Add a summary to ProgressDialog

Show how many files we have, and display the transfer rate in Megabytes
per second. Can't believe that it worked right from the start :)

1 files changed, 12 insertions, 0 deletions

diff --git a/filecopier.cpp b/filecopier.cpp
index e652339..001b317 100644
--- a/filecopier.cpp
+++ b/filecopier.cpp
@@ -1,5 +1,6 @@
 #include <QMutexLocker>
 #include <QFile>
+#include <QElapsedTimer>
 
 #include "filecopier.h"
 
@@ -21,6 +22,7 @@ void FileCopier::run(){
     int bufsize = 16 * 1024 * 1024;
     char *buf = new char[bufsize];
     mCancel = false;
+    QElapsedTimer et;
     while(!mJobs.isEmpty()){
         mAddJobMutex.lock();
         auto first = mJobs.constBegin();
@@ -39,6 +41,9 @@ void FileCopier::run(){
         emit newFile(source, dest, sFile.size());
         int read = 0;
         qint64 total = 0;
+        qint64 elapsed = 0;
+        qint64 bytesSinceEl = 0;
+        et.start();
         while(!sFile.atEnd()){
             mCancelMutex.lock();
             bool cancel = mCancel;
@@ -51,6 +56,13 @@ void FileCopier::run(){
             read = sFile.read(buf, bufsize);
             dFile.write(buf, read);
             total += read;
+            bytesSinceEl += read;
+            elapsed += et.restart();
+            if(elapsed > 5000){ //5 seconds
+                emit bytesReadIntval(bytesSinceEl, elapsed);
+                elapsed = 0;
+                bytesSinceEl = 0;
+            }
             emit bytesRead(total);
         }
         emit success(true, source);