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Clementine-audio-player-Mac.../src/playlist/playlistcontainer.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine 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 3 of the License, or
(at your option) any later version.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "playlistcontainer.h"
#include <QAction>
#include <QFileDialog>
#include <QInputDialog>
#include <QKeyEvent>
#include <QLabel>
#include <QMessageBox>
#include <QSettings>
#include <QSortFilterProxyModel>
#include <QTimeLine>
#include <QTimer>
#include <QUndoStack>
#include "core/appearance.h"
#include "core/application.h"
#include "core/logging.h"
#include "core/player.h"
#include "core/timeconstants.h"
#include "playlistmanager.h"
#include "playlistparsers/playlistparser.h"
#include "ui/iconloader.h"
#include "ui_playlistcontainer.h"
const char* PlaylistContainer::kSettingsGroup = "Playlist";
const int PlaylistContainer::kFilterDelayMs = 100;
const int PlaylistContainer::kFilterDelayPlaylistSizeThreshold = 5000;
PlaylistContainer::PlaylistContainer(QWidget* parent)
: QWidget(parent),
app_(nullptr),
ui_(new Ui_PlaylistContainer),
manager_(nullptr),
undo_(nullptr),
redo_(nullptr),
playlist_(nullptr),
starting_up_(true),
tab_bar_visible_(false),
tab_bar_animation_(new QTimeLine(500, this)),
no_matches_label_(nullptr),
filter_timer_(new QTimer(this)),
dirty_(false) {
ui_->setupUi(this);
no_matches_label_ = new QLabel(ui_->playlist);
no_matches_label_->setAlignment(Qt::AlignTop | Qt::AlignHCenter);
no_matches_label_->setAttribute(Qt::WA_TransparentForMouseEvents);
no_matches_label_->setWordWrap(true);
no_matches_label_->raise();
no_matches_label_->hide();
// Set the colour of the no matches label to the disabled text colour
QPalette no_matches_palette = no_matches_label_->palette();
const QColor no_matches_color =
no_matches_palette.color(QPalette::Disabled, QPalette::Text);
no_matches_palette.setColor(QPalette::Normal, QPalette::WindowText,
no_matches_color);
no_matches_palette.setColor(QPalette::Inactive, QPalette::WindowText,
no_matches_color);
no_matches_label_->setPalette(no_matches_palette);
// Remove QFrame border
ui_->toolbar->setStyleSheet("QFrame { border: 0px; }");
QSettings settings;
settings.beginGroup(Appearance::kSettingsGroup);
bool hide_toolbar = settings.value("b_hide_filter_toolbar", false).toBool();
ui_->toolbar->setVisible(!hide_toolbar);
// Make it bold
QFont no_matches_font = no_matches_label_->font();
no_matches_font.setBold(true);
no_matches_label_->setFont(no_matches_font);
settings_.beginGroup(kSettingsGroup);
// Tab bar
ui_->tab_bar->setExpanding(false);
ui_->tab_bar->setMovable(true);
connect(tab_bar_animation_, SIGNAL(frameChanged(int)),
SLOT(SetTabBarHeight(int)));
ui_->tab_bar->setMaximumHeight(0);
// Connections
connect(ui_->tab_bar, SIGNAL(currentChanged(int)), SLOT(DirtyTabBar()));
connect(ui_->tab_bar, SIGNAL(Save(int)), SLOT(SavePlaylist(int)));
// set up timer for delayed filter updates
filter_timer_->setSingleShot(true);
filter_timer_->setInterval(kFilterDelayMs);
connect(filter_timer_, SIGNAL(timeout()), this, SLOT(UpdateFilter()));
// Replace playlist search filter with native search box.
connect(ui_->filter, SIGNAL(textChanged(QString)), SLOT(MaybeUpdateFilter()));
connect(ui_->playlist, SIGNAL(FocusOnFilterSignal(QKeyEvent*)),
SLOT(FocusOnFilter(QKeyEvent*)));
ui_->filter->installEventFilter(this);
}
PlaylistContainer::~PlaylistContainer() { delete ui_; }
void PlaylistContainer::SetApplication(Application* app) {
Q_ASSERT(app);
app_ = app;
SetManager(app_->playlist_manager());
ui_->playlist->SetApplication(app_);
// This should not be called before SetApplication.
