Initial commit.
This commit is contained in:
Jonas Kvinge
784
src/core/player.cpp
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784
src/core/player.cpp
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@@ -0,0 +1,784 @@
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/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "player.h"
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#include "config.h"
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#include <memory>
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#include <QSortFilterProxyModel>
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#include <QtDebug>
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#include <QtConcurrentRun>
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#include "core/application.h"
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#include "core/logging.h"
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#include "core/urlhandler.h"
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#include "core/timeconstants.h"
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#include "engine/enginetype.h"
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#include "engine/enginebase.h"
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#include "engine/enginedevice.h"
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#ifdef HAVE_GSTREAMER
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# include "engine/gstengine.h"
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#endif
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#ifdef HAVE_XINE
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# include "engine/xineengine.h"
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#endif
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#ifdef HAVE_PHONON
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# include "engine/phononengine.h"
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#endif
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#ifdef HAVE_VLC
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# include "engine/vlcengine.h"
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#endif
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#include "collection/collectionbackend.h"
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#include "playlist/playlist.h"
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#include "playlist/playlistitem.h"
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#include "playlist/playlistmanager.h"
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#include "analyzer/analyzercontainer.h"
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#include "equalizer/equalizer.h"
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#include "settings/backendsettingspage.h"
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#include "settings/behavioursettingspage.h"
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#include "settings/playlistsettingspage.h"
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using std::shared_ptr;
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Player::Player(Application *app, QObject *parent)
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: PlayerInterface(parent),
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app_(app),
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//engine_(new GstEngine(app_->task_manager())),
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//engine_(CreateEngine()),
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stream_change_type_(Engine::First),
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last_state_(Engine::Empty),
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nb_errors_received_(0),
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volume_before_mute_(50),
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last_pressed_previous_(QDateTime::currentDateTime()),
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menu_previousmode_(PreviousBehaviour_DontRestart),
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seek_step_sec_(10)
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{
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//qLog(Debug) << __PRETTY_FUNCTION__;
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QSettings s;
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s.beginGroup(BackendSettingsPage::kSettingsGroup);
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Engine::EngineType enginetype = Engine::EngineTypeFromName(s.value("engine", BackendSettingsPage::EngineText_Xine).toString().toLower());
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s.endGroup();
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CreateEngine(enginetype);
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settings_.beginGroup("Player");
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SetVolume(settings_.value("volume", 100).toInt());
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#if 0
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connect(engine_.get(), SIGNAL(Error(QString)), SIGNAL(Error(QString)));
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connect(engine_.get(), SIGNAL(ValidSongRequested(QUrl)), SLOT(ValidSongRequested(QUrl)));
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connect(engine_.get(), SIGNAL(InvalidSongRequested(QUrl)), SLOT(InvalidSongRequested(QUrl)));
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#endif
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}
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Player::~Player() {}
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EngineBase *Player::CreateEngine(Engine::EngineType enginetype) {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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bool engine = false;
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EngineBase *enginebase = nullptr;
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for (int i = 1 ; !engine ; i++) {
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switch(enginetype) {
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case Engine::None:
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#ifdef HAVE_XINE
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case Engine::Xine:
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engine=true;
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enginetype=Engine::Xine;
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enginebase = new XineEngine(app_->task_manager());
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break;
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#endif
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#ifdef HAVE_GSTREAMER
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case Engine::GStreamer:
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engine=true;
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enginetype=Engine::GStreamer;
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enginebase = new GstEngine(app_->task_manager());
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break;
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#endif
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#ifdef HAVE_PHONON
