From 1b884d0a9dc28d8bca38fe8756482d991d0ea850 Mon Sep 17 00:00:00 2001
From: Petr Mrázek <peterix@gmail.com>
Date: Mon, 4 May 2015 01:20:48 +0200
Subject: GH-907 improve Java testing and PermGen deprecation handling

---
 logic/settings/PassthroughSetting.h | 45 +++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 logic/settings/PassthroughSetting.h

(limited to 'logic/settings/PassthroughSetting.h')

diff --git a/logic/settings/PassthroughSetting.h b/logic/settings/PassthroughSetting.h
new file mode 100644
index 00000000..c4dc646c
--- /dev/null
+++ b/logic/settings/PassthroughSetting.h
@@ -0,0 +1,45 @@
+/* Copyright 2013-2015 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QObject>
+#include <memory>
+
+#include "Setting.h"
+
+/*!
+ * \brief A setting that 'overrides another.' based on the value of a 'gate' setting
+ * If 'gate' evaluates to true, the override stores and returns data
+ * If 'gate' evaluates to false, the original does,
+ */
+class PassthroughSetting : public Setting
+{
+	Q_OBJECT
+public:
+	explicit PassthroughSetting(std::shared_ptr<Setting> overriden, std::shared_ptr<Setting> gate);
+
+	virtual QVariant defValue() const;
+	virtual QVariant get() const;
+	virtual void set (QVariant value);
+	virtual void reset();
+
+private:
+	bool isOverriding() const;
+
+protected:
+	std::shared_ptr<Setting> m_other;
+	std::shared_ptr<Setting> m_gate;
+};
-- 
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