tdesktop/Telegram/SourceFiles/media/player/media_player_widget.cpp

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
#include "media/player/media_player_widget.h"
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#include "platform/platform_specific.h"
#include "data/data_document.h"
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#include "data/data_session.h"
#include "data/data_peer.h"
#include "ui/widgets/labels.h"
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#include "ui/widgets/continuous_sliders.h"
#include "ui/widgets/shadow.h"
#include "ui/widgets/buttons.h"
#include "ui/effects/ripple_animation.h"
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#include "lang/lang_keys.h"
#include "media/audio/media_audio.h"
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#include "media/view/media_view_playback_progress.h"
#include "media/player/media_player_button.h"
#include "media/player/media_player_instance.h"
#include "media/player/media_player_volume_controller.h"
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#include "styles/style_media_player.h"
#include "styles/style_mediaview.h"
#include "history/history_item.h"
#include "storage/localstorage.h"
#include "layout.h"
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#include "main/main_session.h"
#include "facades.h"
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namespace Media {
namespace Player {
using ButtonState = PlayButtonLayout::State;
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class Widget::PlayButton : public Ui::RippleButton {
public:
PlayButton(QWidget *parent);
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void setState(PlayButtonLayout::State state) {
_layout.setState(state);
}
void finishTransform() {
_layout.finishTransform();
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}
protected:
void paintEvent(QPaintEvent *e) override;
QImage prepareRippleMask() const override;
QPoint prepareRippleStartPosition() const override;
private:
PlayButtonLayout _layout;
};
Widget::PlayButton::PlayButton(QWidget *parent) : Ui::RippleButton(parent, st::mediaPlayerButton.ripple)
, _layout(st::mediaPlayerButton, [this] { update(); }) {
resize(st::mediaPlayerButtonSize);
setCursor(style::cur_pointer);
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}
void Widget::PlayButton::paintEvent(QPaintEvent *e) {
Painter p(this);
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paintRipple(p, st::mediaPlayerButton.rippleAreaPosition.x(), st::mediaPlayerButton.rippleAreaPosition.y());
p.translate(st::mediaPlayerButtonPosition.x(), st::mediaPlayerButtonPosition.y());
_layout.paint(p, st::mediaPlayerActiveFg);
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}
QImage Widget::PlayButton::prepareRippleMask() const {
auto size = QSize(st::mediaPlayerButton.rippleAreaSize, st::mediaPlayerButton.rippleAreaSize);
return Ui::RippleAnimation::ellipseMask(size);
}
QPoint Widget::PlayButton::prepareRippleStartPosition() const {
return QPoint(mapFromGlobal(QCursor::pos()) - st::mediaPlayerButton.rippleAreaPosition);
}
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Widget::Widget(QWidget *parent) : RpWidget(parent)
, _nameLabel(this, st::mediaPlayerName)
, _timeLabel(this, st::mediaPlayerTime)
, _playPause(this)
, _volumeToggle(this, st::mediaPlayerVolumeToggle)
, _repeatTrack(this, st::mediaPlayerRepeatButton)
, _playbackSpeed(this, st::mediaPlayerSpeedButton)
, _close(this, st::mediaPlayerClose)
, _shadow(this)
, _playbackSlider(this, st::mediaPlayerPlayback)
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, _playbackProgress(std::make_unique<View::PlaybackProgress>()) {
setAttribute(Qt::WA_OpaquePaintEvent);
setMouseTracking(true);
resize(width(), st::mediaPlayerHeight + st::lineWidth);
_nameLabel->setAttribute(Qt::WA_TransparentForMouseEvents);
_timeLabel->setAttribute(Qt::WA_TransparentForMouseEvents);
_playbackProgress->setInLoadingStateChangedCallback([=](bool loading) {
_playbackSlider->setDisabled(loading);
});
_playbackProgress->setValueChangedCallback([=](float64 value, float64) {
_playbackSlider->setValue(value);
});
_playbackSlider->setChangeProgressCallback([=](float64 value) {