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case Engine::Phonon:
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engine=true;
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enginetype=Engine::Phonon;
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enginebase = new PhononEngine(app_->task_manager());
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break;
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#endif
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#ifdef HAVE_VLC
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case Engine::VLC:
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engine=true;
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enginetype=Engine::VLC;
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enginebase = new VLCEngine(app_->task_manager());
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break;
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#endif
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default:
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if (i > 1) { qFatal("No engine available!"); return nullptr; }
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QSettings s;
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s.beginGroup(BackendSettingsPage::kSettingsGroup);
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s.setValue("engine", "");
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s.setValue("output", "");
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s.setValue("device", "");
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s.endGroup();
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enginetype = Engine::None;
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break;
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}
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}
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QSettings s;
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s.beginGroup(BackendSettingsPage::kSettingsGroup);
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s.setValue("engine", Engine::EngineNameFromType(enginetype));
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s.endGroup();
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if (enginebase == nullptr) {
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qFatal("Failed to create engine!");
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return nullptr;
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}
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engine_.reset(enginebase);
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return enginebase;
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}
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void Player::Init() {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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connect(engine_.get(), SIGNAL(Error(QString)), SIGNAL(Error(QString)));
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connect(engine_.get(), SIGNAL(ValidSongRequested(QUrl)), SLOT(ValidSongRequested(QUrl)));
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connect(engine_.get(), SIGNAL(InvalidSongRequested(QUrl)), SLOT(InvalidSongRequested(QUrl)));
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if (!engine_->Init()) qFatal("Error initialising audio engine");
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connect(engine_.get(), SIGNAL(StateChanged(Engine::State)), SLOT(EngineStateChanged(Engine::State)));
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connect(engine_.get(), SIGNAL(TrackAboutToEnd()), SLOT(TrackAboutToEnd()));
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connect(engine_.get(), SIGNAL(TrackEnded()), SLOT(TrackEnded()));
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connect(engine_.get(), SIGNAL(MetaData(Engine::SimpleMetaBundle)), SLOT(EngineMetadataReceived(Engine::SimpleMetaBundle)));
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engine_->SetVolume(settings_.value("volume", 50).toInt());
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analyzer_->SetEngine(engine_.get());
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// Equalizer
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qLog(Debug) << "Creating equalizer";
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connect(equalizer_, SIGNAL(ParametersChanged(int,QList<int>)), app_->player()->engine(), SLOT(SetEqualizerParameters(int,QList<int>)));
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connect(equalizer_, SIGNAL(EnabledChanged(bool)), app_->player()->engine(), SLOT(SetEqualizerEnabled(bool)));
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connect(equalizer_, SIGNAL(StereoBalanceChanged(float)), app_->player()->engine(), SLOT(SetStereoBalance(float)));
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engine_->SetEqualizerEnabled(equalizer_->is_enabled());
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engine_->SetEqualizerParameters(equalizer_->preamp_value(), equalizer_->gain_values());
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engine_->SetStereoBalance(equalizer_->stereo_balance());
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ReloadSettings();
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}
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void Player::SetAnalyzer(AnalyzerContainer *analyzer) {
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analyzer_ = analyzer;
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}
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void Player::SetEqualizer(Equalizer *equalizer) {
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equalizer_ = equalizer;
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}
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void Player::ReloadSettings() {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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QSettings s;
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s.beginGroup(PlaylistSettingsPage::kSettingsGroup);
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menu_previousmode_ = PreviousBehaviour(s.value("menu_previousmode", PreviousBehaviour_DontRestart).toInt());
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s.endGroup();
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s.beginGroup(BehaviourSettingsPage::kSettingsGroup);
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seek_step_sec_ = s.value("seek_step_sec", 10).toInt();
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s.endGroup();
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engine_->ReloadSettings();
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}
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void Player::HandleLoadResult(const UrlHandler::LoadResult &result) {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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// Might've been an async load, so check we're still on the same item
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shared_ptr<PlaylistItem> item = app_->playlist_manager()->active()->current_item();
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if (!item) {
