Only index the database when a valid uuid is present.

Refresh the database when a PS Vita is connected.

src/clientmanager.cpp

@@ -106,8 +106,13 @@ void ClientManager::start()
 
 void ClientManager::refreshDatabase()
 {
-    if(!db.reload()) {
-        emit messageSent(tr("Cannot refresh the database while is in use"));
+    bool prepared;
+    if(!db.reload(prepared)) {
+        if(prepared) {
+            emit messageSent(tr("Cannot refresh the database while is in use"));
+        } else {
+            emit messageSent(tr("No PS Vita system has been registered"));
+        }
     } else {
         progress.show();
     }

src/cmaclient.cpp

@@ -174,6 +174,7 @@ void CmaClient::enterEventLoop(vita_device_t *device)
 
     eventLoop.moveToThread(&thread);
     connect(&thread, SIGNAL(started()), &eventLoop, SLOT(process()));
+    connect(&eventLoop, SIGNAL(refreshDatabase()), this, SIGNAL(refreshDatabase()), Qt::DirectConnection);
     connect(&eventLoop, SIGNAL(finishedEventLoop()), &thread, SLOT(quit()), Qt::DirectConnection);
     thread.start();
 

src/database.cpp

@@ -58,10 +58,17 @@ void Database::setUUID(const QString uuid)
     QSettings().setValue("lastAccountId", uuid);
 }
 
-bool Database::reload()
+bool Database::reload(bool &prepared)
 {
     if(mutex.tryLock()) {
-        timer->start();
+        if(CMARootObject::uuid != "ffffffffffffffff") {
+            timer->start();
+            prepared = true;
+        } else {
+            mutex.unlock();
+            prepared = false;
+            return false;
+        }
         return true;
     } else {
         return false;
@@ -127,7 +134,6 @@ int Database::create()
         case VITA_OHFI_PSPSAVE:
         case VITA_OHFI_PSXAPP:
         case VITA_OHFI_PSMAPP:
-
             obj->initObject(settings.value("appsPath").toString());
         }
 

src/database.h

@@ -42,7 +42,7 @@ public:
     explicit Database();
     ~Database();
 
-    bool reload();
+    bool reload(bool &prepared);
     void setUUID(const QString uuid);
     void addEntries(CMAObject *root);
     CMAObject *ohfiToObject(int ohfi);