597 lines
17 KiB
C++
597 lines
17 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "media/view/media_view_playback_controls.h"
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#include "media/audio/media_audio.h"
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#include "media/view/media_view_playback_progress.h"
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#include "ui/widgets/labels.h"
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#include "ui/widgets/continuous_sliders.h"
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#include "ui/effects/fade_animation.h"
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#include "ui/widgets/buttons.h"
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#include "ui/widgets/menu/menu_item_base.h"
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#include "ui/widgets/popup_menu.h"
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#include "ui/text/format_values.h"
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#include "ui/cached_round_corners.h"
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#include "lang/lang_keys.h"
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#include "styles/style_media_view.h"
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namespace Media {
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namespace View {
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namespace {
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constexpr auto kMinSpeed = 50;
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constexpr auto kMaxSpeed = 200;
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constexpr float64 SpeedShiftToValue(float64 value) {
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const auto valueAsSpeedF = value * 100.;
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const auto valueAsSpeed = int(valueAsSpeedF + 0.5); // constexpr round.
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return float64(valueAsSpeed) / (kMaxSpeed - kMinSpeed);
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};
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constexpr float64 SpeedToValue(float64 value) {
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const auto valueAsSpeedF = value * 100.;
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const auto valueAsSpeed = int(valueAsSpeedF + 0.5); // constexpr round.
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return float64(valueAsSpeed - kMinSpeed) / (kMaxSpeed - kMinSpeed);
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};
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constexpr auto kSpeedStickedValues =
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std::array<std::pair<float64, float64>, 5>{{
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{ SpeedToValue(0.75), SpeedShiftToValue(0.03) },
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{ SpeedToValue(1.00), SpeedShiftToValue(0.05) },
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{ SpeedToValue(1.25), SpeedShiftToValue(0.03) },
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{ SpeedToValue(1.50), SpeedShiftToValue(0.03) },
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{ SpeedToValue(1.75), SpeedShiftToValue(0.03) },
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}};
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class MenuSpeedItem final : public Ui::Menu::ItemBase {
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public:
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MenuSpeedItem(
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not_null<RpWidget*> parent,
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const style::Menu &st,
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float64 startSpeed);
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not_null<QAction*> action() const override;
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bool isEnabled() const override;
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[[nodiscard]] rpl::producer<float64> changeSpeedRequests() const;
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protected:
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int contentHeight() const override;
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private:
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float64 computeSpeed(float64 value) const;
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QString speedString(float64 value) const;
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QRect _itemRect;
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QRect _textRect;
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const style::MediaSlider &_sliderSt;
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const base::unique_qptr<Ui::MediaSlider> _slider;
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const not_null<QAction*> _dummyAction;
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const int _lineCount;
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const int _height;
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rpl::event_stream<float64> _changeSpeedRequests;
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};
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MenuSpeedItem::MenuSpeedItem(
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not_null<RpWidget*> parent,
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const style::Menu &st,
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float64 startSpeed)
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: Ui::Menu::ItemBase(parent, st)
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, _sliderSt(st::mediaviewPlayback)
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, _slider(base::make_unique_q<Ui::MediaSlider>(
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this,
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_sliderSt))
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, _dummyAction(new QAction(parent))
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, _lineCount(std::ceil(st.itemStyle.font->width(speedString(0.9))
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/ float(st.widthMax)))
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, _height(st.itemPadding.top() * 2
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+ st.itemStyle.font->height * _lineCount
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+ _sliderSt.seekSize.height()
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+ st.itemPadding.bottom() * 2) {
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initResizeHook(parent->sizeValue());
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enableMouseSelecting();
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enableMouseSelecting(_slider.get());
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_slider->setAlwaysDisplayMarker(true);
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_slider->setValue((base::SafeRound(startSpeed * 100.) - kMinSpeed)
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/ (kMaxSpeed - kMinSpeed));
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for (const auto &sticked : kSpeedStickedValues) {
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_slider->addDivider(sticked.first, st::speedSliderDividerSize);
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}
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//_slider->addDivider(
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// kSpeedStickedValues[1].first,
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// st::speedSliderDividerSize);
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{
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const auto goodWidth = st.itemPadding.left()
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+ st.itemPadding.right()
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+ st.itemStyle.font->width(speedString(0.9));
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setMinWidth(std::clamp(goodWidth, st.widthMin, st.widthMax));
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}
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sizeValue(
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) | rpl::start_with_next([=](const QSize &size) {
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const auto geometry = QRect(QPoint(), size);
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_itemRect = geometry - st.itemPadding;
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const auto height = _itemRect.height();
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const auto penWidth = QPen(st.itemBgOver).width();
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_textRect = _itemRect
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- style::margins(
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-penWidth,
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0,
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-penWidth,
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height - st.itemStyle.font->height * _lineCount);
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const auto sliderGeometry = _itemRect
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- style::margins(0, height - _sliderSt.seekSize.height(), 0, 0);
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_slider->setGeometry(sliderGeometry);
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}, lifetime());
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paintRequest(
