Add smart playlists, ratings and Qobuz

Fixes #259
Fixes #264

src/smartplaylists/smartplaylistwizard.cpp

@@ -0,0 +1,179 @@
+/*
+ * 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 <QWizard>
+#include <QWizardPage>
+#include <QLabel>
+#include <QRadioButton>
+#include <QVBoxLayout>
+
+#include "core/logging.h"
+#include "core/iconloader.h"
+
+#include "smartplaylistquerywizardplugin.h"
+#include "smartplaylistwizard.h"
+#include "smartplaylistwizardplugin.h"
+#include "ui_smartplaylistwizardfinishpage.h"
+
+class SmartPlaylistWizard::TypePage : public QWizardPage {
+ public:
+  TypePage(QWidget *parent) : QWizardPage(parent), next_id_(-1) {}
+
+  int nextId() const { return next_id_; }
+  int next_id_;
+};
+
+class SmartPlaylistWizard::FinishPage : public QWizardPage {
+ public:
+  FinishPage(QWidget *parent) : QWizardPage(parent), ui_(new Ui_SmartPlaylistWizardFinishPage) {
+    ui_->setupUi(this);
+    connect(ui_->name, SIGNAL(textChanged(QString)), SIGNAL(completeChanged()));
+  }
+
+  ~FinishPage() { delete ui_; }
+
+  int nextId() const { return -1; }
+  bool isComplete() const { return !ui_->name->text().isEmpty(); }
+
+  Ui_SmartPlaylistWizardFinishPage *ui_;
+
+};
+
+SmartPlaylistWizard::SmartPlaylistWizard(Application *app, CollectionBackend *collection, QWidget *parent)
+    : QWizard(parent),
+      app_(app),
+      collection_(collection),
+      type_page_(new TypePage(this)),
+      finish_page_(new FinishPage(this)),
+      type_index_(-1) {
+
+  setWindowIcon(IconLoader::Load("strawberry"));
+  setWindowTitle(tr("Smart playlist"));
+
+  resize(788, 628);
+
+#ifdef Q_OS_MACOS
+  // MacStyle leaves an ugly empty space on the left side of the dialog.
+  setWizardStyle(QWizard::ClassicStyle);
+#endif
+
+  // Type page
+  type_page_->setTitle(tr("Playlist type"));
+  type_page_->setSubTitle(tr("A smart playlist is a dynamic list of songs that come from your collection.  There are different types of smart playlist that offer different ways of selecting songs."));
+  type_page_->setStyleSheet("QRadioButton { font-weight: bold; } QLabel { margin-bottom: 1em; margin-left: 24px; }");
+  addPage(type_page_);
+
+  // Finish page
+  finish_page_->setTitle(tr("Finish"));
+  finish_page_->setSubTitle(tr("Choose a name for your smart playlist"));
+  finish_id_ = addPage(finish_page_);
+
+  new QVBoxLayout(type_page_);
+  AddPlugin(new SmartPlaylistQueryWizardPlugin(app_, collection_, this));
+
+  // Skip the type page - remove this when we have more than one type
+  setStartId(2);
+
+}
+
+SmartPlaylistWizard::~SmartPlaylistWizard() {
+  qDeleteAll(plugins_);
+}
+
+void SmartPlaylistWizard::SetGenerator(PlaylistGeneratorPtr gen) {
+
+  // Find the right type and jump to the start page
+  for (int i = 0; i < plugins_.count(); ++i) {
+    if (plugins_[i]->type() == gen->type()) {
+      TypeChanged(i);
+      // TODO: Put this back in when the setStartId is removed from the ctor next();
+      break;
+    }
+  }
+
+  if (type_index_ == -1) {
+    qLog(Error) << "Plugin was not found for generator type" << gen->type();
+    return;
+  }
+
+  // Set the name
+  if (!gen->name().isEmpty()) {
+    setWindowTitle(windowTitle() + " - " + gen->name());
+  }
+  finish_page_->ui_->name->setText(gen->name());
+  finish_page_->ui_->dynamic->setChecked(gen->is_dynamic());
+
+  // Tell the plugin to load
+  plugins_[type_index_]->SetGenerator(gen);
+
+}
+
+void SmartPlaylistWizard::AddPlugin(SmartPlaylistWizardPlugin *plugin) {
+
+  const int index = plugins_.count();
+  plugins_ << plugin;
+  plugin->Init(this, finish_id_);
+
+  // Create the radio button
+  QRadioButton *radio_button = new QRadioButton(plugin->name(), type_page_);
+  QLabel *description = new QLabel(plugin->description(), type_page_);
+  type_page_->layout()->addWidget(radio_button);
+  type_page_->layout()->addWidget(description);
+
+  connect(radio_button, &QRadioButton::clicked, [this, index]() { TypeChanged(index); } );
+
+  if (index == 0) {
+    radio_button->setChecked(true);
+    TypeChanged(0);
+  }
+
+}
+
+void SmartPlaylistWizard::TypeChanged(const int index) {
+
+  type_index_ = index;
+  type_page_->next_id_ = plugins_[type_index_]->start_page();
+
+}
+
+PlaylistGeneratorPtr SmartPlaylistWizard::CreateGenerator() const {
+
+  PlaylistGeneratorPtr ret;
+  if (type_index_ == -1) return ret;
+
+  ret = plugins_[type_index_]->CreateGenerator();
+  if (!ret) return ret;
+
+  ret->set_name(finish_page_->ui_->name->text());
+  ret->set_dynamic(finish_page_->ui_->dynamic->isChecked());
+  return ret;
+
+}
+
+void SmartPlaylistWizard::initializePage(const int id) {
+
+  if (id == finish_id_) {
+    finish_page_->ui_->dynamic_container->setEnabled(plugins_[type_index_]->is_dynamic());
+  }
+  QWizard::initializePage(id);
+
+}