263 lines
8.0 KiB
C++
263 lines
8.0 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/system_media_controls_manager.h"
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#include "media/audio/media_audio.h"
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#include "base/observer.h"
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#include "base/platform/base_platform_system_media_controls.h"
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#include "core/application.h"
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#include "core/core_settings.h"
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#include "data/data_document.h"
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#include "data/data_document_media.h"
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#include "data/data_file_origin.h"
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#include "mainwidget.h"
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#include "main/main_account.h"
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#include "main/main_session.h"
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#include "media/audio/media_audio.h"
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#include "media/player/media_player_instance.h"
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#include "media/streaming/media_streaming_instance.h"
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#include "media/streaming/media_streaming_player.h"
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#include "ui/text/format_song_document_name.h"
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#include "window/window_controller.h"
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namespace Media {
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bool SystemMediaControlsManager::Supported() {
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return base::Platform::SystemMediaControls::Supported();
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}
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SystemMediaControlsManager::SystemMediaControlsManager(
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not_null<Window::Controller*> controller)
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: _controls(std::make_unique<base::Platform::SystemMediaControls>()) {
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using PlaybackStatus =
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base::Platform::SystemMediaControls::PlaybackStatus;
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using Command = base::Platform::SystemMediaControls::Command;
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_controls->setServiceName(qsl("org.mpris.MediaPlayer2.tdesktop"));
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_controls->setApplicationName(AppName.utf16());
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const auto inited = _controls->init(controller->widget());
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if (!inited) {
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LOG(("SystemMediaControlsManager failed to init."));
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return;
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}
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const auto type = AudioMsgId::Type::Song;
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using TrackState = Media::Player::TrackState;
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const auto mediaPlayer = Media::Player::instance();
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auto trackFilter = rpl::filter([=](const TrackState &state) {
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return (state.id.type() == type);
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});
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mediaPlayer->updatedNotifier(
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) | trackFilter | rpl::map([=](const TrackState &state) {
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using namespace Media::Player;
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if (_streamed) {
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const auto &player = _streamed->player();
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if (player.buffering() || !player.playing()) {
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return PlaybackStatus::Paused;
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}
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}
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if (IsStoppedOrStopping(state.state)) {
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return PlaybackStatus::Stopped;
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} else if (IsPausedOrPausing(state.state)) {
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return PlaybackStatus::Paused;
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}
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return PlaybackStatus::Playing;
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}) | rpl::distinct_until_changed(
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) | rpl::start_with_next([=](PlaybackStatus status) {
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_controls->setPlaybackStatus(status);
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}, _lifetime);
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rpl::merge(
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mediaPlayer->stops(type) | rpl::map_to(false),
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mediaPlayer->startsPlay(type) | rpl::map_to(true)
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) | rpl::distinct_until_changed() | rpl::start_with_next([=](bool audio) {
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_controls->setEnabled(audio);
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if (audio) {
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_controls->setIsNextEnabled(mediaPlayer->nextAvailable(type));
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_controls->setIsPreviousEnabled(
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mediaPlayer->previousAvailable(type));
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_controls->setIsPlayPauseEnabled(true);
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_controls->setIsStopEnabled(true);
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_controls->setPlaybackStatus(PlaybackStatus::Playing);
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_controls->updateDisplay();
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} else {
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_cachedMediaView.clear();
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_streamed = nullptr;
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_controls->clearMetadata();
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}
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_lifetimeDownload.destroy();
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}, _lifetime);
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auto trackChanged = base::ObservableViewer(
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mediaPlayer->trackChangedNotifier()
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) | rpl::filter([=](AudioMsgId::Type audioType) {
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return audioType == type;
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});
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auto unlocked = Core::App().passcodeLockChanges(
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) | rpl::filter([=](bool locked) {
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return !locked && (mediaPlayer->current(type));
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}) | rpl::map([=] {
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return type;
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}) | rpl::before_next([=] {
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_controls->setEnabled(true);
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_controls->updateDisplay();
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});
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rpl::merge(
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std::move(trackChanged),
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std::move(unlocked)
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) | rpl::start_with_next([=](AudioMsgId::Type audioType) {
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_lifetimeDownload.destroy();
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const auto current = mediaPlayer->current(audioType);
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if (!current) {
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return;
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}
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if ((_lastAudioMsgId.contextId() == current.contextId())
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&& (_lastAudioMsgId.audio() == current.audio())
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&& (_lastAudioMsgId.type() == current.type())) {
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return;
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}
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const auto document = current.audio();
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const auto &[title, performer] = Ui::Text::FormatSongNameFor(document)
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.composedName();
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_controls->setArtist(performer);
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_controls->setTitle(title);
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if (_controls->seekingSupported()) {
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const auto state = mediaPlayer->getState(audioType);
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_controls->setDuration(state.length);
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// macOS NowPlaying and Linux MPRIS update the track position
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// according to the rate property
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// while the playback status is "playing",
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// so we should change the track position only when
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// the track is changed
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// or when the position is changed by the user.
