glodata: add global struct data.

Util/Util.cpp

@@ -127,4 +127,32 @@ QString DirFileHelper::GetErr() const
 
 DirFileHelper::DirFileHelper(QObject* parent) : QObject(parent)
 {
+}
+
+GlobalData* GlobalData::Ins()
+{
+    static GlobalData instance;
+    return &instance;
+}
+
+void GlobalData::SetLocalRoot(const QString& root)
+{
+    QMutexLocker locker(&mutex_);
+	LocalRoot_ = root;
+}
+
+void GlobalData::SetRemoteRoot(const QString& root)
+{
+    QMutexLocker locker(&mutex_);
+	RemoteRoot_ = root;
+}
+
+QString GlobalData::GetLocalRoot() const
+{
+    return LocalRoot_;
+}
+
+QString GlobalData::GetRemoteRoot() const
+{
+    return RemoteRoot_;
 }

Util/Util.h

@@ -2,8 +2,30 @@
 #define UTIL_H
 
 #include <InfoDirFile.h>
+#include <QMutex>
 #include <QObject>
 
+class GlobalData
+{
+public:
+    static GlobalData* Ins();
+    ~GlobalData() = default;
+
+public:
+    void SetLocalRoot(const QString& root);
+    void SetRemoteRoot(const QString& root);
+    QString GetLocalRoot() const;
+    QString GetRemoteRoot() const;
+
+private:
+    GlobalData() = default;
+
+public:
+    QMutex mutex_;
+    QString LocalRoot_;
+    QString RemoteRoot_;
+};
+
 class Util : public QObject
 {
     Q_OBJECT