view()->SetItemDelegates(app->library_backend());
connect(app_, SIGNAL(SaveSettings(QSettings*)), SLOT(Save(QSettings*)));
}
PlaylistView* PlaylistContainer::view() const { return ui_->playlist; }
void PlaylistContainer::SetActions(QAction* new_playlist,
QAction* load_playlist,
QAction* save_playlist,
QAction* next_playlist,
QAction* previous_playlist) {
ui_->create_new->setDefaultAction(new_playlist);
ui_->save->setDefaultAction(save_playlist);
ui_->load->setDefaultAction(load_playlist);
ui_->tab_bar->SetActions(new_playlist, load_playlist);
connect(new_playlist, SIGNAL(triggered()), SLOT(NewPlaylist()));
connect(save_playlist, SIGNAL(triggered()), SLOT(SavePlaylist()));
connect(load_playlist, SIGNAL(triggered()), SLOT(LoadPlaylist()));
connect(next_playlist, SIGNAL(triggered()), SLOT(GoToNextPlaylistTab()));
connect(previous_playlist, SIGNAL(triggered()),
SLOT(GoToPreviousPlaylistTab()));
}
void PlaylistContainer::SetManager(PlaylistManager* manager) {
manager_ = manager;
ui_->tab_bar->SetManager(manager);
connect(ui_->tab_bar, SIGNAL(CurrentIdChanged(int)), manager,
SLOT(SetCurrentPlaylist(int)));
connect(ui_->tab_bar, SIGNAL(Rename(int, QString)), manager,
SLOT(Rename(int, QString)));
connect(ui_->tab_bar, SIGNAL(Close(int)), manager, SLOT(Close(int)));
connect(ui_->tab_bar, SIGNAL(PlaylistFavorited(int, bool)), manager,
SLOT(Favorite(int, bool)));
connect(ui_->tab_bar, SIGNAL(PlaylistOrderChanged(QList<int>)), manager,
SLOT(ChangePlaylistOrder(QList<int>)));
connect(manager, SIGNAL(CurrentChanged(Playlist*)),
SLOT(SetViewModel(Playlist*)));
connect(manager, SIGNAL(PlaylistAdded(int, QString, bool)),
SLOT(PlaylistAdded(int, QString, bool)));
connect(manager, SIGNAL(PlaylistManagerInitialized()), SLOT(Started()));
connect(manager, SIGNAL(PlaylistClosed(int)), SLOT(PlaylistClosed(int)));
connect(manager, SIGNAL(PlaylistRenamed(int, QString)),
SLOT(PlaylistRenamed(int, QString)));
}
void PlaylistContainer::SetViewModel(Playlist* playlist) {
if (view()->selectionModel()) {
disconnect(view()->selectionModel(),
SIGNAL(selectionChanged(QItemSelection, QItemSelection)), this,
SLOT(SelectionChanged()));
}
if (playlist_ && playlist_->proxy()) {
disconnect(playlist_->proxy(), SIGNAL(modelReset()), this,
SLOT(UpdateNoMatchesLabel()));
disconnect(playlist_->proxy(), SIGNAL(rowsInserted(QModelIndex, int, int)),
this, SLOT(UpdateNoMatchesLabel()));
disconnect(playlist_->proxy(), SIGNAL(rowsRemoved(QModelIndex, int, int)),
this, SLOT(UpdateNoMatchesLabel()));
}
if (playlist_) {
disconnect(playlist_, SIGNAL(modelReset()), this,
SLOT(UpdateNoMatchesLabel()));
disconnect(playlist_, SIGNAL(rowsInserted(QModelIndex, int, int)), this,
SLOT(UpdateNoMatchesLabel()));
disconnect(playlist_, SIGNAL(rowsRemoved(QModelIndex, int, int)), this,
SLOT(UpdateNoMatchesLabel()));
}
playlist_ = playlist;
// Set the view
playlist->IgnoreSorting(true);
view()->setModel(playlist->proxy());
view()->SetPlaylist(playlist);
view()->selectionModel()->select(manager_->current_selection(),
QItemSelectionModel::ClearAndSelect);
playlist->IgnoreSorting(false);
connect(view()->selectionModel(),
SIGNAL(selectionChanged(QItemSelection, QItemSelection)), this,
SLOT(SelectionChanged()));
emit ViewSelectionModelChanged();
// Update filter
ui_->filter->setText(playlist->proxy()->filterRegExp().pattern());
// Update the no matches label
connect(playlist_->proxy(), SIGNAL(modelReset()),
SLOT(UpdateNoMatchesLabel()));
connect(playlist_->proxy(), SIGNAL(rowsInserted(QModelIndex, int, int)),
SLOT(UpdateNoMatchesLabel()));
connect(playlist_->proxy(), SIGNAL(rowsRemoved(QModelIndex, int, int)),
SLOT(UpdateNoMatchesLabel()));
connect(playlist_, SIGNAL(modelReset()), SLOT(UpdateNoMatchesLabel()));
connect(playlist_, SIGNAL(rowsInserted(QModelIndex, int, int)),