if (_type != AudioMsgId::Type::Song) {
return; // Round video seek is not supported for now :(
}
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_playbackProgress->setValue(value, false);
handleSeekProgress(value);
});
_playbackSlider->setChangeFinishedCallback([=](float64 value) {
if (_type != AudioMsgId::Type::Song) {
return; // Round video seek is not supported for now :(
}
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_playbackProgress->setValue(value, false);
handleSeekFinished(value);
});
_playPause->setClickedCallback([=] {
instance()->playPauseCancelClicked(_type);
});
updateVolumeToggleIcon();
_volumeToggle->setClickedCallback([=] {
Global::SetSongVolume((Global::SongVolume() > 0) ? 0. : Global::RememberedSongVolume());
mixer()->setSongVolume(Global::SongVolume());
Global::RefSongVolumeChanged().notify();
});
subscribe(Global::RefSongVolumeChanged(), [this] { updateVolumeToggleIcon(); });
updateRepeatTrackIcon();
_repeatTrack->setClickedCallback([=] {
instance()->toggleRepeat(AudioMsgId::Type::Song);
});
updatePlaybackSpeedIcon();
_playbackSpeed->setClickedCallback([=] {
const auto doubled = !Global::VoiceMsgPlaybackDoubled();
Global::SetVoiceMsgPlaybackDoubled(doubled);
instance()->updateVoicePlaybackSpeed();
updatePlaybackSpeedIcon();
Local::writeUserSettings();
});
subscribe(instance()->repeatChangedNotifier(), [this](AudioMsgId::Type type) {
if (type == _type) {
updateRepeatTrackIcon();
}
});
subscribe(instance()->trackChangedNotifier(), [this](AudioMsgId::Type type) {
if (type == _type) {
handleSongChange();
}
});
subscribe(instance()->tracksFinishedNotifier(), [this](AudioMsgId::Type type) {
if (type == AudioMsgId::Type::Voice) {
_voiceIsActive = false;
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const auto currentSong = instance()->current(AudioMsgId::Type::Song);
const auto songState = instance()->getState(AudioMsgId::Type::Song);
if (currentSong == songState.id && !IsStoppedOrStopping(songState.state)) {
setType(AudioMsgId::Type::Song);
}
}
});
instance()->updatedNotifier(
) | rpl::start_with_next([=](const TrackState &state) {
handleSongUpdate(state);
}, lifetime());
setType(AudioMsgId::Type::Song);
_playPause->finishTransform();
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}
void Widget::updateVolumeToggleIcon() {
auto icon = []() -> const style::icon * {
auto volume = Global::SongVolume();
if (volume > 0) {
if (volume < 1 / 3.) {
return &st::mediaPlayerVolumeIcon1;
} else if (volume < 2 / 3.) {
return &st::mediaPlayerVolumeIcon2;
}
return &st::mediaPlayerVolumeIcon3;
}
return nullptr;
};
_volumeToggle->setIconOverride(icon());
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}
void Widget::setCloseCallback(Fn<void()> callback) {
_closeCallback = std::move(callback);
_close->setClickedCallback([this] { stopAndClose(); });
}
void Widget::stopAndClose() {
_voiceIsActive = false;
if (_type == AudioMsgId::Type::Voice) {
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const auto songData = instance()->current(AudioMsgId::Type::Song);
const auto songState = instance()->getState(AudioMsgId::Type::Song);
if (songData == songState.id && !IsStoppedOrStopping(songState.state)) {
instance()->stop(AudioMsgId::Type::Voice);
return;
}
}
if (_closeCallback) {
_closeCallback();
}
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}
void Widget::setShadowGeometryToLeft(int x, int y, int w, int h) {
_shadow->setGeometryToLeft(x, y, w, h);
}
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void Widget::showShadow() {
_shadow->show();
_playbackSlider->setVisible(_type == AudioMsgId::Type::Song);
}
void Widget::hideShadow() {
_shadow->hide();
_playbackSlider->hide();
}
QPoint Widget::getPositionForVolumeWidget() const {
auto x = _volumeToggle->x();
x += (_volumeToggle->width() - st::mediaPlayerVolumeSize.width()) / 2;
if (rtl()) x = width() - x - st::mediaPlayerVolumeSize.width();
return QPoint(x, height());
}
void Widget::volumeWidgetCreated(VolumeWidget *widget) {
_volumeToggle->installEventFilter(widget);
}
Widget::~Widget() = default;
void Widget::handleSeekProgress(float64 progress) {
if (!_lastDurationMs) return;
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const auto positionMs = snap(