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) | rpl::start_with_next([=](const QRect &clip) {
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Painter p(this);
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const auto selected = isSelected();
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p.fillRect(clip, selected ? st.itemBgOver : st.itemBg);
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const auto value = _slider->value();
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p.setPen(selected ? st.itemFgOver : st.itemFg);
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p.setFont(st.itemStyle.font);
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p.drawText(_textRect, speedString(value), style::al_left);
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}, lifetime());
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_slider->setChangeProgressCallback([=](float64 value) {
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update(_textRect);
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});
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_slider->setChangeFinishedCallback([=](float64 value) {
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_changeSpeedRequests.fire_copy(computeSpeed(value));
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});
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_slider->setAdjustCallback([=](float64 value) {
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for (const auto &snap : kSpeedStickedValues) {
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if (value > (snap.first - snap.second)
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&& value < (snap.first + snap.second)) {
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return snap.first;
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}
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}
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return value;
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});
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}
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float64 MenuSpeedItem::computeSpeed(float64 value) const {
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return anim::interpolate(kMinSpeed, kMaxSpeed, std::clamp(value, 0., 1.))
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/ 100.;
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}
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QString MenuSpeedItem::speedString(float64 value) const {
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return tr::lng_mediaview_playback_speed(
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tr::now,
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lt_speed,
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QString::number(computeSpeed(value), 'f', 2) + 'x');
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}
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not_null<QAction*> MenuSpeedItem::action() const {
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return _dummyAction;
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}
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bool MenuSpeedItem::isEnabled() const {
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return true;
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}
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int MenuSpeedItem::contentHeight() const {
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return _height;
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}
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rpl::producer<float64> MenuSpeedItem::changeSpeedRequests() const {
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return _changeSpeedRequests.events();
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}
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} // namespace
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PlaybackControls::PlaybackControls(
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QWidget *parent,
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not_null<Delegate*> delegate)
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: RpWidget(parent)
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, _delegate(delegate)
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, _playPauseResume(this, st::mediaviewPlayButton)
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, _playbackSlider(this, st::mediaviewPlayback)
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, _playbackProgress(std::make_unique<PlaybackProgress>())
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, _volumeToggle(this, st::mediaviewVolumeToggle)
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, _volumeController(this, st::mediaviewPlayback)
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, _menuToggle(this, st::mediaviewMenuToggle)
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, _fullScreenToggle(this, st::mediaviewFullScreenButton)
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, _pictureInPicture(this, st::mediaviewPipButton)
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, _playedAlready(this, st::mediaviewPlayProgressLabel)
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, _toPlayLeft(this, st::mediaviewPlayProgressLabel)
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, _menuStyle(st::mediaviewControlsPopupMenu)
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, _fadeAnimation(std::make_unique<Ui::FadeAnimation>(this)) {
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_fadeAnimation->show();
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_fadeAnimation->setFinishedCallback([=] {
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fadeFinished();
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});
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_fadeAnimation->setUpdatedCallback([=](float64 opacity) {
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fadeUpdated(opacity);
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});
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_pictureInPicture->addClickHandler([=] {
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_delegate->playbackControlsToPictureInPicture();
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});
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_menuToggle->addClickHandler([=] {
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showMenu();
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});
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_volumeController->setValue(_delegate->playbackControlsCurrentVolume());
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_volumeController->setChangeProgressCallback([=](float64 value) {
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_delegate->playbackControlsVolumeChanged(value);
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updateVolumeToggleIcon();
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});
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_volumeController->setChangeFinishedCallback([=](float64) {
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_delegate->playbackControlsVolumeChangeFinished();
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});
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updateVolumeToggleIcon();
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_volumeToggle->setClickedCallback([=] {
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_delegate->playbackControlsVolumeToggled();
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_volumeController->setValue(_delegate->playbackControlsCurrentVolume());
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updateVolumeToggleIcon();
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});
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_playPauseResume->addClickHandler([=] {
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if (_showPause) {
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_delegate->playbackControlsPause();
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} else {
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_delegate->playbackControlsPlay();
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}
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});
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_fullScreenToggle->addClickHandler([=] {
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if (_inFullScreen) {
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_delegate->playbackControlsFromFullScreen();
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} else {
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_delegate->playbackControlsToFullScreen();
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}
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});
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_playbackProgress->setValueChangedCallback([=](
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float64 value,
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float64 receivedTill) {
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_playbackSlider->setValue(value, receivedTill);
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});
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_playbackSlider->setChangeProgressCallback([=](float64 value) {
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_playbackProgress->setValue(value, false);
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// This may destroy PlaybackControls.