SLOT(UpdateNoMatchesLabel()));
connect(playlist_, SIGNAL(rowsRemoved(QModelIndex, int, int)),
SLOT(UpdateNoMatchesLabel()));
UpdateNoMatchesLabel();
// Ensure that tab is current
if (ui_->tab_bar->current_id() != manager_->current_id())
ui_->tab_bar->set_current_id(manager_->current_id());
// Sort out the undo/redo actions
delete undo_;
delete redo_;
undo_ = playlist->undo_stack()->createUndoAction(this);
redo_ = playlist->undo_stack()->createRedoAction(this);
undo_->setIcon(IconLoader::Load("edit-undo", IconLoader::Base));
undo_->setShortcut(QKeySequence::Undo);
redo_->setIcon(IconLoader::Load("edit-redo", IconLoader::Base));
redo_->setShortcut(QKeySequence::Redo);
ui_->undo->setDefaultAction(undo_);
ui_->redo->setDefaultAction(redo_);
emit UndoRedoActionsChanged(undo_, redo_);
}
void PlaylistContainer::ActivePlaying() {
UpdateActiveIcon(IconLoader::Load("tiny-start", IconLoader::Other));
}
void PlaylistContainer::ActivePaused() {
UpdateActiveIcon(IconLoader::Load("tiny-pause", IconLoader::Other));
}
void PlaylistContainer::ActiveStopped() { UpdateActiveIcon(QIcon()); }
void PlaylistContainer::UpdateActiveIcon(const QIcon& icon) {
// Unset all existing icons
for (int i = 0; i < ui_->tab_bar->count(); ++i) {
ui_->tab_bar->setTabIcon(i, QIcon());
}
// Set our icon
if (!icon.isNull()) ui_->tab_bar->set_icon_by_id(manager_->active_id(), icon);
}
void PlaylistContainer::PlaylistAdded(int id, const QString& name,
bool favorite) {
const int index = ui_->tab_bar->count();
ui_->tab_bar->InsertTab(id, index, name, favorite);
// Are we startup up, should we select this tab?
if (starting_up_ && settings_.value("current_playlist", 1).toInt() == id) {
starting_up_ = false;
ui_->tab_bar->set_current_id(id);
}
if (ui_->tab_bar->count() > 1) {
// Have to do this here because sizeHint() is only valid when there's a
// tab in the bar.
tab_bar_animation_->setFrameRange(0, ui_->tab_bar->sizeHint().height());
if (!isVisible()) {
// Skip the animation since the window is hidden (eg. if we're still
// loading the UI).
tab_bar_visible_ = true;
ui_->tab_bar->setMaximumHeight(tab_bar_animation_->endFrame());
} else {
SetTabBarVisible(true);
}
}
}
void PlaylistContainer::Started() { starting_up_ = false; }
void PlaylistContainer::PlaylistClosed(int id) {
ui_->tab_bar->RemoveTab(id);
if (ui_->tab_bar->count() <= 1) SetTabBarVisible(false);
}
void PlaylistContainer::PlaylistRenamed(int id, const QString& new_name) {
ui_->tab_bar->set_text_by_id(id, new_name);
}
void PlaylistContainer::NewPlaylist() { manager_->New(tr("Playlist")); }
void PlaylistContainer::LoadPlaylist() {
QString filename = settings_.value("last_load_playlist").toString();
filename = QFileDialog::getOpenFileName(this, tr("Load playlist"), filename,
manager_->parser()->filters());
if (filename.isNull()) return;
settings_.setValue("last_load_playlist", filename);
manager_->Load(filename);
}
void PlaylistContainer::SavePlaylist(int id = -1) {
// Use the tab name as the suggested name
QString suggested_name = ui_->tab_bar->tabText(ui_->tab_bar->currentIndex());
manager_->SaveWithUI(id, suggested_name);
}
void PlaylistContainer::GoToNextPlaylistTab() {
// Get the next tab' id
int id_next = ui_->tab_bar->id_of((ui_->tab_bar->currentIndex() + 1) %
ui_->tab_bar->count());
// Switch to next tab
manager_->SetCurrentPlaylist(id_next);
}
void PlaylistContainer::GoToPreviousPlaylistTab() {
// Get the next tab' id
int id_previous = ui_->tab_bar->id_of(
(ui_->tab_bar->currentIndex() + ui_->tab_bar->count() - 1) %
ui_->tab_bar->count());
// Switch to next tab
manager_->SetCurrentPlaylist(id_previous);
}
void PlaylistContainer::DirtyTabBar() {
dirty_ = true;
app_->DirtySettings();
}
void PlaylistContainer::Save(QSettings* settings_) {
if (starting_up_ || !dirty_) return;
dirty_ = false;
