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/*
* Copyright 2008 Jason A. Donenfeld <Jason@zx2c4.com>
*/
#include "PlayerWindow.h"
#include "Song.h"
#include "CollectionModel.h"
#include "CollectionFilter.h"
#include "SearchLineEdit.h"
#include "Credentials.h"
#include "AutoSizingList.h"
#include <QDebug>
#include <QProgressBar>
#include <QStatusBar>
#include <QAction>
#include <QToolBar>
#include <QLabel>
#include <QVBoxLayout>
#include <QSortFilterProxyModel>
#include <QPushButton>
#include <AudioOutput>
//BEGIN CONSTRUCT OBJECTS
PlayerWindow::PlayerWindow(QWidget *parent, Qt::WindowFlags flags)
: QMainWindow(parent, flags)
, m_model(0)
, m_filter(0)
{
setupUi();
setupPhonon();
}
void PlayerWindow::setupUi()
{
m_playAction = new QAction(style()->standardIcon(QStyle::SP_MediaPlay), tr("Play"), this);
m_pauseAction = new QAction(style()->standardIcon(QStyle::SP_MediaPause), tr("Pause"), this);
m_stopAction = new QAction(style()->standardIcon(QStyle::SP_MediaStop), tr("Stop"), this);
m_nextAction = new QAction(style()->standardIcon(QStyle::SP_MediaSkipForward), tr("Next"), this);
m_previousAction = new QAction(style()->standardIcon(QStyle::SP_MediaSkipBackward), tr("Previous"), this);
connect(m_playAction, SIGNAL(triggered()), this, SLOT(playTriggered()));
connect(m_pauseAction, SIGNAL(triggered()), this, SLOT(pauseTriggered()));
connect(m_stopAction, SIGNAL(triggered()), this, SLOT(stopTriggered()));
connect(m_nextAction, SIGNAL(triggered()), this, SLOT(nextTriggered()));
connect(m_previousAction, SIGNAL(triggered()), this, SLOT(previousTriggered()));
m_playAction->setDisabled(true);
m_pauseAction->setDisabled(true);
m_stopAction->setDisabled(true);
m_nextAction->setDisabled(true);
m_previousAction->setDisabled(true);
//TODO: change to volumemediamute on 0 volume
m_volumeSlider = new Phonon::VolumeSlider(this);
m_volumeSlider->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
QLabel *volumeLabel = new QLabel(this);
volumeLabel->setPixmap(style()->standardIcon(QStyle::SP_MediaVolume).pixmap(16));
m_seekSlider = new Phonon::SeekSlider(this);
m_seekSlider->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
QToolBar *toolBar = new QToolBar(this);
toolBar->addAction(m_previousAction);
toolBar->addAction(m_playAction); //TODO: make it play/pause one button
toolBar->addAction(m_pauseAction);
toolBar->addAction(m_stopAction);
toolBar->addAction(m_nextAction);
toolBar->addWidget(m_seekSlider);
toolBar->addWidget(volumeLabel);
toolBar->addWidget(m_volumeSlider);
toolBar->setIconSize(QSize(16, 16));
toolBar->setMovable(false);
setUnifiedTitleAndToolBarOnMac(true);
addToolBar(toolBar);
QWidget *centralWidget = new QWidget(this);
QVBoxLayout *layout = new QVBoxLayout;
layout->setSpacing(0);
layout->setMargin(0);
m_searchEdit = new SearchLineEdit(this);
m_searchEdit->setDisabled(true);
m_searchEdit->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
connect(m_searchEdit, SIGNAL(textChanged(const QString&)), this, SLOT(searchChanged(const QString&)));
layout->addWidget(m_searchEdit);
m_searchTimer.setSingleShot(true);
m_searchTimer.setInterval(300);
connect(&m_searchTimer, SIGNAL(timeout()), this, SLOT(updateSearch()));
m_treeView = new AutoSizingList(this);
layout->addWidget(m_treeView);
centralWidget->setLayout(layout);
setCentralWidget(centralWidget);
m_moveToCurrent = new QPushButton(this);
m_moveToCurrent->setIcon(style()->standardIcon(QStyle::SP_CommandLink));
m_moveToCurrent->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_J));
m_moveToCurrent->setToolTip(tr("Move to Currently Playing Song"));
connect(m_moveToCurrent, SIGNAL(clicked()), this, SLOT(moveToCurrent()));
statusBar()->addPermanentWidget(m_moveToCurrent);
m_moveToCurrent->hide();
m_downloadProgress = new QProgressBar;
statusBar()->addWidget(m_downloadProgress, 1);
statusBar()->hide();
m_credentials = new Credentials("zx2c4.com", "music/getlisting.php?language=xml", "music/getsong.php?hash=%1");
connect(m_credentials, SIGNAL(receivedList(const QList<Song*>)), this, SLOT(setupTable(const QList<Song*>)));
m_treeView->setChildWidget(m_credentials);
m_credentials->setDownloadProgressBar(m_downloadProgress);
m_credentials->setStatusBar(statusBar());
m_credentials->show();
setMinimumSize(500, 400);
setWindowTitle("ZX2C4 Music Player");
setWindowIcon(style()->standardIcon(QStyle::SP_DriveCDIcon));
show();
}
void PlayerWindow::setupPhonon()
{
m_mediaObject = new Phonon::MediaObject(this);
m_mediaObject->setPrefinishMark(5000);//TODO: what should the real value be?
