strawberry-audio-player-win.../src/playlist/playlistlistcontainer.cpp

492 lines
15 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
*
* Strawberry 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.
*
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <QObject>
#include <QWidget>
#include <QStandardItemModel>
#include <QAbstractItemModel>
#include <QItemSelectionModel>
#include <QSortFilterProxyModel>
#include <QSet>
#include <QList>
#include <QVariant>
#include <QString>
#include <QPixmap>
#include <QPainter>
#include <QIcon>
#include <QSize>
#include <QMenu>
#include <QAction>
#include <QSettings>
#include <QMessageBox>
#include <QInputDialog>
#include <QToolButton>
#include <QShowEvent>
#include <QContextMenuEvent>
#include "core/application.h"
#include "core/iconloader.h"
#include "core/player.h"
#include "playlist.h"
#include "playlistbackend.h"
#include "playlistlistview.h"
#include "playlistlistcontainer.h"
#include "playlistlistmodel.h"
#include "playlistmanager.h"
#include "ui_playlistlistcontainer.h"
#include "organise/organisedialog.h"
#include "settings/appearancesettingspage.h"
#ifndef Q_OS_WIN
# include "device/devicemanager.h"
# include "device/devicestatefiltermodel.h"
#endif
class PlaylistListSortFilterModel : public QSortFilterProxyModel {
public:
explicit PlaylistListSortFilterModel(QObject *parent)
: QSortFilterProxyModel(parent) {
}
bool lessThan(const QModelIndex &left, const QModelIndex &right) const override {
// Compare the display text first.
const int ret = left.data().toString().localeAwareCompare(right.data().toString());
if (ret < 0) return true;
if (ret > 0) return false;
// Now use the source model row order to ensure we always get a deterministic sorting even when two items are named the same.
return left.row() < right.row();
}
};
PlaylistListContainer::PlaylistListContainer(QWidget *parent)
: QWidget(parent),
app_(nullptr),
ui_(new Ui_PlaylistListContainer),
menu_(nullptr),
action_new_folder_(new QAction(this)),
action_remove_(new QAction(this)),
action_save_playlist_(new QAction(this)),
action_copy_to_device_(new QAction(this)),
model_(new PlaylistListModel(this)),
proxy_(new PlaylistListSortFilterModel(this)),
loaded_icons_(false),
active_playlist_id_(-1)
{
ui_->setupUi(this);
ui_->tree->setAttribute(Qt::WA_MacShowFocusRect, false);
action_new_folder_->setText(tr("New folder"));
action_remove_->setText(tr("Delete"));
action_save_playlist_->setText(tr("Save playlist", "Save playlist menu action."));
action_copy_to_device_->setText(tr("Copy to device..."));
ui_->new_folder->setDefaultAction(action_new_folder_);
ui_->remove->setDefaultAction(action_remove_);
ui_->save_playlist->setDefaultAction(action_save_playlist_);
connect(action_new_folder_, SIGNAL(triggered()), SLOT(NewFolderClicked()));
connect(action_remove_, SIGNAL(triggered()), SLOT(DeleteClicked()));
connect(action_save_playlist_, SIGNAL(triggered()), SLOT(SavePlaylist()));
connect(action_copy_to_device_, SIGNAL(triggered()), SLOT(CopyToDevice()));
connect(model_, SIGNAL(PlaylistPathChanged(int, QString)), SLOT(PlaylistPathChanged(int, QString)));
proxy_->setSourceModel(model_);
proxy_->setDynamicSortFilter(true);
proxy_->sort(0);
ui_->tree->setModel(proxy_);
connect(ui_->tree, SIGNAL(doubleClicked(QModelIndex)), SLOT(ItemDoubleClicked(QModelIndex)));
model_->invisibleRootItem()->setData(PlaylistListModel::Type_Folder, PlaylistListModel::Role_Type);