settings_->beginGroup(kSettingsGroup);
settings_->setValue("current_playlist", ui_->tab_bar->current_id());
settings_->endGroup();
}
void PlaylistContainer::SetTabBarVisible(bool visible) {
if (tab_bar_visible_ == visible) return;
tab_bar_visible_ = visible;
tab_bar_animation_->setDirection(visible ? QTimeLine::Forward
: QTimeLine::Backward);
tab_bar_animation_->start();
}
void PlaylistContainer::SetTabBarHeight(int height) {
ui_->tab_bar->setMaximumHeight(height);
}
void PlaylistContainer::MaybeUpdateFilter() {
// delaying the filter update on small playlists is undesirable
// and an empty filter applies very quickly, too
if (manager_->current()->rowCount() < kFilterDelayPlaylistSizeThreshold ||
ui_->filter->text().isEmpty()) {
UpdateFilter();
} else {
filter_timer_->start();
}
}
void PlaylistContainer::UpdateFilter() {
manager_->current()->proxy()->setFilterFixedString(ui_->filter->text());
ui_->playlist->JumpToCurrentlyPlayingTrack();
UpdateNoMatchesLabel();
}
void PlaylistContainer::UpdateNoMatchesLabel() {
Playlist* playlist = manager_->current();
const bool has_rows = playlist->rowCount() != 0;
const bool has_results = playlist->proxy()->rowCount() != 0;
QString text;
if (has_rows && !has_results) {
if (ui_->filter->text().trimmed().compare("the answer to life the universe "
"and everything",
Qt::CaseInsensitive) == 0) {
text = "42";
} else {
text = tr(
"No matches found. Clear the search box to show the whole playlist "
"again.");
}
}
if (!text.isEmpty()) {
no_matches_label_->setText(text);
RepositionNoMatchesLabel(true);
no_matches_label_->show();
} else {
no_matches_label_->hide();
}
}
void PlaylistContainer::resizeEvent(QResizeEvent* e) {
QWidget::resizeEvent(e);
RepositionNoMatchesLabel();
}
void PlaylistContainer::FocusOnFilter(QKeyEvent* event) {
ui_->filter->setFocus();
switch (event->key()) {
case Qt::Key_Backspace:
break;
case Qt::Key_Escape:
ui_->filter->clear();
break;
default:
ui_->filter->setText(ui_->filter->text() + event->text());
break;
}
}
void PlaylistContainer::RepositionNoMatchesLabel(bool force) {
if (!force && !no_matches_label_->isVisible()) return;
const int kBorder = 10;
QPoint pos =
ui_->playlist->viewport()->mapTo(ui_->playlist, QPoint(kBorder, kBorder));
QSize size = ui_->playlist->viewport()->size();
size.setWidth(size.width() - kBorder * 2);
size.setHeight(size.height() - kBorder * 2);
no_matches_label_->move(pos);
no_matches_label_->resize(size);
}
void PlaylistContainer::SelectionChanged() {
manager_->SelectionChanged(view()->selectionModel()->selection());
}
bool PlaylistContainer::eventFilter(QObject* objectWatched, QEvent* event) {
if (objectWatched == ui_->filter) {
if (event->type() == QEvent::KeyPress) {
QKeyEvent* e = static_cast<QKeyEvent*>(event);
switch (e->key()) {
case Qt::Key_Down:
case Qt::Key_PageUp:
case Qt::Key_PageDown:
case Qt::Key_Return:
case Qt::Key_Enter:
view()->setFocus(Qt::OtherFocusReason);
QApplication::sendEvent(ui_->playlist, event);
return true;
case Qt::Key_Escape:
ui_->filter->clear();
return true;
default:
break;
}
}
}
return QWidget::eventFilter(objectWatched, event);
}
void PlaylistContainer::ReloadSettings() {
QSettings settings;
settings.beginGroup(Appearance::kSettingsGroup);
bool hide_toolbar = settings.value("b_hide_filter_toolbar", false).toBool();
ui_->toolbar->setVisible(!hide_toolbar);
settings.endGroup();
settings.beginGroup(Player::kSettingsGroup);
if (settings.value("play_count_short_duration").toBool()) {
playlist_->set_max_play_count_point_nsecs(60ll * kNsecPerSec);
} else {
playlist_->set_max_play_count_point_nsecs(240ll * kNsecPerSec);
}
settings.endGroup();
qLog(Debug) << "new max scrobble point:"
<< (playlist_->get_max_play_count_point_nsecs() / kNsecPerSec);
}
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