matrixion/src/LoginPage.h

// SPDX-FileCopyrightText: 2017 Konstantinos Sideris <siderisk@auth.gr>
// SPDX-FileCopyrightText: 2021 Nheko Contributors
// SPDX-FileCopyrightText: 2022 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later

#pragma once

#include <QWidget>

class FlatButton;
class LoadingIndicator;
class OverlayModal;
class RaisedButton;
class TextField;
class QLabel;
class QVBoxLayout;
class QHBoxLayout;

namespace mtx {
namespace responses {
struct Login;
}
}

class LoginPage : public QWidget
{
    Q_OBJECT

public:
    enum class LoginMethod
    {
        Password,
        SSO,
    };

    LoginPage(QWidget *parent = nullptr);

    void reset();

signals:
    void backButtonClicked();
    void loggingIn();
    void errorOccurred();

    //! Used to trigger the corresponding slot outside of the main thread.
    void versionErrorCb(const QString &err);
    void versionOkCb(bool passwordSupported, bool ssoSupported);

    void loginOk(const mtx::responses::Login &res);
    void showErrorMessage(QLabel *label, const QString &msg);

protected:
    void paintEvent(QPaintEvent *event) override;

public slots:
    // Displays errors produced during the login.
    void showError(const QString &msg);
    void showError(QLabel *label, const QString &msg);

private slots:
    // Callback for the back button.
    void onBackButtonClicked();

    // Callback for the login button.
    void onLoginButtonClicked(LoginMethod loginMethod);

    // Callback for probing the server found in the mxid
    void onMatrixIdEntered();

    // Callback for probing the manually entered server
    void onServerAddressEntered();

    // Callback for errors produced during server probing
    void versionError(const QString &error_message);
    // Callback for successful server probing
    void versionOk(bool passwordSupported, bool ssoSupported);

private:
    void checkHomeserverVersion();
    std::string initialDeviceName()
    {
#if defined(Q_OS_MAC)
        return "Nheko on macOS";
#elif defined(Q_OS_LINUX)
        return "Nheko on Linux";
#elif defined(Q_OS_WIN)
        return "Nheko on Windows";
#elif defined(Q_OS_FREEBSD)
        return "Nheko on FreeBSD";
#else
        return "Nheko";
#endif
    }

    QVBoxLayout *top_layout_;

    QHBoxLayout *top_bar_layout_;
    QHBoxLayout *logo_layout_;
    QHBoxLayout *button_layout_;

    QLabel *logo_;
    QLabel *error_label_;
    QLabel *error_matrixid_label_;

    QHBoxLayout *serverLayout_;
    QHBoxLayout *matrixidLayout_;
    LoadingIndicator *spinner_;
    QLabel *errorIcon_;
    QString inferredServerAddress_;

    FlatButton *back_button_;
    RaisedButton *login_button_, *sso_login_button_;

    QWidget *form_widget_;
    QHBoxLayout *form_wrapper_;
    QVBoxLayout *form_layout_;

    TextField *matrixid_input_;
    TextField *password_input_;
    TextField *deviceName_;
    TextField *serverInput_;
    bool passwordSupported = true;
    bool ssoSupported      = false;
};