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handleSeekProgress(value);
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});
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_playbackSlider->setChangeFinishedCallback([=](float64 value) {
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_playbackProgress->setValue(value, false);
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handleSeekFinished(value);
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});
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}
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void PlaybackControls::handleSeekProgress(float64 progress) {
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if (!_lastDurationMs) return;
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const auto positionMs = std::clamp(
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static_cast<crl::time>(progress * _lastDurationMs),
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crl::time(0),
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_lastDurationMs);
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if (_seekPositionMs != positionMs) {
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_seekPositionMs = positionMs;
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refreshTimeTexts();
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// This may destroy PlaybackControls.
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_delegate->playbackControlsSeekProgress(positionMs);
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}
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}
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void PlaybackControls::handleSeekFinished(float64 progress) {
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if (!_lastDurationMs) return;
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const auto positionMs = std::clamp(
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static_cast<crl::time>(progress * _lastDurationMs),
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crl::time(0),
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_lastDurationMs);
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_seekPositionMs = -1;
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_delegate->playbackControlsSeekFinished(positionMs);
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refreshTimeTexts();
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}
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template <typename Callback>
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void PlaybackControls::startFading(Callback start) {
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if (!_fadeAnimation->animating()) {
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showChildren();
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_playbackSlider->disablePaint(true);
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_volumeController->disablePaint(true);
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_childrenHidden = false;
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}
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start();
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if (_fadeAnimation->animating()) {
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for (const auto child : children()) {
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if (child->isWidgetType()
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&& child != _playbackSlider
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&& child != _volumeController) {
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static_cast<QWidget*>(child)->hide();
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}
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}
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_childrenHidden = true;
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} else {
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fadeFinished();
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}
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_playbackSlider->disablePaint(false);
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_volumeController->disablePaint(false);
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}
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void PlaybackControls::showAnimated() {
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startFading([this]() {
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_fadeAnimation->fadeIn(st::mediaviewShowDuration);
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});
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}
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void PlaybackControls::hideAnimated() {
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startFading([this]() {
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_fadeAnimation->fadeOut(st::mediaviewHideDuration);
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});
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}
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void PlaybackControls::fadeFinished() {
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fadeUpdated(_fadeAnimation->visible() ? 1. : 0.);
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}
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void PlaybackControls::fadeUpdated(float64 opacity) {
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_playbackSlider->setFadeOpacity(opacity);
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_volumeController->setFadeOpacity(opacity);
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}
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void PlaybackControls::showMenu() {
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if (_menu) {
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_menu = nullptr;
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return;
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}
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_menu.emplace(this, _menuStyle);
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{
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auto speedItem = base::make_unique_q<MenuSpeedItem>(
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_menu,
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_menuStyle.menu,
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_delegate->playbackControlsCurrentSpeed());
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speedItem->changeSpeedRequests(
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) | rpl::start_with_next([=](float64 speed) {
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updatePlaybackSpeed(speed);
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}, speedItem->lifetime());
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_menu->addAction(std::move(speedItem));
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}
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_menu->addSeparator();
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_menu->addAction(tr::lng_mediaview_rotate_video(tr::now), [=] {
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_delegate->playbackControlsRotate();
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});
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_menu->setForcedOrigin(Ui::PanelAnimation::Origin::BottomLeft);
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_menu->popup(mapToGlobal(_menuToggle->geometry().topLeft()));
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}
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void PlaybackControls::updatePlaybackSpeed(float64 speed) {
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DEBUG_LOG(("Media playback speed: update to %1.").arg(speed));
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_delegate->playbackControlsSpeedChanged(speed);
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resizeEvent(nullptr);
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}
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void PlaybackControls::updatePlayback(const Player::TrackState &state) {
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updatePlayPauseResumeState(state);
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_playbackProgress->updateState(state, countDownloadedTillPercent(state));
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updateTimeTexts(state);
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}
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void PlaybackControls::updateVolumeToggleIcon() {
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const auto volume = _delegate->playbackControlsCurrentVolume();
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_volumeToggle->setIconOverride([&] {
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return (volume <= 0.)