ReloadSettings();
}
PlaylistListContainer::~PlaylistListContainer() { delete ui_; }
void PlaylistListContainer::SetApplication(Application *app) {
app_ = app;
PlaylistManager *manager = app_->playlist_manager();
Player *player = app_->player();
connect(manager, SIGNAL(PlaylistAdded(int, QString, bool)), SLOT(AddPlaylist(int, QString, bool)));
connect(manager, SIGNAL(PlaylistFavorited(int, bool)), SLOT(PlaylistFavoriteStateChanged(int, bool)));
connect(manager, SIGNAL(PlaylistRenamed(int, QString)), SLOT(PlaylistRenamed(int, QString)));
connect(manager, SIGNAL(CurrentChanged(Playlist*)), SLOT(CurrentChanged(Playlist*)));
connect(manager, SIGNAL(ActiveChanged(Playlist*)), SLOT(ActiveChanged(Playlist*)));
connect(model_, SIGNAL(PlaylistRenamed(int, QString)), manager, SLOT(Rename(int, QString)));
connect(player, SIGNAL(Paused()), SLOT(ActivePaused()));
connect(player, SIGNAL(Playing()), SLOT(ActivePlaying()));
connect(player, SIGNAL(Stopped()), SLOT(ActiveStopped()));
// Get all playlists, even ones that are hidden in the UI.
for (const PlaylistBackend::Playlist &p : app->playlist_backend()->GetAllFavoritePlaylists()) {
QStandardItem *playlist_item = model_->NewPlaylist(p.name, p.id);
QStandardItem *parent_folder = model_->FolderByPath(p.ui_path);
parent_folder->appendRow(playlist_item);
}
}
void PlaylistListContainer::ReloadSettings() {
QSettings s;
s.beginGroup(AppearanceSettingsPage::kSettingsGroup);
int iconsize = s.value(AppearanceSettingsPage::kIconSizeLeftPanelButtons, 22).toInt();
s.endGroup();
ui_->new_folder->setIconSize(QSize(iconsize, iconsize));
ui_->remove->setIconSize(QSize(iconsize, iconsize));
ui_->save_playlist->setIconSize(QSize(iconsize, iconsize));
}
void PlaylistListContainer::showEvent(QShowEvent *e) {
// Loading icons is expensive so only do it when the view is first opened
if (loaded_icons_) {
QWidget::showEvent(e);
return;
}
loaded_icons_ = true;
action_new_folder_->setIcon(IconLoader::Load("folder-new"));
action_remove_->setIcon(IconLoader::Load("edit-delete"));
action_save_playlist_->setIcon(IconLoader::Load("document-save"));
action_copy_to_device_->setIcon(IconLoader::Load("device"));
model_->SetIcons(IconLoader::Load("view-media-playlist"), IconLoader::Load("folder"));
// Apply these icons to items that have already been created.
RecursivelySetIcons(model_->invisibleRootItem());
QWidget::showEvent(e);
}
void PlaylistListContainer::RecursivelySetIcons(QStandardItem *parent) const {
for (int i = 0; i < parent->rowCount(); ++i) {
QStandardItem *child = parent->child(i);
switch (child->data(PlaylistListModel::Role_Type).toInt()) {
case PlaylistListModel::Type_Folder:
child->setIcon(model_->folder_icon());
RecursivelySetIcons(child);
break;
case PlaylistListModel::Type_Playlist:
child->setIcon(model_->playlist_icon());
break;
}
}
}
void PlaylistListContainer::NewFolderClicked() {
QString name = QInputDialog::getText(this, tr("New folder"), tr("Enter the name of the folder"));
if (name.isEmpty()) {
return;
}
name.replace("/", " ");
model_->invisibleRootItem()->appendRow(model_->NewFolder(name));
}
void PlaylistListContainer::AddPlaylist(int id, const QString &name, bool favorite) {
if (!favorite) {
return;
}
if (model_->PlaylistById(id)) {
// We know about this playlist already - it was probably one of the open ones that was loaded on startup.
