1 files changed, 92 insertions, 0 deletions
diff --git a/lib/accountregistry.h b/lib/accountregistry.h
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+++ b/lib/accountregistry.h
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+// SPDX-FileCopyrightText: 2020 Kitsune Ral <Kitsune-Ral@users.sf.net>
+// SPDX-FileCopyrightText: Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#pragma once
+
+#include "quotient_export.h"
+#include "settings.h"
+
+#include <QtCore/QAbstractListModel>
+
+#if QT_VERSION_MAJOR >= 6
+#    include <qt6keychain/keychain.h>
+#else
+#    include <qt5keychain/keychain.h>
+#endif
+
+namespace QKeychain {
+class ReadPasswordJob;
+}
+
+namespace Quotient {
+class Connection;
+
+class QUOTIENT_API AccountRegistry : public QAbstractListModel,
+                                     private QVector<Connection*> {
+    Q_OBJECT
+    /// Number of accounts that are currently fully loaded
+    Q_PROPERTY(int accountCount READ rowCount NOTIFY accountCountChanged)
+    /// List of accounts that are currently in some stage of being loaded (Reading token from keychain, trying to contact server, etc).
+    /// Can be used to inform the user or to show a login screen if size() == 0 and no accounts are loaded
+    Q_PROPERTY(QStringList accountsLoading READ accountsLoading NOTIFY accountsLoadingChanged)
+public:
+    using vector_t = QVector<Connection*>;
+    using const_iterator = vector_t::const_iterator;
+    using const_reference = vector_t::const_reference;
+
+    enum EventRoles {
+        AccountRole = Qt::UserRole + 1,
+        ConnectionRole = AccountRole
+    };
+
+    [[deprecated("Use Accounts variable instead")]] //
+    static AccountRegistry& instance();
+
+    // Expose most of vector_t's const-API but only provide add() and drop()
+    // for changing it. In theory other changing operations could be supported
+    // too; but then boilerplate begin/end*() calls has to be tucked into each
+    // and this class gives no guarantees on the order of entries, so why care.
+
+    const vector_t& accounts() const { return *this; }
+    void add(Connection* a);
+    void drop(Connection* a);
+    const_iterator begin() const { return vector_t::begin(); }
+    const_iterator end() const { return vector_t::end(); }
+    const_reference front() const { return vector_t::front(); }
+    const_reference back() const { return vector_t::back(); }
+    bool isLoggedIn(const QString& userId) const;
+    Connection* get(const QString& userId);
+
+    using vector_t::isEmpty, vector_t::empty;
+    using vector_t::size, vector_t::count, vector_t::capacity;
+    using vector_t::cbegin, vector_t::cend, vector_t::contains;
+
+    // QAbstractItemModel interface implementation
+
+    [[nodiscard]] QVariant data(const QModelIndex& index,
+                                int role) const override;
+    [[nodiscard]] int rowCount(
+        const QModelIndex& parent = QModelIndex()) const override;
+    [[nodiscard]] QHash<int, QByteArray> roleNames() const override;
+
+    QStringList accountsLoading() const;
+
+    void invokeLogin();
+Q_SIGNALS:
+    void accountCountChanged();
+    void accountsLoadingChanged();
+
+    void keychainError(QKeychain::Error error);
+    void loginError(Connection* connection, QString message, QString details);
+    void resolveError(Connection* connection, QString error);
+
+private:
+    QKeychain::ReadPasswordJob* loadAccessTokenFromKeychain(const QString &userId);
+    QStringList m_accountsLoading;
+};
+
+inline QUOTIENT_API AccountRegistry Accounts {};
+
+inline AccountRegistry& AccountRegistry::instance() { return Accounts; }
+} // namespace Quotient