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diff --git a/eventsview-plugins/eventsview-plugin-mastodon/abstractsocialcachemodel.cpp b/eventsview-plugins/eventsview-plugin-mastodon/abstractsocialcachemodel.cpp
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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
+ */
+
+#include "abstractsocialcachemodel.h"
+#include "abstractsocialcachemodel_p.h"
+
+#include <synchronizelists_p.h>
+
+#include <QtCore/QDebug>
+#include <QtCore/QMutexLocker>
+
+template <> bool compareIdentity<SocialCacheModelRow>(
+        const SocialCacheModelRow &item, const SocialCacheModelRow &reference)
+{
+    return item.value(0) == reference.value(0);
+}
+
+template <>
+int updateRange<AbstractSocialCacheModelPrivate, SocialCacheModelData>(
+        AbstractSocialCacheModelPrivate *d,
+        int index,
+        int count,
+        const SocialCacheModelData &source,
+        int sourceIndex)
+{
+    d->updateRange(index, count, source, sourceIndex);
+
+    return count;
+}
+
+AbstractSocialCacheModelPrivate::AbstractSocialCacheModelPrivate(AbstractSocialCacheModel *q)
+    : q_ptr(q)
+{
+}
+
+AbstractSocialCacheModelPrivate::~AbstractSocialCacheModelPrivate()
+{
+}
+
+void AbstractSocialCacheModelPrivate::clearData()
+{
+    Q_Q(AbstractSocialCacheModel);
+    if (m_data.count() > 0) {
+        q->beginRemoveRows(QModelIndex(), 0, m_data.count() - 1);
+        m_data.clear();
+        q->endRemoveRows();
+        emit q->countChanged();
+    }
+}
+
+void AbstractSocialCacheModelPrivate::updateData(const SocialCacheModelData &data)
+{
+    Q_Q(AbstractSocialCacheModel);
+    q->updateData(data);
+}
+
+void AbstractSocialCacheModelPrivate::updateRow(int row, const SocialCacheModelRow &data)
+{
+    Q_Q(AbstractSocialCacheModel);
+    q->updateRow(row, data);
+}
+
+void AbstractSocialCacheModelPrivate::insertRange(
+        int index, int count, const SocialCacheModelData &source, int sourceIndex)
+{
+    Q_Q(AbstractSocialCacheModel);
+
+    if (count > 0 && index >= 0) {
+        q->beginInsertRows(QModelIndex(), index, index + count - 1);
+        m_data = m_data.mid(0, index) + source.mid(sourceIndex, count) + m_data.mid(index);
+        q->endInsertRows();
+        emit q->countChanged();
+    }
+}
+
+void AbstractSocialCacheModelPrivate::removeRange(int index, int count)
+{
+    Q_Q(AbstractSocialCacheModel);
+
+    if (count > 0 && index >= 0) {
+        q->beginRemoveRows(QModelIndex(), index, index + count - 1);
+        m_data = m_data.mid(0, index) + m_data.mid(index + count);
+        q->endRemoveRows();
+        emit q->countChanged();
+    }
+}
+
+void AbstractSocialCacheModelPrivate::updateRange(
+        int index, int count, const SocialCacheModelData &source, int sourceIndex)
+{
+    Q_Q(AbstractSocialCacheModel);
+
+    for  (int i = 0; i < count; ++i) {
+        m_data[index + i] = source[sourceIndex + i];
+    }
+
+    emit q->dataChanged(q->createIndex(index, 0), q->createIndex(index + count - 1, 0));
+}
+
+AbstractSocialCacheModel::AbstractSocialCacheModel(AbstractSocialCacheModelPrivate &dd,
+                                                   QObject *parent)
+    : QAbstractListModel(parent), d_ptr(&dd)
+{
+}
+
+AbstractSocialCacheModel::~AbstractSocialCacheModel()
+{
+}
+
+int AbstractSocialCacheModel::rowCount(const QModelIndex &parent) const
+{
+    Q_UNUSED(parent)
+    Q_D(const AbstractSocialCacheModel);
+    return d->m_data.count();
+}
+
+QVariant AbstractSocialCacheModel::data(const QModelIndex &index, int role) const
+{
+    int row = index.row();
+    return getField(row, role);
+}
+
+QVariant AbstractSocialCacheModel::getField(int row, int role) const
+{
+    Q_D(const AbstractSocialCacheModel);
+    if (row < 0 || row >= d->m_data.count()) {
+        return QVariant();
+    }
+
+    return d->m_data.at(row).value(role);
+}
+
+QString AbstractSocialCacheModel::nodeIdentifier() const
+{
+    Q_D(const AbstractSocialCacheModel);
+    return d->nodeIdentifier;
+}
+
+void AbstractSocialCacheModel::setNodeIdentifier(const QString &nodeIdentifier)
+{
+    Q_D(AbstractSocialCacheModel);
+    if (d->nodeIdentifier != nodeIdentifier) {
+        d->nodeIdentifier = nodeIdentifier;
+        emit nodeIdentifierChanged();
+        d->nodeIdentifierChanged();
+    }
+}
+
+int AbstractSocialCacheModel::count() const
+{
+    return rowCount();
+}
+
+void AbstractSocialCacheModel::updateData(const SocialCacheModelData &data)
+{
+    Q_D(AbstractSocialCacheModel);
+
+    const int count = d->m_data.count();
+    synchronizeList(d, d->m_data, data);
+
+    if (d->m_data.count() != count) {
+        emit countChanged();
+    }
+    emit modelUpdated();
+}
+
+void AbstractSocialCacheModel::updateRow(int row, const SocialCacheModelRow &data)
+{
+    Q_D(AbstractSocialCacheModel);
+    foreach (int key, data.keys()) {
+        d->m_data[row].insert(key, data.value(key));
+    }
+    emit dataChanged(index(row), index(row));
+}