static_cast<crl::time>(progress * _lastDurationMs),
crl::time(0),
_lastDurationMs);
if (_seekPositionMs != positionMs) {
_seekPositionMs = positionMs;
updateTimeLabel();
instance()->startSeeking(_type);
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}
}
void Widget::handleSeekFinished(float64 progress) {
if (!_lastDurationMs) return;
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const auto positionMs = snap(
static_cast<crl::time>(progress * _lastDurationMs),
crl::time(0),
_lastDurationMs);
_seekPositionMs = -1;
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instance()->finishSeeking(_type, progress);
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}
void Widget::resizeEvent(QResizeEvent *e) {
auto right = st::mediaPlayerCloseRight;
_close->moveToRight(right, st::mediaPlayerPlayTop); right += _close->width();
if (hasPlaybackSpeedControl()) {
_playbackSpeed->moveToRight(right, st::mediaPlayerPlayTop); right += _playbackSpeed->width();
}
_repeatTrack->moveToRight(right, st::mediaPlayerPlayTop); right += _repeatTrack->width();
_volumeToggle->moveToRight(right, st::mediaPlayerPlayTop); right += _volumeToggle->width();
updatePlayPrevNextPositions();
_playbackSlider->setGeometry(0, height() - st::mediaPlayerPlayback.fullWidth, width(), st::mediaPlayerPlayback.fullWidth);
}
void Widget::paintEvent(QPaintEvent *e) {
Painter p(this);
auto fill = e->rect().intersected(QRect(0, 0, width(), st::mediaPlayerHeight));
if (!fill.isEmpty()) {
p.fillRect(fill, st::mediaPlayerBg);
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}
}
void Widget::leaveEventHook(QEvent *e) {
updateOverLabelsState(false);
}
void Widget::mouseMoveEvent(QMouseEvent *e) {
updateOverLabelsState(e->pos());
}
void Widget::mousePressEvent(QMouseEvent *e) {
_labelsDown = _labelsOver;
}
void Widget::mouseReleaseEvent(QMouseEvent *e) {
if (auto downLabels = base::take(_labelsDown)) {
if (_labelsOver == downLabels) {
if (_type == AudioMsgId::Type::Voice) {
auto current = instance()->current(_type);
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if (auto item = Auth().data().message(current.contextId())) {
Ui::showPeerHistoryAtItem(item);
}
}
}
}
}
void Widget::updateOverLabelsState(QPoint pos) {
auto left = getLabelsLeft();
auto right = getLabelsRight();
auto labels = myrtlrect(left, 0, width() - right - left, height() - st::mediaPlayerPlayback.fullWidth);
auto over = labels.contains(pos);
updateOverLabelsState(over);
}
void Widget::updateOverLabelsState(bool over) {
_labelsOver = over;
auto pressShowsItem = _labelsOver && (_type == AudioMsgId::Type::Voice);
setCursor(pressShowsItem ? style::cur_pointer : style::cur_default);
auto showPlaylist = over && (_type == AudioMsgId::Type::Song);
instance()->playerWidgetOver().notify(showPlaylist, true);
}
void Widget::updatePlayPrevNextPositions() {
auto left = st::mediaPlayerPlayLeft;
auto top = st::mediaPlayerPlayTop;
if (_previousTrack) {
_previousTrack->moveToLeft(left, top); left += _previousTrack->width() + st::mediaPlayerPlaySkip;
_playPause->moveToLeft(left, top); left += _playPause->width() + st::mediaPlayerPlaySkip;
_nextTrack->moveToLeft(left, top);
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} else {
_playPause->moveToLeft(left, top);
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}
updateLabelsGeometry();
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}
int Widget::getLabelsLeft() const {
auto result = st::mediaPlayerPlayLeft + _playPause->width();
if (_previousTrack) {
result += _previousTrack->width() + st::mediaPlayerPlaySkip + _nextTrack->width() + st::mediaPlayerPlaySkip;
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}
result += st::mediaPlayerPadding;
return result;
}
int Widget::getLabelsRight() const {
auto result = st::mediaPlayerCloseRight + _close->width();
if (_type == AudioMsgId::Type::Song) {
result += _repeatTrack->width() + _volumeToggle->width();
} else if (hasPlaybackSpeedControl()) {
result += _playbackSpeed->width();
}
result += st::mediaPlayerPadding;
return result;
}
void Widget::updateLabelsGeometry() {
auto left = getLabelsLeft();
auto right = getLabelsRight();
auto widthForName = width() - left - right;