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? nullptr
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: (volume < 1 / 2.)
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? &st::mediaviewVolumeIcon1
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: &st::mediaviewVolumeIcon2;
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}(), [&] {
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return (volume <= 0.)
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? nullptr
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: (volume < 1 / 2.)
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? &st::mediaviewVolumeIcon1Over
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: &st::mediaviewVolumeIcon2Over;
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}());
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}
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float64 PlaybackControls::countDownloadedTillPercent(
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const Player::TrackState &state) const {
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if (_loadingReady > 0 && _loadingReady == _loadingTotal) {
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return 1.;
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}
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const auto header = state.fileHeaderSize;
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if (!header || _loadingReady <= header || _loadingTotal <= header) {
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return 0.;
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}
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return (_loadingReady - header) / float64(_loadingTotal - header);
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}
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void PlaybackControls::setLoadingProgress(int ready, int total) {
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if (_loadingReady == ready && _loadingTotal == total) {
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return;
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}
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_loadingReady = ready;
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_loadingTotal = total;
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if (_loadingReady != 0 && _loadingReady != _loadingTotal) {
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if (!_downloadProgress) {
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_downloadProgress.create(this, st::mediaviewPlayProgressLabel);
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_downloadProgress->setVisible(!_fadeAnimation->animating());
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_loadingPercent = -1;
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}
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const auto progress = total ? (ready / float64(total)) : 0.;
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const auto percent = int(base::SafeRound(progress * 100));
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if (_loadingPercent != percent) {
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_loadingPercent = percent;
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_downloadProgress->setText(QString::number(percent) + '%');
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updateDownloadProgressPosition();
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refreshFadeCache();
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}
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} else {
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_downloadProgress.destroy();
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}
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}
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void PlaybackControls::refreshFadeCache() {
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if (!_fadeAnimation->animating()) {
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return;
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}
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startFading([&] {
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_fadeAnimation->refreshCache();
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});
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}
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void PlaybackControls::updatePlayPauseResumeState(const Player::TrackState &state) {
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auto showPause = ShowPauseIcon(state.state) || (_seekPositionMs >= 0);
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if (showPause != _showPause) {
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_showPause = showPause;
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_playPauseResume->setIconOverride(_showPause ? &st::mediaviewPauseIcon : nullptr, _showPause ? &st::mediaviewPauseIconOver : nullptr);
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}
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}
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void PlaybackControls::updateTimeTexts(const Player::TrackState &state) {
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qint64 position = 0;
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if (Player::IsStoppedAtEnd(state.state)) {
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position = state.length;
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} else if (!Player::IsStoppedOrStopping(state.state)) {
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position = state.position;
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} else {
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position = 0;
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}
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auto playFrequency = state.frequency;
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auto playAlready = position / playFrequency;
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auto playLeft = (state.length / playFrequency) - playAlready;
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_lastDurationMs = (state.length * crl::time(1000)) / playFrequency;
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_timeAlready = Ui::FormatDurationText(playAlready);
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auto minus = QChar(8722);
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_timeLeft = minus + Ui::FormatDurationText(playLeft);
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if (_seekPositionMs < 0) {
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refreshTimeTexts();
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}
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}
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void PlaybackControls::refreshTimeTexts() {
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auto alreadyChanged = false, leftChanged = false;
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auto timeAlready = _timeAlready;
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auto timeLeft = _timeLeft;
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if (_seekPositionMs >= 0) {
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auto playAlready = _seekPositionMs / crl::time(1000);
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auto playLeft = (_lastDurationMs / crl::time(1000)) - playAlready;
