Call: Use signal slots uniformly for calling.

Util/LocalFile.cpp

@@ -1,13 +1,17 @@
-#include "LocalFile.h"
+#include "LocalFile.h"
 
 #include <QDateTime>
 #include <QDir>
 #include <QFileInfo>
 
+LocalFile::LocalFile(QObject* parent) : DirFileHelper(parent)
+{
+}
+
 bool LocalFile::GetHome()
 {
     auto home = Util::GetUserHome();
-    pathCall_(home);
+    emit sigHome(home);
     return true;
 }
 
@@ -17,7 +21,7 @@ bool LocalFile::GetDirFile(const QString& dir)
     if (!GetDirFile(dir, vec)) {
         return false;
     }
-    fileCall_(vec);
+    emit sigDirFile(vec);
     return true;
 }
 

Util/LocalFile.h

@@ -1,4 +1,4 @@
-#ifndef LOCALFILE_H
+#ifndef LOCALFILE_H
 #define LOCALFILE_H
 
 #include <InfoDirFile.h>
@@ -8,7 +8,7 @@
 class LocalFile : public DirFileHelper
 {
 public:
-    LocalFile() = default;
+    LocalFile(QObject* parent = nullptr);
     ~LocalFile() override = default;
 
 public:

Util/Util.cpp

@@ -109,12 +109,7 @@ QString DirFileHelper::GetErr() const
     return QString();
 }
 
-void DirFileHelper::registerPathCall(const std::function<void(const QString& path)>& call)
+DirFileHelper::DirFileHelper(QObject* parent) : QObject(parent)
 {
-    pathCall_ = call;
-}
 
-void DirFileHelper::registerFileCall(const std::function<void(const DirFileInfoVec& vec)>& call)
-{
-    fileCall_ = call;
-}
+}

Util/Util.h

@@ -22,18 +22,18 @@ class DirFileHelper : public QObject
 {
     Q_OBJECT
 public:
-    DirFileHelper() = default;
+    DirFileHelper(QObject* parent = nullptr);
     virtual ~DirFileHelper() = default;
 
 public:
     QString GetErr() const;
-    void registerPathCall(const std::function<void(const QString& path)>& call);
-    void registerFileCall(const std::function<void(const DirFileInfoVec& vec)>& call);
+
+signals:
+    void sigHome(const QString& path);
+    void sigDirFile(const DirFileInfoVec& dirFile);
 
 protected:
     QString err_;
-    std::function<void(const QString& path)> pathCall_;
-    std::function<void(const DirFileInfoVec& info)> fileCall_;
 
 public:
     virtual bool GetHome() = 0;