Reorganize logic code.

logic/java/JavaChecker.h

@@ -0,0 +1,42 @@
+#pragma once
+#include <QProcess>
+#include <QTimer>
+#include <memory>
+
+class JavaChecker;
+
+
+struct JavaCheckResult
+{
+	QString path;
+	QString mojangPlatform;
+	QString realPlatform;
+	QString javaVersion;
+	bool valid = false;
+	bool is_64bit = false;
+	int id;
+};
+
+typedef std::shared_ptr<QProcess> QProcessPtr;
+typedef std::shared_ptr<JavaChecker> JavaCheckerPtr;
+class JavaChecker : public QObject
+{
+	Q_OBJECT
+public:
+	explicit JavaChecker(QObject *parent = 0);
+	void performCheck();
+
+	QString path;
+	int id;
+
+signals:
+	void checkFinished(JavaCheckResult result);
+private:
+	QProcessPtr process;
+	QTimer killTimer;
+public
+slots:
+	void timeout();
+	void finished(int exitcode, QProcess::ExitStatus);
+	void error(QProcess::ProcessError);
+};