From 1677e3d105bc03e06a9a4ccd8a5342704f749193 Mon Sep 17 00:00:00 2001
From: Ladislav Michl <ladis@linux-mips.org>
Date: Sun, 21 Jan 2024 19:17:04 +0100
Subject: [PATCH] Base: Remove StopWatch

StopWatch is now used on single place only, remove it in favour of TimeElapsed
---
 src/Base/Tools.cpp    | 60 -------------------------------------------
 src/Base/Tools.h      | 23 -----------------
 src/Gui/AutoSaver.cpp |  7 +++--
 3 files changed, 3 insertions(+), 87 deletions(-)

diff --git a/src/Base/Tools.cpp b/src/Base/Tools.cpp
index 6875fa8f4f..b164164489 100644
--- a/src/Base/Tools.cpp
+++ b/src/Base/Tools.cpp
@@ -27,7 +27,6 @@
 #include <locale>
 #include <iostream>
 #include <QDateTime>
-#include <QElapsedTimer>
 #endif
 
 #include "PyExport.h"
@@ -373,62 +372,3 @@ std::string Base::Tools::currentDateTimeString()
         .toString(Qt::ISODate)
         .toStdString();
 }
-
-// ----------------------------------------------------------------------------
-
-using namespace Base;
-
-struct StopWatch::Private
-{
-    QElapsedTimer t;
-};
-
-StopWatch::StopWatch()
-    : d(new Private)
-{}
-
-StopWatch::~StopWatch()
-{
-    delete d;
-}
-
-void StopWatch::start()
-{
-    d->t.start();
-}
-
-int StopWatch::restart()
-{
-    return d->t.restart();
-}
-
-int StopWatch::elapsed()
-{
-    return d->t.elapsed();
-}
-
-std::string StopWatch::toString(int ms) const
-{
-    int total = ms;
-    int msec = total % 1000;
-    total = total / 1000;
-    int secs = total % 60;
-    total = total / 60;
-    int mins = total % 60;
-    int hour = total / 60;
-    std::stringstream str;
-    str << "Needed time: ";
-    if (hour > 0) {
-        str << hour << "h " << mins << "m " << secs << "s";
-    }
-    else if (mins > 0) {
-        str << mins << "m " << secs << "s";
-    }
-    else if (secs > 0) {
-        str << secs << "s";
-    }
-    else {
-        str << msec << "ms";
-    }
-    return str.str();
-}
diff --git a/src/Base/Tools.h b/src/Base/Tools.h
index d45777c962..b17907bbc4 100644
--- a/src/Base/Tools.h
+++ b/src/Base/Tools.h
@@ -145,29 +145,6 @@ inline T fmod(T numerator, T denominator)
 
 // ----------------------------------------------------------------------------
 
-class BaseExport StopWatch
-{
-public:
-    StopWatch();
-    ~StopWatch();
-
-    void start();
-    int restart();
-    int elapsed();
-    std::string toString(int ms) const;
-
-    StopWatch(const StopWatch&) = delete;
-    StopWatch(StopWatch&&) = delete;
-    StopWatch& operator=(const StopWatch&) = delete;
-    StopWatch& operator=(StopWatch&&) = delete;
-
-private:
-    struct Private;
-    Private* d;
-};
-
-// ----------------------------------------------------------------------------
-
 // NOLINTBEGIN
 template<typename Flag = bool>
 struct FlagToggler
diff --git a/src/Gui/AutoSaver.cpp b/src/Gui/AutoSaver.cpp
index 9e89ab081b..8ff9a9013f 100644
--- a/src/Gui/AutoSaver.cpp
+++ b/src/Gui/AutoSaver.cpp
@@ -38,6 +38,7 @@
 #include <Base/Console.h>
 #include <Base/FileInfo.h>
 #include <Base/Stream.h>
+#include <Base/TimeInfo.h>
 #include <Base/Tools.h>
 #include <Base/Writer.h>
 
@@ -171,9 +172,8 @@ void AutoSaver::saveDocument(const std::string& name, AutoSaveProperty& saver)
         getMainWindow()->showMessage(tr("Please wait until the AutoRecovery file has been saved..."), 5000);
         //qApp->processEvents();
 
+        Base::TimeElapsed startTime;
         // open extra scope to close ZipWriter properly
-        Base::StopWatch watch;
-        watch.start();
         {
             if (!this->compressed) {
                 RecoveryWriter writer(saver);
@@ -220,8 +220,7 @@ void AutoSaver::saveDocument(const std::string& name, AutoSaveProperty& saver)
             }
         }
 
-        std::string str = watch.toString(watch.elapsed());
-        Base::Console().Log("Save AutoRecovery file: %s\n", str.c_str());
+        Base::Console().Log("Save AutoRecovery file in %fs\n", Base::TimeElapsed::diffTimeF(startTime,Base::TimeElapsed()));
         hGrp->SetBool("SaveThumbnail",save);
     }
 }