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Diffstat (limited to 'src/ui/playlistmodel.cpp')
| -rw-r--r-- | src/ui/playlistmodel.cpp | 910 |
1 files changed, 0 insertions, 910 deletions
diff --git a/src/ui/playlistmodel.cpp b/src/ui/playlistmodel.cpp deleted file mode 100644 index ffde91ac8..000000000 --- a/src/ui/playlistmodel.cpp +++ /dev/null @@ -1,910 +0,0 @@ -/*************************************************************************** - * Copyright(C) 2006-2008 by Ilya Kotov * - * forkotov02@hotmail.ru * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * GNU General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - ***************************************************************************/ -#include <QWidget> -#include <QFile> -#include <QDir> -#include <QtAlgorithms> -#include <QFileInfo> -#include <QTextStream> -#include <QPluginLoader> -#include <QApplication> -#include <QTimer> -#include <QSettings> -#include <QMessageBox> -#include <QBuffer> - -#include <time.h> - -#include <qmmp/decoder.h> -#include <qmmp/decoderfactory.h> -#include <qmmpui/playlistparser.h> -#include <qmmpui/playlistformat.h> - -#include "fileloader.h" -#include "playlistmodel.h" -#include "playlistitem.h" -#include "playstate.h" - -#include <QMetaType> - -#define INVALID_ROW -1 - -TagUpdater::TagUpdater(QObject* o,PlayListItem* item):m_observable(o),m_item(item) -{ - m_item->setFlag(PlayListItem::EDITING); - connect(m_observable, SIGNAL(destroyed(QObject *)),SLOT(updateTag())); - connect(m_observable, SIGNAL(destroyed(QObject *)),SLOT(deleteLater())); -} - -void TagUpdater::updateTag() -{ - if (m_item->flag() == PlayListItem::SCHEDULED_FOR_DELETION) - { - delete m_item; - m_item = NULL; - } - else - { - m_item->updateTags(); - m_item->setFlag(PlayListItem::FREE); - } -} - - -PlayListModel::PlayListModel(QObject *parent) - : QObject(parent) , m_selection() -{ - qsrand(time(0)); - m_total_length = 0; - m_current = 0; - m_block_update_signals = false; - is_repeatable_list = false; - m_play_state = new NormalPlayState(this); - //readSettings(); -} - -PlayListModel::~PlayListModel() -{ - writeSettings(); - clear(); - delete m_play_state; - //qDeleteAll(m_registered_pl_formats); - - foreach(GuardedFileLoader l,m_running_loaders) - { - if (!l.isNull()) - { - l->finish(); - l->wait(); - } - } -} - -void PlayListModel::load(PlayListItem *item) -{ - if (m_items.isEmpty()) - m_currentItem = item; - - m_total_length += item->length(); - m_items << item; - - if (m_items.size() == 1) - emit firstAdded(); - - if (!m_block_update_signals) - emit listChanged(); -} - -int PlayListModel::count() -{ - return m_items.size(); -} - -PlayListItem* PlayListModel::currentItem() -{ - if (m_items.isEmpty()) - return 0; - else - return m_items.at(qMin(m_items.size() - 1, m_current)); -} - -int PlayListModel::currentRow() -{ - return m_current; -} - -bool PlayListModel::setCurrent(int c) -{ - if (c > count()-1 || c < 0) - return FALSE; - m_current = c; - m_currentItem = m_items.at(c); - emit currentChanged(); - emit listChanged(); - return TRUE; -} - - -bool PlayListModel::next() -{ - if (isFileLoaderRunning()) - m_play_state->prepare(); - - return m_play_state->next(); -} - -bool PlayListModel::previous() -{ - if (isFileLoaderRunning()) - m_play_state->prepare(); - - return m_play_state->previous();//) -} - -void PlayListModel::clear() -{ - foreach(GuardedFileLoader l,m_running_loaders) - { - if (!l.isNull()) - { - l->finish(); - l->wait(); - } - } - - m_running_loaders.clear(); - - m_current = 0; - while (!m_items.isEmpty()) - { - PlayListItem* mf = m_items.takeFirst(); - - if (mf->flag() == PlayListItem::FREE) - { - delete mf; - } - else if (mf->flag() == PlayListItem::EDITING) - { - mf->setFlag(PlayListItem::SCHEDULED_FOR_DELETION); - } - } - - m_total_length = 0; - m_play_state->resetState(); - emit listChanged(); -} - -void PlayListModel::clearSelection() -{ - for (int i = 0; i<m_items.size(); ++i) - m_items.at(i)->setSelected(FALSE); - emit listChanged(); -} - -QList <QString> PlayListModel::getTitles(int b,int l) -{ - QList <QString> m_titles; - for (int i = b;(i < b + l) &&(i < m_items.size()); ++i) - m_titles << m_items.at(i)->text(); - return m_titles; -} - -QList <QString> PlayListModel::getTimes(int b,int l) -{ - QList <QString> m_times; - for (int i = b;(i < b + l) &&(i < m_items.size()); ++i) - m_times << QString("%1").arg(m_items.at(i)->length() /60) +":" - +QString("%1").arg(m_items.at(i)->length() %60/10) + - QString("%1").arg(m_items.at(i)->length() %60%10); - return m_times; -} - -bool PlayListModel::isSelected(int row) -{ - if (m_items.count() > row && row >= 0) - return m_items.at(row)->isSelected(); - - return false; -} - -void PlayListModel::setSelected(int row, bool yes) -{ - if (m_items.count() > row && row >= 0) - m_items.at(row)->setSelected(yes); -} - -void PlayListModel::removeSelected() -{ - removeSelection(false); -} - -void PlayListModel::removeUnselected() -{ - removeSelection(true); -} - -void PlayListModel::removeSelection(bool inverted) -{ - int i = 0; - - int select_after_delete = -1; - - while (!m_items.isEmpty() && i<m_items.size()) - { - if (m_items.at(i)->isSelected() ^ inverted) - { - PlayListItem* f = m_items.takeAt(i); - m_total_length -= f->length(); - if (m_total_length < 0) - m_total_length = 0; - - if (f->flag() == PlayListItem::FREE) - { - delete f; - f = NULL; - } - else if (f->flag() == PlayListItem::EDITING) - f->setFlag(PlayListItem::SCHEDULED_FOR_DELETION); - - select_after_delete = i; - - if (m_current >= i && m_current!=0) - m_current--; - } - else - i++; - } - - if (!m_items.isEmpty()) - m_currentItem = m_items.at(m_current); - - if (select_after_delete >= m_items.count()) - select_after_delete = m_items.count() - 1; - - setSelected(select_after_delete,true); - - m_play_state->prepare(); - - emit listChanged(); -} - -void PlayListModel::invertSelection() -{ - for (int i = 0; i<m_items.size(); ++i) - m_items.at(i)->setSelected(!m_items.at(i)->isSelected()); - emit listChanged(); -} - -void PlayListModel::selectAll() -{ - for (int i = 0; i<m_items.size(); ++i) - m_items.at(i)->setSelected(TRUE); - emit listChanged(); -} - -void PlayListModel::showDetails() -{ - for (int i = 0; i<m_items.size(); ++i) - { - if (m_items.at(i)->isSelected()) - { - if (!QFile::exists(m_items.at(i)->url())) - { - PlayListItem *item = m_items.at(i); - QString str; - str.append(tr("Url:") + " %1\n"); - str.append(tr("Title:") + " %2\n"); - str.append(tr("Artist:") + " %3\n"); - str.append(tr("Album:") + " %4\n"); - str.append(tr("Comment:") + " %5"); - str = str.arg(item->url()) - .arg(item->title().isEmpty() ? item->text() : item->title()) - .arg(item->artist()) - .arg(item->album()) - .arg(item->comment()); - QMessageBox::information(0, m_items.at(i)->url(), str); - return; - } - - DecoderFactory *fact = Decoder::findByPath(m_items.at(i)->url()); - if (fact) - { - QObject* o = fact->showDetails(0, m_items.at(i)->url()); - if (o) - { - TagUpdater *updater = new TagUpdater(o,m_items.at(i)); - m_editing_items.append(m_items.at(i)); - connect(updater, SIGNAL(destroyed(QObject *)),SIGNAL(listChanged())); - } - } - return; - } - } -} - -void PlayListModel::readSettings() -{ - QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat); - m_current = settings.value("Playlist/current",0).toInt(); - - QString line, param, value; - int s; - QList <FileInfo *> infoList; - QFile file(QDir::homePath() +"/.qmmp/playlist.txt"); - file.open(QIODevice::ReadOnly); - QByteArray array = file.readAll(); - file.close(); - QBuffer buffer(&array); - buffer.open(QIODevice::ReadOnly); - while (!buffer.atEnd()) - { - line = QString::fromUtf8(buffer.readLine()).trimmed(); - if ((s = line.indexOf("=")) < 0) - continue; - - param = line.left(s); - value = line.right(line.size() - s - 1); - - if (param == "file") - infoList << new FileInfo(value); - else if (infoList.isEmpty()) - continue; - else if (param == "title") - infoList.last()->setMetaData(Qmmp::TITLE, value); - else if (param == "artist") - infoList.last()->setMetaData(Qmmp::ARTIST, value); - else if (param == "album") - infoList.last()->setMetaData(Qmmp::ALBUM, value); - else if (param == "comment") - infoList.last()->setMetaData(Qmmp::COMMENT, value); - else if (param == "genre") - infoList.last()->setMetaData(Qmmp::GENRE, value); - else if (param == "year") - infoList.last()->setMetaData(Qmmp::YEAR, value); - else if (param == "track") - infoList.last()->setMetaData(Qmmp::TRACK, value); - else if (param == "length") - infoList.last()->setLength(value.toInt()); - } - buffer.close(); - if (m_current > infoList.count() - 1) - m_current = 0; - m_block_update_signals = TRUE; - foreach(FileInfo *info, infoList) - load(new PlayListItem(info, &settings)); //using one and the same settings object for all playlist items - m_block_update_signals = FALSE; - doCurrentVisibleRequest(); -} - -void PlayListModel::writeSettings() -{ - QFile file(QDir::homePath() +"/.qmmp/playlist.txt"); - file.open(QIODevice::WriteOnly); - foreach(PlayListItem* m, m_items) - { - file.write(QString("file=%1").arg(m->url()).toUtf8() +"\n"); - file.write(QString("title=%1").arg(m->title()).toUtf8() +"\n"); - file.write(QString("artist=%1").arg(m->artist()).toUtf8() +"\n"); - file.write(QString("album=%1").arg(m->album()).toUtf8() +"\n"); - file.write(QString("comment=%1").arg(m->comment()).toUtf8() +"\n"); - file.write(QString("genre=%1").arg(m->genre()).toUtf8() +"\n"); - file.write(QString("year=%1").arg(m->year()).toUtf8() +"\n"); - file.write(QString("track=%1").arg(m->track()).toUtf8() +"\n"); - file.write(QString("length=%1").arg(m->length()).toUtf8() +"\n"); - } - file.close(); - QSettings settings(QDir::homePath()+"/.qmmp/qmmprc", QSettings::IniFormat); - settings.setValue("Playlist/current", m_current); -} - -void PlayListModel::addFile(const QString& path) -{ - if (path.isEmpty()) - return; - /*if(path.startsWith("http://")) - load(new PlayListItem(path)); - else if(Decoder::supports(path)) - load(new PlayListItem(path));*/ - QList <FileInfo *> playList = Decoder::createPlayList(path); - foreach(FileInfo *info, playList) - emit load(new PlayListItem(info)); - - m_play_state->prepare(); -} - -FileLoader * PlayListModel::createFileLoader() -{ - FileLoader* f_loader = new FileLoader(this); -// f_loader->setStackSize(20 * 1024 * 1024); - m_running_loaders << f_loader; - connect(f_loader,SIGNAL(newPlayListItem(PlayListItem*)),this,SLOT(load(PlayListItem*)),Qt::QueuedConnection); - connect(f_loader,SIGNAL(finished()),this,SLOT(preparePlayState())); - connect(f_loader,SIGNAL(finished()),f_loader,SLOT(deleteLater())); - return f_loader; -} - -void PlayListModel::addFiles(const QStringList &files) -{ - FileLoader* f_loader = createFileLoader(); - f_loader->setFilesToLoad(files); - f_loader->start(QThread::IdlePriority); -} - -void PlayListModel::addDirectory(const QString& s) -{ - FileLoader* f_loader = createFileLoader(); - f_loader->setDirectoryToLoad(s); - f_loader->start(QThread::IdlePriority); -} - -void PlayListModel::addFileList(const QStringList &l) -{ -// qWarning("void// PlayListModel::addFileList(const QStringList &l)"); - foreach(QString str,l) - { - QFileInfo f_info(str); - if (f_info.exists()) - { - if (f_info.isDir()) - addDirectory(str); - else - { - addFile(str); - loadPlaylist(str); - } - } - // Do processing the rest of events to avoid GUI freezing - QApplication::processEvents(QEventLoop::AllEvents,10); - } -} - -bool PlayListModel::setFileList(const QStringList & l) -{ - bool model_cleared = FALSE; - foreach(QString str,l) - { - QFileInfo f_info(str); - if (f_info.exists()) - { - if (!model_cleared) - { - clear(); - model_cleared = TRUE; - } - if (f_info.isDir()) - addDirectory(str); - else - { - addFile(str); - loadPlaylist(str); - } - } - // Do processing the rest of events to avoid GUI freezing - QApplication::processEvents(QEventLoop::AllEvents,10); - } - - return model_cleared; -} - -int PlayListModel::firstSelectedUpper(int row) -{ - for (int i = row - 1;i >= 0;i--) - { - if (isSelected(i)) - return i; - } - return -1; -} - -int PlayListModel::firstSelectedLower(int row) -{ - for (int i = row + 1;i < count() ;i++) - { - if (isSelected(i)) - return i; - } - return -1; -} - -void PlayListModel::moveItems(int from, int to) -{ - // Get rid of useless work - if (from == to) - return; - - QList<int> selected_rows = getSelectedRows(); - - if (!(bottommostInSelection(from) == INVALID_ROW || - from == INVALID_ROW || - topmostInSelection(from) == INVALID_ROW) - ) - { - if (from > to) - foreach(int i, selected_rows) - if (i + to - from < 0) - break; - else - m_items.move(i,i + to - from); - else - for (int i = selected_rows.count() - 1; i >= 0; i--) - if (selected_rows[i] + to -from >= m_items.count()) - break; - else - m_items.move(selected_rows[i],selected_rows[i] + to - from); - - m_current = m_items.indexOf(m_currentItem); - - emit listChanged(); - } -} - - - -int PlayListModel::topmostInSelection(int row) -{ - if (row == 0) - return 0; - - for (int i = row - 1;i >= 0;i--) - { - if (isSelected(i)) - continue; - else - return i + 1; - } - return 0; -} - -int PlayListModel::bottommostInSelection(int row) -{ - if (row >= m_items.count() - 1) - return row; - - for (int i = row + 1;i < count() ;i++) - { - if (isSelected(i)) - continue; - else - return i - 1; - } - return count() - 1; -} - -const SimpleSelection& PlayListModel::getSelection(int row) -{ - m_selection.m_top = topmostInSelection(row); - m_selection.m_anchor = row; - m_selection.m_bottom = bottommostInSelection(row); - m_selection.m_selected_rows = getSelectedRows(); - return m_selection; -} - -QList<int> PlayListModel::getSelectedRows() const -{ - QList<int>selected_rows; - for (int i = 0;i<m_items.count();i++) - { - if (m_items[i]->isSelected()) - { - selected_rows.append(i); - } - } - return selected_rows; -} - -QList< PlayListItem * > PlayListModel::getSelectedItems() const -{ - QList<PlayListItem*>selected_items; - for (int i = 0;i<m_items.count();i++) - { - if (m_items[i]->isSelected()) - { - selected_items.append(m_items[i]); - } - } - return selected_items; -} - -void PlayListModel::addToQueue() -{ - QList<PlayListItem*> selected_items = getSelectedItems(); - foreach(PlayListItem* file,selected_items) - {/* - if(isQueued(file)) - m_queued_songs.removeAt(m_queued_songs.indexOf(file)); - else - m_queued_songs.append(file); - */ - setQueued(file); - } - emit listChanged(); -} - -void PlayListModel::setQueued(PlayListItem* file) -{ - if (isQueued(file)) - m_queued_songs.removeAt(m_queued_songs.indexOf(file)); - else - m_queued_songs.append(file); - - emit listChanged(); -} - -bool PlayListModel::isQueued(PlayListItem* f) const -{ - return m_queued_songs.contains(f); -} - -void PlayListModel::setCurrentToQueued() -{ - setCurrent(row(m_queued_songs.at(0))); - m_queued_songs.pop_front(); -} - -bool PlayListModel::isEmptyQueue() const -{ - return m_queued_songs.isEmpty(); -} - -void PlayListModel::randomizeList() -{ - for (int i = 0;i < m_items.size();i++) - m_items.swap(qrand()%m_items.size(),qrand()%m_items.size()); - - m_current = m_items.indexOf(m_currentItem); - emit listChanged(); -} - -void PlayListModel::reverseList() -{ - for (int i = 0;i < m_items.size()/2;i++) - m_items.swap(i,m_items.size() - i - 1); - - m_current = m_items.indexOf(m_currentItem); - emit listChanged(); -} - -////===============THE BEGINNING OF SORT IMPLEMENTATION =======================//// - -// First we'll implement bundle of static compare procedures -// to sort items in different ways -static bool _titleLessComparator(PlayListItem* s1,PlayListItem* s2) -{ - return s1->title() < s2->title(); -} - -static bool _titleGreaterComparator(PlayListItem* s1,PlayListItem* s2) -{ - return s1->title() > s2->title(); -} - -static bool _pathAndFilenameLessComparator(PlayListItem* s1,PlayListItem* s2) -{ - return s1->url() < s2->url(); -} - -static bool _pathAndFilenameGreaterComparator(PlayListItem* s1,PlayListItem* s2) -{ - return s1->url() > s2->url(); -} - -static bool _filenameLessComparator(PlayListItem* s1,PlayListItem* s2) -{ - QFileInfo i_s1(s1->url()); - QFileInfo i_s2(s2->url()); - return i_s1.baseName() < i_s2.baseName(); -} - -static bool _filenameGreaterComparator(PlayListItem* s1,PlayListItem* s2) -{ - QFileInfo i_s1(s1->url()); - QFileInfo i_s2(s2->url()); - return i_s1.baseName() > i_s2.baseName(); -} - -static bool _dateLessComparator(PlayListItem* s1,PlayListItem* s2) -{ - return s1->year() < s2->year(); -} - -static bool _dateGreaterComparator(PlayListItem* s1,PlayListItem* s2) -{ - return s1->year() > s2->year(); -} - -static bool _trackLessComparator(PlayListItem* s1,PlayListItem* s2) -{ - return s1->track() < s2->track(); -} - -static bool _trackGreaterComparator(PlayListItem* s1,PlayListItem* s2) -{ - return s1->track() > s2->track(); -} - -// This is main sort method -void PlayListModel::doSort(int sort_mode,QList<PlayListItem*>& list_to_sort) -{ - QList<PlayListItem*>::iterator begin; - QList<PlayListItem*>::iterator end; - - begin = list_to_sort.begin(); - end = list_to_sort.end(); - - bool(*compareLessFunc)(PlayListItem*,PlayListItem*) = 0; - bool(*compareGreaterFunc)(PlayListItem*,PlayListItem*) = 0; - - switch (sort_mode) - { - case