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

558 lines
17 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It 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 General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "media/player/media_player_widget.h"
#include "ui/widgets/labels.h"
#include "ui/widgets/continuous_sliders.h"
#include "ui/widgets/shadow.h"
#include "ui/widgets/buttons.h"
#include "ui/effects/ripple_animation.h"
#include "lang.h"
#include "media/media_audio.h"
#include "media/view/media_clip_playback.h"
#include "media/player/media_player_button.h"
#include "media/player/media_player_instance.h"
#include "media/player/media_player_volume_controller.h"
#include "styles/style_media_player.h"
#include "styles/style_mediaview.h"
namespace Media {
namespace Player {
using ButtonState = PlayButtonLayout::State;
class Widget::PlayButton : public Ui::RippleButton {
public:
PlayButton(QWidget *parent);
void setState(PlayButtonLayout::State state) {
_layout.setState(state);
}
void finishTransform() {
_layout.finishTransform();
}
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);
}
void Widget::PlayButton::paintEvent(QPaintEvent *e) {
Painter p(this);
paintRipple(p, st::mediaPlayerButton.rippleAreaPosition.x(), st::mediaPlayerButton.rippleAreaPosition.y(), getms());
p.translate(st::mediaPlayerButtonPosition.x(), st::mediaPlayerButtonPosition.y());
_layout.paint(p, st::mediaPlayerActiveFg);
}
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);
}
Widget::Widget(QWidget *parent) : TWidget(parent)
, _nameLabel(this, st::mediaPlayerName)
, _timeLabel(this, st::mediaPlayerTime)
, _playPause(this)
, _volumeToggle(this, st::mediaPlayerVolumeToggle)
, _repeatTrack(this, st::mediaPlayerRepeatButton)
, _close(this, st::mediaPlayerClose)
, _shadow(this, st::shadowFg)
, _playbackSlider(this, st::mediaPlayerPlayback)
, _playback(std::make_unique<Clip::Playback>()) {
setAttribute(Qt::WA_OpaquePaintEvent);
setMouseTracking(true);
resize(width(), st::mediaPlayerHeight + st::lineWidth);
_nameLabel->setAttribute(Qt::WA_TransparentForMouseEvents);
_timeLabel->setAttribute(Qt::WA_TransparentForMouseEvents);
_playback->setInLoadingStateChangedCallback([this](bool loading) {
_playbackSlider->setDisabled(loading);
});
_playback->setValueChangedCallback([this](float64 value) {
_playbackSlider->setValue(value);
});
_playbackSlider->setChangeProgressCallback([this](float64 value) {
if (_type != AudioMsgId::Type::Song) {
return; // Round video seek is not supported for now :(
}
handleSeekProgress(value);
_playback->setValue(value, false);
});
_playbackSlider->setChangeFinishedCallback([this](float64 value) {
if (_type != AudioMsgId::Type::Song) {
return; // Round video seek is not supported for now :(
}
handleSeekFinished(value);
_playback->setValue(value, false);
});
_playPause->setClickedCallback([this] {
instance()->playPauseCancelClicked(_type);
});
updateVolumeToggleIcon();
_volumeToggle->setClickedCallback([this] {
Global::SetSongVolume((Global::SongVolume() > 0) ? 0. : Global::RememberedSongVolume());
mixer()->setSongVolume(Global::SongVolume());
Global::RefSongVolumeChanged().notify();
});
subscribe(Global::RefSongVolumeChanged(), [this] { updateVolumeToggleIcon(); });
updateRepeatTrackIcon();
_repeatTrack->setClickedCallback([this] {
instance()->toggleRepeat(AudioMsgId::Type::Song);
});
subscribe(instance()->repeatChangedNotifier(), [this](AudioMsgId::Type type) {
if (type == _type) {
updateRepeatTrackIcon();
}
});
subscribe(instance()->playlistChangedNotifier(), [this](AudioMsgId::Type type) {
if (type == _type) {
handlePlaylistUpdate();
}
});