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loading_async_ = QUrl();
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return;
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}
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if (item->Url() != result.original_url_) return;
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switch (result.type_) {
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case UrlHandler::LoadResult::NoMoreTracks:
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qLog(Debug) << "URL handler for" << result.original_url_ << "said no more tracks";
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loading_async_ = QUrl();
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NextItem(stream_change_type_);
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break;
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case UrlHandler::LoadResult::TrackAvailable: {
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qLog(Debug) << "URL handler for" << result.original_url_ << "returned" << result.media_url_;
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// If there was no length info in song's metadata, use the one provided by
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// URL handler, if there is one
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if (item->Metadata().length_nanosec() <= 0 && result.length_nanosec_ != -1) {
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Song song = item->Metadata();
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song.set_length_nanosec(result.length_nanosec_);
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item->SetTemporaryMetadata(song);
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app_->playlist_manager()->active()->InformOfCurrentSongChange();
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}
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engine_->Play(result.media_url_, stream_change_type_, item->Metadata().has_cue(), item->Metadata().beginning_nanosec(), item->Metadata().end_nanosec());
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current_item_ = item;
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loading_async_ = QUrl();
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break;
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}
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case UrlHandler::LoadResult::WillLoadAsynchronously:
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qLog(Debug) << "URL handler for" << result.original_url_ << "is loading asynchronously";
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// We'll get called again later with either NoMoreTracks or TrackAvailable
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loading_async_ = result.original_url_;
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break;
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}
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}
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void Player::Next() { NextInternal(Engine::Manual); }
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void Player::NextInternal(Engine::TrackChangeFlags change) {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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if (HandleStopAfter()) return;
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if (app_->playlist_manager()->active()->current_item()) {
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const QUrl url = app_->playlist_manager()->active()->current_item()->Url();
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if (url_handlers_.contains(url.scheme())) {
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// The next track is already being loaded
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if (url == loading_async_) return;
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stream_change_type_ = change;
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HandleLoadResult(url_handlers_[url.scheme()]->LoadNext(url));
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return;
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}
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}
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NextItem(change);
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}
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void Player::NextItem(Engine::TrackChangeFlags change) {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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Playlist *active_playlist = app_->playlist_manager()->active();
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// If we received too many errors in auto change, with repeat enabled, we stop
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if (change == Engine::Auto) {
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const PlaylistSequence::RepeatMode repeat_mode = active_playlist->sequence()->repeat_mode();
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if (repeat_mode != PlaylistSequence::Repeat_Off) {
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if ((repeat_mode == PlaylistSequence::Repeat_Track && nb_errors_received_ >= 3) || (nb_errors_received_ >= app_->playlist_manager()->active()->proxy()->rowCount())) {
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// We received too many "Error" state changes: probably looping over a
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// playlist which contains only unavailable elements: stop now.
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nb_errors_received_ = 0;
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Stop();
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return;
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}
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}
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}
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// Manual track changes override "Repeat track"
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const bool ignore_repeat_track = change & Engine::Manual;
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int i = active_playlist->next_row(ignore_repeat_track);
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if (i == -1) {
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app_->playlist_manager()->active()->set_current_row(i);
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emit PlaylistFinished();
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Stop();
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return;
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}
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PlayAt(i, change, false);
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}
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bool Player::HandleStopAfter() {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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if (app_->playlist_manager()->active()->stop_after_current()) {
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// Find what the next track would've been, and mark that one as current
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// so it plays next time the user presses Play.
