Fix critical crashes:

- set cpp managment for list
- remove items stored in shared pointer that are managed by Gui
- queue connection for signals between GUI/Core in order to avoid calling functions while destructions.

Linphone/core/account/AccountProxy.cpp

@@ -77,9 +77,12 @@ void AccountProxy::setSourceModel(QAbstractItemModel *model) {
 	}
 	auto newAccountList = dynamic_cast<AccountList *>(model);
 	if (newAccountList) {
-		connect(newAccountList, &AccountList::countChanged, this, &AccountProxy::resetDefaultAccount);
+		connect(newAccountList, &AccountList::countChanged, this, &AccountProxy::resetDefaultAccount,
-		connect(newAccountList, &AccountList::defaultAccountChanged, this, &AccountProxy::resetDefaultAccount);
+		        Qt::QueuedConnection);
-		connect(newAccountList, &AccountList::haveAccountChanged, this, &AccountProxy::haveAccountChanged);
+		connect(newAccountList, &AccountList::defaultAccountChanged, this, &AccountProxy::resetDefaultAccount,
+		        Qt::QueuedConnection);
+		connect(newAccountList, &AccountList::haveAccountChanged, this, &AccountProxy::haveAccountChanged,
+		        Qt::QueuedConnection);
 	}
 	QSortFilterProxyModel::setSourceModel(model);
 }

Linphone/core/address-books/LdapList.cpp

@@ -43,6 +43,7 @@ QSharedPointer<LdapCore> LdapList::createLdapCore(const std::shared_ptr<linphone
 
 LdapList::LdapList(QObject *parent) : ListProxy(parent) {
 	mustBeInMainThread(getClassName());
+	App::getInstance()->mEngine->setObjectOwnership(this, QQmlEngine::CppOwnership);
 }
 
 LdapList::~LdapList() {

Linphone/core/call-history/CallHistoryList.cpp

@@ -44,6 +44,7 @@ CallHistoryList::createCallHistoryCore(const std::shared_ptr<linphone::CallLog>
 
 CallHistoryList::CallHistoryList(QObject *parent) : ListProxy(parent) {
 	mustBeInMainThread(getClassName());
+	App::getInstance()->mEngine->setObjectOwnership(this, QQmlEngine::CppOwnership);
 }
 
 CallHistoryList::~CallHistoryList() {

Linphone/core/call/CallProxy.cpp

@@ -72,8 +72,8 @@ void CallProxy::setSourceModel(QAbstractItemModel *model) {
 	}
 	auto newCallList = dynamic_cast<CallList *>(model);
 	if (newCallList) {
-		connect(newCallList, &CallList::currentCallChanged, this, &CallProxy::resetCurrentCall);
+		connect(newCallList, &CallList::currentCallChanged, this, &CallProxy::resetCurrentCall, Qt::QueuedConnection);
-		connect(newCallList, &CallList::haveCallChanged, this, &CallProxy::haveCallChanged);
+		connect(newCallList, &CallList::haveCallChanged, this, &CallProxy::haveCallChanged, Qt::QueuedConnection);
 		connect(this, &CallProxy::lMergeAll, newCallList, &CallList::lMergeAll);
 	}
 	QSortFilterProxyModel::setSourceModel(model);

Linphone/core/conference/ConferenceInfoList.cpp

@@ -40,6 +40,7 @@ QSharedPointer<ConferenceInfoList> ConferenceInfoList::create() {
 
 ConferenceInfoList::ConferenceInfoList(QObject *parent) : ListProxy(parent) {
 	mustBeInMainThread(getClassName());
+	App::getInstance()->mEngine->setObjectOwnership(this, QQmlEngine::CppOwnership);
 }
 
 ConferenceInfoList::~ConferenceInfoList() {

Linphone/core/conference/ConferenceInfoProxy.cpp

@@ -28,18 +28,24 @@ DEFINE_ABSTRACT_OBJECT(ConferenceInfoProxy)
 ConferenceInfoProxy::ConferenceInfoProxy(QObject *parent) : SortFilterProxy(parent) {
 	mList = ConferenceInfoList::create();
 	setSourceModel(mList.get());
-	connect(this, &ConferenceInfoProxy::searchTextChanged, [this] {
+	connect(
-		invalidate();
+	    this, &ConferenceInfoProxy::searchTextChanged, this,
-		updateCurrentDateIndex();
+	    [this] {
-	});
+		    invalidate();
-	connect(mList.get(), &ConferenceInfoList::haveCurrentDateChanged, [this] {
+		    updateCurrentDateIndex();
-		invalidate();
+	    },
-		updateCurrentDateIndex();
+	    Qt::QueuedConnection);
-	});
+	connect(
+	    mList.get(), &ConferenceInfoList::haveCurrentDateChanged, this,
+	    [this] {
+		    invalidate();
+		    updateCurrentDateIndex();
+	    },
+	    Qt::QueuedConnection);
 	connect(mList.get(), &ConferenceInfoList::haveCurrentDateChanged, this,
-	        &ConferenceInfoProxy::haveCurrentDateChanged);
+	        &ConferenceInfoProxy::haveCurrentDateChanged, Qt::QueuedConnection);
 	connect(mList.get(), &ConferenceInfoList::currentDateIndexChanged, this,
-	        &ConferenceInfoProxy::updateCurrentDateIndex);
+	        &ConferenceInfoProxy::updateCurrentDateIndex, Qt::QueuedConnection);
 }
 
