tdesktop/Telegram/SourceFiles/media/player/media_player_volume_control...

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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_volume_controller.h"
#include "media/audio/media_audio.h"
#include "ui/widgets/buttons.h"
#include "ui/widgets/shadow.h"
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#include "ui/widgets/continuous_sliders.h"
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#include "styles/style_media_player.h"
#include "styles/style_widgets.h"
#include "mainwindow.h"
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#include "auth_session.h"
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namespace Media {
namespace Player {
VolumeController::VolumeController(QWidget *parent)
: TWidget(parent)
, _slider(this, st::mediaPlayerPanelPlayback) {
_slider->setMoveByWheel(true);
_slider->setChangeProgressCallback([this](float64 volume) {
applyVolumeChange(volume);
});
_slider->setChangeFinishedCallback([this](float64 volume) {
if (volume > 0) {
Global::SetRememberedSongVolume(volume);
}
applyVolumeChange(volume);
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Auth().saveSettingsDelayed();
});
subscribe(Global::RefSongVolumeChanged(), [this] {
if (!_slider->isChanging()) {
_slider->setValue(Global::SongVolume());
}
});
setVolume(Global::SongVolume());
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resize(st::mediaPlayerPanelVolumeWidth, 2 * st::mediaPlayerPanelPlaybackPadding + st::mediaPlayerPanelPlayback.width);
}
void VolumeController::setIsVertical(bool vertical) {
using Direction = Ui::MediaSlider::Direction;
_slider->setDirection(vertical ? Direction::Vertical : Direction::Horizontal);
_slider->setAlwaysDisplayMarker(vertical);
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}
void VolumeController::resizeEvent(QResizeEvent *e) {
_slider->setGeometry(rect());
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}
void VolumeController::setVolume(float64 volume) {
_slider->setValue(volume);
if (volume > 0) {
Global::SetRememberedSongVolume(volume);
}
applyVolumeChange(volume);
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}
void VolumeController::applyVolumeChange(float64 volume) {
if (volume != Global::SongVolume()) {
Global::SetSongVolume(volume);
mixer()->setSongVolume(Global::SongVolume());
Global::RefSongVolumeChanged().notify();
}
}
VolumeWidget::VolumeWidget(QWidget *parent)
: RpWidget(parent)
, _controller(this) {
hide();
_controller->setIsVertical(true);
_hideTimer.setSingleShot(true);
connect(&_hideTimer, SIGNAL(timeout()), this, SLOT(onHideStart()));
_showTimer.setSingleShot(true);
connect(&_showTimer, SIGNAL(timeout()), this, SLOT(onShowStart()));
macWindowDeactivateEvents(
) | rpl::filter([=] {
return !isHidden();
}) | rpl::start_with_next([=] {
leaveEvent(nullptr);
}, lifetime());
hide();
auto margin = getMargin();
resize(margin.left() + st::mediaPlayerVolumeSize.width() + margin.right(), margin.top() + st::mediaPlayerVolumeSize.height() + margin.bottom());
}
QMargins VolumeWidget::getMargin() const {
const auto top = st::mediaPlayerHeight
+ st::lineWidth
- st::mediaPlayerPlayTop
- st::mediaPlayerVolumeToggle.height;
return QMargins(st::mediaPlayerVolumeMargin, top, st::mediaPlayerVolumeMargin, st::mediaPlayerVolumeMargin);
}
bool VolumeWidget::overlaps(const QRect &globalRect) {
if (isHidden() || _a_appearance.animating()) return false;
return rect().marginsRemoved(getMargin()).contains(QRect(mapFromGlobal(globalRect.topLeft()), globalRect.size()));
}
void VolumeWidget::resizeEvent(QResizeEvent *e) {
auto inner = rect().marginsRemoved(getMargin());
_controller->setGeometry(inner.x(), inner.y() - st::lineWidth, inner.width(), inner.height() + st::lineWidth - ((st::mediaPlayerVolumeSize.width() - st::mediaPlayerPanelPlayback.width) / 2));
}
void VolumeWidget::paintEvent(QPaintEvent *e) {
Painter p(this);
if (!_cache.isNull()) {
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bool animating = _a_appearance.animating();
if (animating) {
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p.setOpacity(_a_appearance.value(_hiding ? 0. : 1.));
} else if (_hiding || isHidden()) {
hidingFinished();
return;
}
p.drawPixmap(0, 0, _cache);
if (!animating) {
showChildren();
_cache = QPixmap();
}
return;
}
// draw shadow
auto shadowedRect = rect().marginsRemoved(getMargin());
auto shadowedSides = RectPart::Left | RectPart::Right | RectPart::Bottom;
Ui::Shadow::paint(p, shadowedRect, width(), st::defaultRoundShadow, shadowedSides);
auto parts = RectPart::NoTopBottom | RectPart::FullBottom;
App::roundRect(p, QRect(shadowedRect.x(), -st::buttonRadius, shadowedRect.width(), shadowedRect.y() + shadowedRect.height() + st::buttonRadius), st::menuBg, MenuCorners, nullptr, parts);
}
void VolumeWidget::enterEventHook(QEvent *e) {
_hideTimer.stop();
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if (_a_appearance.animating()) {
onShowStart();
} else {
_showTimer.start(0);
}
return RpWidget::enterEventHook(e);
}
void VolumeWidget::leaveEventHook(QEvent *e) {
_showTimer.stop();
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if (_a_appearance.animating()) {
onHideStart();
} else {
_hideTimer.start(300);
}
return RpWidget::leaveEventHook(e);
}
void VolumeWidget::otherEnter() {
_hideTimer.stop();
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if (_a_appearance.animating()) {
onShowStart();
} else {
_showTimer.start(0);
}
}
void VolumeWidget::otherLeave() {
_showTimer.stop();
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if (_a_appearance.animating()) {
onHideStart();
} else {
_hideTimer.start(0);
}
}
void VolumeWidget::onShowStart() {
if (isHidden()) {
show();
} else if (!_hiding) {
return;
}
_hiding = false;
startAnimation();
}
void VolumeWidget::onHideStart() {
if (_hiding) return;
_hiding = true;
startAnimation();
}
void VolumeWidget::startAnimation() {
if (_cache.isNull()) {
showChildren();
_cache = Ui::GrabWidget(this);
}
hideChildren();
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_a_appearance.start(
[=] { appearanceCallback(); },
_hiding ? 1. : 0.,
_hiding ? 0. : 1.,
st::defaultInnerDropdown.duration);
}
void VolumeWidget::appearanceCallback() {
if (!_a_appearance.animating() && _hiding) {
_hiding = false;
hidingFinished();
} else {
update();
}
}
void VolumeWidget::hidingFinished() {
hide();
_cache = QPixmap();
}
bool VolumeWidget::eventFilter(QObject *obj, QEvent *e) {
if (e->type() == QEvent::Enter) {
otherEnter();
} else if (e->type() == QEvent::Leave) {
otherLeave();
}
return false;
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}
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} // namespace Player
} // namespace Media