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const int next_row = app_->playlist_manager()->active()->next_row();
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if (next_row != -1) {
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app_->playlist_manager()->active()->set_current_row(next_row, true);
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}
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app_->playlist_manager()->active()->StopAfter(-1);
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Stop(true);
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return true;
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}
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return false;
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}
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void Player::TrackEnded() {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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if (HandleStopAfter()) return;
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if (current_item_ && current_item_->IsLocalCollectionItem() && current_item_->Metadata().id() != -1) {
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app_->playlist_manager()->collection_backend()->IncrementPlayCountAsync( current_item_->Metadata().id());
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}
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NextInternal(Engine::Auto);
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}
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void Player::PlayPause() {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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switch (engine_->state()) {
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case Engine::Paused:
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engine_->Unpause();
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break;
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case Engine::Playing: {
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if (current_item_->options() & PlaylistItem::PauseDisabled) {
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Stop();
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}
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else {
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engine_->Pause();
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}
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break;
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}
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case Engine::Empty:
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case Engine::Error:
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case Engine::Idle: {
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app_->playlist_manager()->SetActivePlaylist(app_->playlist_manager()->current_id());
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if (app_->playlist_manager()->active()->rowCount() == 0) break;
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int i = app_->playlist_manager()->active()->current_row();
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if (i == -1) i = app_->playlist_manager()->active()->last_played_row();
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if (i == -1) i = 0;
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PlayAt(i, Engine::First, true);
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break;
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}
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}
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}
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void Player::RestartOrPrevious() {
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if (engine_->position_nanosec() < 8 * kNsecPerSec) return Previous();
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SeekTo(0);
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}
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void Player::Stop(bool stop_after) {
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engine_->Stop(stop_after);
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app_->playlist_manager()->active()->set_current_row(-1);
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current_item_.reset();
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}
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void Player::StopAfterCurrent() {
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app_->playlist_manager()->active()->StopAfter(app_->playlist_manager()->active()->current_row());
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}
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bool Player::PreviousWouldRestartTrack() const {
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// Check if it has been over two seconds since previous button was pressed
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return menu_previousmode_ == PreviousBehaviour_Restart && last_pressed_previous_.isValid() && last_pressed_previous_.secsTo(QDateTime::currentDateTime()) >= 2;
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}
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void Player::Previous() { PreviousItem(Engine::Manual); }
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void Player::PreviousItem(Engine::TrackChangeFlags change) {
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const bool ignore_repeat_track = change & Engine::Manual;
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if (menu_previousmode_ == PreviousBehaviour_Restart) {
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// Check if it has been over two seconds since previous button was pressed
|
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QDateTime now = QDateTime::currentDateTime();
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if (last_pressed_previous_.isValid() && last_pressed_previous_.secsTo(now) >= 2) {
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last_pressed_previous_ = now;
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PlayAt(app_->playlist_manager()->active()->current_row(), change, false);
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return;
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}
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last_pressed_previous_ = now;
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}
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int i = app_->playlist_manager()->active()->previous_row(ignore_repeat_track);
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app_->playlist_manager()->active()->set_current_row(i);
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if (i == -1) {
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Stop();
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PlayAt(i, change, true);
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return;
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}
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PlayAt(i, change, false);
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|
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}
|
||||
|
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void Player::EngineStateChanged(Engine::State state) {
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||||
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if (Engine::Error == state) {
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nb_errors_received_++;
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}
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else {
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nb_errors_received_ = 0;
|
||||
}
|
||||
|
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switch (state) {
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case Engine::Paused:
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emit Paused();
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break;
|
||||
case Engine::Playing:
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emit Playing();
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break;
|
||||
case Engine::Error:
|
||||
case Engine::Empty:
|
||||
case Engine::Idle:
|
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emit Stopped();
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break;
|
||||
}
|
||||
last_state_ = state;
|
||||
|
||||
}
|
||||
|
||||
void Player::SetVolume(int value) {
|
||||
|
||||
int old_volume = engine_->volume();
|
||||
|
||||
int volume = qBound(0, value, 100);
|
||||
settings_.setValue("volume", volume);
|
||||
engine_->SetVolume(volume);
|
||||
|
||||
if (volume != old_volume) {
|
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emit VolumeChanged(volume);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
int Player::GetVolume() const { return engine_->volume(); }
|
||||
|
||||
void Player::PlayAt(int index, Engine::TrackChangeFlags change, bool reshuffle) {
|
||||
|
||||
if (change == Engine::Manual && engine_->position_nanosec() != engine_->length_nanosec()) {
|
||||
emit TrackSkipped(current_item_);
|
||||
const QUrl& url = current_item_->Url();
|
||||
if (url_handlers_.contains(url.scheme())) {
|
||||
url_handlers_[url.scheme()]->TrackSkipped();
|
||||
}
|
||||
}
|
||||
|
||||
if (current_item_ && app_->playlist_manager()->active()->has_item_at(index) && current_item_->Metadata().IsOnSameAlbum(app_->playlist_manager()->active()->item_at(index)->Metadata())) {
|
||||
change |= Engine::SameAlbum;
|
||||
}
|
||||
|
||||
if (reshuffle) app_->playlist_manager()->active()->ReshuffleIndices();
|
||||
app_->playlist_manager()->active()->set_current_row(index);
|
||||
|
||||
if (app_->playlist_manager()->active()->current_row() == -1) {
|
||||
// Maybe index didn't exist in the playlist.
