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diff --git a/eventsview-plugins/eventsview-plugin-mastodon/abstractsocialcachemodel.h b/eventsview-plugins/eventsview-plugin-mastodon/abstractsocialcachemodel.h
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+/*
+ * Copyright (C) 2013 Jolla Ltd.
+ * Contact: Lucien Xu <lucien.xu@jollamobile.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef ABSTRACTSOCIALCACHEMODEL_H
+#define ABSTRACTSOCIALCACHEMODEL_H
+
+#include <QtCore/QAbstractListModel>
+
+typedef QMap<int, QVariant> SocialCacheModelRow;
+typedef QList<SocialCacheModelRow> SocialCacheModelData;
+
+class AbstractSocialCacheModelPrivate;
+
+class AbstractSocialCacheModel : public QAbstractListModel
+{
+    Q_OBJECT
+    Q_PROPERTY(QString nodeIdentifier READ nodeIdentifier WRITE setNodeIdentifier NOTIFY nodeIdentifierChanged)
+    Q_PROPERTY(int count READ count NOTIFY countChanged)
+
+public:
+    virtual ~AbstractSocialCacheModel();
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    QVariant data(const QModelIndex &index, int role) const;
+    Q_INVOKABLE QVariant getField(int row, int role) const;
+
+    // properties
+    QString nodeIdentifier() const;
+    void setNodeIdentifier(const QString &nodeIdentifier);
+    int count() const;
+
+
+public Q_SLOTS:
+    virtual void refresh() = 0;
+
+Q_SIGNALS:
+    void nodeIdentifierChanged();
+    void countChanged();
+    void modelUpdated();
+
+protected:
+    // Methods used to update the model in the C++ side
+    void updateData(const SocialCacheModelData &data);
+    void updateRow(int row, const SocialCacheModelRow &data);
+
+    explicit AbstractSocialCacheModel(AbstractSocialCacheModelPrivate &dd, QObject *parent = 0);
+    QScopedPointer<AbstractSocialCacheModelPrivate> d_ptr;
+
+private:
+    Q_DECLARE_PRIVATE(AbstractSocialCacheModel)
+};
+
+Q_DECLARE_METATYPE(SocialCacheModelRow)
+Q_DECLARE_METATYPE(SocialCacheModelData)
+
+#endif // ABSTRACTSOCIALCACHEMODEL_H