Use singletons for models

Created singletons for the ListModel* and MovieModel*. There should only
be one of each and they were passed around quite a lot.

1 files changed, 27 insertions, 0 deletions

diff --git a/listmodelsingleton.cpp b/listmodelsingleton.cpp
new file mode 100644
index 0000000..69d028d
--- /dev/null
+++ b/listmodelsingleton.cpp
@@ -0,0 +1,27 @@
+/*
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License
+  as published by the Free Software Foundation; either version
+  2 of the License, or (at your option) any later version.
+*/
+
+#include "listmodelsingleton.h"
+
+ListModelSingleton *ListModelSingleton::mInstance = 0;
+
+ListModelSingleton::ListModelSingleton() {}
+
+ListModelSingleton *ListModelSingleton::instance(){
+	if(mInstance == 0){
+		mInstance = new ListModelSingleton();
+	}
+	return mInstance;
+}
+
+ListModel* ListModelSingleton::model(const QString &which){
+	if(!mModels.contains(which)){
+		ListModel *newModel = new ListModel(which, 0);
+		mModels.insert(which, newModel);
+	}
+	return mModels.value(which);
+}