widthForName -= _timeLabel->width() + 2 * st::normalFont->spacew;
_nameLabel->resizeToWidth(widthForName);
_nameLabel->moveToLeft(left, st::mediaPlayerNameTop - st::mediaPlayerName.style.font->ascent);
_timeLabel->moveToRight(right, st::mediaPlayerNameTop - st::mediaPlayerTime.font->ascent);
}
void Widget::updateRepeatTrackIcon() {
auto repeating = instance()->repeatEnabled(AudioMsgId::Type::Song);
_repeatTrack->setIconOverride(repeating ? nullptr : &st::mediaPlayerRepeatDisabledIcon, repeating ? nullptr : &st::mediaPlayerRepeatDisabledIconOver);
_repeatTrack->setRippleColorOverride(repeating ? nullptr : &st::mediaPlayerRepeatDisabledRippleBg);
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}
void Widget::updatePlaybackSpeedIcon() {
const auto doubled = Global::VoiceMsgPlaybackDoubled();
const auto isDefaultSpeed = !doubled;
_playbackSpeed->setIconOverride(
isDefaultSpeed ? &st::mediaPlayerSpeedDisabledIcon : nullptr,
isDefaultSpeed ? &st::mediaPlayerSpeedDisabledIconOver : nullptr);
_playbackSpeed->setRippleColorOverride(
isDefaultSpeed ? &st::mediaPlayerSpeedDisabledRippleBg : nullptr);
}
void Widget::checkForTypeChange() {
auto hasActiveType = [](AudioMsgId::Type type) {
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const auto current = instance()->current(type);
const auto state = instance()->getState(type);
return (current == state.id && !IsStoppedOrStopping(state.state));
};
if (hasActiveType(AudioMsgId::Type::Voice)) {
_voiceIsActive = true;
setType(AudioMsgId::Type::Voice);
} else if (!_voiceIsActive && hasActiveType(AudioMsgId::Type::Song)) {
setType(AudioMsgId::Type::Song);
}
}
bool Widget::hasPlaybackSpeedControl() const {
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return (_type == AudioMsgId::Type::Voice)
&& Media::Audio::SupportsSpeedControl();
}
void Widget::setType(AudioMsgId::Type type) {
if (_type != type) {
_type = type;
_repeatTrack->setVisible(_type == AudioMsgId::Type::Song);
_volumeToggle->setVisible(_type == AudioMsgId::Type::Song);
_playbackSpeed->setVisible(hasPlaybackSpeedControl());
if (!_shadow->isHidden()) {
_playbackSlider->setVisible(_type == AudioMsgId::Type::Song);
}
updateLabelsGeometry();
handleSongChange();
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handleSongUpdate(instance()->getState(_type));
updateOverLabelsState(_labelsOver);
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_playlistChangesLifetime = instance()->playlistChanges(
_type
) | rpl::start_with_next([=] {
handlePlaylistUpdate();
});
// maybe the type change causes a change of the button layout
QResizeEvent event = { size(), size() };
resizeEvent(&event);
}
}
void Widget::handleSongUpdate(const TrackState &state) {
checkForTypeChange();
if (state.id.type() != _type || !state.id.audio()) {
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return;
}
if (state.id.audio()->loading()) {
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_playbackProgress->updateLoadingState(state.id.audio()->progress());
} else {
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_playbackProgress->updateState(state);
}
auto stopped = IsStoppedOrStopping(state.state);
auto showPause = ShowPauseIcon(state.state);
if (instance()->isSeeking(_type)) {
showPause = true;
}
auto buttonState = [audio = state.id.audio(), showPause] {
if (audio->loading()) {
return ButtonState::Cancel;
} else if (showPause) {
return ButtonState::Pause;
}
return ButtonState::Play;
};
_playPause->setState(buttonState());
updateTimeText(state);
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}
void Widget::updateTimeText(const TrackState &state) {
QString time;
qint64 position = 0, length = 0, display = 0;
const auto frequency = state.frequency;
const auto document = state.id.audio();
if (!IsStoppedOrStopping(state.state)) {
display = position = state.position;
length = state.length;
} else if (state.length) {
display = state.length;
} else if (const auto song = document->song()) {
display = (song->duration * frequency);
}
_lastDurationMs = (state.length * 1000LL) / frequency;
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if (document->loading()) {
_time = QString::number(qRound(document->progress() * 100)) + '%';
_playbackSlider->setDisabled(true);
