qt: use ModelRecoveryAgent for main playlist list model

modules/gui/qt/qt.cpp

@@ -83,6 +83,7 @@ extern "C" char **environ;
 #include "maininterface/compositor.hpp"
 #include "util/vlctick.hpp"
 #include "util/shared_input_item.hpp"
+#include "util/model_recovery_agent.hpp"
 #include "network/networkmediamodel.hpp"
 #include "playlist/playlist_common.hpp"
 #include "playlist/playlist_item.hpp"
@@ -1017,6 +1018,15 @@ static void *Thread( void *obj )
     p_intf->p_mainPlayerController = new PlayerController(p_intf);
     p_intf->p_mainPlaylistController = new vlc::playlist::PlaylistController(p_intf->p_playlist);
 
+    std::unique_ptr<ModelRecoveryAgent> playlistModelRecoveryAgent;
+    QMetaObject::invokeMethod(&app, [&playlistModelRecoveryAgent, p_intf]() {
+        try {
+            playlistModelRecoveryAgent = std::make_unique<ModelRecoveryAgent>(p_intf->mainSettings,
+                                                                              QStringLiteral("Playlist"),
+                                                                              p_intf->p_mainPlaylistController);
+        } catch (...){ }
+    }, Qt::QueuedConnection);
+
     /* Create the normal interface in non-DP mode */
 #ifdef _WIN32
     p_intf->p_mi = new MainCtxWin32(p_intf);
@@ -1096,6 +1106,8 @@ static void *Thread( void *obj )
     app.exec();
 
     msg_Dbg( p_intf, "QApp exec() finished" );
+
+    playlistModelRecoveryAgent.reset();
     return ThreadCleanup( p_intf, CLEANUP_APP_TERMINATED );
 }