Add tidal support

src/widgets/loginstatewidget.h

@@ -0,0 +1,80 @@
+/*
+   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/>.
+
+*/
+
+#ifndef LOGINSTATEWIDGET_H
+#define LOGINSTATEWIDGET_H
+
+#include <QWidget>
+#include <QObject>
+#include <QList>
+#include <QString>
+#include <QDate>
+#include <QtEvents>
+
+class Ui_LoginStateWidget;
+
+class LoginStateWidget : public QWidget {
+  Q_OBJECT
+
+ public:
+  LoginStateWidget(QWidget *parent = nullptr);
+  ~LoginStateWidget();
+
+  enum State { LoggedIn, LoginInProgress, LoggedOut };
+
+  // Installs an event handler on the field so that pressing enter will emit
+  // LoginClicked() instead of doing the default action (closing the dialog).
+  void AddCredentialField(QWidget *widget);
+
+  // This widget (usually a QGroupBox) will be hidden when SetLoggedIn(true) is called.
+  void AddCredentialGroup(QWidget *widget);
+
+  // QObject
+  bool eventFilter(QObject *object, QEvent *event);
+
+ public slots:
+  // Changes the "You are logged in/out" label, shows/hides any QGroupBoxes added with AddCredentialGroup.
+  void SetLoggedIn(State state, const QString &account_name = QString::null);
+
+  // Hides the "You are logged in/out" label completely.
+  void HideLoggedInState();
+
+  void SetAccountTypeText(const QString &text);
+  void SetAccountTypeVisible(bool visible);
+
+  void SetExpires(const QDate &expires);
+
+signals:
+  void LogoutClicked();
+  void LoginClicked();
+
+ private slots:
+  void Logout();
+  void FocusLastCredentialField();
+
+ private:
+  Ui_LoginStateWidget *ui_;
+
+  State state_;
+
+  QList<QObject*> credential_fields_;
+  QList<QWidget*> credential_groups_;
+};
+
+#endif  // LOGINSTATEWIDGET_H