} else {
display = display / frequency;
_time = formatDurationText(display);
_playbackSlider->setDisabled(false);
}
if (_seekPositionMs < 0) {
updateTimeLabel();
}
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}
void Widget::updateTimeLabel() {
auto timeLabelWidth = _timeLabel->width();
if (_seekPositionMs >= 0) {
auto playAlready = _seekPositionMs / 1000LL;
_timeLabel->setText(formatDurationText(playAlready));
} else {
_timeLabel->setText(_time);
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}
if (timeLabelWidth != _timeLabel->width()) {
updateLabelsGeometry();
}
}
void Widget::handleSongChange() {
const auto current = instance()->current(_type);
const auto document = current.audio();
if (!current
|| !document
|| ((_lastSongId.audio() == document)
&& (_lastSongId.contextId() == current.contextId()))) {
return;
}
_lastSongId = current;
TextWithEntities textWithEntities;
if (document->isVoiceMessage() || document->isVideoMessage()) {
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if (const auto item = Auth().data().message(current.contextId())) {
const auto name = item->fromOriginal()->name;
const auto date = [item] {
const auto parsed = ItemDateTime(item);
const auto date = parsed.date();
const auto time = parsed.time().toString(cTimeFormat());
const auto today = QDateTime::currentDateTime().date();
if (date == today) {
return tr::lng_player_message_today(
tr::now,
lt_time,
time);
} else if (date.addDays(1) == today) {
return tr::lng_player_message_yesterday(
tr::now,
lt_time,
time);
}
return tr::lng_player_message_date(
tr::now,
lt_date,
langDayOfMonthFull(date),
lt_time,
time);
};
textWithEntities.text = name + ' ' + date();
textWithEntities.entities.append(EntityInText(
EntityType::Bold,
0,
name.size(),
QString()));
} else {
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textWithEntities.text = tr::lng_media_audio(tr::now);
}
} else {
const auto song = document->song();
if (!song || song->performer.isEmpty()) {
textWithEntities.text = (!song || song->title.isEmpty())
? (document->filename().isEmpty()
? qsl("Unknown Track")
: document->filename())
: song->title;
} else {
auto title = song->title.isEmpty()
? qsl("Unknown Track")
: TextUtilities::Clean(song->title);
auto dash = QString::fromUtf8(" \xe2\x80\x93 ");
textWithEntities.text = song->performer + dash + title;
textWithEntities.entities.append({ EntityType::Bold, 0, song->performer.size(), QString() });
}
}
_nameLabel->setMarkedText(textWithEntities);
handlePlaylistUpdate();
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}
void Widget::handlePlaylistUpdate() {
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const auto previousEnabled = instance()->previousAvailable(_type);
const auto nextEnabled = instance()->nextAvailable(_type);
if (!previousEnabled && !nextEnabled) {
destroyPrevNextButtons();
} else {
createPrevNextButtons();
_previousTrack->setIconOverride(previousEnabled ? nullptr : &st::mediaPlayerPreviousDisabledIcon);
_previousTrack->setRippleColorOverride(previousEnabled ? nullptr : &st::mediaPlayerBg);
_previousTrack->setCursor(previousEnabled ? style::cur_pointer : style::cur_default);
_nextTrack->setIconOverride(nextEnabled ? nullptr : &st::mediaPlayerNextDisabledIcon);
_nextTrack->setRippleColorOverride(nextEnabled ? nullptr : &st::mediaPlayerBg);
_nextTrack->setCursor(nextEnabled ? style::cur_pointer : style::cur_default);
}
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}
void Widget::createPrevNextButtons() {
if (!_previousTrack) {
_previousTrack.create(this, st::mediaPlayerPreviousButton);
_previousTrack->show();
_previousTrack->setClickedCallback([=]() {
instance()->previous();
});
_nextTrack.create(this, st::mediaPlayerNextButton);
_nextTrack->show();
_nextTrack->setClickedCallback([=]() {
instance()->next();
});
updatePlayPrevNextPositions();
}
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}
void Widget::destroyPrevNextButtons() {
if (_previousTrack) {
_previousTrack.destroy();
_nextTrack.destroy();
updatePlayPrevNextPositions();
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}
}
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} // namespace Player
} // namespace Media