|
||||
return;
|
||||
}
|
||||
|
||||
current_item_ = app_->playlist_manager()->active()->current_item();
|
||||
const QUrl url = current_item_->Url();
|
||||
|
||||
if (url_handlers_.contains(url.scheme())) {
|
||||
// It's already loading
|
||||
if (url == loading_async_) return;
|
||||
|
||||
stream_change_type_ = change;
|
||||
HandleLoadResult(url_handlers_[url.scheme()]->StartLoading(url));
|
||||
}
|
||||
else {
|
||||
loading_async_ = QUrl();
|
||||
engine_->Play(current_item_->Url(), change, current_item_->Metadata().has_cue(), current_item_->Metadata().beginning_nanosec(), current_item_->Metadata().end_nanosec());
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void Player::CurrentMetadataChanged(const Song &metadata) {
|
||||
// those things might have changed (especially when a previously invalid
|
||||
// song was reloaded) so we push the latest version into Engine
|
||||
engine_->RefreshMarkers(metadata.beginning_nanosec(), metadata.end_nanosec());
|
||||
|
||||
}
|
||||
|
||||
void Player::SeekTo(int seconds) {
|
||||
|
||||
const qint64 length_nanosec = engine_->length_nanosec();
|
||||
|
||||
// If the length is 0 then either there is no song playing, or the song isn't
|
||||
// seekable.
|
||||
if (length_nanosec <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
const qint64 nanosec = qBound(0ll, qint64(seconds) * kNsecPerSec, length_nanosec);
|
||||
engine_->Seek(nanosec);
|
||||
|
||||
emit Seeked(nanosec / 1000);
|
||||
|
||||
}
|
||||
|
||||
void Player::SeekForward() {
|
||||
SeekTo(engine()->position_nanosec() / kNsecPerSec + seek_step_sec_);
|
||||
//SeekTo(engine()->position_nanosec() / kNsecPerSec + 10);
|
||||
}
|
||||
|
||||
void Player::SeekBackward() {
|
||||
//SeekTo(engine()->position_nanosec() / kNsecPerSec - 10);
|
||||
SeekTo(engine()->position_nanosec() / kNsecPerSec - seek_step_sec_);
|
||||
}
|
||||
|
||||
void Player::EngineMetadataReceived(const Engine::SimpleMetaBundle &bundle) {
|
||||
|
||||
PlaylistItemPtr item = app_->playlist_manager()->active()->current_item();
|
||||
if (!item) return;
|
||||
|
||||
Engine::SimpleMetaBundle bundle_copy = bundle;
|
||||
|
||||
// Maybe the metadata is from icycast and has "Artist - Title" shoved
|
||||
// together in the title field.
|
||||
const int dash_pos = bundle_copy.title.indexOf('-');
|
||||
if (dash_pos != -1 && bundle_copy.artist.isEmpty()) {
|
||||
// Split on " - " if it exists, otherwise split on "-".