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_controls->setPosition(state.position);
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_streamed = std::make_unique<Media::Streaming::Instance>(
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document,
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current.contextId(),
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nullptr);
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}
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// Setting a thumbnail can take a long time,
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// so we need to update the display before that.
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_controls->updateDisplay();
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if (document && document->isSongWithCover()) {
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const auto view = document->createMediaView();
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view->thumbnailWanted(current.contextId());
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_cachedMediaView.push_back(view);
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if (const auto imagePtr = view->thumbnail()) {
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_controls->setThumbnail(imagePtr->original());
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} else {
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document->session().downloaderTaskFinished(
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) | rpl::start_with_next([=] {
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if (const auto imagePtr = view->thumbnail()) {
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_controls->setThumbnail(imagePtr->original());
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_lifetimeDownload.destroy();
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}
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}, _lifetimeDownload);
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_controls->clearThumbnail();
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}
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} else {
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_controls->clearThumbnail();
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}
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_lastAudioMsgId = current;
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}, _lifetime);
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mediaPlayer->playlistChanges(
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type
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) | rpl::start_with_next([=] {
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_controls->setIsNextEnabled(mediaPlayer->nextAvailable(type));
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_controls->setIsPreviousEnabled(mediaPlayer->previousAvailable(type));
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}, _lifetime);
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_controls->commandRequests(
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) | rpl::start_with_next([=](Command command) {
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switch (command) {
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case Command::PlayPause: mediaPlayer->playPause(type); break;
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case Command::Play: mediaPlayer->play(type); break;
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case Command::Pause: mediaPlayer->pause(type); break;
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case Command::Next: mediaPlayer->next(type); break;
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case Command::Previous: mediaPlayer->previous(type); break;
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case Command::Stop: mediaPlayer->stop(type); break;
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case Command::Raise: controller->widget()->showFromTray(); break;
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case Command::Quit: {
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if (const auto main = controller->widget()->sessionContent()) {
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main->closeBothPlayers();
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}
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break;
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}
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}
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}, _lifetime);
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if (_controls->seekingSupported()) {
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mediaPlayer->seekingChanges(
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type
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) | rpl::filter([](Media::Player::Instance::Seeking seeking) {
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return (seeking == Media::Player::Instance::Seeking::Finish);
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}) | rpl::map([=] {
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return mediaPlayer->getState(type).position;
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}) | rpl::distinct_until_changed(
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) | rpl::start_with_next([=](int position) {
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_controls->setPosition(position);
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_controls->updateDisplay();
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}, _lifetime);
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_controls->seekRequests(
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) | rpl::start_with_next([=](float64 progress) {
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mediaPlayer->finishSeeking(type, progress);
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}, _lifetime);
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_controls->updatePositionRequests(
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) | rpl::start_with_next([=] {
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_controls->setPosition(mediaPlayer->getState(type).position);
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}, _lifetime);
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}
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Core::App().passcodeLockValue(
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) | rpl::filter([=](bool locked) {
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return locked && Core::App().maybeActiveSession();
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}) | rpl::start_with_next([=] {
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_controls->setEnabled(false);
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}, _lifetime);
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if (_controls->volumeSupported()) {
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rpl::single(
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Core::App().settings().songVolume()
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) | rpl::then(
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Core::App().settings().songVolumeChanges()
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) | rpl::start_with_next([=](float64 volume) {
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_controls->setVolume(volume);
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}, _lifetime);
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_controls->volumeChangeRequests(
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) | rpl::start_with_next([](float64 volume) {
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Player::mixer()->setSongVolume(volume);
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if (volume > 0) {
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Core::App().settings().setRememberedSongVolume(volume);
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}
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Core::App().settings().setSongVolume(volume);
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}, _lifetime);
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}
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}
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SystemMediaControlsManager::~SystemMediaControlsManager() = default;
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} // namespace Media
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