subscribe(instance()->updatedNotifier(), [this](const TrackState &state) {
handleSongUpdate(state);
});
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;
auto currentSong = instance()->current(AudioMsgId::Type::Song);
auto songState = mixer()->currentState(AudioMsgId::Type::Song);
if (currentSong == songState.id && !IsStoppedOrStopping(songState.state)) {
setType(AudioMsgId::Type::Song);
}
}
});
setType(AudioMsgId::Type::Song);
_playPause->finishTransform();
}
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());
}
void Widget::setCloseCallback(base::lambda<void()> callback) {
_closeCallback = std::move(callback);
_close->setClickedCallback([this] { stopAndClose(); });
}
void Widget::stopAndClose() {
_voiceIsActive = false;
if (_type == AudioMsgId::Type::Voice) {
auto songData = instance()->current(AudioMsgId::Type::Song);
auto songState = mixer()->currentState(AudioMsgId::Type::Song);
if (songData == songState.id && !IsStoppedOrStopping(songState.state)) {
instance()->stop(AudioMsgId::Type::Voice);
return;
}
}
if (_closeCallback) {
_closeCallback();
}
}
void Widget::setShadowGeometryToLeft(int x, int y, int w, int h) {
_shadow->setGeometryToLeft(x, y, w, h);
}
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;
auto positionMs = snap(static_cast<TimeMs>(progress * _lastDurationMs), 0LL, _lastDurationMs);
if (_seekPositionMs != positionMs) {
_seekPositionMs = positionMs;
updateTimeLabel();
instance()->startSeeking(_type);
}
}
void Widget::handleSeekFinished(float64 progress) {
if (!_lastDurationMs) return;
auto positionMs = snap(static_cast<TimeMs>(progress * _lastDurationMs), 0LL, _lastDurationMs);
_seekPositionMs = -1;
auto state = mixer()->currentState(_type);
if (state.id && state.length) {
mixer()->seek(_type, qRound(progress * state.length));
}
instance()->stopSeeking(_type);
}
void Widget::resizeEvent(QResizeEvent *e) {
auto right = st::mediaPlayerCloseRight;
_close->moveToRight(right, st::mediaPlayerPlayTop); right += _close->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);
}
}
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);
if (auto item = App::histItemById(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);
} else {
_playPause->moveToLeft(left, top);
}
updateLabelsGeometry();
}
int Widget::getLabelsLeft() const {
auto result = st::mediaPlayerPlayLeft + _playPause->width();
if (_previousTrack) {
result += _previousTrack->width() + st::mediaPlayerPlaySkip + _nextTrack->width() + st::mediaPlayerPlaySkip;
}
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();
}
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);
}
void Widget::checkForTypeChange() {
auto hasActiveType = [](AudioMsgId::Type type) {
auto current = instance()->current(type);
auto state = mixer()->currentState(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);
}
}
void Widget::setType(AudioMsgId::Type type) {
if (_type != type) {
_type = type;
_repeatTrack->setVisible(_type == AudioMsgId::Type::Song);
_volumeToggle->setVisible(_type == AudioMsgId::Type::Song);
if (!_shadow->isHidden()) {
_playbackSlider->setVisible(_type == AudioMsgId::Type::Song);
}
updateLabelsGeometry();
handleSongChange();
handleSongUpdate(mixer()->currentState(_type));
updateOverLabelsState(_labelsOver);
}
}
void Widget::handleSongUpdate(const TrackState &state) {
checkForTypeChange();
if (state.id.type() != _type || !state.id.audio()) {
return;
}
if (state.id.audio()->loading()) {
_playback->updateLoadingState(state.id.audio()->progress());
} else {
_playback->updateState(state);
}
auto stopped = IsStoppedOrStopping(state.state);
auto showPause = !stopped && (state.state == State::Playing || state.state == State::Resuming || state.state == State::Starting);