|
||||
const int space_dash_pos = bundle_copy.title.indexOf(" - ");
|
||||
if (space_dash_pos != -1) {
|
||||
bundle_copy.artist = bundle_copy.title.left(space_dash_pos).trimmed();
|
||||
bundle_copy.title = bundle_copy.title.mid(space_dash_pos + 3).trimmed();
|
||||
} else {
|
||||
bundle_copy.artist = bundle_copy.title.left(dash_pos).trimmed();
|
||||
bundle_copy.title = bundle_copy.title.mid(dash_pos + 1).trimmed();
|
||||
}
|
||||
}
|
||||
|
||||
Song song = item->Metadata();
|
||||
song.MergeFromSimpleMetaBundle(bundle_copy);
|
||||
|
||||
// Ignore useless metadata
|
||||
if (song.title().isEmpty() && song.artist().isEmpty()) return;
|
||||
|
||||
app_->playlist_manager()->active()->SetStreamMetadata(item->Url(), song);
|
||||
|
||||
}
|
||||
|
||||
PlaylistItemPtr Player::GetItemAt(int pos) const {
|
||||
|
||||
if (pos < 0 || pos >= app_->playlist_manager()->active()->rowCount())
|
||||
return PlaylistItemPtr();
|
||||
return app_->playlist_manager()->active()->item_at(pos);
|
||||
|
||||
}
|
||||
|
||||
void Player::Mute() {
|
||||
|
||||
const int current_volume = engine_->volume();
|
||||
|
||||
if (current_volume == 0) {
|
||||
SetVolume(volume_before_mute_);
|
||||
}
|
||||
else {
|
||||
volume_before_mute_ = current_volume;
|
||||
SetVolume(0);
|
||||
}
|
||||
}
|
||||
|
||||
void Player::Pause() { engine_->Pause(); }
|
||||
|
||||
void Player::Play() {
|
||||
switch (GetState()) {
|
||||
case Engine::Playing:
|
||||
SeekTo(0);
|
||||
break;
|
||||
case Engine::Paused:
|
||||
engine_->Unpause();
|
||||
break;
|
||||
default:
|
||||
PlayPause();
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void Player::ShowOSD() {
|
||||
if (current_item_) emit ForceShowOSD(current_item_->Metadata(), false);
|
||||
}
|
||||
|
||||
void Player::TogglePrettyOSD() {
|
||||
if (current_item_) emit ForceShowOSD(current_item_->Metadata(), true);
|
||||
}
|
||||
|
||||
void Player::TrackAboutToEnd() {
|
||||
|
||||
// If the current track was from a URL handler then it might have special
|
||||
// behaviour to queue up a subsequent track. We don't want to preload (and
|
||||
// scrobble) the next item in the playlist if it's just going to be stopped
|
||||
// again immediately after.
|
||||
if (app_->playlist_manager()->active()->current_item()) {
|
||||
const QUrl url = app_->playlist_manager()->active()->current_item()->Url();
|
||||
if (url_handlers_.contains(url.scheme())) {
|
||||
url_handlers_[url.scheme()]->TrackAboutToEnd();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
const bool has_next_row = app_->playlist_manager()->active()->next_row() != -1;
|
||||
PlaylistItemPtr next_item;
|
||||
|
||||
if (has_next_row) {
|
||||
next_item = app_->playlist_manager()->active()->item_at(app_->playlist_manager()->active()->next_row());
|
||||
}
|
||||
|
||||
if (engine_->is_autocrossfade_enabled()) {
|
||||
// Crossfade is on, so just start playing the next track. The current one
|
||||
// will fade out, and the new one will fade in
|
||||
|
||||
// But, if there's no next track and we don't want to fade out, then do
|
||||
// nothing and just let the track finish to completion.
|
||||
if (!engine_->is_fadeout_enabled() && !has_next_row) return;
|
||||
|
||||
// If the next track is on the same album (or same cue file), and the
|
||||
// user doesn't want to crossfade between tracks on the same album, then
|
||||
// don't do this automatic crossfading.
|
||||
if (engine_->crossfade_same_album() || !has_next_row || !next_item || !current_item_->Metadata().IsOnSameAlbum(next_item->Metadata())) {
|
||||
TrackEnded();
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
// Crossfade is off, so start preloading the next track so we don't get a
|
||||
// gap between songs.
|
||||
if (!has_next_row || !next_item) return;
|
||||
|
||||
QUrl url = next_item->Url();
|
||||
|
||||
// Get the actual track URL rather than the stream URL.