 ConferenceInfoProxy::~ConferenceInfoProxy() {

Linphone/core/friend/FriendInitialProxy.cpp

@@ -43,14 +43,6 @@ void FriendInitialProxy::setFilterText(const QString &filter) {
 	}
 }
 
-// void FriendInitialProxy::setSourceModel(QAbstractItemModel *sourceModel) {
-// 	mSource = qSharedPointerCast<MagicSearchProxy>(QSharedPointer<QAbstractItemModel>(sourceModel));
-// }
-
-// QAbstractItemModel *FriendInitialProxy::sourceModel() const {
-// 	return mSource.get();
-// }
-
 bool FriendInitialProxy::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const {
 	bool show = (mFilterText.isEmpty() || mFilterText == "*");
 	if (!show) {

Linphone/core/friend/FriendInitialProxy.hpp

@@ -53,8 +53,6 @@ protected:
 	virtual bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override;
 
 	QString mFilterText;
-	QSharedPointer<MagicSearchProxy> mSource;
-
 	DECLARE_ABSTRACT_OBJECT
 };
 

Linphone/core/participant/ParticipantDeviceProxy.cpp

@@ -32,7 +32,8 @@ DEFINE_GUI_OBJECT(ParticipantDeviceProxy)
 
 ParticipantDeviceProxy::ParticipantDeviceProxy(QObject *parent) : SortFilterProxy(parent) {
 	mParticipants = ParticipantDeviceList::create();
-	connect(mParticipants.get(), &ParticipantDeviceList::countChanged, this, &ParticipantDeviceProxy::meChanged);
+	connect(mParticipants.get(), &ParticipantDeviceList::countChanged, this, &ParticipantDeviceProxy::meChanged,
+	        Qt::QueuedConnection);
 
 	setSourceModel(mParticipants.get());
 	sort(0); //, Qt::DescendingOrder);

Linphone/core/phone-number/PhoneNumberList.cpp

@@ -36,6 +36,7 @@ QSharedPointer<PhoneNumberList> PhoneNumberList::create() {
 
 PhoneNumberList::PhoneNumberList(QObject *parent) : ListProxy(parent) {
 	mustBeInMainThread(getClassName());
+	App::getInstance()->mEngine->setObjectOwnership(this, QQmlEngine::CppOwnership);
 	App::postModelAsync([=]() {
 		// Model thread.
 		auto dialPlans = linphone::Factory::get()->getDialPlans();

Linphone/core/search/MagicSearchList.cpp

@@ -39,6 +39,7 @@ QSharedPointer<MagicSearchList> MagicSearchList::create() {
 
 MagicSearchList::MagicSearchList(QObject *parent) : ListProxy(parent) {
 	mustBeInMainThread(getClassName());
+	App::getInstance()->mEngine->setObjectOwnership(this, QQmlEngine::CppOwnership);
 	mSourceFlags = (int)linphone::MagicSearch::Source::Friends | (int)linphone::MagicSearch::Source::LdapServers;
 	mAggregationFlag = LinphoneEnums::MagicSearchAggregation::Friend;
 	mSearchFilter = "*";

Linphone/core/search/MagicSearchProxy.cpp

@@ -43,17 +43,25 @@ void MagicSearchProxy::setList(QSharedPointer<MagicSearchList> newList) {
 	}
 	mList = newList;
 	if (mList) {
-		connect(mList.get(), &MagicSearchList::sourceFlagsChanged, this, &MagicSearchProxy::sourceFlagsChanged);
+		connect(mList.get(), &MagicSearchList::sourceFlagsChanged, this, &MagicSearchProxy::sourceFlagsChanged,
-		connect(mList.get(), &MagicSearchList::aggregationFlagChanged, this, &MagicSearchProxy::aggregationFlagChanged);
+		        Qt::QueuedConnection);
-		connect(mList.get(), &MagicSearchList::friendCreated, this, [this](int index) {
+		connect(mList.get(), &MagicSearchList::aggregationFlagChanged, this, &MagicSearchProxy::aggregationFlagChanged,
-			auto proxyIndex = mapFromSource(sourceModel()->index(index, 0));
+		        Qt::QueuedConnection);
-			emit friendCreated(proxyIndex.row());
+		connect(
-		});
+		    mList.get(), &MagicSearchList::friendCreated, this,
-		connect(mList.get(), &MagicSearchList::initialized, this, [this, newList = mList.get()] {
+		    [this](int index) {
-			emit newList->lSetSourceFlags(mSourceFlags);
+			    auto proxyIndex = mapFromSource(sourceModel()->index(index, 0));
-			emit newList->lSetAggregationFlag(mAggregationFlag);
+			    emit friendCreated(proxyIndex.row());
-			emit initialized();
+		    },
-		});
+		    Qt::QueuedConnection);
+		connect(
+		    mList.get(), &MagicSearchList::initialized, this,
+		    [this, newList = mList.get()] {
+			    emit newList->lSetSourceFlags(mSourceFlags);
+			    emit newList->lSetAggregationFlag(mAggregationFlag);
+			    emit initialized();
+		    },
+		    Qt::QueuedConnection);
 	}
 	setSourceModel(mList.get());
 }

Linphone/core/timezone/TimeZoneList.cpp

@@ -36,6 +36,7 @@ QSharedPointer<TimeZoneList> TimeZoneList::create() {
 }
 
 TimeZoneList::TimeZoneList(QObject *parent) : ListProxy(parent) {
+	App::getInstance()->mEngine->setObjectOwnership(this, QQmlEngine::CppOwnership);
 	initTimeZones();
 }