return;
}
const QString &ui_path = app_->playlist_manager()->playlist(id)->ui_path();
QStandardItem *playlist_item = model_->NewPlaylist(name, id);
QStandardItem *parent_folder = model_->FolderByPath(ui_path);
parent_folder->appendRow(playlist_item);
}
void PlaylistListContainer::PlaylistRenamed(int id, const QString &new_name) {
QStandardItem *item = model_->PlaylistById(id);
if (!item) {
return;
}
item->setText(new_name);
}
void PlaylistListContainer::RemovePlaylist(int id) {
QStandardItem *item = model_->PlaylistById(id);
if (item) {
QStandardItem *parent = item->parent();
if (!parent) {
parent = model_->invisibleRootItem();
}
parent->removeRow(item->row());
}
}
void PlaylistListContainer::SavePlaylist() {
const QModelIndex &current_index = proxy_->mapToSource(ui_->tree->currentIndex());
// Is it a playlist?
if (current_index.data(PlaylistListModel::Role_Type).toInt() == PlaylistListModel::Type_Playlist) {
const int playlist_id = current_index.data(PlaylistListModel::Role_PlaylistId).toInt();
QStandardItem *item = model_->PlaylistById(playlist_id);
QString playlist_name = item ? item->text() : tr("Playlist");
app_->playlist_manager()->SaveWithUI(playlist_id, playlist_name);
}
}
void PlaylistListContainer::PlaylistFavoriteStateChanged(int id, bool favorite) {
if (favorite) {
const QString &name = app_->playlist_manager()->GetPlaylistName(id);
AddPlaylist(id, name, favorite);
}
else {
RemovePlaylist(id);
}
}
void PlaylistListContainer::ActiveChanged(Playlist *new_playlist) {
const int new_id = new_playlist->id();
if (new_id != active_playlist_id_) {
UpdateActiveIcon(active_playlist_id_, QIcon());
}
active_playlist_id_ = new_id;
}
void PlaylistListContainer::CurrentChanged(Playlist *new_playlist) {
if (!new_playlist) {
return;
}
// Focus this playlist in the tree
QStandardItem *item = model_->PlaylistById(new_playlist->id());
if (!item) {
return;
}
QModelIndex index = proxy_->mapFromSource(item->index());
ui_->tree->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
ui_->tree->scrollTo(index);
}
void PlaylistListContainer::PlaylistPathChanged(int id, const QString &new_path) {
// Update the path in the database
app_->playlist_backend()->SetPlaylistUiPath(id, new_path);
Playlist *playlist = app_->playlist_manager()->playlist(id);
// Check the playlist exists (if it's not opened it's not in the manager)
if (playlist) {
playlist->set_ui_path(new_path);
}
}
void PlaylistListContainer::ItemDoubleClicked(const QModelIndex &proxy_index) {
const QModelIndex &index = proxy_->mapToSource(proxy_index);
// Is it a playlist?
if (index.data(PlaylistListModel::Role_Type).toInt() == PlaylistListModel::Type_Playlist) {
app_->playlist_manager()->SetCurrentOrOpen(index.data(PlaylistListModel::Role_PlaylistId).toInt());
}
}
void PlaylistListContainer::CopyToDevice()
{
#ifndef Q_OS_WIN
// Reuse the organise dialog, but set the detail about the playlist name
if (!organise_dialog_) {
organise_dialog_.reset(new OrganiseDialog {app_->task_manager()});
}
organise_dialog_->SetDestinationModel(app_->device_manager()->connected_devices_model(), true);
organise_dialog_->SetCopy(true);
const QModelIndex &current_index = proxy_->mapToSource(ui_->tree->currentIndex());
// Is it a playlist?