TITLE: - compareLessFunc = _titleLessComparator; - compareGreaterFunc = _titleGreaterComparator; - break; - case FILENAME: - compareLessFunc = _filenameLessComparator; - compareGreaterFunc = _filenameGreaterComparator; - break; - case PATH_AND_FILENAME: - compareLessFunc = _pathAndFilenameLessComparator; - compareGreaterFunc = _pathAndFilenameGreaterComparator; - break; - case DATE: - compareLessFunc = _dateLessComparator; - compareGreaterFunc = _dateGreaterComparator; - break; - //qWarning("TODO Sort by Date: %s\t%d",__FILE__,__LINE__); - case TRACK: - compareLessFunc = _trackLessComparator; - compareGreaterFunc = _trackGreaterComparator; - break; - default: - compareLessFunc = _titleLessComparator; - compareGreaterFunc = _titleGreaterComparator; - } - - static bool sorted_asc = false; - if (!sorted_asc) - { - qSort(begin,end,compareLessFunc); - sorted_asc = true; - } - else - { - qSort(begin,end,compareGreaterFunc); - sorted_asc = false; - } - - m_current = m_items.indexOf(m_currentItem); -} - -void PlayListModel::sortSelection(int mode) -{ - QList<PlayListItem*>selected_items = getSelectedItems(); - QList<int>selected_rows = getSelectedRows(); - - doSort(mode,selected_items); - - for (int i = 0;i < selected_rows.count();i++) - m_items.replace(selected_rows[i],selected_items[i]); - - m_current = m_items.indexOf(m_currentItem); - emit listChanged(); -} - -void PlayListModel::sort(int mode) -{ - doSort(mode,m_items); - emit listChanged(); -} - -////=============== THE END OF SORT IMPLEMENTATION =======================//// - -void PlayListModel::prepareForShufflePlaying(bool val) -{ - if (m_play_state) - delete m_play_state; - - if (val) - m_play_state = new ShufflePlayState(this); - else - m_play_state = new NormalPlayState(this); - -} - -void PlayListModel::prepareForRepeatablePlaying(bool val) -{ - is_repeatable_list = val; -} - -void PlayListModel::doCurrentVisibleRequest() -{ - emit currentChanged(); - emit listChanged(); -} - -void PlayListModel::setUpdatesEnabled(bool yes) -{ - if (yes) - { - m_block_update_signals = false; - emit listChanged(); - } - else - { - m_block_update_signals = true; - } -} - -void PlayListModel::loadPlaylist(const QString &f_name) -{ - PlaylistFormat* prs = PlaylistParser::instance()->findByPath(f_name); - if (prs) - { - QFile file(f_name); - if (file.open(QIODevice::ReadOnly)) - { - //clear(); - QStringList list = prs->decode(QTextStream(&file).readAll()); - for (int i = 0; i < list.size(); ++i) - { - if (QFileInfo(list.at(i)).isRelative() && !list.at(i).contains("://")) - QString path = list[i].prepend(QFileInfo(f_name).canonicalPath () + QDir::separator ()); - } - addFiles(list); - file.close(); - } - else - qWarning("Error opening %s",f_name.toLocal8Bit().data()); - } -} - -void PlayListModel::savePlaylist(const QString & f_name) -{ - PlaylistFormat* prs = PlaylistParser::instance()->findByPath(f_name); - if (prs) - { - QFile file(f_name); - if (file.open(QIODevice::WriteOnly)) - { - QTextStream ts(&file); - QList <AbstractPlaylistItem *> songs; - foreach(PlayListItem* item, m_items) - songs << item; - ts << prs->encode(songs); - file.close(); - } - else - qWarning("Error opening %s",f_name.toLocal8Bit().data()); - } -} - -bool PlayListModel::isFileLoaderRunning() const -{ - foreach(FileLoader* l,m_running_loaders) - if (l && l->isRunning()) - return TRUE; - - return FALSE; -} - -void PlayListModel::preparePlayState() -{ - m_play_state->prepare(); -} |