m_aboutToFinishTimer.setSingleShot(true);
connect(&m_aboutToFinishTimer, SIGNAL(timeout()), this, SLOT(songFinished()));
connect(m_mediaObject, SIGNAL(stateChanged(Phonon::State,Phonon::State)), this, SLOT(playerStateChanged(Phonon::State,Phonon::State)));
connect(m_mediaObject, SIGNAL(prefinishMarkReached(qint32)), this, SLOT(aboutToFinish(qint32)));
connect(m_mediaObject, SIGNAL(bufferStatus(int)), m_downloadProgress, SLOT(setValue(int)));
Phonon::AudioOutput *audioOutput = new Phonon::AudioOutput(Phonon::MusicCategory, m_mediaObject);
Phonon::createPath(m_mediaObject, audioOutput);
m_volumeSlider->setAudioOutput(audioOutput);
m_seekSlider->setMediaObject(m_mediaObject);
}
void PlayerWindow::setupTable(const QList<Song*> songList)
{
m_model = new CollectionModel(songList, m_credentials, this);
m_filter = new CollectionFilter(this, m_model);
m_treeView->setModel(m_filter);
m_searchEdit->setDisabled(false);
connect(m_treeView, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(songDoubleClicked(const QModelIndex&)));
updateControls();
}
//END CONSTRUCT OBJECTS
//BEGIN SYNC PLAYER CONTROLS
void PlayerWindow::playerStateChanged(Phonon::State /*newState*/, Phonon::State /*oldState*/)
{
updateControls();
}
void PlayerWindow::updateControls()
{
QString message;
Song *currentSong = m_model->song(m_filter->currentItem());
if(currentSong)
message = QString("%4: %1 - %2 - %3").arg(currentSong->artist()).arg(currentSong->album()).arg(currentSong->title());
statusBar()->clearMessage();
switch(m_mediaObject->state())
{
case Phonon::LoadingState:
m_playAction->setDisabled(true);
m_pauseAction->setDisabled(true);
m_stopAction->setDisabled(true);
m_downloadProgress->hide();
if(currentSong)
statusBar()->showMessage(message.arg(tr("Loading")));
break;
case Phonon::StoppedState:
m_stopAction->setDisabled(true);
m_pauseAction->setDisabled(true);
m_playAction->setDisabled(!m_filter->currentItem().isValid());
m_downloadProgress->hide();
break;
case Phonon::PausedState:
m_playAction->setDisabled(false);
m_pauseAction->setDisabled(true);
m_downloadProgress->hide();
if(currentSong)
statusBar()->showMessage(message.arg(tr("Paused")));
break;
case Phonon::PlayingState:
m_playAction->setDisabled(true);
m_pauseAction->setDisabled(false);
m_stopAction->setDisabled(false);
m_downloadProgress->hide();
if(currentSong)
statusBar()->showMessage(message.arg(tr("Playing")));
break;
case Phonon::BufferingState:
m_downloadProgress->setMaximum(100);
m_downloadProgress->show();
break;
case Phonon::ErrorState:
m_downloadProgress->hide();
statusBar()->showMessage(m_mediaObject->errorString());
break;
}
m_previousAction->setDisabled(!m_filter->peekPrevious().isValid() || m_filter->rowCount() < 2);
m_nextAction->setDisabled(!m_filter->peekNext().isValid() || m_filter->rowCount() < 2);
}
//END SYNC PLAYER CONTROLS
//BEGIN CHANGE SONG
void PlayerWindow::songDoubleClicked(const QModelIndex &index)
{
m_aboutToFinishTimer.stop();
m_filter->setCurrentItem(index);
playIndex(m_filter->currentItem());
}
void PlayerWindow::nextTriggered()
{
m_aboutToFinishTimer.stop();
playIndex(m_filter->moveNext());
}
void PlayerWindow::previousTriggered()
{
m_aboutToFinishTimer.stop();
playIndex(m_filter->movePrevious());
}
void PlayerWindow::pauseTriggered()
{
m_aboutToFinishTimer.stop();
m_mediaObject->pause();
}
void PlayerWindow::playTriggered()
{
m_aboutToFinishTimer.stop();
m_mediaObject->play();
}
void PlayerWindow::stopTriggered()
{
m_aboutToFinishTimer.stop();
m_mediaObject->stop();
}
void PlayerWindow::playIndex(const QModelIndex &index)
{
if(index.isValid()) {
m_mediaObject->setCurrentSource(m_credentials->songUrl(m_model->song(index)->sha1()));
m_mediaObject->play();
updateControls();
m_moveToCurrent->show();
}
}
void PlayerWindow::aboutToFinish(qint32 msecToEnd)
{
m_aboutToFinishTimer.setInterval(msecToEnd);
m_aboutToFinishTimer.start();
//TODO: instead enqueue song for pre-buffering for potential fades
}
void PlayerWindow::songFinished()
{
playIndex(m_filter->moveNext());
}
//END CHANGE SONG
//BEGIN FILTERING
void PlayerWindow::searchChanged(const QString&)
{
m_searchTimer.stop();
m_searchTimer.start();
}
void PlayerWindow::updateSearch()
{
if(m_filter) {
m_filter->setFilter(m_searchEdit->lineEdit()->text().trimmed());
updateControls();
}
}
void PlayerWindow::moveToCurrent()
{
if(m_filter) {
QModelIndex index = m_filter->currentItem();
if(!m_filter->mapFromSource(index).isValid()) {
m_searchEdit->lineEdit()->clear();
updateSearch();
}
m_treeView->scrollTo(m_filter->mapFromSource(index), QAbstractItemView::PositionAtCenter);
}
}
//END FILTERING
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