint().width() + volumeSlider.sizeHint().width();
    bool hasAudio = volumeSlider.audioOutput() != 0;
    volumeSlider.setVisible(isWide && hasAudio);
}

void MediaControlsPrivate::_k_stateChanged(State newstate, State)
{
    switch (newstate) {
    case Phonon::LoadingState:
    case Phonon::PausedState:
    case Phonon::StoppedState:
        playButton.show();
        pauseButton.hide();
        break;
    case Phonon::BufferingState:
    case Phonon::PlayingState:
        playButton.hide();
        pauseButton.show();
        break;
    case Phonon::ErrorState:
        return;
    }
}

void MediaControlsPrivate::_k_mediaDestroyed()
{
    media = 0;
}

} // namespace Phonon

#include "moc_mediacontrols.cpp"