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timeAlready = Ui::FormatDurationText(playAlready);
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auto minus = QChar(8722);
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timeLeft = minus + Ui::FormatDurationText(playLeft);
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}
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_playedAlready->setText(timeAlready, &alreadyChanged);
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_toPlayLeft->setText(timeLeft, &leftChanged);
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if (alreadyChanged || leftChanged) {
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resizeEvent(nullptr);
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refreshFadeCache();
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}
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}
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void PlaybackControls::setInFullScreen(bool inFullScreen) {
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if (_inFullScreen != inFullScreen) {
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_inFullScreen = inFullScreen;
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_fullScreenToggle->setIconOverride(
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_inFullScreen ? &st::mediaviewFullScreenOutIcon : nullptr,
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_inFullScreen ? &st::mediaviewFullScreenOutIconOver : nullptr);
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}
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}
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void PlaybackControls::resizeEvent(QResizeEvent *e) {
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const auto textSkip = st::mediaviewPlayProgressSkip;
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const auto textLeft = st::mediaviewPlayProgressLeft;
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const auto textTop = st::mediaviewPlaybackTop + (_playbackSlider->height() - _playedAlready->height()) / 2;
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_playedAlready->moveToLeft(textLeft + textSkip, textTop);
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_toPlayLeft->moveToRight(textLeft + textSkip, textTop);
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const auto remove = 2 * textLeft + 4 * textSkip + _playedAlready->width() + _toPlayLeft->width();
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auto playbackWidth = width() - remove;
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_playbackSlider->resize(playbackWidth, st::mediaviewPlayback.seekSize.height());
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_playbackSlider->moveToLeft(textLeft + 2 * textSkip + _playedAlready->width(), st::mediaviewPlaybackTop);
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_playPauseResume->moveToLeft(
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(width() - _playPauseResume->width()) / 2,
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st::mediaviewPlayButtonTop);
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auto right = st::mediaviewMenuToggleSkip;
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_menuToggle->moveToRight(right, st::mediaviewButtonsTop);
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right += _menuToggle->width() + st::mediaviewPipButtonSkip;
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_pictureInPicture->moveToRight(right, st::mediaviewButtonsTop);
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right += _pictureInPicture->width() + st::mediaviewFullScreenButtonSkip;
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_fullScreenToggle->moveToRight(right, st::mediaviewButtonsTop);
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updateDownloadProgressPosition();
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auto left = st::mediaviewVolumeToggleSkip;
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_volumeToggle->moveToLeft(left, st::mediaviewVolumeTop);
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left += _volumeToggle->width() + st::mediaviewVolumeSkip;
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_volumeController->resize(
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st::mediaviewVolumeWidth,
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st::mediaviewPlayback.seekSize.height());
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_volumeController->moveToLeft(left, st::mediaviewVolumeTop + (_volumeToggle->height() - _volumeController->height()) / 2);
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}
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void PlaybackControls::updateDownloadProgressPosition() {
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if (!_downloadProgress) {
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return;
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}
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const auto left = _playPauseResume->x() + _playPauseResume->width();
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const auto right = _fullScreenToggle->x();
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const auto available = right - left;
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const auto x = left + (available - _downloadProgress->width()) / 2;
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const auto y = _playPauseResume->y() + (_playPauseResume->height() - _downloadProgress->height()) / 2;
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_downloadProgress->move(x, y);
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}
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void PlaybackControls::paintEvent(QPaintEvent *e) {
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Painter p(this);
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if (_fadeAnimation->paint(p)) {
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return;
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}
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if (_childrenHidden) {
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showChildren();
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_playbackSlider->setFadeOpacity(1.);
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_volumeController->setFadeOpacity(1.);
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_childrenHidden = false;
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}
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Ui::FillRoundRect(p, rect(), st::mediaviewSaveMsgBg, Ui::MediaviewSaveCorners);
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}
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void PlaybackControls::mousePressEvent(QMouseEvent *e) {
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e->accept(); // Don't pass event to the Media::View::OverlayWidget.
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}
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bool PlaybackControls::hasMenu() const {
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return _menu != nullptr;
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}
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PlaybackControls::~PlaybackControls() = default;
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} // namespace View
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} // namespace Media
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