feat(app): filter/sorter is provided for any instances

tests/src/components/contacts/ContactModel.cpp

 #include "ContactModel.hpp"
 
 // ===================================================================
+
+ContactModel::PresenceLevel ContactModel:: getPresenceLevel () const {
+  if (m_presence == Online)
+    return Green;
+  if (m_presence == DoNotDisturb)
+    return Red;
+  if (m_presence == Offline)
+    return White;
+
+  return Orange;
+}

tests/src/components/contacts/ContactModel.hpp

@@ -100,16 +100,7 @@ private:
     return m_presence;
   }
 
-  PresenceLevel getPresenceLevel () const {
-    if (m_presence == Online)
-      return Green;
-    if (m_presence == DoNotDisturb)
-      return Red;
-    if (m_presence == Offline)
-      return White;
-
-    return Orange;
-  }
+  PresenceLevel getPresenceLevel () const;
 
   QStringList getSipAddresses () const {
     return m_sip_addresses;

tests/src/components/contacts/ContactsListProxyModel.cpp

-#include "ContactsListProxyModel.hpp"
-
 #include <QDebug>
 
+#include "ContactsListProxyModel.hpp"
+
 // ===================================================================
 
+ContactsListModel *ContactsListProxyModel::m_list = nullptr;
+
+ContactsListProxyModel::ContactsListProxyModel (QObject *parent) : QSortFilterProxyModel(parent) {
+  setSourceModel(m_list);
+  setDynamicSortFilter(true);
+  sort(0);
+}
+
+void ContactsListProxyModel::initContactsListModel (ContactsListModel *list) {
+  if (!m_list)
+    m_list = list;
+  else
+    qWarning() << "Contacts list model already defined.";
+}
+
 bool ContactsListProxyModel::filterAcceptsRow (int source_row, const QModelIndex &source_parent) const {
   QModelIndex index = sourceModel()->index(source_row, 0, source_parent);
   const ContactModel *contact = qvariant_cast<ContactModel *>(
     index.data(ContactsListModel::ContactRole)
   );
 
+  qDebug() << "A";
+
   return contact->getUsername().contains(
     filterRegExp().pattern(),
     Qt::CaseInsensitive
   );
 }
+
+bool ContactsListProxyModel::lessThan (const QModelIndex &left, const QModelIndex &right) const {
+
+  qDebug() << "B";
+
+  return true;
+}

tests/src/components/contacts/ContactsListProxyModel.hpp

@@ -11,17 +11,15 @@ class ContactsListProxyModel : public QSortFilterProxyModel {
   Q_OBJECT;
 
 public:
-  ContactsListProxyModel (QObject *parent = Q_NULLPTR) : QSortFilterProxyModel(parent) {
-    setSourceModel(&m_list);
-    setDynamicSortFilter(true);
-    sort(0);
-  }
+  ContactsListProxyModel (QObject *parent = Q_NULLPTR);
+  static void initContactsListModel (ContactsListModel *list);
 
 protected:
   bool filterAcceptsRow (int source_row, const QModelIndex &source_parent) const;
+  bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
 
 private:
-  ContactsListModel m_list;
+  static ContactsListModel *m_list;
 };
 
 #endif // CONTACTS_LIST_PROXY_MODEL_H

tests/src/main.cpp

@@ -51,6 +51,9 @@ void registerTypes () {
   qmlRegisterUncreatableType<ContactModel>(
     "Linphone", 1, 0, "ContactModel", "ContactModel is uncreatable"
   );
+
+  ContactsListProxyModel::initContactsListModel(new ContactsListModel());
+  qmlRegisterType<ContactsListProxyModel>("Linphone", 1, 0, "ContactsListModel");
 }
 
 void addContextProperties (QQmlApplicationEngine &engine) {

tests/ui/views/MainWindow/Contacts.qml

@@ -32,9 +32,7 @@ ColumnLayout {
         }
         placeholderText: qsTr('searchContactPlaceholder')
 
-        Component.onCompleted: ContactsListModel.setFilterRegExp('')
-
-        onTextChanged: ContactsListModel.setFilterRegExp(text)
+        onTextChanged: contacts.setFilterRegExp(text)
       }
 
       ExclusiveButtons {
@@ -62,7 +60,9 @@ ColumnLayout {
       anchors.fill: parent
       spacing: 2
 
-      model: ContactsListModel
+      model: ContactsListModel {
+        id: contacts
+      }
 
       delegate: Rectangle {
         id: contact