if (current_index.data(PlaylistListModel::Role_Type).toInt() == PlaylistListModel::Type_Playlist) {
const int playlist_id = current_index.data(PlaylistListModel::Role_PlaylistId).toInt();
QStandardItem *item = model_->PlaylistById(playlist_id);
QString playlist_name = item ? item->text() : tr("Playlist");
organise_dialog_->SetPlaylist(playlist_name);
// Get the songs in the playlist
organise_dialog_->SetSongs(app_->playlist_manager()->playlist(playlist_id)->GetAllSongs());
organise_dialog_->show();
}
#endif
}
void PlaylistListContainer::DeleteClicked() {
QSet<int> ids;
QList<QPersistentModelIndex> folders_to_delete;
for (const QModelIndex &proxy_index : ui_->tree->selectionModel()->selectedRows(0)) {
const QModelIndex &index = proxy_->mapToSource(proxy_index);
// Is it a playlist?
switch (index.data(PlaylistListModel::Role_Type).toInt()) {
case PlaylistListModel::Type_Playlist:
ids << index.data(PlaylistListModel::Role_PlaylistId).toInt();
break;
case PlaylistListModel::Type_Folder:
// Find all the playlists inside.
RecursivelyFindPlaylists(index, &ids);
folders_to_delete << index;
break;
}
}
// Make sure the user really wants to unfavorite all these playlists.
if (ids.count() > 1) {
const int button = QMessageBox::question(this, tr("Remove playlists"), tr("You are about to remove %1 playlists from your favorites, are you sure?").arg(ids.count()), QMessageBox::Yes, QMessageBox::Cancel);
if (button != QMessageBox::Yes) {
return;
}
}
// Unfavorite the playlists
for (int id : ids) {
app_->playlist_manager()->Favorite(id, false);
}
// Delete the top-level folders.
for (const QPersistentModelIndex &index : folders_to_delete) {
if (index.isValid()) {
model_->removeRow(index.row(), index.parent());
}
}
}
void PlaylistListContainer::RecursivelyFindPlaylists(const QModelIndex &parent, QSet<int> *ids) const {
switch (parent.data(PlaylistListModel::Role_Type).toInt()) {
case PlaylistListModel::Type_Playlist:
ids->insert(parent.data(PlaylistListModel::Role_PlaylistId).toInt());
break;
case PlaylistListModel::Type_Folder:
for (int i = 0; i < parent.model()->rowCount(parent); ++i) {
RecursivelyFindPlaylists(parent.model()->index(i, 0, parent), ids);
}
break;
}
}
void PlaylistListContainer::contextMenuEvent(QContextMenuEvent *e) {
if (!menu_) {
menu_ = new QMenu(this);
menu_->addAction(action_new_folder_);
menu_->addAction(action_remove_);
menu_->addSeparator();
menu_->addAction(action_save_playlist_);
menu_->addSeparator();
menu_->addAction(action_copy_to_device_);
}
menu_->popup(e->globalPos());
}
void PlaylistListContainer::ActivePlaying() {
if (padded_play_icon_.isNull()) {
QPixmap pixmap(":/pictures/tiny-play.png");
QPixmap new_pixmap(QSize(pixmap.height(), pixmap.height()));
new_pixmap.fill(Qt::transparent);
QPainter p(&new_pixmap);
p.drawPixmap((new_pixmap.width() - pixmap.width()) / 2, 0, pixmap.width(), pixmap.height(), pixmap);
p.end();
padded_play_icon_.addPixmap(new_pixmap);
}
UpdateActiveIcon(active_playlist_id_, padded_play_icon_);
}
void PlaylistListContainer::ActivePaused() {
UpdateActiveIcon(active_playlist_id_, QIcon(":/pictures/tiny-pause.png"));
}
void PlaylistListContainer::ActiveStopped() {
UpdateActiveIcon(active_playlist_id_, QIcon());
}
void PlaylistListContainer::UpdateActiveIcon(int id, const QIcon &icon) {
if (id == -1) {
return;
}
QStandardItem *item = model_->PlaylistById(id);
if (!item) {
return;
}
if (icon.isNull()) {
item->setIcon(model_->playlist_icon());
}
else {
item->setIcon(icon);
}
}