443 lines
13 KiB
C++
443 lines
13 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/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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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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, _speedMenuStyle(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 = snap(
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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 = snap(
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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::validateSpeedMenuStyle() {
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auto &st = _speedMenuStyle.menu;
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const auto &check = st::mediaviewMenuCheck;
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const auto normal = tr::lng_mediaview_playback_speed_normal(tr::now);
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const auto itemHeight = st.itemPadding.top()
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+ st.itemStyle.font->height
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+ st.itemPadding.bottom();
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const auto itemWidth = st.itemPadding.left()
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+ st.itemStyle.font->width(normal)
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+ st.itemPadding.right();
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if (itemWidth + st.itemPadding.right() + check.width() > st.widthMin) {
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st.widthMin = itemWidth + st.itemPadding.right() + check.width();
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}
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const auto realWidth = std::clamp(itemWidth, st.widthMin, st.widthMax);
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st.itemIconPosition = QPoint(
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realWidth - st.itemPadding.right() - check.width(),
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(itemHeight - check.height()) / 2);
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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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validateSpeedMenuStyle();
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auto submenu = std::make_unique<Ui::PopupMenu>(
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this,
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_speedMenuStyle);
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const auto addSpeed = [&](float64 speed, QString text = QString()) {
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if (text.isEmpty()) {
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text = QString::number(speed);
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}
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const auto checked = (speed == _delegate->playbackControlsCurrentSpeed());
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const auto action = submenu->addAction(
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text,
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[=] { updatePlaybackSpeed(speed); },
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checked ? &st::mediaviewMenuCheck : nullptr);
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};
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addSpeed(0.5);
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addSpeed(0.75);
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addSpeed(1., tr::lng_mediaview_playback_speed_normal(tr::now));
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addSpeed(1.25);
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addSpeed(1.5);
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addSpeed(1.75);
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addSpeed(2.);
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_menu.emplace(this, st::mediaviewControlsPopupMenu);
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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->addSeparator();
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_menu->addAction(
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tr::lng_mediaview_playback_speed(tr::now),
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std::move(submenu));
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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(std::round(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, length = state.length;
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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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PlaybackControls::~PlaybackControls() = default;
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} // namespace View
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} // namespace Media
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