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);
}
void Widget::updateTimeText(const TrackState &state) {
QString time;
qint64 position = 0, length = 0, display = 0;
auto frequency = state.frequency;
if (!IsStoppedOrStopping(state.state)) {
display = position = state.position;
length = state.length;
} else if (state.length) {
display = state.length;
} else if (state.id.audio()->song()) {
display = (state.id.audio()->song()->duration * frequency);
}
_lastDurationMs = (state.length * 1000LL) / frequency;
if (state.id.audio()->loading()) {
_time = QString::number(qRound(state.id.audio()->progress() * 100)) + '%';
_playbackSlider->setDisabled(true);
} else {
display = display / frequency;
_time = formatDurationText(display);
_playbackSlider->setDisabled(false);
}
if (_seekPositionMs < 0) {
updateTimeLabel();
}
}
void Widget::updateTimeLabel() {
auto timeLabelWidth = _timeLabel->width();
if (_seekPositionMs >= 0) {
auto playAlready = _seekPositionMs / 1000LL;
_timeLabel->setText(formatDurationText(playAlready));
} else {
_timeLabel->setText(_time);
}
if (timeLabelWidth != _timeLabel->width()) {
updateLabelsGeometry();
}
}
void Widget::handleSongChange() {
auto current = instance()->current(_type);
if (!current || !current.audio()) {
return;
}
TextWithEntities textWithEntities;
if (current.audio()->voice() || current.audio()->isRoundVideo()) {
if (auto item = App::histItemById(current.contextId())) {
auto name = App::peerName(item->fromOriginal());
auto date = [item] {
auto date = item->date.date();
auto time = item->date.time().toString(cTimeFormat());
auto today = QDateTime::currentDateTime().date();
if (date == today) {
return lng_player_message_today(lt_time, time);
} else if (date.addDays(1) == today) {
return lng_player_message_yesterday(lt_time, time);
}
return lng_player_message_date(lt_date, langDayOfMonthFull(date), lt_time, time);
};
textWithEntities.text = name + ' ' + date();
textWithEntities.entities.append({ EntityInTextBold, 0, name.size(), QString() });
} else {
textWithEntities.text = lang(lng_media_audio);
}
} else {
auto song = current.audio()->song();
if (!song || song->performer.isEmpty()) {
textWithEntities.text = (!song || song->title.isEmpty()) ? (current.audio()->name.isEmpty() ? qsl("Unknown Track") : current.audio()->name) : song->title;
} else {
auto title = song->title.isEmpty() ? qsl("Unknown Track") : textClean(song->title);
textWithEntities.text = song->performer + QString::fromUtf8(" \xe2\x80\x93 ") + title;
textWithEntities.entities.append({ EntityInTextBold, 0, song->performer.size(), QString() });
}
}
_nameLabel->setMarkedText(textWithEntities);
handlePlaylistUpdate();
}
void Widget::handlePlaylistUpdate() {
auto current = instance()->current(_type);
auto playlist = instance()->playlist(_type);
auto index = playlist.indexOf(current.contextId());
if (!current || index < 0) {
destroyPrevNextButtons();
} else {
createPrevNextButtons();
auto previousEnabled = (index > 0);
auto nextEnabled = (index + 1 < playlist.size());
_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);
}
}
void Widget::createPrevNextButtons() {
if (!_previousTrack) {
_previousTrack.create(this, st::mediaPlayerPreviousButton);
_previousTrack->show();
_previousTrack->setClickedCallback([this]() {
instance()->previous();
});
_nextTrack.create(this, st::mediaPlayerNextButton);
_nextTrack->show();
_nextTrack->setClickedCallback([this]() {
instance()->next();
});
updatePlayPrevNextPositions();
}
}
void Widget::destroyPrevNextButtons() {
if (_previousTrack) {
_previousTrack.destroy();
_nextTrack.destroy();
updatePlayPrevNextPositions();
}
}
} // namespace Player
} // namespace Media