|
||||
if (url_handlers_.contains(url.scheme())) {
|
||||
UrlHandler::LoadResult result = url_handlers_[url.scheme()]->LoadNext(url);
|
||||
switch (result.type_) {
|
||||
case UrlHandler::LoadResult::NoMoreTracks:
|
||||
return;
|
||||
|
||||
case UrlHandler::LoadResult::WillLoadAsynchronously:
|
||||
loading_async_ = url;
|
||||
return;
|
||||
|
||||
case UrlHandler::LoadResult::TrackAvailable:
|
||||
url = result.media_url_;
|
||||
break;
|
||||
}
|
||||
}
|
||||
engine_->StartPreloading(url, next_item->Metadata().has_cue(), next_item->Metadata().beginning_nanosec(), next_item->Metadata().end_nanosec());
|
||||
|
||||
}
|
||||
|
||||
void Player::IntroPointReached() { NextInternal(Engine::Intro); }
|
||||
|
||||
void Player::ValidSongRequested(const QUrl &url) {
|
||||
emit SongChangeRequestProcessed(url, true);
|
||||
}
|
||||
|
||||
void Player::InvalidSongRequested(const QUrl &url) {
|
||||
|
||||
// first send the notification to others...
|
||||
emit SongChangeRequestProcessed(url, false);
|
||||
// ... and now when our listeners have completed their processing of the
|
||||
// current item we can change the current item by skipping to the next song
|
||||
//NextItem(Engine::Auto);
|
||||
|
||||
}
|
||||
|
||||
void Player::RegisterUrlHandler(UrlHandler *handler) {
|
||||
|
||||
const QString scheme = handler->scheme();
|
||||
|
||||
if (url_handlers_.contains(scheme)) {
|
||||
qLog(Warning) << "Tried to register a URL handler for" << scheme << "but one was already registered";
|
||||
return;
|
||||
}
|
||||
|
||||
qLog(Info) << "Registered URL handler for" << scheme;
|
||||
url_handlers_.insert(scheme, handler);
|
||||
connect(handler, SIGNAL(destroyed(QObject*)), SLOT(UrlHandlerDestroyed(QObject*)));
|
||||
connect(handler, SIGNAL(AsyncLoadComplete(UrlHandler::LoadResult)), SLOT(HandleLoadResult(UrlHandler::LoadResult)));
|
||||
|
||||
}
|
||||
|
||||
void Player::UnregisterUrlHandler(UrlHandler *handler) {
|
||||
|
||||
const QString scheme = url_handlers_.key(handler);
|
||||
if (scheme.isEmpty()) {
|
||||
qLog(Warning) << "Tried to unregister a URL handler for" << handler->scheme() << "that wasn't registered";
|
||||
return;
|
||||
}
|
||||
|
||||
qLog(Info) << "Unregistered URL handler for" << scheme;
|
||||
url_handlers_.remove(scheme);
|
||||
disconnect(handler, SIGNAL(destroyed(QObject*)), this, SLOT(UrlHandlerDestroyed(QObject*)));
|
||||
disconnect(handler, SIGNAL(AsyncLoadComplete(UrlHandler::LoadResult)), this, SLOT(HandleLoadResult(UrlHandler::LoadResult)));
|
||||
|
||||
}
|
||||
|
||||
const UrlHandler *Player::HandlerForUrl(const QUrl &url) const {
|
||||
|
||||
QMap<QString, UrlHandler*>::const_iterator it = url_handlers_.constFind(url.scheme());
|
||||
if (it == url_handlers_.constEnd()) {
|
||||
return nullptr;
|
||||
}
|
||||
return *it;
|
||||
|
||||
}
|
||||
|
||||
void Player::UrlHandlerDestroyed(QObject *object) {
|
||||
|
||||
UrlHandler *handler = static_cast<UrlHandler*>(object);
|
||||
const QString scheme = url_handlers_.key(handler);
|
||||
if (!scheme.isEmpty()) {
|
||||
url_handlers_.remove(scheme);
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user